Update the CI/CD configuration to build the image.

Map.put_new don't update nil value, because the key exists.

.drone.yml

@@ -24,6 +24,20 @@ steps:
     commands:
       - mix test
 
+  - name: build the image
+    image: plugins/kaniko
+    settings:
+      username: kklochko
+      password:
+        from_secret: REGISTRY_PASSWORD
+      repo: git.kklochko.space/kklochko/decentralised_book_index
+      registry: git.kklochko.space
+      tags:
+        - latest
+        - ${DRONE_TAG}
+    when:
+      event: tag
+
 volumes:
 - name: mix
   temp: {}

config/config.exs

@@ -12,7 +12,8 @@ config :decentralised_book_index, Oban,
   repo: DecentralisedBookIndex.Repo,
   queues: [default: 14],
   plugins: [
-    Oban.Plugins.Pruner,
+    # A job will be pruned after 7 days.
+    {Oban.Plugins.Pruner, max_age: 7*24*60*60},
     {Oban.Plugins.Cron,
      crontab: [
       {"@daily", DecentralisedBookIndex.SyncWorker},

lib/decentralised_book_index/metadata.ex

@@ -6,7 +6,7 @@ defmodule DecentralisedBookIndex.Metadata do
   json_api do
     routes do
       base_route "/books", Metadata.Book do
-        get :read
+        get :by_id
         index :search
 
         related :bids, :read, primary?: true
@@ -15,17 +15,17 @@ defmodule DecentralisedBookIndex.Metadata do
       end
 
       base_route "/authors", Metadata.Author do
-        get :read
+        get :by_id
         index :search
       end
 
       base_route "/publishers", Metadata.Publisher do
-        get :read
+        get :by_id
         index :search
       end
 
       base_route "/servers", Metadata.DBIServer do
-        get :read
+        get :by_id
         index :search
       end
     end

lib/decentralised_book_index/metadata/author.ex

@@ -25,12 +25,16 @@ defmodule DecentralisedBookIndex.Metadata.Author do
     end
   end
 
+  resource do
+    description "An author's metadata."
+  end
+
   actions do
     defaults [:read, :destroy]
 
     create :create do
       primary? true
-      accept [:name, :description, :avatar_url, :author_alias_registry_id]
+      accept [:name, :description, :avatar_url, :author_alias_registry_id, :dbi_server_id]
 
       change fn changeset, context ->
         actor = Map.get(context, :actor, nil)
@@ -100,6 +104,7 @@ defmodule DecentralisedBookIndex.Metadata.Author do
     end
 
     read :by_id do
+      description "Return the Author by its id."
       argument :id, :uuid, allow_nil?: false
       get? true
       filter expr(id == ^arg(:id))
@@ -136,7 +141,10 @@ defmodule DecentralisedBookIndex.Metadata.Author do
     end
 
     read :search do
+      description "Return a list of Authors, optionally filtering by name."
+
       argument :name, :ci_string do
+        description "Return Authors, which names includes the name."
         constraints allow_empty?: true
         default ""
       end

lib/decentralised_book_index/metadata/author_role.ex

@@ -21,8 +21,12 @@ defmodule DecentralisedBookIndex.Metadata.AuthorRole do
     end
   end
 
+  resource do
+    description "A metadata of an author's role."
+  end
+
   actions do
-    defaults [:read, :destroy]
+    defaults [:destroy]
 
     create :create do
       primary? true
@@ -43,13 +47,20 @@ defmodule DecentralisedBookIndex.Metadata.AuthorRole do
       end
     end
 
+    read :read do
+      description "Return a list of AuthorRoles."
+      primary? true
+    end
+
     read :by_id do
+      description "Return the AuthorRole by its id."
       argument :id, :uuid, allow_nil?: false
       get? true
       filter expr(id == ^arg(:id))
     end
 
     read :by_book_id do
+      description "Return the AuthorRole by its BookId."
       argument :book_id, :uuid, allow_nil?: false
       filter expr(book_id == ^arg(:book_id))
     end

lib/decentralised_book_index/metadata/book.ex

@@ -25,6 +25,10 @@ defmodule DecentralisedBookIndex.Metadata.Book do
     end
   end
 
+  resource do
+    description "A book's metadata."
+  end
+
   actions do
     defaults [:read, :destroy]
 
@@ -142,6 +146,7 @@ defmodule DecentralisedBookIndex.Metadata.Book do
     end
 
     read :by_id do
+      description "Return the Book by its id."
       argument :id, :uuid, allow_nil?: false
       get? true
       filter expr(id == ^arg(:id))
@@ -182,7 +187,10 @@ defmodule DecentralisedBookIndex.Metadata.Book do
     end
 
     read :search do
+      description "Return a list of Books, optionally filtering by title."
+
       argument :query, :ci_string do
+        description "Return Books, which titles includes the query."
         constraints allow_empty?: true
         default ""
       end
@@ -193,6 +201,8 @@ defmodule DecentralisedBookIndex.Metadata.Book do
     end
 
     read :search_by_bid do
+      description "Return a list of Books, optionally filtering by BookId."
+
       argument :type, :string, allow_nil?: false
       argument :bid, :string, allow_nil?: false
 

lib/decentralised_book_index/metadata/book_id.ex

@@ -26,8 +26,12 @@ defmodule DecentralisedBookIndex.Metadata.BookId do
     end
   end
 
+  resource do
+    description "A book's identifier."
+  end
+
   actions do
-    defaults [:read, :destroy]
+    defaults [:destroy]
 
     create :create do
       primary? true
@@ -39,7 +43,13 @@ defmodule DecentralisedBookIndex.Metadata.BookId do
       accept [:id, :type, :bid, :order]
     end
 
+    read :read do
+      description "Return a list of BookIds."
+      primary? true
+    end
+
     read :by_id do
+      description "Return the BookId by its id."
       argument :id, :uuid, allow_nil?: false
       get? true
       filter expr(id == ^arg(:id))

lib/decentralised_book_index/metadata/dbi_server.ex

@@ -21,12 +21,16 @@ defmodule DecentralisedBookIndex.Metadata.DBIServer do
     end
   end
 
+  resource do
+    description "An DBIServer's metadata."
+  end
+
   actions do
     defaults [:read, :destroy]
 
     create :create do
       primary? true
-      accept [:name, :url, :sync_on?]
+      accept [:name, :url, :sync_on?, :dbi_server_id]
     end
 
     create :sync_create do
@@ -43,13 +47,17 @@ defmodule DecentralisedBookIndex.Metadata.DBIServer do
     end
 
     read :by_id do
+      description "Return the DBIServer by its id."
       argument :id, :uuid, allow_nil?: false
       get? true
       filter expr(id == ^arg(:id))
     end
 
     read :search do
+      description "Return a list of DBIServers, optionally filtering by name."
+
       argument :name, :ci_string do
+        description "Return DBIServers, which names includes the name."
         constraints allow_empty?: true
         default ""
       end
@@ -95,7 +103,9 @@ defmodule DecentralisedBookIndex.Metadata.DBIServer do
   end
 
   relationships do
-    belongs_to :dbi_server, Metadata.DBIServer
+    belongs_to :dbi_server, Metadata.DBIServer do
+      public? true
+    end
 
     has_many :author, Metadata.Author
     has_many :author_alias_registries, Metadata.AuthorAliasRegistry

lib/decentralised_book_index/metadata/publisher.ex

@@ -22,26 +22,39 @@ defmodule DecentralisedBookIndex.Metadata.Publisher do
     end
   end
 
+  resource do
+    description "An publisher's metadata."
+  end
+
   actions do
-    defaults [:read, :destroy]
+    defaults [:destroy]
 
     create :create do
       primary? true
-      accept [:name]
+      accept [:name, :dbi_server_id]
     end
 
     create :sync_create do
       accept [:id, :name, :inserted_at, :updated_at, :dbi_server_id]
     end
 
+    read :read do
+      description "Return a list of Publishers."
+      primary? true
+    end
+
     read :by_id do
+      description "Return the Publisher by its id."
       argument :id, :uuid, allow_nil?: false
       get? true
       filter expr(id == ^arg(:id))
     end
 
     read :search do
+      description "Return a list of Publishers, optionally filtering by name."
+
       argument :name, :ci_string do
+        description "Return Publishers, which names includes the name."
         constraints allow_empty?: true
         default ""
       end

lib/decentralised_book_index/sync/data_transformers/author_transformer.ex

@@ -20,6 +20,10 @@ defmodule DecentralisedBookIndex.Sync.DataTransformers.AuthorTransformer do
         dbi_server_id: get_in(json_body, ["attributes", "dbi_server_id"])
       }
 
-    {:ok, attrs}
+    if is_nil(attrs[:dbi_server_id]) do
+      {:ok, attrs |> Map.delete(:dbi_server_id)}
+    else
+      {:ok, attrs}
+    end
   end
 end

lib/decentralised_book_index/sync/data_transformers/book_transformer.ex

@@ -26,6 +26,10 @@ defmodule DecentralisedBookIndex.Sync.DataTransformers.BookTransformer do
         dbi_server_id: get_in(json_body, ["attributes", "dbi_server_id"])
       }
 
-    {:ok, attrs}
+    if is_nil(attrs[:dbi_server_id]) do
+      {:ok, attrs |> Map.delete(:dbi_server_id)}
+    else
+      {:ok, attrs}
+    end
   end
 end

lib/decentralised_book_index/sync/data_transformers/dbi_server_transformer.ex

@@ -13,9 +13,15 @@ defmodule DecentralisedBookIndex.Sync.DataTransformers.DBIServerTransformer do
         name: get_in(json_body, ["attributes", "name"]),
         url: get_in(json_body, ["attributes", "url"]),
         inserted_at: get_in(json_body, ["attributes", "inserted_at"]),
-        updated_at: get_in(json_body, ["attributes", "updated_at"])
+        updated_at: get_in(json_body, ["attributes", "updated_at"]),
+        # relationship
+        dbi_server_id: get_in(json_body, ["attributes", "dbi_server_id"])
       }
 
-    {:ok, attrs}
+    if is_nil(attrs[:dbi_server_id]) do
+      {:ok, attrs |> Map.delete(:dbi_server_id)}
+    else
+      {:ok, attrs}
+    end
   end
 end

lib/decentralised_book_index/sync/data_transformers/publisher_transformer.ex

@@ -17,6 +17,10 @@ defmodule DecentralisedBookIndex.Sync.DataTransformers.PublisherTransformer do
         dbi_server_id: get_in(json_body, ["attributes", "dbi_server_id"])
       }
 
-    {:ok, attrs}
+    if is_nil(attrs[:dbi_server_id]) do
+      {:ok, attrs |> Map.delete(:dbi_server_id)}
+    else
+      {:ok, attrs}
+    end
   end
 end

lib/decentralised_book_index_web/components/my_components/pagination.ex

@@ -11,48 +11,58 @@ defmodule DecentralisedBookIndexWeb.Components.MyComponents.Pagination do
     assigns = assign(assigns, :current_page_number, get_current_page(assigns.page))
 
     ~H"""
-    <nav aria-label="Page navigation example" class="flex justify-center">
+    <%= if AshPhoenix.LiveView.prev_page?(@page) or AshPhoenix.LiveView.next_page?(@page) do %>
-      <ul class="inline-flex -space-x-px text-base h-10 mx-auto">
+      <nav aria-label="Page navigation example" class="flex justify-center">
-        <li class="pl-auto">
+        <ul class="inline-flex -space-x-px text-base h-10 mx-auto">
-          <.button_link
+          <li class="pl-auto">
-            data-role="previous-page"
+            <.button_link
-            kind="primary"
+              data-role="previous-page"
-            inverse
+              kind="primary"
-            patch={"#{@endpoint}?#{page_params_which(@page, @params, "prev")}"}
+              inverse
-            class="flex items-center justify-center px-4 h-10 ms-0 leading-tight text-gray-500 bg-white border border-e-0 border-gray-300 rounded-s-lg hover:bg-gray-100 hover:text-gray-700 dark:bg-gray-800 dark:border-gray-700 dark:text-gray-400 dark:hover:bg-gray-700 dark:hover:text-white"
+              patch={"#{@endpoint}?#{page_params_which(@page, @params, "prev")}"}
-            disabled={!AshPhoenix.LiveView.prev_page?(@page)}
+              class="flex items-center justify-center px-4 h-10 ms-0 leading-tight text-gray-500 bg-white border border-e-0 border-gray-300 rounded-s-lg hover:bg-gray-100 hover:text-gray-700 dark:bg-gray-800 dark:border-gray-700 dark:text-gray-400 dark:hover:bg-gray-700 dark:hover:text-white"
-          >
+              disabled={!AshPhoenix.LiveView.prev_page?(@page)}
-            Previous
+            >
-          </.button_link>
+              Previous
-        </li>
+            </.button_link>
-        <%= for number <- get_page_numbers(@page) do %>
+          </li>
-          <%= if number == @current_page_number do %>
+          <%= for number <- get_page_numbers(@page) do %>
-            <li>
+            <%= if number == @current_page_number do %>
-              <a href={"#{@endpoint}?#{page_params_number(@page_params, @params, number)}"}
+              <li>
-                 aria-current="page"
+                <a
-                 class="flex items-center justify-center px-4 h-10 text-blue-600 border border-gray-300 bg-blue-50 hover:bg-blue-100 hover:text-blue-700 dark:border-gray-700 dark:bg-gray-700 dark:text-white">{number}</a>
+                  href={"#{@endpoint}?#{page_params_number(@page_params, @params, number)}"}
-            </li>
+                  aria-current="page"
-          <% else %>
+                  class="flex items-center justify-center px-4 h-10 text-blue-600 border border-gray-300 bg-blue-50 hover:bg-blue-100 hover:text-blue-700 dark:border-gray-700 dark:bg-gray-700 dark:text-white"
-            <li>
+                >
-              <a href={"#{@endpoint}?#{page_params_number(@page_params, @params, number)}"}
+                  {number}
-                 class="flex items-center justify-center px-4 h-10 leading-tight text-gray-500 bg-white border border-gray-300 hover:bg-gray-100 hover:text-gray-700 dark:bg-gray-800 dark:border-gray-700 dark:text-gray-400 dark:hover:bg-gray-700 dark:hover:text-white">{number}</a>
+                </a>
-            </li>
+              </li>
+            <% else %>
+              <li>
+                <a
+                  href={"#{@endpoint}?#{page_params_number(@page_params, @params, number)}"}
+                  class="flex items-center justify-center px-4 h-10 leading-tight text-gray-500 bg-white border border-gray-300 hover:bg-gray-100 hover:text-gray-700 dark:bg-gray-800 dark:border-gray-700 dark:text-gray-400 dark:hover:bg-gray-700 dark:hover:text-white"
+                >
+                  {number}
+                </a>
+              </li>
+            <% end %>
           <% end %>
-        <% end %>
+          <li>
-        <li>
+            <.button_link
-          <.button_link
+              data-role="next-page"
-            data-role="next-page"
+              kind="primary"
-            kind="primary"
+              inverse
-            inverse
+              patch={"#{@endpoint}?#{page_params_which(@page, @params, "next")}"}
-            patch={"#{@endpoint}?#{page_params_which(@page, @params, "next")}"}
+              class="flex items-center justify-center px-4 h-10 leading-tight text-gray-500 bg-white border border-gray-300 rounded-e-lg hover:bg-gray-100 hover:text-gray-700 dark:bg-gray-800 dark:border-gray-700 dark:text-gray-400 dark:hover:bg-gray-700 dark:hover:text-white"
-            class="flex items-center justify-center px-4 h-10 leading-tight text-gray-500 bg-white border border-gray-300 rounded-e-lg hover:bg-gray-100 hover:text-gray-700 dark:bg-gray-800 dark:border-gray-700 dark:text-gray-400 dark:hover:bg-gray-700 dark:hover:text-white"
+              disabled={!AshPhoenix.LiveView.next_page?(@page)}
-            disabled={!AshPhoenix.LiveView.next_page?(@page)}
+            >
-          >
+              Next
-            Next
+            </.button_link>
-          </.button_link>
+          </li>
-        </li>
+        </ul>
-      </ul>
+      </nav>
-    </nav>
+      <% end %>
     """
   end
 

lib/decentralised_book_index_web/components/my_components/search_resources.ex

@@ -64,7 +64,7 @@ defmodule DecentralisedBookIndexWeb.Components.MyComponents.SearchResources do
 
   defp can_add?(current_user, role) do
     case role do
-      :admin -> current_user != nil and Role.can_moderate?(current_user.role)
+      :admin -> current_user != nil and Role.can_administrate?(current_user.role)
       :moderator -> current_user != nil and Role.can_moderate?(current_user.role)
       _ -> false
     end

lib/decentralised_book_index_web/components/my_components/selected_author.ex

@@ -20,8 +20,6 @@ defmodule DecentralisedBookIndexWeb.Components.MyComponents.SelectedAuthor do
 
     errors =
       if Phoenix.Component.used_input?(assigns.author_form), do: assigns.author_form.errors, else: []
-    IO.inspect("errors")
-    IO.inspect(errors)
 
     assigns =
       assigns

lib/decentralised_book_index_web/components/my_partials/footer.ex

@@ -9,6 +9,9 @@ defmodule DecentralisedBookIndexWeb.Components.MyPartials.Footer do
         <span class="block text-sm text-gray-500 text-center dark:text-gray-400">
           © 2025 Kostiantyn Klochko. All Rights Reserved.
         </span>
+        <span class="block text-sm text-gray-500 text-center dark:text-gray-400">
+          <a href="https://git.kklochko.space/KKlochko/decentralised_book_index">Decentralised book index</a> is free software: you can redistribute it and/or modify it under the terms of <a href="https://www.gnu.org/licenses/agpl-3.0.en.html">the GNU Affero General Public License</a> as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+        </span>
       </div>
     </footer>
     """

lib/decentralised_book_index_web/components/my_partials/navbar.ex

@@ -106,7 +106,7 @@ defmodule DecentralisedBookIndexWeb.Components.MyPartials.Navbar do
                 </a>
               </li>
             <% end %>
-            <%= if @current_user != nil and Role.can_administrate?(@current_user.role) do %>
+            <%= if @current_user != nil and Role.can_moderate?(@current_user.role) do %>
               <li>
                 <a
                   href={~p"/servers/"}

lib/decentralised_book_index_web/live/author_live/form_component.ex

@@ -158,9 +158,6 @@ defmodule DecentralisedBookIndexWeb.AuthorLive.FormComponent do
   end
 
   def handle_event("select-author-alias", %{"author-alias" => author_alias_id}, socket) do
-    IO.inspect("book_editions_registry_id")
-    IO.inspect(author_alias_id)
-
     socket =
       socket
       |> update(:form, fn form ->

lib/decentralised_book_index_web/live/author_live/show.ex

@@ -57,6 +57,25 @@ defmodule DecentralisedBookIndexWeb.AuthorLive.Show do
         <p class="text-gray-300 leading-relaxed">
           {@author.description}
         </p>
+
+        <%= if not is_nil(@author.dbi_server) do %>
+          <dl>
+            <dt class="mt-4 mb-2 font-semibold leading-none text-gray-900 dark:text-white">
+              From Server
+            </dt>
+            <dd class="mb-4 font-light text-gray-500 sm:mb-5 dark:text-gray-400">
+              <%= if @current_user != nil and Role.can_moderate?(@current_user.role) do %>
+                <.link navigate={~p"/servers/#{@author.dbi_server.id}/"} class="hover:underline">
+                  {@author.dbi_server.name}
+                </.link>
+              <% else %>
+                <.link navigate={@author.dbi_server.url} class="hover:underline">
+                  {@author.dbi_server.name}
+                </.link>
+              <% end %>
+            </dd>
+          </dl>
+        <% end %>
       </div>
     </div>
 

lib/decentralised_book_index_web/live/book_live/show.ex

@@ -74,6 +74,22 @@ defmodule DecentralisedBookIndexWeb.BookLive.Show do
           <dd class="mb-4 font-light text-gray-500 sm:mb-5 dark:text-gray-400">{bid.type}: {bid.bid}</dd>
         <% end %>
       </dl>
+      <%= if not is_nil(@book.dbi_server) do %>
+        <dl>
+          <dt class="mb-2 font-semibold leading-none text-gray-900 dark:text-white">From Server</dt>
+          <dd class="mb-4 font-light text-gray-500 sm:mb-5 dark:text-gray-400">
+            <%= if @current_user != nil and Role.can_moderate?(@current_user.role) do %>
+              <.link navigate={~p"/servers/#{@book.dbi_server.id}/"} class="hover:underline">
+                {@book.dbi_server.name}
+              </.link>
+            <% else %>
+              <.link navigate={@book.dbi_server.url} class="hover:underline">
+                {@book.dbi_server.name}
+              </.link>
+            <% end %>
+          </dd>
+        </dl>
+      <% end %>
     </div>
 
     <%= if not Enum.empty?(@alternative_editions) do %>

lib/decentralised_book_index_web/live/dbi_server_live/form_component.ex

@@ -20,7 +20,7 @@ defmodule DecentralisedBookIndexWeb.DbiServerLive.FormComponent do
           <.input field={@form[:name]} type="text" label="Name" />
           <.input field={@form[:url]} type="text" label="Url" />
         <% end %>
-        <%= if @form.source.type == :update and is_nil(@form[:dbi_server].value) do %>
+        <%= if @form.source.type == :update and is_nil(@form[:dbi_server_id].value) do %>
           <.input field={@form[:name]} type="text" label="Name" />
           <.input field={@form[:url]} type="text" label="Url" />
         <% end %>
@@ -61,7 +61,7 @@ defmodule DecentralisedBookIndexWeb.DbiServerLive.FormComponent do
         socket =
           socket
           |> put_flash(:info, "Server #{socket.assigns.form.source.type}d successfully")
-          |> push_navigate(to: patch_url(socket.assigns.action, dbi_server.id))
+          |> redirect(to: patch_url(socket.assigns.action, dbi_server.id))
 
         {:noreply, socket}
 

lib/decentralised_book_index_web/live/dbi_server_live/index.ex

@@ -4,26 +4,30 @@ defmodule DecentralisedBookIndexWeb.DbiServerLive.Index do
   alias DecentralisedBookIndex.Metadata
   alias DecentralisedBookIndex.SyncTasks.SyncServerTask
 
+  alias DecentralisedBookIndex.Accounts.Role
+
   @impl true
   def render(assigns) do
     ~H"""
     <.header>
       Listing Servers
       <:actions>
-        <div class="flex flex-row gap-2">
+        <%= if @current_user != nil and Role.can_administrate?(@current_user.role) do %>
           <div class="flex flex-row gap-2">
-            <.primary_button phx-click="sync">
+            <div class="flex flex-row gap-2">
-              Sync now
+              <.primary_button phx-click="sync">
-            </.primary_button>
+                Sync now
-          </div>
-          <div class="flex flex-row gap-2">
-            <.link patch={~p"/oban"}>
-              <.primary_button>
-                Task dashboard
               </.primary_button>
-            </.link>
+            </div>
+            <div class="flex flex-row gap-2">
+              <.link patch={~p"/oban"}>
+                <.primary_button>
+                  Task dashboard
+                </.primary_button>
+              </.link>
+            </div>
           </div>
-        </div>
+        <% end %>
       </:actions>
     </.header>
 
@@ -63,7 +67,9 @@ defmodule DecentralisedBookIndexWeb.DbiServerLive.Index do
               <.link navigate={~p"/servers/#{dbi_server}"}>Show</.link>
             </div>
 
-            <.link patch={~p"/servers/#{dbi_server}/edit"}>Edit</.link>
+            <%= if @current_user != nil and Role.can_administrate?(@current_user.role) do %>
+              <.link patch={~p"/servers/#{dbi_server}/edit"}>Edit</.link>
+            <% end %>
           </:action>
         </.table>
 

lib/decentralised_book_index_web/live/dbi_server_live/show.ex

@@ -1,6 +1,8 @@
 defmodule DecentralisedBookIndexWeb.DbiServerLive.Show do
   use DecentralisedBookIndexWeb, :live_view
 
+  alias DecentralisedBookIndex.Accounts.Role
+
   @impl true
   def render(assigns) do
     ~H"""
@@ -8,7 +10,7 @@ defmodule DecentralisedBookIndexWeb.DbiServerLive.Show do
       {@dbi_server.name}
 
       <:actions>
-        <%= if is_nil(@dbi_server.dbi_server) do %>
+        <%= if is_nil(@dbi_server.dbi_server) and @current_user != nil and Role.can_administrate?(@current_user.role) do %>
           <.link patch={~p"/servers/#{@dbi_server}/edit"} phx-click={JS.push_focus()}>
             <.edit_button>
               Edit
@@ -18,7 +20,6 @@ defmodule DecentralisedBookIndexWeb.DbiServerLive.Show do
       </:actions>
     </.header>
 
-
     <div>
       <dl>
         <dt class="mb-2 font-semibold leading-none text-gray-900 dark:text-white">Url</dt>
@@ -28,6 +29,16 @@ defmodule DecentralisedBookIndexWeb.DbiServerLive.Show do
         <dt class="mb-2 font-semibold leading-none text-gray-900 dark:text-white">Sync on?</dt>
         <dd class="mb-4 font-light text-gray-500 sm:mb-5 dark:text-gray-400">{@dbi_server.sync_on?}</dd>
       </dl>
+      <%= if not is_nil(@dbi_server.dbi_server) do %>
+        <dl>
+          <dt class="mb-2 font-semibold leading-none text-gray-900 dark:text-white">From Server</dt>
+          <dd class="mb-4 font-light text-gray-500 sm:mb-5 dark:text-gray-400">
+            <.link navigate={~p"/servers/#{@dbi_server.dbi_server.id}/"} class="hover:underline">
+              {@dbi_server.dbi_server.name}
+            </.link>
+          </dd>
+        </dl>
+      <% end %>
     </div>
 
     <.back navigate={~p"/servers"}>Back to servers</.back>

lib/decentralised_book_index_web/live/publisher_live/show.ex

@@ -1,6 +1,8 @@
 defmodule DecentralisedBookIndexWeb.PublisherLive.Show do
   use DecentralisedBookIndexWeb, :live_view
 
+  alias DecentralisedBookIndex.Accounts.Role
+
   @impl true
   def render(assigns) do
     ~H"""
@@ -18,6 +20,27 @@ defmodule DecentralisedBookIndexWeb.PublisherLive.Show do
       </:actions>
     </.header>
 
+    <%= if not is_nil(@publisher.dbi_server) do %>
+      <div>
+        <dl>
+          <dt class="mt-4 mb-2 font-semibold leading-none text-gray-900 dark:text-white">
+            From Server
+          </dt>
+          <dd class="mb-4 font-light text-gray-500 sm:mb-5 dark:text-gray-400">
+            <%= if @current_user != nil and Role.can_moderate?(@current_user.role) do %>
+              <.link navigate={~p"/servers/#{@publisher.dbi_server.id}/"} class="hover:underline">
+                {@publisher.dbi_server.name}
+              </.link>
+            <% else %>
+              <.link navigate={@publisher.dbi_server.url} class="hover:underline">
+                {@publisher.dbi_server.name}
+              </.link>
+            <% end %>
+          </dd>
+        </dl>
+      </div>
+    <% end %>
+
     <.back navigate={~p"/publishers"}>Back to publishers</.back>
     """
   end

lib/decentralised_book_index_web/plugs/require_admin.ex

@@ -13,7 +13,7 @@ defmodule DecentralisedBookIndexWeb.Plugs.RequireAdmin do
       conn
     else
       conn
-      |> put_flash(:error, "Unauthorized")
+      |> put_flash(:error, "Unauthorized!")
       |> redirect(to: "/")
       |> halt()
     end

lib/decentralised_book_index_web/router.ex

@@ -41,6 +41,18 @@ defmodule DecentralisedBookIndexWeb.Router do
   scope "/", DecentralisedBookIndexWeb do
     pipe_through :browser
 
+    ash_authentication_live_session :admin_authenticated_routes,
+      on_mount: {DecentralisedBookIndexWeb.LiveUserAuth, :admin_required} do
+      live "/servers/new", DbiServerLive.Edit, :new
+      live "/servers/:id/edit", DbiServerLive.Edit, :edit
+      #live "/servers", DbiServerLive.Index, :index
+      #live "/servers/:id", DbiServerLive.Show, :show
+
+      live "/users", UserLive.Index, :index
+      live "/users/:id", UserLive.Show, :show
+      live "/users/:id/edit", UserLive.Edit, :edit
+    end
+
     ash_authentication_live_session :moderator_authenticated_routes,
       on_mount: {DecentralisedBookIndexWeb.LiveUserAuth, :moderator_required} do
       live "/books/new", BookLive.Edit, :new
@@ -56,19 +68,9 @@ defmodule DecentralisedBookIndexWeb.Router do
       live "/publishers/:id/edit", PublisherLive.Edit, :edit
 
       live "/publishers/:id", PublisherLive.Show, :show
-    end
 
-    ash_authentication_live_session :admin_authenticated_routes,
-      on_mount: {DecentralisedBookIndexWeb.LiveUserAuth, :admin_required} do
       live "/servers", DbiServerLive.Index, :index
-      live "/servers/new", DbiServerLive.Edit, :new
-      live "/servers/:id/edit", DbiServerLive.Edit, :edit
-
       live "/servers/:id", DbiServerLive.Show, :show
-
-      live "/users", UserLive.Index, :index
-      live "/users/:id", UserLive.Show, :show
-      live "/users/:id/edit", UserLive.Edit, :edit
     end
 
     ash_authentication_live_session :maybe_authenticated_routes,

mix.exs

@@ -4,7 +4,7 @@ defmodule DecentralisedBookIndex.MixProject do
   def project do
     [
       app: :decentralised_book_index,
-      version: "0.1.0",
+      version: "1.0.0",
       elixir: "~> 1.14",
       elixirc_paths: elixirc_paths(Mix.env()),
       start_permanent: Mix.env() == :prod,

test/decentralised_book_index/metadata/author_test.exs

@@ -56,7 +56,7 @@ defmodule DecentralisedBookIndex.Metadata.AuthorTest do
     test "new author has no alternatives names", %{user: user} do
       {:ok, author} = Metadata.create_author("Author", "An description", nil, nil, actor: user)
       assert {:ok, alternatives_names} = Metadata.get_author_alternative_names(author)
-      assert alternatives_names = []
+      assert ^alternatives_names = []
     end
 
     test "author has related author so they has one alternative name", %{user: user} do
@@ -73,7 +73,7 @@ defmodule DecentralisedBookIndex.Metadata.AuthorTest do
         )
 
       assert {:ok, alternatives_names} = Metadata.get_author_alternative_names(author)
-      assert alternatives_names = [related_author]
+      assert get_ids(alternatives_names) == [related_author.id]
     end
   end
 

test/decentralised_book_index/metadata/book_test.exs

@@ -118,7 +118,8 @@ defmodule DecentralisedBookIndex.Metadata.BookTest do
                  bids,
                  author_roles,
                  publisher.id,
-                 nil
+                 nil,
+                 actor: user
                )
     end
   end
@@ -146,7 +147,7 @@ defmodule DecentralisedBookIndex.Metadata.BookTest do
         )
 
       assert {:ok, alternatives_names} = Metadata.get_book_alternative_editions(book)
-      assert alternatives_names = []
+      assert ^alternatives_names = []
     end
 
     test "book has related book so they has one alternative name", %{user: user} do
@@ -187,7 +188,7 @@ defmodule DecentralisedBookIndex.Metadata.BookTest do
         )
 
       assert {:ok, alternatives_names} = Metadata.get_book_alternative_editions(book)
-      assert alternatives_names = [related_book]
+      assert get_ids(alternatives_names) == [related_book.id]
     end
   end
 
@@ -201,7 +202,7 @@ defmodule DecentralisedBookIndex.Metadata.BookTest do
         %{order: 1, author_id: author.id, role: ""}
       ]
 
-      {:ok, book} =
+      {:ok, _book} =
         Metadata.create_book(
           "Book",
           "An description",
@@ -217,7 +218,7 @@ defmodule DecentralisedBookIndex.Metadata.BookTest do
           actor: user
         )
 
-      assert {:ok, books} = Metadata.get_author_books(author)
+      assert {:ok, _books} = Metadata.get_author_books(author)
     end
 
     test "get the list contains aliases' books", %{user: user} do
@@ -256,7 +257,7 @@ defmodule DecentralisedBookIndex.Metadata.BookTest do
   end
 
   describe "get a book by book id" do
-    test "get by bid", %{user: user} do
+    test "get by bid" do
       expected_book = generate(book())
 
       [%Metadata.BookId{type: type, bid: bid} | _] = expected_book.bids

test/decentralised_book_index/metadata/forms/author_form_test.exs

@@ -12,13 +12,8 @@ defmodule DecentralisedBookIndex.Metadata.Forms.AuthorFormTest do
     test "user can't submit" do
       user = generate(user())
 
-      valid_params = %{
-        "name" => "Oleh",
-        "description" => "A cool author"
-      }
-
       assert_raise Ash.Error.Forbidden, fn ->
-        form =
+        _form =
           AshPhoenix.Form.for_create(Metadata.Author, :create,
             as: "author",
             actor: user
@@ -28,12 +23,7 @@ defmodule DecentralisedBookIndex.Metadata.Forms.AuthorFormTest do
     end
 
     test "moderator can submit", %{user: user} do
-      valid_params = %{
+      assert _form =
-        "name" => "Oleh",
-        "description" => "A cool author"
-      }
-
-      assert form =
                AshPhoenix.Form.for_create(Metadata.Author, :create,
                  as: "author",
                  actor: user
@@ -55,7 +45,7 @@ defmodule DecentralisedBookIndex.Metadata.Forms.AuthorFormTest do
           actor: user
         )
 
-      assert {:ok, author} = AshPhoenix.Form.submit(form, params: valid_params)
+      assert {:ok, _author} = AshPhoenix.Form.submit(form, params: valid_params)
     end
   end
 
@@ -74,7 +64,7 @@ defmodule DecentralisedBookIndex.Metadata.Forms.AuthorFormTest do
           actor: user
         )
 
-      assert {:ok, author} = AshPhoenix.Form.submit(form, params: valid_params)
+      assert {:ok, _author} = AshPhoenix.Form.submit(form, params: valid_params)
     end
   end
 end

test/decentralised_book_index/metadata/forms/book_form_test.exs

@@ -4,7 +4,6 @@ defmodule DecentralisedBookIndex.Metadata.Forms.BookFormTest do
   import ExUnitProperties
 
   alias DecentralisedBookIndex.Metadata
-  alias DecentralisedBookIndex.Metadata.Book
 
   setup do
     user = generate(user(role: :moderator))
@@ -14,22 +13,9 @@ defmodule DecentralisedBookIndex.Metadata.Forms.BookFormTest do
   describe "form submiting" do
     test "user can't submit" do
       user = generate(user())
-      bids = bids()
-      author_roles = author_roles()
-
-      valid_params = %{
-        "title" => "Book",
-        "description" => "A cool author",
-        "format" => "Paper",
-        "language" => "English",
-        "page_count" => 600,
-        "published" => ~D[2025-03-06],
-        "author_roles" => author_roles,
-        "bids" => bids
-      }
 
       assert_raise Ash.Error.Forbidden, fn ->
-        form =
+        _form =
           AshPhoenix.Form.for_create(Metadata.Book, :create,
             as: "book",
             actor: user
@@ -39,21 +25,7 @@ defmodule DecentralisedBookIndex.Metadata.Forms.BookFormTest do
     end
 
     test "moderator can submit", %{user: user} do
-      bids = bids(actor: user)
+      assert _form =
-      author_roles = author_roles(actor: user)
-
-      valid_params = %{
-        "title" => "Book",
-        "description" => "A cool author",
-        "format" => "Paper",
-        "language" => "English",
-        "page_count" => 600,
-        "published" => ~D[2025-03-06],
-        "author_roles" => author_roles,
-        "bids" => bids
-      }
-
-      assert form =
                AshPhoenix.Form.for_create(Metadata.Book, :create,
                  as: "book",
                  actor: user
@@ -86,7 +58,7 @@ defmodule DecentralisedBookIndex.Metadata.Forms.BookFormTest do
           actor: user
         )
 
-      assert {:ok, user} = AshPhoenix.Form.submit(form, params: valid_params)
+      assert {:ok, _book} = AshPhoenix.Form.submit(form, params: valid_params)
     end
   end
 
@@ -106,7 +78,7 @@ defmodule DecentralisedBookIndex.Metadata.Forms.BookFormTest do
           actor: user
         )
 
-      assert {:ok, user} = AshPhoenix.Form.submit(form, params: valid_params)
+      assert {:ok, _book} = AshPhoenix.Form.submit(form, params: valid_params)
     end
 
     test "update bids and authors", %{user: user} do
@@ -125,7 +97,7 @@ defmodule DecentralisedBookIndex.Metadata.Forms.BookFormTest do
           actor: user
         )
 
-      assert {:ok, user} = AshPhoenix.Form.submit(form, params: valid_params)
+      assert {:ok, _book} = AshPhoenix.Form.submit(form, params: valid_params)
     end
   end
 

test/decentralised_book_index/metadata/forms/publisher_form_test.exs

@@ -12,12 +12,8 @@ defmodule DecentralisedBookIndex.Metadata.Forms.PublisherFormTest do
     test "user can't submit" do
       user = generate(user())
 
-      valid_params = %{
-        "name" => "Publisher"
-      }
-
       assert_raise Ash.Error.Forbidden, fn ->
-        form =
+        _form =
           AshPhoenix.Form.for_create(Metadata.Publisher, :create,
             as: "publisher",
             actor: user
@@ -27,11 +23,7 @@ defmodule DecentralisedBookIndex.Metadata.Forms.PublisherFormTest do
     end
 
     test "moderator can submit", %{user: user} do
-      valid_params = %{
+      assert _form =
-        "name" => "Publisher"
-      }
-
-      assert form =
                AshPhoenix.Form.for_create(Metadata.Publisher, :create,
                  as: "publisher",
                  actor: user

test/decentralised_book_index/sync/data_transformers/author_transformer_test.exs

@@ -81,5 +81,40 @@ defmodule DecentralisedBookIndex.Sync.DataTransformers.AuthorTransformerTest do
                updated_at: "2025-03-26T10:16:16.124581Z"
              } = author
     end
+
+    test "a json has dbi_server_id as nil, then author's map has not :dbi_server_id key" do
+      json_body = %{
+        "attributes" => %{
+          "author_alias_registry_id" => "1320a6fe-b311-45ac-bbaa-39cf29c44624",
+          "avatar_url" => "/images/avatar.png",
+          "dbi_server_id" => nil,
+          "description" => "Something",
+          "inserted_at" => "2025-03-25T19:19:15.187456Z",
+          "name" => "Author",
+          "updated_at" => "2025-03-26T10:16:16.124581Z"
+        },
+        "id" => "889a323e-d104-4b5d-b276-dad5a9b1da9d",
+        "links" => %{},
+        "meta" => %{},
+        "relationships" => %{
+          "author_alias_registry" => %{"links" => %{}, "meta" => %{}},
+          "dbi_server" => %{"links" => %{}, "meta" => %{}}
+        },
+        "type" => "author"
+      }
+
+      assert {:ok, author} = AuthorTransformer.from_json(json_body)
+
+      assert %{
+               id: "889a323e-d104-4b5d-b276-dad5a9b1da9d",
+               name: "Author",
+               description: "Something",
+               avatar_url: "/images/avatar.png",
+               author_alias_registry_id: "1320a6fe-b311-45ac-bbaa-39cf29c44624",
+               inserted_at: "2025-03-25T19:19:15.187456Z",
+               updated_at: "2025-03-26T10:16:16.124581Z"
+             } = author
+      refute Map.has_key?(author, :dbi_server_id)
+    end
   end
 end

test/decentralised_book_index/sync/data_transformers/book_transformer_test.exs

@@ -138,5 +138,70 @@ defmodule DecentralisedBookIndex.Sync.DataTransformers.BookTransformerTest do
                dbi_server_id: "889a323e-d104-4b5d-b276-dad5a9b1da99"
              } = book
     end
+
+    test "a json has dbi_server_id as nil, then book's map has not :dbi_server_id key" do
+      json_body = %{
+        "attributes" => %{
+          "dbi_server_id" => nil,
+          "cover_image_url" => "/images/book_cover.png",
+          "description" => "A cool book.",
+          "format" => "Paper",
+          "inserted_at" => "2025-03-20T14:44:36.162986Z",
+          "language" => "English",
+          "page_count" => 1000,
+          "published" => "2025-03-05",
+          "publisher_id" => "11349865-1b7b-454a-b999-6c4059888a78",
+          "title" => "Book",
+          "updated_at" => "2025-04-01T18:14:25.754055Z"
+        },
+        "id" => "1bbe8861-9d9d-4684-bda6-b6ec238d8d08",
+        "links" => %{},
+        "meta" => %{},
+        "relationships" => %{
+          "author_roles" => %{
+            "links" => %{
+              "related" =>
+                "http://localhost:4000/api/v1/json/books/1bbe8861-9d9d-4684-bda6-b6ec238d8d08/author_roles"
+            },
+            "meta" => %{}
+          },
+          "bids" => %{
+            "links" => %{
+              "related" =>
+                "http://localhost:4000/api/v1/json/books/1bbe8861-9d9d-4684-bda6-b6ec238d8d08/bids"
+            },
+            "meta" => %{}
+          },
+          "book_editions_registry" => %{"links" => %{}, "meta" => %{}},
+          "dbi_server" => %{"links" => %{}, "meta" => %{}},
+          "publisher" => %{
+            "links" => %{
+              "related" =>
+                "http://localhost:4000/api/v1/json/books/1bbe8861-9d9d-4684-bda6-b6ec238d8d08/publisher"
+            },
+            "meta" => %{}
+          }
+        },
+        "type" => "book"
+      }
+
+      assert {:ok, book} = BookTransformer.from_json(json_body)
+
+      assert %{
+               id: "1bbe8861-9d9d-4684-bda6-b6ec238d8d08",
+               cover_image_url: "/images/book_cover.png",
+               description: "A cool book.",
+               format: "Paper",
+               inserted_at: "2025-03-20T14:44:36.162986Z",
+               language: "English",
+               page_count: 1000,
+               published: "2025-03-05",
+               publisher_id: "11349865-1b7b-454a-b999-6c4059888a78",
+               title: "Book",
+               updated_at: "2025-04-01T18:14:25.754055Z",
+             } = book
+
+      refute Map.has_key?(book, :dbi_server_id)
+    end
   end
 end

test/decentralised_book_index/sync/data_transformers/dbi_server_transformer_test.exs

@@ -8,6 +8,7 @@ defmodule DecentralisedBookIndex.Sync.DataTransformers.DBIServerTransformerTest
       json_body = %{
         "data" => %{
           "attributes" => %{
+            "dbi_server_id" => "0c0647ec-07ef-4caa-b683-5847dbfbe5cc",
             "inserted_at" => "2025-03-22T20:07:30.766249Z",
             "name" => "Test",
             "updated_at" => "2025-05-04T18:48:44.213309Z",
@@ -16,7 +17,7 @@ defmodule DecentralisedBookIndex.Sync.DataTransformers.DBIServerTransformerTest
           "id" => "0c0647ec-07ef-4caa-b683-5847dbfbe5cc",
           "links" => %{},
           "meta" => %{},
-          "relationships" => %{},
+          "relationships" => %{"dbi_server" => %{"links" => %{}, "meta" => %{}}},
           "type" => "dbi_server"
         },
         "jsonapi" => %{"version" => "1.0"},
@@ -34,11 +35,40 @@ defmodule DecentralisedBookIndex.Sync.DataTransformers.DBIServerTransformerTest
                name: "Test",
                url: "http://localhost:4001",
                inserted_at: "2025-03-22T20:07:30.766249Z",
-               updated_at: "2025-05-04T18:48:44.213309Z"
+               updated_at: "2025-05-04T18:48:44.213309Z",
+               dbi_server_id: "0c0647ec-07ef-4caa-b683-5847dbfbe5cc"
              } = server
     end
 
     test "a json doesn't contains server information \"data\" attribute" do
+      json_body = %{
+        "attributes" => %{
+          "dbi_server_id" => "0c0647ec-07ef-4caa-b683-5847dbfbe5cc",
+          "inserted_at" => "2025-03-22T20:07:30.766249Z",
+          "name" => "Test",
+          "updated_at" => "2025-05-04T18:48:44.213309Z",
+          "url" => "http://localhost:4001"
+        },
+        "id" => "0c0647ec-07ef-4caa-b683-5847dbfbe5cc",
+        "links" => %{},
+        "meta" => %{},
+        "relationships" => %{"dbi_server" => %{"links" => %{}, "meta" => %{}}},
+        "type" => "dbi_server"
+      }
+
+      assert {:ok, server} = DBIServerTransformer.from_json(json_body)
+
+      assert %{
+               id: "0c0647ec-07ef-4caa-b683-5847dbfbe5cc",
+               name: "Test",
+               url: "http://localhost:4001",
+               inserted_at: "2025-03-22T20:07:30.766249Z",
+               updated_at: "2025-05-04T18:48:44.213309Z",
+               dbi_server_id: "0c0647ec-07ef-4caa-b683-5847dbfbe5cc"
+             } = server
+    end
+
+    test "a json has dbi_server_id as nil, then server's map has not :dbi_server_id key" do
       json_body = %{
         "attributes" => %{
           "inserted_at" => "2025-03-22T20:07:30.766249Z",
@@ -62,6 +92,8 @@ defmodule DecentralisedBookIndex.Sync.DataTransformers.DBIServerTransformerTest
                inserted_at: "2025-03-22T20:07:30.766249Z",
                updated_at: "2025-05-04T18:48:44.213309Z"
              } = server
+
+      refute Map.has_key?(server, :dbi_server_id)
     end
   end
 end

test/decentralised_book_index/sync/data_transformers/publisher_transformer_test.exs

@@ -63,5 +63,32 @@ defmodule DecentralisedBookIndex.Sync.DataTransformers.PublisherTransformerTest
                dbi_server_id: "889a323e-d104-4b5d-b276-dad5a9b1da99"
              } = publisher
     end
+
+    test "a json has dbi_server_id as nil, then publisher's map has not :dbi_server_id key" do
+      json_body = %{
+        "attributes" => %{
+          "dbi_server_id" => nil,
+          "inserted_at" => "2025-03-21T09:20:48.791539Z",
+          "name" => "Publisher",
+          "updated_at" => "2025-03-21T09:20:48.791539Z"
+        },
+        "id" => "11349865-1b7b-454a-b999-6c4059888a78",
+        "links" => %{},
+        "meta" => %{},
+        "relationships" => %{"dbi_server" => %{"links" => %{}, "meta" => %{}}},
+        "type" => "publisher"
+      }
+
+      assert {:ok, publisher} = PublisherTransformer.from_json(json_body)
+
+      assert %{
+               id: "11349865-1b7b-454a-b999-6c4059888a78",
+               name: "Publisher",
+               inserted_at: "2025-03-21T09:20:48.791539Z",
+               updated_at: "2025-03-21T09:20:48.791539Z",
+             } = publisher
+
+      refute Map.has_key?(publisher, :dbi_server_id)
+    end
   end
 end

test/decentralised_book_index/sync/sync/author_sync_test.exs

@@ -26,17 +26,13 @@ defmodule DecentralisedBookIndex.Sync.DataTransformers.AuthorSyncTest do
         updated_at: "2025-03-21T09:20:48.791539Z"
       }
 
-      {:ok, inserted_at, 0} = DateTime.from_iso8601(author[:inserted_at])
-      {:ok, updated_at, 0} = DateTime.from_iso8601(author[:updated_at])
-
       assert :ok = AuthorSync.create_update(author, server.id)
       assert {:ok, saved_author} = Metadata.get_author_by_id(author.id)
 
       author =
         author
-        |> Map.replace(:inserted_at, inserted_at)
-        |> Map.replace(:updated_at, updated_at)
         |> Map.delete(:author_alias_registry_id)
+        |> datetime_from_iso8601_for_map()
 
       assert get_submap(saved_author, author) == author
       assert nil != saved_author.author_alias_registry_id
@@ -56,16 +52,12 @@ defmodule DecentralisedBookIndex.Sync.DataTransformers.AuthorSyncTest do
         updated_at: "2025-03-21T09:20:48.791539Z"
       }
 
-      {:ok, inserted_at, 0} = DateTime.from_iso8601(author[:inserted_at])
-      {:ok, updated_at, 0} = DateTime.from_iso8601(author[:updated_at])
-
       assert :ok = AuthorSync.create_update(author, server.id)
       assert {:ok, saved_author} = Metadata.get_author_by_id(author.id)
 
       author =
         author
-        |> Map.replace(:inserted_at, inserted_at)
+        |> datetime_from_iso8601_for_map()
-        |> Map.replace(:updated_at, updated_at)
 
       assert get_submap(saved_author, author) == author
       assert nil != saved_author.author_alias_registry_id
@@ -88,7 +80,7 @@ defmodule DecentralisedBookIndex.Sync.DataTransformers.AuthorSyncTest do
       assert :ok = AuthorSync.create_update(author_attrs, server.id)
       assert {:ok, saved_author} = Metadata.get_author_by_id(author.id)
 
-      assert author = saved_author
+      assert get_submap(author, author_attrs) == get_submap(saved_author, author_attrs)
     end
 
     test "the local existing author wouldn't updated", %{user: user} do

test/decentralised_book_index/sync/sync/book_sync_test.exs

@@ -32,20 +32,17 @@ defmodule DecentralisedBookIndex.Sync.DataTransformers.BookSyncTest do
         updated_at: "2025-04-01T18:14:25.754055Z"
       }
 
-      {:ok, inserted_at, 0} = DateTime.from_iso8601(book[:inserted_at])
-      {:ok, updated_at, 0} = DateTime.from_iso8601(book[:updated_at])
-
       assert :ok = BookSync.create_update(book, server.id)
       assert {:ok, saved_book} = Metadata.get_book_by_id(book.id)
 
       book =
         book
-        |> Map.replace(:inserted_at, inserted_at)
+	|> datetime_from_iso8601_for_map()
-        |> Map.replace(:updated_at, updated_at)
         |> Map.replace(:published, Date.from_iso8601!(book[:published]))
 
       assert nil != saved_book.book_editions_registry_id
       assert server.id == saved_book.dbi_server_id
+      assert get_submap(saved_book, book) == book
     end
 
     test "a new book has the same editions registry" do
@@ -68,20 +65,17 @@ defmodule DecentralisedBookIndex.Sync.DataTransformers.BookSyncTest do
         book_editions_registry_id: "1ed81d9e-3757-472a-aa3b-44fcdfbe770a"
       }
 
-      {:ok, inserted_at, 0} = DateTime.from_iso8601(book[:inserted_at])
-      {:ok, updated_at, 0} = DateTime.from_iso8601(book[:updated_at])
-
       assert :ok = BookSync.create_update(book, server.id)
       assert {:ok, saved_book} = Metadata.get_book_by_id(book.id)
 
       book =
         book
-        |> Map.replace(:inserted_at, inserted_at)
+	|> datetime_from_iso8601_for_map()
-        |> Map.replace(:updated_at, updated_at)
         |> Map.replace(:published, Date.from_iso8601!(book[:published]))
 
       assert nil != saved_book.book_editions_registry_id
       assert server.id == saved_book.dbi_server_id
+      assert get_submap(saved_book, book) == book
     end
 
     test "a new book with relationships will be created" do
@@ -166,10 +160,10 @@ defmodule DecentralisedBookIndex.Sync.DataTransformers.BookSyncTest do
       }
 
       assert :ok = BookSync.create_update(book_attrs, server.id)
-      assert {:ok, saved_book} = Metadata.get_book_by_id(book.id)
+      assert {:ok, _saved_book} = Metadata.get_book_by_id(book.id)
     end
 
-    test "the local existing book wouldn't updated", %{user: user} do
+    test "the local existing book wouldn't updated" do
       server = generate(dbi_server(url: @test_server_endpoint))
 
       book = generate(book())
@@ -195,7 +189,7 @@ defmodule DecentralisedBookIndex.Sync.DataTransformers.BookSyncTest do
       assert saved_book.dbi_server_id == nil
     end
 
-    test "old book wouldn't be sync", %{user: user} do
+    test "old book wouldn't be sync" do
       server = generate(dbi_server(url: @test_server_endpoint))
 
       book = generate(book())
@@ -347,11 +341,4 @@ defmodule DecentralisedBookIndex.Sync.DataTransformers.BookSyncTest do
       assert Enum.all?(old_roles, fn id -> id not in new_roles end)
     end
   end
-
-  defp get_ids(records) do
-    Enum.map(records, fn record -> get_id(record) end)
-  end
-
-  defp get_id(record) when is_struct(record), do: record.id
-  defp get_id(record) when is_map(record), do: record[:id]
 end

test/decentralised_book_index/sync/sync/dbi_server_sync_test.exs

@@ -17,11 +17,11 @@ defmodule DecentralisedBookIndex.Sync.DataTransformers.DBIServerSyncTest do
       server = generate(dbi_server(url: @test_server_endpoint))
 
       dbi_server = %{
-               id: "0c0647ec-07ef-4caa-b683-5847dbfbe5cc",
+        id: "0c0647ec-07ef-4caa-b683-5847dbfbe5cc",
-               name: "Test",
+        name: "Test",
-               url: "http://localhost:4001",
+        url: "http://localhost:4001",
-               inserted_at: "2025-03-22T20:07:30.766249Z",
+        inserted_at: "2025-03-22T20:07:30.766249Z",
-               updated_at: "2025-05-04T18:48:44.213309Z"
+        updated_at: "2025-05-04T18:48:44.213309Z"
       }
 
       {:ok, inserted_at, 0} = DateTime.from_iso8601(dbi_server[:inserted_at])
@@ -35,27 +35,30 @@ defmodule DecentralisedBookIndex.Sync.DataTransformers.DBIServerSyncTest do
         |> Map.replace(:inserted_at, inserted_at)
         |> Map.replace(:updated_at, updated_at)
 
-      assert dbi_server = saved_dbi_server
+      assert dbi_server == get_submap(saved_dbi_server, dbi_server)
       assert server.id == saved_dbi_server.dbi_server_id
     end
 
     test "update an existing dbi_server", %{user: user} do
       server = generate(dbi_server(url: @test_server_endpoint))
 
-      {:ok, dbi_server} = Metadata.create_dbi_server("Test", "http://localhost:4001", false, actor: user)
+      {:ok, dbi_server} =
+        Metadata.create_dbi_server("Test", "http://localhost:4001", false, actor: user)
 
       dbi_server_attrs = %{
-               id: dbi_server.id,
+        id: dbi_server.id,
-               name: "Test",
+        name: "Test",
-               url: "http://localhost:4001",
+        url: "http://localhost:4001",
-               inserted_at: "2025-03-22T20:07:30.766249Z",
+        inserted_at: "2025-03-22T20:07:30.766249Z",
-               updated_at: "2025-05-04T18:48:44.213309Z"
+        updated_at: "2025-05-04T18:48:44.213309Z"
       }
 
       assert :ok = DBIServerSync.create_update(dbi_server_attrs, server.id)
       assert {:ok, saved_dbi_server} = Metadata.get_dbi_server_by_id(dbi_server.id)
 
-      assert dbi_server_attrs = saved_dbi_server
+      assert datetime_from_iso8601_for_map(dbi_server_attrs) ==
+               get_submap(saved_dbi_server, dbi_server_attrs)
+
       assert server.id == saved_dbi_server.dbi_server_id
     end
   end

test/decentralised_book_index/sync/sync/publisher_sync_test.exs

@@ -23,9 +23,6 @@ defmodule DecentralisedBookIndex.Sync.DataTransformers.PublisherSyncTest do
         updated_at: "2025-03-21T09:20:48.791539Z"
       }
 
-      {:ok, inserted_at, 0} = DateTime.from_iso8601(publisher[:inserted_at])
-      {:ok, updated_at, 0} = DateTime.from_iso8601(publisher[:updated_at])
-
       assert :ok = PublisherSync.create_update(publisher, server.id)
       assert {:ok, saved_publisher} = Metadata.get_publisher_by_id(publisher.id)
 

test/decentralised_book_index/sync/sync_tasks/sync_authors_task_test.exs

@@ -16,10 +16,10 @@ defmodule DecentralisedBookIndex.SyncTasks.SyncAuthorsTaskTest do
     test "sync authors", %{user: user} do
       server = generate(dbi_server(url: @test_server_endpoint))
 
-      {:ok, author} = Metadata.create_author("Author", "An description", nil, nil, actor: user)
+      {:ok, _author} = Metadata.create_author("Author", "An description", nil, nil, actor: user)
-      {:ok, author} = Metadata.create_author("Author2", "An description", nil, nil, actor: user)
+      {:ok, _author} = Metadata.create_author("Author2", "An description", nil, nil, actor: user)
 
-      assert server = SyncAuthorsTask.sync(server)
+      assert ^server = SyncAuthorsTask.sync(server)
     end
   end
 end

test/decentralised_book_index/sync/sync_tasks/sync_books_task_test.exs

@@ -2,7 +2,6 @@ defmodule DecentralisedBookIndex.SyncTasks.SyncBookTaskTest do
   use DecentralisedBookIndex.DataCase
 
   alias DecentralisedBookIndex.SyncTasks.SyncBooksTask
-  alias DecentralisedBookIndex.Metadata
 
   alias DecentralisedBookIndex.TestEndpoints
   @test_server_endpoint TestEndpoints.test_api_endpoint()
@@ -14,7 +13,7 @@ defmodule DecentralisedBookIndex.SyncTasks.SyncBookTaskTest do
       _book = generate(book())
       _book = generate(book())
 
-      assert server = SyncBooksTask.sync(server)
+      assert ^server = SyncBooksTask.sync(server)
     end
   end
 end

test/decentralised_book_index/sync/sync_tasks/sync_dbi_server_task_test.exs

@@ -19,7 +19,7 @@ defmodule DecentralisedBookIndex.SyncTasks.SyncDBIServerTaskTest do
       {:ok, _dbi_server} = Metadata.create_dbi_server("Test", "http://localhost:4001", false, actor: user)
       {:ok, _dbi_server} = Metadata.create_dbi_server("Test2", "http://localhost:4001", false, actor: user)
 
-      assert server = SyncDBIServerTask.sync(server)
+      assert ^server = SyncDBIServerTask.sync(server)
     end
   end
 end

test/decentralised_book_index/sync/sync_tasks/sync_publishers_task_test.exs

@@ -19,7 +19,7 @@ defmodule DecentralisedBookIndex.SyncTasks.SyncPublishersTaskTest do
       {:ok, _publisher} = Metadata.create_publisher("Publisher", actor: user)
       {:ok, _publisher} = Metadata.create_publisher("Publisher2", actor: user)
 
-      assert server = SyncPublishersTask.sync(server)
+      assert ^server = SyncPublishersTask.sync(server)
     end
   end
 end

test/decentralised_book_index/sync/sync_tasks/sync_server_task_test.exs

@@ -3,9 +3,6 @@ defmodule DecentralisedBookIndex.SyncTasks.SyncServerTaskTest do
 
   alias DecentralisedBookIndex.SyncTasks.SyncServerTask
 
-  alias DecentralisedBookIndex.Sync.ApiClients.FetchJson
-  alias DecentralisedBookIndex.Sync.AuthorSync
-
   alias DecentralisedBookIndex.Metadata
 
   alias DecentralisedBookIndex.TestEndpoints
@@ -18,19 +15,19 @@ defmodule DecentralisedBookIndex.SyncTasks.SyncServerTaskTest do
 
   describe "sync all" do
     test "servers", %{user: user} do
-      server = generate(dbi_server(url: @test_server_endpoint))
+      _server = generate(dbi_server(url: @test_server_endpoint))
-      {:ok, author} = Metadata.create_author("Author", "An description", nil, nil, actor: user)
+      {:ok, _author} = Metadata.create_author("Author", "An description", nil, nil, actor: user)
 
-      assert server = SyncServerTask.sync_all()
+      assert :ok = SyncServerTask.sync_all()
     end
   end
 
   describe "sync one" do
     test "server", %{user: user} do
       server = generate(dbi_server(url: @test_server_endpoint))
-      {:ok, author} = Metadata.create_author("Author", "An description", nil, nil, actor: user)
+      {:ok, _author} = Metadata.create_author("Author", "An description", nil, nil, actor: user)
 
-      assert server = SyncServerTask.sync_one(server)
+      assert :ok = SyncServerTask.sync_one(server)
     end
   end
 end

test/decentralised_book_index_web/live/live_views_permission_for_other_servers_data_test.exs

@@ -0,0 +1,118 @@
+defmodule DecentralisedBookIndexWeb.LiveViewsPermissionsForOtherServersDataTest do
+  use DecentralisedBookIndexWeb.LiveCase, async: true
+
+  alias DecentralisedBookIndex.TestEndpoints
+  @test_server_endpoint TestEndpoints.test_api_endpoint()
+
+  setup do
+    moderator = generate(user(role: :moderator))
+    admin = generate(user(role: :admin))
+    server = generate(dbi_server(url: @test_server_endpoint))
+
+    %{
+      server: server,
+      moderator: moderator,
+      admin: admin,
+      users: [moderator, admin]
+    }
+  end
+
+  describe "Book Edit /books/:id/edit" do
+    setup %{server: server} do
+      %{book: generate(book(dbi_server_id: server.id))}
+    end
+
+    test "can't edit other servers' data", %{conn: conn, users: users, book: book} do
+      for user <- users do
+        redirect_url = "/books/#{book.id}"
+
+        assert {:error,
+                {:redirect,
+                 %{flash: %{"error" => "Can't edit other server's data!"}, to: ^redirect_url}}} =
+                 conn
+                 |> log_in_user(user)
+                 |> live("/books/#{book.id}/edit")
+      end
+    end
+  end
+
+  describe "Author Edit /authors/:id/edit" do
+    setup %{server: server} do
+      %{author: generate(author(dbi_server_id: server.id))}
+    end
+
+    test "can't edit other servers' data", %{conn: conn, users: users, author: author} do
+      for user <- users do
+        redirect_url = "/authors/#{author.id}"
+
+        assert {:error,
+                {:redirect,
+                 %{flash: %{"error" => "Can't edit other server's data!"}, to: ^redirect_url}}} =
+                 conn
+                 |> log_in_user(user)
+                 |> live("/authors/#{author.id}/edit")
+      end
+    end
+  end
+
+  describe "Publisher Edit /publishers/:id/edit" do
+    setup %{server: server} do
+      %{publisher: generate(publisher(dbi_server_id: server.id))}
+    end
+
+    test "can't edit other servers' data", %{conn: conn, admin: admin, publisher: publisher} do
+      for user <- [admin] do
+        redirect_url = "/publishers/#{publisher.id}"
+
+        assert {:error,
+                {:redirect,
+                 %{flash: %{"error" => "Can't edit other server's data!"}, to: ^redirect_url}}} =
+                 conn
+                 |> log_in_user(user)
+                 |> live("/publishers/#{publisher.id}/edit")
+      end
+    end
+  end
+
+  describe "Server Edit /servers/:id/edit" do
+    setup %{server: server} do
+      %{dbi_server: generate(dbi_server(dbi_server_id: server.id))}
+    end
+
+    test "can edit other servers' data", %{conn: conn, admin: admin, dbi_server: dbi_server} do
+      for user <- [admin] do
+        assert {:ok, _view, _html} =
+                 conn
+                 |> log_in_user(user)
+                 |> live("/servers/#{dbi_server.id}/edit")
+      end
+    end
+
+    test "can edit this server data", %{conn: conn, admin: admin} do
+      dbi_server = generate(dbi_server())
+
+      for user <- [admin] do
+        assert {:ok, view, _html} =
+                 conn
+                 |> log_in_user(user)
+                 |> live("/servers/#{dbi_server.id}/edit")
+
+
+        assert has_element?(view, "input#dbi_server_name")
+        assert has_element?(view, "input#dbi_server_url")
+      end
+    end
+
+    test "can edit other servers' data, but only sync_on?", %{conn: conn, admin: admin, dbi_server: dbi_server} do
+      for user <- [admin] do
+        assert {:ok, view, _html} =
+                 conn
+                 |> log_in_user(user)
+                 |> live("/servers/#{dbi_server.id}/edit")
+
+        refute has_element?(view, "input#dbi_server_name")
+        refute has_element?(view, "input#dbi_server_url")
+      end
+    end
+  end
+end

test/decentralised_book_index_web/live/live_views_permission_test.exs

@@ -0,0 +1,514 @@
+defmodule DecentralisedBookIndexWeb.LiveViewsPermissionsTest do
+  use DecentralisedBookIndexWeb.LiveCase, async: true
+
+  setup do
+    user = generate(user(role: :user))
+    moderator = generate(user(role: :moderator))
+    admin = generate(user(role: :admin))
+
+    %{
+      user: user,
+      moderator: moderator,
+      admin: admin,
+      users: [nil, user, moderator, admin]
+    }
+  end
+
+  describe "Book Index /books" do
+    test "can be accessed by any user", %{conn: conn, users: users} do
+      for user <- users do
+        {:ok, _view, html} =
+          conn
+          |> log_in_user(user)
+          |> live("/books")
+
+        assert html =~ "Listing Books"
+      end
+    end
+  end
+
+  describe "Book Show /books/:id" do
+    setup do
+      %{book: generate(book())}
+    end
+
+    test "can be accessed by any user", %{conn: conn, users: users, book: book} do
+      for user <- users do
+        {:ok, _view, html} =
+          conn
+          |> log_in_user(user)
+          |> live("/books/#{book.id}")
+
+        assert html =~ book.title
+      end
+    end
+  end
+
+  describe "Book Edit /books/:id/new" do
+    test "can't be accessed by regular user", %{conn: conn, user: user} do
+      for user <- [nil, user] do
+        assert {:error, {:redirect, %{flash: %{"error" => "Unauthorized!"}, to: "/"}}} =
+                 conn
+                 |> log_in_user(user)
+                 |> live("/books/new")
+      end
+    end
+
+    test "can be accessed by moderator and admin", %{
+      conn: conn,
+      moderator: moderator,
+      admin: admin
+    } do
+      for user <- [moderator, admin] do
+        {:ok, _view, html} =
+          conn
+          |> log_in_user(user)
+          |> live("/books/new")
+
+        assert html =~ "New Book"
+      end
+    end
+  end
+
+  describe "Book Edit /books/:id/edit" do
+    setup do
+      %{book: generate(book())}
+    end
+
+    test "can't be accessed by regular user", %{conn: conn, user: user, book: book} do
+      for user <- [nil, user] do
+        assert {:error, {:redirect, %{flash: %{"error" => "Unauthorized!"}, to: "/"}}} =
+                 conn
+                 |> log_in_user(user)
+                 |> live("/books/#{book.id}/edit")
+      end
+    end
+
+    test "can be accessed by moderator and admin", %{
+      conn: conn,
+      moderator: moderator,
+      admin: admin,
+      book: book
+    } do
+      for user <- [moderator, admin] do
+        {:ok, _view, html} =
+          conn
+          |> log_in_user(user)
+          |> live("/books/#{book.id}/edit")
+
+        assert html =~ "Edit Book"
+      end
+    end
+  end
+
+  describe "Author Index /authors" do
+    test "can be accessed by any user", %{conn: conn, users: users} do
+      for user <- users do
+        {:ok, _view, html} =
+          conn
+          |> log_in_user(user)
+          |> live("/authors")
+
+        assert html =~ "Listing Authors"
+      end
+    end
+  end
+
+  describe "Author Show /authors/:id" do
+    setup do
+      %{author: generate(author())}
+    end
+
+    test "can be accessed by any user", %{conn: conn, users: users, author: author} do
+      for user <- users do
+        {:ok, _view, html} =
+          conn
+          |> log_in_user(user)
+          |> live("/authors/#{author.id}")
+
+        assert html =~ author.name
+      end
+    end
+  end
+
+  describe "Author Edit /authors/:id/new" do
+    test "can't be accessed by regular user", %{conn: conn, user: user} do
+      for user <- [nil, user] do
+        assert {:error, {:redirect, %{flash: %{"error" => "Unauthorized!"}, to: "/"}}} =
+                 conn
+                 |> log_in_user(user)
+                 |> live("/authors/new")
+      end
+    end
+
+    test "can be accessed by moderator and admin", %{
+      conn: conn,
+      moderator: moderator,
+      admin: admin
+    } do
+      for user <- [moderator, admin] do
+        {:ok, _view, html} =
+          conn
+          |> log_in_user(user)
+          |> live("/authors/new")
+
+        assert html =~ "New Author"
+      end
+    end
+  end
+
+  describe "Author Edit /authors/:id/edit" do
+    setup do
+      %{author: generate(author())}
+    end
+
+    test "can't be accessed by regular user", %{conn: conn, user: user, author: author} do
+      for user <- [nil, user] do
+        assert {:error, {:redirect, %{flash: %{"error" => "Unauthorized!"}, to: "/"}}} =
+                 conn
+                 |> log_in_user(user)
+                 |> live("/authors/#{author.id}/edit")
+      end
+    end
+
+    test "can be accessed by moderator and admin", %{
+      conn: conn,
+      moderator: moderator,
+      admin: admin,
+      author: author
+    } do
+      for user <- [moderator, admin] do
+        {:ok, _view, html} =
+          conn
+          |> log_in_user(user)
+          |> live("/authors/#{author.id}/edit")
+
+        assert html =~ "Edit Author"
+      end
+    end
+  end
+
+  describe "Publisher Index /publishers" do
+    test "can't be accessed by regular user", %{conn: conn, user: user} do
+      for user <- [nil, user] do
+        assert {:error, {:redirect, %{flash: %{"error" => "Unauthorized!"}, to: "/"}}} =
+                 conn
+                 |> log_in_user(user)
+                 |> live("/publishers")
+      end
+    end
+
+    test "can be accessed by moderator and admin", %{
+      conn: conn,
+      moderator: moderator,
+      admin: admin
+    } do
+      for user <- [moderator, admin] do
+        assert {:ok, _view, html} =
+                 conn
+                 |> log_in_user(user)
+                 |> live("/publishers")
+
+        assert html =~ "Listing Publishers"
+      end
+    end
+  end
+
+  describe "Publisher Show /publishers/:id" do
+    setup do
+      %{publisher: generate(publisher())}
+    end
+
+    test "can't be accessed by regular user", %{conn: conn, user: user, publisher: publisher} do
+      for user <- [nil, user] do
+        assert {:error, {:redirect, %{flash: %{"error" => "Unauthorized!"}, to: "/"}}} =
+                 conn
+                 |> log_in_user(user)
+                 |> live("/publishers/#{publisher.id}")
+      end
+    end
+
+    test "can be accessed by moderator and admin", %{
+      conn: conn,
+      moderator: moderator,
+      admin: admin,
+      publisher: publisher
+    } do
+      for user <- [moderator, admin] do
+        {:ok, _view, html} =
+          conn
+          |> log_in_user(user)
+          |> live("/publishers/#{publisher.id}")
+
+        assert html =~ publisher.name
+      end
+    end
+  end
+
+  describe "Publisher Edit /publishers/:id/new" do
+    test "can't be accessed by regular user", %{conn: conn, user: user} do
+      for user <- [nil, user] do
+        {:error, {:redirect, %{flash: %{"error" => "Unauthorized!"}, to: "/"}}} =
+          conn
+          |> log_in_user(user)
+          |> live("/publishers/new")
+      end
+    end
+
+    test "can be accessed by moderator and admin", %{
+      conn: conn,
+      moderator: moderator,
+      admin: admin
+    } do
+      for user <- [moderator, admin] do
+        {:ok, _view, html} =
+          conn
+          |> log_in_user(user)
+          |> live("/publishers/new")
+
+        assert html =~ "New Publisher"
+      end
+    end
+  end
+
+  describe "Publisher Edit /publishers/:id/edit" do
+    setup do
+      %{publisher: generate(publisher())}
+    end
+
+    test "can't be accessed by regular user", %{conn: conn, user: user, publisher: publisher} do
+      for user <- [nil, user] do
+        assert {:error, {:redirect, %{flash: %{"error" => "Unauthorized!"}, to: "/"}}} =
+                 conn
+                 |> log_in_user(user)
+                 |> live("/publishers/#{publisher.id}/edit")
+      end
+    end
+
+    test "can be accessed by moderator and admin", %{
+      conn: conn,
+      moderator: moderator,
+      admin: admin,
+      publisher: publisher
+    } do
+      for user <- [moderator, admin] do
+        {:ok, _view, html} =
+          conn
+          |> log_in_user(user)
+          |> live("/publishers/#{publisher.id}/edit")
+
+        assert html =~ "Edit Publisher"
+      end
+    end
+  end
+
+  describe "Server Index /servers" do
+    test "can't be accessed by regular user", %{
+      conn: conn,
+      user: user
+    } do
+      for user <- [nil, user] do
+        assert {:error, {:redirect, %{flash: %{"error" => "Unauthorized!"}, to: "/"}}} =
+                 conn
+                 |> log_in_user(user)
+                 |> live("/servers")
+      end
+    end
+
+    test "can be accessed by moderator and admin", %{
+      conn: conn,
+      moderator: moderator,
+      admin: admin
+    } do
+      for user <- [moderator, admin] do
+        assert {:ok, _view, html} =
+                 conn
+                 |> log_in_user(user)
+                 |> live("/servers")
+
+        assert html =~ "Listing Servers"
+      end
+    end
+  end
+
+  describe "Server Show /servers/:id" do
+    setup do
+      %{server: generate(dbi_server())}
+    end
+
+    test "can't be accessed by non-moderator user", %{
+      conn: conn,
+      user: user,
+      server: server
+    } do
+      for user <- [nil, user] do
+        assert {:error, {:redirect, %{flash: %{"error" => "Unauthorized!"}, to: "/"}}} =
+                 conn
+                 |> log_in_user(user)
+                 |> live("/servers/#{server.id}")
+      end
+    end
+
+    test "can be accessed by admin", %{
+      conn: conn,
+      moderator: moderator,
+      admin: admin,
+      server: server
+    } do
+      for user <- [moderator, admin] do
+        {:ok, _view, html} =
+          conn
+          |> log_in_user(user)
+          |> live("/servers/#{server.id}")
+
+        assert html =~ server.name
+      end
+    end
+  end
+
+  describe "Server Edit /servers/:id/new" do
+    test "can't be accessed by non-admin user", %{conn: conn, user: user, moderator: moderator} do
+      for user <- [nil, user, moderator] do
+        assert {:error, {:redirect, %{flash: %{"error" => "Unauthorized!"}, to: "/"}}} =
+                 conn
+                 |> log_in_user(user)
+                 |> live("/servers/new")
+      end
+    end
+
+    test "can be accessed by admin", %{conn: conn, admin: admin} do
+      for user <- [admin] do
+        {:ok, _view, html} =
+          conn
+          |> log_in_user(user)
+          |> live("/servers/new")
+
+        assert html =~ "New Server"
+      end
+    end
+  end
+
+  describe "Server Edit /servers/:id/edit" do
+    setup do
+      %{server: generate(dbi_server())}
+    end
+
+    test "can't be accessed by non-admin user", %{
+      conn: conn,
+      user: user,
+      moderator: moderator,
+      server: server
+    } do
+      for user <- [nil, user, moderator] do
+        assert {:error, {:redirect, %{flash: %{"error" => "Unauthorized!"}, to: "/"}}} =
+                 conn
+                 |> log_in_user(user)
+                 |> live("/servers/#{server.id}/edit")
+      end
+    end
+
+    test "can be accessed by admin", %{conn: conn, admin: admin, server: server} do
+      for user <- [admin] do
+        {:ok, _view, html} =
+          conn
+          |> log_in_user(user)
+          |> live("/servers/#{server.id}/edit")
+
+        assert html =~ "Edit Server"
+      end
+    end
+  end
+
+  describe "ObanWeb /oban" do
+    test "can't be accessed by regular user and moderator", %{
+      conn: conn,
+      user: user,
+      moderator: moderator
+    } do
+      for user <- [nil, user, moderator] do
+        assert {:error, {:redirect, %{flash: %{"error" => "Unauthorized!"}, to: "/"}}} =
+                 conn
+                 |> log_in_user(user)
+                 |> live("/oban")
+      end
+    end
+  end
+
+  describe "User Index /users" do
+    test "can't be accessed by regular user and moderator", %{
+      conn: conn,
+      user: user,
+      moderator: moderator
+    } do
+      for user <- [nil, user, moderator] do
+        assert {:error, {:redirect, %{flash: %{"error" => "Unauthorized!"}, to: "/"}}} =
+                 conn
+                 |> log_in_user(user)
+                 |> live("/users")
+      end
+    end
+
+    test "can be accessed by admin", %{conn: conn, admin: admin} do
+      for user <- [admin] do
+        assert {:ok, _view, html} =
+                 conn
+                 |> log_in_user(user)
+                 |> live("/users")
+
+        assert html =~ "Listing Users"
+      end
+    end
+  end
+
+  describe "User Show /users/:id" do
+    test "can't be accessed by non-admin user", %{
+      conn: conn,
+      user: regular_user,
+      moderator: moderator
+    } do
+      for user <- [nil, regular_user, moderator] do
+        assert {:error, {:redirect, %{flash: %{"error" => "Unauthorized!"}, to: "/"}}} =
+                 conn
+                 |> log_in_user(user)
+                 |> live("/users/#{regular_user.id}")
+      end
+    end
+
+    test "can be accessed by admin", %{conn: conn, admin: admin} do
+      for user <- [admin] do
+        {:ok, _view, html} =
+          conn
+          |> log_in_user(user)
+          |> live("/users/#{user.id}")
+
+        assert html =~ user.email.string
+      end
+    end
+  end
+
+  describe "User Edit /users/:id/edit" do
+    test "can't be accessed by non-admin user", %{
+      conn: conn,
+      user: regular_user,
+      moderator: moderator
+    } do
+      for user <- [nil, regular_user, moderator] do
+        assert {:error, {:redirect, %{flash: %{"error" => "Unauthorized!"}, to: "/"}}} =
+                 conn
+                 |> log_in_user(user)
+                 |> live("/users/#{regular_user.id}/edit")
+      end
+    end
+
+    test "can be accessed by admin", %{conn: conn, admin: admin} do
+      for user <- [admin] do
+        {:ok, _view, html} =
+          conn
+          |> log_in_user(user)
+          |> live("/users/#{user.id}/edit")
+
+        assert html =~ "Edit User"
+      end
+    end
+  end
+end

test/support/generators.ex

@@ -35,13 +35,16 @@ defmodule DecentralisedBookIndex.Generators do
           generate(user(role: :moderator))
         end)
 
+    dbi_server_id = opts[:dbi_server_id] || nil
+
     changeset_generator(
       Metadata.Author,
       :create,
       defaults: [
         name: sequence(:name, &"Author #{&1}"),
         description: sequence(:name, &"Description #{&1}"),
-        author_alias_registry_id: nil
+        author_alias_registry_id: nil,
+        dbi_server_id: dbi_server_id
       ],
       overrides: opts,
       actor: actor
@@ -83,16 +86,17 @@ defmodule DecentralisedBookIndex.Generators do
 
     url =
       opts[:url] ||
-        once(:default_actor, fn ->
+        "http://localhost:4002"
-          "http://localhost:4002"
+
-        end)
+    dbi_server_id = opts[:dbi_server_id] || nil
 
     changeset_generator(
       Metadata.DBIServer,
       :create,
       defaults: [
         name: sequence(:name, &"Server #{&1}"),
-        url: url
+        url: url,
+        dbi_server_id: dbi_server_id
       ],
       overrides: opts,
       actor: actor
@@ -136,11 +140,14 @@ defmodule DecentralisedBookIndex.Generators do
           generate(user(role: :moderator))
         end)
 
+    dbi_server_id = opts[:dbi_server_id] || nil
+
     changeset_generator(
       Metadata.Publisher,
       :create,
       defaults: [
-        name: sequence(:name, &"Publisher #{&1}")
+        name: sequence(:name, &"Publisher #{&1}"),
+        dbi_server_id: dbi_server_id
       ],
       overrides: opts,
       actor: actor

test/support/helpers.ex

@@ -40,4 +40,22 @@ defmodule DecentralisedBookIndex.Helpers do
     |> DateTime.add(seconds)
     |> DateTime.to_iso8601()
   end
+
+  def get_ids(records) do
+    Enum.map(records, fn record -> get_id(record) end)
+  end
+
+  def get_id(record) when is_struct(record), do: record.id
+  def get_id(record) when is_map(record), do: record[:id]
+
+  @doc """
+  Logs the given `user` into the `conn`.
+
+  It returns an updated `conn`.
+  """
+  def log_in_user(conn, user) do
+    conn
+    |> Phoenix.ConnTest.init_test_session(%{})
+    |> AshAuthentication.Plug.Helpers.store_in_session(user)
+  end
 end

test/support/live_case.ex

@@ -0,0 +1,75 @@
+defmodule DecentralisedBookIndexWeb.LiveCase do
+  @moduledoc """
+  This module defines the setup for tests requiring
+  access to the application's data layer.
+
+  You may define functions here to be used as helpers in
+  your tests.
+
+  Finally, if the test case interacts with the database,
+  we enable the SQL sandbox, so changes done to the database
+  are reverted at the end of every test. If you are using
+  PostgreSQL, you can even run database tests asynchronously
+  by setting `use DecentralisedBookIndex.DataCase, async: true`, although
+  this option is not recommended for other databases.
+  """
+
+  use ExUnit.CaseTemplate
+
+  using do
+    quote do
+      alias DecentralisedBookIndex.Repo
+
+      import Ecto
+      import Ecto.Changeset
+      import Ecto.Query
+      import DecentralisedBookIndex.DataCase
+      import DecentralisedBookIndex.Generators
+      import DecentralisedBookIndex.Helpers
+
+      # The default endpoint for testing
+      @endpoint DecentralisedBookIndexWeb.Endpoint
+
+      use DecentralisedBookIndexWeb, :verified_routes
+
+      # Import conveniences for testing with connections
+      import Plug.Conn
+      import Phoenix.ConnTest
+      import DecentralisedBookIndexWeb.ConnCase
+      import Phoenix.LiveViewTest
+    end
+  end
+
+  setup tags do
+    DecentralisedBookIndex.DataCase.setup_sandbox(tags)
+    {:ok, conn: Phoenix.ConnTest.build_conn()}
+  end
+
+  @doc """
+  Sets up the sandbox based on the test tags.
+  """
+  def setup_sandbox(tags) do
+    pid =
+      Ecto.Adapters.SQL.Sandbox.start_owner!(DecentralisedBookIndex.Repo,
+        shared: not tags[:async]
+      )
+
+    on_exit(fn -> Ecto.Adapters.SQL.Sandbox.stop_owner(pid) end)
+  end
+
+  @doc """
+  A helper that transforms changeset errors into a map of messages.
+
+      assert {:error, changeset} = Accounts.create_user(%{password: "short"})
+      assert "password is too short" in errors_on(changeset).password
+      assert %{password: ["password is too short"]} = errors_on(changeset)
+
+  """
+  def errors_on(changeset) do
+    Ecto.Changeset.traverse_errors(changeset, fn {message, opts} ->
+      Regex.replace(~r"%{(\w+)}", message, fn _, key ->
+        opts |> Keyword.get(String.to_existing_atom(key), key) |> to_string()
+      end)
+    end)
+  end
+end