Update edit actions to prevent change other server's data.

lib/decentralised_book_index_web/components/my_components/author_card.ex

@@ -10,48 +10,91 @@ defmodule DecentralisedBookIndexWeb.Components.MyComponents.AuthorCard do
   def author_card(assigns) do
     ~H"""
     <div class="w-full max-w-sm bg-white border border-gray-200 rounded-lg shadow-sm dark:bg-gray-800 dark:border-gray-700 mx-auto my-3">
-        <%= if @current_user != nil and Role.can_moderate?(@current_user.role) do %>
-            <div class="flex justify-end px-4 pt-4">
-                <button id={"dropdownButton#{@author.id}"} data-dropdown-toggle={"dropdown#{@author.id}"} class="inline-block text-gray-500 dark:text-gray-400 hover:bg-gray-100 dark:hover:bg-gray-700 focus:ring-4 focus:outline-none focus:ring-gray-200 dark:focus:ring-gray-700 rounded-lg text-sm p-1.5" type="button">
-                    <span class="sr-only">Open dropdown</span>
-                    <svg class="w-5 h-5" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" fill="currentColor" viewBox="0 0 16 3">
-                        <path d="M2 0a1.5 1.5 0 1 1 0 3 1.5 1.5 0 0 1 0-3Zm6.041 0a1.5 1.5 0 1 1 0 3 1.5 1.5 0 0 1 0-3ZM14 0a1.5 1.5 0 1 1 0 3 1.5 1.5 0 0 1 0-3Z"/>
-                    </svg>
-                </button>
-                <!-- Dropdown menu -->
-                <div id={"dropdown#{@author.id}"} class="z-10 hidden text-base list-none bg-white divide-y divide-gray-100 rounded-lg shadow-sm w-44 dark:bg-gray-700">
-                    <ul class="py-2" aria-labelledby="dropdownButton">
-                        <li>
-                            <.link navigate={~p"/authors/#{@author.id}/edit"}
-                                   class="flex items-center block px-4 py-2 text-sm text-gray-700 hover:bg-gray-100 dark:hover:bg-gray-600 dark:text-gray-200 dark:hover:text-white"
-                            >
-                                <svg xmlns="http://www.w3.org/2000/svg" class="h-4 w-4 mr-2 -ml-0.5" viewBox="0 0 20 20" fill="currentColor" aria-hidden="true">
-                                    <path d="M17.414 2.586a2 2 0 00-2.828 0L7 10.172V13h2.828l7.586-7.586a2 2 0 000-2.828z"></path>
-                                    <path fill-rule="evenodd" d="M2 6a2 2 0 012-2h4a1 1 0 010 2H4v10h10v-4a1 1 0 112 0v4a2 2 0 01-2 2H4a2 2 0 01-2-2V6z" clip-rule="evenodd"></path>
-                                </svg>
-                                Edit
-                            </.link>
-                        </li>
-                    </ul>
-                </div>
-            </div>
-        <% end %>
-        <div class="flex flex-col items-center py-5 text-center">
-            <.link navigate={~p"/authors/#{@author.id}"}>
-                <%= if @author.avatar_url != nil do %>
-                    <img class="w-36 h-36 mb-3 rounded-full shadow-lg" src={@author.avatar_url} alt={"#{@author.name} image"} />
-                <% else %>
-                    <div class="relative w-36 h-36 overflow-hidden bg-gray-100 rounded-full dark:bg-gray-600">
-                        <svg class="absolute w-36 h-36 text-gray-400" fill="currentColor" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><path fill-rule="evenodd" d="M10 9a3 3 0 100-6 3 3 0 000 6zm-7 9a7 7 0 1114 0H3z" clip-rule="evenodd"></path></svg>
-                    </div>
-                <% end %>
-            </.link>
-
-            <.link navigate={~p"/authors/#{@author.id}"}>
-                <h5 class="mb-1 text-xl font-medium text-gray-900 dark:text-white">{@author.name}</h5>
-            </.link>
-            <span class="text-sm text-gray-500 dark:text-gray-400">{@author.description}</span>
+      <%= if @current_user != nil and Role.can_moderate?(@current_user.role) and is_nil(@author.dbi_server) do %>
+        <div class="flex justify-end px-4 pt-4">
+          <button
+            id={"dropdownButton#{@author.id}"}
+            data-dropdown-toggle={"dropdown#{@author.id}"}
+            class="inline-block text-gray-500 dark:text-gray-400 hover:bg-gray-100 dark:hover:bg-gray-700 focus:ring-4 focus:outline-none focus:ring-gray-200 dark:focus:ring-gray-700 rounded-lg text-sm p-1.5"
+            type="button"
+          >
+            <span class="sr-only">Open dropdown</span>
+            <svg
+              class="w-5 h-5"
+              aria-hidden="true"
+              xmlns="http://www.w3.org/2000/svg"
+              fill="currentColor"
+              viewBox="0 0 16 3"
+            >
+              <path d="M2 0a1.5 1.5 0 1 1 0 3 1.5 1.5 0 0 1 0-3Zm6.041 0a1.5 1.5 0 1 1 0 3 1.5 1.5 0 0 1 0-3ZM14 0a1.5 1.5 0 1 1 0 3 1.5 1.5 0 0 1 0-3Z" />
+            </svg>
+          </button>
+          <!-- Dropdown menu -->
+          <div
+            id={"dropdown#{@author.id}"}
+            class="z-10 hidden text-base list-none bg-white divide-y divide-gray-100 rounded-lg shadow-sm w-44 dark:bg-gray-700"
+          >
+            <ul class="py-2" aria-labelledby="dropdownButton">
+              <li>
+                <.link
+                  navigate={~p"/authors/#{@author.id}/edit"}
+                  class="flex items-center block px-4 py-2 text-sm text-gray-700 hover:bg-gray-100 dark:hover:bg-gray-600 dark:text-gray-200 dark:hover:text-white"
+                >
+                  <svg
+                    xmlns="http://www.w3.org/2000/svg"
+                    class="h-4 w-4 mr-2 -ml-0.5"
+                    viewBox="0 0 20 20"
+                    fill="currentColor"
+                    aria-hidden="true"
+                  >
+                    <path d="M17.414 2.586a2 2 0 00-2.828 0L7 10.172V13h2.828l7.586-7.586a2 2 0 000-2.828z">
+                    </path>
+                    <path
+                      fill-rule="evenodd"
+                      d="M2 6a2 2 0 012-2h4a1 1 0 010 2H4v10h10v-4a1 1 0 112 0v4a2 2 0 01-2 2H4a2 2 0 01-2-2V6z"
+                      clip-rule="evenodd"
+                    >
+                    </path>
+                  </svg>
+                  Edit
+                </.link>
+              </li>
+            </ul>
+          </div>
         </div>
+      <% end %>
+      <div class="flex flex-col items-center py-5 text-center">
+        <.link navigate={~p"/authors/#{@author.id}"}>
+          <%= if @author.avatar_url != nil do %>
+            <img
+              class="w-36 h-36 mb-3 rounded-full shadow-lg"
+              src={@author.avatar_url}
+              alt={"#{@author.name} image"}
+            />
+          <% else %>
+            <div class="relative w-36 h-36 overflow-hidden bg-gray-100 rounded-full dark:bg-gray-600">
+              <svg
+                class="absolute w-36 h-36 text-gray-400"
+                fill="currentColor"
+                viewBox="0 0 20 20"
+                xmlns="http://www.w3.org/2000/svg"
+              >
+                <path
+                  fill-rule="evenodd"
+                  d="M10 9a3 3 0 100-6 3 3 0 000 6zm-7 9a7 7 0 1114 0H3z"
+                  clip-rule="evenodd"
+                >
+                </path>
+              </svg>
+            </div>
+          <% end %>
+        </.link>
+
+        <.link navigate={~p"/authors/#{@author.id}"}>
+          <h5 class="mb-1 text-xl font-medium text-gray-900 dark:text-white">{@author.name}</h5>
+        </.link>
+        <span class="text-sm text-gray-500 dark:text-gray-400">{@author.brief_description}</span>
+      </div>
     </div>
     """
   end

lib/decentralised_book_index_web/components/my_components/book_card.ex

@@ -10,50 +10,89 @@ defmodule DecentralisedBookIndexWeb.Components.MyComponents.BookCard do
   def book_card(assigns) do
     ~H"""
     <div class="w-full max-w-sm bg-white border border-gray-200 rounded-lg shadow-sm dark:bg-gray-800 dark:border-gray-700 mx-auto my-3">
-        <%= if @current_user != nil and Role.can_moderate?(@current_user.role) do %>
-            <div class="flex justify-end px-4 pt-4">
-                <button id={"dropdownButton#{@book.id}"} data-dropdown-toggle={"dropdown#{@book.id}"} class="inline-block text-gray-500 dark:text-gray-400 hover:bg-gray-100 dark:hover:bg-gray-700 focus:ring-4 focus:outline-none focus:ring-gray-200 dark:focus:ring-gray-700 rounded-lg text-sm p-1.5" type="button">
-                    <span class="sr-only">Open dropdown</span>
-                    <svg class="w-5 h-5" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" fill="currentColor" viewBox="0 0 16 3">
-                        <path d="M2 0a1.5 1.5 0 1 1 0 3 1.5 1.5 0 0 1 0-3Zm6.041 0a1.5 1.5 0 1 1 0 3 1.5 1.5 0 0 1 0-3ZM14 0a1.5 1.5 0 1 1 0 3 1.5 1.5 0 0 1 0-3Z"/>
-                    </svg>
-                </button>
-                <!-- Dropdown menu -->
-                <div id={"dropdown#{@book.id}"} class="z-10 hidden text-base list-none bg-white divide-y divide-gray-100 rounded-lg shadow-sm w-44 dark:bg-gray-700">
-                    <ul class="py-2" aria-labelledby="dropdownButton">
-                        <li>
-                            <.link navigate={~p"/books/#{@book.id}/edit"}
-                                   class="flex items-center block px-4 py-2 text-sm text-gray-700 hover:bg-gray-100 dark:hover:bg-gray-600 dark:text-gray-200 dark:hover:text-white"
-                            >
-                                <svg xmlns="http://www.w3.org/2000/svg" class="h-4 w-4 mr-2 -ml-0.5" viewBox="0 0 20 20" fill="currentColor" aria-hidden="true">
-                                    <path d="M17.414 2.586a2 2 0 00-2.828 0L7 10.172V13h2.828l7.586-7.586a2 2 0 000-2.828z"></path>
-                                    <path fill-rule="evenodd" d="M2 6a2 2 0 012-2h4a1 1 0 010 2H4v10h10v-4a1 1 0 112 0v4a2 2 0 01-2 2H4a2 2 0 01-2-2V6z" clip-rule="evenodd"></path>
-                                </svg>
-                                Edit
-                            </.link>
-                        </li>
-                    </ul>
-                </div>
-            </div>
-        <% end %>
-        <div class="flex flex-col items-center py-5 text-center">
-            <.link navigate={~p"/books/#{@book.id}"}>
-                <%= if @book.cover_image_url != nil do %>
-                    <img class="w-36 mb-3 shadow-lg" src={@book.cover_image_url} alt={"#{@book.title} image"} />
-                <% else %>
-                    <div class="relative w-36 h-36 overflow-hidden">
-                        <svg class="w-36 h-36 text-gray-800 dark:text-white" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="currentColor" viewBox="0 0 24 24">
-                            <path fill-rule="evenodd" d="M6 2a2 2 0 0 0-2 2v15a3 3 0 0 0 3 3h12a1 1 0 1 0 0-2h-2v-2h2a1 1 0 0 0 1-1V4a2 2 0 0 0-2-2h-8v16h5v2H7a1 1 0 1 1 0-2h1V2H6Z" clip-rule="evenodd"/>
-                        </svg>
-                    </div>
-                <% end %>
-            </.link>
-
-            <.link navigate={~p"/books/#{@book.id}"}>
-                <h5 class="mb-1 text-xl font-medium text-gray-900 dark:text-white">{@book.title}</h5>
-            </.link>
-            <span class="text-sm text-gray-500 dark:text-gray-400">{@book.description}</span>
+      <%= if @current_user != nil and Role.can_moderate?(@current_user.role) and is_nil(@book.dbi_server) do %>
+        <div class="flex justify-end px-4 pt-4">
+          <button
+            id={"dropdownButton#{@book.id}"}
+            data-dropdown-toggle={"dropdown#{@book.id}"}
+            class="inline-block text-gray-500 dark:text-gray-400 hover:bg-gray-100 dark:hover:bg-gray-700 focus:ring-4 focus:outline-none focus:ring-gray-200 dark:focus:ring-gray-700 rounded-lg text-sm p-1.5"
+            type="button"
+          >
+            <span class="sr-only">Open dropdown</span>
+            <svg
+              class="w-5 h-5"
+              aria-hidden="true"
+              xmlns="http://www.w3.org/2000/svg"
+              fill="currentColor"
+              viewBox="0 0 16 3"
+            >
+              <path d="M2 0a1.5 1.5 0 1 1 0 3 1.5 1.5 0 0 1 0-3Zm6.041 0a1.5 1.5 0 1 1 0 3 1.5 1.5 0 0 1 0-3ZM14 0a1.5 1.5 0 1 1 0 3 1.5 1.5 0 0 1 0-3Z" />
+            </svg>
+          </button>
+          <!-- Dropdown menu -->
+          <div
+            id={"dropdown#{@book.id}"}
+            class="z-10 hidden text-base list-none bg-white divide-y divide-gray-100 rounded-lg shadow-sm w-44 dark:bg-gray-700"
+          >
+            <ul class="py-2" aria-labelledby="dropdownButton">
+              <li>
+                <.link
+                  navigate={~p"/books/#{@book.id}/edit"}
+                  class="flex items-center block px-4 py-2 text-sm text-gray-700 hover:bg-gray-100 dark:hover:bg-gray-600 dark:text-gray-200 dark:hover:text-white"
+                >
+                  <svg
+                    xmlns="http://www.w3.org/2000/svg"
+                    class="h-4 w-4 mr-2 -ml-0.5"
+                    viewBox="0 0 20 20"
+                    fill="currentColor"
+                    aria-hidden="true"
+                  >
+                    <path d="M17.414 2.586a2 2 0 00-2.828 0L7 10.172V13h2.828l7.586-7.586a2 2 0 000-2.828z">
+                    </path>
+                    <path
+                      fill-rule="evenodd"
+                      d="M2 6a2 2 0 012-2h4a1 1 0 010 2H4v10h10v-4a1 1 0 112 0v4a2 2 0 01-2 2H4a2 2 0 01-2-2V6z"
+                      clip-rule="evenodd"
+                    >
+                    </path>
+                  </svg>
+                  Edit
+                </.link>
+              </li>
+            </ul>
+          </div>
         </div>
+      <% end %>
+      <div class="flex flex-col items-center py-5 text-center">
+        <.link navigate={~p"/books/#{@book.id}"}>
+          <%= if @book.cover_image_url != nil do %>
+            <img class="w-36 mb-3 shadow-lg" src={@book.cover_image_url} alt={"#{@book.title} image"} />
+          <% else %>
+            <div class="relative w-36 h-36 overflow-hidden">
+              <svg
+                class="w-36 h-36 text-gray-800 dark:text-white"
+                aria-hidden="true"
+                xmlns="http://www.w3.org/2000/svg"
+                width="24"
+                height="24"
+                fill="currentColor"
+                viewBox="0 0 24 24"
+              >
+                <path
+                  fill-rule="evenodd"
+                  d="M6 2a2 2 0 0 0-2 2v15a3 3 0 0 0 3 3h12a1 1 0 1 0 0-2h-2v-2h2a1 1 0 0 0 1-1V4a2 2 0 0 0-2-2h-8v16h5v2H7a1 1 0 1 1 0-2h1V2H6Z"
+                  clip-rule="evenodd"
+                />
+              </svg>
+            </div>
+          <% end %>
+        </.link>
+
+        <.link navigate={~p"/books/#{@book.id}"}>
+          <h5 class="mb-1 text-xl font-medium text-gray-900 dark:text-white">{@book.title}</h5>
+        </.link>
+        <span class="text-sm text-gray-500 dark:text-gray-400">{@book.brief_description}</span>
+      </div>
     </div>
     """
   end

lib/decentralised_book_index_web/live/author_live/edit.ex

@@ -34,6 +34,7 @@ defmodule DecentralisedBookIndexWeb.AuthorLive.Edit do
       socket
       |> assign(:params, params)
       |> apply_action(socket.assigns.live_action, params)
+      |> redirect_if_not_editable()
 
     {:noreply, socket}
   end
@@ -43,7 +44,7 @@ defmodule DecentralisedBookIndexWeb.AuthorLive.Edit do
     |> assign(:page_title, "Edit Author")
     |> assign(
       :author,
-      Ash.get!(Metadata.Author, id, actor: socket.assigns.current_user)
+      Ash.get!(Metadata.Author, id, load: [:dbi_server], actor: socket.assigns.current_user)
     )
   end
 
@@ -57,4 +58,15 @@ defmodule DecentralisedBookIndexWeb.AuthorLive.Edit do
   def handle_info({DecentralisedBookIndexWeb.AuthorLive.FormComponent, {:saved, _author}}, socket) do
     {:noreply, socket}
   end
+
+  defp redirect_if_not_editable(socket) do
+    if not is_nil(socket.assigns.author.dbi_server) do
+      socket =
+        socket
+        |> Phoenix.LiveView.put_flash(:error, "Can't edit other server's data!")
+        |> Phoenix.LiveView.redirect(to: ~p"/authors/#{socket.assigns.author}")
+    else
+      socket
+    end
+  end
 end

lib/decentralised_book_index_web/live/author_live/index.ex

@@ -63,7 +63,7 @@ defmodule DecentralisedBookIndexWeb.AuthorLive.Index do
     page =
       Metadata.search_author!(
         search_query,
-        load: [:brief_description],
+        load: [:brief_description, :dbi_server],
         query: [sort_input: sort_by],
         page: page_params ++ [count: true],
         actor: socket.assigns.current_user

lib/decentralised_book_index_web/live/author_live/show.ex

@@ -15,11 +15,13 @@ defmodule DecentralisedBookIndexWeb.AuthorLive.Show do
             <.add_button_link patch={~p"/authors/#{@author}/new"}>
               Alias
             </.add_button_link>
-            <.link patch={~p"/authors/#{@author}/edit"}>
-              <.edit_button>
-                Edit
-              </.edit_button>
-            </.link>
+            <%= if is_nil(@author.dbi_server) do %>
+              <.link patch={~p"/authors/#{@author}/edit"}>
+                <.edit_button>
+                  Edit
+                </.edit_button>
+              </.link>
+            <% end %>
           </div>
         <% end %>
       </:actions>
@@ -87,7 +89,7 @@ defmodule DecentralisedBookIndexWeb.AuthorLive.Show do
   @impl true
   def handle_params(%{"id" => id}, _, socket) do
     author =
-      Ash.get!(DecentralisedBookIndex.Metadata.Author, id, actor: socket.assigns.current_user)
+      Ash.get!(DecentralisedBookIndex.Metadata.Author, id, load: [:dbi_server], actor: socket.assigns.current_user)
 
     alternative_names = DecentralisedBookIndex.Metadata.get_author_alternative_names!(author)
 

lib/decentralised_book_index_web/live/book_live/edit.ex

@@ -28,7 +28,12 @@ defmodule DecentralisedBookIndexWeb.BookLive.Edit do
 
   @impl true
   def handle_params(params, _url, socket) do
-    {:noreply, apply_action(socket, socket.assigns.live_action, params)}
+    socket =
+      socket
+      |> apply_action(socket.assigns.live_action, params)
+      |> redirect_if_not_editable()
+
+    {:noreply, socket}
   end
 
   defp apply_action(socket, :edit, %{"id" => id}) do
@@ -36,7 +41,7 @@ defmodule DecentralisedBookIndexWeb.BookLive.Edit do
     |> assign(:page_title, "Edit Book")
     |> assign(
       :book,
-      Ash.get!(DecentralisedBookIndex.Metadata.Book, id, actor: socket.assigns.current_user)
+      Ash.get!(DecentralisedBookIndex.Metadata.Book, id, load: [:dbi_server], actor: socket.assigns.current_user)
     )
   end
 
@@ -50,4 +55,15 @@ defmodule DecentralisedBookIndexWeb.BookLive.Edit do
   def handle_info({DecentralisedBookIndexWeb.BookLive.FormComponent, {:saved, _book}}, socket) do
     {:noreply, socket}
   end
+
+  defp redirect_if_not_editable(socket) do
+    if not is_nil(socket.assigns.book.dbi_server) do
+      socket =
+        socket
+        |> Phoenix.LiveView.put_flash(:error, "Can't edit other server's data!")
+        |> Phoenix.LiveView.redirect(to: ~p"/books/#{socket.assigns.book}")
+    else
+      socket
+    end
+  end
 end

lib/decentralised_book_index_web/live/book_live/index.ex

@@ -189,7 +189,7 @@ defmodule DecentralisedBookIndexWeb.BookLive.Index do
       "title" ->
         Metadata.search_book!(
           search_query,
-          load: [:brief_description],
+          load: [:brief_description, :dbi_server],
           query: [sort_input: sort_by],
           page: page_params ++ [count: true],
           actor: actor
@@ -199,7 +199,7 @@ defmodule DecentralisedBookIndexWeb.BookLive.Index do
         Metadata.search_book_by_bid!(
           type,
           search_query,
-          load: [:brief_description],
+          load: [:brief_description, :dbi_server],
           query: [sort_input: sort_by],
           page: page_params ++ [count: true],
           actor: actor

lib/decentralised_book_index_web/live/book_live/show.ex

@@ -19,11 +19,13 @@ defmodule DecentralisedBookIndexWeb.BookLive.Show do
             <.add_button_link patch={~p"/books/#{@book}/new"}>
               Edition
             </.add_button_link>
-            <.link patch={~p"/books/#{@book}/edit"}>
-              <.edit_button>
-                Edit
-              </.edit_button>
-            </.link>
+            <%= if is_nil(@book.dbi_server) do %>
+              <.link patch={~p"/books/#{@book}/edit"}>
+                <.edit_button>
+                  Edit
+                </.edit_button>
+              </.link>
+            <% end %>
           </div>
         <% end %>
       </:actions>
@@ -100,7 +102,7 @@ defmodule DecentralisedBookIndexWeb.BookLive.Show do
     book =
       Ash.get!(Metadata.Book, id,
         actor: socket.assigns.current_user,
-        load: [:bids, :author_roles, :publisher]
+        load: [:bids, :author_roles, :publisher, :dbi_server]
       )
 
     alternative_editions = Metadata.get_book_alternative_editions!(book)

lib/decentralised_book_index_web/live/publisher_live/edit.ex

@@ -30,6 +30,7 @@ defmodule DecentralisedBookIndexWeb.PublisherLive.Edit do
       socket
       |> assign(:params, params)
       |> apply_action(socket.assigns.live_action, params)
+      |> redirect_if_not_editable()
 
     {:noreply, socket}
   end
@@ -39,7 +40,7 @@ defmodule DecentralisedBookIndexWeb.PublisherLive.Edit do
     |> assign(:page_title, "Edit Publisher")
     |> assign(
       :publisher,
-      Ash.get!(Metadata.Publisher, id, actor: socket.assigns.current_user)
+      Ash.get!(Metadata.Publisher, id, load: [:dbi_server], actor: socket.assigns.current_user)
     )
   end
 
@@ -56,4 +57,15 @@ defmodule DecentralisedBookIndexWeb.PublisherLive.Edit do
       ) do
     {:noreply, socket}
   end
+
+  defp redirect_if_not_editable(socket) do
+    if not is_nil(socket.assigns.publisher.dbi_server) do
+      socket =
+        socket
+        |> Phoenix.LiveView.put_flash(:error, "Can't edit other server's data!")
+        |> Phoenix.LiveView.redirect(to: ~p"/publishers/#{socket.assigns.publisher}")
+    else
+      socket
+    end
+  end
 end

lib/decentralised_book_index_web/live/publisher_live/index.ex

@@ -43,7 +43,9 @@ defmodule DecentralisedBookIndexWeb.PublisherLive.Index do
               <.link navigate={~p"/publishers/#{publisher}"}>Show</.link>
             </div>
 
-            <.link patch={~p"/publishers/#{publisher}/edit"}>Edit</.link>
+            <%= if is_nil(publisher.dbi_server) do %>
+              <.link patch={~p"/publishers/#{publisher}/edit"}>Edit</.link>
+            <% end %>
           </:action>
         </.table>
 
@@ -76,6 +78,7 @@ defmodule DecentralisedBookIndexWeb.PublisherLive.Index do
         search_query,
         query: [sort_input: sort_by],
         page: page_params ++ [count: true],
+        load: [:dbi_server],
         actor: socket.assigns.current_user
       )
 

lib/decentralised_book_index_web/live/publisher_live/show.ex

@@ -8,11 +8,13 @@ defmodule DecentralisedBookIndexWeb.PublisherLive.Show do
       {@publisher.name}
 
       <:actions>
-        <.link patch={~p"/publishers/#{@publisher}/edit"} phx-click={JS.push_focus()}>
-          <.edit_button>
-            Edit
-          </.edit_button>
-        </.link>
+        <%= if is_nil(@publisher.dbi_server) do %>
+          <.link patch={~p"/publishers/#{@publisher}/edit"} phx-click={JS.push_focus()}>
+            <.edit_button>
+              Edit
+            </.edit_button>
+          </.link>
+        <% end %>
       </:actions>
     </.header>
 
@@ -32,7 +34,7 @@ defmodule DecentralisedBookIndexWeb.PublisherLive.Show do
      |> assign(:page_title, page_title(socket.assigns.live_action))
      |> assign(
        :publisher,
-       Ash.get!(DecentralisedBookIndex.Metadata.Publisher, id, actor: socket.assigns.current_user)
+       Ash.get!(DecentralisedBookIndex.Metadata.Publisher, id, load: [:dbi_server], actor: socket.assigns.current_user)
      )}
   end