KKlochko/decentralised_book_index
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Add AuthorRole to manage relationship between Author and Book.

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KKlochko
2025-03-09 22:03:51 +02:00
parent d4c73cb647
commit 9cdedf0c7c
9 changed files with 494 additions and 4 deletions
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lib/decentralised_book_index/metadata.ex
+4 -2
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@@ -6,11 +6,11 @@ defmodule DecentralisedBookIndex.Metadata do
resource DecentralisedBookIndex.Metadata.Book do
define :create_book,
action: :create,
args: [:title, :isbn, :description, {:optional, :book_editions_registry_id}]
args: [:title, :isbn, :description, :author_roles, {:optional, :book_editions_registry_id}]
define :add_book_to_related_editions_registry,
action: :add_book_to_related_editions_registry,
args: [:title, :isbn, :description, :related_book_id]
args: [:title, :isbn, :description, :author_roles, :related_book_id]
define :list_books, action: :read
define :get_book_by_id, args: [:id], action: :by_id
@@ -52,5 +52,7 @@ defmodule DecentralisedBookIndex.Metadata do
define :update_book_editions_registry, action: :update
define :destroy_book_editions_registry, action: :destroy
end
resource DecentralisedBookIndex.Metadata.AuthorRole
end
end
lib/decentralised_book_index/metadata/author.ex
+6 -1
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@@ -5,6 +5,7 @@ defmodule DecentralisedBookIndex.Metadata.Author do
data_layer: AshPostgres.DataLayer
require Ash.Query
alias DecentralisedBookIndex.Metadata
postgres do
table "authors"
@@ -87,7 +88,11 @@ defmodule DecentralisedBookIndex.Metadata.Author do
end
relationships do
belongs_to :author_alias_registry, DecentralisedBookIndex.Metadata.AuthorAliasRegistry do
belongs_to :author_alias_registry, Metadata.AuthorAliasRegistry do
attribute_writable? true
end
belongs_to :author_role, Metadata.AuthorRole do
attribute_writable? true
end
end
lib/decentralised_book_index/metadata/author_role.ex
+49
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@@ -0,0 +1,49 @@
defmodule DecentralisedBookIndex.Metadata.AuthorRole do
use Ash.Resource,
otp_app: :decentralised_book_index,
domain: DecentralisedBookIndex.Metadata,
data_layer: AshPostgres.DataLayer
alias DecentralisedBookIndex.Metadata
postgres do
table "author_role"
repo DecentralisedBookIndex.Repo
end
actions do
defaults [:read, :update, :destroy]
create :create do
primary? true
accept [:order, :role]
argument :author_id, :uuid
end
end
attributes do
uuid_primary_key :id
attribute :role, :string do
allow_nil? true
public? true
end
attribute :order, :integer do
allow_nil? false
public? true
end
timestamps()
end
relationships do
belongs_to :book, Metadata.Book do
allow_nil? true
end
has_one :author, Metadata.Author do
allow_nil? false
end
end
end
lib/decentralised_book_index/metadata/book.ex
+14 -1
View File
@@ -5,6 +5,7 @@ defmodule DecentralisedBookIndex.Metadata.Book do
data_layer: AshPostgres.DataLayer
require Ash.Query
alias DecentralisedBookIndex.Metadata
postgres do
table "books"
@@ -17,6 +18,7 @@ defmodule DecentralisedBookIndex.Metadata.Book do
create :create do
primary? true
accept [:title, :isbn, :description, :book_editions_registry_id]
argument :author_roles, {:array, :map}
change fn changeset, _ ->
registry_id = Ash.Changeset.get_attribute(changeset, :book_editions_registry_id)
@@ -29,6 +31,8 @@ defmodule DecentralisedBookIndex.Metadata.Book do
changeset
end
end
change manage_relationship(:author_roles, type: :direct_control, order_is_key: :order)
end
create :add_book_to_related_editions_registry do
@@ -38,6 +42,8 @@ defmodule DecentralisedBookIndex.Metadata.Book do
allow_nil? false
end
argument :author_roles, {:array, :map}
change fn changeset, context ->
related_book_id = changeset.arguments.related_book_id
@@ -49,6 +55,8 @@ defmodule DecentralisedBookIndex.Metadata.Book do
Ash.Changeset.force_change_attribute(changeset, :book_editions_registry_id, related_book.book_editions_registry_id)
end
end
change manage_relationship(:author_roles, type: :direct_control, order_is_key: :order)
end
read :by_id do
@@ -92,6 +100,11 @@ defmodule DecentralisedBookIndex.Metadata.Book do
end
relationships do
belongs_to :book_editions_registry, DecentralisedBookIndex.Metadata.BookEditionsRegistry
belongs_to :book_editions_registry, Metadata.BookEditionsRegistry
has_many :author_roles, Metadata.AuthorRole do
sort order: :asc
public? true
end
end
end
priv/repo/migrations/20250309192029_create_author_role_and_update_relationships.exs
+75
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@@ -0,0 +1,75 @@
defmodule DecentralisedBookIndex.Repo.Migrations.CreateAuthorRoleAndUpdateRelationships do
@moduledoc """
Updates resources based on their most recent snapshots.
This file was autogenerated with `mix ash_postgres.generate_migrations`
"""
use Ecto.Migration
def up do
alter table(:authors) do
add :author_role_id, :uuid
end
create table(:author_role, primary_key: false) do
add :id, :uuid, null: false, default: fragment("gen_random_uuid()"), primary_key: true
end
alter table(:authors) do
modify :author_role_id,
references(:author_role,
column: :id,
name: "authors_author_role_id_fkey",
type: :uuid,
prefix: "public"
)
end
alter table(:author_role) do
add :role, :text, null: false
add :order, :bigint, null: false
add :inserted_at, :utc_datetime_usec,
null: false,
default: fragment("(now() AT TIME ZONE 'utc')")
add :updated_at, :utc_datetime_usec,
null: false,
default: fragment("(now() AT TIME ZONE 'utc')")
add :book_id,
references(:books,
column: :id,
name: "author_role_book_id_fkey",
type: :uuid,
prefix: "public"
),
null: false
end
end
def down do
drop constraint(:author_role, "author_role_book_id_fkey")
alter table(:author_role) do
remove :book_id
remove :updated_at
remove :inserted_at
remove :order
remove :role
end
drop constraint(:authors, "authors_author_role_id_fkey")
alter table(:authors) do
modify :author_role_id, :uuid
end
drop table(:author_role)
alter table(:authors) do
remove :author_role_id
end
end
end
priv/repo/migrations/20250309194121_update_author_role_to_allow_empty_role_and_book_relationship.exs
+23
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@@ -0,0 +1,23 @@
defmodule DecentralisedBookIndex.Repo.Migrations.UpdateAuthorRoleToAllowEmptyRoleAndBookRelationship do
@moduledoc """
Updates resources based on their most recent snapshots.
This file was autogenerated with `mix ash_postgres.generate_migrations`
"""
use Ecto.Migration
def up do
alter table(:author_role) do
modify :book_id, :uuid, null: true
modify :role, :text, null: true
end
end
def down do
alter table(:author_role) do
modify :role, :text, null: false
modify :book_id, :uuid, null: false
end
end
end
priv/resource_snapshots/repo/author_role/20250309192029.json
+98
View File
@@ -0,0 +1,98 @@
{
"attributes": [
{
"allow_nil?": false,
"default": "fragment(\"gen_random_uuid()\")",
"generated?": false,
"primary_key?": true,
"references": null,
"size": null,
"source": "id",
"type": "uuid"
},
{
"allow_nil?": false,
"default": "nil",
"generated?": false,
"primary_key?": false,
"references": null,
"size": null,
"source": "role",
"type": "text"
},
{
"allow_nil?": false,
"default": "nil",
"generated?": false,
"primary_key?": false,
"references": null,
"size": null,
"source": "order",
"type": "bigint"
},
{
"allow_nil?": false,
"default": "fragment(\"(now() AT TIME ZONE 'utc')\")",
"generated?": false,
"primary_key?": false,
"references": null,
"size": null,
"source": "inserted_at",
"type": "utc_datetime_usec"
},
{
"allow_nil?": false,
"default": "fragment(\"(now() AT TIME ZONE 'utc')\")",
"generated?": false,
"primary_key?": false,
"references": null,
"size": null,
"source": "updated_at",
"type": "utc_datetime_usec"
},
{
"allow_nil?": false,
"default": "nil",
"generated?": false,
"primary_key?": false,
"references": {
"deferrable": false,
"destination_attribute": "id",
"destination_attribute_default": null,
"destination_attribute_generated": null,
"index?": false,
"match_type": null,
"match_with": null,
"multitenancy": {
"attribute": null,
"global": null,
"strategy": null
},
"name": "author_role_book_id_fkey",
"on_delete": null,
"on_update": null,
"primary_key?": true,
"schema": "public",
"table": "books"
},
"size": null,
"source": "book_id",
"type": "uuid"
}
],
"base_filter": null,
"check_constraints": [],
"custom_indexes": [],
"custom_statements": [],
"has_create_action": true,
"hash": "6667F3DE0BDFD517C8D53D17E346C56035AC13788FC75DA5BB995D2C667C65DA",
"identities": [],
"multitenancy": {
"attribute": null,
"global": null,
"strategy": null
},
"repo": "Elixir.DecentralisedBookIndex.Repo",
"schema": null,
"table": "author_role"
}
priv/resource_snapshots/repo/author_role/20250309194121.json
+98
View File
@@ -0,0 +1,98 @@
{
"attributes": [
{
"allow_nil?": false,
"default": "fragment(\"gen_random_uuid()\")",
"generated?": false,
"primary_key?": true,
"references": null,
"size": null,
"source": "id",
"type": "uuid"
},
{
"allow_nil?": true,
"default": "nil",
"generated?": false,
"primary_key?": false,
"references": null,
"size": null,
"source": "role",
"type": "text"
},
{
"allow_nil?": false,
"default": "nil",
"generated?": false,
"primary_key?": false,
"references": null,
"size": null,
"source": "order",
"type": "bigint"
},
{
"allow_nil?": false,
"default": "fragment(\"(now() AT TIME ZONE 'utc')\")",
"generated?": false,
"primary_key?": false,
"references": null,
"size": null,
"source": "inserted_at",
"type": "utc_datetime_usec"
},
{
"allow_nil?": false,
"default": "fragment(\"(now() AT TIME ZONE 'utc')\")",
"generated?": false,
"primary_key?": false,
"references": null,
"size": null,
"source": "updated_at",
"type": "utc_datetime_usec"
},
{
"allow_nil?": true,
"default": "nil",
"generated?": false,
"primary_key?": false,
"references": {
"deferrable": false,
"destination_attribute": "id",
"destination_attribute_default": null,
"destination_attribute_generated": null,
"index?": false,
"match_type": null,
"match_with": null,
"multitenancy": {
"attribute": null,
"global": null,
"strategy": null
},
"name": "author_role_book_id_fkey",
"on_delete": null,
"on_update": null,
"primary_key?": true,
"schema": "public",
"table": "books"
},
"size": null,
"source": "book_id",
"type": "uuid"
}
],
"base_filter": null,
"check_constraints": [],
"custom_indexes": [],
"custom_statements": [],
"has_create_action": true,
"hash": "6724F84DA6E412084BDE66C28F5D25E079DA1A0CE11846D36C8FC8FEDBC080C1",
"identities": [],
"multitenancy": {
"attribute": null,
"global": null,
"strategy": null
},
"repo": "Elixir.DecentralisedBookIndex.Repo",
"schema": null,
"table": "author_role"
}
priv/resource_snapshots/repo/authors/20250309192029.json
+127
View File
@@ -0,0 +1,127 @@
{
"attributes": [
{
"allow_nil?": false,
"default": "fragment(\"gen_random_uuid()\")",
"generated?": false,
"primary_key?": true,
"references": null,
"size": null,
"source": "id",
"type": "uuid"
},
{
"allow_nil?": false,
"default": "nil",
"generated?": false,
"primary_key?": false,
"references": null,
"size": null,
"source": "name",
"type": "text"
},
{
"allow_nil?": false,
"default": "nil",
"generated?": false,
"primary_key?": false,
"references": null,
"size": null,
"source": "description",
"type": "text"
},
{
"allow_nil?": false,
"default": "fragment(\"(now() AT TIME ZONE 'utc')\")",
"generated?": false,
"primary_key?": false,
"references": null,
"size": null,
"source": "inserted_at",
"type": "utc_datetime_usec"
},
{
"allow_nil?": false,
"default": "fragment(\"(now() AT TIME ZONE 'utc')\")",
"generated?": false,
"primary_key?": false,
"references": null,
"size": null,
"source": "updated_at",
"type": "utc_datetime_usec"
},
{
"allow_nil?": true,
"default": "nil",
"generated?": false,
"primary_key?": false,
"references": {
"deferrable": false,
"destination_attribute": "id",
"destination_attribute_default": null,
"destination_attribute_generated": null,
"index?": false,
"match_type": null,
"match_with": null,
"multitenancy": {
"attribute": null,
"global": null,
"strategy": null
},
"name": "authors_author_alias_registry_id_fkey",
"on_delete": null,
"on_update": null,
"primary_key?": true,
"schema": "public",
"table": "author_alias_registries"
},
"size": null,
"source": "author_alias_registry_id",
"type": "uuid"
},
{
"allow_nil?": true,
"default": "nil",
"generated?": false,
"primary_key?": false,
"references": {
"deferrable": false,
"destination_attribute": "id",
"destination_attribute_default": null,
"destination_attribute_generated": null,
"index?": false,
"match_type": null,
"match_with": null,
"multitenancy": {
"attribute": null,
"global": null,
"strategy": null
},
"name": "authors_author_role_id_fkey",
"on_delete": null,
"on_update": null,
"primary_key?": true,
"schema": "public",
"table": "author_role"
},
"size": null,
"source": "author_role_id",
"type": "uuid"
}
],
"base_filter": null,
"check_constraints": [],
"custom_indexes": [],
"custom_statements": [],
"has_create_action": true,
"hash": "AC2913B21E513141F73B16ACEF1CD7D895075358BAC642373241092D464C2D58",
"identities": [],
"multitenancy": {
"attribute": null,
"global": null,
"strategy": null
},
"repo": "Elixir.DecentralisedBookIndex.Repo",
"schema": null,
"table": "authors"
}