Introduce group posts

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

lib/graphql/schema/discussions/discussion.ex

@@ -0,0 +1,85 @@
+defmodule Mobilizon.GraphQL.Schema.Discussions.DiscussionType do
+  @moduledoc """
+  Schema representation for discussion
+  """
+  use Absinthe.Schema.Notation
+
+  import Absinthe.Resolution.Helpers, only: [dataloader: 1]
+
+  alias Mobilizon.Actors
+  alias Mobilizon.GraphQL.Resolvers.Discussion
+
+  @desc "A discussion"
+  object :discussion do
+    field(:id, :id, description: "Internal ID for this discussion")
+    field(:title, :string)
+    field(:slug, :string)
+    field(:last_comment, :comment)
+
+    field :comments, :paginated_comment_list do
+      arg(:page, :integer, default_value: 1)
+      arg(:limit, :integer, default_value: 10)
+      resolve(&Discussion.get_comments_for_discussion/3)
+      description("The comments for the discussion")
+    end
+
+    field(:creator, :person, resolve: dataloader(Actors))
+    field(:actor, :actor, resolve: dataloader(Actors))
+    field(:inserted_at, :datetime)
+    field(:updated_at, :datetime)
+  end
+
+  object :paginated_discussion_list do
+    field(:elements, list_of(:discussion), description: "A list of discussion")
+    field(:total, :integer, description: "The total number of comments in the list")
+  end
+
+  object :discussion_queries do
+    @desc "Get a discussion"
+    field :discussion, type: :discussion do
+      arg(:id, :id)
+      arg(:slug, :string)
+      resolve(&Discussion.get_discussion/3)
+    end
+  end
+
+  object :discussion_mutations do
+    @desc "Create a discussion"
+    field :create_discussion, type: :discussion do
+      arg(:title, non_null(:string))
+      arg(:text, non_null(:string))
+      arg(:actor_id, non_null(:id))
+      arg(:creator_id, non_null(:id))
+
+      resolve(&Discussion.create_discussion/3)
+    end
+
+    field :reply_to_discussion, type: :discussion do
+      arg(:discussion_id, non_null(:id))
+      arg(:text, non_null(:string))
+      resolve(&Discussion.reply_to_discussion/3)
+    end
+
+    field :update_discussion, type: :discussion do
+      arg(:title, non_null(:string))
+      arg(:discussion_id, non_null(:id))
+      resolve(&Discussion.update_discussion/3)
+    end
+
+    field :delete_discussion, type: :discussion do
+      arg(:discussion_id, non_null(:id))
+
+      resolve(&Discussion.delete_discussion/3)
+    end
+  end
+
+  object :discussion_subscriptions do
+    field :discussion_comment_changed, :discussion do
+      arg(:slug, non_null(:string))
+
+      config(fn args, _ ->
+        {:ok, topic: args.slug}
+      end)
+    end
+  end
+end