lots of things done: thread - reply - category - seeds

lib/myapp/data/thread.ex

@@ -8,21 +8,43 @@ defmodule MyApp.Data.Thread do
   @derive {Poison.Encoder, except: [:__meta__]}
   schema "thread" do
     field :title, :string
+    field :category_id, :integer # references :category
     field :content, :string
-    field :view_count, :integer
-    field :user_id, :integer
+    field :view_count, :integer, default: 0
+    field :user_id, :integer # references :user
     field :last_reply_id, :integer
     field :sticky, :boolean, default: false
     field :locked, :boolean, default: false
+    field :edited, :boolean, default: false
 
-    belongs_to :user, Data.User, define_field: false
     timestamps()
   end
 
   def changeset(thread, params \\ %{}) do
     thread
-    |> cast(params, [:title, :content, :user_id, :view_count, :last_reply_id, :sticky, :locked])
-    |> validate_required([:title, :content, :user_id])
+    |> cast(params, [:id, :title, :category_id, :content, :user_id, :view_count, :last_reply_id, :sticky, :locked, :edited])
+    |> validate_required([:title, :category_id, :content, :user_id])
+    |> foreign_key_constraint(:category_id)
+  end
+
+  def insert_thread(params) do
+    changeset(%Data.Thread{}, params)
+    |> Repo.insert
+    |> Data.Util.process_insert_or_update
+  end
+
+  def update_thread(params) do
+    Repo.get(Data.Thread, Map.get(params, "id"))
+    |> process_update(params)
+  end
+
+  # TODO: check user permissions for sticky/locked
+  defp process_update(thread, _params) when is_nil(thread), do: {:error, "Invalid thread"}
+  defp process_update(thread, params) when not is_nil(thread) do
+    changeset(thread, Map.take(params, ["content", "edited", "sticky", "locked"]))
+    |> IO.inspect
+    |> Repo.update
+    |> Data.Util.process_insert_or_update
   end
 
 end