feat: Adding API controller and ability to create item thru API. #53

lib/app/todo/item.ex

@@ -2,6 +2,7 @@ defmodule App.Todo.Item do
   use Ecto.Schema
   import Ecto.Changeset
 
+  @derive {Jason.Encoder, only: [:person_id, :status, :text]}
   schema "items" do
     field :person_id, :integer, default: 0
     field :status, :integer, default: 0
@@ -15,5 +16,7 @@ defmodule App.Todo.Item do
     item
     |> cast(attrs, [:text, :person_id, :status])
     |> validate_required([:text])
+    |> validate_number(:status, greater_than_or_equal_to: 0, less_than_or_equal_to: 2)
+    |> validate_length(:text, min: 0)
   end
 end

lib/app_web/controllers/api_controller.ex

@@ -0,0 +1,34 @@
+defmodule AppWeb.ApiController do
+  use AppWeb, :controller
+  alias App.Todo
+  import Ecto.Changeset
+
+  def create(conn, params) do
+
+    case Todo.create_item(params) do
+
+      # Successfully creates item
+      {:ok, item} ->
+        json(conn, item)
+
+      # Error creating item
+      {:error, %Ecto.Changeset{} = changeset} ->
+        errors = traverse_errors(changeset, fn {msg, opts} ->
+          Regex.replace(~r"%{(\w+)}", msg, fn _, key ->
+            opts |> Keyword.get(String.to_existing_atom(key), key) |> to_string()
+          end)
+        end)
+
+        json(
+          conn |> put_status(400),
+          errors
+        )
+    end
+  end
+
+  def edit(conn, params) do
+    dbg("edit")
+    conn
+  end
+
+end

lib/app_web/router.ex

@@ -24,8 +24,9 @@ defmodule AppWeb.Router do
     resources "/items", ItemController
   end
 
-  # Other scopes may use custom stacks.
-  # scope "/api", AppWeb do
-  #   pipe_through :api
-  # end
+  scope "/api", AppWeb do
+    pipe_through :api
+
+    resources "items", ApiController, only: [:create, :edit]
+  end
 end