Add like system by for thread

diskuy_back/lib/diskuy_web/controllers/thread_controller.ex

@@ -3,6 +3,8 @@ defmodule DiskuyWeb.ThreadController do
 
   alias Diskuy.Forum
   alias Diskuy.Forum.Thread
+  alias Diskuy.Likes
+  alias Diskuy.Likes.ThreadLike
   alias DiskuyWeb.Auth.Guardian
 
   action_fallback DiskuyWeb.FallbackController
@@ -41,6 +43,28 @@ defmodule DiskuyWeb.ThreadController do
     end
   end
 
+  def add_like(conn, %{"id" => id}) do
+    current_user = Guardian.Plug.current_resource(conn)
+    thread = Forum.get_thread!(id)
+
+    with {:ok, %ThreadLike{} = _thread_like} <- Likes.create_thread_like(%{"user_id" => current_user.id,
+                                                                           "thread_id" => id}),
+         {:ok, %Thread{} = thread} <- Forum.update_thread(thread, %{"points" => (thread.points+ 1)}) do
+         render(conn, "show.json", thread: thread)
+    end
+  end
+
+  def delete_like(conn, %{"id" => id}) do
+    current_user = Guardian.Plug.current_resource(conn)
+    thread = Forum.get_thread!(id)
+    thread_like = Likes.get_thread_like_by_refer!(id, current_user.id)
+
+    with {:ok, %ThreadLike{}} <- Likes.delete_thread_like(thread_like),
+         {:ok, %Thread{} = thread} <- Forum.update_thread(thread, %{"points" => (thread.points-1)}) do
+         render(conn, "show.json", thread: thread)
+    end
+  end
+
   defp put_user_id(conn, %{"thread" => thread_params}) do
     current_user = Guardian.Plug.current_resource(conn)
     new_params = Map.put(thread_params, "user_id", current_user.id)

diskuy_back/lib/diskuy_web/controllers/thread_like_controller.ex

@@ -3,6 +3,7 @@ defmodule DiskuyWeb.ThreadLikeController do
 
   alias Diskuy.Likes
   alias Diskuy.Likes.ThreadLike
+  alias DiskuyWeb.Auth.Guardian
 
   action_fallback DiskuyWeb.FallbackController
 
@@ -40,4 +41,11 @@ defmodule DiskuyWeb.ThreadLikeController do
       send_resp(conn, :no_content, "")
     end
   end
+
+  def check_like(conn, %{"id" => id}) do
+    current_user = Guardian.Plug.current_resource(conn)
+    thread_like = Likes.get_thread_like_by_refer!(id, current_user.id)
+    render(conn, "show.json", thread_like: thread_like)
+  end
+
 end

diskuy_back/lib/diskuy_web/router.ex

@@ -16,6 +16,12 @@ defmodule DiskuyWeb.Router do
     resources "/threads", ThreadController, except: [:new, :edit, :show, :index]
     resources "/topics", TopicController, except: [:new, :edit, :show, :index]
     resources "/post", PostController, except: [:new, :edit, :show, :index]
+    post "/threads/like/:id", ThreadController, :add_like
+    options "/threads/like/:id", ThreadController, :options
+    post "/threads/dislike/:id", ThreadController, :delete_like
+    options "/threads/dislike/:id", ThreadController, :options
+    get "/threads/checklike/:id", ThreadLikeController, :check_like
+    options "/threads/checklike/:id", ThreadLikeController, :options
   end
 
   scope "/api", DiskuyWeb do