Add tournaments ext_api stats

Author: vtm9

services/app/apps/codebattle/lib/codebattle_web/controllers/ext_api/tourtnament_controller.ex

@@ -0,0 +1,55 @@
+defmodule CodebattleWeb.ExtApi.TournamentController do
+  use CodebattleWeb, :controller
+
+  import Plug.Conn
+
+  plug(CodebattleWeb.Plugs.TokenAuth)
+
+  # Define the JSON file paths
+  @json_files [
+    "/json/tournament1.json",
+    "/json/tournament2.json",
+    "/json/tournament3.json",
+    "/json/tournament4.json",
+    "/json/tournament5.json",
+    "/json/tournament6.json",
+    "/json/tournament7.json"
+  ]
+
+  # Use an Agent to store the current index
+  def start_link do
+    Agent.start_link(fn -> 0 end, name: __MODULE__)
+  end
+
+  # Initialize the Agent when the application starts
+  def init do
+    if !Process.whereis(__MODULE__), do: start_link()
+  end
+
+  def show(conn, %{"base_url" => base_url} = _params) do
+    # Initialize the agent if it doesn't exist
+    init()
+
+    # Get current index and update it for the next request
+    current_index =
+      Agent.get_and_update(__MODULE__, fn index ->
+        next_index = rem(index + 1, length(@json_files))
+        {index, next_index}
+      end)
+
+    # Get the current JSON file path
+    json_path = Enum.at(@json_files, current_index)
+
+    # Construct the full URL
+    redirect_url = "#{base_url}#{json_path}"
+
+    # Redirect to the S3 bucket URL
+    redirect(conn, external: redirect_url)
+  end
+
+  def show(conn, _params) do
+    conn
+    |> put_status(:bad_request)
+    |> json(%{error: "Missing base_url parameter"})
+  end
+end

services/app/apps/codebattle/lib/codebattle_web/plugs/token_auth.ex

@@ -7,8 +7,9 @@ defmodule CodebattleWeb.Plugs.TokenAuth do
 
   def call(conn, _) do
     key = Application.get_env(:codebattle, :api_key)
+    user_key = get_key(conn)
 
-    if key && key == List.first(get_req_header(conn, "x-auth-key")) do
+    if key && key == user_key do
       conn
     else
       conn
@@ -17,4 +18,11 @@ defmodule CodebattleWeb.Plugs.TokenAuth do
       |> halt()
     end
   end
+
+  defp get_key(conn) do
+    case List.first(get_req_header(conn, "x-auth-key")) do
+      nil -> conn.params["auth-key"]
+      header_key -> header_key
+    end
+  end
 end

services/app/apps/codebattle/lib/codebattle_web/router.ex

@@ -72,6 +72,7 @@ defmodule CodebattleWeb.Router do
     post("/users", UserController, :create)
     post("/tasks", TaskController, :create)
     post("/task_packs", TaskPackController, :create)
+    get("tournaments/:id", TournamentController, :show)
   end
 
   scope "/", CodebattleWeb do