Somewhat damaged patch 1 (#20)

* Add new route

Adding route for
`/api/v1/json/posts/:id`

* Adding route controller

Adding route for
`/api/v1/json/posts/:id`

lib/philomena_web/controllers/api/json/post_controller.ex

@@ -0,0 +1,31 @@
+defmodule PhilomenaWeb.Api.Json.PostController do
+  use PhilomenaWeb, :controller
+
+  alias PhilomenaWeb.PostJson
+  alias Philomena.Posts.Post
+  alias Philomena.Repo
+  import Ecto.Query
+
+  def show(conn, %{"id" => post_id}) do
+    post = 
+      Post
+      |> join(:inner, [p], _ in assoc(p, :topic))
+      |> join(:inner, [_p, t], _ in assoc(t, :forum))
+      |> where(id: ^post_id)
+      |> where(destroyed_content: false)
+      |> where([_p, t], t.hidden_from_users == false)
+      |> where([_p, _t, f], f.access_level == "normal")      
+      |> preload([:user, :topic])
+      |> Repo.one()
+
+    cond do
+      is_nil(post) ->
+        conn
+        |> put_status(:not_found)
+        |> text("")
+
+      true ->
+        json(conn, %{post: PostJson.as_json(post)})
+    end
+  end
+end

lib/philomena_web/router.ex

@@ -115,12 +115,12 @@ defmodule PhilomenaWeb.Router do
     resources "/oembed", OembedController, only: [:index]
     resources "/tags", TagController, only: [:show]
     resources "/comments", CommentController, only: [:show]
+    resources "/posts", PostController, only: [:show]
     resources "/forums", ForumController, only: [:show, :index] do
       resources "/topics", Forum.TopicController, only: [:show, :index] do
         resources "/posts", Forum.Topic.PostController, only: [:show, :index]
       end
     end
-    
   end
 
   scope "/", PhilomenaWeb do