Add more Mastodon API methods.

lib/pleroma/web/mastodon_api/mastodon_api_controller.ex

@@ -1,9 +1,11 @@
 defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   use Pleroma.Web, :controller
-  alias Pleroma.{Repo}
+  alias Pleroma.{Repo, Activity}
   alias Pleroma.Web.OAuth.App
   alias Pleroma.Web
-  alias Pleroma.Web.MastodonAPI.AccountView
+  alias Pleroma.Web.MastodonAPI.{StatusView, AccountView}
+  alias Pleroma.Web.ActivityPub.ActivityPub
+  alias Pleroma.Web.TwitterAPI.TwitterAPI
 
   def create_app(conn, params) do
     with cs <- App.register_changeset(%App{}, params) |> IO.inspect,
@@ -33,4 +35,37 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
 
     json(conn, response)
   end
+
+  def home_timeline(%{assigns: %{user: user}} = conn, params) do
+    activities = ActivityPub.fetch_activities([user.ap_id | user.following], Map.put(params, "type", "Create"))
+    render conn, StatusView, "index.json", %{activities: activities, for: user, as: :activity}
+  end
+
+  def public_timeline(%{assigns: %{user: user}} = conn, params) do
+    params = params
+    |> Map.put("type", "Create")
+    |> Map.put("local_only", !!params["local"])
+
+    activities = ActivityPub.fetch_public_activities(params)
+
+    render conn, StatusView, "index.json", %{activities: activities, for: user, as: :activity}
+  end
+
+  def get_status(%{assigns: %{user: user}} = conn, %{"id" => id}) do
+    with %Activity{} = activity <- Repo.get(Activity, id) do
+      render conn, StatusView, "status.json", %{activity: activity, for: user}
+    end
+  end
+
+  def post_status(%{assigns: %{user: user}} = conn, %{"status" => status} = params) do
+    l = status |> String.trim |> String.length
+
+    params = params
+    |> Map.put("in_reply_to_status_id", params["in_reply_to_id"])
+
+    if l > 0 && l < 5000 do
+      {:ok, activity} = TwitterAPI.create_status(user, params)
+      render conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity}
+    end
+  end
 end