Refactor posting and make character limit configurable.
[akkoma] / lib / pleroma / web / mastodon_api / mastodon_api_controller.ex
index 16ee434c6443ae849422e1f9ca93602f66388610..8b794fb61587a3e27bb828853b497973a54ae22b 100644 (file)
@@ -1,12 +1,13 @@
 defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   use Pleroma.Web, :controller
-  alias Pleroma.{Repo, Activity, User}
+  alias Pleroma.{Repo, Activity, User, Notification}
   alias Pleroma.Web.OAuth.App
   alias Pleroma.Web
   alias Pleroma.Web.MastodonAPI.{StatusView, AccountView}
   alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.TwitterAPI.TwitterAPI
   alias Pleroma.Web.CommonAPI
+  import Ecto.Query
   import Logger
 
   def create_app(conn, params) do
@@ -27,21 +28,61 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     json(conn, account)
   end
 
+  def user(conn, %{"id" => id}) do
+    with %User{} = user <- Repo.get(User, id) do
+      account = AccountView.render("account.json", %{user: user})
+      json(conn, account)
+    else
+      _e -> conn
+      |> put_status(404)
+      |> json(%{error: "Can't find user"})
+    end
+  end
+
+  @instance Application.get_env(:pleroma, :instance)
+
   def masto_instance(conn, _params) do
     response = %{
       uri: Web.base_url,
-      title: Web.base_url,
+      title: Keyword.get(@instance, :name),
       description: "A Pleroma instance, an alternative fediverse server",
-      version: "Pleroma Dev"
+      version: Keyword.get(@instance, :version),
+      email: Keyword.get(@instance, :email),
+      urls: %{
+        streaming_api: String.replace(Web.base_url, ["http","https"], "wss")
+      },
+      stats: %{
+        user_count: 1,
+        status_count: 2,
+        domain_count: 3
+      }
     }
 
     json(conn, response)
   end
 
+  defp add_link_headers(conn, method, activities) do
+    last = List.last(activities)
+    first = List.first(activities)
+    if last do
+      min = last.id
+      max = first.id
+      next_url = mastodon_api_url(Pleroma.Web.Endpoint, method, max_id: min)
+      prev_url = mastodon_api_url(Pleroma.Web.Endpoint, method, since_id: max)
+      conn
+      |> put_resp_header("link", "<#{next_url}>; rel=\"next\", <#{prev_url}>; rel=\"prev\"")
+    else
+      conn
+    end
+  end
+
   def home_timeline(%{assigns: %{user: user}} = conn, params) do
     activities = ActivityPub.fetch_activities([user.ap_id | user.following], Map.put(params, "type", "Create"))
     |> Enum.reverse
-    render conn, StatusView, "index.json", %{activities: activities, for: user, as: :activity}
+
+    conn
+    |> add_link_headers(:home_timeline, activities)
+    |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
   end
 
   def public_timeline(%{assigns: %{user: user}} = conn, params) do
@@ -52,9 +93,12 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     activities = ActivityPub.fetch_public_activities(params)
     |> Enum.reverse
 
-    render conn, StatusView, "index.json", %{activities: activities, for: user, as: :activity}
+    conn
+    |> add_link_headers(:public_timeline, activities)
+    |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
   end
 
+  # TODO: Link headers
   def user_statuses(%{assigns: %{user: user}} = conn, params) do
     with %User{ap_id: ap_id} <- Repo.get(User, params["id"]) do
       params = params
@@ -89,15 +133,11 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   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
+    {:ok, activity} = CommonAPI.post(user, params)
+    render conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity}
   end
 
   def delete_status(%{assigns: %{user: user}} = conn, %{"id" => id}) do
@@ -132,6 +172,128 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     end
   end
 
+  def notifications(%{assigns: %{user: user}} = conn, params) do
+    notifications = Notification.for_user(user, params)
+    result = Enum.map(notifications, fn (%{id: id, activity: activity, inserted_at: created_at}) ->
+      actor = User.get_cached_by_ap_id(activity.data["actor"])
+      created_at = NaiveDateTime.to_iso8601(created_at)
+      |> String.replace(~r/(\.\d+)?$/, ".000Z", global: false)
+      case activity.data["type"] do
+        "Create" ->
+          %{id: id, type: "mention", created_at: created_at, account: AccountView.render("account.json", %{user: actor}), status: StatusView.render("status.json", %{activity: activity})}
+        "Like" ->
+          liked_activity = Activity.get_create_activity_by_object_ap_id(activity.data["object"])
+          %{id: id, type: "favourite", created_at: created_at, account: AccountView.render("account.json", %{user: actor}), status: StatusView.render("status.json", %{activity: liked_activity})}
+        "Announce" ->
+          announced_activity = Activity.get_create_activity_by_object_ap_id(activity.data["object"])
+          %{id: id, type: "reblog", created_at: created_at, account: AccountView.render("account.json", %{user: actor}), status: StatusView.render("status.json", %{activity: announced_activity})}
+        "Follow" ->
+          %{id: id, type: "follow", created_at: created_at, account: AccountView.render("account.json", %{user: actor})}
+        _ -> nil
+      end
+    end)
+    |> Enum.filter(&(&1))
+
+    conn
+    |> add_link_headers(:notifications, notifications)
+    |> json(result)
+  end
+
+  def relationships(%{assigns: %{user: user}} = conn, %{"id" => id}) do
+    id = List.wrap(id)
+    q = from u in User,
+      where: u.id in ^id
+    targets = Repo.all(q)
+    render conn, AccountView, "relationships.json", %{user: user, targets: targets}
+  end
+
+  def upload(%{assigns: %{user: user}} = conn, %{"file" => file}) do
+    with {:ok, object} <- ActivityPub.upload(file) do
+      data = object.data
+      |> Map.put("id", object.id)
+
+      render conn, StatusView, "attachment.json", %{attachment: data}
+    end
+  end
+
+  def favourited_by(conn, %{"id" => id}) do
+    with %Activity{data: %{"object" => %{"likes" => likes} = data}} <- Repo.get(Activity, id) do
+      q = from u in User,
+        where: u.ap_id in ^likes
+      users = Repo.all(q)
+      render conn, AccountView, "accounts.json", %{users: users, as: :user}
+    else
+      _ -> json(conn, [])
+    end
+  end
+
+  def reblogged_by(conn, %{"id" => id}) do
+    with %Activity{data: %{"object" => %{"announcements" => announces}}} <- Repo.get(Activity, id) do
+      q = from u in User,
+        where: u.ap_id in ^announces
+      users = Repo.all(q)
+      render conn, AccountView, "accounts.json", %{users: users, as: :user}
+    else
+      _ -> json(conn, [])
+    end
+  end
+
+  # TODO: Link headers
+  def hashtag_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)
+    |> Enum.reverse
+
+    conn
+    |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
+  end
+
+  # TODO: Pagination
+  def followers(conn, %{"id" => id}) do
+    with %User{} = user <- Repo.get(User, id),
+         {:ok, followers} <- User.get_followers(user) do
+      render conn, AccountView, "accounts.json", %{users: followers, as: :user}
+    end
+  end
+
+  def following(conn, %{"id" => id}) do
+    with %User{} = user <- Repo.get(User, id),
+         {:ok, followers} <- User.get_friends(user) do
+      render conn, AccountView, "accounts.json", %{users: followers, as: :user}
+    end
+  end
+
+  def follow(%{assigns: %{user: follower}} = conn, %{"id" => id}) do
+    with %User{} = followed <- Repo.get(User, id),
+       {:ok, follower} <- User.follow(follower, followed),
+       {:ok, activity} <- ActivityPub.follow(follower, followed) do
+      render conn, AccountView, "relationship.json", %{user: follower, target: followed}
+    end
+  end
+
+  # TODO: Clean up and unify
+  def unfollow(%{assigns: %{user: follower}} = conn, %{"id" => id}) do
+    with %User{} = followed <- Repo.get(User, id),
+         { :ok, follower, follow_activity } <- User.unfollow(follower, followed),
+         { :ok, _activity } <- ActivityPub.insert(%{
+           "type" => "Undo",
+           "actor" => follower.ap_id,
+           "object" => follow_activity.data["id"] # get latest Follow for these users
+         }) do
+      render conn, AccountView, "relationship.json", %{user: follower, target: followed}
+    end
+  end
+
+  def relationship_noop(%{assigns: %{user: user}} = conn, %{"id" => id}) do
+    Logger.debug("Unimplemented, returning unmodified relationship")
+    with %User{} = target <- Repo.get(User, id) do
+      render conn, AccountView, "relationship.json", %{user: user, target: target}
+    end
+  end
+
   def empty_array(conn, _) do
     Logger.debug("Unimplemented, returning an empty array")
     json(conn, [])