[MastoAPI] Add switching of frontend flavours

docs/Pleroma-API.md

@@ -94,3 +94,17 @@ Request parameters can be passed via [query strings](https://en.wikipedia.org/wi
 
 ## `/api/pleroma/admin/`…
 See [Admin-API](Admin-API.md)
+
+## `/api/v1/pleroma/flavour/:flavour`
+* Method `POST`
+* Authentication: required
+* Response: JSON string. Returns the user flavour or the default one on success, otherwise returns `{"error": "error_msg"}`
+* Example response: "glitch"
+* Note: This is intended to be used only by mastofe
+
+## `/api/v1/pleroma/flavour`
+* Method `GET`
+* Authentication: required
+* Response: JSON string. Returns the user flavour or the default one.
+* Example response: "glitch"
+* Note: This is intended to be used only by mastofe

lib/pleroma/user/info.ex

@@ -34,6 +34,7 @@ defmodule Pleroma.User.Info do
     field(:hide_followers, :boolean, default: false)
     field(:hide_follows, :boolean, default: false)
     field(:pinned_activities, {:array, :string}, default: [])
+    field(:flavour, :string, default: nil)
 
     # Found in the wild
     # ap_id -> Where is this used?
@@ -186,6 +187,14 @@ def mastodon_settings_update(info, settings) do
     |> validate_required([:settings])
   end
 
+  def mastodon_flavour_update(info, flavour) do
+    params = %{flavour: flavour}
+
+    info
+    |> cast(params, [:flavour])
+    |> validate_required([:flavour])
+  end
+
   def set_source_data(info, source_data) do
     params = %{source_data: source_data}
 

lib/pleroma/web/mastodon_api/mastodon_api_controller.ex

@@ -1051,6 +1051,8 @@ def index(%{assigns: %{user: user}} = conn, _params) do
       accounts =
         Map.put(%{}, user.id, AccountView.render("account.json", %{user: user, for: user}))
 
+      flavour = get_user_flavour(user)
+
       initial_state =
         %{
           meta: %{
@@ -1135,7 +1137,7 @@ def index(%{assigns: %{user: user}} = conn, _params) do
       conn
       |> put_layout(false)
       |> put_view(MastodonView)
-      |> render("index.html", %{initial_state: initial_state})
+      |> render("index.html", %{initial_state: initial_state, flavour: flavour})
     else
       conn
       |> redirect(to: "/web/login")
@@ -1157,6 +1159,43 @@ def put_settings(%{assigns: %{user: user}} = conn, %{"data" => settings} = _para
     end
   end
 
+  @supported_flavours ["glitch", "vanilla"]
+
+  def set_flavour(%{assigns: %{user: user}} = conn, %{"flavour" => flavour} = _params)
+      when flavour in @supported_flavours do
+    flavour_cng = User.Info.mastodon_flavour_update(user.info, flavour)
+
+    with changeset <- Ecto.Changeset.change(user),
+         changeset <- Ecto.Changeset.put_embed(changeset, :info, flavour_cng),
+         {:ok, user} <- User.update_and_set_cache(changeset),
+         flavour <- user.info.flavour do
+      json(conn, flavour)
+    else
+      e ->
+        conn
+        |> put_resp_content_type("application/json")
+        |> send_resp(500, Jason.encode!(%{"error" => inspect(e)}))
+    end
+  end
+
+  def set_flavour(conn, _params) do
+    conn
+    |> put_status(400)
+    |> json(%{error: "Unsupported flavour"})
+  end
+
+  def get_flavour(%{assigns: %{user: user}} = conn, _params) do
+    json(conn, get_user_flavour(user))
+  end
+
+  defp get_user_flavour(%User{info: %{flavour: flavour}}) when flavour in @supported_flavours do
+    flavour
+  end
+
+  defp get_user_flavour(_) do
+    "glitch"
+  end
+
   def login(conn, %{"code" => code}) do
     with {:ok, app} <- get_or_make_app(),
          %Authorization{} = auth <- Repo.get_by(Authorization, token: code, app_id: app.id),

lib/pleroma/web/router.ex

@@ -236,6 +236,9 @@ defmodule Pleroma.Web.Router do
     get("/suggestions", MastodonAPIController, :suggestions)
 
     get("/endorsements", MastodonAPIController, :empty_array)
+
+    post("/pleroma/flavour/:flavour", MastodonAPIController, :set_flavour)
+    get("/pleroma/flavour", MastodonAPIController, :get_flavour)
   end
 
   scope "/api/web", Pleroma.Web.MastodonAPI do

lib/pleroma/web/templates/mastodon_api/mastodon/index.html.eex

@@ -8,7 +8,7 @@
 </title>
 <link rel="icon" type="image/png" href="/favicon.png"/>
 <script crossorigin='anonymous' src="/packs/locales.js"></script>
-<script crossorigin='anonymous' src="/packs/locales/glitch/en.js"></script>
+<script crossorigin='anonymous' src="/packs/locales/<%= @flavour %>/en.js"></script>
 
 <link rel='preload' as='script' crossorigin='anonymous' href='/packs/features/getting_started.js'>
 <link rel='preload' as='script' crossorigin='anonymous' href='/packs/features/compose.js'>
@@ -19,10 +19,10 @@
 <script src="/packs/core/common.js"></script>
 <link rel="stylesheet" media="all" href="/packs/core/common.css" />
 
-<script src="/packs/flavours/glitch/common.js"></script>
-<link rel="stylesheet" media="all" href="/packs/flavours/glitch/common.css" />
+<script src="/packs/flavours/<%= @flavour %>/common.js"></script>
+<link rel="stylesheet" media="all" href="/packs/flavours/<%= @flavour %>/common.css" />
 
-<script src="/packs/flavours/glitch/home.js"></script>
+<script src="/packs/flavours/<%= @flavour %>/home.js"></script>
 </head>
 <body class='app-body no-reduce-motion system-font'>
   <div class='app-holder' data-props='{&quot;locale&quot;:&quot;en&quot;}' id='mastodon'>