Add frontend preference route

config/config.exs

@@ -745,6 +745,9 @@
   primary: %{"name" => "pleroma-fe", "ref" => "stable"},
   admin: %{"name" => "admin-fe", "ref" => "stable"},
   mastodon: %{"name" => "mastodon-fe", "ref" => "akkoma"},
+  pickable: [
+    "pleroma-fe/stable"
+  ],
   swagger: %{
     "name" => "swagger-ui",
     "ref" => "stable",

lib/pleroma/web/akkoma_api/controllers/frontend_settings_controller.ex

@@ -5,6 +5,16 @@ defmodule Pleroma.Web.AkkomaAPI.FrontendSettingsController do
   alias Pleroma.Akkoma.FrontendSettingsProfile
 
   @unauthenticated_access %{fallback: :proceed_unauthenticated, scopes: []}
+
+  plug(
+    OAuthScopesPlug,
+    @unauthenticated_access
+    when action in [
+           :available_frontends,
+           :update_preferred_frontend
+         ]
+  )
+
   plug(
     OAuthScopesPlug,
     %{@unauthenticated_access | scopes: ["read:accounts"]}
@@ -93,4 +103,22 @@ def update_profile(%{body_params: %{settings: settings, version: version}} = con
       |> json(profile.settings)
     end
   end
+
+  @doc "GET /api/v1/akkoma/preferred_frontend/available"
+  def available_frontends(conn, _params) do
+    available = Pleroma.Config.get([:frontends, :pickable])
+
+    conn
+    |> json(available)
+  end
+
+  @doc "PUT /api/v1/akkoma/preferred_frontend"
+  def update_preferred_frontend(
+        %{body_params: %{frontend_name: preferred_frontend}} = conn,
+        _params
+      ) do
+    conn
+    |> put_resp_cookie("preferred_frontend", preferred_frontend)
+    |> json(%{frontend_name: preferred_frontend})
+  end
 end

lib/pleroma/web/api_spec/operations/frontend_settings_operation.ex

@@ -12,7 +12,7 @@ def open_api_operation(action) do
   @spec list_profiles_operation() :: Operation.t()
   def list_profiles_operation() do
     %Operation{
-      tags: ["Retrieve frontend setting profiles"],
+      tags: ["Frontends"],
       summary: "Frontend Settings Profiles",
       description: "List frontend setting profiles",
       operationId: "AkkomaAPI.FrontendSettingsController.list_profiles",
@@ -37,7 +37,7 @@ def list_profiles_operation() do
   @spec get_profile_operation() :: Operation.t()
   def get_profile_operation() do
     %Operation{
-      tags: ["Retrieve frontend setting profile"],
+      tags: ["Frontends"],
       summary: "Frontend Settings Profile",
       description: "Get frontend setting profile",
       operationId: "AkkomaAPI.FrontendSettingsController.get_profile",
@@ -60,7 +60,7 @@ def get_profile_operation() do
   @spec delete_profile_operation() :: Operation.t()
   def delete_profile_operation() do
     %Operation{
-      tags: ["Delete frontend setting profile"],
+      tags: ["Frontends"],
       summary: "Delete frontend Settings Profile",
       description: "Delete  frontend setting profile",
       operationId: "AkkomaAPI.FrontendSettingsController.delete_profile",
@@ -76,7 +76,7 @@ def delete_profile_operation() do
   @spec update_profile_operation() :: Operation.t()
   def update_profile_operation() do
     %Operation{
-      tags: ["Update frontend setting profile"],
+      tags: ["Frontends"],
       summary: "Frontend Settings Profile",
       description: "Update frontend setting profile",
       operationId: "AkkomaAPI.FrontendSettingsController.update_profile_operation",
@@ -90,6 +90,57 @@ def update_profile_operation() do
     }
   end
 
+  def available_frontends_operation() do
+    %Operation{
+      tags: ["Frontends"],
+      summary: "Frontend Settings Profiles",
+      description: "List frontend setting profiles",
+      operationId: "AkkomaAPI.FrontendSettingsController.available_frontends",
+      responses: %{
+        200 =>
+          Operation.response("Frontends", "application/json", %Schema{
+            type: :array,
+            items: %Schema{
+              type: :string
+            }
+          })
+      }
+    }
+  end
+
+  def update_preferred_frontend_operation() do
+    %Operation{
+      tags: ["Frontends"],
+      summary: "Frontend Settings Profiles",
+      description: "List frontend setting profiles",
+      operationId: "AkkomaAPI.FrontendSettingsController.available_frontends",
+      requestBody:
+        request_body(
+          "Frontend",
+          %Schema{
+            type: :object,
+            required: [:frontend_name],
+            properties: %{
+              frontend_name: %Schema{
+                type: :string,
+                description: "Frontend name"
+              }
+            }
+          },
+          required: true
+        ),
+      responses: %{
+        200 =>
+          Operation.response("Frontends", "application/json", %Schema{
+            type: :array,
+            items: %Schema{
+              type: :string
+            }
+          })
+      }
+    }
+  end
+
   def frontend_name_param do
     Operation.parameter(:frontend_name, :path, :string, "Frontend name",
       example: "pleroma-fe",

lib/pleroma/web/router.ex

@@ -466,6 +466,22 @@ defmodule Pleroma.Web.Router do
     put("/statuses/:id/emoji_reactions/:emoji", EmojiReactionController, :create)
   end
 
+  scope "/api/v1/akkoma", Pleroma.Web.AkkomaAPI do
+    pipe_through(:api)
+
+    get(
+      "/api/v1/akkoma/preferred_frontend/available",
+      FrontendSettingsController,
+      :available_frontends
+    )
+
+    put(
+      "/api/v1/akkoma/preferred_frontend",
+      FrontendSettingsController,
+      :update_preferred_frontend
+    )
+  end
+
   scope "/api/v1/akkoma", Pleroma.Web.AkkomaAPI do
     pipe_through(:authenticated_api)
     get("/metrics", MetricsController, :show)