Merge branch 'configuration' into 'develop'

Add `configuration` field to /api/v1/instance

See merge request soapbox-pub/soapbox-be!98

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

@@ -141,6 +141,62 @@ defp instance do
           type: :string,
           format: :uri,
           description: "The background image for the website"
+        },
+        configuration: %Schema{
+          type: :object,
+          description: "Instance configuration",
+          properties: %{
+            statuses: %Schema{
+              type: :object,
+              description: "A map with poll limits for local statuses",
+              properties: %{
+                max_characters: %Schema{
+                  type: :integer,
+                  description: "Posts character limit (CW/Subject included in the counter)"
+                },
+                max_media_attachments: %Schema{
+                  type: :integer,
+                  description: "Media attachment limit"
+                }
+              }
+            },
+            media_attachments: %Schema{
+              type: :object,
+              description: "A map with poll limits for media attachments",
+              properties: %{
+                image_size_limit: %Schema{
+                  type: :integer,
+                  description: "File size limit of uploaded images"
+                },
+                video_size_limit: %Schema{
+                  type: :integer,
+                  description: "File size limit of uploaded videos"
+                }
+              }
+            },
+            polls: %Schema{
+              type: :object,
+              description: "A map with poll limits for local polls",
+              properties: %{
+                max_options: %Schema{
+                  type: :integer,
+                  description: "Maximum number of options."
+                },
+                max_characters_per_option: %Schema{
+                  type: :integer,
+                  description: "Maximum number of characters per option."
+                },
+                min_expiration: %Schema{
+                  type: :integer,
+                  description: "Minimum expiration time (in seconds)."
+                },
+                max_expiration: %Schema{
+                  type: :integer,
+                  description: "Maximum expiration time (in seconds)."
+                }
+              }
+            }
+          }
         }
       },
       example: %{

lib/pleroma/web/mastodon_api/views/instance_view.ex

@@ -55,6 +55,7 @@ def render("show.json", _) do
         stats: %{mau: Pleroma.User.active_user_count()},
         vapid_public_key: Keyword.get(Pleroma.Web.Push.vapid_config(), :public_key)
       },
+      configuration: configuration(),
       soapbox: %{
         version: Soapbox.version()
       }
@@ -156,4 +157,23 @@ def fields_limits do
       value_length: Config.get([:instance, :account_field_value_length])
     }
   end
+
+  def configuration do
+    %{
+      statuses: %{
+        max_characters: Config.get([:instance, :limit]),
+        max_media_attachments: Config.get([:instance, :max_media_attachments])
+      },
+      media_attachments: %{
+        image_size_limit: Config.get([:instance, :upload_limit]),
+        video_size_limit: Config.get([:instance, :upload_limit])
+      },
+      polls: %{
+        max_options: Config.get([:instance, :poll_limits, :max_options]),
+        max_characters_per_option: Config.get([:instance, :poll_limits, :max_option_chars]),
+        min_expiration: Config.get([:instance, :poll_limits, :min_expiration]),
+        max_expiration: Config.get([:instance, :poll_limits, :max_expiration])
+      }
+    }
+  end
 end

test/pleroma/web/mastodon_api/controllers/instance_controller_test.exs

@@ -108,4 +108,14 @@ test "get instance rules", %{conn: conn} do
 
     assert length(rules) == 3
   end
+
+  test "get instance configuration", %{conn: conn} do
+    clear_config([:instance, :limit], 476)
+
+    conn = get(conn, "/api/v1/instance")
+
+    assert result = json_response_and_validate_schema(conn, 200)
+
+    assert result["configuration"]["statuses"]["max_characters"] == 476
+  end
 end