Merge branch 'instance-profile-fields' into 'develop'

Add /api/v2/instance profile fields limits info used by Mastodon

See merge request pleroma/pleroma!4434

changelog.d/instance-profile-fields.add

@@ -0,0 +1 @@
+Add /api/v2/instance profile fields limits info used by Mastodon

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

@@ -342,6 +342,18 @@ defmodule Pleroma.Web.ApiSpec.InstanceOperation do
                 max_pinned_statuses: %Schema{
                   type: :integer,
                   description: "The maximum number of pinned statuses for each account."
+                },
+                max_profile_fields: %Schema{
+                  type: :integer,
+                  description: "The maximum number of custom profile fields allowed to be set."
+                },
+                profile_field_name_limit: %Schema{
+                  type: :integer,
+                  description: "The maximum size of a profile field name, in characters."
+                },
+                profile_field_value_limit: %Schema{
+                  type: :integer,
+                  description: "The maximum size of a profile field value, in characters."
                 }
               }
             },

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

@@ -303,6 +303,15 @@ defmodule Pleroma.Web.MastodonAPI.InstanceView do
   defp configuration2 do
     configuration()
     |> put_in([:accounts, :max_pinned_statuses], Config.get([:instance, :max_pinned_statuses], 0))
+    |> put_in([:accounts, :max_profile_fields], Config.get([:instance, :max_account_fields]))
+    |> put_in(
+      [:accounts, :profile_field_name_limit],
+      Config.get([:instance, :account_field_name_length])
+    )
+    |> put_in(
+      [:accounts, :profile_field_value_limit],
+      Config.get([:instance, :account_field_value_length])
+    )
     |> put_in([:statuses, :characters_reserved_per_url], 0)
     |> Map.merge(%{
       urls: %{