added migration to copy existing DisplayFields to the new Presentable field

migrations/1692609521_copy_display_fields.go

@@ -0,0 +1,62 @@
+package migrations
+
+import (
+	"github.com/pocketbase/dbx"
+	"github.com/pocketbase/pocketbase/daos"
+	"github.com/pocketbase/pocketbase/models"
+	"github.com/pocketbase/pocketbase/models/schema"
+)
+
+// Copy the now deprecated RelationOptions.DisplayFields values from
+// all relation fields and register its value as Presentable under
+// the specific field in the related collection.
+//
+// If there is more than one relation to a single collection with explicitly
+// set DisplayFields only one of the configuration will be copied.
+func init() {
+	AppMigrations.Register(func(db dbx.Builder) error {
+		dao := daos.New(db)
+
+		collections := []*models.Collection{}
+		if err := dao.CollectionQuery().All(&collections); err != nil {
+			return err
+		}
+
+		indexedCollections := make(map[string]*models.Collection, len(collections))
+		for _, collection := range collections {
+			indexedCollections[collection.Id] = collection
+		}
+
+		for _, collection := range indexedCollections {
+			for _, f := range collection.Schema.Fields() {
+				if f.Type != schema.FieldTypeRelation {
+					continue
+				}
+
+				options, ok := f.Options.(*schema.RelationOptions)
+				if !ok || len(options.DisplayFields) == 0 {
+					continue
+				}
+
+				relCollection, ok := indexedCollections[options.CollectionId]
+				if !ok {
+					continue
+				}
+
+				for _, name := range options.DisplayFields {
+					relField := relCollection.Schema.GetFieldByName(name)
+					if relField != nil {
+						relField.Presentable = true
+					}
+				}
+
+				// only raw model save
+				if err := dao.Save(relCollection); err != nil {
+					return err
+				}
+			}
+		}
+
+		return nil
+	}, nil)
+}