feat(server): user metadata (#9650)

* feat(server): user metadata

* add missing method to user mock

* update migration to include cascades

* update sql files

* test: fix e2e

* chore: clean up

---------

Co-authored-by: Daniel Dietzler <mail@ddietzler.dev>

server/src/utils/preferences.ts

@@ -0,0 +1,39 @@
+import _ from 'lodash';
+import { UserMetadataKey, UserPreferences, getDefaultPreferences } from 'src/entities/user-metadata.entity';
+import { UserEntity } from 'src/entities/user.entity';
+import { getKeysDeep } from 'src/utils/misc';
+import { DeepPartial } from 'typeorm';
+
+export const getPreferences = (user: UserEntity) => {
+  const preferences = getDefaultPreferences(user);
+  if (!user.metadata) {
+    return preferences;
+  }
+
+  const item = user.metadata.find(({ key }) => key === UserMetadataKey.PREFERENCES);
+  const partial = item?.value || {};
+  for (const property of getKeysDeep(partial)) {
+    _.set(preferences, property, _.get(partial, property));
+  }
+
+  return preferences;
+};
+
+export const getPreferencesPartial = (user: { email: string }, newPreferences: UserPreferences) => {
+  const defaultPreferences = getDefaultPreferences(user);
+  const partial: DeepPartial<UserPreferences> = {};
+  for (const property of getKeysDeep(defaultPreferences)) {
+    const newValue = _.get(newPreferences, property);
+    const isEmpty = newValue === undefined || newValue === null || newValue === '';
+    const defaultValue = _.get(defaultPreferences, property);
+    const isEqual = newValue === defaultValue || _.isEqual(newValue, defaultValue);
+
+    if (isEmpty || isEqual) {
+      continue;
+    }
+
+    _.set(partial, property, newValue);
+  }
+
+  return partial;
+};