refactor(user): lazy-load relations

Signed-off-by: David Mehren <git@herrmehren.de>

src/auth/auth.service.spec.ts

@@ -174,7 +174,7 @@ describe('AuthService', () => {
         .digest('hex');
       jest.spyOn(userRepo, 'findOne').mockResolvedValueOnce({
         ...user,
-        authTokens: [authToken],
+        authTokens: Promise.resolve([authToken]),
       });
       jest.spyOn(authTokenRepo, 'findOne').mockResolvedValue({
         ...authToken,
@@ -191,7 +191,7 @@ describe('AuthService', () => {
       );
       expect(userByToken).toEqual({
         ...user,
-        authTokens: [authToken],
+        authTokens: Promise.resolve([authToken]),
       });
     });
     describe('fails:', () => {

src/auth/auth.service.ts

@@ -58,9 +58,9 @@ export class AuthService {
     identifier: string,
     validUntil: TimestampMillis,
   ): Promise<AuthTokenWithSecretDto> {
-    user.authTokens = await this.getTokensByUser(user);
+    user.authTokens = this.getTokensByUser(user);
 
-    if (user.authTokens.length >= 200) {
+    if ((await user.authTokens).length >= 200) {
       // This is a very high ceiling unlikely to hinder legitimate usage,
       // but should prevent possible attack vectors
       throw new TooManyTokensError(

src/seed.ts

@@ -78,7 +78,7 @@ createConnection({
       notes[i].revisions = Promise.all([revision]);
       notes[i].userPermissions = Promise.resolve([]);
       notes[i].groupPermissions = Promise.resolve([]);
-      user.ownedNotes = [notes[i]];
+      user.ownedNotes = Promise.resolve([notes[i]]);
       await connection.manager.save([
         notes[i],
         user,

src/users/user.entity.ts

@@ -53,25 +53,25 @@ export class User {
   email: string | null;
 
   @OneToMany((_) => Note, (note) => note.owner)
-  ownedNotes: Note[];
+  ownedNotes: Promise<Note[]>;
 
   @OneToMany((_) => AuthToken, (authToken) => authToken.user)
-  authTokens: AuthToken[];
+  authTokens: Promise<AuthToken[]>;
 
   @OneToMany((_) => Identity, (identity) => identity.user)
   identities: Promise<Identity[]>;
 
   @ManyToMany((_) => Group, (group) => group.members)
-  groups: Group[];
+  groups: Promise<Group[]>;
 
   @OneToMany((_) => HistoryEntry, (historyEntry) => historyEntry.user)
-  historyEntries: HistoryEntry[];
+  historyEntries: Promise<HistoryEntry[]>;
 
   @OneToMany((_) => MediaUpload, (mediaUpload) => mediaUpload.user)
-  mediaUploads: MediaUpload[];
+  mediaUploads: Promise<MediaUpload[]>;
 
   @OneToMany(() => Author, (author) => author.user)
-  authors: Author[];
+  authors: Promise<Author[]>;
 
   // eslint-disable-next-line @typescript-eslint/no-empty-function
   private constructor() {}
@@ -85,13 +85,13 @@ export class User {
     newUser.displayName = displayName;
     newUser.photo = null;
     newUser.email = null;
-    newUser.ownedNotes = [];
-    newUser.authTokens = [];
+    newUser.ownedNotes = Promise.resolve([]);
+    newUser.authTokens = Promise.resolve([]);
     newUser.identities = Promise.resolve([]);
-    newUser.groups = [];
-    newUser.historyEntries = [];
-    newUser.mediaUploads = [];
-    newUser.authors = [];
+    newUser.groups = Promise.resolve([]);
+    newUser.historyEntries = Promise.resolve([]);
+    newUser.mediaUploads = Promise.resolve([]);
+    newUser.authors = Promise.resolve([]);
     return newUser;
   }
 }