refactor(core): Convert OAuth1/OAuth2 routes to decorated controller classes (no-changelog) (#5973)

packages/cli/src/databases/repositories/sharedCredentials.repository.ts

@@ -1,10 +1,24 @@
 import { Service } from 'typedi';
 import { DataSource, Repository } from 'typeorm';
 import { SharedCredentials } from '../entities/SharedCredentials';
+import type { User } from '../entities/User';
 
 @Service()
 export class SharedCredentialsRepository extends Repository<SharedCredentials> {
 	constructor(dataSource: DataSource) {
 		super(SharedCredentials, dataSource.manager);
 	}
+
+	/** Get a credential if it has been shared with a user */
+	async findCredentialForUser(credentialsId: string, user: User) {
+		const sharedCredential = await this.findOne({
+			relations: ['credentials'],
+			where: {
+				credentialsId,
+				...(!user.isOwner ? { userId: user.id } : {}),
+			},
+		});
+		if (!sharedCredential) return null;
+		return sharedCredential.credentials;
+	}
 }