feat: add Flickr as a connection

packages/backend/src/apps/flickr/index.ts

@@ -0,0 +1,46 @@
+import FlickrApi from 'flickr-sdk';
+import App from '../../models/app';
+import Field from '../../types/field';
+
+export default class Flickr {
+  client: any
+  connectionData: any
+  appData: any
+
+  constructor(connectionData: any) {
+    this.client = new FlickrApi.OAuth(connectionData.consumerKey, connectionData.consumerSecret);
+
+    this.connectionData = connectionData;
+    this.appData = App.findOneByKey('flickr');
+  }
+
+  async createAuthLink() {
+    const appFields = this.appData.fields.find((field: Field) => field.key == 'oAuthRedirectUrl')
+    const callbackUrl = appFields.value;
+
+    const oauthData = (await this.client.request(callbackUrl)).body;
+    const url = await this.client.authorizeUrl(oauthData.oauth_token, 'delete');
+
+    return {
+      ...oauthData,
+      url,
+    };
+  }
+
+  async verifyCredentials() {
+    const verifiedCredentials = (await this.client.verify(
+      this.connectionData.accessToken,
+      this.connectionData.oauthVerifier,
+      this.connectionData.accessSecret
+    )).body;
+
+    return {
+      consumerKey: this.connectionData.consumerKey,
+      consumerSecret: this.connectionData.consumerSecret,
+      accessToken: verifiedCredentials.oauth_token,
+      accessSecret: verifiedCredentials.oauth_token_secret,
+      userId: verifiedCredentials.user_nsid,
+      screenName: verifiedCredentials.fullname
+    }
+  }
+}