Refactor backend folder structure (#4505)

* Refactor backend folder structure

Co-authored-by: Charles Bochet <charles@twenty.com>

* fix tests

* fix

* move yoga hooks

---------

Co-authored-by: Charles Bochet <charles@twenty.com>

packages/twenty-server/src/modules/connected-account/services/google-apis-refresh-access-token.service.ts

@@ -0,0 +1,65 @@
+import { Injectable } from '@nestjs/common';
+
+import axios from 'axios';
+
+import { EnvironmentService } from 'src/engine/integrations/environment/environment.service';
+import { ConnectedAccountService } from 'src/modules/connected-account/repositories/connected-account/connected-account.service';
+
+@Injectable()
+export class GoogleAPIsRefreshAccessTokenService {
+  constructor(
+    private readonly environmentService: EnvironmentService,
+    private readonly connectedAccountService: ConnectedAccountService,
+  ) {}
+
+  async refreshAndSaveAccessToken(
+    workspaceId: string,
+    connectedAccountId: string,
+  ): Promise<void> {
+    const connectedAccount = await this.connectedAccountService.getById(
+      connectedAccountId,
+      workspaceId,
+    );
+
+    if (!connectedAccount) {
+      throw new Error(
+        `No connected account found for ${connectedAccountId} in workspace ${workspaceId}`,
+      );
+    }
+
+    const refreshToken = connectedAccount.refreshToken;
+
+    if (!refreshToken) {
+      throw new Error(
+        `No refresh token found for connected account ${connectedAccountId} in workspace ${workspaceId}`,
+      );
+    }
+
+    const accessToken = await this.refreshAccessToken(refreshToken);
+
+    await this.connectedAccountService.updateAccessToken(
+      accessToken,
+      connectedAccountId,
+      workspaceId,
+    );
+  }
+
+  async refreshAccessToken(refreshToken: string): Promise<string> {
+    const response = await axios.post(
+      'https://oauth2.googleapis.com/token',
+      {
+        client_id: this.environmentService.get('AUTH_GOOGLE_CLIENT_ID'),
+        client_secret: this.environmentService.get('AUTH_GOOGLE_CLIENT_SECRET'),
+        refresh_token: refreshToken,
+        grant_type: 'refresh_token',
+      },
+      {
+        headers: {
+          'Content-Type': 'application/json',
+        },
+      },
+    );
+
+    return response.data.access_token;
+  }
+}