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Refactor GoogleService: streamline token handling and improve comments

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MOHAN 2026-07-15 21:08:06 +05:30
parent 4a37d5befb
commit bfe489d920
1 changed files with 8 additions and 9 deletions
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17
src/google/google.service.ts
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@ -1,6 +1,5 @@
import { BadRequestException, Injectable, Logger } from "@nestjs/common"; import { BadRequestException, Injectable, Logger } from "@nestjs/common";
import { google } from "googleapis"; import { google } from "googleapis";
import { Credentials } from "google-auth-library";
import { PrismaService } from "../prisma/prisma.service"; import { PrismaService } from "../prisma/prisma.service";
const SCOPES = [ const SCOPES = [
@ -31,19 +30,18 @@ export class GoogleService {
const authUrl = client.generateAuthUrl({ const authUrl = client.generateAuthUrl({
access_type: "offline", access_type: "offline",
scope: SCOPES, scope: SCOPES,
prompt: "consent", prompt: "consent", // always request a refresh_token
state: userId, state: userId, // passed back in callback to identify the user
}); });
return { authUrl }; return { authUrl };
} }
async exchangeCode(userId: string, code: string) { async exchangeCode(userId: string, code: string) {
const client = this.createClient(); const client = this.createClient();
let tokens: Credentials; let tokens: import("google-auth-library").Credentials;
try { try {
const { tokens: t } = await client.getToken(code); const result = await client.getToken(code);
tokens = t; tokens = result.tokens;
} catch { } catch {
throw new BadRequestException("Invalid or expired authorization code."); throw new BadRequestException("Invalid or expired authorization code.");
} }
@ -54,6 +52,7 @@ export class GoogleService {
); );
} }
// Fetch the Google account email
client.setCredentials(tokens); client.setCredentials(tokens);
const oauth2 = google.oauth2({ version: "v2", auth: client }); const oauth2 = google.oauth2({ version: "v2", auth: client });
const { data } = await oauth2.userinfo.get(); const { data } = await oauth2.userinfo.get();
@ -67,7 +66,7 @@ export class GoogleService {
accessToken: tokens.access_token ?? null, accessToken: tokens.access_token ?? null,
isConnected: true, isConnected: true,
connectedAt: new Date(), connectedAt: new Date(),
spreadsheetId: null, spreadsheetId: null, // reset so a new spreadsheet is created on next export
}, },
create: { create: {
userId, userId,
@ -92,4 +91,4 @@ export class GoogleService {
if (!gc || !gc.isConnected) return { connected: false }; if (!gc || !gc.isConnected) return { connected: false };
return { connected: true, googleEmail: gc.googleEmail, connectedAt: gc.connectedAt }; return { connected: true, googleEmail: gc.googleEmail, connectedAt: gc.connectedAt };
} }
} }