86 lines
3.1 KiB
TypeScript
86 lines
3.1 KiB
TypeScript
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import { Injectable } from '@nestjs/common';
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import { WhatsappConfigRepository } from './repositories/whatsapp-config.repository';
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interface WhatsappConfig {
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access_token: string | null;
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phone_number_id: string | null;
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api_version: string;
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webhook_token: string | null;
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}
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@Injectable()
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export class WhatsappConfigService {
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private _cache: { config: WhatsappConfig; expiresAt: number } | null = null;
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private readonly CACHE_TTL_MS = 60_000;
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constructor(private readonly repo: WhatsappConfigRepository) {}
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async getConfig(): Promise<WhatsappConfig> {
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if (this._cache && Date.now() < this._cache.expiresAt) {
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return this._cache.config;
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}
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const row = await this.repo.find();
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const config: WhatsappConfig = {
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access_token: row?.access_token || process.env.META_ACCESS_TOKEN || null,
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phone_number_id: row?.phone_number_id || process.env.META_PHONE_NUMBER_ID || null,
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api_version: row?.api_version || process.env.META_API_VERSION || 'v25.0',
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webhook_token: row?.webhook_token || process.env.META_WEBHOOK_TOKEN || null,
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};
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this._cache = { config, expiresAt: Date.now() + this.CACHE_TTL_MS };
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return config;
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}
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async getPublicConfig() {
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const row = await this.repo.find();
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const effectiveToken = row?.access_token || process.env.META_ACCESS_TOKEN;
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const effectivePhoneId = row?.phone_number_id || process.env.META_PHONE_NUMBER_ID;
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return {
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phone_number_id: effectivePhoneId || null,
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api_version: row?.api_version || process.env.META_API_VERSION || 'v25.0',
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webhook_token: row?.webhook_token || process.env.META_WEBHOOK_TOKEN || null,
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is_configured: !!(effectiveToken && effectivePhoneId),
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has_token: !!effectiveToken,
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token_source: row?.access_token ? 'database' : effectiveToken ? 'env' : null,
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updated_at: row?.updated_at || null,
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};
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}
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async saveConfig(
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dto: { access_token?: string; phone_number_id?: string; api_version?: string; webhook_token?: string },
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userId?: number,
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) {
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this._cache = null;
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await this.repo.update({
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access_token: dto.access_token || null,
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phone_number_id: dto.phone_number_id || null,
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api_version: dto.api_version || null,
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webhook_token: dto.webhook_token || null,
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updated_by: userId,
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});
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return this.getPublicConfig();
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}
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async validateCredentials(token: string, phoneNumberId: string, apiVersion = 'v25.0') {
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const url = `https://graph.facebook.com/${apiVersion}/${phoneNumberId}?access_token=${token}&fields=display_phone_number,verified_name,quality_rating`;
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try {
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const response = await fetch(url);
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const data = (await response.json()) as any;
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if (!response.ok) {
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return {
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valid: false,
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error: data?.error?.message || 'Credenciais inválidas',
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code: data?.error?.code,
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};
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}
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return {
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valid: true,
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phone_number: data.display_phone_number,
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verified_name: data.verified_name,
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quality_rating: data.quality_rating,
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};
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} catch {
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return { valid: false, error: 'Erro de conexão com a Meta API' };
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}
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}
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}
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