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template.service.ts
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224 lines (188 loc) · 7.74 KB
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import { InstanceDto } from '@api/dto/instance.dto';
import { TemplateDto } from '@api/dto/template.dto';
import { PrismaRepository } from '@api/repository/repository.service';
import { ConfigService, WaBusiness } from '@config/env.config';
import { Logger } from '@config/logger.config';
import axios from 'axios';
import { WAMonitoringService } from './monitor.service';
export class TemplateService {
constructor(
private readonly waMonitor: WAMonitoringService,
public readonly prismaRepository: PrismaRepository,
private readonly configService: ConfigService,
) {}
private readonly logger = new Logger('TemplateService');
private businessId: string;
private token: string;
public async find(instance: InstanceDto) {
const getInstance = await this.waMonitor.waInstances[instance.instanceName].instance;
if (!getInstance) {
throw new Error('Instance not found');
}
this.businessId = getInstance.businessId;
this.token = getInstance.token;
const response = await this.requestTemplate({}, 'GET');
if (!response) {
throw new Error('Error to create template');
}
return response.data;
}
public async create(instance: InstanceDto, data: TemplateDto) {
try {
const getInstance = await this.waMonitor.waInstances[instance.instanceName].instance;
if (!getInstance) {
throw new Error('Instance not found');
}
this.businessId = getInstance.businessId;
this.token = getInstance.token;
const postData = {
name: data.name,
category: data.category,
allow_category_change: data.allowCategoryChange,
language: data.language,
components: data.components,
};
const response = await this.requestTemplate(postData, 'POST');
if (!response || response.error) {
// If there's an error from WhatsApp API, throw it with the real error data
if (response && response.error) {
// Create an error object that includes the template field for Meta errors
const metaError = new Error(response.error.message || 'WhatsApp API Error');
(metaError as any).template = response.error;
throw metaError;
}
throw new Error('Error to create template');
}
const template = await this.prismaRepository.template.create({
data: {
templateId: response.id,
name: data.name,
template: response,
webhookUrl: data.webhookUrl,
instanceId: getInstance.id,
},
});
return template;
} catch (error) {
this.logger.error('Error in create template: ' + error);
// Propagate the real error instead of "engolindo" it
throw error;
}
}
public async edit(
instance: InstanceDto,
data: { templateId: string; category?: string; components?: any; allowCategoryChange?: boolean; ttl?: number },
) {
const getInstance = await this.waMonitor.waInstances[instance.instanceName].instance;
if (!getInstance) {
throw new Error('Instance not found');
}
this.businessId = getInstance.businessId;
this.token = getInstance.token;
const payload: Record<string, unknown> = {};
if (typeof data.category === 'string') payload.category = data.category;
if (typeof data.allowCategoryChange === 'boolean') payload.allow_category_change = data.allowCategoryChange;
if (typeof data.ttl === 'number') payload.time_to_live = data.ttl;
if (data.components) payload.components = data.components;
const response = await this.requestEditTemplate(data.templateId, payload);
if (!response || response.error) {
if (response && response.error) {
const metaError = new Error(response.error.message || 'WhatsApp API Error');
(metaError as any).template = response.error;
throw metaError;
}
throw new Error('Error to edit template');
}
return response;
}
public async delete(instance: InstanceDto, data: { name: string; hsmId?: string }) {
const getInstance = await this.waMonitor.waInstances[instance.instanceName].instance;
if (!getInstance) {
throw new Error('Instance not found');
}
this.businessId = getInstance.businessId;
this.token = getInstance.token;
const response = await this.requestDeleteTemplate({ name: data.name, hsm_id: data.hsmId });
if (!response || response.error) {
if (response && response.error) {
const metaError = new Error(response.error.message || 'WhatsApp API Error');
(metaError as any).template = response.error;
throw metaError;
}
throw new Error('Error to delete template');
}
try {
// Best-effort local cleanup of stored template metadata
await this.prismaRepository.template.deleteMany({
where: {
OR: [
{ name: data.name, instanceId: getInstance.id },
data.hsmId ? { templateId: data.hsmId, instanceId: getInstance.id } : undefined,
].filter(Boolean) as any,
},
});
} catch (err) {
this.logger.warn(
`Failed to cleanup local template records after delete: ${(err as Error)?.message || String(err)}`,
);
}
return response;
}
private async requestTemplate(data: any, method: string) {
try {
let urlServer = this.configService.get<WaBusiness>('WA_BUSINESS').URL;
const version = this.configService.get<WaBusiness>('WA_BUSINESS').VERSION;
urlServer = `${urlServer}/${version}/${this.businessId}/message_templates`;
const headers = { 'Content-Type': 'application/json', Authorization: `Bearer ${this.token}` };
if (method === 'GET') {
const result = await axios.get(urlServer, { headers });
return result.data;
} else if (method === 'POST') {
const result = await axios.post(urlServer, data, { headers });
return result.data;
}
} catch (e) {
this.logger.error(
'WhatsApp API request error: ' + (e.response?.data ? JSON.stringify(e.response?.data) : e.message),
);
// Return the complete error response from WhatsApp API
if (e.response?.data) {
return e.response.data;
}
// If no response data, throw connection error
throw new Error(`Connection error: ${e.message}`);
}
}
private async requestEditTemplate(templateId: string, data: any) {
try {
let urlServer = this.configService.get<WaBusiness>('WA_BUSINESS').URL;
const version = this.configService.get<WaBusiness>('WA_BUSINESS').VERSION;
urlServer = `${urlServer}/${version}/${templateId}`;
const headers = { 'Content-Type': 'application/json', Authorization: `Bearer ${this.token}` };
const result = await axios.post(urlServer, data, { headers });
return result.data;
} catch (e) {
this.logger.error(
'WhatsApp API request error: ' + (e.response?.data ? JSON.stringify(e.response?.data) : e.message),
);
if (e.response?.data) return e.response.data;
throw new Error(`Connection error: ${e.message}`);
}
}
private async requestDeleteTemplate(params: { name: string; hsm_id?: string }) {
try {
let urlServer = this.configService.get<WaBusiness>('WA_BUSINESS').URL;
const version = this.configService.get<WaBusiness>('WA_BUSINESS').VERSION;
urlServer = `${urlServer}/${version}/${this.businessId}/message_templates`;
const headers = { Authorization: `Bearer ${this.token}` };
const result = await axios.delete(urlServer, { headers, params });
return result.data;
} catch (e) {
this.logger.error(
'WhatsApp API request error: ' + (e.response?.data ? JSON.stringify(e.response?.data) : e.message),
);
if (e.response?.data) return e.response.data;
throw new Error(`Connection error: ${e.message}`);
}
}
}