Cdog Integration

PDF changes/improvement

Author: Brijesh

.gitignore

@@ -18,6 +18,7 @@ schemaspy
 import
 public/doc
 sonar-runner/build
+sonar-runner/.gradle
 
 # Autogenerated document location. See npm scripts.
 apidoc

planTemplate.docx

@@ -0,0 +1,86 @@
+import { errorWithCode, logger } from '@bcgov/nodejs-common-utils';
+import axios from "axios";
+import fs from 'fs';
+
+export class Cdogs {
+
+  constructor(authenticaitonURL = process.env.CDOGS_AUTHENTICATION_URL,
+    serviceURL = process.env.CDOGS_SERVICE_URL,
+    clientId = process.env.CDOGS_CLIENT_ID,
+    clientSecret = process.env.CDOGS_CLIENT_SECRET,
+    enabled = process.env.CDOGS_ENABLED) {
+    this.authenticationURL = authenticaitonURL;
+    this.serviceURL = serviceURL;
+    this.clientId = clientId;
+    this.clientSecret = clientSecret;
+    this.enabled = enabled;
+  }
+
+  async init() {
+    this.template = {
+      encodingType: 'base64',
+      fileType: 'docx',
+      content: await this.readTemplate()
+    }
+    this.options = {
+      cacheReport: false,
+      convertTo: "pdf",
+      overwrite: true,
+    }
+  }
+
+  async getBearerToken() {
+    const tokenEndpoint = `${this.authenticationURL}/auth/realms/comsvcauth/protocol/openid-connect/token`
+    const credentials = Buffer.from(`${this.clientId}:${this.clientSecret}`).toString('base64')
+    try {
+      const response = await axios.post(tokenEndpoint, 'grant_type=client_credentials', {
+        headers: {
+          'Authorization': `Basic ${credentials}`,
+          'Content-Type': 'application/x-www-form-urlencoded',
+        }
+      });
+      logger.debug("Bearer token retrieved")
+      return response.data.access_token
+    }
+    catch (error) {
+      logger.error(`Failed to retrieve bearer token: ${JSON.stringify(error)}`)
+      throw errorWithCode('Failed to retrieve bearer token' + JSON.stringify(error), 500)
+    }
+  }
+
+  async generatePDF(planData) {
+    if (!eval(this.enabled))
+      return;
+    const serviceURL = `${this.serviceURL}/api/v2/template/render`
+    try {
+      const token = await this.getBearerToken()
+      const payload = {
+        data: planData,
+        options: { ...this.options, 'reportName': planData.agreementId + '.pdf' },
+        template: this.template
+      }
+      const response = await axios.post(serviceURL, JSON.stringify(payload), {
+        timeout: 20000,
+        responseType: 'arraybuffer',
+        headers: {
+          Authorization: `Bearer ${token}`,
+          'Content-Type': 'application/json',
+        },
+      });
+      return response.data
+    } catch (error) {
+      logger.error(`Error generating PDF file: ${JSON.stringify(error)}`)
+      throw errorWithCode(`Error generating PDF file: ${JSON.stringify(error)} ${JSON.stringify(error)}`, 500)
+    }
+  }
+
+  async readTemplate(template = './planTemplate.docx') {
+    try {
+      const data = fs.readFileSync(template);
+      return Buffer.from(data).toString('base64');
+    } catch (error) {
+      logger.error(`Error reading template file ${template}: ${JSON.stringify(error)}`)
+      throw errorWithCode(`Error reading template file ${template}: ${JSON.stringify(error)}`, 500)
+    }
+  }
+}

src/libs/cdogs.js

@@ -37,7 +37,7 @@ export class Mailer {
     try {
       const token = await this.getBearerToken()
       const emailPayload = { to, from, subject, body, bodyType, }
-      logger.debug("email payload: " + JSON.stringify(emailPayload)) 
+      logger.debug("email payload: " + JSON.stringify(emailPayload))
       await axios.post(emailEndpoint, JSON.stringify(emailPayload), {
         headers: {
           'Content-Type': 'application/json',