fix(core): update

ts/mailgun.classes.account.ts

@@ -5,10 +5,28 @@ export class MailgunAccount {
   public baseUrl = 'https://api.mailgun.net/v3';
   public apiToken: string;
 
+  public smartSmtps: {[domain: string]: plugins.smartsmtp.Smartsmtp} = {};
+
   constructor(apiTokenArg: string) {
     this.apiToken = apiTokenArg;
   }
 
+  /**
+   * allows adding smtp credentials
+   * Format: [domain]|[username]|[password]
+   */
+  public addSmtpCredentials (credentials: string) {
+    const credentialArray = credentials.split('|');
+    if (credentialArray.length !== 3) {
+      throw new Error('credentials are in the wrong format');
+    }
+    this.smartSmtps[credentialArray[0]] = new plugins.smartsmtp.Smartsmtp({
+      smtpServer: 'smtp.mailgun.org',
+      smtpUser: credentialArray[1],
+      smtpPassword: credentialArray[2]
+    });
+  }
+
   public async getRequest(routeArg: string, binaryArg: boolean = false) {
     let requestUrl = routeArg;
     const needsBaseUrlPrefix = !routeArg.startsWith('https://');
@@ -18,9 +36,9 @@ export class MailgunAccount {
       method: 'GET',
       headers: {
         Authorization: `Basic ${plugins.smartstring.base64.encode(`api:${this.apiToken}`)}`,
-        'Content-Type': 'application/json'
+        'Content-Type': 'application/json',
       },
-      keepAlive: false
+      keepAlive: false,
     };
     let response: plugins.smartrequest.IExtendedIncomingMessage;
     if (!binaryArg) {
@@ -37,9 +55,9 @@ export class MailgunAccount {
       requestUrl,
       {
         headers: {
-          Authorization: `Basic ${plugins.smartstring.base64.encode(`api:${this.apiToken}`)}`
+          Authorization: `Basic ${plugins.smartstring.base64.encode(`api:${this.apiToken}`)}`,
         },
-        keepAlive: false
+        keepAlive: false,
       },
       formFields
     );
@@ -59,35 +77,25 @@ export class MailgunAccount {
       {
         name: 'from',
         type: 'string',
-        payload: smartmailArg.options.from
+        payload: smartmailArg.options.from,
       },
       {
         name: 'to',
         type: 'string',
-        payload: toArg
+        payload: toArg,
       },
       {
         name: 'subject',
         type: 'string',
-        payload: smartmailArg.getSubject(dataArg)
-      }
+        payload: smartmailArg.getSubject(dataArg),
+      },
+      {
+        name: 'html',
+        type: 'string',
+        payload: smartmailArg.getBody(dataArg),
+      },
     ];
 
-    if (smartmailArg.getBody(dataArg)) {
-      formFields.push({
-        name: 'html',
-        type: 'string',
-        payload: smartmailArg.getBody(dataArg)
-      });
-    } else {
-      console.log('message has no body');
-      formFields.push({
-        name: 'html',
-        type: 'string',
-        payload: 'The sender did not provide a bodytext.'
-      });
-    }
-
     console.log(smartmailArg.attachments);
 
     for (const attachment of smartmailArg.attachments) {
@@ -95,16 +103,29 @@ export class MailgunAccount {
         name: 'attachment',
         type: 'Buffer',
         payload: attachment.contentBuffer,
-        fileName: attachment.parsedPath.base
+        fileName: attachment.parsedPath.base,
       });
     }
 
-    const response = await this.postFormData(`/${domain}/messages`, formFields);
-    if (response.statusCode === 200) {
-      return response.body;
+    if (smartmailArg.getBody(dataArg)) {
+      console.log('All requirements for API met');
+      const response = await this.postFormData(`/${domain}/messages`, formFields);
+      if (response.statusCode === 200) {
+        console.log(`Sent mail with subject ${smartmailArg.getSubject(dataArg)} to ${toArg} using the mailgun API`);
+        return response.body;
+      } else {
+        console.log(response.body);
+        throw new Error('could not send email');
+      }
     } else {
-      console.log(response.body);
-      throw new Error('could not send email');
+      console.log('An empty body was provided. This does not work via the API, but using SMTP instead.');
+      const wantedSmartsmtp = this.smartSmtps[domain];
+      if (!wantedSmartsmtp) {
+        console.log('did not find appropriate smtp credentials');
+        return;
+      }
+      wantedSmartsmtp.sendSmartMail(smartmailArg, toArg);
+      console.log(`Sent mail with subject ${smartmailArg.getSubject(dataArg)} to ${toArg} using an smtp transport over Mailgun`);
     }
   }
 
@@ -119,7 +140,7 @@ export class MailgunAccount {
       from: responseBody.From,
       body: responseBody['body-html'],
       subject: responseBody.Subject,
-      creationObjectRef: responseBody
+      creationObjectRef: responseBody,
     });
 
     // lets care about attachments
@@ -131,7 +152,7 @@ export class MailgunAccount {
           new plugins.smartfile.Smartfile({
             path: `./${attachmentName}`,
             base: `./${attachmentName}`,
-            contentBuffer: attachmentContents.body
+            contentBuffer: attachmentContents.body,
           })
         );
       }