feat(server): contact mail notification service

packages/server/src/api/controllers/Sales/SalesInvoices.ts

@@ -696,7 +696,10 @@ export default class SaleInvoicesController extends BaseController {
         invoiceId,
         invoiceMailDTO
       );
-      return res.status(200).send({});
+      return res.status(200).send({
+        code: 200,
+        message: 'The sale invoice mail has been sent successfully.',
+      });
     } catch (error) {
       next(error);
     }
@@ -717,18 +720,18 @@ export default class SaleInvoicesController extends BaseController {
     const { id: invoiceId } = req.params;
 
     try {
-      await this.saleInvoiceApplication.getSaleInvoiceMailReminder(
+      const data = await this.saleInvoiceApplication.getSaleInvoiceMailReminder(
         tenantId,
         invoiceId
       );
-      return res.status(200).send({});
+      return res.status(200).send(data);
     } catch (error) {
       next(error);
     }
   }
 
   /**
-   *
+   * Sends mail invoice of the given sale invoice.
    * @param {Request} req
    * @param {Response} res
    * @param {NextFunction} next
@@ -749,7 +752,10 @@ export default class SaleInvoicesController extends BaseController {
         invoiceId,
         invoiceMailDTO
       );
-      return res.status(200).send({});
+      return res.status(200).send({
+        code: 200,
+        message: 'The sale invoice mail reminder has been sent successfully.',
+      });
     } catch (error) {
       next(error);
     }

packages/server/src/config/index.ts

@@ -58,6 +58,7 @@ module.exports = {
     secure: !!parseInt(process.env.MAIL_SECURE, 10),
     username: process.env.MAIL_USERNAME,
     password: process.env.MAIL_PASSWORD,
+    from: process.env.MAIL_FROM_ADDRESS,
   },
 
   /**

packages/server/src/interfaces/SaleInvoice.ts

@@ -1,5 +1,5 @@
 import { Knex } from 'knex';
-import { ISystemUser, IAccount, ITaxTransaction } from '@/interfaces';
+import { ISystemUser, IAccount, ITaxTransaction, AddressItem } from '@/interfaces';
 import { IDynamicListFilter } from '@/interfaces/DynamicFilter';
 import { IItemEntry, IItemEntryDTO } from './ItemEntry';
 
@@ -187,8 +187,18 @@ export enum SaleInvoiceAction {
   NotifyBySms = 'NotifyBySms',
 }
 
+export interface SaleInvoiceMailOptions {
+  toAddresses: AddressItem[];
+  fromAddresses: AddressItem[];
+  from: string;
+  to: string | string[];
+  subject: string;
+  body: string;
+  attachInvoice: boolean;
+}
+
 export interface SendInvoiceMailDTO {
-  to: string;
+  to: string | string[];
   from: string;
   subject: string;
   body: string;

packages/server/src/models/Customer.ts

@@ -24,6 +24,9 @@ export default class Customer extends mixin(TenantModel, [
   CustomViewBaseModel,
   ModelSearchable,
 ]) {
+  email: string;
+  displayName: string;
+
   /**
    * Query builder.
    */
@@ -76,6 +79,19 @@ export default class Customer extends mixin(TenantModel, [
     return 'debit';
   }
 
+  /**
+   *
+   */
+  get contactAddresses() {
+    return [
+      {
+        mail: this.email,
+        label: this.displayName,
+        primary: true
+      },
+    ].filter((c) => c.mail);
+  }
+
   /**
    * Model modifiers.
    */

packages/server/src/services/MailNotification/ContactMailNotification.ts

@@ -0,0 +1,78 @@
+import { Inject, Service } from 'typedi';
+import * as R from 'ramda';
+import { SaleInvoiceMailOptions } from '@/interfaces';
+import HasTenancyService from '@/services/Tenancy/TenancyService';
+import { MailTenancy } from '@/services/MailTenancy/MailTenancy';
+import { formatSmsMessage } from '@/utils';
+
+@Service()
+export class ContactMailNotification {
+  @Inject()
+  private mailTenancy: MailTenancy;
+
+  @Inject()
+  private tenancy: HasTenancyService;
+
+  /**
+   * Parses the default message options.
+   * @param {number} tenantId
+   * @param {number} invoiceId
+   * @returns {Promise<SaleInvoiceMailOptions>}
+   */
+  public async getDefaultMailOptions(
+    tenantId: number,
+    contactId: number,
+    subject: string = '',
+    body: string = ''
+  ): Promise<any> {
+    const { Contact, Customer } = this.tenancy.models(tenantId);
+    const contact = await Customer.query().findById(contactId).throwIfNotFound();
+
+    const toAddresses = contact.contactAddresses;
+    const fromAddresses = await this.mailTenancy.senders(tenantId);
+
+    const toAddress = toAddresses.find((a) => a.primary);
+    const fromAddress = fromAddresses.find((a) => a.primary);
+
+    const to = toAddress?.mail || '';
+    const from = fromAddress?.mail || '';
+
+    return {
+      subject,
+      body,
+      to,
+      from,
+      fromAddresses,
+      toAddresses,
+    };
+  }
+
+  /**
+   * Retrieves the mail options.
+   * @param {number}
+   * @param {number} invoiceId
+   * @returns {}
+   */
+  public async getMailOptions(
+    tenantId: number,
+    contactId: number,
+    defaultSubject?: string,
+    defaultBody?: string,
+    formatterData?: Record<string, any>
+  ): Promise<SaleInvoiceMailOptions> {
+    const mailOpts = await this.getDefaultMailOptions(
+      tenantId,
+      contactId,
+      defaultSubject,
+      defaultBody
+    );
+    const subject = formatSmsMessage(mailOpts.subject, formatterData);
+    const body = formatSmsMessage(mailOpts.body, formatterData);
+
+    return {
+      ...mailOpts,
+      subject,
+      body,
+    };
+  }
+}

packages/server/src/services/MailTenancy/MailTenancy.ts

@@ -0,0 +1,25 @@
+import config from '@/config';
+import { Tenant } from "@/system/models";
+import { Service } from 'typedi';
+
+
+@Service()
+export class MailTenancy {
+  /**
+   * Retrieves the senders mails of the given tenant.
+   * @param {number} tenantId 
+   */
+  public async senders(tenantId: number) {
+    const tenant = await Tenant.query()
+      .findById(tenantId)
+      .withGraphFetched('metadata');
+
+    return [
+      {
+        mail: config.mail.from,
+        label: tenant.metadata.name,
+        primary: true,
+      }
+    ].filter((item) => item.mail)
+  }
+}

packages/server/src/services/Sales/Estimates/SaleEstimatesApplication.ts

@@ -240,7 +240,7 @@ export class SaleEstimatesApplication {
    * @returns {}
    */
   public getSaleEstimateMail(tenantId: number, saleEstimateId: number) {
-    return this.sendEstimateMailService.getDefaultMailOpts(
+    return this.sendEstimateMailService.getMailOptions(
       tenantId,
       saleEstimateId
     );

packages/server/src/services/Sales/Estimates/SendSaleEstimateMail.ts

@@ -1,5 +1,4 @@
 import { Inject, Service } from 'typedi';
-import * as R from 'ramda';
 import Mail from '@/lib/Mail';
 import HasTenancyService from '@/services/Tenancy/TenancyService';
 import {
@@ -8,28 +7,31 @@ import {
 } from './constants';
 import { SaleEstimatesPdf } from './SaleEstimatesPdf';
 import { GetSaleEstimate } from './GetSaleEstimate';
-import { formatSmsMessage } from '@/utils';
 import { SaleEstimateMailOptions } from '@/interfaces';
+import { ContactMailNotification } from '@/services/MailNotification/ContactMailNotification';
 
 @Service()
 export class SendSaleEstimateMail {
   @Inject()
   private tenancy: HasTenancyService;
 
-  @Inject('agenda')
-  private agenda: any;
-
   @Inject()
   private estimatePdf: SaleEstimatesPdf;
 
   @Inject()
   private getSaleEstimateService: GetSaleEstimate;
 
+  @Inject()
+  private contactMailNotification: ContactMailNotification;
+
+  @Inject('agenda')
+  private agenda: any;
+
   /**
    * Triggers the reminder mail of the given sale estimate.
-   * @param {number} tenantId
+   * @param {number} tenantId -
-   * @param {number} saleEstimateId
+   * @param {number} saleEstimateId -
-   * @param {SaleEstimateMailOptions} messageOptions
+   * @param {SaleEstimateMailOptions} messageOptions -
    */
   public async triggerMail(
     tenantId: number,
@@ -50,51 +52,50 @@ export class SendSaleEstimateMail {
    * @param {number} estimateId
    * @param {string} text
    */
-  public formatText = async (
+  public formatterData = async (tenantId: number, estimateId: number) => {
-    tenantId: number,
-    estimateId: number,
-    text: string
-  ) => {
     const estimate = await this.getSaleEstimateService.getEstimate(
       tenantId,
       estimateId
     );
-    return formatSmsMessage(text, {
+    return {
       CustomerName: estimate.customer.displayName,
       EstimateNumber: estimate.estimateNumber,
       EstimateDate: estimate.formattedEstimateDate,
       EstimateAmount: estimate.formattedAmount,
       EstimateExpirationDate: estimate.formattedExpirationDate,
-    });
-  };
-
-  /**
-   * Retrieves the default mail options.
-   * @param {number} tenantId
-   * @param {number} saleEstimateId
-   * @returns {Promise<any>}
-   */
-  public getDefaultMailOpts = async (
-    tenantId: number,
-    saleEstimateId: number
-  ) => {
-    const { SaleEstimate } = this.tenancy.models(tenantId);
-
-    const saleEstimate = await SaleEstimate.query()
-      .findById(saleEstimateId)
-      .withGraphFetched('customer')
-      .throwIfNotFound();
-
-    return {
-      attachPdf: true,
-      subject: DEFAULT_ESTIMATE_REMINDER_MAIL_SUBJECT,
-      body: DEFAULT_ESTIMATE_REMINDER_MAIL_CONTENT,
-      to: saleEstimate.customer.email,
     };
   };
 
   /**
-   * Sends the mail.
+   * Retrieves the mail options.
+   * @param {number} tenantId
+   * @param {number} saleEstimateId
+   * @returns
+   */
+  public getMailOptions = async (tenantId: number, saleEstimateId: number) => {
+    const { SaleEstimate } = this.tenancy.models(tenantId);
+
+    const saleEstimate = await SaleEstimate.query()
+      .findById(saleEstimateId)
+      .throwIfNotFound();
+
+    const formatterData = await this.formatterData(tenantId, saleEstimateId);
+
+    const mailOptions = await this.contactMailNotification.getMailOptions(
+      tenantId,
+      saleEstimate.customerId,
+      DEFAULT_ESTIMATE_REMINDER_MAIL_SUBJECT,
+      DEFAULT_ESTIMATE_REMINDER_MAIL_CONTENT,
+      formatterData
+    );
+    return {
+      ...mailOptions,
+      data: formatterData,
+    };
+  };
+
+  /**
+   * Sends the mail notification of the given sale estimate.
    * @param {number} tenantId
    * @param {number} saleEstimateId
    * @param {SaleEstimateMailOptions} messageOptions
@@ -104,34 +105,31 @@ export class SendSaleEstimateMail {
     saleEstimateId: number,
     messageOptions: SaleEstimateMailOptions
   ) {
-    const defaultMessageOpts = await this.getDefaultMailOpts(
+    const localMessageOpts = await this.getMailOptions(
       tenantId,
       saleEstimateId
     );
-    const parsedMessageOpts = {
+    const messageOpts = {
-      ...defaultMessageOpts,
+      ...localMessageOpts,
       ...messageOptions,
     };
-    const formatter = R.curry(this.formatText)(tenantId, saleEstimateId);
+    const mail = new Mail()
-    const subject = await formatter(parsedMessageOpts.subject);
+      .setSubject(messageOpts.subject)
-    const body = await formatter(parsedMessageOpts.body);
+      .setTo(messageOpts.to)
-    const attachments = [];
+      .setContent(messageOpts.body);
 
-    if (parsedMessageOpts.to) {
+    if (messageOpts.to) {
       const estimatePdfBuffer = await this.estimatePdf.getSaleEstimatePdf(
         tenantId,
         saleEstimateId
       );
-      attachments.push({
+      mail.setAttachments([
-        filename: 'estimate.pdf',
+        {
-        content: estimatePdfBuffer,
+          filename: messageOpts.data?.EstimateNumber || 'estimate.pdf',
-      });
+          content: estimatePdfBuffer,
+        },
+      ]);
     }
-    await new Mail()
+    await mail.send();
-      .setSubject(subject)
-      .setTo(parsedMessageOpts.to)
-      .setContent(body)
-      .setAttachments(attachments)
-      .send();
   }
 }

packages/server/src/services/Sales/Invoices/SaleInvoicesApplication.ts

@@ -300,10 +300,7 @@ export class SaleInvoiceApplication {
    * @returns {}
    */
   public getSaleInvoiceMailReminder(tenantId: number, saleInvoiceId: number) {
-    return this.getSaleInvoiceReminderService.getInvoiceMailReminder(
+    return this.sendInvoiceReminderService.getMailOpts(tenantId, saleInvoiceId);
-      tenantId,
-      saleInvoiceId
-    );
   }
 
   /**
@@ -350,9 +347,6 @@ export class SaleInvoiceApplication {
    * @returns {Promise<SendInvoiceMailDTO>}
    */
   public getSaleInvoiceMail(tenantId: number, saleInvoiceid: number) {
-    return this.sendInvoiceReminderService.getDefaultMailOpts(
+    return this.sendSaleInvoiceMailService.getMailOpts(tenantId, saleInvoiceid);
-      tenantId,
-      saleInvoiceid
-    );
   }
 }

packages/server/src/services/Sales/Invoices/SendInvoiceInvoiceMailCommon.ts

@@ -0,0 +1,115 @@
+import { Inject, Service } from 'typedi';
+import { isEmpty } from 'lodash';
+import { SaleInvoiceMailOptions } from '@/interfaces';
+import HasTenancyService from '@/services/Tenancy/TenancyService';
+import {
+  DEFAULT_INVOICE_MAIL_CONTENT,
+  DEFAULT_INVOICE_MAIL_SUBJECT,
+} from './constants';
+import { GetSaleInvoice } from './GetSaleInvoice';
+import { Tenant } from '@/system/models';
+import { ServiceError } from '@/exceptions';
+import { ContactMailNotification } from '@/services/MailNotification/ContactMailNotification';
+
+@Service()
+export class SendSaleInvoiceMailCommon {
+  @Inject()
+  private tenancy: HasTenancyService;
+
+  @Inject()
+  private getSaleInvoiceService: GetSaleInvoice;
+
+  @Inject()
+  private contactMailNotification: ContactMailNotification;
+
+  /**
+   * Retrieves the mail options.
+   * @param {number} tenantId - Tenant id.
+   * @param {number} invoiceId - Invoice id.
+   * @param {string} defaultSubject - Subject text.
+   * @param {string} defaultBody - Subject body.
+   * @returns {}
+   */
+  public async getMailOpts(
+    tenantId: number,
+    invoiceId: number,
+    defaultSubject: string = DEFAULT_INVOICE_MAIL_SUBJECT,
+    defaultBody: string = DEFAULT_INVOICE_MAIL_CONTENT
+  ): Promise<SaleInvoiceMailOptions> {
+    const { SaleInvoice } = this.tenancy.models(tenantId);
+
+    const saleInvoice = await SaleInvoice.query()
+      .findById(invoiceId)
+      .throwIfNotFound();
+
+    const formatterData = await this.formatText(tenantId, invoiceId);
+
+    return this.contactMailNotification.getMailOptions(
+      tenantId,
+      saleInvoice.customerId,
+      defaultSubject,
+      defaultBody,
+      formatterData
+    );
+  }
+
+  /**
+   * Retrieves the formatted text of the given sale invoice.
+   * @param {number} tenantId - Tenant id.
+   * @param {number} invoiceId - Sale invoice id.
+   * @param {string} text - The given text.
+   * @returns {Promise<string>}
+   */
+  public formatText = async (
+    tenantId: number,
+    invoiceId: number
+  ): Promise<Record<string, string | number>> => {
+    const invoice = await this.getSaleInvoiceService.getSaleInvoice(
+      tenantId,
+      invoiceId
+    );
+    const organization = await Tenant.query()
+      .findById(tenantId)
+      .withGraphFetched('metadata');
+
+    return {
+      CompanyName: organization.metadata.name,
+      CustomerName: invoice.customer.displayName,
+      InvoiceNumber: invoice.invoiceNo,
+      InvoiceDueAmount: invoice.dueAmountFormatted,
+      InvoiceDueDate: invoice.dueDateFormatted,
+      InvoiceDate: invoice.invoiceDateFormatted,
+      InvoiceAmount: invoice.totalFormatted,
+      OverdueDays: invoice.overdueDays,
+    };
+  };
+
+  /**
+   * Validates the mail notification options before sending it.
+   * @param {Partial<SaleInvoiceMailOptions>} mailNotificationOpts
+   * @throws {ServiceError}
+   */
+  public validateMailNotification(
+    mailNotificationOpts: Partial<SaleInvoiceMailOptions>
+  ) {
+    if (isEmpty(mailNotificationOpts.from)) {
+      throw new ServiceError(ERRORS.MAIL_FROM_NOT_FOUND);
+    }
+    if (isEmpty(mailNotificationOpts.to)) {
+      throw new ServiceError(ERRORS.MAIL_TO_NOT_FOUND);
+    }
+    if (isEmpty(mailNotificationOpts.subject)) {
+      throw new ServiceError(ERRORS.MAIL_SUBJECT_NOT_FOUND);
+    }
+    if (isEmpty(mailNotificationOpts.body)) {
+      throw new ServiceError(ERRORS.MAIL_BODY_NOT_FOUND);
+    }
+  }
+}
+
+const ERRORS = {
+  MAIL_FROM_NOT_FOUND: 'Mail from address not found',
+  MAIL_TO_NOT_FOUND: 'Mail to address not found',
+  MAIL_SUBJECT_NOT_FOUND: 'Mail subject not found',
+  MAIL_BODY_NOT_FOUND: 'Mail body not found',
+};

packages/server/src/services/Sales/Invoices/SendSaleInvoiceMail.ts

@@ -1,30 +1,21 @@
 import { Inject, Service } from 'typedi';
-import * as R from 'ramda';
-import { SendInvoiceMailDTO } from '@/interfaces';
 import Mail from '@/lib/Mail';
-import HasTenancyService from '@/services/Tenancy/TenancyService';
+import { SendInvoiceMailDTO } from '@/interfaces';
 import { SaleInvoicePdf } from './SaleInvoicePdf';
+import { SendSaleInvoiceMailCommon } from './SendInvoiceInvoiceMailCommon';
 import {
   DEFAULT_INVOICE_MAIL_CONTENT,
   DEFAULT_INVOICE_MAIL_SUBJECT,
-  ERRORS,
 } from './constants';
-import { ServiceError } from '@/exceptions';
-import { formatSmsMessage } from '@/utils';
-import { GetSaleInvoice } from './GetSaleInvoice';
-import { Tenant } from '@/system/models';
 
 @Service()
 export class SendSaleInvoiceMail {
-  @Inject()
-  private tenancy: HasTenancyService;
-
-  @Inject()
-  private getSaleInvoiceService: GetSaleInvoice;
-  
   @Inject()
   private invoicePdf: SaleInvoicePdf;
 
+  @Inject()
+  private invoiceMail: SendSaleInvoiceMailCommon;
+
   @Inject('agenda')
   private agenda: any;
 
@@ -48,56 +39,19 @@ export class SendSaleInvoiceMail {
   }
 
   /**
-   * Retrieves the default invoice mail options.
+   * Retrieves the mail options of the given sale invoice.
    * @param {number} tenantId
-   * @param {number} invoiceId
+   * @param {number} saleInvoiceId
-   * @returns {Promise<SendInvoiceMailDTO>}
+   * @returns {Promise<SaleInvoiceMailOptions>}
    */
-  public getDefaultMailOpts = async (tenantId: number, invoiceId: number) => {
+  public async getMailOpts(tenantId: number, saleInvoiceId: number) {
-    const { SaleInvoice } = this.tenancy.models(tenantId);
+    return this.invoiceMail.getMailOpts(
-    const saleInvoice = await SaleInvoice.query()
-      .findById(invoiceId)
-      .withGraphFetched('customer')
-      .throwIfNotFound();
-
-    return {
-      attachInvoice: true,
-      subject: DEFAULT_INVOICE_MAIL_SUBJECT,
-      body: DEFAULT_INVOICE_MAIL_CONTENT,
-      to: saleInvoice.customer.email,
-    };
-  };
-
-  /**
-   * Retrieves the formatted text of the given sale invoice.
-   * @param {number} tenantId - Tenant id.
-   * @param {number} invoiceId - Sale invoice id.
-   * @param {string} text - The given text.
-   * @returns {Promise<string>}
-   */
-  public textFormatter = async (
-    tenantId: number,
-    invoiceId: number,
-    text: string
-  ): Promise<string> => {
-    const invoice = await this.getSaleInvoiceService.getSaleInvoice(
       tenantId,
-      invoiceId
+      saleInvoiceId,
+      DEFAULT_INVOICE_MAIL_SUBJECT,
+      DEFAULT_INVOICE_MAIL_CONTENT
     );
-    const organization = await Tenant.query()
+  }
-      .findById(tenantId)
-      .withGraphFetched('metadata');
-
-    return formatSmsMessage(text, {
-      CompanyName: organization.metadata.name,
-      CustomerName: invoice.customer.displayName,
-      InvoiceNumber: invoice.invoiceNo,
-      InvoiceDueAmount: invoice.dueAmountFormatted,
-      InvoiceDueDate: invoice.dueDateFormatted,
-      InvoiceDate: invoice.invoiceDateFormatted,
-      InvoiceAmount: invoice.totalFormatted,
-    });
-  };
 
   /**
    * Triggers the mail invoice.
@@ -111,37 +65,30 @@ export class SendSaleInvoiceMail {
     saleInvoiceId: number,
     messageDTO: SendInvoiceMailDTO
   ) {
-    const defaultMessageOpts = await this.getDefaultMailOpts(
+    const defaultMessageOpts = await this.getMailOpts(tenantId, saleInvoiceId);
-      tenantId,
+
-      saleInvoiceId
-    );
     // Parsed message opts with default options.
-    const parsedMessageOpts = {
+    const messageOpts = {
       ...defaultMessageOpts,
       ...messageDTO,
     };
-    // In case there is no email address from the customer or from options, throw an error.
+    this.invoiceMail.validateMailNotification(messageOpts);
-    if (!parsedMessageOpts.to) {
-      throw new ServiceError(ERRORS.NO_INVOICE_CUSTOMER_EMAIL_ADDR);
-    }
-    const formatter = R.curry(this.textFormatter)(tenantId, saleInvoiceId);
-    const subject = await formatter(parsedMessageOpts.subject);
-    const body = await formatter(parsedMessageOpts.body);
-    const attachments = [];
 
-    if (parsedMessageOpts.attachInvoice) {
+    const mail = new Mail()
+      .setSubject(messageOpts.subject)
+      .setTo(messageOpts.to)
+      .setContent(messageOpts.body);
+
+    if (messageOpts.attachInvoice) {
       // Retrieves document buffer of the invoice pdf document.
       const invoicePdfBuffer = await this.invoicePdf.saleInvoicePdf(
         tenantId,
         saleInvoiceId
       );
-      attachments.push({ filename: 'invoice.pdf', content: invoicePdfBuffer });
+      mail.setAttachments([
+        { filename: 'invoice.pdf', content: invoicePdfBuffer },
+      ]);
     }
-    await new Mail()
+    await mail.send();
-      .setSubject(subject)
-      .setTo(parsedMessageOpts.to)
-      .setContent(body)
-      .setAttachments(attachments)
-      .send();
   }
 }

packages/server/src/services/Sales/Invoices/SendSaleInvoiceMailReminder.ts

@@ -1,24 +1,15 @@
 import { Inject, Service } from 'typedi';
-import * as R from 'ramda';
 import { SendInvoiceMailDTO } from '@/interfaces';
 import Mail from '@/lib/Mail';
-import HasTenancyService from '@/services/Tenancy/TenancyService';
+import { SaleInvoicePdf } from './SaleInvoicePdf';
+import { SendSaleInvoiceMailCommon } from './SendInvoiceInvoiceMailCommon';
 import {
   DEFAULT_INVOICE_REMINDER_MAIL_CONTENT,
   DEFAULT_INVOICE_REMINDER_MAIL_SUBJECT,
-  ERRORS,
 } from './constants';
-import { SaleInvoicePdf } from './SaleInvoicePdf';
-import { ServiceError } from '@/exceptions';
-import { GetSaleInvoice } from './GetSaleInvoice';
-import { Tenant } from '@/system/models';
-import { formatSmsMessage } from '@/utils';
 
 @Service()
 export class SendInvoiceMailReminder {
-  @Inject()
-  private tenancy: HasTenancyService;
-
   @Inject('agenda')
   private agenda: any;
 
@@ -26,7 +17,7 @@ export class SendInvoiceMailReminder {
   private invoicePdf: SaleInvoicePdf;
 
   @Inject()
-  private getSaleInvoiceService: GetSaleInvoice;
+  private invoiceCommonMail: SendSaleInvoiceMailCommon;
 
   /**
    * Triggers the reminder mail of the given sale invoice.
@@ -47,57 +38,19 @@ export class SendInvoiceMailReminder {
   }
 
   /**
-   * Parses the default message options.
+   * Retrieves the mail options of the given sale invoice.
    * @param {number} tenantId
-   * @param {number} invoiceId
+   * @param {number} saleInvoiceId
-   * @returns {Promise<SendInvoiceMailDTO>}
+   * @returns {Promise<SaleInvoiceMailOptions>}
    */
-  public async getDefaultMailOpts(tenantId: number, invoiceId: number) {
+  public async getMailOpts(tenantId: number, saleInvoiceId: number) {
-    const { SaleInvoice } = this.tenancy.models(tenantId);
+    return this.invoiceCommonMail.getMailOpts(
-
-    const saleInvoice = await SaleInvoice.query()
-      .findById(invoiceId)
-      .withGraphFetched('customer')
-      .throwIfNotFound();
-
-    return {
-      attachInvoice: true,
-      subject: DEFAULT_INVOICE_REMINDER_MAIL_SUBJECT,
-      body: DEFAULT_INVOICE_REMINDER_MAIL_CONTENT,
-      to: saleInvoice.customer.email,
-    };
-  }
-
-  /**
-   * Retrieves the formatted text of the given sale invoice.
-   * @param {number} tenantId - Tenant id.
-   * @param {number} invoiceId - Sale invoice id.
-   * @param {string} text - The given text.
-   * @returns {Promise<string>}
-   */
-  public formatText = async (
-    tenantId: number,
-    invoiceId: number,
-    text: string
-  ): Promise<string> => {
-    const invoice = await this.getSaleInvoiceService.getSaleInvoice(
       tenantId,
-      invoiceId
+      saleInvoiceId,
+      DEFAULT_INVOICE_REMINDER_MAIL_SUBJECT,
+      DEFAULT_INVOICE_REMINDER_MAIL_CONTENT
     );
-    const organization = await Tenant.query()
+  }
-      .findById(tenantId)
-      .withGraphFetched('metadata');
-
-    return formatSmsMessage(text, {
-      CompanyName: organization.metadata.name,
-      CustomerName: invoice.customer.displayName,
-      InvoiceNumber: invoice.invoiceNo,
-      InvoiceDueAmount: invoice.dueAmountFormatted,
-      InvoiceDueDate: invoice.dueDateFormatted,
-      InvoiceDate: invoice.invoiceDateFormatted,
-      InvoiceAmount: invoice.totalFormatted,
-    });
-  };
 
   /**
    * Triggers the mail invoice.
@@ -111,37 +64,27 @@ export class SendInvoiceMailReminder {
     saleInvoiceId: number,
     messageOptions: SendInvoiceMailDTO
   ) {
-    const defaultMessageOpts = await this.getDefaultMailOpts(
+    const localMessageOpts = await this.getMailOpts(tenantId, saleInvoiceId);
-      tenantId,
+
-      saleInvoiceId
+    const messageOpts = {
-    );
+      ...localMessageOpts,
-    const parsedMessageOptions = {
-      ...defaultMessageOpts,
       ...messageOptions,
     };
-    // In case there is no email address from the customer or from options, throw an error.
+    const mail = new Mail()
-    if (!parsedMessageOptions.to) {
+      .setSubject(messageOpts.subject)
-      throw new ServiceError(ERRORS.NO_INVOICE_CUSTOMER_EMAIL_ADDR);
+      .setTo(messageOpts.to)
-    }
+      .setContent(messageOpts.body);
-    const formatter = R.curry(this.formatText)(tenantId, saleInvoiceId);
-    const subject = await formatter(parsedMessageOptions.subject);
-    const body = await formatter(parsedMessageOptions.body);
-    const attachments = [];
 
-    if (parsedMessageOptions.attachInvoice) {
+    if (messageOpts.attachInvoice) {
       // Retrieves document buffer of the invoice pdf document.
       const invoicePdfBuffer = await this.invoicePdf.saleInvoicePdf(
         tenantId,
         saleInvoiceId
       );
-      attachments.push({ filename: 'invoice.pdf', content: invoicePdfBuffer });
+      mail.setAttachments([
+        { filename: 'invoice.pdf', content: invoicePdfBuffer },
+      ]);
     }
-    const mail = new Mail()
-      .setSubject(subject)
-      .setTo(parsedMessageOptions.to)
-      .setContent(body)
-      .setAttachments(attachments);
-
     await mail.send();
   }
 }

packages/server/src/services/Sales/Invoices/constants.ts

@@ -8,6 +8,11 @@ Invoice <strong>#{InvoiceNumber}</strong><br />
 Due Date : <strong>{InvoiceDueDate}</strong><br />
 Amount   : <strong>{InvoiceAmount}</strong></br />
 </p>
+
+<p>
+<i>Regards</i><br />
+<i>{CompanyName}</i>
+</p>
 `;
 
 export const DEFAULT_INVOICE_REMINDER_MAIL_SUBJECT =
@@ -18,6 +23,11 @@ export const DEFAULT_INVOICE_REMINDER_MAIL_CONTENT = `
 <p>Invoice <strong>#{InvoiceNumber}</strong><br />
 Due Date : <strong>{InvoiceDueDate}</strong><br />
 Amount   : <strong>{InvoiceAmount}</strong></p>
+
+<p>
+<i>Regards</i><br />
+<i>{CompanyName}</i>
+</p>
 `;
 
 export const ERRORS = {

packages/server/src/services/Sales/PaymentReceives/PaymentReceiveMailNotification.ts

@@ -1,17 +1,14 @@
 import { Inject, Service } from 'typedi';
-import * as R from 'ramda';
 import { IPaymentReceiveMailOpts, SendInvoiceMailDTO } from '@/interfaces';
 import Mail from '@/lib/Mail';
 import HasTenancyService from '@/services/Tenancy/TenancyService';
 import {
   DEFAULT_PAYMENT_MAIL_CONTENT,
   DEFAULT_PAYMENT_MAIL_SUBJECT,
-  ERRORS,
 } from './constants';
-import { ServiceError } from '@/exceptions';
-import { formatSmsMessage } from '@/utils';
 import { Tenant } from '@/system/models';
 import { GetPaymentReceive } from './GetPaymentReceive';
+import { ContactMailNotification } from '@/services/MailNotification/ContactMailNotification';
 
 @Service()
 export class SendPaymentReceiveMailNotification {
@@ -21,6 +18,9 @@ export class SendPaymentReceiveMailNotification {
   @Inject()
   private getPaymentService: GetPaymentReceive;
 
+  @Inject()
+  private contactMailNotification: ContactMailNotification;
+
   @Inject('agenda')
   private agenda: any;
 
@@ -49,19 +49,22 @@ export class SendPaymentReceiveMailNotification {
    * @param {number} invoiceId
    * @returns {Promise<SendInvoiceMailDTO>}
    */
-  public getDefaultMailOpts = async (tenantId: number, invoiceId: number) => {
+  public getMailOptions = async (tenantId: number, invoiceId: number) => {
     const { PaymentReceive } = this.tenancy.models(tenantId);
+
     const paymentReceive = await PaymentReceive.query()
       .findById(invoiceId)
-      .withGraphFetched('customer')
       .throwIfNotFound();
 
-    return {
+    const formatterData = await this.textFormatter(tenantId, invoiceId);
-      attachInvoice: true,
+
-      subject: DEFAULT_PAYMENT_MAIL_SUBJECT,
+    return this.contactMailNotification.getMailOptions(
-      body: DEFAULT_PAYMENT_MAIL_CONTENT,
+      tenantId,
-      to: paymentReceive.customer.email,
+      paymentReceive.customerId,
-    };
+      DEFAULT_PAYMENT_MAIL_SUBJECT,
+      DEFAULT_PAYMENT_MAIL_CONTENT,
+      formatterData
+    );
   };
 
   /**
@@ -73,9 +76,8 @@ export class SendPaymentReceiveMailNotification {
    */
   public textFormatter = async (
     tenantId: number,
-    invoiceId: number,
+    invoiceId: number
-    text: string
+  ): Promise<Record<string, string>> => {
-  ): Promise<string> => {
     const payment = await this.getPaymentService.getPaymentReceive(
       tenantId,
       invoiceId
@@ -84,13 +86,13 @@ export class SendPaymentReceiveMailNotification {
       .findById(tenantId)
       .withGraphFetched('metadata');
 
-    return formatSmsMessage(text, {
+    return {
       CompanyName: organization.metadata.name,
       CustomerName: payment.customer.displayName,
       PaymentNumber: payment.payment_receive_no,
       PaymentDate: payment.formattedPaymentDate,
       PaymentAmount: payment.formattedAmount,
-    });
+    };
   };
 
   /**
@@ -105,7 +107,7 @@ export class SendPaymentReceiveMailNotification {
     paymentReceiveId: number,
     messageDTO: SendInvoiceMailDTO
   ): Promise<void> {
-    const defaultMessageOpts = await this.getDefaultMailOpts(
+    const defaultMessageOpts = await this.getMailOptions(
       tenantId,
       paymentReceiveId
     );
@@ -114,18 +116,10 @@ export class SendPaymentReceiveMailNotification {
       ...defaultMessageOpts,
       ...messageDTO,
     };
-    // In case there is no email address from the customer or from options, throw an error.
-    if (!parsedMessageOpts.to) {
-      throw new ServiceError(ERRORS.NO_INVOICE_CUSTOMER_EMAIL_ADDR);
-    }
-    const formatter = R.curry(this.textFormatter)(tenantId, paymentReceiveId);
-    const subject = await formatter(parsedMessageOpts.subject);
-    const body = await formatter(parsedMessageOpts.body);
-
     await new Mail()
-      .setSubject(subject)
+      .setSubject(parsedMessageOpts.subject)
       .setTo(parsedMessageOpts.to)
-      .setContent(body)
+      .setContent(parsedMessageOpts.body)
       .send();
   }
 }

packages/server/src/services/Sales/PaymentReceives/PaymentReceivesApplication.ts

@@ -205,10 +205,7 @@ export class PaymentReceivesApplication {
    * @returns {Promise<void>}
    */
   public getPaymentDefaultMail(tenantId: number, paymentReceiveId: number) {
-    return this.paymentMailNotify.getDefaultMailOpts(
+    return this.paymentMailNotify.getMailOptions(tenantId, paymentReceiveId);
-      tenantId,
-      paymentReceiveId
-    );
   }
 
   /**

packages/server/src/services/Sales/Receipts/SaleReceiptApplication.ts

@@ -196,7 +196,7 @@ export class SaleReceiptApplication {
    * @returns
    */
   public getSaleReceiptMail(tenantId: number, saleReceiptId: number) {
-    return this.saleReceiptNotifyByMailService.getDefaultMailOpts(
+    return this.saleReceiptNotifyByMailService.getMailOptions(
       tenantId,
       saleReceiptId
     );

packages/server/src/services/Sales/Receipts/SaleReceiptMailNotification.ts

@@ -2,8 +2,6 @@ import * as R from 'ramda';
 import HasTenancyService from '@/services/Tenancy/TenancyService';
 import { Inject, Service } from 'typedi';
 import { Tenant } from '@/system/models';
-import { formatSmsMessage } from '@/utils';
-import { ServiceError } from '@/exceptions';
 import Mail from '@/lib/Mail';
 import { GetSaleReceipt } from './GetSaleReceipt';
 import { SaleReceiptsPdf } from './SaleReceiptsPdfService';
@@ -11,8 +9,8 @@ import {
   DEFAULT_RECEIPT_MAIL_CONTENT,
   DEFAULT_RECEIPT_MAIL_SUBJECT,
 } from './constants';
-import { ERRORS } from './constants';
 import { SaleReceiptMailOpts } from '@/interfaces';
+import { ContactMailNotification } from '@/services/MailNotification/ContactMailNotification';
 
 @Service()
 export class SaleReceiptMailNotification {
@@ -25,6 +23,9 @@ export class SaleReceiptMailNotification {
   @Inject()
   private receiptPdfService: SaleReceiptsPdf;
 
+  @Inject()
+  private contactMailNotification: ContactMailNotification;
+
   @Inject('agenda')
   private agenda: any;
 
@@ -48,25 +49,28 @@ export class SaleReceiptMailNotification {
   }
 
   /**
-   * Retrieves the default receipt mail options.
+   * Retrieves the mail options of the given sale receipt.
    * @param {number} tenantId
-   * @param {number} invoiceId
+   * @param {number} saleReceiptId
-   * @returns {Promise<SendInvoiceMailDTO>}
+   * @returns
    */
-  public getDefaultMailOpts = async (tenantId: number, invoiceId: number) => {
+  public async getMailOptions(tenantId: number, saleReceiptId: number) {
     const { SaleReceipt } = this.tenancy.models(tenantId);
+
     const saleReceipt = await SaleReceipt.query()
-      .findById(invoiceId)
+      .findById(saleReceiptId)
-      .withGraphFetched('customer')
       .throwIfNotFound();
 
-    return {
+    const formattedData = await this.textFormatter(tenantId, saleReceiptId);
-      attachInvoice: true,
+
-      subject: DEFAULT_RECEIPT_MAIL_SUBJECT,
+    return this.contactMailNotification.getMailOptions(
-      body: DEFAULT_RECEIPT_MAIL_CONTENT,
+      tenantId,
-      to: saleReceipt.customer.email,
+      saleReceipt.customerId,
-    };
+      DEFAULT_RECEIPT_MAIL_SUBJECT,
-  };
+      DEFAULT_RECEIPT_MAIL_CONTENT,
+      formattedData
+    );
+  }
 
   /**
    * Retrieves the formatted text of the given sale invoice.
@@ -77,9 +81,8 @@ export class SaleReceiptMailNotification {
    */
   public textFormatter = async (
     tenantId: number,
-    receiptId: number,
+    receiptId: number
-    text: string
+  ): Promise<Record<string, string>> => {
-  ): Promise<string> => {
     const invoice = await this.getSaleReceiptService.getSaleReceipt(
       tenantId,
       receiptId
@@ -88,13 +91,13 @@ export class SaleReceiptMailNotification {
       .findById(tenantId)
       .withGraphFetched('metadata');
 
-    return formatSmsMessage(text, {
+    return {
       CompanyName: organization.metadata.name,
       CustomerName: invoice.customer.displayName,
       ReceiptNumber: invoice.receiptNumber,
       ReceiptDate: invoice.formattedReceiptDate,
       ReceiptAmount: invoice.formattedAmount,
-    });
+    };
   };
 
   /**
@@ -109,7 +112,7 @@ export class SaleReceiptMailNotification {
     saleReceiptId: number,
     messageOpts: SaleReceiptMailOpts
   ) {
-    const defaultMessageOpts = await this.getDefaultMailOpts(
+    const defaultMessageOpts = await this.getMailOptions(
       tenantId,
       saleReceiptId
     );
@@ -118,14 +121,11 @@ export class SaleReceiptMailNotification {
       ...defaultMessageOpts,
       ...messageOpts,
     };
-    // In case there is no email address from the customer or from options, throw an error.
+
-    if (!parsedMessageOpts.to) {
+    const mail = new Mail()
-      throw new ServiceError(ERRORS.NO_INVOICE_CUSTOMER_EMAIL_ADDR);
+      .setSubject(parsedMessageOpts.subject)
-    }
+      .setTo(parsedMessageOpts.to)
-    const formatter = R.curry(this.textFormatter)(tenantId, saleReceiptId);
+      .setContent(parsedMessageOpts.body);
-    const body = await formatter(parsedMessageOpts.body);
-    const subject = await formatter(parsedMessageOpts.subject);
-    const attachments = [];
 
     if (parsedMessageOpts.attachInvoice) {
       // Retrieves document buffer of the invoice pdf document.
@@ -133,13 +133,10 @@ export class SaleReceiptMailNotification {
         tenantId,
         saleReceiptId
       );
-      attachments.push({ filename: 'invoice.pdf', content: receiptPdfBuffer });
+      mail.setAttachments([
+        { filename: 'invoice.pdf', content: receiptPdfBuffer },
+      ]);
     }
-    await new Mail()
+    await mail.send();
-      .setSubject(subject)
-      .setTo(parsedMessageOpts.to)
-      .setContent(body)
-      .setAttachments(attachments)
-      .send();
   }
 }