feat: add template email for offboarding that keeps forwarded emails (#…

…762)

* fix: correct migrate file view project cost and rev

* feat: add template email for offboarding that keeps forwarded emails

migrations/schemas/20241030151941-view-project-cost-and-revenue.sql

@@ -1,11 +1,15 @@
-
 -- +migrate Up
+-- Drop dependent objects first
+DROP VIEW IF EXISTS "public"."vw_project_cost_and_revenue";
+DROP TABLE IF EXISTS "public"."cost_projections";
+
+-- Now drop and recreate the types
 DROP TYPE IF EXISTS "public"."cost_types";
 CREATE TYPE "public"."cost_types" AS ENUM ('individual', 'sum');
 DROP TYPE IF EXISTS "public"."amount_types";
 CREATE TYPE "public"."amount_types" AS ENUM ('percentage', 'flat');
 
--- Table Definition
+-- Recreate the table with the new type
 CREATE TABLE "public"."cost_projections" (
     "id" uuid NOT NULL DEFAULT uuid(),
     "name" varchar(255) NOT NULL,
@@ -15,6 +19,7 @@ CREATE TABLE "public"."cost_projections" (
     PRIMARY KEY ("id")
 );
 
+-- Recreate the view
 CREATE OR REPLACE VIEW vw_project_cost_and_revenue AS
 WITH project_data AS (
     -- Summarize project salary and charge rate
@@ -88,7 +93,8 @@ SELECT
 FROM project_data pd
 LEFT JOIN cost_projection_calculations cpc ON cpc.project_id = pd.project_id;
 
-
 -- +migrate Down
-DROP VIEW IF EXISTS "vw_project_cost_and_revenue";
-DROP TABLE IF EXISTS "cost_projections";
+DROP VIEW IF EXISTS "public"."vw_project_cost_and_revenue";
+DROP TABLE IF EXISTS "public"."cost_projections";
+DROP TYPE IF EXISTS "public"."cost_types";
+DROP TYPE IF EXISTS "public"."amount_types";

pkg/controller/employee/update_employee_status.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"strings"
 	"time"
 
 	"gorm.io/gorm"
@@ -61,6 +62,22 @@ func (r *controller) UpdateEmployeeStatus(employeeID string, body UpdateWorkingS
 
 		// Do Off-boarding process
 		r.processOffBoardingEmployee(l, e)
+		if e.IsKeepFwdEmail {
+			name := e.FullName
+			if e.DisplayName != "" {
+				name = strings.Split(e.DisplayName, " ")[0]
+			}
+			offboardingEmail := model.OffboardingEmail{
+				Name:          name,
+				TeamEmail:     e.TeamEmail,
+				PersonalEmail: e.PersonalEmail,
+			}
+
+			if err := r.service.GoogleMail.SendOffboardingMail(&offboardingEmail); err != nil {
+				l.Errorf(err, "failed to send offboard mail", "employeeID", e.ID.String())
+				return nil, done(err)
+			}
+		}
 	}
 
 	return e, err

pkg/model/employees.go

@@ -173,3 +173,9 @@ func (e Employees) ToTeamEmailIDMap() map[string]UUID {
 
 	return rs
 }
+
+type OffboardingEmail struct {
+	Name          string `json:"name"`
+	PersonalEmail string `json:"personalEmail"`
+	TeamEmail     string `json:"teamEmail"`
+}

pkg/service/googlemail/google_mail.go

@@ -457,3 +457,29 @@ func (g *googleService) SendInvitationMail(invitation *model.InvitationEmail) (e
 	_, err = g.sendEmail(encodedEmail, id)
 	return err
 }
+
+// SendOffboardingMail ...
+func (g *googleService) SendOffboardingMail(offboarding *model.OffboardingEmail) (err error) {
+	if err := g.ensureToken(g.appConfig.Google.TeamGoogleRefreshToken); err != nil {
+		return err
+	}
+
+	if err := g.prepareService(); err != nil {
+		return err
+	}
+
+	encodedEmail, err := composeMailContent(g.appConfig,
+		&MailParseInfo{
+			teamEmail,
+			"offboarding_keep_fwd_email.tpl",
+			&offboarding,
+			map[string]interface{}{},
+		})
+	if err != nil {
+		return err
+	}
+	id := g.appConfig.Google.TeamEmailID
+
+	_, err = g.sendEmail(encodedEmail, id)
+	return err
+}

pkg/service/googlemail/interface.go

@@ -20,4 +20,5 @@ type IService interface {
 	SendInvoiceOverdueMail(invoice *model.Invoice) (err error)
 	SendInvoiceThankYouMail(invoice *model.Invoice) (err error)
 	SendPayrollPaidMail(p *model.Payroll) (err error)
+	SendOffboardingMail(offboarding *model.OffboardingEmail) (err error)
 }

pkg/templates/offboarding_keep_fwd_email.tpl

@@ -0,0 +1,36 @@
+Mime-Version: 1.0
+From: "Team @ Dwarves Foundation" <team@d.foundation>
+To: {{.PersonalEmail}}
+Subject: Continue Using Your DF Email
+Content-Type: multipart/mixed; boundary=main
+
+--main
+Content-Type: text/html; charset="UTF-8"
+Content-Transfer-Encoding: quoted-printable
+
+<div dir=3D"ltr">
+	<div>Hi <b>{{.Name}}</b>,<div>
+			<div dir=3D"ltr">
+				<div><br></div>
+				<div>
+					We appreciate the efforts you put into your role at Dwarves Foundation. 
+					While your journey with DF has concluded, we'd like to offer a small way to stay connected: you can retain your DF email alias {{.TeamEmail}}.
+				</div>
+				<div><br></div>
+				<div><br></div>
+				<div>
+					This alias will forward incoming messages to your personal email {{.PersonalEmail}}, 
+					ensuring continuity and a professional touch for your correspondence.</div><br>
+					<div><br></div>
+				</div>
+				<div>If you have any questions, please feel free to get in touch.</div>
+				<div><br></div>
+				<div>Wishing you all the best,</div>
+			</div>
+		</div>
+	</div>
+	<div><br></div>-- <br>
+	{{ template "signature.tpl" }}
+</div>
+
+--main--