Add hermes service.

compose-development.yaml

@@ -5,7 +5,7 @@ services:
       - .env
     build:
       context: .
-      dockerfile: Dockerfile-local
+      dockerfile: Dockerfile-development
     restart: unless-stopped
     depends_on:
       - feedback-postgres
@@ -34,6 +34,42 @@ services:
     networks:
       - feedback-postgres-network
 
+
+  hermes-service:
+    container_name: ${APP_NAME}_hermes-service
+    env_file:
+      - .env
+    build:
+      context: .
+      dockerfile: Dockerfile-development
+    restart: unless-stopped
+    depends_on:
+      - hermes-postgres
+    environment:
+      SERVICE_NAME: hermes
+      DB_HOST: hermes-postgres
+    ports:
+      - 8080:8080
+      - 40000:40000
+    networks:
+      - hermes-service-network
+      - hermes-postgres-network
+
+  hermes-postgres:
+    container_name: ${APP_NAME}_hermes-postgres
+    image: postgres:alpine3.19
+    restart: unless-stopped
+    volumes:
+      - ${APP_NAME}_hermes_postgres-data:/var/lib/postgresql/data
+    environment:
+      POSTGRES_USER: $DB_USERNAME
+      POSTGRES_PASSWORD: $DB_PASSWORD
+      POSTGRES_DB: $DB_NAME
+    ports:
+      - 5432:5432
+    networks:
+      - hermes-postgres-network
+
   adminer:
     container_name: ${APP_NAME}_adminer-postgres
     image: adminer:4.8.1
@@ -42,8 +78,10 @@ services:
       - 8081:8080
     depends_on:
       - feedback-postgres
+      - hermes-postgres
     networks:
       - feedback-postgres-network
+      - hermes-postgres-network
 
 networks:
   feedback-postgres-network:
@@ -53,6 +91,16 @@ networks:
     name: ${APP_NAME}_feedback-service-network
     driver: bridge
 
+  hermes-postgres-network:
+    name: ${APP_NAME}_hermes_postgres-network
+    driver: bridge
+  hermes-service-network:
+    name: ${APP_NAME}_hermes-service-network
+    driver: bridge
+
 volumes:
   feedback-postgres-data:
-    name: ${APP_NAME}_feedback_postgres-data
+    name: ${APP_NAME}_feedback_postgres-data
+
+  hermes-postgres-data:
+    name: ${APP_NAME}_hermes_postgres-data

compose-local-single-service.yaml

@@ -9,13 +9,16 @@ services:
     restart: unless-stopped
     depends_on:
       - postgres
+    security_opt:
+      - seccomp:unconfined
     volumes:
       - ./:/app
     ports:
       - 8080:8080
+      - 40000:40000
     networks:
-      - postgres-network
       - app-network
+      - postgres-network
 
   postgres:
     container_name: ${DOCKER_PREFIX_NAME}_postgres

core/controllers/HermesController.go

@@ -0,0 +1,108 @@
+package controllers
+
+import (
+	"TSS-microservices/common"
+	hermes_forms "TSS-microservices/core/http/requests/hermes-forms"
+	"TSS-microservices/core/models"
+	"TSS-microservices/core/repositories"
+	"bytes"
+	"fmt"
+	"github.com/gin-gonic/gin"
+	"net/http"
+	"net/smtp"
+	"os"
+	"strings"
+	"text/template"
+)
+
+type HermesController struct {
+	Repository repositories.MailTemplateRepository
+}
+
+// swagger:operation POST /hermes/send-mail Hermes SendMail
+//
+// # Send mail
+//
+// ---
+// produces:
+// - application/json
+// consumes:
+// - application/json
+// responses:
+//	 200:
+//	  description: send email
+//	  schema:
+//	    type: object
+//	    properties:
+//	      message:
+//	        type: string
+//	 400:
+//	  "$ref": "#/responses/ValidationError"
+
+func (controller *HermesController) SendMail(context *gin.Context) {
+	input := hermes_forms.SendMailFormRequest{}
+	if err := context.ShouldBindJSON(&input); err != nil {
+		context.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	mailTemplate := models.MailTemplate{}
+	err := controller.Repository.GetByCode(&mailTemplate, input.Code)
+	if err != nil {
+		context.JSON(common.ErrorHandlerHttpResponse(err))
+		return
+	}
+
+	if input.Subject != "" {
+		mailTemplate.Subject = input.Subject
+	}
+
+	message, err := controller.handleMailMessage(mailTemplate, input.PlaceHolder)
+
+	if err != nil {
+		context.JSON(common.ErrorHandlerHttpResponse(err))
+		return
+	}
+
+	sendMail(message, input.Recipients)
+
+	context.JSON(http.StatusCreated, gin.H{"message": "Successful!"})
+}
+
+func (controller *HermesController) handleMailMessage(mailTemplate models.MailTemplate, placeholder map[string]string) (string, error) {
+	for key, value := range placeholder {
+		mailTemplate.Content = strings.Replace(mailTemplate.Content, "{{."+key+"}}", value, -1)
+	}
+
+	var message bytes.Buffer
+	mimeHeaders := "MIME-version: 1.0;\nContent-Type: text/html; charset=\"UTF-8\";\n\n"
+	message.Write([]byte(fmt.Sprintf("Subject: "+mailTemplate.Subject+"\n%s\n\n", mimeHeaders)))
+
+	mailTemplate1, _ := template.ParseFiles("storage/app/mail-layouts/" + mailTemplate.Layout + ".html")
+
+	err := mailTemplate1.Execute(&message, struct {
+		Content string
+	}{Content: mailTemplate.Content})
+
+	if err != nil {
+		fmt.Println(err)
+		return "", err
+	}
+
+	return message.String(), nil
+}
+
+func sendMail(message string, recipients []string) {
+	mailHost := os.Getenv("MAIL_HOST")
+	mailPort := os.Getenv("MAIL_PORT")
+	sender := os.Getenv("MAIL_USERNAME")
+	password := os.Getenv("MAIL_PASSWORD")
+
+	auth := smtp.PlainAuth("", sender, password, mailHost)
+	err := smtp.SendMail(mailHost+":"+mailPort, auth, sender, recipients, []byte(message))
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+	fmt.Println("Email Sent Successfully!")
+}

core/http/requests/hermes-forms/SendMailFormRequest.go

@@ -0,0 +1,18 @@
+package hermes_forms
+
+type SendMailFormRequest struct {
+	// required: true
+	Code string `json:"code" binding:"required"`
+	// required: true
+	Recipients  []string          `json:"recipients" binding:"required"`
+	PlaceHolder map[string]string `json:"placeholder" binding:"required"`
+	Subject     string            `json:"subject"`
+}
+
+// swagger:parameters SendMail
+type Payload struct {
+	// required: true
+	// in: body
+	// type: object
+	Body SendMailFormRequest
+}

core/models/MailTemplate.go

@@ -0,0 +1,17 @@
+package models
+
+import (
+	"gorm.io/gorm"
+	"time"
+)
+
+type MailTemplate struct {
+	ID        uint           `gorm:"primaryKey" json:"id" binding:"numeric"`
+	Code      string         `json:"code" binding:"required"`
+	Subject   string         `json:"subject" binding:"required"`
+	Content   string         `json:"content" binding:"required"`
+	Layout    string         `json:"layout" binding:"required"`
+	CreatedAt time.Time      `json:"created_at"`
+	UpdatedAt time.Time      `json:"updated_at"`
+	DeletedAt gorm.DeletedAt `json:"deleted_at" gorm:"index"`
+}

core/repositories/MailTemplateRepository.go

@@ -0,0 +1,33 @@
+package repositories
+
+import (
+	"TSS-microservices/core/models"
+	"TSS-microservices/database"
+)
+
+type MailTemplateRepository struct {
+	database.Connection
+}
+
+func (repository *MailTemplateRepository) ImplementFBRepo() {
+}
+
+func (repository *MailTemplateRepository) Create(model *models.MailTemplate) error {
+	return repository.Connection.GormDb.Create(model).Error
+}
+
+func (repository *MailTemplateRepository) GetById(model *models.MailTemplate) error {
+	return repository.Connection.GormDb.First(model, model.ID).Error
+}
+
+func (repository *MailTemplateRepository) Paginate(MailTemplate *[]models.MailTemplate, limit int, offset int, conditions map[string]any) error {
+	if conditions == nil {
+		return repository.Connection.GormDb.Limit(limit).Offset(offset).Find(MailTemplate).Error
+	}
+
+	return repository.Connection.GormDb.Where(conditions).Limit(limit).Offset(offset).Find(MailTemplate).Error
+}
+
+func (repository *MailTemplateRepository) GetByCode(model *models.MailTemplate, code string) error {
+	return repository.Connection.GormDb.Where(map[string]any{"code": code}).First(model).Error
+}

core/routes/api-v1.go

@@ -43,5 +43,14 @@ func NewApiRoutes(router *gin.Engine) {
 			apiV1RouterGroup.GET("/feedback", feedbackController.GetMany)
 		}
 
+		if serviceName == "hermes" {
+			hermesController := controllers.HermesController{
+				Repository: repositories.MailTemplateRepository{
+					Connection: databaseConnection,
+				},
+			}
+
+			apiV1RouterGroup.POST("/hermes/send-mail", hermesController.SendMail)
+		}
 	}
 }

database/migrations/hermes/20240730162305_create_mail_templates_table.sql

@@ -0,0 +1,20 @@
+-- +goose Up
+-- +goose StatementBegin
+CREATE TABLE mail_templates
+(
+    id         SERIAL PRIMARY KEY, -- Use SERIAL for auto-incrementing integer
+    code       VARCHAR(50)  NOT NULL UNIQUE,
+    subject    VARCHAR(100) NOT NULL UNIQUE,
+    content    text         NOT NULL DEFAULT '',
+    layout     VARCHAR(50)  NOT NULL UNIQUE,
+    created_at TIMESTAMP    NOT NULL,
+    updated_at TIMESTAMP    NOT NULL,
+    deleted_at TIMESTAMP             DEFAULT NULL
+) WITH (OIDS = FALSE);
+-- OIDS are not typically used in PostgreSQL
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+DROP TABLE IF EXISTS mail_templates;
+-- +goose StatementEnd

database/migrations/hermes/20240731162305_create_seed_data_to_mail_templates_table.sql

@@ -0,0 +1,16 @@
+-- +goose Up
+-- +goose StatementBegin
+INSERT INTO mail_templates (code, subject, content, layout, created_at, updated_at)
+VALUES ('reset_password',
+        'Yêu cầu đặt lại mật khẩu.',
+        '<td style="padding: 1rem; padding-top: 1.5rem !important; padding-bottom: 1.5rem !important;"> <p> Xin chào {{.Name}},<br /> Bạn đã yêu cầu đặt lại mật khẩu. Hãy truy cập vào đường link phía dưới để đặt lại mật khẩu:<br /> </p> <p><a href="{{.Url}}" style="color: #04af04; font-size: 15px; text-decoration: none;">Đặt lại mật khẩu</a></p> <p>Nếu không phải là bạn đã yêu cầu đặt lại mật khẩu, hãy bỏ qua email này.</p> <p>Trân trọng.</p> <div style="margin-top: 0.25rem; font-weight: bold; font-style: italic; color: #04af04;">Đội ngũ phát triển UTCKetnoi</div> </td>',
+        'layout1',
+        NOW(), NOW());
+-- OIDS are not typically used in PostgreSQL
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+DELETE FROM mail_templates;
+-- +goose StatementEnd
+

storage/app/mail-layouts/layout1.html

@@ -0,0 +1,46 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <title></title>
+    <meta charset="utf-8" />
+    <meta http-equiv="X-UA-Compatible" content="IE=edge, chrome=1" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+</head>
+
+<body>
+<table style="width: 100%; height: 100%; font-family: Arial, Helvetica, sans-serif; border-collapse: collapse; font-family: Arial, Helvetica, sans-serif; font-size: 14px;">
+    <tbody>
+    <tr>
+        <td style="width: 100%; height: 100%; padding: 20px" class="box-wrapper">
+            <table style="border-collapse: collapse; width: 600px; margin: auto; border: 1px solid #dddddd;">
+                <tbody>
+                <tr class="header">
+                    <td style="height: 100%; display: flex; padding: 1rem; border-bottom: 1px solid #dddddd;">
+                        <a style="display: flex; align-items: center; text-decoration: none;" href="https://utcketnoi.edu.vn" target="_blank">
+                            <img style="height: 100%; height: 65px; display: block; object-fit: cover;" src="https://utcketnoi.edu.vn/assets/img/logo-text.png" />
+                            <span style="margin-left: 0.75rem; color: #000000; font-size: 20px; font-weight: 600;"> HỆ THỐNG QUẢN LÝ LỊCH GIẢNG DẠY </span>
+                        </a>
+                    </td>
+                </tr>
+                <tr class="body">
+                    {{ .Content }}
+                </tr>
+                <tr class="footer">
+                    <td style="text-align: center; padding: 1rem; font-size: 13px;">
+                        <div style="height: 1px; margin: 0 5rem 1rem; background-color: #1976d2; opacity: 0.36;"></div>
+                        <a href="https://utcketnoi.edu.vn" target="_blank"> UTCKetnoi </a><br />
+                        <span style="display: block; margin-top: 0.25rem; color: #333333;"> Đây là tin nhắn tự động, vui lòng không phản hồi </span>
+                        <span style="display: block; margin-top: 0.25rem; color: #333333;"> Để được hỗ trợ, vui lòng nhắn tin qua tài khoản hỗ trợ <a href="https://m.me/utcketnoi" target="_blank">tại đây</a>
+                  </span>
+                    </td>
+                </tr>
+                </tbody>
+            </table>
+        </td>
+    </tr>
+    </tbody>
+</table>
+</body>
+
+</html>