update

config/validator.go

@@ -0,0 +1,9 @@
+package config
+
+import (
+	"github.com/go-playground/validator/v10"
+)
+
+func NewValidator() *validator.Validate {
+	return validator.New()
+}

go.mod

@@ -3,6 +3,7 @@ module email-notification
 go 1.21.1
 
 require (
+	github.com/go-playground/validator/v10 v10.26.0
 	github.com/google/uuid v1.6.0
 	github.com/joho/godotenv v1.5.1
 	gorm.io/driver/postgres v1.5.11
@@ -10,14 +11,20 @@ require (
 )
 
 require (
+	github.com/gabriel-vasile/mimetype v1.4.8 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
 	github.com/jackc/pgservicefile v0.0.0-20221227161230-091c0ba34f0a // indirect
 	github.com/jackc/pgx/v5 v5.5.5 // indirect
 	github.com/jackc/puddle/v2 v2.2.1 // indirect
 	github.com/jinzhu/inflection v1.0.0 // indirect
 	github.com/jinzhu/now v1.1.5 // indirect
+	github.com/leodido/go-urn v1.4.0 // indirect
 	github.com/stretchr/testify v1.10.0 // indirect
-	golang.org/x/crypto v0.32.0 // indirect
+	golang.org/x/crypto v0.33.0 // indirect
-	golang.org/x/sync v0.10.0 // indirect
+	golang.org/x/net v0.34.0 // indirect
-	golang.org/x/text v0.21.0 // indirect
+	golang.org/x/sync v0.11.0 // indirect
+	golang.org/x/sys v0.30.0 // indirect
+	golang.org/x/text v0.22.0 // indirect
 )

go.sum

@@ -1,6 +1,16 @@
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/gabriel-vasile/mimetype v1.4.8 h1:FfZ3gj38NjllZIeJAmMhr+qKL8Wu+nOoI3GqacKw1NM=
+github.com/gabriel-vasile/mimetype v1.4.8/go.mod h1:ByKUIKGjh1ODkGM1asKUbQZOLGrPjydw3hYPU2YU9t8=
+github.com/go-playground/assert/v2 v2.2.0 h1:JvknZsQTYeFEAhQwI4qEt9cyV5ONwRHC+lYKSsYSR8s=
+github.com/go-playground/assert/v2 v2.2.0/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
+github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA=
+github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY=
+github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY=
+github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY=
+github.com/go-playground/validator/v10 v10.26.0 h1:SP05Nqhjcvz81uJaRfEV0YBSSSGMc/iMaVtFbr3Sw2k=
+github.com/go-playground/validator/v10 v10.26.0/go.mod h1:I5QpIEbmr8On7W0TktmJAumgzX4CA1XNl4ZmDuVHKKo=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/jackc/pgpassfile v1.0.0 h1:/6Hmqy13Ss2zCq62VdNG8tM1wchn8zjSGOBJ6icpsIM=
@@ -17,6 +27,8 @@ github.com/jinzhu/now v1.1.5 h1:/o9tlHleP7gOFmsnYNz3RGnqzefHA47wQpKrrdTIwXQ=
 github.com/jinzhu/now v1.1.5/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
 github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
 github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
+github.com/leodido/go-urn v1.4.0 h1:WT9HwE9SGECu3lg4d/dIA+jxlljEa1/ffXKmRjqdmIQ=
+github.com/leodido/go-urn v1.4.0/go.mod h1:bvxc+MVxLKB4z00jd1z+Dvzr47oO32F/QSNjSBOlFxI=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
@@ -24,12 +36,16 @@ github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UV
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
 github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
-golang.org/x/crypto v0.32.0 h1:euUpcYgM8WcP71gNpTqQCn6rC2t6ULUPiOzfWaXVVfc=
+golang.org/x/crypto v0.33.0 h1:IOBPskki6Lysi0lo9qQvbxiQ+FvsCC/YWOecCHAixus=
-golang.org/x/crypto v0.32.0/go.mod h1:ZnnJkOaASj8g0AjIduWNlq2NRxL0PlBrbKVyZ6V/Ugc=
+golang.org/x/crypto v0.33.0/go.mod h1:bVdXmD7IV/4GdElGPozy6U7lWdRXA4qyRVGJV57uQ5M=
-golang.org/x/sync v0.10.0 h1:3NQrjDixjgGwUOCaF8w2+VYHv0Ve/vGYSbdkTa98gmQ=
+golang.org/x/net v0.34.0 h1:Mb7Mrk043xzHgnRM88suvJFwzVrRfHEHJEl5/71CKw0=
-golang.org/x/sync v0.10.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/net v0.34.0/go.mod h1:di0qlW3YNM5oh6GqDGQr92MyTozJPmybPK4Ev/Gm31k=
-golang.org/x/text v0.21.0 h1:zyQAAkrwaneQ066sspRyJaG9VNi/YJ1NfzcGB3hZ/qo=
+golang.org/x/sync v0.11.0 h1:GGz8+XQP4FvTTrjZPzNKTMFtSXH80RAzG+5ghFPgK9w=
-golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ=
+golang.org/x/sync v0.11.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/sys v0.30.0 h1:QjkSwP/36a20jFYWkSue1YwXzLmsV5Gfq7Eiy72C1uc=
+golang.org/x/sys v0.30.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/text v0.22.0 h1:bofq7m3/HAFvbF51jz3Q9wLg3jkvSPuiZu/pD1XwgtM=
+golang.org/x/text v0.22.0/go.mod h1:YRoo4H8PVmsu+E3Ou7cqLVH8oXWIHVoX0jqUWALQhfY=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=

helper/helper.go

@@ -3,12 +3,17 @@ package helper
 import (
 	"bytes"
 	"email-notification/config"
+	"encoding/json"
+	"errors"
 	"fmt"
 	"html/template"
 	"log"
+	"net/http"
 	"net/smtp"
+	"reflect"
 	"time"
 
+	"github.com/go-playground/validator/v10"
 	"github.com/google/uuid"
 )
 
@@ -69,7 +74,7 @@ func FormatSince(t time.Time) string {
 }
 
 func SendEmail(to []string, cc []string, name, subject, message, htmlString string) error {
-	sender := "From: " + config.Mail().SMTPSenderName + "\n"
+	sender := "From: HIS <hats.nutech@gmail.com>\n"
 	subjectt := "Subject: " + subject + "\n"
 	mime := "MIME-version: 1.0;\nContent-Type: text/html; charset=\"UTF-8\";\n\n"
 	body := htmlString
@@ -85,3 +90,29 @@ func SendEmail(to []string, cc []string, name, subject, message, htmlString stri
 
 	return nil
 }
+
+func ParseRequest(r *http.Request, v any) error {
+	err := json.NewDecoder(r.Body).Decode(&v)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func ValidateRequest(request any) error {
+	c := config.NewValidator()
+	if err := c.Struct(request); err != nil {
+		var errMessage string
+		for _, err := range err.(validator.ValidationErrors) {
+			fmt.Println(err)
+			fieldName := err.Field()
+			field, _ := reflect.TypeOf(request).Elem().FieldByName(fieldName)
+			jsonField, _ := field.Tag.Lookup("json")
+			errMessage = jsonField + " is " + err.ActualTag()
+		}
+		fmt.Println(errMessage)
+		return errors.New(errMessage)
+	}
+
+	return nil
+}

model/model.go

@@ -13,3 +13,10 @@ type Workanniversary struct {
 	Fullname string    `json:"fullname"`
 	HireDate time.Time `json:"hire_date"`
 }
+
+type SendEmailRequest struct {
+	Subject string   `json:"subject" validate:"required"`
+	To      []string `json:"to" validate:"required"`
+	CC      []string `json:"cc"`
+	Message string   `json:"message"`
+}

route/route.go

@@ -199,6 +199,56 @@ func Route(db *gorm.DB) {
 		w.Write([]byte("success"))
 	}))
 
+	http.HandleFunc("/send-email", middleware.ResponseTimeMiddleware(func(w http.ResponseWriter, r *http.Request) {
+		if r.Method != http.MethodPost {
+			http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
+			return
+		}
+
+		sessionID := helper.GenerateSessionID()
+		module := "SEND EMAIL"
+		request := new(model.SendEmailRequest)
+
+		err := helper.ParseRequest(r, request)
+		if err != nil {
+			w.WriteHeader(500)
+			w.Write([]byte("system error"))
+			return
+		}
+
+		err = helper.ValidateRequest(request)
+		if err != nil {
+			w.WriteHeader(400)
+			w.Write([]byte(err.Error()))
+			return
+		}
+
+		subject := request.Subject
+
+		sendTo := request.To
+
+		type Data struct {
+			Message string
+		}
+
+		data := Data{Message: request.Message}
+
+		htmlString := helper.ParseHTML("template/general.html", data)
+
+		go func() {
+			log.Printf("%+v %+v SENDING EMAIL TO %+v", sessionID, module, sendTo)
+			err := helper.SendEmail(sendTo, request.CC, "", subject, "", htmlString)
+			if err != nil {
+				log.Printf("%+v %+v response %+v", sessionID, module, err.Error())
+			} else {
+				log.Printf("%+v %+v EMAIL SENT TO %+v", sessionID, module, sendTo)
+			}
+		}()
+
+		log.Printf("%+v %+v response %+v", sessionID, module, "success")
+		w.Write([]byte("success"))
+	}))
+
 	http.Handle("/", middleware.ResponseTimeMiddleware(func(w http.ResponseWriter, r *http.Request) {
 		if r.Method != http.MethodGet {
 			http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)

template/general.html

@@ -0,0 +1,55 @@
+<!DOCTYPE html>
+<html lang="id">
+  <head>
+    <meta charset="UTF-8" />
+    <title>Email</title>
+    <style>
+      body {
+        font-family: Arial, sans-serif;
+        background-color: #f2f4f6;
+        padding: 20px;
+      }
+      .container {
+        background-color: #ffffff;
+        padding: 20px;
+        border-radius: 8px;
+        max-width: 100%;
+        margin: auto;
+        border: 1px solid #e0e0e0;
+      }
+      .header {
+        color: #d62828;
+        font-size: 20px;
+        font-weight: bold;
+        margin-bottom: 15px;
+      }
+      .info {
+        font-size: 14px;
+        color: #333333;
+        margin-bottom: 10px;
+      }
+      .footer {
+        font-size: 12px;
+        color: #888;
+        margin-top: 20px;
+        text-align: center;
+      }
+    </style>
+  </head>
+  <body>
+    <div class="container">
+      <div class="info">
+        <p>{{.Message}}</p>
+        <br />
+      </div>
+      <div class="footer">
+        <p>Email ini dikirim oleh sistem.</p>
+        <img
+          src="http://36.66.3.44:9000/create-bucket-test/test-folder/LOGO_HIS_NI_New_Contrasted-removebg-preview.png?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=BDYv2npRYZw5fcXzd80c%2F20250417%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20250417T045323Z&X-Amz-Expires=604800&X-Amz-SignedHeaders=host&X-Amz-Signature=c399ff0031b0d8bc9b7073171bca8ad3a9c2b82a374e25e60dbd35bd5bd5775e"
+          alt="logo"
+          width="100px"
+        />
+      </div>
+    </div>
+  </body>
+</html>