begin

server/handlers/join.go

@@ -0,0 +1,148 @@
+package handlers
+
+import (
+	"net/http"
+	"github.com/rs/zerolog/log"
+	"crypto/rand"
+	"encoding/hex"
+	"encoding/json"
+	"regexp"
+	"time"
+	"context"
+
+	"hyperia/config"
+	"github.com/mailgun/mailgun-go/v4"
+)
+
+type joinRequest struct {
+	Email     string `json:"email"`
+}
+
+var emailRegex = regexp.MustCompile(`^[a-zA-Z0-9._%+\-]+@[a-zA-Z0-9.\-]+\.[a-zA-Z]{2,}$`)
+
+func isValidEmail(email string) bool {
+	return emailRegex.MatchString(email)
+}
+
+func HandleJoin(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodPost {
+		http.Error(w, "Only POST allowed", http.StatusMethodNotAllowed)
+		return
+	}
+
+	var creds joinRequest
+	if err := json.NewDecoder(r.Body).Decode(&creds); err != nil {
+		http.Error(w, "Invalid JSON", http.StatusBadRequest)
+		return
+	}
+
+	if !isValidEmail(creds.Email) {
+		http.Error(w, "Invalid email address", http.StatusBadRequest)
+		return
+	}
+
+	// exists, err := EmailExists(creds.Email)
+	// if err != nil {
+	// 	log.Printf("Error checking email: %v", err)
+	// 	http.Error(w, "Internal server error", http.StatusInternalServerError)
+	// 	return
+	// }
+	// if exists {
+	// 	http.Error(w, "Email already exists.", http.StatusConflict)
+	// 	return
+	// }
+
+	// err = CreateApplicant(creds.Email)
+	// if err != nil {
+	// 	log.Printf("Error creating applicant: %v", err)
+	// 	http.Error(w, "Failed to create applicant", http.StatusInternalServerError)
+	// 	return
+	// }
+
+	// token, err := generateVerificationToken(creds.Email)
+	// if err != nil {
+	// 	log.Printf("Error generating verification token: %v", err)
+	// 	http.Error(w, "Error, please try again later.", http.StatusInternalServerError)
+	// 	return
+	// }
+
+	// err = sendWelcomeEmail(creds.Email, token)
+	// if err != nil {
+	// 	log.Printf("Error sending welcome email: %v", err)
+	// 	http.Error(w, "Failed to send email", http.StatusInternalServerError)
+	// 	return
+	// }
+
+	w.WriteHeader(http.StatusOK)
+    w.Write([]byte("OK"))
+}
+
+func generateVerificationToken(email string) (string, error) {
+	// Create 32 random bytes → 64-char hex string
+	b := make([]byte, 32)
+	if _, err := rand.Read(b); err != nil {
+		return "", err
+	}
+	token := hex.EncodeToString(b)
+
+	// err := CreateApplicantVerification(email, token)
+	// if err != nil {
+	// 	return "", err
+	// }
+
+	return token, nil
+}
+
+func mailgunEmail(to string, token string) error {
+	// link format:  https://hyperia.so/verify?token=7a1a7cb986437cf8868b18cf43d73ce2e947d65aef30b42419bab957f5e51a09
+	domain := "mg.hyperia.so"
+	apiKey := "aeb90a0c75ef782eab6fc3d48fdf4435-812b35f5-fe818055"
+
+	mg := mailgun.NewMailgun(domain, apiKey)
+
+	sender := "welcome@" + domain
+	subject := "Verify Your Email"
+	verifyLink := config.BASE_URL + "/verify?token=" + token
+	body := "Thanks for signing up! Please verify your email by clicking this link: " + verifyLink
+	
+	message := mg.NewMessage(sender, subject, body, to)
+
+	ctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
+	defer cancel()
+
+	_, _, err := mg.Send(ctx, message)
+	return err
+}
+
+func sendWelcomeEmail(to string, token string) error {
+	if config.ENV == "development" {
+		verifyLink := config.BASE_URL + "/verify?token=" + token
+		log.Debug().Msgf("email Verify Link: %s", verifyLink)
+		return nil
+	}
+
+	return nil
+
+	// query := `
+	// 	INSERT INTO emails ("to", "from", subject, body, createdon, createdby, status)
+	// 	VALUES ($1, $2, $3, $4, $5, $6, $7)
+	// `
+
+	// sender := "noreply@mail.hyperia.so"
+	// subject := "Verify Your Email"
+	// verifyLink := config.BASE_URL + "/verify?token=" + token
+	// body := "Thanks for signing up! Please verify your email by clicking this link: " + verifyLink
+
+	// _, err := DB.Exec(
+	// 	query,
+	// 	to,
+	// 	sender,
+	// 	subject,
+	// 	body,
+	// 	time.Now(),     // createdon
+	// 	"go-backend",   // createdby
+	// 	"pending",      // status
+	// )
+
+	// return err
+}