prompt 1,2,3

internal/db/seed.go

@@ -0,0 +1,76 @@
+package db
+
+import (
+	"fmt"
+
+	"trustcontact/internal/auth"
+	"trustcontact/internal/models"
+
+	"gorm.io/gorm"
+	"gorm.io/gorm/clause"
+)
+
+func Seed(database *gorm.DB) error {
+	passwordHash, err := auth.HashPassword("password")
+	if err != nil {
+		return fmt.Errorf("hash seed password: %w", err)
+	}
+
+	seedUsers := []models.User{
+		{
+			Email:         "admin@example.com",
+			Role:          models.RoleAdmin,
+			EmailVerified: true,
+			PasswordHash:  passwordHash,
+		},
+		{
+			Email:         "user@example.com",
+			Role:          models.RoleUser,
+			EmailVerified: true,
+			PasswordHash:  passwordHash,
+		},
+		{
+			Email:         "demo1@example.com",
+			Role:          models.RoleUser,
+			EmailVerified: true,
+			PasswordHash:  passwordHash,
+		},
+		{
+			Email:         "demo2@example.com",
+			Role:          models.RoleUser,
+			EmailVerified: true,
+			PasswordHash:  passwordHash,
+		},
+		{
+			Email:         "demo3@example.com",
+			Role:          models.RoleUser,
+			EmailVerified: true,
+			PasswordHash:  passwordHash,
+		},
+	}
+
+	for _, user := range seedUsers {
+		if err := upsertUser(database, user); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func upsertUser(database *gorm.DB, user models.User) error {
+	result := database.Clauses(clause.OnConflict{
+		Columns: []clause.Column{{Name: "email"}},
+		DoUpdates: clause.AssignmentColumns([]string{
+			"role",
+			"email_verified",
+			"password_hash",
+			"updated_at",
+		}),
+	}).Create(&user)
+	if result.Error != nil {
+		return fmt.Errorf("seed user %s: %w", user.Email, result.Error)
+	}
+
+	return nil
+}