feat/role based access (#50)

* feat: add roles based access

* feat: update roles env + todo

* feat: add roles to update profile

* feat: add role based oauth

* feat: validate role for a given token

server/db/db.go

@@ -24,6 +24,7 @@ type Manager interface {
 	GetVerificationRequests() ([]VerificationRequest, error)
 	GetVerificationByEmail(email string) (VerificationRequest, error)
 	DeleteUser(email string) error
+	SaveRoles(roles []Role) error
 }
 
 type manager struct {
@@ -53,7 +54,7 @@ func InitDB() {
 	if err != nil {
 		log.Fatal("Failed to init db:", err)
 	} else {
-		db.AutoMigrate(&User{}, &VerificationRequest{})
+		db.AutoMigrate(&User{}, &VerificationRequest{}, &Role{})
 	}
 
 	Mgr = &manager{db: db}

server/db/roles.go

@@ -0,0 +1,19 @@
+package db
+
+import "log"
+
+type Role struct {
+	ID   uint `gorm:"primaryKey"`
+	Role string
+}
+
+// SaveRoles function to save roles
+func (mgr *manager) SaveRoles(roles []Role) error {
+	res := mgr.db.Create(&roles)
+	if res.Error != nil {
+		log.Println(`Error saving roles`)
+		return res.Error
+	}
+
+	return nil
+}

server/db/user.go

@@ -17,6 +17,7 @@ type User struct {
 	CreatedAt       int64 `gorm:"autoCreateTime"`
 	UpdatedAt       int64 `gorm:"autoUpdateTime"`
 	Image           string
+	Roles           string
 }
 
 // SaveUser function to add user even with email conflict