add findRoleMethod

action.go

@@ -101,6 +101,11 @@ func (s Service) GetAllRoles(query model.RoleAllQuery) model.RoleAll {
 	return role.All(query)
 }
 
+// FindRole ...
+func (s Service) FindRole(roleID string) (model.Role, error) {
+	return role.FindRole(roleID)
+}
+
 //
 // Permission
 //

role/db.go

@@ -104,4 +104,13 @@ func isRoleIDExisted(ctx context.Context, roleID primitive.ObjectID) bool {
 		return false
 	}
 	return total != 0
-}
+}
+
+func findByID(ctx context.Context, id primitive.ObjectID) (model.DBRole, error) {
+	var (
+		doc model.DBRole
+		col = database.GetRoleCol()
+	)
+	err := col.FindOne(ctx, bson.M{"_id": id}).Decode(&doc)
+	return doc, err
+}

role/handle.go

@@ -142,3 +142,25 @@ func getResponse(role model.DBRole) model.Role {
 		UpdatedAt: role.UpdatedAt,
 	}
 }
+
+// FindRole ...
+func FindRole(roleID string) (r model.Role, err error) {
+	var (
+		ctx = context.Background()
+	)
+
+	// Find role exists or not
+	id, isValid := mongodb.NewIDFromString(roleID)
+	if !isValid {
+		err = errors.New("invalid role id data")
+		return
+	}
+	role, _ := findByID(ctx, id)
+	if role.ID.IsZero() {
+		err = errors.New("role not found")
+		return
+	}
+
+	r = getResponse(role)
+	return
+}