feat: dtos for wishList service;

feat: validator for guid;
feat: created interface for wishlist service

backend/internal/dto/wishList.go

@@ -0,0 +1,55 @@
+// Copyright (c) 2025 Nikolai Papin
+//
+// This file is part of Easywish
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+// the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package dto
+
+type WishListDto struct {
+	Guid 				string	`json:"guid"`
+	Name 				string	`json:"name"`
+	Hidden 			bool		`json:"hidden"`
+	IconName 		string	`json:"icon_name"`
+	Color 			string	`json:"color"`
+	ColorGrad 	string	`json:"color_grad"`
+}
+
+type NewWishListDto struct {
+	Name 			string	`json:"name" binding:"required" validate:"max=32"`
+	Hidden 		bool		`json:"hidden"`
+	IconName 	string	`json:"icon_name" validate:"omitempty,max=64"`
+	Color			string	`json:"color" validate:"omitempty,color_hex"`
+	ColorGrad	string	`json:"color_grad" validate:"omitempty,color_hex"`
+}
+
+type WishDto struct {
+	Guid 					string 	`json:"guid"`
+	WishListGuid 	string 	`json:"wish_list_guid"`
+	Name 					string 	`json:"name"`
+	Description 	string 	`json:"description"`
+	PictureUrl 		string 	`json:"picture_url"`
+	Stars 				int 		`json:"stars"`
+	CreationDate 	int64 	`json:"creation_date"`
+	Fulfilled 		bool 		`json:"fulfilled"`
+	FulfilledDate	int64 	`json:"fulfilled_date"`
+}
+
+type NewWishDto struct {
+	WishListGuid			string	`json:"wish_list_guid" binding:"required" validate:"guid"`
+	Name							string	`json:"name" binding:"required" validate:"max=64"`
+	Description				string	`json:"description" validate:"omitempty,max=1000"`
+	PictureUploadId		string	`json:"picture_upload_id" validate:"omitempty,upload_id=image"`
+	Stars							int			`json:"stars" validate:"min=1,max=5"`
+}

backend/internal/services/wishlist.go

@@ -0,0 +1,27 @@
+// Copyright (c) 2025 Nikolai Papin
+//
+// This file is part of Easywish
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+// the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package services
+
+import "easywish/internal/dto"
+
+type WishListService interface {
+	CreateWishList(cinfo dto.ClientInfo, object dto.NewWishListDto) (*dto.WishListDto, error)
+	CreateWish(cinfo dto.ClientInfo, object dto.NewWishDto) (*dto.WishDto, error)
+	GetWishListByGuid(cinfo dto.ClientInfo, guid string) (*dto.WishListDto, error)
+	GetUserWishListsPaginated(cinfo dto.ClientInfo, amount int, page int) (*[]dto.WishListDto, error)
+}

backend/internal/validation/custom.go

@@ -42,6 +42,13 @@ func GetCustomHandlers() []CustomValidatorHandler {
         return regexp.MustCompile(`^[a-zA-Z0-9_]{3,20}$`).MatchString(username)
 		}},
 
+		{
+			FieldName: "guid",
+			Function: func(fl validator.FieldLevel) bool {
+				guid := fl.Field().String()
+        return regexp.MustCompile(`^([{(]?([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-5][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12})[})]?)$`).MatchString(guid)
+		}},
+
 		{
 			FieldName: "name",
 			Function: func(fl validator.FieldLevel) bool {

sqlc/schema.sql

@@ -111,7 +111,7 @@ CREATE TABLE IF NOT EXISTS "wishes" (
   id BIGSERIAL PRIMARY KEY,
   guid UUID UNIQUE NOT NULL DEFAULT gen_random_uuid(),
   wish_list_id BIGINT UNIQUE NOT NULL REFERENCES wish_lists(id) ON DELETE CASCADE,
-  name VARCHAR(32) NOT NULL DEFAULT 'New wish',
+  name VARCHAR(64) NOT NULL DEFAULT 'New wish',
   description VARCHAR(1000) NOT NULL DEFAULT '',
   picture_url VARCHAR(512) NOT NULL DEFAULT '',
   stars SMALLINT NOT NULL DEFAULT 3 CHECK (stars BETWEEN 1 AND 5),