Fix errors in swagger docs

cmd/http-server/main.go

@@ -88,6 +88,14 @@ func main() {
 			typesRoutes.PUT("/edit/:id", handlers.TypePutId)
 			typesRoutes.DELETE("/delete/:id", handlers.TypeDeleteId)
 		}
+		expensesRoutes := api.Group("/expense", middleware.AuthMiddleware())
+		{
+			expensesRoutes.POST("/add", handlers.ExpenseAdd)
+			expensesRoutes.GET("/:id", handlers.ExpenseGetId)
+			expensesRoutes.GET("/all", handlers.ExpenseGetAll)
+			expensesRoutes.PUT("/edit/:id", handlers.ExpensePutId)
+			expensesRoutes.DELETE("/delete/:id", handlers.ExpenseDeleteId)
+		}
 	}
 
 	r.GET("/swagger/*any", ginSwagger.WrapHandler(swaggerFiles.Handler))

db/db.go

@@ -58,5 +58,6 @@ func Connect() *gorm.DB {
 	gormDB.AutoMigrate(&User{})
 	gormDB.AutoMigrate(&Type{})
 	gormDB.AutoMigrate(&Session{})
+	gormDB.AutoMigrate(&Expense{})
 	return newUDB
 }

db/expense.go

@@ -0,0 +1,136 @@
+package db
+
+import (
+	"errors"
+	"log"
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type Expense struct {
+	gorm.Model
+	CardID  uint
+	Card    *Card
+	Value   uint64
+	Comment string
+	Date    time.Time
+	UserID  uint
+	User    *User
+	TypeID  uint
+	Type    *Type
+}
+
+// Implements db.UserIdentifiable:1
+func (e Expense) GetID() uint {
+	return e.ID
+}
+
+// Implements db.UserIdentifiable:2
+func (e Expense) GetUserID() uint {
+	return e.UserID
+}
+
+// Implements db.UserIdentifiable:3
+func (e *Expense) SetUserID(id uint) {
+	e.UserID = id
+}
+
+var (
+	ERROR_EXPENSE_INVALID_USERID            = errors.New("Expense's `UserID` and Card's `UserID` are not equal")
+	ERROR_EXPENSE_CARD_INSUFFICIENT_BALANCE = errors.New("Card's `Balance` is lower than Expense's Value")
+	ERROR_EXPENSE_INVALID_TYPE_USERID       = errors.New("Expense's `UserID` and Type's `UserID` are not equal")
+)
+
+func (e *Expense) BeforeCreate(tx *gorm.DB) error {
+	log.Printf("BeforeCreate")
+	card := &Card{}
+	if err := tx.Find(card, e.CardID).Error; err != nil {
+		return err
+	}
+	if card.UserID != e.UserID {
+		return ERROR_EXPENSE_INVALID_USERID
+	}
+	if card.Balance < e.Value {
+		return ERROR_EXPENSE_CARD_INSUFFICIENT_BALANCE
+	}
+	card.Balance -= e.Value
+	if err := tx.Save(card).Error; err != nil {
+		return err
+	}
+
+	typ := &Type{}
+	if err := tx.Find(typ, e.TypeID).Error; err != nil {
+		return err
+	}
+	log.Printf("e.UserID = %d\n", e.UserID)
+	log.Printf("e.TypeID= %d\n", e.TypeID)
+	log.Printf("typ.UserID= %d\n", typ.UserID)
+	if typ.UserID != e.UserID {
+		return ERROR_EXPENSE_INVALID_TYPE_USERID
+	}
+	return nil
+}
+
+func (e *Expense) BeforeUpdate(tx *gorm.DB) (err error) {
+	var original Expense
+	if err := tx.Model(&Expense{}).Select("card_id", "value").Where("id = ?", e.ID).First(&original).Error; err != nil {
+		return err
+	}
+	if original.CardID != 0 {
+		oldCard := &Card{}
+		if err := tx.Find(oldCard, original.CardID).Error; err != nil {
+			return err
+		}
+		if oldCard.UserID != e.UserID {
+			return ERROR_EXPENSE_INVALID_USERID
+		}
+		oldCard.Balance += e.Value
+		if err := tx.Save(oldCard).Error; err != nil {
+			return err
+		}
+	}
+
+	if e.CardID != 0 {
+		newCard := &Card{}
+		if err := tx.Find(newCard, e.CardID).Error; err != nil {
+			return err
+		}
+		if newCard.UserID != e.UserID {
+			return ERROR_EXPENSE_INVALID_USERID
+		}
+		if newCard.Balance < e.Value {
+			return ERROR_EXPENSE_CARD_INSUFFICIENT_BALANCE
+		}
+		newCard.Balance -= e.Value
+		if err := tx.Save(newCard).Error; err != nil {
+			return err
+		}
+	}
+	typ := &Type{}
+	if err := tx.Find(typ, e.TypeID).Error; err != nil {
+		return err
+	}
+	if typ.UserID != e.UserID {
+		return ERROR_EXPENSE_INVALID_TYPE_USERID
+	}
+	return nil
+}
+
+func (e *Expense) AfterDelete(tx *gorm.DB) (err error) {
+	card := &Card{}
+	if err := tx.Find(card, e.CardID).Error; err != nil {
+		return err
+	}
+	if card.UserID != e.UserID {
+		return ERROR_EXPENSE_INVALID_USERID
+	}
+	if card.Balance < e.Value {
+		return ERROR_EXPENSE_CARD_INSUFFICIENT_BALANCE
+	}
+	card.Balance += e.Value
+	if err := tx.Save(card).Error; err != nil {
+		return err
+	}
+	return nil
+}

handlers/card.go

@@ -63,8 +63,8 @@ func CardGetAll(c *gin.Context) {
 	c.JSON(200, ret)
 }
 
-// @Summary Get card by id
+// @Summary Add card
-// @Description Get card by id
+// @Description Add card
 // @Tags card
 // @Accept json
 // @Produce json

handlers/category.go

@@ -62,8 +62,8 @@ func CategoryGetAll(c *gin.Context) {
 	c.JSON(200, ret)
 }
 
-// @Summary Get category by id
+// @Summary Add category
-// @Description Get category by id
+// @Description Add category
 // @Tags category
 // @Accept json
 // @Produce json

handlers/debt.go

@@ -35,8 +35,8 @@ func DebtGetId(c *gin.Context) {
 	})(c)
 }
 
-// @Summary Get debt by id
+// @Summary Add debt
-// @Description Get debt by id
+// @Description Add debt
 // @Tags debt
 // @Accept json
 // @Produce json

handlers/expense.go

@@ -0,0 +1,134 @@
+package handlers
+
+import (
+	"git.qowevisa.me/Qowevisa/fin-check-api/db"
+	"git.qowevisa.me/Qowevisa/fin-check-api/types"
+	"github.com/gin-gonic/gin"
+)
+
+var expenseTransform func(inp *db.Expense) types.DbExpense = func(inp *db.Expense) types.DbExpense {
+	return types.DbExpense{
+		ID:      inp.ID,
+		CardID:  inp.CardID,
+		TypeID:  inp.TypeID,
+		Value:   inp.Value,
+		Comment: inp.Comment,
+		Date:    inp.Date,
+	}
+}
+
+// @Summary Get expense by id
+// @Description Get expense by id
+// @Tags expense
+// @Accept json
+// @Produce json
+// @Param Authorization header string true "Bearer token"
+// @Param expense path int true "id"
+// @Success 200 {object} types.DbExpense
+// @Failure 400 {object} types.ErrorResponse
+// @Failure 401 {object} types.ErrorResponse
+// @Failure 403 {object} types.ErrorResponse
+// @Failure 500 {object} types.ErrorResponse
+// @Security ApiKeyAuth
+// @Router /expense/:id [get]
+func ExpenseGetId(c *gin.Context) {
+	GetHandler(expenseTransform)(c)
+}
+
+// @Summary Get all expenses for user
+// @Description Get all expenses for user
+// @Tags type
+// @Produce json
+// @Param Authorization header string true "Bearer token"
+// @Success 200 {object} []types.DbExpense
+// @Failure 401 {object} types.ErrorResponse
+// @Failure 500 {object} types.ErrorResponse
+// @Security ApiKeyAuth
+// @Router /expense/all [get]
+func ExpenseGetAll(c *gin.Context) {
+	userID, err := GetUserID(c)
+	if err != nil {
+		c.JSON(500, types.ErrorResponse{Message: err.Error()})
+		return
+	}
+	dbc := db.Connect()
+	var entities []*db.Expense
+	if err := dbc.Find(&entities, db.Expense{UserID: userID}).Error; err != nil {
+		c.JSON(500, types.ErrorResponse{Message: err.Error()})
+		return
+	}
+
+	var ret []types.DbExpense
+	for _, entity := range entities {
+		ret = append(ret, expenseTransform(entity))
+	}
+	c.JSON(200, ret)
+}
+
+// @Summary Add expense
+// @Description Add expense
+// @Tags expense
+// @Accept json
+// @Produce json
+// @Param Authorization header string true "Bearer token"
+// @Param expense body types.DbExpense true "Expense"
+// @Success 200 {object} types.Message
+// @Failure 400 {object} types.ErrorResponse
+// @Failure 500 {object} types.ErrorResponse
+// @Security ApiKeyAuth
+// @Router /expense/add [post]
+func ExpenseAdd(c *gin.Context) {
+	CreateHandler(&db.Expense{}, func(src types.DbExpense, dst *db.Expense) {
+		dst.CardID = src.CardID
+		dst.TypeID = src.TypeID
+		dst.Value = src.Value
+		dst.Comment = src.Comment
+		dst.Date = src.Date
+	})(c)
+}
+
+// @Summary Edit expense by id
+// @Description Edit expense by id
+// @Tags expense
+// @Accept json
+// @Produce json
+// @Param Authorization header string true "Bearer token"
+// @Param expenseID path int true "id"
+// @Param expense body types.DbExpense true "Expense"
+// @Success 200 {object} types.DbExpense
+// @Failure 400 {object} types.ErrorResponse
+// @Failure 401 {object} types.ErrorResponse
+// @Failure 403 {object} types.ErrorResponse
+// @Failure 500 {object} types.ErrorResponse
+// @Security ApiKeyAuth
+// @Router /expense/edit/:id [put]
+func ExpensePutId(c *gin.Context) {
+	UpdateHandler(
+		func(src types.DbExpense, dst *db.Expense) {
+			dst.CardID = src.CardID
+			dst.TypeID = src.TypeID
+			dst.Value = src.Value
+			dst.Comment = src.Comment
+			dst.Date = src.Date
+		},
+		expenseTransform,
+	)(c)
+}
+
+// @Summary Delete expense by id
+// @Description Delete expense by id
+// @Tags expense
+// @Accept json
+// @Produce json
+// @Param Authorization header string true "Bearer token"
+// @Param expenseID path int true "id"
+// @Success 200 {object} types.DbExpense
+// @Failure 400 {object} types.ErrorResponse
+// @Failure 401 {object} types.ErrorResponse
+// @Failure 403 {object} types.ErrorResponse
+// @Failure 500 {object} types.ErrorResponse
+// @Security ApiKeyAuth
+// @Router /expense/delete/:id [delete]
+func ExpenseDeleteId(c *gin.Context) {
+	DeleteHandler[*db.Expense]()(c)
+}

handlers/income.go

@@ -73,8 +73,8 @@ func IncomeGetId(c *gin.Context) {
 	c.JSON(200, ret)
 }
 
-// @Summary Get income by id
+// @Summary Add income
-// @Description Get income by id
+// @Description Add income
 // @Tags income
 // @Accept json
 // @Produce json

handlers/type.go

@@ -63,8 +63,8 @@ func TypeGetAll(c *gin.Context) {
 	c.JSON(200, ret)
 }
 
-// @Summary Get dbtype by id
+// @Summary Add dbtype
-// @Description Get dbtype by id
+// @Description Add dbtype
 // @Tags dbtype
 // @Accept json
 // @Produce json

handlers/user_scope_CRUD.go

@@ -115,7 +115,8 @@ func UpdateHandler[T db.UserIdentifiable, R any](
 
 		var updates R
 		if err := c.ShouldBindJSON(&updates); err != nil {
-			c.JSON(400, types.ErrorResponse{Message: "Invalid request"})
+			log.Printf("c.ShouldBindJSON: error: %v\n", err)
+			c.JSON(400, types.ErrorResponse{Message: "Invalid request: 2"})
 			return
 		}
 

types/types.go

@@ -80,3 +80,12 @@ type Session struct {
 	ID     string `json:"id"`
 	UserID uint   `json:"user_id" example:"1"`
 }
+
+type DbExpense struct {
+	ID      uint      `json:"id" example:"1"`
+	CardID  uint      `json:"card_id" example:"1"`
+	TypeID  uint      `json:"type_id" example:"1"`
+	Value   uint64    `json:"value" example:"20000"`
+	Comment string    `json:"comment" example:"pizza"`
+	Date    time.Time `json:"date" example:"29/11/2001 12:00"`
+}