Files
zineshop/models/paper.go
2025-06-29 15:37:02 +02:00

84 lines
1.6 KiB
Go

package models
import (
"fmt"
"github.com/gin-gonic/gin"
"gorm.io/gorm"
"strconv"
"strings"
)
type PaperSize string
const (
A3 PaperSize = "A3"
A4 PaperSize = "A4"
A5 PaperSize = "A5"
SRA3 PaperSize = "SRA3"
)
func ParseSize(s string) (c PaperSize, err error) {
s = strings.ToUpper(s)
if s == "A3" {
return A3, nil
} else if s == "A4" {
return A4, nil
} else if s == "A5" {
return A5, nil
} else if s == "SRA3" {
return SRA3, nil
}
return c, fmt.Errorf("Cannot parse category %s", s)
}
type Paper struct {
gorm.Model
Name string `json:"name" binding:"required" gorm:"not null"`
Brand string `json:"brand" binding:"required"`
Size PaperSize `json:"size" binding:"required"`
Weight int `json:"weight" binding:"required"`
Price float64 `json:"price" binding:"required"`
}
func NewPaper(ctx *gin.Context) (Paper, error) {
name := ctx.PostForm("name")
brand := ctx.PostForm("brand")
sizeTmp := ctx.PostForm("size")
weightTmp := ctx.PostForm("weight")
priceTmp := ctx.PostForm("price")
size, err := ParseSize(sizeTmp)
if err != nil {
return Paper{}, fmt.Errorf("Couldnt parse Size")
}
weight, err := strconv.Atoi(weightTmp)
if err != nil {
return Paper{}, fmt.Errorf("Couldnt parse Weight")
}
price, err := strconv.ParseFloat(priceTmp, 64)
if err != nil {
return Paper{}, fmt.Errorf("Couldnt parse Price")
}
if name == "" || brand == "" {
return Paper{}, fmt.Errorf("Name or brand empty")
}
// Convert the price string to float64
tag := Paper{
Name: name,
Brand: brand,
Size: size,
Weight: weight,
Price: price,
}
return tag, nil
}