add basic paper model/view/controller

paper weight is missing

controllers/configController.go

@@ -15,6 +15,12 @@ type ConfigController interface {
 	AddConfigHandler(*gin.Context)
 	ConfigHandler(*gin.Context)
 	ConfigView(*gin.Context)
+
+	GetAllPaper(*gin.Context)
+	PaperView(*gin.Context)
+	PaperHandler(*gin.Context)
+	AddPaperHandler(*gin.Context)
+
 	CreateTag(*gin.Context)
 	GetAllTags(*gin.Context)
 	TagView(*gin.Context)
@@ -108,6 +114,99 @@ func (rc *configController) ConfigHandler(ctx *gin.Context) {
 	rc.ConfigView(ctx)
 }
 
+func (rc *configController) PaperHandler(ctx *gin.Context) {
+	newPaper, err := models.NewPaper(ctx)
+	action := ctx.PostForm("action")
+
+	if err != nil {
+		fmt.Println(err)
+		ctx.HTML(http.StatusBadRequest, "paperview.html", gin.H{"error": err})
+		return
+	}
+
+	paper, err := repositories.Papers.GetById(ctx.Param("id"))
+
+	if err != nil {
+		fmt.Println(err)
+		ctx.HTML(http.StatusBadRequest, "paperview.html", gin.H{"error": err})
+		return
+	}
+
+	if action == "update" {
+		paper.Name = newPaper.Name
+		paper.Brand = newPaper.Brand
+		paper.Size = newPaper.Size
+		paper.Price = newPaper.Price
+		paper, err = repositories.Papers.Update(paper)
+
+		if err != nil {
+			fmt.Println(err)
+			ctx.HTML(http.StatusBadRequest, "paperview.html", gin.H{"error": err})
+			return
+		}
+	}
+
+	if action == "delete" {
+		repositories.Papers.DeleteById(ctx.Param("id"))
+	}
+
+	rc.PaperView(ctx)
+}
+
+func (rc *configController) AddPaperHandler(c *gin.Context) {
+	paper, err := models.NewPaper(c)
+
+	if err != nil {
+		fmt.Println(err)
+		c.HTML(http.StatusBadRequest, "paperview.html", gin.H{"error": err})
+		return
+	}
+
+	_, err = repositories.Papers.Create(paper)
+	if err != nil {
+		data := CreateSessionData(c, gin.H{
+			"error":   err,
+			"success": "",
+		})
+
+		c.HTML(http.StatusOK, "paperview.html", data)
+		return
+	}
+
+	rc.PaperView(c)
+}
+
+func (rc *configController) PaperView(c *gin.Context) {
+	papers, err := repositories.Papers.GetAll()
+
+	if err != nil {
+		c.HTML(http.StatusBadRequest, "paperview.html", gin.H{"data": gin.H{"error": err}})
+	}
+
+	data := CreateSessionData(c, gin.H{
+		"paper": papers,
+	})
+
+	if err != nil {
+		c.HTML(http.StatusBadRequest, "paperview.html", data)
+	}
+
+	c.HTML(http.StatusOK, "paperview.html", data)
+}
+
+func (rc *configController) GetAllPaper(c *gin.Context) {
+	papers, err := repositories.Papers.GetAll()
+
+	if err != nil {
+		ReplyError(c, fmt.Errorf("Could not query Papers"))
+		return
+	}
+
+	c.JSON(http.StatusOK, papers)
+}
+
+//////////////////////////////////////////////////////////////////////
+
 func (rc *configController) TagHandler(ctx *gin.Context) {
 	name := ctx.PostForm("name")
 	color := ctx.PostForm("color")

main.go

@@ -76,6 +76,12 @@ func main() {
 		viewRoutes.POST("/tags/:id", authValidator.RequireAdmin, configController.TagHandler)
 		viewRoutes.GET("/tags/:id", userController.TagView)
 		viewRoutes.POST("/tags", authValidator.RequireAdmin, configController.AddTagHandler)
+
+		viewRoutes.GET("/paper", authValidator.RequireAdmin, configController.PaperView)
+		viewRoutes.POST("/paper/:id", authValidator.RequireAdmin, configController.PaperHandler)
+		viewRoutes.GET("/paper/:id", userController.TagView)
+		viewRoutes.POST("/paper", authValidator.RequireAdmin, configController.AddPaperHandler)
+
 		viewRoutes.GET("/cart", authValidator.RequireAuth, cartItemController.CartItemView)
 		viewRoutes.POST("/cart", authValidator.RequireAuth, cartItemController.AddItemHandler)
 		viewRoutes.POST("/cart/delete", authValidator.RequireAuth, cartItemController.DeleteItemHandler)

models/paper.go

@@ -0,0 +1,74 @@
+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"`
+	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")
+	priceTmp := ctx.PostForm("price")
+
+	price, err := strconv.ParseFloat(priceTmp, 64)
+
+	if err != nil {
+		return Paper{}, fmt.Errorf("Couldnt parse Price")
+	}
+
+	size, err := ParseSize(sizeTmp)
+
+	if err != nil {
+		return Paper{}, fmt.Errorf("Couldnt parse Size")
+	}
+
+	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,
+		Price: price,
+	}
+
+	return tag, nil
+}

repositories/paperRepository.go

@@ -0,0 +1,82 @@
+package repositories
+
+import (
+	"strconv"
+
+	"gorm.io/gorm"
+
+	"git.dynamicdiscord.de/kalipso/zineshop/models"
+)
+
+type PaperRepository interface {
+	Create(models.Paper) (models.Paper, error)
+	GetAll() ([]models.Paper, error)
+	GetById(string) (models.Paper, error)
+	//GetByShopItemId(string) (models.Paper, error)
+	Update(models.Paper) (models.Paper, error)
+	DeleteById(string) error
+}
+
+type GORMPaperRepository struct {
+	DB *gorm.DB
+}
+
+func NewGORMPaperRepository(db *gorm.DB) PaperRepository {
+	return &GORMPaperRepository{
+		DB: db,
+	}
+}
+
+func (t *GORMPaperRepository) Create(tag models.Paper) (models.Paper, error) {
+	result := t.DB.Create(&tag)
+
+	if result.Error != nil {
+		return models.Paper{}, result.Error
+	}
+
+	return tag, nil
+}
+
+func (t *GORMPaperRepository) GetAll() ([]models.Paper, error) {
+	var tags []models.Paper
+	result := t.DB.Find(&tags)
+
+	return tags, result.Error
+}
+
+func (t *GORMPaperRepository) GetById(id string) (models.Paper, error) {
+	tagId, err := strconv.Atoi(id)
+
+	if err != nil {
+		return models.Paper{}, err
+	}
+
+	var tag models.Paper
+	result := t.DB.First(&tag, uint(tagId))
+
+	if result.Error != nil {
+		return models.Paper{}, result.Error
+	}
+
+	return tag, nil
+}
+
+func (t *GORMPaperRepository) Update(tag models.Paper) (models.Paper, error) {
+	result := t.DB.Save(&tag)
+	if result.Error != nil {
+		return models.Paper{}, result.Error
+	}
+
+	return tag, nil
+}
+
+func (t *GORMPaperRepository) DeleteById(id string) error {
+	tagId, err := strconv.Atoi(id)
+
+	if err != nil {
+		return err
+	}
+
+	result := t.DB.Delete(&models.Paper{}, tagId)
+	return result.Error
+}

repositories/repository.go

@@ -16,6 +16,7 @@ var (
 	Orders        OrderRepository
 	Tokens        RegisterTokenRepository
 	ConfigOptions ConfigRepository
+	Papers        PaperRepository
 )
 
 func InitRepositories() {
@@ -45,4 +46,5 @@ func InitRepositories() {
 	Orders = NewGORMOrderRepository(db)
 	Tokens = NewGORMRegisterTokenRepository(db)
 	ConfigOptions = NewGORMConfigRepository(db)
+	Papers = NewGORMPaperRepository(db)
 }

views/paperview.html

@@ -0,0 +1,37 @@
+{{ template "header.html" . }}
+
+
+<div class="flex min-h-full flex-col justify-center px-6 py-12 lg:px-8">
+  <div class="sm:mx-auto sm:w-full sm:max-w-sm">
+    <img class="mx-auto h-10 w-auto" src="/static/img/logo-black.png" alt="Your Company">
+    <h2 class="mt-10 text-center text-2xl/9 font-bold tracking-tight text-gray-900">Edit Paper</h2>
+  </div>
+
+  <div class="mt-10 sm:mx-auto sm:w-full sm:max-w-sm">
+  {{ range .data.paper }}
+    <form action="/paper/{{ .ID }}" method="POST">
+      <div class="max-w-md mx-auto mt-4">
+        <div class="flex">
+
+          <input type="text" id="name" name="name" value="{{ .Name }}" class="flex-grow border border-gray-300 rounded-l-md p-2 focus:outline-none focus:ring focus:ring-blue-500">
+          <input type="text" id="brand" name="brand" value="{{ .Brand }}" class="flex-grow border border-gray-300 rounded-l-md p-2 focus:outline-none focus:ring focus:ring-blue-500">
+          <input type="text" id="size" name="size" value="{{ .Size }}" class="flex-grow border border-gray-300 rounded-l-md p-2 focus:outline-none focus:ring focus:ring-blue-500">
+          <input type="number" step="0.01" min="0.00" id="price" name="price" value="{{ .Price }}" class="flex-grow border border-gray-300 rounded-l-md p-2 focus:outline-none focus:ring focus:ring-blue-500">
+          <button type="submit" name="action" value="update" class="bg-blue-600 text-white ml-4 mr-4 rounded px-4 hover:bg-blue-700">Update</button>
+          <button type="submit" name="action" value="delete" class="bg-red-800 text-white rounded px-4 hover:bg-red-900">Delete</button>
+        </div>
+    </form>
+  {{ end }}
+    <form action="/paper" method="POST">
+      <div class="max-w-md mx-auto mt-4">
+        <div class="flex">
+          <input type="text" id="name" name="name" placeholder="name" class="flex-grow border border-gray-300 rounded-l-md p-2 focus:outline-none focus:ring focus:ring-blue-500">
+          <input type="text" id="brand" name="brand" placeholder="brand" class="flex-grow border border-gray-300 rounded-l-md p-2 focus:outline-none focus:ring focus:ring-blue-500">
+          <input type="text" id="size" name="size" placeholder="size" class="flex-grow border border-gray-300 rounded-l-md p-2 focus:outline-none focus:ring focus:ring-blue-500">
+          <input type="number" step="0.01" min="0.00" id="price" name="price" placeholder="price per sheet" class="flex-grow border border-gray-300 rounded-l-md p-2 focus:outline-none focus:ring focus:ring-blue-500">
+            <button type="submit" class="bg-green-600 text-white ml-4 mr-4 rounded px-4 hover:bg-green-700">Add</button>
+        </div>
+    </div>
+    </form>
+  </div>
+{{ template "footer.html" . }}