select papertype on print

paper weight is missing

controllers/configController.go

@@ -0,0 +1,318 @@
+package controllers
+
+import (
+	"fmt"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+
+	"git.dynamicdiscord.de/kalipso/zineshop/models"
+	//"git.dynamicdiscord.de/kalipso/zineshop/services"
+	"git.dynamicdiscord.de/kalipso/zineshop/repositories"
+)
+
+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)
+	TagHandler(*gin.Context)
+	AddTagHandler(*gin.Context)
+}
+
+type configController struct{}
+
+func NewConfigController() ConfigController {
+	return &configController{}
+}
+
+func (rc *configController) AddConfigHandler(c *gin.Context) {
+	key := c.PostForm("key")
+	value := c.PostForm("value")
+
+	if key == "" || value == "" {
+		err := "Key or Value empty during config creation"
+		fmt.Println(err)
+		c.HTML(http.StatusBadRequest, "configview.html", gin.H{"error": err})
+		return
+	}
+
+	config := models.Config{
+		Key:   key,
+		Value: value,
+	}
+
+	_, err := repositories.ConfigOptions.Create(config)
+	if err != nil {
+		data := CreateSessionData(c, gin.H{
+			"error":   err,
+			"success": "",
+		})
+
+		c.HTML(http.StatusOK, "configview.html", data)
+		return
+	}
+
+	rc.ConfigView(c)
+}
+
+func (rc *configController) ConfigView(c *gin.Context) {
+	configOptions, err := repositories.ConfigOptions.GetAll()
+
+	if err != nil {
+		c.HTML(http.StatusBadRequest, "configview.html", gin.H{"data": gin.H{"error": err}})
+	}
+
+	data := CreateSessionData(c, gin.H{
+		"configOptions": configOptions,
+	})
+
+	if err != nil {
+		c.HTML(http.StatusBadRequest, "configview.html", data)
+	}
+
+	c.HTML(http.StatusOK, "configview.html", data)
+}
+
+func (rc *configController) ConfigHandler(ctx *gin.Context) {
+	key := ctx.PostForm("key")
+	value := ctx.PostForm("value")
+	action := ctx.PostForm("action")
+
+	config, err := repositories.ConfigOptions.GetById(ctx.Param("id"))
+
+	if err != nil {
+		fmt.Println(err)
+		ctx.HTML(http.StatusBadRequest, "configview.html", gin.H{"error": err})
+		return
+	}
+
+	if action == "update" {
+		config.Key = key
+		config.Value = value
+		config, err = repositories.ConfigOptions.Update(config)
+
+		if err != nil {
+			fmt.Println(err)
+			ctx.HTML(http.StatusBadRequest, "configview.html", gin.H{"error": err})
+			return
+		}
+	}
+
+	if action == "delete" {
+		repositories.ConfigOptions.DeleteById(ctx.Param("id"))
+	}
+
+	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.Weight = newPaper.Weight
+		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")
+	action := ctx.PostForm("action")
+
+	tag, err := repositories.Tags.GetById(ctx.Param("id"))
+
+	if err != nil {
+		fmt.Println(err)
+		ctx.HTML(http.StatusBadRequest, "tagview.html", gin.H{"error": err})
+		return
+	}
+
+	if action == "update" {
+		tag.Name = name
+		tag.Color = color
+		tag, err = repositories.Tags.Update(tag)
+
+		if err != nil {
+			fmt.Println(err)
+			ctx.HTML(http.StatusBadRequest, "tagview.html", gin.H{"error": err})
+			return
+		}
+	}
+
+	if action == "delete" {
+		repositories.Tags.DeleteById(ctx.Param("id"))
+	}
+
+	rc.TagView(ctx)
+}
+
+func (rc *configController) AddTagHandler(c *gin.Context) {
+	tag, err := models.NewTag(c)
+
+	if err != nil {
+		fmt.Println(err)
+		c.HTML(http.StatusBadRequest, "tagview.html", gin.H{"error": err})
+		return
+	}
+
+	_, err = repositories.Tags.Create(tag)
+	if err != nil {
+		data := CreateSessionData(c, gin.H{
+			"error":   err,
+			"success": "",
+		})
+
+		c.HTML(http.StatusOK, "tagview.html", data)
+		return
+	}
+
+	rc.TagView(c)
+}
+
+func (rc *configController) TagView(c *gin.Context) {
+	tags, err := repositories.Tags.GetAll()
+
+	if err != nil {
+		c.HTML(http.StatusBadRequest, "tagview.html", gin.H{"data": gin.H{"error": err}})
+	}
+
+	data := CreateSessionData(c, gin.H{
+		"tags": tags,
+	})
+
+	if err != nil {
+		c.HTML(http.StatusBadRequest, "tagview.html", data)
+	}
+
+	c.HTML(http.StatusOK, "tagview.html", data)
+}
+
+func (rc *configController) CreateTag(c *gin.Context) {
+	tag, err := models.NewTagByJson(c)
+
+	if err != nil {
+		ReplyError(c, err)
+	}
+
+	_, err = repositories.Tags.Create(tag)
+	if err != nil {
+		ReplyError(c, fmt.Errorf("tag creation failed: %s", err))
+		return
+	}
+
+	//userID := user.(models.User).ID
+	//rc.DB.Model(&models.shopItem{}).Where("id = ?"), room.ID).Association("Admins").Append(&models.User{ID: userID})
+
+	//if result.Error != nil {
+	//	ReplyError(c, fmt.Errorf("shopItem creation failed: %s", result.Error))
+	//	return
+	//}
+
+	ReplyOK(c, fmt.Sprintf("tag '%s' was created", tag.Name))
+
+}
+
+func (rc *configController) GetAllTags(c *gin.Context) {
+	tags, err := repositories.Tags.GetAll()
+
+	if err != nil {
+		ReplyError(c, fmt.Errorf("Could not query Tags"))
+		return
+	}
+
+	c.JSON(http.StatusOK, tags)
+}

controllers/printController.go

@@ -2,11 +2,13 @@ package controllers
 
 import (
 	"fmt"
+	"math"
 	"net/http"
 	"strconv"
 
 	"git.dynamicdiscord.de/kalipso/zineshop/models"
 	"git.dynamicdiscord.de/kalipso/zineshop/repositories"
+	"git.dynamicdiscord.de/kalipso/zineshop/utils"
 	"github.com/gin-gonic/gin"
 )
 
@@ -63,7 +65,14 @@ func (rc *printController) PrintCartView(c *gin.Context) {
 		return
 	}
 
+	paper, err := repositories.Papers.GetAll()
+	if err != nil {
+		c.HTML(http.StatusBadRequest, "error.html", gin.H{"data": gin.H{"error": err}})
+		return
+	}
+
 	data := CreateSessionData(c, gin.H{
+		"paper":     paper,
 		"cartItems": cartItems,
 	})
 
@@ -78,9 +87,16 @@ func (rc *printController) PrintOrderView(c *gin.Context) {
 		return
 	}
 
+	paper, err := repositories.Papers.GetAll()
+	if err != nil {
+		c.HTML(http.StatusBadRequest, "error.html", gin.H{"data": gin.H{"error": err}})
+		return
+	}
+
 	cartItems := order.CartItems
 
 	data := CreateSessionData(c, gin.H{
+		"paper":     paper,
 		"cartItems": cartItems,
 	})
 
@@ -90,6 +106,7 @@ func (rc *printController) PrintOrderView(c *gin.Context) {
 func (rc *printController) PrintHandler(c *gin.Context) {
 	variantIds := c.PostFormArray("variant-id[]")
 	variantAmounts := c.PostFormArray("variant-amount[]")
+	variantPapertypes := c.PostFormArray("variant-papertype[]")
 	variantCoverPages := c.PostFormArray("variant-coverpage[]")
 
 	if len(variantIds) != len(variantAmounts) || len(variantIds) != len(variantCoverPages) {
@@ -113,9 +130,53 @@ func (rc *printController) PrintHandler(c *gin.Context) {
 			return
 		}
 
-		coverPage := false
+		paperType, err := repositories.Papers.GetById(fmt.Sprintf("%v", variantPapertypes[idx]))
-		if variantCoverPages[idx] == "1" {
+		if err != nil {
-			coverPage = true
+			c.HTML(http.StatusBadRequest, "error.html", gin.H{"data": gin.H{"error": err}})
+			return
+		}
+
+		var coverPage models.Paper
+		doPrintCoverpage := false
+		if variantCoverPages[idx] != "0" {
+			coverPage, err = repositories.Papers.GetById(fmt.Sprintf("%v", variantCoverPages[idx]))
+			if err != nil {
+				c.HTML(http.StatusBadRequest, "error.html", gin.H{"data": gin.H{"error": err}})
+				return
+			}
+
+			doPrintCoverpage = true
+		}
+
+		calculatePrintCosts := func(shopItem models.ShopItem, paperType models.Paper, coverPagePaperType models.Paper, colored bool, amount int) (float64, error) {
+			pageCount := utils.CountPagesAtPath(shopItem.Pdf)
+			printMode := models.GetPrintMode(shopItem.PrintMode)
+
+			//Get actual pagecount depending on printmode
+			actualPageCount := pageCount
+
+			if printMode == models.CreateBooklet {
+				dividedCount := float64(pageCount) / 4.0
+				actualPageCount = int(math.Ceil(dividedCount))
+			}
+
+			if printMode == models.LongEdge || printMode == models.ShortEdge {
+				dividedCount := float64(pageCount) / 2.0
+				actualPageCount = int(math.Ceil(dividedCount))
+			}
+
+			PPC := 0.002604
+			partCost := 0.0067
+			if colored {
+				partCost = 0.0478
+			}
+			printingCosts := float64(actualPageCount) * paperType.Price
+			printingCosts += float64(actualPageCount/2) * PPC
+			printingCosts += partCost * float64(actualPageCount)
+
+			fmt.Printf("Printing Costs per Zine: %v\n", printingCosts)
+			fmt.Printf("Printing Costs Total: %v\n", printingCosts*float64(amount))
+			return printingCosts, nil
 		}
 
 		variantAmount, err := strconv.Atoi(variantAmounts[idx])
@@ -124,7 +185,12 @@ func (rc *printController) PrintHandler(c *gin.Context) {
 			return
 		}
 
-		printJob, err := models.NewPrintJob(shopItem, variant, coverPage, uint(variantAmount))
+		fmt.Println("Printing Costs:")
+
+		colored := variant.Name == "Colored"
+		calculatePrintCosts(shopItem, paperType, coverPage, colored, int(variantAmount))
+
+		printJob, err := models.NewPrintJob(shopItem, variant, doPrintCoverpage, uint(variantAmount))
 
 		if err != nil {
 			c.HTML(http.StatusBadRequest, "error.html", gin.H{"data": gin.H{"error": err}})

controllers/shopItemController.go

@@ -29,15 +29,10 @@ type ShopItemController interface {
 	AddItemHandler(*gin.Context)
 	AddItemsView(*gin.Context)
 	AddItemsHandler(*gin.Context)
-	CreateTag(*gin.Context)
-	GetAllTags(*gin.Context)
 	EditItemView(*gin.Context)
 	EditItemHandler(*gin.Context)
 	DeleteItemView(*gin.Context)
 	DeleteItemHandler(*gin.Context)
-	TagView(*gin.Context)
-	TagHandler(*gin.Context)
-	AddTagHandler(*gin.Context)
 }
 
 type shopItemController struct{}
@@ -621,115 +616,6 @@ func (rc *shopItemController) DeleteItemHandler(c *gin.Context) {
 	c.HTML(http.StatusOK, "index.html", data)
 }
 
-func (rc *shopItemController) TagHandler(ctx *gin.Context) {
-	name := ctx.PostForm("name")
-	color := ctx.PostForm("color")
-	action := ctx.PostForm("action")
-
-	tag, err := repositories.Tags.GetById(ctx.Param("id"))
-
-	if err != nil {
-		fmt.Println(err)
-		ctx.HTML(http.StatusBadRequest, "tagview.html", gin.H{"error": err})
-		return
-	}
-
-	if action == "update" {
-		tag.Name = name
-		tag.Color = color
-		tag, err = repositories.Tags.Update(tag)
-
-		if err != nil {
-			fmt.Println(err)
-			ctx.HTML(http.StatusBadRequest, "tagview.html", gin.H{"error": err})
-			return
-		}
-	}
-
-	if action == "delete" {
-		repositories.Tags.DeleteById(ctx.Param("id"))
-	}
-
-	rc.TagView(ctx)
-}
-
-func (rc *shopItemController) AddTagHandler(c *gin.Context) {
-	tag, err := models.NewTag(c)
-
-	if err != nil {
-		fmt.Println(err)
-		c.HTML(http.StatusBadRequest, "tagview.html", gin.H{"error": err})
-		return
-	}
-
-	_, err = repositories.Tags.Create(tag)
-	if err != nil {
-		data := CreateSessionData(c, gin.H{
-			"error":   err,
-			"success": "",
-		})
-
-		c.HTML(http.StatusOK, "tagview.html", data)
-		return
-	}
-
-	rc.TagView(c)
-}
-
-func (rc *shopItemController) TagView(c *gin.Context) {
-	tags, err := repositories.Tags.GetAll()
-
-	if err != nil {
-		c.HTML(http.StatusBadRequest, "tagview.html", gin.H{"data": gin.H{"error": err}})
-	}
-
-	data := CreateSessionData(c, gin.H{
-		"tags": tags,
-	})
-
-	if err != nil {
-		c.HTML(http.StatusBadRequest, "tagview.html", data)
-	}
-
-	c.HTML(http.StatusOK, "tagview.html", data)
-}
-
-func (rc *shopItemController) CreateTag(c *gin.Context) {
-	tag, err := models.NewTagByJson(c)
-
-	if err != nil {
-		ReplyError(c, err)
-	}
-
-	_, err = repositories.Tags.Create(tag)
-	if err != nil {
-		ReplyError(c, fmt.Errorf("shopItem creation failed: %s", err))
-		return
-	}
-
-	//userID := user.(models.User).ID
-	//rc.DB.Model(&models.shopItem{}).Where("id = ?"), room.ID).Association("Admins").Append(&models.User{ID: userID})
-
-	//if result.Error != nil {
-	//	ReplyError(c, fmt.Errorf("shopItem creation failed: %s", result.Error))
-	//	return
-	//}
-
-	ReplyOK(c, fmt.Sprintf("tag '%s' was created", tag.Name))
-
-}
-
-func (rc *shopItemController) GetAllTags(c *gin.Context) {
-	tags, err := repositories.Tags.GetAll()
-
-	if err != nil {
-		ReplyError(c, fmt.Errorf("Could not query Tags"))
-		return
-	}
-
-	c.JSON(http.StatusOK, tags)
-}
-
 func ReplyError(ctx *gin.Context, err error) {
 	ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 }

main.go

@@ -19,6 +19,7 @@ var (
 	userController     controllers.UserController     = controllers.UserController{}
 	cartItemController controllers.CartItemController = controllers.NewCartItemController()
 	printController    controllers.PrintController    = controllers.NewPrintController()
+	configController   controllers.ConfigController   = controllers.NewConfigController()
 	authValidator      middlewares.AuthValidator      = middlewares.AuthValidator{}
 )
 
@@ -67,10 +68,20 @@ func main() {
 		viewRoutes.GET("/cart/print", authValidator.RequireAdmin, printController.PrintCartView)
 		viewRoutes.POST("/print", authValidator.RequireAdmin, printController.PrintHandler)
 
-		viewRoutes.GET("/tags", authValidator.RequireAdmin, shopItemController.TagView)
+		viewRoutes.GET("/config", authValidator.RequireAdmin, configController.ConfigView)
-		viewRoutes.POST("/tags/:id", authValidator.RequireAdmin, shopItemController.TagHandler)
+		viewRoutes.POST("/config/:id", authValidator.RequireAdmin, configController.ConfigHandler)
+		viewRoutes.POST("/config", authValidator.RequireAdmin, configController.AddConfigHandler)
+
+		viewRoutes.GET("/tags", authValidator.RequireAdmin, configController.TagView)
+		viewRoutes.POST("/tags/:id", authValidator.RequireAdmin, configController.TagHandler)
 		viewRoutes.GET("/tags/:id", userController.TagView)
-		viewRoutes.POST("/tags", authValidator.RequireAdmin, shopItemController.AddTagHandler)
+		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/config.go

@@ -0,0 +1,11 @@
+package models
+
+import (
+	"gorm.io/gorm"
+)
+
+type Config struct {
+	gorm.Model
+	Key   string `json:"key" binding:"required" gorm:"unique;not null"`
+	Value string `json:"value" binding:"required"`
+}

models/paper.go

@@ -0,0 +1,83 @@
+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
+}

models/printer.go

@@ -15,7 +15,7 @@ const (
 	LongEdge      PrintOption = ""
 	ShortEdge     PrintOption = "-o Binding=TopBinding"
 	CreateBooklet PrintOption = "-o Combination=Booklet -o PageSize=A5"
-	TriFold       PrintOption = "-o Fold=TriFold"
+	TriFold       PrintOption = "-o Fold=TriFold -o Binding=TopBinding"
 )
 
 type PrintJob struct {

repositories/configRepository.go

@@ -0,0 +1,81 @@
+package repositories
+
+import (
+	"strconv"
+
+	"gorm.io/gorm"
+
+	"git.dynamicdiscord.de/kalipso/zineshop/models"
+)
+
+type ConfigRepository interface {
+	Create(models.Config) (models.Config, error)
+	GetAll() ([]models.Config, error)
+	GetById(string) (models.Config, error)
+	Update(models.Config) (models.Config, error)
+	DeleteById(string) error
+}
+
+type GORMConfigRepository struct {
+	DB *gorm.DB
+}
+
+func NewGORMConfigRepository(db *gorm.DB) ConfigRepository {
+	return &GORMConfigRepository{
+		DB: db,
+	}
+}
+
+func (t *GORMConfigRepository) Create(config models.Config) (models.Config, error) {
+	result := t.DB.Create(&config)
+
+	if result.Error != nil {
+		return models.Config{}, result.Error
+	}
+
+	return config, nil
+}
+
+func (t *GORMConfigRepository) GetAll() ([]models.Config, error) {
+	var configs []models.Config
+	result := t.DB.Find(&configs)
+
+	return configs, result.Error
+}
+
+func (t *GORMConfigRepository) GetById(id string) (models.Config, error) {
+	configId, err := strconv.Atoi(id)
+
+	if err != nil {
+		return models.Config{}, err
+	}
+
+	var config models.Config
+	result := t.DB.First(&config, uint(configId))
+
+	if result.Error != nil {
+		return models.Config{}, result.Error
+	}
+
+	return config, nil
+}
+
+func (t *GORMConfigRepository) Update(config models.Config) (models.Config, error) {
+	result := t.DB.Save(&config)
+	if result.Error != nil {
+		return models.Config{}, result.Error
+	}
+
+	return config, nil
+}
+
+func (t *GORMConfigRepository) DeleteById(id string) error {
+	configId, err := strconv.Atoi(id)
+
+	if err != nil {
+		return err
+	}
+
+	result := t.DB.Delete(&models.Config{}, configId)
+	return result.Error
+}

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

@@ -9,12 +9,14 @@ import (
 )
 
 var (
-	ShopItems ShopItemRepository
+	ShopItems     ShopItemRepository
-	Users     UserRepository
+	Users         UserRepository
-	Tags      TagRepository
+	Tags          TagRepository
-	CartItems CartItemRepository
+	CartItems     CartItemRepository
-	Orders    OrderRepository
+	Orders        OrderRepository
-	Tokens    RegisterTokenRepository
+	Tokens        RegisterTokenRepository
+	ConfigOptions ConfigRepository
+	Papers        PaperRepository
 )
 
 func InitRepositories() {
@@ -29,6 +31,8 @@ func InitRepositories() {
 		&models.Tag{},
 		&models.CartItem{},
 		&models.Order{},
+		&models.Config{},
+		&models.Paper{},
 		&models.RegisterToken{})
 
 	if err != nil {
@@ -41,4 +45,6 @@ func InitRepositories() {
 	CartItems = NewGORMCartItemRepository(db)
 	Orders = NewGORMOrderRepository(db)
 	Tokens = NewGORMRegisterTokenRepository(db)
+	ConfigOptions = NewGORMConfigRepository(db)
+	Papers = NewGORMPaperRepository(db)
 }

static/output.css

@@ -674,6 +674,10 @@ video {
   margin-top: 1.5rem;
 }
 
+.mb-3 {
+  margin-bottom: 0.75rem;
+}
+
 .block {
   display: block;
 }
@@ -810,14 +814,34 @@ video {
   grid-template-columns: repeat(12, minmax(0, 1fr));
 }
 
+.grid-cols-2 {
+  grid-template-columns: repeat(2, minmax(0, 1fr));
+}
+
+.grid-cols-4 {
+  grid-template-columns: repeat(4, minmax(0, 1fr));
+}
+
 .grid-cols-6 {
   grid-template-columns: repeat(6, minmax(0, 1fr));
 }
 
+.grid-cols-3 {
+  grid-template-columns: repeat(3, minmax(0, 1fr));
+}
+
 .flex-col {
   flex-direction: column;
 }
 
+.flex-wrap {
+  flex-wrap: wrap;
+}
+
+.content-stretch {
+  align-content: stretch;
+}
+
 .items-center {
   align-items: center;
 }
@@ -830,6 +854,10 @@ video {
   justify-content: space-between;
 }
 
+.gap-2 {
+  gap: 0.5rem;
+}
+
 .gap-4 {
   gap: 1rem;
 }
@@ -974,6 +1002,11 @@ video {
   background-color: rgb(219 234 254 / var(--tw-bg-opacity, 1));
 }
 
+.bg-blue-500 {
+  --tw-bg-opacity: 1;
+  background-color: rgb(59 130 246 / var(--tw-bg-opacity, 1));
+}
+
 .bg-blue-600 {
   --tw-bg-opacity: 1;
   background-color: rgb(37 99 235 / var(--tw-bg-opacity, 1));
@@ -1049,6 +1082,11 @@ video {
   background-color: rgb(220 252 231 / var(--tw-bg-opacity, 1));
 }
 
+.bg-green-500 {
+  --tw-bg-opacity: 1;
+  background-color: rgb(34 197 94 / var(--tw-bg-opacity, 1));
+}
+
 .bg-green-600 {
   --tw-bg-opacity: 1;
   background-color: rgb(22 163 74 / var(--tw-bg-opacity, 1));
@@ -1134,6 +1172,11 @@ video {
   background-color: rgb(254 226 226 / var(--tw-bg-opacity, 1));
 }
 
+.bg-red-500 {
+  --tw-bg-opacity: 1;
+  background-color: rgb(239 68 68 / var(--tw-bg-opacity, 1));
+}
+
 .bg-red-800 {
   --tw-bg-opacity: 1;
   background-color: rgb(153 27 27 / var(--tw-bg-opacity, 1));
@@ -1229,6 +1272,16 @@ video {
   background-color: rgb(24 24 27 / var(--tw-bg-opacity, 1));
 }
 
+.bg-gray-700 {
+  --tw-bg-opacity: 1;
+  background-color: rgb(55 65 81 / var(--tw-bg-opacity, 1));
+}
+
+.bg-gray-500 {
+  --tw-bg-opacity: 1;
+  background-color: rgb(107 114 128 / var(--tw-bg-opacity, 1));
+}
+
 .fill-red-50 {
   fill: #fef2f2;
 }
@@ -1329,6 +1382,16 @@ video {
   padding-bottom: 2rem;
 }
 
+.py-20 {
+  padding-top: 5rem;
+  padding-bottom: 5rem;
+}
+
+.px-8 {
+  padding-left: 2rem;
+  padding-right: 2rem;
+}
+
 .pb-3 {
   padding-bottom: 0.75rem;
 }
@@ -1353,6 +1416,10 @@ video {
   padding-top: 1.25rem;
 }
 
+.pb-4 {
+  padding-bottom: 1rem;
+}
+
 .text-left {
   text-align: left;
 }
@@ -1717,17 +1784,39 @@ video {
   color: rgb(39 39 42 / var(--tw-text-opacity, 1));
 }
 
+.underline {
+  text-decoration-line: underline;
+}
+
 .antialiased {
   -webkit-font-smoothing: antialiased;
   -moz-osx-font-smoothing: grayscale;
 }
 
+.shadow-2xl {
+  --tw-shadow: 0 25px 50px -12px rgb(0 0 0 / 0.25);
+  --tw-shadow-colored: 0 25px 50px -12px var(--tw-shadow-color);
+  box-shadow: var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000), var(--tw-shadow);
+}
+
 .shadow-sm {
   --tw-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
   --tw-shadow-colored: 0 1px 2px 0 var(--tw-shadow-color);
   box-shadow: var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000), var(--tw-shadow);
 }
 
+.shadow-xl {
+  --tw-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
+  --tw-shadow-colored: 0 20px 25px -5px var(--tw-shadow-color), 0 8px 10px -6px var(--tw-shadow-color);
+  box-shadow: var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000), var(--tw-shadow);
+}
+
+.shadow-md {
+  --tw-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
+  --tw-shadow-colored: 0 4px 6px -1px var(--tw-shadow-color), 0 2px 4px -2px var(--tw-shadow-color);
+  box-shadow: var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000), var(--tw-shadow);
+}
+
 .outline {
   outline-style: solid;
 }
@@ -1832,6 +1921,11 @@ video {
   background-color: rgb(67 56 202 / var(--tw-bg-opacity, 1));
 }
 
+.hover\:bg-red-700:hover {
+  --tw-bg-opacity: 1;
+  background-color: rgb(185 28 28 / var(--tw-bg-opacity, 1));
+}
+
 .hover\:bg-red-900:hover {
   --tw-bg-opacity: 1;
   background-color: rgb(127 29 29 / var(--tw-bg-opacity, 1));
@@ -1998,6 +2092,10 @@ video {
     max-width: 24rem;
   }
 
+  .sm\:grid-cols-2 {
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+  }
+
   .sm\:items-center {
     align-items: center;
   }
@@ -2041,6 +2139,10 @@ video {
     grid-template-columns: repeat(2, minmax(0, 1fr));
   }
 
+  .md\:grid-cols-3 {
+    grid-template-columns: repeat(3, minmax(0, 1fr));
+  }
+
   .md\:flex-row {
     flex-direction: row;
   }
@@ -2089,6 +2191,14 @@ video {
     grid-template-columns: repeat(3, minmax(0, 1fr));
   }
 
+  .lg\:grid-cols-4 {
+    grid-template-columns: repeat(4, minmax(0, 1fr));
+  }
+
+  .lg\:grid-cols-2 {
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+  }
+
   .lg\:p-8 {
     padding: 2rem;
   }
@@ -2112,9 +2222,17 @@ video {
   .xl\:grid-cols-4 {
     grid-template-columns: repeat(4, minmax(0, 1fr));
   }
+
+  .xl\:grid-cols-3 {
+    grid-template-columns: repeat(3, minmax(0, 1fr));
+  }
 }
 
 @media (min-width: 1536px) {
+  .\32xl\:grid-cols-4 {
+    grid-template-columns: repeat(4, minmax(0, 1fr));
+  }
+
   .\32xl\:px-0 {
     padding-left: 0px;
     padding-right: 0px;

utils/utils.go

@@ -1,8 +1,11 @@
 package utils
 
 import (
+	"bufio"
 	"crypto/rand"
 	"encoding/hex"
+	"io"
+	"os"
 )
 
 func GenerateSessionId(length int) string {
@@ -17,3 +20,41 @@ func GenerateSessionId(length int) string {
 func GenerateToken() string {
 	return GenerateSessionId(16)
 }
+
+const match = "/Page\x00"
+
+// Pages reads the given io.ByteReader until EOF is reached, returning the
+// number of pages encountered.
+func Pages(reader io.ByteReader) (pages int) {
+	i := 0
+	for {
+		b, err := reader.ReadByte()
+		if err != nil {
+			return
+		}
+	check:
+		switch match[i] {
+		case 0:
+			if !(b >= 'A' && b <= 'Z' || b >= 'a' && b <= 'z') {
+				pages++
+			}
+			i = 0
+			goto check
+		case b:
+			i++
+		default:
+			i = 0
+		}
+	}
+}
+
+// PagesAtPath opens a PDF file at the given file path, returning the number
+// of pages found.
+func CountPagesAtPath(path string) (pages int) {
+	if reader, err := os.Open(path); err == nil {
+		reader.Chdir()
+		pages = Pages(bufio.NewReader(reader))
+		reader.Close()
+	}
+	return
+}

views/configview.html

@@ -0,0 +1,33 @@
+{{ 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 config options</h2>
+  </div>
+
+  <div class="mt-10 sm:mx-auto sm:w-full sm:max-w-sm">
+  {{ range .data.configOptions }}
+    <form action="/config/{{ .ID }}" method="POST">
+      <div class="max-w-md mx-auto mt-4">
+        <div class="flex">
+
+          <input type="text" id="key" name="key" value="{{ .Key }}" 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="value" name="value" value="{{ .Value }}" 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="/config" method="POST">
+      <div class="max-w-md mx-auto mt-4">
+        <div class="flex">
+          <input type="text" id="key" name="key" placeholder="" 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="value" name="value" placeholder="" 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" . }}

views/header.html

@@ -38,6 +38,10 @@
           hover:text-white">Print</a>
         <a href="/cart" class="rounded-md bg-gray-900 m-2 px-3 py-2 text-sm font-medium text-gray-300 hover:bg-gray-700
           hover:text-white">Cart</a>
+        <a href="/config" class="rounded-md bg-gray-900 m-2 px-3 py-2 text-sm font-medium text-gray-300 hover:bg-gray-700
+          hover:text-white">Config</a>
+        <a href="/paper" class="rounded-md bg-gray-900 m-2 px-3 py-2 text-sm font-medium text-gray-300 hover:bg-gray-700
+          hover:text-white">Paper</a>
         <a href="/logout" class="rounded-md  bg-gray-900 m-2 px-3 py-2 text-sm font-medium text-red-300 hover:bg-gray-700 hover:text-white">Logout</a>
       </div>
       {{ end }}

views/paperview.html

@@ -0,0 +1,82 @@
+{{ 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 ">
+  <div class="w-full grid grid-cols-1 lg:grid-cols-2 xl:grid-cols-3 2xl:grid-cols-4 gap-4">
+  {{ range .data.paper }}
+    <form action="/paper/{{ .ID }}" method="POST">
+      <div class="max-w-md mx-auto p-4 m-4 bg-gray-100 flex flex-wrap border rounded shadow-md">
+        <div class="font-bold text-center mb-4">
+          {{ .Brand }} - {{ .Name }}: {{ .Size }} {{ .Weight }}g/m2
+        </div>
+        <div class="grid grid-cols-2 gap-4">
+        <div>
+          <label for="variant-value1" class="block text-sm/6 font-medium text-gray-900">Name</label>
+          <input type="text" id="name" name="name" value="{{ .Name }}" class="w-full border border-gray-300 rounded-md p-2 focus:outline-none focus:ring focus:ring-blue-500">
+        </div>
+        <div>
+          <label for="variant-value1" class="block text-sm/6 font-medium text-gray-900">Brand</label>
+          <input type="text" id="brand" name="brand" value="{{ .Brand }}" class="w-full border border-gray-300 rounded-md p-2 focus:outline-none focus:ring focus:ring-blue-500">
+        </div>
+        <div>
+          <label for="variant-value1" class="block text-sm/6 font-medium text-gray-900">DIN Size</label>
+          <input type="text" id="size" name="size" value="{{ .Size }}" class="w-full border border-gray-300 rounded-md p-2 focus:outline-none focus:ring focus:ring-blue-500">
+        </div>
+        <div>
+          <label for="variant-value1" class="block text-sm/6 font-medium text-gray-900">Weight</label>
+          <input type="text" id="weight" name="weight" value="{{ .Weight }}" class="w-full border border-gray-300 rounded-md p-2 focus:outline-none focus:ring focus:ring-blue-500">
+        </div>
+        <div>
+          <label for="variant-value1" class="block text-sm/6 font-medium text-gray-900">Price per Sheet</label>
+          <input type="number" step="0.0001" min="0.0000" id="price" name="price" value="{{ .Price }}" class="w-full flex-grow border border-gray-300 rounded-md p-2 focus:outline-none focus:ring focus:ring-blue-500">
+        </div>
+      </div>
+        <div class="grid grid-cols-2 mt-4 flex flex-wrap gap-2 w-full">
+          <button type="submit" name="action" value="update" class="bg-blue-500 hover:bg-blue-700 text-white text-sm/6 font-bold py-2 px-4 rounded">Update</button>
+          <button type="submit" name="action" value="delete" class="bg-red-500 hover:bg-red-700 text-white text-sm/6 font-bold py-2 px-4 rounded">Delete</button>
+      </div>
+      </div>
+    </form>
+  {{ end }}
+  </div>
+    <form action="/paper" method="POST">
+      <div class="max-w-md mx-auto p-4 flex flex-wrap border rounded shadow-md">
+        <div class="font-bold text-center mb-4">
+          Add new Paper
+        </div>
+        <div class="grid grid-cols-2 gap-4">
+        <div>
+          <label for="variant-value1" class="block text-sm/6 font-medium text-gray-900">Name</label>
+          <input type="text" id="name" name="name" placeholder="name" class="w-full border border-gray-300 rounded-md p-2 focus:outline-none focus:ring focus:ring-blue-500">
+        </div>
+        <div>
+          <label for="variant-value1" class="block text-sm/6 font-medium text-gray-900">Brand</label>
+          <input type="text" id="brand" name="brand" placeholder="brand" class="w-full border border-gray-300 rounded-md p-2 focus:outline-none focus:ring focus:ring-blue-500">
+        </div>
+        <div>
+          <label for="variant-value1" class="block text-sm/6 font-medium text-gray-900">DIN Size</label>
+          <input type="text" id="size" name="size" placeholder="size" class="w-full border border-gray-300 rounded-md p-2 focus:outline-none focus:ring focus:ring-blue-500">
+        </div>
+        <div>
+          <label for="variant-value1" class="block text-sm/6 font-medium text-gray-900">Weight</label>
+          <input type="text" id="weight" name="weight" placeholder="Weight" class="w-full border border-gray-300 rounded-md p-2 focus:outline-none focus:ring focus:ring-blue-500">
+        </div>
+        <div>
+          <label for="variant-value1" class="block text-sm/6 font-medium text-gray-900">Price per Sheet</label>
+          <input type="number" step="0.0001" min="0.0000" id="price" name="price" placeholder="price per sheet"
+          class="w-full flex-grow border border-gray-300 rounded-md p-2 focus:outline-none focus:ring focus:ring-blue-500">
+        </div>
+      </div>
+        <div class="grid grid-cols-4 mt-4 flex flex-wrap gap-2 w-full">
+            <button type="submit" class="bg-green-500 hover:bg-green-700 text-white text-sm/6 font-bold py-2 px-4 rounded">Add</button>
+        </div>
+      </div>
+    </form>
+  </div>
+{{ template "footer.html" . }}

views/printvariant.html

@@ -37,10 +37,20 @@
                     </div>
                 </td>
 
+                <td class="whitespace-nowrap py-4">
+                      <select name="variant-papertype[]" required class="bg-gray-50 border border-gray-300 text-gray-900 text-sm rounded-lg focus:ring-blue-500 focus:border-blue-500 block w-full p-2.5 dark:bg-gray-700 dark:border-gray-600 dark:placeholder-gray-400 dark:text-white dark:focus:ring-blue-500 dark:focus:border-blue-500">
+                        {{ range $.data.paper }}
+                        <option value="{{ .ID }}">{{ .Brand }} - {{ .Name }}: {{ .Size }} {{ .Weight }}g/m2</option>
+                        {{ end}}
+                      </select>
+                </td>
+
                 <td class="whitespace-nowrap py-4">
                       <select name="variant-coverpage[]" required class="bg-gray-50 border border-gray-300 text-gray-900 text-sm rounded-lg focus:ring-blue-500 focus:border-blue-500 block w-full p-2.5 dark:bg-gray-700 dark:border-gray-600 dark:placeholder-gray-400 dark:text-white dark:focus:ring-blue-500 dark:focus:border-blue-500">
-                        <option selected value="0">Normal</option>
+                        <option selected value="0">None</option>
-                          <option value="1">CoverPage</option>
+                        {{ range $.data.paper }}
+                        <option value="{{ .ID }}">{{ .Brand }} - {{ .Name }}: {{ .Size }} {{ .Weight }}g/m2</option>
+                        {{ end}}
                       </select>
                 </td>
                 <td class="whitespace-nowrap py-4">

views/shopitems.html

@@ -8,7 +8,7 @@
 
     <div class="myClass group relative">
             <a href="/shopitems/{{ .ID }}">
-      <img loading="lazy" src="/{{ .Image }}" alt="Product Image" class="aspect-4/5 mx-auto rounded bg-gray-200 object-cover group-hover:opacity-75 lg:aspect-auto lg:h-80">
+      <img loading="lazy" src="/{{ .Image }}" alt="Product Image" class="shadow-2xl aspect-4/5 mx-auto rounded bg-gray-200 object-cover group-hover:opacity-75 lg:aspect-auto lg:h-80">
             </a>
       <div class="mt-4 flex justify-between">
         <div>