set WasPrinted after printjob execution

controllers/printController.go

@@ -180,6 +180,12 @@ func (rc *printController) PrintHandler(c *gin.Context) {
 
 	executeJobs := func() {
 		for _, printJob := range printJobs {
+			err := printJob.Execute()
+
+			if err == nil {
+				return
+			}
+
 			printJob.ShopItem.WasPrinted = true
 			_, err = repositories.ShopItems.Update(printJob.ShopItem)
 
@@ -187,12 +193,6 @@ func (rc *printController) PrintHandler(c *gin.Context) {
 				fmt.Printf("Error: %s\n", err)
 			}
 
-			err := printJob.Execute()
-
-			if err == nil {
-				return
-			}
-
 		}
 	}
 

models/printer.go

@@ -133,6 +133,11 @@ func (p *PrintJob) Execute() error {
 
 func (p *PrintJob) CalculatePrintCosts() (float64, error) {
 	pageCount := utils.CountPagesAtPath(p.ShopItem.Pdf)
+
+	if pageCount == 0 {
+		return 0, fmt.Errorf("Cant calculate price, pdf seems to be empty")
+	}
+
 	printMode := GetPrintMode(p.ShopItem.PrintMode)
 
 	//Get actual pagecount depending on printmode
@@ -154,7 +159,15 @@ func (p *PrintJob) CalculatePrintCosts() (float64, error) {
 	if p.IsColored() {
 		partCost = 0.0478
 	}
-	printingCosts := float64(actualPageCount) * p.PaperType.Price
+
+	printingCosts := float64(actualPageCount-1) * p.PaperType.Price
+
+	if p.CoverPaperType != nil {
+		printingCosts += p.CoverPaperType.Price
+	} else {
+		printingCosts += p.PaperType.Price
+	}
+
 	printingCosts += float64(actualPageCount/2) * PPC
 	printingCosts += partCost * float64(actualPageCount)
 

views/printvariant.html

@@ -53,7 +53,7 @@
 
                 <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">None</option>
+                        <option selected value="0">CoverPage: None</option>
                         {{ range $.data.paper }}
                         <option value="{{ .ID }}">{{ .Brand }} - {{ .Name }}: {{ .Size }} {{ .Weight }}g/m2</option>
                         {{ end}}