view changes

viewmodels/singleissuevm.go

@@ -0,0 +1,38 @@
+package viewmodels
+
+import (
+	"strconv"
+
+	"github.com/Theodor-Springmann-Stiftung/kgpz_web/providers/xmlprovider"
+)
+
+type SingleIssueViewModel struct {
+	IssueViewModel
+	No     string
+	Year   string
+	Pieces PieceListViewModel
+	Next   IssueViewModel
+	Prev   IssueViewModel
+}
+
+func NewSingleIssueView(y string, No string, lib *xmlprovider.Library) (*SingleIssueViewModel, error) {
+	ivm, err := IssueView(y, No, lib)
+	if err != nil {
+		return nil, err
+	}
+
+	pl, err := PieceListViewModelForIssue(lib, y, No)
+	if err != nil {
+		return nil, err
+	}
+	sivm := SingleIssueViewModel{IssueViewModel: *ivm, No: No, Year: y, Pieces: *pl}
+
+	no, err := strconv.Atoi(No)
+	if err != nil {
+		return nil, err
+	}
+
+	sivm.Pieces.Sort(y, no)
+
+	return &sivm, nil
+}