Saner file names

viewmodels/issue_view.go

@@ -0,0 +1,44 @@
+package viewmodels
+
+import (
+	"errors"
+	"time"
+
+	"github.com/Theodor-Springmann-Stiftung/kgpz_web/providers/xmlprovider"
+)
+
+const TLAYOUT = "2006-01-02"
+
+type IssueViewModel struct {
+	*xmlprovider.Issue
+	Day   int
+	Month int
+	Year  int
+}
+
+func IssueView(y string, No string, lib *xmlprovider.Library) (*IssueViewModel, error) {
+	issue := lib.Issues.Item(y + "-" + No)
+
+	if issue == nil {
+		return nil, errors.New("Issue not found")
+	}
+
+	return FromIssue(issue)
+
+}
+
+func FromIssue(i *xmlprovider.Issue) (*IssueViewModel, error) {
+	t, err := time.Parse(TLAYOUT, i.Datum.When)
+	if err != nil {
+		return nil, err
+	}
+
+	ivm := IssueViewModel{
+		Issue: i,
+		Day:   t.Day(),
+		Month: int(t.Month()),
+		Year:  t.Year(),
+	}
+
+	return &ivm, nil
+}