restructured viewmodels, better serialization

providers/xmlprovider/issues.go

@@ -0,0 +1,60 @@
+package xmlprovider
+
+import (
+	"encoding/xml"
+	"fmt"
+)
+
+type IssueProvider struct {
+	XMLProvider[Issues]
+}
+
+type Issues struct {
+	XMLName xml.Name `xml:"stuecke"`
+	Issues  []Issue  `xml:"stueck"`
+}
+
+type Issue struct {
+	XMLName     xml.Name     `xml:"stueck"`
+	Number      Nummer       `xml:"nummer"`
+	Datum       KGPZDate     `xml:"datum"`
+	Von         int          `xml:"von"`
+	Bis         int          `xml:"bis"`
+	Additionals []Additional `xml:"beilage"`
+	Identifier
+	AnnotationNote
+}
+
+type Nummer struct {
+	No        int    `xml:",chardata"`
+	Corrected string `xml:"korrigiert,attr"`
+}
+
+type Additional struct {
+	XMLName xml.Name `xml:"beilage"`
+	Nummer  string   `xml:"nummer,attr"`
+	Von     string   `xml:"von"`
+	Bis     string   `xml:"bis"`
+}
+
+func (i Issues) Append(data Issues) Issues {
+	i.Issues = append(i.Issues, data.Issues...)
+	return i
+}
+
+func (i Issues) String() string {
+	var res []string
+	for _, issue := range i.Issues {
+		res = append(res, issue.String())
+	}
+
+	return fmt.Sprintf("Issues: %v", res)
+}
+
+func (i Issue) String() string {
+	return fmt.Sprintf("Number: %v, Datum: %v, Von: %d, Bis: %d, Additionals: %v, Identifier: %v, AnnotationNote: %v\n", i.Number, i.Datum, i.Von, i.Bis, i.Additionals, i.Identifier, i.AnnotationNote)
+}
+
+func NewIssueProvider(paths []string) *IssueProvider {
+	return &IssueProvider{XMLProvider: XMLProvider[Issues]{paths: paths}}
+}