restructured viewmodels, better serialization

providers/xmlprovider/pieces.go

@@ -0,0 +1,53 @@
+package xmlprovider
+
+import (
+	"encoding/xml"
+	"fmt"
+)
+
+type PieceProvider struct {
+	XMLProvider[Pieces]
+}
+
+type Pieces struct {
+	XMLName xml.Name `xml:"beitraege"`
+	Piece   []Piece  `xml:"beitrag"`
+}
+
+type Piece struct {
+	XMLName       xml.Name        `xml:"beitrag"`
+	IssueRefs     []IssueRef      `xml:"stueck"`
+	PlaceRefs     []PlaceRef      `xml:"ort"`
+	CategoryRefs  []CategoryRef   `xml:"kategorie"`
+	AgentRefs     []AgentRef      `xml:"akteur"`
+	WorkRefs      []WorkRef       `xml:"werk"`
+	PieceRefs     []PieceRef      `xml:"beitrag"`
+	AdditionalRef []AdditionalRef `xml:"beilage"`
+	Datum         []KGPZDate      `xml:"datum"`
+	Incipit       []string        `xml:"incipit"`
+	Title         []string        `xml:"titel"`
+	Identifier
+	AnnotationNote
+}
+
+func (p Pieces) Append(data Pieces) Pieces {
+	p.Piece = append(p.Piece, data.Piece...)
+	return p
+}
+
+func (p Pieces) String() string {
+	var res []string
+	for _, piece := range p.Piece {
+		res = append(res, piece.String())
+	}
+
+	return fmt.Sprintf("Pieces: %v", res)
+}
+
+func (p Piece) String() string {
+	return fmt.Sprintf("ID: %s\nIssueRefs: %v\nPlaceRefs: %v\nCategoryRefs: %v\nAgentRefs: %v\nWorkRefs: %v\nPieceRefs: %v\nAdditionalRef: %v\nIncipit: %v\nTitle: %v\nAnnotations: %v\nNotes: %v\n", p.ID, p.IssueRefs, p.PlaceRefs, p.CategoryRefs, p.AgentRefs, p.WorkRefs, p.PieceRefs, p.AdditionalRef, p.Incipit, p.Title, p.Annotations, p.Notes)
+}
+
+func NewPieceProvider(paths []string) *PieceProvider {
+	return &PieceProvider{XMLProvider: XMLProvider[Pieces]{paths: paths}}
+}