Added Lookup functions to template to do reverse lookups on works, issues and pieces

package-lock.json

@@ -0,0 +1,6 @@
+{
+  "name": "kgpz_web",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {}
+}

providers/gnd/gnd.go

@@ -109,7 +109,8 @@ func (p *GNDProvider) WriteCache(folder string) error {
 	return nil
 }
 
-// TODO: Dont write persons already written
+// INFO: this writes all persons to the cache folder
+// We do that on every fetch, it's easier that way
 func (p *GNDProvider) writePersons(folder string) error {
 	info, err := os.Stat(folder)
 	if err == os.ErrNotExist {

providers/xmlprovider/xmlprovider.go

@@ -1,7 +1,6 @@
 package xmlprovider
 
 import (
-	"fmt"
 	"slices"
 	"sync"
 	"time"
@@ -135,24 +134,20 @@ func (p *XMLProvider[T]) Cleanup(latest ParseMeta) {
 	}
 }
 
-func (p *XMLProvider[T]) ReverseLookup(item XMLItem) ([]Resolved[T], error) {
-	keys := item.Keys()
-
-	if len(keys) == 0 {
-		return nil, fmt.Errorf("Item has no keys")
-	}
-
+func (p *XMLProvider[T]) ReverseLookup(item XMLItem) []Resolved[T] {
 	// INFO: this runs just once for the first key
 	ret := make([]Resolved[T], 0)
+	keys := item.Keys()
+
 	for _, key := range keys {
 		r, err := p.Resolver.Get(item.Name(), key)
-		if err != nil {
-			return ret, err
+		if err == nil {
+			ret = append(ret, r...)
+			return ret
 		}
-		ret = append(ret, r...)
 	}
 
-	return ret, nil
+	return ret
 }
 
 func (a *XMLProvider[T]) String() string {

templating/engine.go

@@ -67,6 +67,10 @@ func (e *Engine) Funcs(app *app.KGPZ) error {
 	e.AddFunc("GetPiece", app.Library.Pieces.Item)
 	e.AddFunc("GetGND", app.GND.Person)
 
+	e.AddFunc("LookupPieces", app.Library.Pieces.ReverseLookup)
+	e.AddFunc("LookupWorks", app.Library.Works.ReverseLookup)
+	e.AddFunc("LookupIssues", app.Library.Issues.ReverseLookup)
+
 	return nil
 }
 

viewmodels/agent_view.go

@@ -5,30 +5,18 @@ import (
 	"slices"
 	"strings"
 
-	"github.com/Theodor-Springmann-Stiftung/kgpz_web/providers/xmlprovider"
 	"github.com/Theodor-Springmann-Stiftung/kgpz_web/xmlmodels"
 )
 
 type AgentsListView struct {
 	Search           string
 	AvailableLetters []string
-	Agents           map[string]AgentView
+	Agents           map[string]xmlmodels.Agent
 	Sorted           []string
 }
 
-type AgentView struct {
-	xmlmodels.Agent
-	Works  []WorkByAgent
-	Pieces []xmlprovider.Resolved[xmlmodels.Piece]
-}
-
-type WorkByAgent struct {
-	xmlprovider.Resolved[xmlmodels.Work]
-	Pieces []xmlprovider.Resolved[xmlmodels.Piece]
-}
-
 func AgentsView(letterorid string, lib *xmlmodels.Library) *AgentsListView {
-	res := AgentsListView{Search: letterorid, Agents: make(map[string]AgentView)}
+	res := AgentsListView{Search: letterorid, Agents: make(map[string]xmlmodels.Agent)}
 	av := make(map[string]bool)
 
 	if len(letterorid) == 1 {
@@ -37,7 +25,7 @@ func AgentsView(letterorid string, lib *xmlmodels.Library) *AgentsListView {
 			av[strings.ToUpper(a.ID[:1])] = true
 			if strings.HasPrefix(a.ID, letterorid) {
 				res.Sorted = append(res.Sorted, a.ID)
-				res.Agents[a.ID] = AgentView{Agent: a}
+				res.Agents[a.ID] = a
 			}
 		}
 	} else {
@@ -46,30 +34,12 @@ func AgentsView(letterorid string, lib *xmlmodels.Library) *AgentsListView {
 			av[strings.ToUpper(a.ID[:1])] = true
 			if a.ID == letterorid {
 				res.Sorted = append(res.Sorted, a.ID)
-				res.Agents[a.ID] = AgentView{Agent: a}
+				res.Agents[a.ID] = a
 				break
 			}
 		}
 	}
 
-	for _, a := range res.Agents {
-		if works, err := lib.Works.ReverseLookup(a); err == nil {
-			for _, w := range works {
-				if pieces, err := lib.Pieces.ReverseLookup(w.Item); err == nil {
-					// INFO: it makes no sense to append works that have no pieces attached
-					a.Works = append(a.Works, WorkByAgent{Resolved: w, Pieces: pieces})
-				}
-			}
-		}
-
-		if pieces, err := lib.Pieces.ReverseLookup(a.Agent); err == nil {
-			a.Pieces = pieces
-		}
-
-		// TODO: sort the things, also for works and pieces above
-		res.Agents[a.ID] = a
-	}
-
 	res.AvailableLetters = slices.Collect(maps.Keys(av))
 	slices.Sort(res.AvailableLetters)
 	slices.Sort(res.Sorted)

views/routes/components/_akteur.gohtml

@@ -42,9 +42,10 @@
 			</div>
 		</div>
 
-		{{- if ne (len $a.Works) 0 -}}
+		{{ $works := LookupWorks $a }}
+		{{- if ne (len $works) 0 -}}
 			<div>
-				{{ range $_, $w := $a.Works }}
+				{{ range $_, $w := $works }}
 					{{- if ne (len $w.Item.Citation.InnerXML ) 0 -}}
 								<script type="application/xml" xslt-template="transform-citation" xslt-onload>
 									<xml>
@@ -52,13 +53,19 @@
 									</xml>
 								</script>
 					{{- end -}}
+					{{ range $_, $url := $w.Item.URLs }}
+						<div>
+							<a href="{{ $url.Address }}" target="_blank">{{ $url.Chardata }}</a>
+						</div>
+					{{ end }}
 				{{ end }}
 			</div>
 		{{ end }}
 
-		{{- if ne (len $a.Pieces) 0 -}}
+		{{ $pieces := LookupPieces $a }}
+		{{- if ne (len $pieces) 0 -}}
 			<div>
-				{{ range $_, $p := $a.Pieces }}
+				{{ range $_, $p := $pieces }}
 					{{- range $_, $i := $p.Item.IssueRefs -}}
 						<div>
 							<a href="/{{ $i.When }}/{{ $i.Nr }}">{{ $i.Nr }}/{{ $i.When }}</a>

xmlmodels/common.go

@@ -30,6 +30,7 @@ type URL struct {
 	XMLName xml.Name `xml:"url"`
 	Address string   `xml:"address,attr"`
 	Value
+	Inner
 }
 
 type AnnotationNote struct {