feat(API): media field type

internal/infrastructure/useCases/GetMediaUsage.go

@@ -3,6 +3,8 @@ package useCases
 import (
 	"RenewCMS/internal/domain/article"
 	"RenewCMS/internal/domain/author"
+	"RenewCMS/internal/domain/contenttype"
+	"RenewCMS/internal/domain/entry"
 	"RenewCMS/internal/domain/image"
 	"RenewCMS/internal/domain/site"
 	"slices"
@@ -13,6 +15,7 @@ const (
 	UsageTypeArticle = "article"
 	UsageTypeAuthor  = "author"
 	UsageTypeSite    = "site"
+	UsageTypeEntry   = "entry"
 
 	UsageFieldBody               = "body"
 	UsageFieldCover              = "cover"
@@ -27,6 +30,16 @@ type MediaUsage struct {
 	Title     string
 	Published *bool
 	Fields    []string
+
+	ContentTypeKey  string
+	ContentTypeName string
+	FirstField      *UsageFirstField
+}
+
+type UsageFirstField struct {
+	Key   string
+	Type  contenttype.FieldType
+	Value any
 }
 
 type GetMediaUsageUseCase struct {
@@ -34,10 +47,11 @@ type GetMediaUsageUseCase struct {
 	articleRepository article.Repository
 	sites             site.Repository
 	authors           author.Repository
+	entries           *entryMediaScanner
 }
 
-func NewGetMediaUsageUseCase(imageRepository image.Repository, articleRepository article.Repository, sites site.Repository, authors author.Repository) *GetMediaUsageUseCase {
-	return &GetMediaUsageUseCase{imageRepository: imageRepository, articleRepository: articleRepository, sites: sites, authors: authors}
+func NewGetMediaUsageUseCase(imageRepository image.Repository, articleRepository article.Repository, sites site.Repository, authors author.Repository, contentTypes contenttype.Repository, entries entry.Repository) *GetMediaUsageUseCase {
+	return &GetMediaUsageUseCase{imageRepository: imageRepository, articleRepository: articleRepository, sites: sites, authors: authors, entries: newEntryMediaScanner(contentTypes, entries)}
 }
 
 func (u *GetMediaUsageUseCase) Usage(id uint32) ([]MediaUsage, error) {
@@ -57,7 +71,32 @@ func (u *GetMediaUsageUseCase) Usage(id uint32) ([]MediaUsage, error) {
 	if err != nil {
 		return nil, err
 	}
-	return slices.Concat(usages, authorUsages, siteUsages), nil
+	entryUsages, err := u.entryUsages(img)
+	if err != nil {
+		return nil, err
+	}
+	return slices.Concat(usages, authorUsages, siteUsages, entryUsages), nil
+}
+
+func (u *GetMediaUsageUseCase) entryUsages(img image.Image) ([]MediaUsage, error) {
+	referencing, err := u.entries.referencing(img.ID)
+	if err != nil {
+		return nil, err
+	}
+	targets := map[uint32]bool{img.ID: true}
+	usages := make([]MediaUsage, 0, len(referencing))
+	for _, found := range referencing {
+		first := found.owner.Fields[0]
+		usages = append(usages, MediaUsage{
+			Type:            UsageTypeEntry,
+			ID:              found.record.ID,
+			Fields:          found.keysPointingAt(targets),
+			ContentTypeKey:  found.owner.Key,
+			ContentTypeName: found.owner.Name,
+			FirstField:      &UsageFirstField{Key: first.Key, Type: first.Type, Value: found.record.Data[first.Key]},
+		})
+	}
+	return usages, nil
 }
 
 func (u *GetMediaUsageUseCase) articleUsages(img image.Image) ([]MediaUsage, error) {