feat: Authors feature backend (and upgraded deprecated mods)

internal/infrastructure/persistence/mappers/authorMapper.go

@@ -0,0 +1,59 @@
+package mappers
+
+import (
+	"RenewCMS/internal/domain/author"
+	"RenewCMS/internal/infrastructure/persistence/models"
+	"encoding/json"
+)
+
+const emptyLinks = "[]"
+
+func decodeLinks(raw string) []author.SocialLink {
+	links := []author.SocialLink{}
+	if raw == "" {
+		return links
+	}
+	if err := json.Unmarshal([]byte(raw), &links); err != nil || links == nil {
+		return []author.SocialLink{}
+	}
+	return links
+}
+
+func encodeLinks(links []author.SocialLink) string {
+	if len(links) == 0 {
+		return emptyLinks
+	}
+	encoded, err := json.Marshal(links)
+	if err != nil {
+		return emptyLinks
+	}
+	return string(encoded)
+}
+
+func AuthorToDomain(m models.Author, articleCount int) author.Author {
+	return author.Author{
+		ID:           m.ID,
+		Name:         m.Name,
+		Slug:         m.Slug,
+		Bio:          m.Bio,
+		AvatarID:     m.AvatarID,
+		Website:      m.Website,
+		SocialLinks:  decodeLinks(m.SocialLinks),
+		UserID:       m.UserID,
+		IsLinked:     m.UserID != nil,
+		ArticleCount: articleCount,
+	}
+}
+
+func AuthorToModel(a author.Author) models.Author {
+	return models.Author{
+		ID:          a.ID,
+		Name:        a.Name,
+		Slug:        a.Slug,
+		Bio:         a.Bio,
+		AvatarID:    a.AvatarID,
+		Website:     a.Website,
+		SocialLinks: encodeLinks(a.SocialLinks),
+		UserID:      a.UserID,
+	}
+}