feat: Sites feature backend

api/handlers/article/articleHandler.go

@@ -5,10 +5,12 @@ import (
 	"RenewCMS/api/pkg/claims"
 	validator "RenewCMS/api/pkg/validator"
 	domain "RenewCMS/internal/domain/article"
+	"RenewCMS/internal/domain/site"
 	"RenewCMS/internal/infrastructure/useCases"
 	"encoding/json"
 	"errors"
 	"fmt"
+	"io"
 	"log"
 	"net/http"
 	"net/url"
@@ -50,6 +52,7 @@ type articleResponse struct {
 	Body       json.RawMessage   `json:"body"`
 	BodyFormat domain.BodyFormat `json:"body_format"`
 	IsOnline   bool              `json:"is_online"`
+	SiteID     uint32            `json:"site_id"`
 	CreatedAt  time.Time         `json:"created_at"`
 	UpdatedAt  time.Time         `json:"updated_at"`
 }
@@ -69,6 +72,7 @@ func toArticleResponse(article domain.Article, format domain.BodyFormat) (articl
 		Body:       body,
 		BodyFormat: format,
 		IsOnline:   article.IsOnline,
+		SiteID:     article.SiteID,
 		CreatedAt:  article.CreatedAt,
 		UpdatedAt:  article.UpdatedAt,
 	}, nil
@@ -173,6 +177,10 @@ func writeArticleErrorResponse(w http.ResponseWriter, err error) {
 		http.Error(w, apperr.ArticleNotFoundErrorMessage, http.StatusNotFound)
 		return
 	}
+	if errors.Is(err, site.ErrSiteNotFound) {
+		http.Error(w, apperr.SiteNotFoundErrorMessage, http.StatusNotFound)
+		return
+	}
 	http.Error(w, "Internal server error", http.StatusInternalServerError)
 }
 
@@ -213,7 +221,40 @@ func (h *Handler) setIsOnline(w http.ResponseWriter, r *http.Request, isOnline b
 }
 
 type UpdateArticleBody struct {
-	Body string `json:"body"`
+	Body   *string `json:"body"`
+	SiteID *uint32 `json:"site_id" validate:"omitempty,gte=1"`
+}
+
+var updatableArticleFields = []string{"body", "site_id"}
+
+func readUpdateArticleBody(r *http.Request) (UpdateArticleBody, bool) {
+	raw, err := io.ReadAll(r.Body)
+	if err != nil {
+		return UpdateArticleBody{}, false
+	}
+	var fields map[string]json.RawMessage
+	if err := json.Unmarshal(raw, &fields); err != nil {
+		return UpdateArticleBody{}, false
+	}
+	known := 0
+	for _, name := range updatableArticleFields {
+		value, present := fields[name]
+		if !present {
+			continue
+		}
+		if string(value) == "null" {
+			return UpdateArticleBody{}, false
+		}
+		known++
+	}
+	if known == 0 {
+		return UpdateArticleBody{}, false
+	}
+	var request UpdateArticleBody
+	if err := json.Unmarshal(raw, &request); err != nil {
+		return UpdateArticleBody{}, false
+	}
+	return request, true
 }
 
 func (h *Handler) UpdateArticleBody(w http.ResponseWriter, r *http.Request) {
@@ -228,18 +269,22 @@ func (h *Handler) UpdateArticleBody(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	var localArticle UpdateArticleBody
-	if err := json.NewDecoder(r.Body).Decode(&localArticle); err != nil {
+	request, ok := readUpdateArticleBody(r)
+	if !ok {
 		http.Error(w, apperr.BodyErrorMessage, http.StatusBadRequest)
 		return
 	}
 
-	if err := validator.Validate.Struct(localArticle); err != nil {
+	if err := validator.Validate.Struct(request); err != nil {
 		http.Error(w, err.Error(), http.StatusBadRequest)
 		return
 	}
 
-	updatedArticle, err := h.UpdateUseCase.UpdateBody(r.Context(), id, localArticle.Body, format)
+	updatedArticle, err := h.UpdateUseCase.Update(r.Context(), id, useCases.UpdateArticleCommand{
+		Body:   request.Body,
+		SiteID: request.SiteID,
+		Format: format,
+	})
 	if err != nil {
 		writeArticleErrorResponse(w, err)
 		return
@@ -276,11 +321,12 @@ const (
 )
 
 type listQuery struct {
-	Page   int    `validate:"gte=1"`
-	Size   int    `validate:"oneof=5 25 50 100"`
-	Q      string `validate:"max=200"`
-	Status string `validate:"omitempty,oneof=online draft"`
-	Sort   string `validate:"oneof=title:asc title:desc status:asc status:desc created_at:asc created_at:desc updated_at:asc updated_at:desc"`
+	Page   int     `validate:"gte=1"`
+	Size   int     `validate:"oneof=5 25 50 100"`
+	Q      string  `validate:"max=200"`
+	Status string  `validate:"omitempty,oneof=online draft"`
+	Site   *string `validate:"omitempty,min=1"`
+	Sort   string  `validate:"oneof=title:asc title:desc status:asc status:desc created_at:asc created_at:desc updated_at:asc updated_at:desc"`
 }
 
 const defaultListSort = "updated_at:desc"
@@ -322,7 +368,15 @@ func readListQuery(values url.Values) (listQuery, error) {
 	if values.Has("sort") {
 		sortValue = values.Get("sort")
 	}
-	return listQuery{Page: page, Size: size, Q: values.Get("q"), Status: status, Sort: sortValue}, nil
+	var siteKey *string
+	if values.Has("site") {
+		key := values.Get("site")
+		if key == "" {
+			return listQuery{}, errors.New("empty site")
+		}
+		siteKey = &key
+	}
+	return listQuery{Page: page, Size: size, Q: values.Get("q"), Status: status, Sort: sortValue, Site: siteKey}, nil
 }
 
 func (h *Handler) ListArticles(w http.ResponseWriter, r *http.Request) {
@@ -345,6 +399,7 @@ func (h *Handler) ListArticles(w http.ResponseWriter, r *http.Request) {
 		Q:        query.Q,
 		Status:   query.Status,
 		Sort:     parseSort(query.Sort),
+		SiteKey:  query.Site,
 	})
 	if err != nil {
 		http.Error(w, "Failed to retrieve articles", http.StatusInternalServerError)