推进活动系统最小成品闭环与游客体验

backend/internal/httpapi/handlers/admin_asset_handler.go

@@ -0,0 +1,132 @@
+package handlers
+
+import (
+	"crypto/sha256"
+	"encoding/hex"
+	"encoding/json"
+	"io"
+	"net/http"
+	"os"
+
+	"cmr-backend/internal/apperr"
+	"cmr-backend/internal/httpx"
+	"cmr-backend/internal/service"
+)
+
+type AdminAssetHandler struct {
+	service *service.AdminAssetService
+}
+
+func NewAdminAssetHandler(service *service.AdminAssetService) *AdminAssetHandler {
+	return &AdminAssetHandler{service: service}
+}
+
+func (h *AdminAssetHandler) ListAssets(w http.ResponseWriter, r *http.Request) {
+	result, err := h.service.ListManagedAssets(r.Context(), parseAdminLimit(r))
+	if err != nil {
+		httpx.WriteError(w, err)
+		return
+	}
+	httpx.WriteJSON(w, http.StatusOK, map[string]any{"data": result})
+}
+
+func (h *AdminAssetHandler) GetAsset(w http.ResponseWriter, r *http.Request) {
+	result, err := h.service.GetManagedAsset(r.Context(), r.PathValue("assetPublicID"))
+	if err != nil {
+		httpx.WriteError(w, err)
+		return
+	}
+	httpx.WriteJSON(w, http.StatusOK, map[string]any{"data": result})
+}
+
+func (h *AdminAssetHandler) RegisterLink(w http.ResponseWriter, r *http.Request) {
+	var req service.RegisterLinkAssetInput
+	if err := httpx.DecodeJSON(r, &req); err != nil {
+		httpx.WriteError(w, apperr.New(http.StatusBadRequest, "invalid_json", "invalid request body: "+err.Error()))
+		return
+	}
+	result, err := h.service.RegisterExternalLink(r.Context(), req)
+	if err != nil {
+		httpx.WriteError(w, err)
+		return
+	}
+	httpx.WriteJSON(w, http.StatusCreated, map[string]any{"data": result})
+}
+
+func (h *AdminAssetHandler) UploadFile(w http.ResponseWriter, r *http.Request) {
+	if err := r.ParseMultipartForm(64 << 20); err != nil {
+		httpx.WriteError(w, apperr.New(http.StatusBadRequest, "invalid_multipart", "invalid multipart form: "+err.Error()))
+		return
+	}
+
+	file, header, err := r.FormFile("file")
+	if err != nil {
+		httpx.WriteError(w, apperr.New(http.StatusBadRequest, "file_required", "multipart file field 'file' is required"))
+		return
+	}
+	defer file.Close()
+
+	tmpFile, err := os.CreateTemp("", "cmr-upload-*"+header.Filename)
+	if err != nil {
+		httpx.WriteError(w, err)
+		return
+	}
+	tmpPath := tmpFile.Name()
+	defer os.Remove(tmpPath)
+
+	hash := sha256.New()
+	written, err := io.Copy(io.MultiWriter(tmpFile, hash), file)
+	if err != nil {
+		tmpFile.Close()
+		httpx.WriteError(w, err)
+		return
+	}
+	if err := tmpFile.Close(); err != nil {
+		httpx.WriteError(w, err)
+		return
+	}
+
+	input := service.UploadAssetFileInput{
+		AssetType:   r.FormValue("assetType"),
+		AssetCode:   r.FormValue("assetCode"),
+		Version:     r.FormValue("version"),
+		Title:       stringPtrOrNil(r.FormValue("title")),
+		ObjectDir:   stringPtrOrNil(r.FormValue("objectDir")),
+		FileName:    header.Filename,
+		ContentType: header.Header.Get("Content-Type"),
+		FileSize:    written,
+		Checksum:    hex.EncodeToString(hash.Sum(nil)),
+		TempPath:    tmpPath,
+		Status:      r.FormValue("status"),
+		Metadata:    parseMetadataJSON(r.FormValue("metadataJson")),
+	}
+
+	result, err := h.service.UploadAssetFile(r.Context(), input)
+	if err != nil {
+		httpx.WriteError(w, err)
+		return
+	}
+	httpx.WriteJSON(w, http.StatusCreated, map[string]any{
+		"data": result,
+		"meta": map[string]any{
+			"uploadedBytes":  written,
+			"checksumSha256": input.Checksum,
+		},
+	})
+}
+
+func stringPtrOrNil(value string) *string {
+	if value == "" {
+		return nil
+	}
+	return &value
+}
+
+func parseMetadataJSON(raw string) map[string]any {
+	if raw == "" {
+		return nil
+	}
+	var payload map[string]any
+	_ = json.Unmarshal([]byte(raw), &payload)
+	return payload
+}