First Commit

server/task_assets.go

@@ -0,0 +1,115 @@
+package server
+
+import (
+	"errors"
+	"net/http"
+	"strings"
+
+	"github.com/Autumn-27/artex/db"
+)
+
+const maxTaskAssetRequestBytes = 512 << 10
+
+// 작업 자산 API 가 사용자에게 돌려주는 오류 응답 문구. 필드명(scope·asset_ids)은
+// 요청 본문 키라 원문 그대로 두고, 사람이 읽는 메시지만 한국어로 둔다.
+const (
+	errTaskAssetRequestTooLarge = "요청 본문이 너무 큽니다"
+	errTaskAssetScopeConflict   = "scope 와 asset_ids 는 동시에 제출할 수 없습니다"
+)
+
+func writeTaskAssetError(w http.ResponseWriter, err error) {
+	switch {
+	case errors.Is(err, db.ErrTaskAssetInvalid):
+		writeErr(w, http.StatusBadRequest, err.Error())
+	case errors.Is(err, db.ErrTaskAssetTaskNotFound), errors.Is(err, db.ErrTaskAssetAssetNotFound):
+		writeErr(w, http.StatusNotFound, err.Error())
+	default:
+		writeErr(w, http.StatusInternalServerError, err.Error())
+	}
+}
+
+func (s *Server) attachTaskAssets(w http.ResponseWriter, r *http.Request) {
+	task, ok := s.m.Task(r.PathValue("id"))
+	if !ok {
+		writeErr(w, http.StatusNotFound, "task not found")
+		return
+	}
+	r.Body = http.MaxBytesReader(w, r.Body, maxTaskAssetRequestBytes)
+	var request struct {
+		AssetIDs      []int64            `json:"asset_ids"`
+		SourceSummary string             `json:"source_summary"`
+		Scope         companyScopeInputs `json:"scope"`
+	}
+	if err := decode(r, &request); err != nil {
+		var tooLarge *http.MaxBytesError
+		if errors.As(err, &tooLarge) {
+			writeErr(w, http.StatusRequestEntityTooLarge, errTaskAssetRequestTooLarge)
+		} else {
+			writeErr(w, http.StatusBadRequest, err.Error())
+		}
+		return
+	}
+	request.SourceSummary = strings.TrimSpace(request.SourceSummary)
+	taskID, _ := parseTaskID(task.ID)
+	if request.Scope != nil && len(request.AssetIDs) > 0 {
+		writeErr(w, http.StatusBadRequest, errTaskAssetScopeConflict)
+		return
+	}
+	if request.Scope != nil {
+		mutation, err := s.m.Assets().RegisterTaskAssetScopes(taskID, request.Scope)
+		if err != nil {
+			writeTaskAssetError(w, err)
+			return
+		}
+		task.Notify()
+		writeJSON(w, http.StatusOK, mutation)
+		return
+	}
+	mutation, err := s.m.Assets().AttachAssetsToTask(taskID, request.AssetIDs, request.SourceSummary)
+	if err != nil {
+		writeTaskAssetError(w, err)
+		return
+	}
+	task.Notify()
+	writeJSON(w, http.StatusOK, mutation)
+}
+
+func (s *Server) detachTaskAsset(w http.ResponseWriter, r *http.Request) {
+	task, ok := s.m.Task(r.PathValue("id"))
+	if !ok {
+		writeErr(w, http.StatusNotFound, "task not found")
+		return
+	}
+	assetID, ok := pathInt(r, "assetID")
+	if !ok {
+		writeErr(w, http.StatusBadRequest, "bad asset id")
+		return
+	}
+	taskID, _ := parseTaskID(task.ID)
+	detached, err := s.m.Assets().DetachAssetFromTask(taskID, assetID)
+	if err != nil {
+		writeTaskAssetError(w, err)
+		return
+	}
+	if !detached {
+		writeErr(w, http.StatusNotFound, "asset is not associated with this task")
+		return
+	}
+	task.Notify()
+	writeJSON(w, http.StatusOK, map[string]any{"detached": assetID})
+}
+
+func (s *Server) taskIntentAssets(w http.ResponseWriter, r *http.Request) {
+	task, ok := s.m.Task(r.PathValue("id"))
+	if !ok {
+		writeErr(w, http.StatusNotFound, "task not found")
+		return
+	}
+	taskID, _ := parseTaskID(task.ID)
+	assets, err := s.m.Assets().IntentAssets(taskID)
+	if err != nil {
+		writeTaskAssetError(w, err)
+		return
+	}
+	writeJSON(w, http.StatusOK, map[string]any{"assets": assets})
+}