Agent-System/internal/server/workflow_catalog_handlers.go

package server

import (
	"net/http"

	"chat-agent-system/internal/workflowdef"
)

type workflowCatalogItem struct {
	Key           string `json:"key"`
	Name          string `json:"name"`
	LatestVersion int    `json:"latest_version"`
	ProductDomain string `json:"product_domain,omitempty"`
}

func (s *Server) handleWorkflowCatalog(w http.ResponseWriter, r *http.Request) {
	if s.wfDefSvc == nil || !s.wfDefSvc.Available() {
		http.Error(w, `{"error":"ERR_NOT_AVAILABLE","message":"workflow catalog unavailable"}`, http.StatusServiceUnavailable)
		return
	}
	defs, err := s.wfDefSvc.Store().ListProjectSelectableDefinitions(r.Context())
	if err != nil {
		http.Error(w, `{"error":"ERR_INTERNAL","message":"`+err.Error()+`"}`, http.StatusInternalServerError)
		return
	}
	items := make([]workflowCatalogItem, 0, len(workflowdef.OfficialWorkflowKeys()))
	seen := map[string]bool{}
	for _, d := range defs {
		if !workflowdef.IsOfficialWorkflowKey(d.Key) || seen[d.Key] {
			continue
		}
		seen[d.Key] = true
		name := d.Name
		if name == "" {
			name = workflowdef.OfficialWorkflowName(d.Key)
		}
		items = append(items, workflowCatalogItem{
			Key:           d.Key,
			Name:          name,
			LatestVersion: d.LatestPublishedVersion,
			ProductDomain: d.ProductDomain,
		})
	}
	for _, key := range workflowdef.OfficialWorkflowKeys() {
		if seen[key] {
			continue
		}
		items = append(items, workflowCatalogItem{
			Key:  key,
			Name: workflowdef.OfficialWorkflowName(key),
		})
	}
	writeJSONResponse(w, http.StatusOK, map[string]any{"workflows": items})
}