package swagger import ( "io/fs" "net/http" yamlcodec "go.unistack.org/micro-codec-yaml/v3" rutil "go.unistack.org/micro/v3/util/reflect" ) // Handler append to generated swagger data from dst map[string]interface{} var Handler = func(dst map[string]interface{}, fsys fs.FS) http.HandlerFunc { c := yamlcodec.NewCodec() return func(w http.ResponseWriter, r *http.Request) { if r.Method != http.MethodGet { w.WriteHeader(http.StatusNotFound) return } path := r.URL.Path if len(path) > 1 && path[0] == '/' { path = path[1:] } buf, err := fs.ReadFile(fsys, path) if err != nil { w.WriteHeader(http.StatusInternalServerError) _, _ = w.Write([]byte(err.Error())) return } if dst == nil { w.WriteHeader(http.StatusOK) _, _ = w.Write(buf) } var src interface{} if err = c.Unmarshal(buf, src); err != nil { w.WriteHeader(http.StatusInternalServerError) _, _ = w.Write([]byte(err.Error())) return } if err = rutil.Merge(src, dst); err != nil { w.WriteHeader(http.StatusInternalServerError) _, _ = w.Write([]byte(err.Error())) return } if buf, err = c.Marshal(src); err != nil { w.WriteHeader(http.StatusInternalServerError) _, _ = w.Write([]byte(err.Error())) return } w.WriteHeader(http.StatusOK) _, _ = w.Write(buf) } }