func (server *Server) serveGroup(writer http.ResponseWriter, request *http.Request) {
var (
groupID string
groupType int
)
if strings.HasPrefix(request.URL.Path, urlLibraryPath+"sourcegroups") {
groupID = strings.TrimPrefix(request.URL.Path, urlLibraryPath+"sourcegroups/")
groupType = library.LibraryItemSourceGroup
} else if strings.HasPrefix(request.URL.Path, urlLibraryPath+"metricgroups") {
groupID = strings.TrimPrefix(request.URL.Path, urlLibraryPath+"metricgroups/")
groupType = library.LibraryItemMetricGroup
}
switch request.Method {
case "DELETE":
if groupID == "" {
server.serveResponse(writer, serverResponse{mesgMethodNotAllowed}, http.StatusMethodNotAllowed)
return
}
err := server.Library.DeleteItem(groupID, groupType)
if os.IsNotExist(err) {
server.serveResponse(writer, serverResponse{mesgResourceNotFound}, http.StatusNotFound)
return
} else if err != nil {
logger.Log(logger.LevelError, "server", "%s", err)
server.serveResponse(writer, serverResponse{mesgUnhandledError}, http.StatusInternalServerError)
return
}
server.serveResponse(writer, nil, http.StatusOK)
case "GET", "HEAD":
if groupID == "" {
server.serveGroupList(writer, request)
return
}
item, err := server.Library.GetItem(groupID, groupType)
if os.IsNotExist(err) {
server.serveResponse(writer, serverResponse{mesgResourceNotFound}, http.StatusNotFound)
return
} else if err != nil {
logger.Log(logger.LevelError, "server", "%s", err)
server.serveResponse(writer, serverResponse{mesgUnhandledError}, http.StatusInternalServerError)
return
}
server.serveResponse(writer, item, http.StatusOK)
case "POST", "PUT":
var group *library.Group
if response, status := server.parseStoreRequest(writer, request, groupID); status != http.StatusOK {
server.serveResponse(writer, response, status)
return
}
if request.Method == "POST" && request.FormValue("inherit") != "" {
// Get group from library
item, err := server.Library.GetItem(request.FormValue("inherit"), groupType)
if os.IsNotExist(err) {
server.serveResponse(writer, serverResponse{mesgResourceNotFound}, http.StatusNotFound)
return
} else if err != nil {
logger.Log(logger.LevelError, "server", "%s", err)
server.serveResponse(writer, serverResponse{mesgUnhandledError}, http.StatusInternalServerError)
return
}
group = &library.Group{}
utils.Clone(item.(*library.Group), group)
group.ID = ""
} else {
// Create a new group instance
group = &library.Group{Item: library.Item{ID: groupID}, Type: groupType}
}
group.Modified = time.Now()
// Parse input JSON for group data
body, _ := ioutil.ReadAll(request.Body)
if err := json.Unmarshal(body, group); err != nil {
logger.Log(logger.LevelError, "server", "%s", err)
server.serveResponse(writer, serverResponse{mesgResourceInvalid}, http.StatusBadRequest)
return
}
// Store group data
err := server.Library.StoreItem(group, groupType)
if response, status := server.parseError(writer, request, err); status != http.StatusOK {
logger.Log(logger.LevelError, "server", "%s", err)
server.serveResponse(writer, response, status)
return
}
if request.Method == "POST" {
writer.Header().Add("Location", strings.TrimRight(request.URL.Path, "/")+"/"+group.ID)
server.serveResponse(writer, nil, http.StatusCreated)
} else {
server.serveResponse(writer, nil, http.StatusOK)
}
default:
server.serveResponse(writer, serverResponse{mesgMethodNotAllowed}, http.StatusMethodNotAllowed)
}
}
