Add folder update support and ClientData field.

[src/xds/xds-server.git] / lib / model / folders.go

diff --git a/lib/model/folders.go b/lib/model/folders.go
index b8e6cf5..0e28538 100644 (file)
--- a/lib/model/folders.go
+++ b/lib/model/folders.go
@@ -10,6 +10,7 @@ import (
        "time"
 
        "github.com/Sirupsen/logrus"
+       "github.com/franciscocpg/reflectme"
        common "github.com/iotbzh/xds-common/golib"
        "github.com/iotbzh/xds-server/lib/folder"
        "github.com/iotbzh/xds-server/lib/syncthing"
@@ -318,6 +319,54 @@ func (f *Folders) Delete(id string) (folder.FolderConfig, error) {
        return fld, err
 }
 
+// Update Update a specific folder
+func (f *Folders) Update(id string, cfg folder.FolderConfig) (*folder.FolderConfig, error) {
+       fcMutex.Lock()
+       defer fcMutex.Unlock()
+
+       fc, exist := f.folders[id]
+       if !exist {
+               return nil, fmt.Errorf("unknown id")
+       }
+
+       // Copy current in a new object to change nothing in case of an error rises
+       newCfg := folder.FolderConfig{}
+       reflectme.Copy((*fc).GetConfig(), &newCfg)
+
+       // Only update some fields
+       dirty := false
+       for _, fieldName := range folder.FolderConfigUpdatableFields {
+               valNew, err := reflectme.GetField(cfg, fieldName)
+               if err == nil {
+                       valCur, err := reflectme.GetField(newCfg, fieldName)
+                       if err == nil && valNew != valCur {
+                               err = reflectme.SetField(&newCfg, fieldName, valNew)
+                               if err != nil {
+                                       return nil, err
+                               }
+                               dirty = true
+                       }
+               }
+       }
+
+       if !dirty {
+               return &newCfg, nil
+       }
+
+       fld, err := (*fc).Update(newCfg)
+       if err != nil {
+               return fld, err
+       }
+
+       // Save config on disk
+       err = f.SaveConfig()
+
+       // Send event to notified changes
+       // TODO emit folder change event
+
+       return fld, err
+}
+
 // RegisterEventChange requests registration for folder event change
 func (f *Folders) RegisterEventChange(id string, cb *folder.EventCB, data *folder.EventCBData) error {