Better code organization

domotika/db/dmdb.py

@@ -941,7 +941,7 @@ def getVoiceCommandList():
 
 
 def getScreenshotUri(target):
-   qstring="select screenshot from mediasources where button_name LIKE '"+target+"%' limit 1"
+   qstring="select screenshot from mediasources where button_name LIKE '"+target+"%'"
    return runQuery(qstring)
 
 def getClimaUniques():

domotika/domotika.py

@@ -2455,13 +2455,16 @@ class domotikaService(service.Service):
    def web_on_getScreenshotList(self, screenshot=True):
       return dmdb.getScreenshotList(screenshot=screenshot)
 
-   def web_on_getScreenshot(self, target):
+   def web_on_getScreenshot(self, target, callback=None):
       def imageReturn(img):
          return img
       def prepareScreenshot(res):
+         if callback == None:
             if res:
                return wu.getPage(res[0][0]).addCallback(imageReturn)
             return False
+         for r in res:
+            wu.getPage(r[0]).addCallback(callback)
       return dmdb.getScreenshotUri(target).addCallback(prepareScreenshot)
 
    def web_on_getClimaUniques(self):