def GetContext(self):
tContext = {}
tPaList = []
tOffset = 0
tStringOffset = self.request.get('offset')
if (len(tStringOffset) > 0):
tOffset = int(tStringOffset)
else:
tOffset = 0
if (tOffset == 0):
tPrev = tOffset
else:
tPrev = tOffset - 20
tOffset = tOffset + 20
tNext = tOffset
tOffset = str(tOffset)
tNext = str(tNext)
tPrev = str(tPrev)
tContext['next'] = str(tNext)
tContext['prev'] = str(tPrev)
tPa = PaOrder().all()
tPa.order('-paDate')
tPaList = tPa.fetch(limit=20, offset = int(tOffset))
tContext['palist'] = tPaList
return tContext
