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- #!/usr/bin/env python
- # -*- coding: utf-8 -*-
- # **************************************************************************
- # Copyright © 2017 jianglin
- # File Name: utils.py
- # Author: jianglin
- # Email: xiyang0807@gmail.com
- # Created: 2017-03-29 13:33:03 (CST)
- # Last Update:星期三 2017-3-29 13:43:40 (CST)
- # By:
- # Description:
- # **************************************************************************
- from datetime import datetime, timedelta
- one_day = datetime.now() + timedelta(days=-1)
- one_month = datetime.now() + timedelta(days=-30)
- one_year = datetime.now() + timedelta(years=-1)
- def gen_topic_filter(query_dict=dict(), keys=[], equal_key=[], user=None):
- filter_dict = {}
- keys = list(set(keys) & set(query_dict.keys()))
- for k in keys:
- if k in equal_key:
- filter_dict.update(**{k: query_dict[k]})
- else:
- new_k = '%s__contains' % k
- filter_dict.update(**{new_k: query_dict[k]})
- if user is not None and user.is_authenticated:
- filter_dict.update(user__id=user.id)
- within = query_dict.pop('within', None)
- if within is not None:
- if within == 1:
- filter_dict.update(created_at__gte=one_day)
- elif within == 2:
- filter_dict.update(created_at__gte=one_month)
- elif within == 3:
- filter_dict.update(created_at__gte=one_year)
- return filter_dict
- def gen_topic_orderby(query_dict=dict(), keys=[], date_key=True):
- keys.append('id')
- if date_key:
- keys += ['created_at', 'updated_at']
- order_by = ['id']
- descent = query_dict.pop('orderby', None)
- if descent is not None:
- descent = descent.split(',')
- descent = list(set(keys) & set(descent))
- order_by = ['-%s' % i for i in descent]
- return tuple(order_by)
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