class RecommendGoodsHandler(object):
def __init__(self):
self.goods_handler = GoodsHandler()
self.common_handler = CommonHandler()
def get_recommend_by_id(self, goods_id):
goods_style = Goods.objects.get(id=goods_id).style
style_list = self.get_style_list(goods_style)
score_dict = self.get_score_dict(style_list, goods_id)
score_list = self.get_score_list(score_dict)
recommend_list = self.get_recommend_list(score_list)
return recommend_list
def get_style_list(self, goods_style):
goods_style = self.common_handler.utf_to_unicode(goods_style)
style_list = goods_style.split(',')
return style_list
def get_score_dict(self, style_list, goods_id):
score_dict = {}
for style in style_list:
self.get_score_by_style(style, score_dict, goods_id)
return score_dict
def get_score_by_style(self, style, score_dict, goods_id):
all_goods = Goods.objects.all().exclude(id=goods_id)
for goods in all_goods:
goods_style = goods.style.replace('u\'', '\'')
goods_style.decode('unicode-escape')
if goods_style.find(style) >= 0:
self.add_dict_value(score_dict, goods.id)
elif not score_dict.has_key(goods_id):
score_dict[goods_id] = 0
def add_dict_value(self, score_dict, goods_id):
if score_dict.has_key(goods_id):
score_dict[goods_id] += 1
else:
score_dict[goods_id] = 1
def get_score_list(self, score_dict):
score_list = []
for key in score_dict:
temp = (score_dict[key], key)
score_list.append(temp)
return score_list
def get_recommend_list(self, score_list):
recommend_number = 4
recommend_list = heapq.nlargest(recommend_number, score_list)
goods_id_list = []
for recommend_id in recommend_list:
goods_id_list.append(recommend_id[1])
return goods_id_list
class RecommendGoodsHandler(object):
def __init__(self):
self.goods_handler = GoodsHandler()
self.common_handler = CommonHandler()
def get_recommend_by_id(self,goods_id):
goods_style = Goods.objects.get(id=goods_id).style
style_list = self.get_style_list(goods_style)
score_dict = self.get_score_dict(style_list, goods_id)
score_list = self.get_score_list(score_dict)
recommend_list = self.get_recommend_list(score_list)
return recommend_list
def get_style_list(self,goods_style):
goods_style = self.common_handler.utf_to_unicode(goods_style)
style_list = goods_style.split(',')
return style_list
def get_score_dict(self,style_list, goods_id):
score_dict = {}
for style in style_list:
self.get_score_by_style(style,score_dict, goods_id)
return score_dict
def get_score_by_style(self, style, score_dict, goods_id):
all_goods = Goods.objects.all().exclude(id=goods_id)
for goods in all_goods:
goods_style = goods.style.replace('u\'','\'')
goods_style.decode('unicode-escape')
if goods_style.find(style) >= 0:
self.add_dict_value(score_dict, goods.id)
elif not score_dict.has_key(goods_id):
score_dict[goods_id] = 0
def add_dict_value(self, score_dict, goods_id):
if score_dict.has_key(goods_id):
score_dict[goods_id] += 1
else:
score_dict[goods_id] = 1
def get_score_list(self,score_dict):
score_list = []
for key in score_dict:
temp = (score_dict[key],key)
score_list.append(temp)
return score_list
def get_recommend_list(self,score_list):
recommend_number = 4
recommend_list = heapq.nlargest(recommend_number, score_list)
goods_id_list = []
for recommend_id in recommend_list:
goods_id_list.append(recommend_id[1])
return goods_id_list
class GoodsHandler(object):
def __init__(self):
self.common_handler = CommonHandler()
def get_goods_by_id(self, goods_id):
try:
goods = Goods.objects.get(id=goods_id)
except ObjectDoesNotExist:
goods = None
return goods
def get_all_goods_by_style(self, style):
goods_style = self.common_handler.utf_to_unicode(style)
all_goods_list = Goods.objects.all()
goods_list = self.get_match_list(all_goods_list, goods_style)
return goods_list
def get_goods_by_style(self, goods_list, goods_style):
goods_style = self.common_handler.utf_to_unicode(goods_style)
style_goods_list = self.get_match_list(goods_list, goods_style)
return style_goods_list
def get_match_list(self, goods_list, style):
match_list = []
for goods in goods_list:
goods_style = goods.style.replace('u\'', '\'')
goods_style.decode("unicode-escape")
if goods_style.find(style) >= 0:
match_list.append(goods)
return match_list
def get_all_goods_by_tags(self, goods_tags):
goods_tags = self.common_handler.utf_to_unicode(goods_tags)
goods_list = Goods.objects.filter(tags=goods_tags)
return goods_list
def get_goods_by_tags(self, goods_list, goods_tags):
goods_tags = self.common_handler.utf_to_unicode(goods_tags)
tags_goods_list = goods_list.filter(tags=goods_tags)
return tags_goods_list
def get_goods_by_designer(self, designer_id):
goods_list = Goods.objects.filter(designer_id=designer_id)
return goods_list
def set_collected_count(self, goods, count):
goods.collected_count += count
goods.save()
def get_other_goods(self, designer_id, goods_id):
goods_list = Goods.objects.filter(designer_id=designer_id).exclude(
id=goods_id)
return goods_list
def sort_by_download(self, goods_list, order=True):
return_list = sorted(goods_list,
key=attrgetter('download_count'),
reverse=order)
return return_list
def sort_by_collect(self, goods_list, order=True):
return_list = sorted(goods_list,
key=attrgetter('collected_count'),
reverse=order)
return return_list
def sort_by_time(self, goods_list, order=True):
return_list = sorted(goods_list,
key=attrgetter('approval_time'),
reverse=order)
return return_list
def comprehension_sort(self, goods_list):
return_list = sorted(goods_list,
key=attrgetter('download_count',
'collected_count',
'approval_time'))
return return_list
class GoodsHandler(object):
def __init__(self):
self.common_handler = CommonHandler()
def get_goods_by_id(self,goods_id):
try:
goods = Goods.objects.get(id = goods_id)
except ObjectDoesNotExist:
goods = None
return goods
def get_all_goods_by_style(self,style):
goods_style = self.common_handler.utf_to_unicode(style)
all_goods_list = Goods.objects.all()
goods_list = self.get_match_list(all_goods_list,goods_style)
return goods_list
def get_goods_by_style(self,goods_list,goods_style):
goods_style = self.common_handler.utf_to_unicode(goods_style)
style_goods_list = self.get_match_list(goods_list,goods_style)
return style_goods_list
def get_match_list(self,goods_list,style):
match_list = []
for goods in goods_list:
goods_style = goods.style.replace('u\'','\'')
goods_style.decode("unicode-escape")
if goods_style.find(style) >= 0:
match_list.append(goods)
return match_list
def get_all_goods_by_tags(self,goods_tags):
goods_tags = self.common_handler.utf_to_unicode(goods_tags)
goods_list = Goods.objects.filter(tags = goods_tags)
return goods_list
def get_goods_by_tags(self, goods_list, goods_tags):
goods_tags = self.common_handler.utf_to_unicode(goods_tags)
tags_goods_list = goods_list.filter(tags=goods_tags)
return tags_goods_list
def get_goods_by_designer(self,designer_id):
goods_list = Goods.objects.filter(designer_id = designer_id)
return goods_list
def set_collected_count(self,goods,count):
goods.collected_count += count
goods.save()
def get_other_goods(self, designer_id, goods_id):
goods_list = Goods.objects.filter(designer_id=designer_id).exclude(id=goods_id)
return goods_list
def sort_by_download(self, goods_list, order=True):
return_list = sorted(goods_list, key=attrgetter('download_count'), reverse=order)
return return_list
def sort_by_collect(self, goods_list, order=True):
return_list = sorted(goods_list, key=attrgetter('collected_count'), reverse=order)
return return_list
def sort_by_time(self, goods_list, order=True):
return_list = sorted(goods_list, key=attrgetter('approval_time'), reverse=order)
return return_list
def comprehension_sort(self, goods_list):
return_list = sorted(goods_list, key=attrgetter('download_count', 'collected_count', 'approval_time'))
return return_list