def feeds_filter_by_user_topic(request):
"""
Filter the feeds in three days from topics and users
topics, users and groups are all list of string
Args:
#. topics
#. users
#. groups
#. type?
"""
topics = []
users = []
groups = []
page_type = ''
try:
topics = request.POST.getlist('topics[]')
users = request.POST.getlist('users[]')
groups = request.POST.getlist('groups[]')
page_type = request.POST['page_type']
except:
return HttpResponse('{"code":"1","msg":"参数错误！"}')
#Add users in UserGroup to users list
users_set = set(users)
for g in groups:
u_ms = UserGroup_Membership.objects.filter(group__pk=int(g))
for u_m in u_ms:
users_set.add(str(u_m.user_id))
users = list(users_set)
# Avoid empty input
if not topics and not users:
#TODO: it's better to redirect to profile page or home page
return HttpResponse('{"code":"1", "msg":"未指定筛选条件！"}')
feeds_10, top_70_item_list = feeds_of_feedgroup(topics, users, request.user.pk)
feeds_origin = []
if feeds_10:
local_feeds = feeds_10
feeds_query_str = ''
for local_feed in local_feeds:
feeds_query_str += str(local_feed.id) + ','
# get all topics and recommenders once
topics_of_item = get_topics_of_item(feeds_query_str[0:-1], request.user.pk)
recommenders_of_item = get_friends_of_item(feeds_query_str[0:-1], request.user.pk)
user_item_status_dict = get_user_items(feeds_query_str[0:-1], request.user.pk)
feeds_origin = json.loads(serializers.serialize('json', local_feeds, ensure_ascii=False, fields=('name', 'url', 'share_count', 'snippet')))
for f in range(len(feeds_origin)):
feeds_origin[f]['fields']['share_count'] = prettify_count(feeds_origin[f]['fields']['share_count'])
if topics_of_item.has_key(feeds_origin[f]['pk']):
feeds_origin[f]['fields']['topics'] = topics_of_item[feeds_origin[f]['pk']]
else:
feeds_origin[f]['fields']['topics'] = []
if recommenders_of_item.has_key(feeds_origin[f]['pk']):
feeds_origin[f]['fields']['users'] = recommenders_of_item[feeds_origin[f]['pk']]
else:
feeds_origin[f]['fields']['users'] = []
if user_item_status_dict.has_key(feeds_origin[f]['pk']):
feeds_origin[f]['fields']['user_item_status_dict'] = user_item_status_dict[feeds_origin[f]['pk']]
else:
feeds_origin[f]['fields']['user_item_status_dict'] = [0, 0, 0]
return_value = {}
return_value['code'] = '0'
return_value['msg'] = 'success'
return_value['json'] = {}
return_value['json']['feeds'] = feeds_origin
if top_70_item_list:
return_value['json']['feeds_hidden'] = top_70_item_list
return HttpResponse(json.dumps(return_value, ensure_ascii=False))
def influence_gen_image(str_inf_pk, friends_images):
inf_pk = int(str_inf_pk)
inf = Influence.objects.get(pk=inf_pk)
im = Image.new("RGBA",(400,400),(255,255,255))
bg = Image.open(settings.STATIC_ROOT + 'images/apps/influence-bg.jpg')
im.paste(bg, (0,0,400,400))
draw = ImageDraw.Draw(im)
#Draw the score
score_font = ImageFont.truetype(MSYHBD,35)
score_xy = (300,55) if inf.influence_score > 9 else (312,55)
draw.text(score_xy, unicode(inf.influence_score), font=score_font, fill=(255,255,255))
#Paste the profile images
profile_image_addr = gen_temp_file(inf.profile_image_url)
profile_image = Image.open(profile_image_addr)
profile_image = profile_image.resize((57,57), Image.ANTIALIAS)
im.paste(profile_image, (90,160,147,217))
#im.paste(profile_image, (92,170,142,220)) #Original size
os.remove(profile_image_addr)
#Paste images for influenced friends
friends_xy = [89,252]
forloop = 0
tip_font = ImageFont.truetype(MSYH,13)
if len(friends_images) == 0:
draw.text((145,262), u'暂时没有好友受我影响:(', font=tip_font, fill=(0,0,0))
else:
for image in friends_images:
friend_image_addr = gen_temp_file(image)
friend_image = Image.open(friend_image_addr)
friend_image = friend_image.resize((31,31), Image.ANTIALIAS)
im.paste(friend_image, tuple(friends_xy))
friends_xy[0] += 46
os.remove(friend_image_addr)
forloop += 1
draw.text((friends_xy[0]+4,262), u'深受我影响:)', font=tip_font, fill=(0,0,0))
#Fill in the number of fans and active fans
followers_str = prettify_count(inf.follower_count)
active_followers_str = prettify_count(inf.active_follower_count)
follower_font = ImageFont.truetype(MSYH,14)
draw.text((17,271), followers_str, font=follower_font, fill=(255,255,255))
draw.text((47,245), active_followers_str, font=follower_font, fill=(255,255,255))
#Fill in the name of user
name_font = ImageFont.truetype(MSYH,16)
draw.text((160,160), unicode(inf.screen_name), font=name_font, fill=(0,0,0))
#Fill in status_count and influenced people
status_font = ImageFont.truetype(MSYH,12)
draw.text((300,173), unicode(inf.status_count), font=status_font, fill=(255,128,0))
influence_str = prettify_count(inf.influence_count)
draw.text((300,200), influence_str, font=status_font, fill=(255,122,50))
#Fill in the 'energy bar' for status count and influenced people
bar = Image.open(settings.STATIC_ROOT + 'images/apps/green-bar.gif')
status_bar_score = int(math.ceil(math.sqrt(inf.status_count*1.0/3000)*100))
influence_bar_score = inf.influence_score
for i in range(status_bar_score):
im.paste(bar,(229+i,188))
for i in range(influence_bar_score):
im.paste(bar,(229+i,215))
del draw
image_name = 'apps/influence/' + generate_random_file_name() + '.jpg'
print image_name
inf.result_image = image_name
inf.save()
im.save(settings.MEDIA_ROOT + image_name, "JPEG")
def more_items(request):
try:
page_type = request.GET['page_type']
items_to_fetch = request.GET.getlist('items_to_fetch[]')
except:
return HttpResponse('{"code":"1", "msg":"参数错误！"}')
authorized = request.user.is_authenticated()
if authorized:
user_id = request.user.pk
else:
user_id = 1
feeds_query_str = ''
for local_feed in items_to_fetch:
feeds_query_str += local_feed + ','
feeds_query_str = feeds_query_str[0:-1]
# get all topics and recommenders once
topics_of_item = get_topics_of_item(feeds_query_str, user_id)
if authorized:
recommenders_of_item = get_friends_of_item(feeds_query_str, user_id)
if page_type == 'index': #Do not show items that user has shared/favourites
user_item_status_dict = {}
else:
user_item_status_dict = get_user_items(feeds_query_str, user_id)
items = Item.objects.filter(pk__in=items_to_fetch)
if page_type == 'index':
feeds_id_10 = ','.join([str(i.id) for i in items])
ui_list = get_user_item_list(feeds_id_10, request.user.pk)
item_to_del_dict = {}
for ui in ui_list:
item_to_del_dict[ui[2]] = 1
items = [i for i in items if i.id not in item_to_del_dict]
feeds_origin = json.loads(serializers.serialize('json', items, ensure_ascii=False, fields=('name', 'url', 'image', 'share_count', 'sina_count', 'snippet', 'type', 'thumb', 'video_url')))
#TODO: Also, reuturn feeds, topics and users separately
for f in range(len(feeds_origin)):
if feeds_origin[f]['fields']['type'] != 1:
feeds_origin[f]['fields'].pop('thumb')
feeds_origin[f]['fields'].pop('video_url')
feeds_origin[f]['fields']['share_count'] = prettify_count(feeds_origin[f]['fields']['share_count']+feeds_origin[f]['fields']['sina_count'])
if topics_of_item.has_key(feeds_origin[f]['pk']):
feeds_origin[f]['fields']['topics'] = topics_of_item[feeds_origin[f]['pk']]
else:
feeds_origin[f]['fields']['topics'] = []
if authorized:
if feeds_origin[f]['pk'] in recommenders_of_item:
feeds_origin[f]['fields']['users'] = recommenders_of_item[feeds_origin[f]['pk']]
else:
feeds_origin[f]['fields']['users'] = []
if feeds_origin[f]['pk'] in user_item_status_dict:
feeds_origin[f]['fields']['user_item_status_dict'] = user_item_status_dict[feeds_origin[f]['pk']]
else:
feeds_origin[f]['fields']['user_item_status_dict'] = [0, 0, 0]
return_value = {}
return_value['code'] = '0'
return_value['msg'] = 'success'
return_value['json'] = {}
return_value['json']['feeds'] = feeds_origin
return HttpResponse(json.dumps(return_value, ensure_ascii=False))
