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# -*- coding: utf-8 -*-
import json
from django.http import HttpResponse, HttpResponseNotFound
from django.views.generic.list_detail import object_detail
from django.shortcuts import render, get_object_or_404
from django.contrib.auth.decorators import login_required
from .models import SciBlog, ResultContent
from .forms import SciBlogSearchForm, ProperNounSearchForm
from info.forms import QuerySearchForm
import itertools
def blog_detail(request, blogid, block):
u'''
/blog/1/
一个简单的显式blog详细内容的view函数
'''
block = block or "source"
template = 'sciblog/blog_detail_%s.html' % block
blog = get_object_or_404(SciBlog, id=blogid)
blockid = block
# 用户已经收藏？
collected = request.user.is_authenticated() and blog.collected_by.filter(id=request.user.id)
# 用户已经懂了？
understood = request.user.is_authenticated() and blog.catched_by.filter(id=request.user.id)
# 与该文章相关的段落注释和专业名词
annotations = blog.annotations.all_json(user=request.user)
return render(request, template, locals())
def blog_index(request):
"""
Temporary handler for index page render
You might want to rename/relocate this
"""
return render(request,"sciblog/index.html",locals())
def generator_has_content(generator):
'''
Returns (has_content, generator) based on the input generator
If generator has at least one item, has_content is True.
Otherwise, has_content is False.
generator will return all items in the input generator
'''
#Simplified logic using itertools
checkgen, outputgen = itertools.tee(generator, 2)
has_content = False
for item in checkgen:
has_content = True
break
return (has_content, outputgen)
def objects_of_sqs(sqs):
u'''
返回search squery set结果对应的model object
'''
return itertools.imap(lambda x: x.object, sqs)
def limit(resultSet, count = 10):
return itertools.islice(resultSet, count)
def query(request):
u'''
Blog查询
'''
tab = 'list'
search_history = request.session.get('search_history', '').split('&&&')
if request.method == 'GET':
form = SciBlogSearchForm(request.GET)
elif request.method == 'POST':
form = SciBlogSearchForm(request.POST)
if form.is_valid() and form.cleaned_data['q']:
q = form.cleaned_data['q']
search_history = [s for s in search_history if s != q]
search_history.insert(0, q)
search_history = search_history[0:5] #只保存最新的五条搜索记录
request.session['search_history'] = '&&&'.join(search_history)
results = form.search()
(has_blogs, blogs) = generator_has_content(limit(objects_of_sqs(results),10))
questuinsqs = QuerySearchForm(request.GET).search()
(has_relate_questions, questions) = generator_has_content(limit(objects_of_sqs(questuinsqs),8))
ppnounsqs = ProperNounSearchForm(request.GET).search()
(hasppnouns, ppnouns) = generator_has_content(limit(objects_of_sqs(ppnounsqs),10))
return render(request, 'sciblog/blog_list.html', locals())
else:
(has_blogs, blogs) = generator_has_content(limit(SciBlog.objects.all(),10))
return render(request, 'sciblog/blog_list.html', locals())
@login_required
def blog_collection(request):
blogs = request.user.blog_collection.all()
tab = 'collection'
has_blogs = len(blogs) > 0
ppnouns = request.user.annotation_collection.all()
has_ppnouns = request.user.annotation_collection.count() > 0
return render(request, 'sciblog/blog_list.html', locals())
@login_required
def add_user_to_m2m(request, objid, m2m ='collected_by', model = SciBlog):
u'''
响应收藏按钮和'懂了'按钮的点击
'''
result = {"error":False, 'added':True}
result['id'] = objid
result['model'] = model._meta.verbose_name_plural
user = request.user
try:
obj = model.objects.get(id=objid)
m2m = getattr(obj, m2m)
if not m2m.filter(id = user.id):
# 还没有收藏或点击懂了
m2m.add(user)
else:
# 已经收藏或点击了懂了
m2m.remove(user)
result['added'] = False
result['times'] = m2m.count()
except:
result['error'] = True
result['added'] = False
return HttpResponse(json.dumps(result),
mimetype = 'application/json')
def show_result(request, resultid):
result = get_object_or_404(ResultContent, id=resultid)
blog = result.blog
return render(request, 'sciblog/blog_detail_results-detail.html', locals())
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