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126 lines
4.5 KiB
Python
Executable file
126 lines
4.5 KiB
Python
Executable file
"""
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This is a very simple news application, with most of the expected features
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like:
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* News categories/topics
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* Searchable archives
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"""
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from django.shortcuts import render_to_response, get_object_or_404
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from django.template import RequestContext
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import django.views.generic.list_detail as gv_list_detail
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from django.http import HttpResponseRedirect
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from django.contrib.auth.models import User
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from django import forms
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from django.db.models import Q
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from game.web.apps.news.models import NewsTopic, NewsEntry
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# The sidebar text to be included as a variable on each page. There's got to
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# be a better, cleaner way to include this on every page.
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sidebar = """
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<p class='doNotDisplay doNotPrint'>This page’s menu:</p>
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<ul id='side-bar'>
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<li><a href='/news/archive'>News Archive</a></li>
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<li><a href='/news/search'>Search News</a></li>
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</ul>
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"""
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class SearchForm(forms.Form):
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"""
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Class to represent a news search form under Django's newforms. This is used
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to validate the input on the search_form view, as well as the search_results
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view when we're picking the query out of GET. This makes searching safe
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via the search form or by directly inputing values via GET key pairs.
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"""
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search_terms = forms.CharField(max_length=100, min_length=3, required=True)
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def show_news(request, entry_id):
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"""
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Show an individual news entry. Display some basic information along with
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the title and content.
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"""
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news_entry = get_object_or_404(NewsEntry, id=entry_id)
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pagevars = {
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"page_title": "News Entry",
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"news_entry": news_entry,
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"sidebar": sidebar
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}
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context_instance = RequestContext(request)
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return render_to_response('news/show_entry.html', pagevars, context_instance)
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def news_archive(request):
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"""
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Shows an archive of news entries.
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TODO: Expand this a bit to allow filtering by month/year.
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"""
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news_entries = NewsEntry.objects.all().order_by('-date_posted')
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# TODO: Move this to either settings.py or the SQL configuration.
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entries_per_page = 15
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pagevars = {
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"page_title": "News Archive",
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"browse_url": "/news/archive",
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"sidebar": sidebar
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}
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return gv_list_detail.object_list(request, news_entries, template_name='news/archive.html', extra_context=pagevars, paginate_by=entries_per_page)
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def search_form(request):
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"""
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Render the news search form. Don't handle much validation at all. If the
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user enters a search term that meets the minimum, send them on their way
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to the results page.
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"""
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if request.method == 'GET':
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# A GET request was sent to the search page, load the value and
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# validate it.
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search_form = SearchForm(request.GET)
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if search_form.is_valid():
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# If the input is good, send them to the results page with the
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# query attached in GET variables.
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return HttpResponseRedirect('/news/search/results/?search_terms='+ search_form.cleaned_data['search_terms'])
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else:
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# Brand new search, nothing has been sent just yet.
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search_form = SearchForm()
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pagevars = {
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"page_title": "Search News",
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"search_form": search_form,
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"debug": debug,
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"sidebar": sidebar
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}
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context_instance = RequestContext(request)
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return render_to_response('news/search_form.html', pagevars, context_instance)
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def search_results(request):
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"""
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Shows an archive of news entries. Use the generic news browsing template.
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"""
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# TODO: Move this to either settings.py or the SQL configuration.
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entries_per_page = 15
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# Load the form values from GET to validate against.
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search_form = SearchForm(request.GET)
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# You have to call is_valid() or cleaned_data won't be populated.
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valid_search = search_form.is_valid()
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# This is the safe data that we can pass to queries without huge worry of
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# badStuff(tm).
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cleaned_get = search_form.cleaned_data
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# Perform searches that match the title and contents.
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# TODO: Allow the user to specify what to match against and in what
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# topics/categories.
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news_entries = NewsEntry.objects.filter(Q(title__contains=cleaned_get['search_terms']) | Q(body__contains=cleaned_get['search_terms']))
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pagevars = {
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"page_title": "Search Results",
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"searchtext": cleaned_get['search_terms'],
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"browse_url": "/news/search/results",
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"sidebar": sidebar
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}
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return gv_list_detail.object_list(request, news_entries, template_name='news/archive.html', extra_context=pagevars, paginate_by=entries_per_page)
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