gistfile1.py

from django.conf import settings
from django.contrib import messages
from django.core.urlresolvers import reverse
from django.db.models import F
from django.http import HttpResponseRedirect
from django.shortcuts import render_to_response
from django.template import RequestContext
from django.utils import timezone
from django.utils.translation import ugettext as _
from django.views.generic import FormView

import twitter

from search.forms import SearchForm
from search.models import SearchTerm


class SearchView(FormView):
    """
    Class that fetches and displays search results
    """
    template_name = 'search.html'
    form_class = SearchForm

    def form_valid(self, form):
        """
        Increments the count of the search phrase if it has been made before,
        retrieves the latest results using the Twitter API and displays them
        """
        search_phrase = form.cleaned_data['search_phrase']
        try:
            existing_search_term = SearchTerm.objects.get(phrase=search_phrase)
        except SearchTerm.DoesNotExist:
            # create a new search term
            new_search_term = SearchTerm(phrase=search_phrase,
                                         repeat_count=1,
                                         last_searched_date=timezone.now())
            new_search_term.save()
        else:
            # update the existing search term
            SearchTerm.objects.filter(phrase=search_phrase).update(
                repeat_count=F('repeat_count') + 1,
                last_searched_date=timezone.now())

        # get the search results for the phrase
        search_results = self.twitter_search(search_phrase)
        context = RequestContext(self.request,
                                 {'form': form,
                                  'search_phrase': search_phrase,
                                  'search_results': search_results})

        # return search results to the template
        return render_to_response('search.html', context)

    def twitter_search(self, phrase):
        """
        Searches Twitter for a phrase and returns the search results
        """
        consumer_key = settings.TWITTER_CONSUMER_KEY
        consumer_secret = settings.TWITTER_CONSUMER_SECRET
        oauth_token = settings.TWITTER_OAUTH_TOKEN
        oauth_token_secret = settings.TWITTER_OAUTH_TOKEN_SECRET
        api = twitter.Api(consumer_key, consumer_secret, oauth_token,
                          oauth_token_secret)
        return api.GetSearch(phrase)