mise-en-production

[auf_framonde.git] / project / views.py

import re
from project.framonde.models import *
from django.shortcuts import render_to_response
from django.template import Context, RequestContext
from django.db.models import Q
from itertools import chain

def normalize_query(query_string,
                    findterms=re.compile(r'"([^"]+)"|(\S+)').findall,
                    normspace=re.compile(r'\s{2,}').sub):
    return [normspace(' ', (t[0] or t[1]).strip()) for t in findterms(query_string)] 

def get_query(query_string, search_fields):
    query = None # Query to search for every search term        
    terms = normalize_query(query_string)
    for term in terms:
        or_query = None # Query to search for a given term in each field
        for field_name in search_fields:
            q = Q(**{"%s__icontains" % field_name: term})
            if or_query is None:
                or_query = q
            else:
                or_query = or_query | q
        if query is None:
            query = or_query
        else:
            query = query & or_query
    return query
    
def search(request):
    query_string = ''
    found_entries = None
    if ('q' in request.GET) and request.GET['q'].strip():
        query_string = request.GET['q']
        
        entry_query = get_query(query_string, ['titre', 'sous_titre', 'lieu', 'texte'])
        chercheC = Communication.objects.filter(entry_query).order_by('-date_pub')
        chercheCo = Contribution.objects.filter(entry_query).order_by('-date_pub')
        chercheO = Offre.objects.filter(entry_query).order_by('-date_pub')
        found_entries = chain(chercheC, chercheCo, chercheO)

    return render_to_response('search.html',
                          { 'query_string': query_string, 'found_entries': found_entries },
                          context_instance=RequestContext(request))