259 lines
9.1 KiB
Python
259 lines
9.1 KiB
Python
# coding: utf-8
|
|
|
|
from datetime import date
|
|
|
|
from django import forms
|
|
from django.contrib.auth.decorators import login_required
|
|
from django.conf import settings
|
|
from django.core.cache import cache
|
|
from django.core.paginator import Paginator
|
|
from django.db.models import Q, Case, When
|
|
from django.http import JsonResponse, HttpResponseBadRequest
|
|
from django.shortcuts import render, redirect, get_object_or_404
|
|
|
|
import json
|
|
import logging
|
|
|
|
USE_ELASTICSEARCH = getattr(settings, "USE_ELASTICSEARCH", True)
|
|
|
|
if USE_ELASTICSEARCH:
|
|
from .documents import StageDocument
|
|
|
|
from .decorators import en_scolarite_required
|
|
from .models import Stage
|
|
from .statics import TYPE_LIEU_OPTIONS, TYPE_STAGE_OPTIONS, NIVEAU_SCOL_OPTIONS
|
|
|
|
|
|
logger = logging.getLogger("recherche")
|
|
|
|
# Recherche
|
|
class SearchForm(forms.Form):
|
|
generique = forms.CharField(required=False)
|
|
sujet = forms.CharField(label=u'À propos de', required=False)
|
|
contexte = forms.CharField(label=u'Contexte (lieu, encadrant⋅e⋅s, structure)',
|
|
required=False)
|
|
|
|
apres_annee = forms.IntegerField(label=u'Après cette année', required=False)
|
|
avant_annee = forms.IntegerField(label=u'Avant cette année', required=False)
|
|
|
|
type_stage = forms.ChoiceField(label="Type de stage", choices=([('', u'')]
|
|
+ list(TYPE_STAGE_OPTIONS)),
|
|
required=False)
|
|
niveau_scol = forms.ChoiceField(label="Année d'étude", choices=([('', u'')]
|
|
+ list(NIVEAU_SCOL_OPTIONS)),
|
|
required=False)
|
|
|
|
type_lieu = forms.ChoiceField(label=u"Type de lieu d'accueil",
|
|
choices=([('', u'')]
|
|
+ list(TYPE_LIEU_OPTIONS)),
|
|
required=False)
|
|
tri = forms.ChoiceField(label=u'Tri par',
|
|
choices=[('pertinence', u'Pertinence'),
|
|
('-date_maj',u'Dernière mise à jour')],
|
|
required=False, initial='pertinence')
|
|
|
|
|
|
def cherche(**kwargs):
|
|
filtres = Q(public=True)
|
|
use_dsl = False
|
|
|
|
def field_relevant(field, test_string=True):
|
|
return field in kwargs and \
|
|
kwargs[field] is not None and \
|
|
((not test_string) or kwargs[field].strip() != '')
|
|
|
|
if USE_ELASTICSEARCH:
|
|
dsl = StageDocument.search()
|
|
|
|
#
|
|
# Recherche libre AVEC ELASTICSEARCH
|
|
#
|
|
|
|
# Champ générique : recherche dans tous les champs
|
|
if field_relevant("generique"):
|
|
#print("Filtre generique", kwargs['generique'])
|
|
dsl = dsl.query(
|
|
"multi_match",
|
|
query = kwargs["generique"],
|
|
fuzziness = "auto",
|
|
fields = [
|
|
'sujet^3',
|
|
'encadrants',
|
|
'type_stage',
|
|
'niveau_scol',
|
|
'structure',
|
|
'date_*',
|
|
"lieux.*^2",
|
|
"auteur.nom^2",
|
|
"thematiques^2",
|
|
"matieres"
|
|
])
|
|
use_dsl = True
|
|
|
|
# Sujet -> Recherche dan les noms de sujets et les thématiques
|
|
if field_relevant("sujet"):
|
|
dsl = dsl.query("multi_match",
|
|
query = kwargs["sujet"],
|
|
fields = ['sujet^2', 'thematiques', 'matieres'],
|
|
fuzziness = "auto")
|
|
use_dsl = True
|
|
|
|
# Contexte -> Encadrants, structure, lieu
|
|
if field_relevant("contexte"):
|
|
dsl = dsl.query("multi_match",
|
|
query = kwargs["contexte"],
|
|
fields = ['encadrants', 'structure^2',
|
|
'lieux.nom', 'lieux.pays', 'lieux.ville'],
|
|
fuzziness = "auto")
|
|
use_dsl = True
|
|
|
|
else:
|
|
# Sans ElasticSearch, on active quand même une approximation de
|
|
# recherche en base de données
|
|
if field_relevant("generique"):
|
|
generique = kwargs["generique"]
|
|
filtres = (Q(sujet__icontains=generique)
|
|
| Q(thematiques__name__icontains=generique)
|
|
| Q(matieres__nom__icontains=generique)
|
|
| Q(lieux__nom__icontains=generique))
|
|
|
|
# Autres champs -> non fonctionnels
|
|
if field_relevant("sujet") or field_relevant("contexte"):
|
|
raise NotImplementedError(
|
|
"ElasticSearch doit être activé pour ce type de recherche")
|
|
|
|
#
|
|
# Filtres directs db
|
|
#
|
|
|
|
# Dates
|
|
if field_relevant('avant_annee', False):
|
|
dte = date(kwargs['avant_annee']+1, 1, 1)
|
|
filtres &= Q(date_fin__lt=dte)
|
|
|
|
if field_relevant('apres_annee', False):
|
|
dte = date(kwargs['apres_annee'], 1, 1)
|
|
filtres &= Q(date_debut__gte=dte)
|
|
|
|
# Type de stage
|
|
if field_relevant('type_stage'):
|
|
filtres &= Q(type_stage=kwargs["type_stage"])
|
|
|
|
if field_relevant('niveau_scol'):
|
|
filtres &= Q(niveau_scol=kwargs["niveau_scol"])
|
|
|
|
# Type de lieu
|
|
if field_relevant('type_lieu'):
|
|
filtres &= Q(lieux__type_lieu=kwargs["type_lieu"])
|
|
|
|
|
|
# Application
|
|
resultat = Stage.objects
|
|
if USE_ELASTICSEARCH and use_dsl:
|
|
resultat = dsl.to_queryset(True)
|
|
|
|
#print(filtres)
|
|
resultat = resultat.filter(filtres).distinct()
|
|
tri = 'pertinence'
|
|
|
|
if not use_dsl:
|
|
kwargs['tri'] = '-date_maj'
|
|
|
|
if field_relevant('tri') and kwargs['tri'] in ['-date_maj']:
|
|
tri = kwargs['tri']
|
|
resultat = resultat.order_by(tri)
|
|
|
|
return resultat, tri
|
|
|
|
@login_required
|
|
@en_scolarite_required
|
|
def recherche(request):
|
|
form = SearchForm()
|
|
return render(request, 'avisstage/recherche/recherche.html',
|
|
{"form": form})
|
|
|
|
@login_required
|
|
@en_scolarite_required
|
|
def recherche_resultats(request):
|
|
stages = []
|
|
tri = ''
|
|
vue = 'vue-liste'
|
|
lieux = []
|
|
stageids = []
|
|
if request.method == "GET":
|
|
form = SearchForm(request.GET)
|
|
if form.is_valid():
|
|
page = request.GET.get("page", 1)
|
|
search_args = form.cleaned_data
|
|
|
|
# Gestion du cache
|
|
lsearch_args = {key: val for key, val in search_args.items()
|
|
if val != "" and val is not None}
|
|
cache_key = json.dumps(lsearch_args, sort_keys=True)
|
|
cached = cache.get(cache_key)
|
|
if cached is None:
|
|
# Requête effective
|
|
stages, tri = cherche(**search_args)
|
|
stageids = list(stages.values_list('id', flat=True))
|
|
lieux = [[stageid, lieuid] for (stageid, lieuid)
|
|
in stages.values_list('id', 'lieux')
|
|
if lieuid is not None]
|
|
|
|
# Sauvegarde dans le cache
|
|
to_cache = {"stages": stageids, "lieux": lieux, "tri": tri}
|
|
cache.set(cache_key, to_cache, 600)
|
|
logger.info(cache_key)
|
|
else:
|
|
# Lecture du cache
|
|
stageids = cached["stages"]
|
|
lieux = cached["lieux"]
|
|
tri = cached["tri"]
|
|
logger.info("recherche en cache")
|
|
|
|
# Pagination
|
|
paginator = Paginator(stageids, 25)
|
|
try:
|
|
stageids = paginator.page(page)
|
|
except InvalidPage:
|
|
stageids = []
|
|
|
|
if cached is None:
|
|
stages = stages[max(0, stageids.start_index()-1):
|
|
stageids.end_index()]
|
|
else:
|
|
orderer = Case(*[When(pk=pk, then=pos)
|
|
for pos, pk in enumerate(stageids)])
|
|
stages = Stage.objects.filter(id__in=stageids).order_by(orderer)
|
|
|
|
stages = stages.prefetch_related('lieux', 'auteur',
|
|
'matieres', 'thematiques')
|
|
else:
|
|
form = SearchForm()
|
|
if stages:
|
|
vue = 'vue-hybride'
|
|
|
|
# Version JSON pour recherche dynamique
|
|
if request.GET.get("format") == "json":
|
|
return JsonResponse({"stages": stages, "page": page,
|
|
"num_pages": paginator.num_pages})
|
|
|
|
template_name = 'avisstage/recherche/resultats.html'
|
|
if request.GET.get("format") == "raw":
|
|
template_name = 'avisstage/recherche/stage_items.html'
|
|
return render(request, template_name,
|
|
{"form": form, "stages": stages, "paginator": stageids,
|
|
"tri": tri, "vue": vue, "lieux": lieux,
|
|
"MAPBOX_API_KEY": settings.MAPBOX_API_KEY})
|
|
|
|
@login_required
|
|
@en_scolarite_required
|
|
def stage_items(request):
|
|
try:
|
|
stageids = [int(a) for a in request.GET.get("ids", "").split(';')]
|
|
except ValueError:
|
|
return HttpResponseBadRequest("Paramètre incorrect")
|
|
stages = Stage.objects.filter(id__in=stageids)\
|
|
.prefetch_related('lieux', 'auteur',
|
|
'matieres', 'thematiques')
|
|
return render(request, 'avisstage/recherche/stage_items.html',
|
|
{"stages": stages})
|