132 lines
4.3 KiB
Python
132 lines
4.3 KiB
Python
# coding: utf-8
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from tastypie.resources import ModelResource
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from tastypie.authentication import SessionAuthentication
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from tastypie import fields, utils
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from django.contrib.gis import geos
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from django.urls import reverse
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from .models import Lieu, Stage, Normalien, StageMatiere
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from .utils import approximate_distance
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class EnScolariteAuthentication(SessionAuthentication):
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def is_authenticated(self, request, **kwargs):
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if super().is_authenticated(request, **kwargs):
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return request.user.profil.en_scolarite
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return False
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# API principale pour les lieux
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class LieuResource(ModelResource):
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# stages = fields.ToManyField("avisstage.api.StageResource",
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# "stages", use_in="detail", full=True)
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class Meta:
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queryset = Lieu.objects.all()
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resource_name = "lieu"
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fields = ["nom", "ville", "pays", "coord", "type_lieu", "id"]
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# login_required
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authentication = SessionAuthentication()
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# Filtres personnalisés
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def build_filters(self, filters=None, **kwargs):
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if filters is None:
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filters = {}
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orm_filters = super(LieuResource, self).build_filters(filters, **kwargs)
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# Trouver les lieux à proximités d'un point donné
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if "lng" in filters and "lat" in filters:
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lat = float(filters["lat"])
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lng = float(filters["lng"])
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pt = geos.Point((lng, lat), srid=4326)
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self.reference_point = pt
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orm_filters["coord__distance_lte"] = (pt, 10000)
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# Filtrer les lieux qui ont déjà des stages
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if "has_stage" in filters:
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orm_filters["stages__public"] = True
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return orm_filters
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# Custom apply filters pour ajouter le "distinct"
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def apply_filters(self, request, applicable_filters):
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return self.get_object_list(request).filter(**applicable_filters).distinct()
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# Ajout d'informations
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def dehydrate(self, bundle):
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bundle = super(LieuResource, self).dehydrate(bundle)
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obj = bundle.obj
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bundle.data["coord"] = {"lat": float(obj.coord.y), "lng": float(obj.coord.x)}
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# Distance au point recherché
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if "lat" in bundle.request.GET and "lng" in bundle.request.GET:
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bundle.data["distance"] = approximate_distance(
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self.reference_point, bundle.obj.coord
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)
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# Autres infos utiles
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bundle.data["pays_nom"] = obj.get_pays_display()
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bundle.data["type_lieu_nom"] = obj.type_lieu_fancy
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# TODO use annotate?
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bundle.data["num_stages"] = obj.stages.filter(public=True).count()
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return bundle
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# API sur un stage
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class StageResource(ModelResource):
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class Meta:
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queryset = Stage.objects.filter(public=True)
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resource_name = "stage"
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fields = ["sujet", "date_debut", "date_fin", "matieres", "id"]
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# login_required
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authentication = EnScolariteAuthentication()
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# Filtres personnalisés
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def build_filters(self, filters=None, **kwargs):
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if filters is None:
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filters = {}
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orm_filters = super(StageResource, self).build_filters(filters, **kwargs)
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# Récupération des stages à un lieu donné
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if "lieux" in filters:
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flieux = map(int, filters["lieux"].split(","))
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orm_filters["lieux__id__in"] = flieux
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return orm_filters
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# Informations à ajouter
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def dehydrate(self, bundle):
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bundle = super(StageResource, self).dehydrate(bundle)
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obj = bundle.obj
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# Affichage des manytomany en condensé
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bundle.data["auteur"] = obj.auteur.nom
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bundle.data["thematiques"] = list(
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obj.thematiques.all().values_list("name", flat=True)
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)
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bundle.data["matieres"] = list(obj.matieres.all().values_list("nom", flat=True))
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# Adresse de la fiche de stage
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bundle.data["url"] = reverse("avisstage:stage", kwargs={"pk": obj.id})
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return bundle
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# Auteurs des fiches (TODO supprimer ?)
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class AuteurResource(ModelResource):
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stages = fields.ToManyField(
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"avisstage.api.StageResource", "stages", use_in="detail"
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)
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class Meta:
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queryset = Normalien.objects.all()
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resource_name = "profil"
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fields = ["id", "nom", "stages"]
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# login_required
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authentication = EnScolariteAuthentication()
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