326 lines
11 KiB
Python
326 lines
11 KiB
Python
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from datetime import date, timedelta
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from decimal import Decimal
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from django.contrib import admin, messages
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from django.shortcuts import redirect
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from django.urls import reverse
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from django.utils.safestring import mark_safe
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import nested_admin
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from . import models
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class MyAdminSite(admin.AdminSite):
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site_header = "Fournée 2.0"
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index_title = (
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"Une interface de gestion offerte par Django (et un peu de sueur)"
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)
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admin_site = MyAdminSite(name="admin")
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class PainAdmin(admin.ModelAdmin):
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list_display = ["nom", "pâte", "poids", "moulé"]
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list_editable = ["pâte", "poids", "moulé"]
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list_select_related = ["pâte"]
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actions = None
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save_as = True
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admin_site.register(models.Pain, PainAdmin)
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class IngrédientInline(admin.TabularInline):
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model = models.Ingrédient
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sortable_field_name = "ordre"
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extra = 1
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class RecetteAdmin(admin.ModelAdmin):
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inlines = [
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IngrédientInline,
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]
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actions = None
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save_as = True
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admin_site.register(models.Recette, RecetteAdmin)
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class MyDateFieldListFilter(admin.filters.DateFieldListFilter):
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def __init__(self, field, request, params, model, model_admin, field_path):
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super().__init__(field, request, params, model, model_admin, field_path)
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self.links = (
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self.links[0:1]
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+ (
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(
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"Demain",
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{
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self.lookup_kwarg_since: str(
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date.today() + timedelta(days=1)
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),
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self.lookup_kwarg_until: str(
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date.today() + timedelta(days=2)
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),
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},
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),
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)
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+ self.links[1:]
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)
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class RéservationAdmin(admin.ModelAdmin):
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model = models.Réservation
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actions = None
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list_display = ["pour", "date", "pain", "quantité", "fournée"]
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list_display_links = ["fournée"]
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list_filter = [
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("commande__fournée__date", MyDateFieldListFilter),
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"commande__pour",
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"commande__fournée__pour",
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"pain",
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]
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list_editable = ["pain", "quantité"]
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list_select_related = ["commande", "commande__fournée"]
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@admin.display(ordering="commande__pour")
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def pour(self, obj):
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return obj.commande.pour
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@admin.display(ordering="commande__fournée__pour")
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def fournée(self, obj):
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return mark_safe(
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'<a href="{}">{}</a>'.format(
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reverse(
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"admin:core_fournée_change", args=(obj.commande.fournée.pk,)
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),
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obj.commande.fournée.pour,
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)
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)
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@admin.display(ordering="commande__fournée__date")
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def date(self, obj):
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return obj.commande.fournée.date
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admin_site.register(models.Réservation, RéservationAdmin)
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class RéservationInline(nested_admin.NestedTabularInline):
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model = models.Réservation
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extra = 1
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classes = ["collapse"]
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class CommandeInline(nested_admin.NestedStackedInline):
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model = models.Commande
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inlines = [
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RéservationInline,
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]
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extra = 1
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classes = ["collapse"]
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class CouléeInline(
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nested_admin.SortableHiddenMixin, nested_admin.NestedTabularInline
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):
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model = models.Coulée
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extra = 0
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classes = ["collapse"]
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sortable_field_name = "ordre"
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class FournéeAdmin(nested_admin.NestedModelAdmin):
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change_form_template = "admin/fournée_change_form.html"
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inlines = [
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CommandeInline,
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CouléeInline,
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]
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actions = None
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extra = 1
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list_filter = [("date", MyDateFieldListFilter), "commande__fournée__pour"]
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date_hierarchy = "date"
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save_as = True
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save_on_top = True
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def save_related(self, request, form, formsets, change):
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"""Création des coulées manquantes"""
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super().save_related(request, form, formsets, change)
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if change and "_continueandcreatecoulees" in request.POST:
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obj = form.instance
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"""Pour chaque pâte on regarde si les coulées sont complètes.
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Si elles ne le sont pas, on ajoute ce qui manque."""
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for pâte_id, pâte_nom in (
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obj.commande_set.values_list(
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"réservation__pain__pâte", "réservation__pain__pâte__nom"
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)
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.order_by("réservation__pain__pâte")
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.distinct()
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):
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somme_commandée = obj.masse_commandée(pâte_id)
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somme_coulée = sum(
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obj.coulée_set.filter(pâte_id=pâte_id).values_list(
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"quantité", flat=True
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)
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)
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pâte_manquante = somme_commandée - somme_coulée
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if pâte_manquante > 0:
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obj.coulée_set.create(
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pâte_id=pâte_id, quantité=pâte_manquante
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)
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self.message_user(
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request,
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f"Création d'une coulée de {pâte_manquante.normalize()} kg pour la pâte {pâte_nom}.",
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)
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elif pâte_manquante < 0:
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self.message_user(
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request,
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f"Attention la pâte {pâte_nom} est prévue en excès ({-pâte_manquante.normalize()} kg en trop)",
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messages.WARNING,
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)
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def save_model(self, request, obj, form, change):
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"""Décale d'une semaine en cas de save_as si c'est utile"""
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if not change:
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date = form.cleaned_data.get("date", None)
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if obj._meta.model.objects.filter(date=date).exists():
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prochaine_date = date + timedelta(weeks=1)
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if not obj._meta.model.objects.filter(
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date=prochaine_date
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).exists():
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obj.date = date + timedelta(weeks=1)
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super().save_model(request, obj, form, change)
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def response_post_save_change(self, request, obj):
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"""Hack la réponse pour forcer un _continue sans hacker tout
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le fichier nested_admin/nested.py"""
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if "_continueandcreatecoulees" in request.POST:
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return redirect("admin:core_fournée_change", obj.pk)
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else:
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return super().response_change(request, obj)
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def change_view(self, request, object_id, form_url="", extra_context=None):
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extra_context = extra_context or {}
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obj = self.model.objects.get(pk=object_id)
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extra_context["commandes"] = obj.commande_set.all()
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coulées = obj.coulée_set.all()
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ingrédients = sorted(
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set(
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coulées.values_list(
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"pâte__ingrédient__nom", "pâte__ingrédient__ordre"
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)
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),
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key=lambda x: x[1],
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)
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extra_context["ingrédients"] = ingrédients
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""" on créé un tableau coulée / ingrédient """
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extra_context["coulées"] = []
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for c in obj.coulée_set.all():
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tmp = [c]
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for i, _ in ingrédients:
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if c.pâte.ingrédient_set.filter(nom=i).exists():
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tmp.append(
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(c.quantité / c.pâte.poids_de_base * sum(
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c.pâte.ingrédient_set.filter(nom=i).values_list("quantité", flat=True)
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)).quantize(Decimal('1.000')).normalize()
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)
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else:
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tmp.append("")
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masse_coulée = sum(
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obj.coulée_set.filter(pâte=c.pâte).values_list(
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"quantité", flat=True
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)
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)
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masse_commandée = obj.masse_commandée(c.pâte_id)
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if masse_coulée == masse_commandée:
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problems = ""
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elif masse_coulée > masse_commandée:
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problems = f"{(masse_coulée - masse_commandée).normalize()} kg coulés en trop !!"
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elif masse_coulée < masse_commandée:
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problems = f"{(masse_commandée - masse_coulée).normalize()} kg coulés en moins !!"
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extra_context["coulées"].append([problems, tmp])
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pains = set(obj.commande_set.values_list("pains__nom", flat=True))
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totaux = []
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for i, _ in ingrédients:
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total = sum([
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qté * qté_unit / unit
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for qté, qté_unit, unit in
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obj.coulée_set.filter(pâte__ingrédient__nom=i)
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.values_list('quantité', 'pâte__ingrédient__quantité', 'pâte__poids_de_base')
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]).quantize(Decimal('1.000')).normalize()
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totaux.append(total)
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extra_context["totaux_coulées"] = totaux
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""" liste des pains, vérifiant s'ils sont coulés """
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extra_context["pains"] = [
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(not obj.coulée_set.filter(pâte__pain__nom=p).exists(), p)
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for p in pains
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]
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""" on créé un tableau pains / commande """
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extra_context["divisions"] = []
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for c in obj.commande_set.all():
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tmp = [c.pour]
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for p in pains:
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if c.réservation_set.filter(pain__nom=p).exists():
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tmp.append(
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sum(
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c.réservation_set.filter(pain__nom=p).values_list(
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"quantité", flat=True
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)
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).normalize()
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)
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else:
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tmp.append("")
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extra_context["divisions"].append(tmp)
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totaux = []
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for p in pains:
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total = sum(
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obj.commande_set.filter(pains__nom=p).values_list(
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"réservation__quantité", flat=True
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)
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).normalize()
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totaux.append(total)
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extra_context["totaux_divisions"] = totaux
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return super().change_view(
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request,
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object_id,
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form_url,
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extra_context=extra_context,
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)
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admin_site.register(models.Fournée, FournéeAdmin)
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class CouléeAdmin(admin.ModelAdmin):
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model = models.Coulée
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actions = None
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list_display = ["pâte", "quantité", "date", "fournée_pour"]
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list_display_links = ["fournée_pour"]
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list_filter = [("fournée__date", MyDateFieldListFilter), "pâte"]
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list_editable = ["pâte", "quantité"]
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list_select_related = ["fournée"]
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@admin.display(ordering="fournée__pour")
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def fournée_pour(self, obj):
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return mark_safe(
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'<a href="{}">{}</a>'.format(
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reverse("admin:core_fournée_change", args=(obj.fournée.pk,)),
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obj.fournée.pour,
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)
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)
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@admin.display(ordering="fournée__date")
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def date(self, obj):
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return obj.fournée.date
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admin_site.register(models.Coulée, CouléeAdmin)
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