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https://github.com/nanoy42/coope
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Implement price computing
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parent
94715e4f99
commit
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5 changed files with 32 additions and 7 deletions
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@ -1,7 +1,7 @@
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import math
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def compute_price(price, a, b, c, alpha):
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if price < a:
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return price * (a + b * math.exp(-c/(price-alpha)**2))
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if price < alpha:
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return float(price) * (1 + float(a) + float(b) * math.exp(-c/(price-alpha)**2))
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else:
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return price * a
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return price * (1 + a)
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@ -5,7 +5,7 @@ from django.contrib.auth.models import User
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from dal import autocomplete
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from .models import Reload, Refund, Product, Keg, Menu, Category
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from preferences.models import PaymentMethod
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from preferences.models import PaymentMethod, PriceProfile
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class ReloadForm(forms.ModelForm):
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"""
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@ -136,4 +136,11 @@ class GenerateInvoiceForm(forms.Form):
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client_name = forms.CharField(label="Nom du client")
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client_address_fisrt_line = forms.CharField(label="Première ligne d'adresse")
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client_address_second_line = forms.CharField(label="Deuxième ligne d'adresse")
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products = forms.CharField(widget=forms.Textarea, label="Produits", help_text="Au format nom;prix;quantité avec saut de ligne")
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products = forms.CharField(widget=forms.Textarea, label="Produits", help_text="Au format nom;prix;quantité avec saut de ligne")
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class ComputePriceForm(forms.Form):
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"""
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A form to compute price
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"""
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price_profile = forms.ModelChoiceField(queryset=PriceProfile.objects.all(), label="Profil de prix")
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price = forms.DecimalField(max_digits=10, decimal_places=5, label="Prix")
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@ -55,4 +55,5 @@ urlpatterns = [
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path('stats', views.stats, name="stats"),
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path('divide', views.divide, name="divide"),
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path('gen_invoice', views.gen_invoice, name="gen_invoice"),
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path('compute-price', views.compute_price_view, name="compute-price"),
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]
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@ -14,13 +14,15 @@ from datetime import datetime, timedelta
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from django_tex.views import render_to_pdf
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from coopeV3.acl import active_required, acl_or, admin_required
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from coopeV3.utils import compute_price
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import simplejson as json
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from dal import autocomplete
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from decimal import *
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import os
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from math import floor, ceil
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from .forms import ReloadForm, RefundForm, ProductForm, KegForm, MenuForm, GestionForm, SearchMenuForm, SearchProductForm, SelectPositiveKegForm, SelectActiveKegForm, PinteForm, GenerateReleveForm, CategoryForm, SearchCategoryForm, GenerateInvoiceForm
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from .forms import ReloadForm, RefundForm, ProductForm, KegForm, MenuForm, GestionForm, SearchMenuForm, SearchProductForm, SelectPositiveKegForm, SelectActiveKegForm, PinteForm, GenerateReleveForm, CategoryForm, SearchCategoryForm, GenerateInvoiceForm, ComputePriceForm
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from .models import Product, Menu, Keg, ConsumptionHistory, KegHistory, Consumption, MenuHistory, Pinte, Reload, Refund, Category
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from users.models import School
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from preferences.models import PaymentMethod, GeneralPreferences, Cotisation, DivideHistory
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@ -1064,4 +1066,16 @@ def stats(request):
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"menus": menus,
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"payment_methods": payment_methods,
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"cotisations": cotisations,
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})
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})
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########## Compute price ##########
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def compute_price_view(request):
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form = ComputePriceForm(request.POST or None)
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if form.is_valid():
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price_profile = form.cleaned_data["price_profile"]
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price = compute_price(form.cleaned_data["price"], price_profile.a, price_profile.b, price_profile.c, price_profile.alpha)
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form_p = "Le prix est " + str(ceil(100*price)/100) + " € (arrondi au centième) ou " + str(ceil(10*price)/10) + " € (arrondi au dixième)."
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else:
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form_p = ""
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return render(request, "form.html", {"form": form, "form_title": "Calcul d'un prix", "form_button": "Calculer", "form_icon": "search_dollar", "form_p": form_p})
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@ -61,6 +61,9 @@
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<span class="tabulation2">
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<i class="fa fa-search-dollar"></i> <a href="{% url 'preferences:priceProfilesIndex' %}">Profils de prix</a>
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</span>
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<span class="tabulation2">
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<i class="fa fa-search-dollar"></i> <a href="{% url 'gestion:compute-price' %}">Calcul de prix</a>
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</span>
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{% endif %}
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<span class="tabulation2">
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<i class="fa fa-bed"></i> <a href="{% url 'users:logout' %}">Deconnexion</a>
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