Add price profiles

coopeV3/utils.py

@@ -0,0 +1,7 @@
+import math
+
+def compute_price(price, a, b, c, alpha):
+    if price < a:
+        return price * (a + b * math.exp(-c/(price-alpha)**2))
+    else:
+        return price * a

preferences/admin.py

@@ -1,6 +1,6 @@
 from django.contrib import admin
 from simple_history.admin import SimpleHistoryAdmin
-from .models import PaymentMethod, GeneralPreferences, Cotisation, DivideHistory
+from .models import PaymentMethod, GeneralPreferences, Cotisation, DivideHistory, PriceProfile
 
 class CotisationAdmin(SimpleHistoryAdmin):
     """
@@ -24,6 +24,15 @@ class PaymentMethodAdmin(SimpleHistoryAdmin):
     search_fields = ('name',)
     list_filter = ('is_active', 'is_usable_in_cotisation', 'is_usable_in_reload', 'affect_balance')
 
+class PriceProfileAdmin(SimpleHistoryAdmin):
+    """
+    The admin class for :class:`Consumptions <preferences.models.PriceProfile>`.
+    """
+    list_display = ('name', 'a', 'b', 'c', 'alpha', 'use_for_draft')
+    ordering = ('name',)
+    search_fields = ('name',)
+    list_filter = ('use_for_draft',)
+
 class DivideHistoryAdmin(SimpleHistoryAdmin):
     """
     The admin class for Divide histories
@@ -34,4 +43,5 @@ class DivideHistoryAdmin(SimpleHistoryAdmin):
 admin.site.register(PaymentMethod, PaymentMethodAdmin)
 admin.site.register(GeneralPreferences, GeneralPreferencesAdmin)
 admin.site.register(Cotisation, CotisationAdmin)
+admin.site.register(PriceProfile, PriceProfileAdmin)
 admin.site.register(DivideHistory, DivideHistoryAdmin)

preferences/forms.py

@@ -1,7 +1,7 @@
 from django import forms
 from django.core.exceptions import ValidationError
 
-from .models import Cotisation, PaymentMethod, GeneralPreferences
+from .models import Cotisation, PaymentMethod, GeneralPreferences, PriceProfile
 
 class CotisationForm(forms.ModelForm):
     """
@@ -25,6 +25,13 @@ class PaymentMethodForm(forms.ModelForm):
         model = PaymentMethod
         fields = "__all__"
 
+class PriceProfileForm(forms.ModelForm):
+    """
+    Form to add and edit :class:`~preferences.models.PriceProfile`.
+    """
+    class Meta:
+        model = PriceProfile
+        fields = "__all__"
 
 class GeneralPreferencesForm(forms.ModelForm):
     """

preferences/migrations/0016_priceprofile.py

@@ -0,0 +1,25 @@
+# Generated by Django 2.1 on 2019-06-23 12:37
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('preferences', '0015_dividehistory'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='PriceProfile',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255)),
+                ('a', models.DecimalField(decimal_places=2, max_digits=3, verbose_name='Marge constante')),
+                ('b', models.DecimalField(decimal_places=2, max_digits=3, verbose_name='Marge constante')),
+                ('c', models.DecimalField(decimal_places=2, max_digits=4, verbose_name='Marge constante')),
+                ('alpha', models.DecimalField(decimal_places=2, max_digits=4, verbose_name='Marge constante')),
+                ('use_for_draft', models.BooleanField(default=False)),
+            ],
+        ),
+    ]

preferences/migrations/0017_auto_20190623_1453.py

@@ -0,0 +1,38 @@
+# Generated by Django 2.1 on 2019-06-23 12:53
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('preferences', '0016_priceprofile'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='priceprofile',
+            name='alpha',
+            field=models.DecimalField(decimal_places=2, max_digits=4, verbose_name='Étendue'),
+        ),
+        migrations.AlterField(
+            model_name='priceprofile',
+            name='b',
+            field=models.DecimalField(decimal_places=2, max_digits=3, verbose_name='Marge variable'),
+        ),
+        migrations.AlterField(
+            model_name='priceprofile',
+            name='c',
+            field=models.DecimalField(decimal_places=2, max_digits=4, verbose_name='Paramètre de forme'),
+        ),
+        migrations.AlterField(
+            model_name='priceprofile',
+            name='name',
+            field=models.CharField(max_length=255, verbose_name='Nom'),
+        ),
+        migrations.AlterField(
+            model_name='priceprofile',
+            name='use_for_draft',
+            field=models.BooleanField(default=False, verbose_name='Utiliser pour les pressions ?'),
+        ),
+    ]

preferences/models.py

@@ -172,4 +172,29 @@ class DivideHistory(models.Model):
 
     def __str__(self):
         return "Répartition du " + str(self.date)
-    
+    
+
+class PriceProfile(models.Model):
+    """
+    Stores parameters to compute price
+    """
+    name = models.CharField(max_length=255, verbose_name="Nom")
+    a = models.DecimalField(verbose_name="Marge constante", max_digits=3, decimal_places=2)
+    b = models.DecimalField(verbose_name="Marge variable", max_digits=3, decimal_places=2)
+    c = models.DecimalField(verbose_name="Paramètre de forme", max_digits=4, decimal_places=2)
+    alpha = models.DecimalField(verbose_name="Étendue", max_digits=4, decimal_places=2)
+    use_for_draft = models.BooleanField(default=False, verbose_name="Utiliser pour les pressions ?")
+
+    def save(self, *args, **kwargs):
+        if self.use_for_draft:
+            try:
+                temp = PriceProfile.objects.get(use_for_draft=True)
+                if self != temp:
+                    temp.use_for_draft = False
+                    temp.save()
+            except PriceProfile.DoesNotExist:
+                pass
+        super(PriceProfile, self).save(*args, **kwargs)
+
+    def __str__(self):
+        return self.name

preferences/templates/preferences/price_profiles_index.html

@@ -0,0 +1,45 @@
+{% extends "base.html" %}
+{% block entete %}Gestion des profils de prix{% endblock %}
+{% block navbar %}
+<ul>
+	<li><a href="#first">Liste des profils de prix</a></li>
+</ul>
+{% endblock %}
+{% block content %}
+<section id="first" class="main">
+	<header class="major">
+		<h2>Liste des profils de prix</h2>
+	</header>
+	{% if perms.preferences.add_priceprofile %}
+	<a class="button" href="{% url 'preferences:addPriceProfile' %}"><i class="fa fa-plus-square"></i> Créer un profil de prix</a><br><br>
+	{% endif %}
+	<div class="table-wrapper">
+		<table>
+			<thead>
+				<tr>
+					<th>Nom</th>
+					<th>a (marge constante)</th>
+					<th>b (marge variable)</th>
+					<th>c (paramètre de forme)</th>
+					<th>alpha (étendue)</th>
+					<th>Pression ?</th>
+					<th>Administration</th>
+				</tr>
+			</thead>
+			<tbody>
+				{% for pp in price_profiles %}
+				<tr>
+					<td>{{ pp.name }} </td>
+					<td>{{ pp.a }}</td>
+					<td>{{ pp.b }}</td>
+					<td>{{ pp.c }}</td>
+					<td>{{ pp.alpha }}</td>
+					<td>{{ pp.use_for_draft | yesno:"Oui,Non"}}</td>
+					<td>{% if perms.preferences.change_priceprofile %}<a class="button small" href="{% url 'preferences:editPriceProfile' pp.pk %}"><i class="fa fa-pencil-alt"></i> Modifier</a> {% endif %}{% if perms.preferences.delete_priceprofile %}<a class="button small" href="{% url 'preferences:deletePriceProfile' pp.pk %}"><i class="fa fa-trash"></i> Supprimer</a>{% endif %}</td>
+				</tr>
+				{% endfor %}
+			</tbody>
+		</table>
+	</div>
+</section>
+{% endblock %}

preferences/urls.py

@@ -13,6 +13,10 @@ urlpatterns = [
     path('addPaymentMethod', views.addPaymentMethod, name="addPaymentMethod"),
     path('editPaymentMethod/<int:pk>', views.editPaymentMethod, name="editPaymentMethod"),
     path('deletePaymentMethod/<int:pk>', views.deletePaymentMethod, name="deletePaymentMethod"),
+    path('priceProfilesIndex', views.price_profiles_index, name="priceProfilesIndex"),
+    path('addPriceProfile', views.add_price_profile, name="addPriceProfile"),
+    path('editPriceProfile/<int:pk>', views.edit_price_profile, name="editPriceProfile"),
+    path('deletePriceProfile/<int:pk>', views.delete_price_profile, name="deletePriceProfile"),
     path('inactive', views.inactive, name="inactive"),
     path('getConfig', views.get_config, name="getConfig"),
     path('getCotisation/<int:pk>', views.get_cotisation, name="getCotisation")

preferences/views.py

@@ -10,9 +10,9 @@ from django.http import Http404
 
 from coopeV3.acl import active_required
 
-from .models import GeneralPreferences, Cotisation, PaymentMethod
+from .models import GeneralPreferences, Cotisation, PaymentMethod, PriceProfile
 
-from .forms import CotisationForm, PaymentMethodForm, GeneralPreferencesForm
+from .forms import CotisationForm, PaymentMethodForm, GeneralPreferencesForm, PriceProfileForm
 
 @active_required
 @login_required
@@ -185,4 +185,63 @@ def get_config(request):
     del gp_dict["alcohol_charter"]
     data = json.dumps(gp_dict)
     return HttpResponse(data, content_type='application/json')
-    
+    
+########## Price Profiles ##########
+
+@active_required
+@login_required
+@permission_required('preferences.view_priceprofile')
+def price_profiles_index(request):
+    """
+    View which lists all the :class:`~preferences.models.PriceProfile`.
+    """
+    price_profiles = PriceProfile.objects.all()
+    return render(request, "preferences/price_profiles_index.html", {"price_profiles": price_profiles})
+
+@active_required
+@login_required
+@permission_required('preferences.add_priceprofile')
+def add_price_profile(request):
+    """
+    View which displays a :class:`~preferences.forms.PriceProfileForm` to create a :class:`~preferences.models.PriceProfile`.
+    """
+    form = PriceProfileForm(request.POST or None)
+    if form.is_valid():
+        price_profile = form.save()
+        messages.success(request, "Le profil de prix " + price_profile.name + " a bien été crée")
+        return redirect(reverse('preferences:priceProfilesIndex'))
+    return render(request, "form.html", {"form": form, "form_title": "Création d'un profil de prix", "form_button": "Créer", "form_button_icon": "plus-square"})
+
+@active_required
+@login_required
+@permission_required('preferences.change_priceprofile')
+def edit_price_profile(request, pk):
+    """
+    View which displays a :class:`~preferences.forms.PriceProfile` to edit a :class:`~preferences.models.PriceProfile`.
+
+    pk
+        The primary key of the :class:`~preferences.models.PriceProfile` to edit.
+    """
+    price_profile = get_object_or_404(PriceProfile, pk=pk)
+    form = PriceProfileForm(request.POST or None, instance=price_profile)
+    if form.is_valid():
+        price_profile = form.save()
+        messages.success(request, "Le profil de prix " + price_profile.name + " a bien été modifié")
+        return redirect(reverse('preferences:priceProfilesIndex'))
+    return render(request, "form.html", {"form": form, "form_title": "Modification d'un profil de prix", "form_button": "Modifier", "form_button_icon": "pencil-alt"})
+
+@active_required
+@login_required
+@permission_required('preferences.delete_priceprofile')
+def delete_price_profile(request,pk):
+    """
+    Delete a :class:`~preferences.models.PriceProfile`.
+
+    pk
+        The primary key of the :class:`~preferences.models.PriceProfile` to delete.
+    """
+    price_profile = get_object_or_404(PriceProfile, pk=pk)
+    message = "Le profil de prix " + price_profile.name + " a bien été supprimé"
+    price_pofile.delete()
+    messages.success(request, message)
+    return redirect(reverse('preferences:priceProfilesIndex'))

templates/nav.html

@@ -52,11 +52,16 @@
 	<i class="fa fa-calendar-check"></i> <a href="{% url 'preferences:cotisationsIndex' %}">Cotisations</a>
 </span>
 {% endif %}
-{% if perms.preferences.view_cotisation %}
+{% if perms.preferences.view_paymentmethod %}
 <span class="tabulation2">
 	<i class="fa fa-comments-dollar"></i> <a href="{% url 'preferences:paymentMethodsIndex' %}">Moyens de paiement</a>
 </span>
 {% endif %}
+{% if perms.preferences.view_priceprofile %}
+<span class="tabulation2">
+	<i class="fa fa-search-dollar"></i> <a href="{% url 'preferences:priceProfilesIndex' %}">Profils de prix</a>
+</span>
+{% endif %}
 <span class="tabulation2">
 	<i class="fa fa-bed"></i> <a href="{% url 'users:logout' %}">Deconnexion</a>
 </span>

users/migrations/0009_auto_20190623_1437.py

@@ -0,0 +1,17 @@
+# Generated by Django 2.1 on 2019-06-23 12:37
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('users', '0008_auto_20190623_1105'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='profile',
+            options={'permissions': (('can_generate_invoices', 'Can generate invocies'),), 'verbose_name': 'Profil'},
+        ),
+    ]