initial commit

core/admin.py

@@ -0,0 +1,14 @@
+from django.contrib import admin
+from .models import (Enregistrement, Etiquette)
+
+# Register your models here.
+
+@admin.register(Etiquette)
+class EtiquetteAdmin(admin.ModelAdmin):
+    pass
+
+@admin.register(Enregistrement)
+class EnregistrementAdmin(admin.ModelAdmin):
+    pass
+
+

core/apps.py

@@ -0,0 +1,5 @@
+from django.apps import AppConfig
+
+
+class CoreConfig(AppConfig):
+    name = 'core'

core/forms.py

@@ -0,0 +1,25 @@
+from django import forms
+from .models import Enregistrement
+
+class EnregistrementForm(forms.ModelForm):
+    est_negatif = forms.BooleanField(required=False)
+    
+    class Meta:
+        model = Enregistrement
+        fields = ('montant', 'description', 'date', 'etiquette')
+        widgets = {'etiquette': forms.Select(
+                       attrs={'class':'form-control custom-select'}
+                       ),
+	           'date': forms.SelectDateWidget(
+                       attrs={'class':'form-control custom-select mx-1'}
+                       )
+                   }
+
+    def clean(self):
+        data = super().clean()
+        print(data)
+        # Force un nombre négatif si 'est_negatif' est coché
+        if (data['est_negatif'] 
+            and data['montant'] > 0):
+            self.cleaned_data['montant'] = 0 - data['montant'] 
+        return self.cleaned_data

core/management/commands/import_csv.py

@@ -0,0 +1,45 @@
+import csv
+import collections
+from django.core.management.base import BaseCommand, CommandError
+from core.models import Enregistrement, Etiquette
+
+class Command(BaseCommand):
+    help = "Importe des enregistrement à partir d'un fichier .csv"
+    mapping = ("date", "description", "etiquette", "montant")
+
+    def add_arguments(self, parser):
+        parser.add_argument("files", nargs="+", type=str)
+        parser.add_argument("-t", "--test", action="store_true")
+
+    def handle(self, *args, **options):
+        header = "== Importation au format .csv"
+        if options['test']:
+            header += " (test)"
+        header += " ==\n%s" % (self.mapping,)
+        self.stdout.write(self.style.MIGRATE_HEADING(header))
+
+        for filepath in options['files']:
+            with open(filepath, 'r') as f:
+                self.stdout.write(self.style.WARNING("[-] %s " % filepath), ending='')
+                reader = csv.reader(f)
+                results = list()
+                for row in reader:
+                   result = collections.OrderedDict() 
+                   for i, field in enumerate(self.mapping):
+                       result[field] = row[i]
+                   results.append(result)
+                self.stdout.write(self.style.SUCCESS("Ok (%i results):" % len(results)))
+                
+                for result in results:
+                   output = ", ".join(map(lambda t: "%s:%s" % (t[0][0:4], t[1]), result.items()))
+                   if not options['test']:
+                       # Création d'un nouvel enregistrement
+                       date = result['date'] # TODO: format date !
+                       etiquette, created = Etiquette.objects.get_or_create(nom=result['etiquette'])
+                       Enregistrement.objects.create(date=result['date'],
+                                                     description=result['description'],
+                                                     etiquette=etiquette,
+                                                     montant=result['montant'])
+                       output = "+" + output
+                       if created: output += "(added %s)" % etiquette
+                   self.stdout.write(self.style.SUCCESS("    " + output))

core/models.py

@@ -0,0 +1,125 @@
+import datetime
+from collections import defaultdict
+from django.db import models
+
+# Create your models here.
+
+class Etiquette(models.Model):
+    nom = models.CharField(max_length=128, unique=True)
+
+    def __str__(self):
+        return "%s" % self.nom
+
+
+class MonthManager(models.Manager):
+
+
+    def get_queryset_for_month(self, month, year):
+        return super().get_queryset().filter(date__month=month,
+                                             date__year=year)
+
+    def get_queryset(self, month=None, year=None):
+        """ Add custom 'month' and 'year' keyword arguments, used as filters.
+            Without argument, simply proxy to parent method.
+
+            This method checks if month is newly created (first access). If
+            so, it spawns recursive records for this month.
+        """
+        # Generic call
+        if not month and not year:  
+            return super().get_queryset()
+        # Custom call
+        elif month and year:
+            recursifs = EnregistrementRecursif.objects.all()
+            if (not self.get_queryset_for_month(month, year).exists()
+                and recursifs.exists()):
+                print("LOG: Month is created so we populated it...")
+                for r in recursifs:
+                    r.spawn(month, year) 
+            return self.get_queryset_for_month(month, year)
+        # Invalid call
+        else:
+            raise TypeError(
+"You must call with either none or \
+both 'month' and 'year' keyword arguments")
+
+    def _populate_data(self, qs, data):
+        
+        def somme_par_etiquette(qs):
+            sommes = defaultdict(lambda:0)
+            for el in qs:
+                sommes[el.etiquette.nom] += el.montant
+            return dict(sommes)
+
+        data['balance'] = sum(map(lambda t: t[0], qs.values_list('montant')))
+        data['par_etiquette'] = somme_par_etiquette(qs)
+        
+        return data
+
+    def calculate_data(self, qs):
+        #TODO: cached results
+        return self._populate_data(qs, {})
+    
+    def get_month_with_data(self, month, year):
+        """ Retrieve the queryset for given month and year, plus
+            some data calculated on the set """
+
+        qs = self.get_queryset(month=month, year=year)
+        data = self.calculate_data(qs)
+        print(qs, data)
+        return qs, data
+
+
+class Enregistrement(models.Model):
+    objects = MonthManager()
+
+    date = models.DateField()
+    montant = models.FloatField()
+    etiquette = models.ForeignKey(Etiquette)
+    description = models.CharField(max_length=512)
+
+    def __str__(self):
+        return "<Depense: %s>" % self.etiquette
+
+
+class EnregistrementRecursif(models.Model):
+    jour = models.IntegerField()
+    montant = models.FloatField()
+    etiquette = models.ForeignKey(Etiquette)
+    description = models.CharField(max_length=512)
+    created_date = models.DateField()
+
+    def is_older(self, month, year):
+        return (self.created_date.month <= month
+                and self.created_date.year <= year)
+
+    def spawn(self, month, year, commit=True):
+        """ Spawn a new Enregistrement for given month and year. """
+        
+        # Do not spawn for dates older than this instance creation date
+        if not self.is_older(month, year): 
+            return None
+        # Create new Enregistrement from this instance values
+        date = datetime.date(year, month, self.jour)
+        new_object, created = Enregistrement.objects.get_or_create(date=date,
+                                                   montant=self.montant,
+                                                   etiquette=self.etiquette,
+                                                   description=self.description)        
+        if created and commit:
+            new_object.save()
+        return new_object
+
+    def save(self, **kwargs):
+        """ Update 'created_date' on each save, this avoids conflict with older
+            spawned instances.
+        """
+        self.created_date = tz.now().date()
+        return super().save(**kwargs)
+
+    def __str__(self):
+        return "<[%i] %s (%s) : %s {%s}>" % (self.jour, 
+                                             self.description, 
+                                             self.etiquette,
+                                             self.montant,
+                                             self.created_date)
+

core/static/activity.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="#fff" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-activity"><polyline points="22 12 18 12 15 21 9 3 6 12 2 12"></polyline></svg>

core/static/chevrons-left.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="#fff" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-chevrons-left"><polyline points="11 17 6 12 11 7"></polyline><polyline points="18 17 13 12 18 7"></polyline></svg>

core/static/chevrons-right.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="#fff" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-chevrons-right"><polyline points="13 17 18 12 13 7"></polyline><polyline points="6 17 11 12 6 7"></polyline></svg>

core/static/delete.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-delete"><path d="M21 4H8l-7 8 7 8h13a2 2 0 0 0 2-2V6a2 2 0 0 0-2-2z"></path><line x1="18" y1="9" x2="12" y2="15"></line><line x1="12" y1="9" x2="18" y2="15"></line></svg>

core/static/edit.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-edit"><path d="M20 14.66V20a2 2 0 0 1-2 2H4a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h5.34"></path><polygon points="18 2 22 6 12 16 8 16 8 12 18 2"></polygon></svg>

core/static/minus-circle.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-minus-circle"><circle cx="12" cy="12" r="10"></circle><line x1="8" y1="12" x2="16" y2="12"></line></svg>

core/static/minus-square.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-minus-square"><rect x="3" y="3" width="18" height="18" rx="2" ry="2"></rect><line x1="8" y1="12" x2="16" y2="12"></line></svg>

core/static/plus.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="#fff" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-plus"><line x1="12" y1="5" x2="12" y2="19"></line><line x1="5" y1="12" x2="19" y2="12"></line></svg>

core/static/repeat.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="#fff" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-repeat"><polyline points="17 1 21 5 17 9"></polyline><path d="M3 11V9a4 4 0 0 1 4-4h14"></path><polyline points="7 23 3 19 7 15"></polyline><path d="M21 13v2a4 4 0 0 1-4 4H3"></path></svg>

core/static/rewind.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-rewind"><polygon points="11 19 2 12 11 5 11 19"></polygon><polygon points="22 19 13 12 22 5 22 19"></polygon></svg>

core/static/tag.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="#fff" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-tag"><path d="M20.59 13.41l-7.17 7.17a2 2 0 0 1-2.83 0L2 12V2h10l8.59 8.59a2 2 0 0 1 0 2.82z"></path><line x1="7" y1="7" x2="7" y2="7"></line></svg>

core/templates/core/base.html

@@ -0,0 +1,43 @@
+{% load bootstrap4 staticfiles %}
+<!DOCTYPE html>
+<html lang="fr">
+<head>
+ <meta charset="utf-8">
+ <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
+  {% bootstrap_css %}
+  {% bootstrap_javascript jquery=True %}
+</head>
+<body>
+ <!-- Navbar //-->
+ <nav class="navbar sticky-top navbar-expand-lg navbar-dark bg-dark justify-content-between">
+  <a class="navbar-brand mb-0 col-2" href="{% url "index" %}">
+   <img src="{% static "activity.svg" %}" height="30" width="30"/>
+   Cresus
+  </a> 
+  <span class="navbar-text col-8 text-center">{% block page_title %}Titre{% endblock %}</span>
+
+  <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarMenu" aria-controls="navbarMenu" aria-expanded="false" aria-label="Toggle Navigation">
+   <span class="navbar-toggler-icon"></span>
+  </button>
+  <div class="collapse navbar-collapse col-2" id="navbarMenu">
+  <div class="btn-group btn-group-sm mx-2" role="group" aria-label="Etiquettes">
+   <a class="btn btn-dark" href="{% url "etiquette-add" %}">
+    <img src="{% static "plus.svg" %}" height="18" width="18" />
+   </a>
+   <a href="{% url "etiquette-list" %}" class="btn btn-dark px-2">
+    <img src="{% static "tag.svg" %}" />
+   </a>
+  </div>
+  <div class="btn-group btn-group-sm mx-2" role="group" aria-label="Enregistrements récurrents">
+   <a class="btn btn-dark" href="{% url "recursif-add" %}"><img src="{% static "plus.svg" %}" height="18" width="18" /></a>
+   <a class="btn btn-dark" href="{% url "recursif-list" %}"><img src="{% static "repeat.svg" %}" /></a>
+  </div>  </div>
+ </nav>
+ <div class="container">
+  <!-- Content //-->
+  {% block body_content %}
+Page vide.
+  {% endblock %}
+ </div>
+</body>
+</html>

core/templates/core/confirm_delete.html

@@ -0,0 +1,12 @@
+{% extends "core/base.html" %}
+
+{% block page_title %}
+ Suppression de {{ object}}
+{% endblock %}
+
+{% block body_content %}
+<form action="" method="post" class="mt-3">{% csrf_token %}
+<p>Êtes-vous sûr de vouloir supprimer définitivement {{ object }} ?</p>
+<input type="submit" value="Confirm" class="btn btn-block btn-dark" />
+</form>
+{% endblock %}

core/templates/core/enregistrement_add.html

@@ -0,0 +1,37 @@
+{% extends "core/base.html" %}
+{% load bootstrap4 staticfiles %}
+
+{% block page_title %}
+ Ajouter une écriture
+{% endblock %}
+
+{% block body_content %}
+<form action="" method="POST" class="mt-3">
+ {% csrf_token %}
+ <div class="form-row">
+  <div class="form-group col-4">
+   <label class="control-label" for="id_montant">Montant</label>
+   <div class="input-group">
+    <span class="input-group-addon">
+     <img src="{% static "minus-square.svg"%}" />{{ form.est_negatif}}
+    </span>
+    <input class="form-control" type="number" id="id_montant" name="montant" required />
+   </div>
+  </div>
+ {% bootstrap_field form.description form_group_class="form-group col-8" %}
+ </div>
+ <div class="form-row">
+  <div class="form-group col-4">
+   <label class="control-label" for="id_date">Date</label>
+   <div class="form-inline align-items-center">{{ form.date }}</div>
+  </div>
+  <div class="form-group col-8">
+   <label class="control-label" for="id_etiquette">Étiquette</label>
+   {{ form.etiquette }}
+  </div>
+ </div>
+ <div class="form-row mt-3">
+   <button type="submit" class="btn btn-block btn-dark"><img src="{% static "plus.svg" %}" /> Ajouter</button>
+ </div>
+</form>
+{% endblock %}

core/templates/core/enregistrement_update_form.html

@@ -0,0 +1,14 @@
+{% extends "core/base.html" %}
+{% load bootstrap4 %}
+
+{% block page_title %}
+ Mise à jour de {{ object }}
+{% endblock %} 
+
+{% block body_content %}
+ <form action="" method="post" class="mt-2">
+  {% csrf_token %}
+  {% bootstrap_form form %}
+  <button type="submit" class="btn btn-block btn-dark">Enregistrer</button>
+ </form>
+{% endblock %}

core/templates/core/enregistrementrecursif_add_form.html

@@ -0,0 +1,14 @@
+{% extends "core/base.html" %}
+{% load bootstrap4 %}
+ 
+{% block page_title %}
+ Ajouter un enregistrement récursif
+{% endblock %}
+
+{% block body_content %}
+ <form action="" method="post" class="mt-2">
+  {% csrf_token %}
+  {% bootstrap_form form %}
+  <button type="submit" class="btn btn-block btn-dark">Enregistrer</button>
+ </form>
+{% endblock %}

core/templates/core/enregistrementrecursif_update_form.html

@@ -0,0 +1,14 @@
+{% extends "core/base.html" %}
+{% load bootstrap4 %}
+
+{% block page_title %}
+ Mise à jour de {{ object }}
+{% endblock %} 
+
+{% block body_content %}
+ <form action="" method="post" class="mt-2">
+  {% csrf_token %}
+  {% bootstrap_form form %}
+  <button type="submit" class="btn btn-block btn-dark">Enregistrer</button>
+ </form>
+{% endblock %}

core/templates/core/etiquette_add_form.html

@@ -0,0 +1,14 @@
+{% extends "core/base.html" %}
+{% load bootstrap4 %}
+
+{% block page_title %}
+ Ajouter une étiquette
+{% endblock %}
+
+{% block body_content %}
+ <form action="" method="post" class="mt-2">
+  {% csrf_token %}
+  {% bootstrap_form form %}
+  <button type="submit" class="btn btn-block btn-dark">Enregistrer</button>
+ </form>
+{% endblock %}

core/templates/core/etiquette_list.html

@@ -0,0 +1,23 @@
+{% extends "core/base.html" %}
+{% load staticfiles %}
+
+{% block page_title%}
+ Liste des étiquettes  
+{% endblock %}
+
+{% block body_content %}
+<table class="table table-striped">
+ <thead class="thead-inverse">
+  <tr><th>Nom</th><th>Actions</th></tr>
+ <thead>
+{% for etiquette in object_list %}
+ <tr>
+  <td>{{ etiquette }}</td>
+  <td>
+    <a href="{% url "etiquette-update" pk=etiquette.pk %}"><img src="{% static "edit.svg" %}" /><span class="sr-only">Éditer</span></a>
+    <a href="{% url "etiquette-delete" pk=etiquette.pk %}"><img src="{% static "delete.svg" %}" /><span class="sr-only">Supprimer</span></a>
+  </td>
+ </tr>
+{% endfor %}
+
+{% endblock %}

core/templates/core/etiquette_update_form.html

@@ -0,0 +1,14 @@
+{% extends "core/base.html" %}
+{% load bootstrap4 %}
+
+{% block page_title %}
+ Mise à jour de "{{ object }}"
+{% endblock %}
+
+{% block body_content %}
+<form action="" method="post" class="mt-2">
+ {% csrf_token %}
+ {% bootstrap_form form %}
+ <button type="submit" class="btn btn-block btn-dark">Enregistrer</button>
+</form>
+{% endblock %}

core/templates/core/index.html

@@ -0,0 +1,62 @@
+{% extends "core/base.html" %}
+{% load bootstrap4 staticfiles %}
+{% block page_title %}
+ <a href="{{ prev_month_url }}" class="btn btn-dark btn-sm"><img src="{% static "chevrons-left.svg" %}" /></a>
+ Comptes de {{mois}} {{annee}}
+ <a href="{% url "add"%}?year={{year}}&month={{month}}" class="btn btn-dark btn-sm m-0"><img src="{% static "plus.svg" %}" /></a>
+ {% if next_month_url %}
+ <a href="{{ next_month_url}}" class="btn btn-dark btn-sm"><img src="{% static "chevrons-right.svg" %}" /></a>
+ {% endif %}
+{% endblock %}
+{% block body_content %}
+<div class="row">
+ {% bootstrap_messages %}
+ <div class="col-md-9">
+   {% if not object_list %}
+   <p class="alert alert-warning m-3">Aucune donnée</p>
+   {% else %}
+   <table class="table table-striped table-hover">
+     <thead class="thead-inverse">
+      <tr>
+        <th width="25%">Date</th>
+        <th width="40%">Description</th>
+        <th width="20%">Etiquette</th>
+        <th width="10%">Montant</th>
+        <th width="5%">Actions</th></tr>
+     </thead>
+     {% for d in object_list %}
+     <tr>
+       <td>{{ d.date }}</td>
+       <td>{{ d.description }}</td>
+       <td>{{ d.etiquette }}</td>
+       <td class="text-{% if d.montant > 0 %}success{% else %}danger{%endif%}">
+         <strong>{{ d.montant }}</strong>
+       </td>
+       <td>
+         <a href="{% url "update" pk=d.pk %}"><img src="{% static "edit.svg" %}" /></a>
+         <a href="{% url "delete" pk=d.pk %}"><img src="{% static "delete.svg" %}" /></a>
+       </td>
+     </tr>
+     {% endfor %}
+   </table>
+   {% endif %}
+ </div>
+ <div class="col-md-3 mt-3">
+  <h2 class="page-title">Balance 
+    <span class="badge float-right badge-{% if data.balance > 0 %}success{% else %}danger{% endif%}">{{ data.balance }} €</span>
+  </h2>
+  <div class="card mt-3" >
+   <div class="card-header">
+    Dépenses
+   </div>
+    <ul class="list-group list-group-flush">
+     {% for label, montant in data.par_etiquette.items %}
+     <li class="list-group-item">{{ label }} 
+       <span class="badge badge-dark p-2 align-middle float-right">{{ montant }} €</span>
+     </li>
+     {% endfor %}
+    </ul>
+  </div>
+ </div>
+</div>
+{% endblock %}

core/templates/core/recursif_list.html

@@ -0,0 +1,28 @@
+{% extends "core/base.html" %}
+{% load staticfiles %}
+
+{% block page_title %}
+ Enregistrement récursif
+{% endblock %}
+
+{% block body_content %}
+<table class="table">
+ <thead class="thead-inverse">
+  <tr><th>Jour</th>
+      <th>Description</th>
+      <th>Étiquette</th>
+      <th>Montant</th>
+      <th>Actions</th>
+  </tr>
+ </thead>
+ {% for enr_rec in object_list %}
+ <tr><td>{{ enr_rec.jour }}</td>
+     <td>{{ enr_rec.description }}</td>
+     <td>{{ enr_rec.etiquette }}</td>
+     <td>{{ enr_rec.montant }}</td>
+     <td><a href="{% url "recursif-update" pk=enr_rec.pk %}"><img src="{% static "edit.svg" %}" /><span class="sr-only">Éditer</span></a>
+         <a href="{% url "recursif-delete" pk=enr_rec.pk %}"><img src="{% static "delete.svg" %}" /><span class="sr-only">Supprimer</span></a></td>
+ </tr>
+ {% endfor %}
+</table>
+{% endblock %}

core/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

core/urls.py

@@ -0,0 +1,18 @@
+from django.conf.urls import url
+from .views import *
+
+urlpatterns = [
+    url(r'^$', redirect_to_current_month, name="index"),
+    url(r'^(?P<year>[0-9]{4})/(?P<month>[0-9]{2})/$', MonthView.as_view(), name="month-view"),
+    url(r'^add$', EnregistrementAddView.as_view(), name="add"),
+    url(r'^update/(?P<pk>[0-9]+)$', EnregistrementUpdateView.as_view(), name="update"),
+    url(r'^delete/(?P<pk>[0-9]+)$', EnregistrementDeleteView.as_view(), name="delete"),
+    url(r'^etiquettes$', EtiquetteListView.as_view(), name="etiquette-list"),
+    url(r'^etiquettes/add$', EtiquetteAddView.as_view(), name="etiquette-add"),
+    url(r'^etiquettes/update/(?P<pk>\w+)$', EtiquetteUpdateView.as_view(), name="etiquette-update"),
+    url(r'^etiquettes/delete/(?P<pk>\w+)$', EtiquetteDeleteView.as_view(), name="etiquette-delete"),
+    url(r'^recursif$', RecursifListView.as_view(), name="recursif-list"),
+    url(r'^recursif/add$', RecursifAddView.as_view(), name="recursif-add"),
+    url(r'^recursif/update/(?P<pk>[0-9]+)$', RecursifUpdateView.as_view(), name="recursif-update"),
+    url(r'^recursif/delete/(?P<pk>[0-9]+)$', RecursifDeleteView.as_view(), name="recursif-delete"),
+]

core/views.py

@@ -0,0 +1,182 @@
+from collections import defaultdict
+from django.shortcuts import render, redirect
+from django.urls import reverse, reverse_lazy
+from django.http import HttpResponseRedirect
+from django.utils import timezone as tz
+from django.utils.dates import MONTHS
+from django import views
+from django.contrib import messages
+
+from .models import (Enregistrement, Etiquette, EnregistrementRecursif,)
+from .forms import EnregistrementForm
+
+# Utils
+
+def get_current_date():
+    return tz.localtime(tz.now()).date()
+
+def redirect_to_current_month(request):
+    current_date = get_current_date() 
+    return HttpResponseRedirect(reverse("month-view", 
+                    kwargs={
+                        'year': current_date.year,
+                        'month': "%02d" % current_date.month,
+                        }))
+
+# Views 
+
+class MonthView(views.generic.ListView):
+    template_name = "core/index.html"
+
+    def get(self, request, year=None, month=None, *args, **kwargs):
+        self.current_date = get_current_date()
+        self.year = int(year)
+        self.month = int(month)
+        if self.is_in_future:
+            messages.warning(request, "Trying to go into the future ? Well, you've been teleported back to now...")
+            return redirect_to_current_month(request)
+        return super().get(request, *args, **kwargs)
+
+    def get_queryset(self):
+        """ Use custom manager method to get associated data and store it """
+        qs, data = Enregistrement.objects.get_month_with_data(self.month,
+                                                              self.year)
+        self.data = data
+        return qs
+
+    def get_prev_month(self):
+        """ Get url for previous month (no limit) """
+        if self.month > 1:
+            return reverse("month-view", 
+                           kwargs={'year': self.year,
+                                   'month': "%02d" % (self.month - 1)})
+        else:
+            return reverse("month-view",
+                           kwargs={'year': self.year - 1,
+                                   'month': 12})
+
+    @property
+    def is_in_future(self):
+        return (self.year > self.current_date.year
+                or (self.year == self.current_date.year
+                    and self.month > self.current_date.month))
+         
+
+    def get_next_month(self):
+        """ Get url for next month, but no going into the future ! """
+        if self.is_in_future or (self.year == self.current_date.year
+                                 and self.month == self.current_date.month):
+            return None
+       
+        if self.month < 12:
+            return reverse("month-view",
+                           kwargs={'year': self.year,
+                                   'month': "%02d" % (self.month + 1)})
+        else:
+            return reverse("month-view",
+                           kwargs={'year': self.year + 1,
+                                   'month': "01"})
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        context['mois'], context['month'] = MONTHS[self.month], self.month
+        context['annee'], context['year'] = self.year, self.year
+        context['data'] = self.data
+        context['prev_month_url'] = self.get_prev_month()
+        context['next_month_url'] = self.get_next_month()
+        return context
+
+
+class EnregistrementAddView(views.generic.edit.CreateView):
+    model = Enregistrement
+    template_name_suffix = "_add"
+    form_class = EnregistrementForm
+    
+    def get_initial(self):
+        # Build the initial date
+        date = get_current_date()
+        try: date = date.replace(int(self.request.GET['year']))
+        except KeyError: pass
+        try: date = date.replace(date.year, int(self.request.GET['month']))
+        except KeyError: pass    
+        # Initials
+        return {'date': date,
+                'est_negatif': True,
+                }
+    
+    def get_success_url(self):
+        date = self.object.date 
+        return reverse("month-view",
+                       kwargs={'year': date.year,
+                               'month': "%02d" % date.month})
+
+
+class EnregistrementUpdateView(views.generic.edit.UpdateView):
+    model = Enregistrement
+    template_name_suffix = "_update_form"
+    fields = "__all__"
+
+    def get_success_url(self):
+        return reverse("month-view",
+                       kwargs={'year': self.object.date.year,
+                               'month': "%02d" % self.object.date.month})
+
+
+
+class EnregistrementDeleteView(views.generic.edit.DeleteView):
+    model = Enregistrement
+    template_name = "core/confirm_delete.html"
+    
+    def get_success_url(self):
+        return reverse("month-view",
+                       kwargs={'year': self.object.date.year,
+                               'month': "%02d" % self.object.date.month})
+
+class EtiquetteListView(views.generic.ListView):
+    model = Etiquette
+    template_name = "core/etiquettes.html"
+
+
+class EtiquetteAddView(views.generic.edit.CreateView):
+    model = Etiquette
+    fields = "__all__"
+    template_name_suffix = "_add_form"
+    success_url = reverse_lazy('etiquette-list')
+
+
+class EtiquetteUpdateView(views.generic.edit.UpdateView):
+    model = Etiquette
+    fields = "__all__"
+    template_name_suffix = "_update_form"
+    success_url = reverse_lazy('etiquette-list')
+
+
+class EtiquetteDeleteView(views.generic.edit.DeleteView):
+    model = Etiquette
+    template_name = "core/confirm_delete.html"
+    success_url = reverse_lazy("etiquette-list")
+
+
+class RecursifListView(views.generic.ListView):
+    model = EnregistrementRecursif
+    template_name = "core/recursif_list.html"
+
+
+class RecursifAddView(views.generic.edit.CreateView):
+    model = EnregistrementRecursif
+    fields = ('jour', 'description', 'etiquette', 'montant')
+    template_name_suffix = "_add_form"
+    success_url = reverse_lazy('recursif-list')
+
+
+class RecursifUpdateView(views.generic.edit.UpdateView):
+    model = EnregistrementRecursif
+    fields = ('jour', 'description', 'etiquette', 'montant')
+    template_name_suffix = "_update_form"
+    success_url = reverse_lazy('recursif-list')
+
+
+class RecursifDeleteView(views.generic.edit.DeleteView):
+    model = EnregistrementRecursif
+    template_name = "core/confirm_delete.html"
+    success_url = reverse_lazy("recursif-list")