python/django-maraudes
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created MultipleChartsView

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This commit is contained in:
artus40
2017-08-18 14:00:59 +02:00
parent c8c59b92a2
commit 6d2ce7d7bc
6 changed files with 189 additions and 103 deletions
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154
statistiques/views.py
View File

@@ -1,9 +1,8 @@
import datetime
from django.shortcuts import render, redirect
from django.contrib import messages
from django.shortcuts import redirect
from django.views import generic
from django.db.models import (Field, CharField, NullBooleanField,
from django.db.models import (CharField, NullBooleanField,
Count,
)
from django.db.models.functions.datetime import ExtractMonth
@@ -20,8 +19,8 @@ from notes.models import Sujet
###
nom_mois = {
NO_DATA = "Aucune donnée"
NOM_MOIS = {
1: "Janvier",
2: "Février",
3: "Mars",
@@ -40,13 +39,22 @@ nom_mois = {
class FilterMixin(generic.edit.FormMixin):
form_class = SelectRangeForm
request = None
year = None
month = None
def get_initial(self):
return {'month': self.request.GET.get('month', 0), 'year': self.request.GET.get('year', 0) }
return {
'month': self.request.GET.get('month', 0),
'year': self.request.GET.get('year', 0),
}
def get(self, *args, **kwargs):
self.year = int(self.request.GET.get('year', 0))
self.month = int(self.request.GET.get('month', 0))
def parse_args(self, request):
self.year = int(request.GET.get('year', 0))
self.month = int(request.GET.get('month', 0))
def get(self, request, *args, **kwargs):
self.parse_args(request)
return super().get(self, *args, **kwargs)
def _filters(self, prefix):
@@ -74,7 +82,27 @@ class FilterMixin(generic.edit.FormMixin):
return context
NO_DATA = "Aucune donnée"
class MultipleChartsView(FilterMixin, generic.TemplateView):
template_name = "statistiques/multiple_charts.html"
page_title = None
def get_queryset(self):
raise NotImplementedError("Subclass must implement this method")
def get_graphs(self, queryset):
raise NotImplementedError("Subclasses must implement this method.")
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
queryset = self.get_queryset()
context['page_title'] = str(self.page_title)
context['queryset_count'] = queryset.count()
context['graphs'] = [
(title, graph) for title, graph in self.get_graphs(queryset)
]
return context
class DashboardView(FilterMixin, generic.TemplateView):
template_name = "statistiques/index.html"
@@ -120,11 +148,13 @@ class DashboardView(FilterMixin, generic.TemplateView):
return context
class PieChartView(MultipleChartsView):
page_title = "Typologie"
class PieChartView(FilterMixin, generic.TemplateView):
template_name = "statistiques/typologie.html"
def get_queryset(self):
return self.get_fichestatistiques_queryset()
def get_graphs(self):
def get_graphs(self, queryset):
sujets = self.get_sujets_queryset()
# Insertion des champs 'âge' et 'genre' du modèle notes.Sujet
for field in Sujet._meta.fields:
@@ -150,22 +180,13 @@ class PieChartView(FilterMixin, generic.TemplateView):
# Puis des champs du modèle statistiques.FicheStatistique
# dans leur ordre de déclaration
queryset = self.get_fichestatistiques_queryset()
for field in FicheStatistique._meta.fields:
if field.__class__ in (NullBooleanField, CharField):
yield str(field.verbose_name), PieWrapper(queryset, field)
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
context['graphs'] = [(title, graph) for title, graph in self.get_graphs()]
context['queryset'] = self.get_fichestatistiques_queryset()
return context
class FrequentationStatsView(FilterMixin, generic.TemplateView):
template_name = "statistiques/frequentation.html"
class FrequentationStatsView(MultipleChartsView):
page_title = "Fréquentation"
@staticmethod
def calculer_frequentation_par_quart_heure(observations, continu=False):
@@ -207,7 +228,6 @@ class FrequentationStatsView(FilterMixin, generic.TemplateView):
and (debut.hour <= heure and debut.minute <= debut_intervalle)
and (fin.hour >= heure and fin.minute >= fin_intervalle)):
return True
else:
return False
@@ -224,64 +244,64 @@ class FrequentationStatsView(FilterMixin, generic.TemplateView):
return data
def get_queryset(self):
return self.get_observations_queryset()
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
def get_graphs(self, queryset):
graphs = []
# Nombre de rencontres en fonction de l'heure
par_heure = self.calculer_frequentation_par_quart_heure(queryset, continu=False)
en_continu = self.calculer_frequentation_par_quart_heure(queryset, continu=True)
graphs.append(("Par heure", gchart.AreaChart(
SimpleDataSource(
[("Heure", "Rencontres démarrées", "Au total (démarré + en cours)")] +
[(heure, par_heure[heure], en_continu[heure]) for heure in sorted(par_heure.keys())]
),
options={
"title": "Fréquentation de la maraude en fonction de l'heure (par quart d'heure)"
}
)))
observations = self.get_observations_queryset()
par_heure = self.calculer_frequentation_par_quart_heure(observations, continu=False)
en_continu = self.calculer_frequentation_par_quart_heure(observations, continu=True)
context['rencontres_par_heure'] = gchart.AreaChart(
SimpleDataSource(
[("Heure", "Rencontres démarrées", "Au total (démarré + en cours)")] +
[(heure, par_heure[heure], en_continu[heure]) for heure in sorted(par_heure.keys())]
),
options = {
"title": "Fréquentation de la maraude en fonction de l'heure (par quart d'heure)"
}
)
par_mois = observations.order_by().annotate(
mois=ExtractMonth('created_date')
).values(
'mois'
).annotate(
nbr=Count('pk')
)
context['rencontres_par_mois'] = ColumnWrapper(
# Nombre de rencontres en fonction du mois
par_mois = queryset.annotate(
mois=ExtractMonth('created_date')
).values(
'mois'
).annotate(
nbr=Count('pk')
).order_by()
graphs.append(("Par mois", ColumnWrapper(
SimpleDataSource(
[("Mois", "Rencontres")] +
[(nom_mois[item['mois']], item['nbr']) for item in par_mois]
[(NOM_MOIS[item['mois']], item['nbr']) for item in par_mois]
),
options = {
options={
"title": "Nombre de rencontres par mois"
}
)
)))
# Graph: Fréquence de rencontres par sujet
nbr_rencontres = observations.values('sujet').annotate(nbr=Count('pk')).order_by()
context['rencontres_par_sujet'] = nbr_rencontres.count()
nbr_rencontres = queryset.values('sujet').annotate(nbr=Count('pk')).order_by()
categories = (
('Rencontre unique', (1,)),
('Entre 2 et 5 rencontres', range(2,6)),
('Entre 6 et 20 rencontres', range(6,20)),
('Plus de 20 rencontres', range(20,999)),
('Entre 2 et 5 rencontres', range(2, 6)),
('Entre 6 et 20 rencontres', range(6, 20)),
('Plus de 20 rencontres', range(20, 999)),
)
get_count_for_range = lambda rg: nbr_rencontres.filter(nbr__in=rg).count()
context['rencontres_par_sujet'] = PieWrapper(
data= [('Type de rencontre', 'Nombre de sujets')] +
[(label, get_count_for_range(rg)) for label, rg in categories],
title= 'Fréquence de rencontres'
)
graphs.append(("Par sujet", PieWrapper(
data=[('Type de rencontre', 'Nombre de sujets')] +
[(label, get_count_for_range(rg)) for label, rg in categories],
title='Fréquence de rencontres'
)))
return context
# Rencontres par lieu
# TODO: More customizable way of categorizing "Lieu"
return graphs
# AjaxMixin
class AjaxOrRedirectMixin:
""" For view that should be retrieved by Ajax only. If not,
redirects to the primary view where these are displayed """
@@ -293,14 +313,12 @@ class AjaxOrRedirectMixin:
return super().get(*args, **kwargs)
class StatistiquesDetailsView(AjaxOrRedirectMixin, generic.DetailView):
model = FicheStatistique
template_name = "statistiques/fiche_stats_details.html"
class StatistiquesUpdateView(AjaxOrRedirectMixin, generic.UpdateView):
model = FicheStatistique