Rework stats_manifest

On change la façon dont les vues gèrent l'interface avec `Scale`.
Side effect : on peut avoir l'historique sur tout le temps

kfet/static/kfet/js/statistic.js

@@ -145,7 +145,7 @@
                     .on("click", showStats);
 
                 // saves the default option to select
-                if (i == data.default_stat || i == 0)
+                if (stat.default)
                     to_click = btn;
 
                 // append the elements to the parent

kfet/statistic.py

@@ -144,43 +144,7 @@ class MonthScale(Scale):
         return to_kfet_day(dt).replace(day=1)
 
 
-def stat_manifest(
-    scales_def=None, scale_args=None, scale_prefix=None, **other_url_params
-):
-    if scale_prefix is None:
-        scale_prefix = "scale_"
-    if scales_def is None:
-        scales_def = []
-    if scale_args is None:
-        scale_args = {}
-    manifest = []
-    for label, cls in scales_def:
-        url_params = {scale_prefix + "name": cls.name}
-        url_params.update(
-            {scale_prefix + key: value for key, value in scale_args.items()}
-        )
-        url_params.update(other_url_params)
-        manifest.append(dict(label=label, url_params=url_params))
-    return manifest
-
-
-def last_stats_manifest(
-    scales_def=None, scale_args=None, scale_prefix=None, **url_params
-):
-    scales_def = [
-        ("Derniers mois", MonthScale),
-        ("Dernières semaines", WeekScale),
-        ("Derniers jours", DayScale),
-    ]
-    if scale_args is None:
-        scale_args = {}
-    scale_args.update(dict(last=True, n_steps=7))
-    return stat_manifest(
-        scales_def=scales_def,
-        scale_args=scale_args,
-        scale_prefix=scale_prefix,
-        **url_params
-    )
+def scale_url_params(scales_def, **other_url_params):
     """
     Convertit une spécification de scales en arguments GET utilisables par ScaleMixin.
     La spécification est de la forme suivante :
@@ -189,7 +153,14 @@ def last_stats_manifest(
         - other_url_params : paramètres GET supplémentaires
     """
 
+    params_list = []
+    for label, cls, params, default in scales_def:
+        url_params = {"scale_name": cls.name}
+        url_params.update({"scale_" + key: value for key, value in params.items()})
+        url_params.update(other_url_params)
+        params_list.append(dict(label=label, url_params=url_params, default=default))
 
+    return params_list
 
 
 class ScaleMixin(object):

kfet/views.py

@@ -76,7 +76,7 @@ from kfet.models import (
     Transfer,
     TransferGroup,
 )
-from kfet.statistic import ScaleMixin, WeekScale, last_stats_manifest
+from kfet.statistic import DayScale, MonthScale, ScaleMixin, WeekScale, scale_url_params
 
 from .auth import KFET_GENERIC_TRIGRAMME
 from .auth.views import (  # noqa
@@ -2244,10 +2244,11 @@ class SingleResumeStat(JSONDetailView):
     On peut aussi définir `stats` dynamiquement, via la fonction `get_stats`.
     """
 
-    nb_default = 0
-
-    stats = []
     url_stat = None
+    stats = []
+
+    def get_stats(self):
+        return self.stats
 
     def get_context_data(self, **kwargs):
         # On n'hérite pas
@@ -2271,10 +2272,10 @@ class SingleResumeStat(JSONDetailView):
                     "url": "{url}{params}".format(
                         url=reverse(self.url_stat, args=[url_pk]), params=url_params
                     ),
+                    "default": stat_def.get("default", False),
                 }
             )
         context["stats"] = stats
-        context["default_stat"] = self.nb_default
         return context
 
 
@@ -2310,12 +2311,9 @@ class AccountStatBalanceList(UserAccountMixin, SingleResumeStat):
         {"label": "Tout le temps"},
         {"label": "1 an", "url_params": {"last_days": 365}},
         {"label": "6 mois", "url_params": {"last_days": 183}},
-        {"label": "3 mois", "url_params": {"last_days": 90}},
+        {"label": "3 mois", "url_params": {"last_days": 90}, "default": True},
         {"label": "30 jours", "url_params": {"last_days": 30}},
     ]
-    nb_default = 0
-
-
 
 
 @method_decorator(login_required, name="dispatch")
@@ -2427,7 +2425,6 @@ class AccountStatBalance(UserAccountMixin, JSONDetailView):
         return context
 
 
-
 # ------------------------
 # Consommation personnelle
 # ------------------------
@@ -2442,11 +2439,22 @@ class AccountStatOperationList(UserAccountMixin, SingleResumeStat):
     model = Account
     slug_url_kwarg = "trigramme"
     slug_field = "trigramme"
-    nb_default = 2
-    stats = last_stats_manifest(types=[Operation.PURCHASE])
     url_stat = "kfet.account.stat.operation"
 
+    def get_stats(self):
+        scales_def = [
+            (
+                "Tout le temps",
+                MonthScale,
+                {"last": True, "begin": self.object.created_at},
+                False,
+            ),
+            ("1 an", MonthScale, {"last": True, "n_steps": 12}, False),
+            ("3 mois", WeekScale, {"last": True, "n_steps": 13}, True),
+            ("2 semaines", DayScale, {"last": True, "n_steps": 14}, False),
+        ]
 
+        return scale_url_params(scales_def, types=[Operation.PURCHASE])
 
 
 @method_decorator(login_required, name="dispatch")
@@ -2510,8 +2518,22 @@ class ArticleStatSalesList(SingleResumeStat):
     model = Article
     nb_default = 2
     url_stat = "kfet.article.stat.sales"
-    stats = last_stats_manifest()
 
+    def get_stats(self):
+        first_conso = (
+            Operation.objects.filter(article=self.object)
+            .order_by("group__at")
+            .first()
+            .group.at
+        )
+        scales_def = [
+            ("Tout le temps", MonthScale, {"last": True, "begin": first_conso}, False),
+            ("1 an", MonthScale, {"last": True, "n_steps": 12}, False),
+            ("3 mois", WeekScale, {"last": True, "n_steps": 13}, True),
+            ("2 semaines", DayScale, {"last": True, "n_steps": 14}, False),
+        ]
+
+        return scale_url_params(scales_def)
 
 
 @method_decorator(teamkfet_required, name="dispatch")