nummi/main/models.py

@@ -194,7 +194,7 @@ class Snapshot(models.Model):
     @property
     def sum(self):
         if self.previous is None:
-            return 0
+            return None
         trans = self.transactions.aggregate(sum=models.Sum("value"))
         return trans["sum"] or 0
 
@@ -206,24 +206,6 @@ class Snapshot(models.Model):
             date__lte=self.date, date__gt=self.previous.date
         )
 
-    @property
-    def pos(self):
-        return (
-            self.transactions.filter(value__gt=0).aggregate(sum=models.Sum("value"))[
-                "sum"
-            ]
-            or 0
-        )
-
-    @property
-    def neg(self):
-        return (
-            self.transactions.filter(value__lt=0).aggregate(sum=models.Sum("value"))[
-                "sum"
-            ]
-            or 0
-        )
-
     class Meta:
         ordering = ["-date"]
         verbose_name = _("Snapshot")

nummi/nummi/urls.py

@@ -20,7 +20,6 @@ from django.views.generic.base import RedirectView
 
 urlpatterns = i18n_patterns(
     path("", include("main.urls")),
-    path("plot/", include("plot.urls")),
     path("admin/", admin.site.urls),
     prefix_default_language=False,
 )

nummi/plot/admin.py

@@ -1,3 +0,0 @@
-from django.contrib import admin
-
-# Register your models here.

nummi/plot/apps.py

@@ -1,6 +0,0 @@
-from django.apps import AppConfig
-
-
-class PlotConfig(AppConfig):
-    default_auto_field = "django.db.models.BigAutoField"
-    name = "plot"

nummi/plot/models.py

@@ -1,3 +0,0 @@
-from django.db import models
-
-# Create your models here.

nummi/plot/nummi.mplstyle

@@ -1,13 +0,0 @@
-font.family: Inter
-
-lines.linewidth: 2
-
-figure.autolayout: True
-figure.figsize: 8, 4
-figure.dpi: 300
-
-axes.prop_cycle: cycler('color', ["66cc66", "#338033", "#99ff99", "#802653", "#cc6699"])
-axes.axisbelow: True
-axes.grid: True
-
-svg.fonttype: none

nummi/plot/tests.py

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

nummi/plot/urls.py

@@ -1,8 +0,0 @@
-from django.urls import path
-
-from . import views
-
-urlpatterns = [
-    path("timeline", views.timeline, name="timeline"),
-    path("categories", views.categories, name="categories"),
-]

nummi/plot/views.py

@@ -1,65 +0,0 @@
-import io
-
-import matplotlib
-import matplotlib.pyplot as plt
-from matplotlib import dates as mdates
-from django.db import models
-from django.contrib.auth.decorators import login_required
-from django.http import HttpResponse
-from django.utils.translation import gettext as _
-
-from main.models import (
-    Transaction,
-    Invoice,
-    Category,
-    Snapshot,
-)
-
-
-matplotlib.use("Agg")
-plt.style.use("./plot/nummi.mplstyle")
-
-
-@login_required
-def timeline(request):
-    _snapshots = Snapshot.objects.all()
-
-    fig, ax = plt.subplots()
-    ax.step(
-        [s.date for s in _snapshots],
-        [s.value for s in _snapshots],
-        where="post",
-    )
-    ax.set(ylabel=_("Snapshots"), ylim=0)
-    ax.xaxis.set_major_formatter(
-        mdates.ConciseDateFormatter(ax.xaxis.get_major_locator())
-    )
-    ax.autoscale(True, "x", True)
-
-    _io = io.StringIO()
-
-    fig.savefig(_io, format="svg")
-
-    return HttpResponse(_io.getvalue(), headers={"Content-Type": "image/svg+xml"})
-
-
-@login_required
-def categories(request):
-    _categories = Category.objects.all()
-
-    fig, ax = plt.subplots(figsize=(8, _categories.count() / 4))
-    ax.barh(
-        [str(c) for c in _categories][::-1],
-        [
-            Transaction.objects.filter(category=c).aggregate(sum=models.Sum("value"))[
-                "sum"
-            ]
-            for c in _categories
-        ][::-1],
-    )
-
-    _io = io.StringIO()
-
-    fig.savefig(_io, format="svg")
-
-    return HttpResponse(_io.getvalue(), headers={"Content-Type": "image/svg+xml"})