Fixes #19

longclaw/longclawsettings/context_processors.py

@@ -0,0 +1,8 @@
+from longclaw.longclawsettings.models import LongclawSettings
+
+def currency(request):
+    settings = LongclawSettings.for_site(request.site)
+    return {
+        'currency_html_code': settings.currency_html_code,
+        'currency': settings.currency
+    }

longclaw/longclawstats/stats.py

@@ -1,10 +1,11 @@
 '''
 Various stats/analysis calculations
 '''
+import itertools
 import calendar
 from datetime import datetime
-from django.db.models import Q
+from django.db.models import Q, Sum, F
-from longclaw.longclaworders.models import Order
+from longclaw.longclaworders.models import Order, OrderItem
 
 
 def current_month():
@@ -24,3 +25,24 @@ def sales_for_time_period(from_date, to_date):
     ).exclude(status=Order.CANCELLED)
 
     return sales
+
+
+def daily_sales(from_date, to_date):
+    sales = sales_for_time_period(from_date, to_date)
+    grouped = itertools.groupby(sales, lambda order: order.payment_date.strftime("%Y-%m-%d"))
+    return grouped
+
+def sales_by_product(from_date, to_date):
+    sales = OrderItem.objects.filter(
+        Q(order__payment_date__lte=to_date) & Q(order__payment_date__gte=from_date)
+    ).exclude(
+        order__status=Order.CANCELLED
+    ).annotate(
+        title=F('product__product__title')
+    ).values(
+        'title'
+    ).annotate(
+        quantity=Sum('quantity')
+    ).order_by('-quantity')
+
+    return sales

longclaw/longclawstats/templates/longclawhome/summary_item.html

@@ -1,5 +0,0 @@
-<li class="icon icon-doc-empty-inverse">
-<a href="{{ url }}">
-  <span>{{ total }}</span> {{ text }}
-</a>
-</li>

longclaw/longclawstats/templates/longclawstats/stats_panel.html

@@ -0,0 +1,97 @@
+{% load i18n wagtailadmin_tags %}
+
+<section class="panel nice-padding">
+
+  <div class="col6">
+    <canvas id="daily-sales" width="100" height="75"></canvas>
+    <br>
+  </div>
+
+  <div class="col6">
+    <canvas id="popular-products" width="100" height="75"></canvas>
+    <br>
+  </div>
+</section>
+
+<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.5.0/Chart.bundle.min.js"></script>
+
+<script>
+  var ctx = document.getElementById("daily-sales");
+  var data = {
+    labels: {{ labels|safe }},
+  datasets: [
+    {
+      data: {{ daily_income }}
+      }
+  ]
+  };
+  var dailySalesChart = new Chart(ctx, {
+    type: 'line',
+    data: data,
+    options: {
+      title: {
+        display: true,
+        text: 'Revenue this month'
+      },
+      legend: {
+        display: false
+      },
+      scales: {
+        xAxes: [{
+              scaleLabel: {
+                  display: true,
+                  labelString: 'Date'
+                }
+            }],
+        yAxes: [{
+          scaleLabel: {
+              display: true,
+              labelString: 'Revenue ({{currency}})'
+            }
+        }]
+      }
+    }
+  });
+
+  var ctx_products = document.getElementById("popular-products");
+  var data = {
+    labels: {{ product_labels|safe }},
+    datasets: [
+      {
+        data: {{ sales_volume }}
+      }
+    ]
+  };
+
+  var popProductsChart = new Chart(ctx_products, {
+    type: 'bar',
+    data: data,
+    options: {
+      title: {
+        display: true,
+        text: 'Popular products this month'
+      },
+      scales: {
+            yAxes: [{
+                ticks: {
+                    beginAtZero:true
+                },
+                scaleLabel: {
+                  display: true,
+                  labelString: 'No. Sales'
+                }
+            }],
+            xAxes: [{
+              scaleLabel: {
+                  display: true,
+                  labelString: 'Product Title'
+                }
+            }]
+        },
+      legend: {
+        display: false
+      }
+    }
+  })
+
+</script>

longclaw/longclawstats/templates/longclawstats/summary_item.html

@@ -0,0 +1,5 @@
+<li class="icon {{ icon }}">
+<a href="{{ url }}">
+  <span>{{ total|safe }}</span> {{ text }}
+</a>
+</li>

longclaw/longclawstats/wagtail_hooks.py

@@ -1,47 +1,94 @@
+import datetime
 from wagtail.wagtailcore import hooks
 from wagtail.wagtailadmin.site_summary import SummaryItem
 from longclaw.longclaworders.models import Order
 from longclaw.longclawproducts.models import Product
 from longclaw.longclawstats import stats
+from longclaw.longclawsettings.models import LongclawSettings
 
-class OutstandingOrdersSummary(SummaryItem):
+
+class LongclawSummaryItem(SummaryItem):
+    order = 10
+    template = 'longclawstats/summary_item.html'
+
+    def get_context(self):
+        return {
+            'total': 0,
+            'text': '',
+            'url': '',
+            'icon': 'icon-doc-empty-inverse'
+        }
+
+class OutstandingOrders(LongclawSummaryItem):
     order = 10
-    template = 'longclawhome/summary_item.html'
     def get_context(self):
         orders = Order.objects.filter(status=Order.SUBMITTED)
         return {
             'total': orders.count(),
             'text': 'Outstanding Orders',
-            'url': '/admin/longclaworders/order/'
+            'url': '/admin/longclaworders/order/',
+            'icon': 'icon-warning'
         }
 
-class ProductCount(SummaryItem):
+class ProductCount(LongclawSummaryItem):
     order = 20
-    template = 'longclawhome/summary_item.html'
     def get_context(self):
         return {
             'total': Product.objects.all().count(),
             'text': 'Products',
-            'url': ''
+            'url': '',
+            'icon': 'icon-list-ul'
         }
 
-class MonthlySales(SummaryItem):
+class MonthlySales(LongclawSummaryItem):
     order = 30
-    template = 'longclawhome/summary_item.html'
     def get_context(self):
+        settings = LongclawSettings.for_site(self.request.site)
         sales = stats.sales_for_time_period(*stats.current_month())
         return {
-            'total': sum(order.total for order in sales),
+            'total': "{}{}".format(settings.currency_html_code,
-            'text': 'Sales this month',
+                                   sum(order.total for order in sales)),
-            'url': '/admin/longclaworders/order/'
+            'text': 'In sales this month',
+            'url': '/admin/longclaworders/order/',
+            'icon': 'icon-tick'
         }
 
+class LongclawStatsPanel(SummaryItem):
+    order = 110
+    template = 'longclawstats/stats_panel.html'
+    def get_context(self):
+        month_start, month_end = stats.current_month()
+        daily_sales = stats.daily_sales(month_start, month_end)
+        labels = [(month_start + datetime.timedelta(days=x)).strftime('%Y-%m-%d')
+                  for x in range(0, datetime.datetime.now().day)]
+        daily_income = [0] * len(labels)
+        for k, order_group in daily_sales:
+            i = labels.index(k)
+            daily_income[i] = float(sum(order.total for order in order_group))
+
+        popular_products = stats.sales_by_product(month_start, month_end)[:5]
+        print(popular_products)
+        return {
+            "daily_income": daily_income,
+            "labels": labels,
+            "product_labels": list(popular_products.values_list('title', flat=True)),
+            "sales_volume": list(popular_products.values_list('quantity', flat=True))
+        }
+
+
+
+
 @hooks.register('construct_homepage_summary_items')
 def add_longclaw_summary_items(request, items):
-    for item in items:
+
-        items.remove(item)
+    # We are going to replace everything with our own items
+    items[:] = []
     items.extend([
-        OutstandingOrdersSummary(request),
+        OutstandingOrders(request),
         ProductCount(request),
         MonthlySales(request)
     ])
+
+@hooks.register('construct_homepage_panels')
+def add_stats_panel(request, panels):
+    return panels.append(LongclawStatsPanel(request))

longclaw/project_template/project_name/settings/base.py

@@ -93,6 +93,7 @@ TEMPLATES = [
                 'django.template.context_processors.request',
                 'django.contrib.auth.context_processors.auth',
                 'django.contrib.messages.context_processors.messages',
+                'longclaw.longclawsettings.context_processors.currency',
             ],
         },
     },