Merge pull request #632 from SchrodingersGat/database-stats

Database stats

InvenTree/InvenTree/static/script/inventree/inventree.js

@@ -41,6 +41,13 @@ function inventreeDocReady() {
 
         modal.modal('show');
     });
+
+    // Callback to launch the 'Database Stats' window
+    $('#launch-stats').click(function() {
+        launchModalForm("/stats/", {
+            no_post: true,
+        });
+    });
 }
 
 function isFileTransfer(transfer) {

InvenTree/InvenTree/urls.py

@@ -33,7 +33,8 @@ from django.conf.urls.static import static
 from django.views.generic.base import RedirectView
 from rest_framework.documentation import include_docs_urls
 
-from .views import IndexView, SearchView, SettingsView, EditUserView, SetPasswordView
+from .views import IndexView, SearchView, DatabaseStatsView
+from .views import SettingsView, EditUserView, SetPasswordView
 from .views import InfoView
 
 from users.urls import user_urls
@@ -97,6 +98,7 @@ urlpatterns = [
 
     url(r'^index/', IndexView.as_view(), name='index'),
     url(r'^search/', SearchView.as_view(), name='search'),
+    url(r'^stats/', DatabaseStatsView.as_view(), name='stats'),
 
     url(r'^api/', include(apipatterns)),
     url(r'^api-doc/', include_docs_urls(title='InvenTree API')),

InvenTree/InvenTree/views.py

@@ -8,6 +8,7 @@ as JSON objects and passing them to modal forms (using jQuery / bootstrap).
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
+from django.utils.translation import gettext_lazy as _
 from django.template.loader import render_to_string
 from django.http import JsonResponse, HttpResponseRedirect
 
@@ -15,7 +16,8 @@ from django.views import View
 from django.views.generic import UpdateView, CreateView
 from django.views.generic.base import TemplateView
 
-from part.models import Part
+from part.models import Part, PartCategory
+from stock.models import StockLocation, StockItem
 from common.models import InvenTreeSetting
 
 from .forms import DeleteForm, EditUserForm, SetPasswordForm
@@ -537,3 +539,33 @@ class SettingsView(TemplateView):
         ctx['settings'] = InvenTreeSetting.objects.all().order_by('key')
 
         return ctx
+
+
+class DatabaseStatsView(AjaxView):
+    """ View for displaying database statistics """
+
+    ajax_template_name = "stats.html"
+    ajax_form_title = _("Database Statistics")
+
+    def get_context_data(self, **kwargs):
+
+        ctx = {}
+
+        # Part stats
+        ctx['part_count'] = Part.objects.count()
+        ctx['part_cat_count'] = PartCategory.objects.count()
+        
+        # Stock stats
+        ctx['stock_item_count'] = StockItem.objects.count()
+        ctx['stock_loc_count'] = StockLocation.objects.count()
+
+        """
+        TODO: Other ideas for database metrics
+
+        - "Popular" parts (used to make other parts?)
+        - Most ordered part
+        - Most sold part
+        - etc etc etc
+        """
+
+        return ctx

InvenTree/templates/navbar.html

@@ -1,4 +1,5 @@
 {% load static %}
+{% load i18n %}
 
 <nav class="navbar navbar-default navbar-fixed-top">
   <div class="container-fluid">
@@ -6,11 +7,11 @@
       <a class="navbar-brand" id='logo' href="{% url 'index' %}" style="padding-top: 7px; padding-bottom: 5px;"><img src="{% static 'img/inventree.png' %}" width="40" height="40" style="display:block; margin: auto;"/></a>
     </div>
     <ul class="nav navbar-nav">
-      <li><a href="{% url 'part-index' %}">Parts</a></li>
-      <li><a href="{% url 'stock-index' %}">Stock</a></li>
-      <li><a href="{% url 'build-index' %}">Build</a></li>
-      <li><a href="{% url 'company-index' %}">Suppliers</a></li>
-      <li><a href="{% url 'purchase-order-index' %}">Orders</a></li>
+      <li><a href="{% url 'part-index' %}">{% trans "Parts" %}</a></li>
+      <li><a href="{% url 'stock-index' %}">{% trans "Stock" %}</a></li>
+      <li><a href="{% url 'build-index' %}">{% trans "Build" %}</a></li>
+      <li><a href="{% url 'company-index' %}">{% trans "Suppliers" %}</a></li>
+      <li><a href="{% url 'purchase-order-index' %}">{% trans "Orders" %}</a></li>
     </ul>
     <ul class="nav navbar-nav navbar-right">
         {% include "search_form.html" %}
@@ -19,16 +20,17 @@
           <ul class='dropdown-menu'>
               {% if user.is_authenticated %}
               {% if user.is_staff %}
-              <li><a href="/admin/"><span class="glyphicon glyphicon-edit"></span> Admin</a></li>
+              <li><a href="/admin/"><span class="glyphicon glyphicon-edit"></span> {% trans "Admin" %}</a></li>
               <hr>
               {% endif %}
-              <li><a href="{% url 'settings' %}"><span class="glyphicon glyphicon-cog"></span> Settings</a></li>
-              <li><a href="{% url 'logout' %}"><span class="glyphicon glyphicon-log-out"></span> Logout</a></li>
+              <li><a href="{% url 'settings' %}"><span class="glyphicon glyphicon-cog"></span> {% trans "Settings" %}</a></li>
+              <li><a href="{% url 'logout' %}"><span class="glyphicon glyphicon-log-out"></span> {% trans "Logout" %}</a></li>
               {% else %}
-              <li><a href="{% url 'login' %}"><span class="glyphicon glyphicon-log-in"></span> Login</a></li>
+              <li><a href="{% url 'login' %}"><span class="glyphicon glyphicon-log-in"></span> {% trans "Login" %}</a></li>
               {% endif %}
               <hr>  
-              <li id='launch-about'><a href='#'><span class="glyphicon glyphicon-info-sign"></span> About InvenTree</a></li>
+              <li id='launch-about'><a href='#'><span class="glyphicon glyphicon-info-sign"></span> {% trans "About InvenTree" %}</a></li>
+              <li id='launch-stats'><a href='#'><span class='glyphicon glyphicon-stats'></span> {% trans "Statistics" %}</a></li>
             </ul>
           </li> 
     </ul>

InvenTree/templates/stats.html

@@ -0,0 +1,28 @@
+{% load static %}
+{% load inventree_extras %}
+{% load i18n %}
+
+<table class='table table-striped table-condensed'>
+    <tr>
+        <td colspan='2'><b>{% trans "Parts" %}</b></td>
+    </tr>
+    <tr>
+        <td>{% trans "Parts" %}</td>
+        <td>{{ part_count }}</td>
+    </tr>
+    <tr>
+        <td>{% trans "Part Categories" %}</td>
+        <td>{{ part_cat_count }}</td>
+    </tr>
+    <tr>
+        <td colspan="2"><b>{% trans "Stock Items" %}</b></td>
+    </tr>
+    <tr>
+        <td>{% trans "Stock Items" %}</td>
+        <td>{{ stock_item_count }}</td>
+    </tr>
+    <tr>
+        <td>{% trans "Stock Locations" %}</td>
+        <td>{{ stock_loc_count }}</td>
+    </tr>
+</table>