From 91ca37c84b453e684866e6a24c140e21652a97c8 Mon Sep 17 00:00:00 2001
From: Oliver Walters <oliver.henry.walters@gmail.com>
Date: Sun, 2 Feb 2020 21:51:23 +1100
Subject: [PATCH 1/4] Add stats link to navbac

- Also add translation layer for the navbar
---
 InvenTree/templates/navbar.html | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/InvenTree/templates/navbar.html b/InvenTree/templates/navbar.html
index 2118bd2197..691b73f982 100644
--- a/InvenTree/templates/navbar.html
+++ b/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>

From aa210efad668d86711f1894bb24a5b79e315331b Mon Sep 17 00:00:00 2001
From: Oliver Walters <oliver.henry.walters@gmail.com>
Date: Sun, 2 Feb 2020 22:03:31 +1100
Subject: [PATCH 2/4] Simple skelton for database stats view

---
 InvenTree/InvenTree/static/script/inventree/inventree.js | 6 ++++++
 InvenTree/InvenTree/urls.py                              | 4 +++-
 InvenTree/InvenTree/views.py                             | 8 ++++++++
 InvenTree/templates/stats.html                           | 5 +++++
 4 files changed, 22 insertions(+), 1 deletion(-)
 create mode 100644 InvenTree/templates/stats.html

diff --git a/InvenTree/InvenTree/static/script/inventree/inventree.js b/InvenTree/InvenTree/static/script/inventree/inventree.js
index 90dbacbe35..4f119b6118 100644
--- a/InvenTree/InvenTree/static/script/inventree/inventree.js
+++ b/InvenTree/InvenTree/static/script/inventree/inventree.js
@@ -41,6 +41,12 @@ function inventreeDocReady() {
 
         modal.modal('show');
     });
+
+    // Callback to launch the 'Database Stats' window
+    $('#launch-stats').click(function() {
+        launchModalForm("/stats/", {
+        });
+    });
 }
 
 function isFileTransfer(transfer) {
diff --git a/InvenTree/InvenTree/urls.py b/InvenTree/InvenTree/urls.py
index 31b498ea2b..4b18916828 100644
--- a/InvenTree/InvenTree/urls.py
+++ b/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')),
diff --git a/InvenTree/InvenTree/views.py b/InvenTree/InvenTree/views.py
index 95ad33cba1..2fcef3b76a 100644
--- a/InvenTree/InvenTree/views.py
+++ b/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
 
@@ -537,3 +538,10 @@ 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")
\ No newline at end of file
diff --git a/InvenTree/templates/stats.html b/InvenTree/templates/stats.html
new file mode 100644
index 0000000000..38520bfb01
--- /dev/null
+++ b/InvenTree/templates/stats.html
@@ -0,0 +1,5 @@
+{% load static %}
+{% load inventree_extras %}
+{% load i18n %}
+
+HELLO WORLD
\ No newline at end of file

From 244d364575b87d7be0cbefd1cbd53c8ef59d78f6 Mon Sep 17 00:00:00 2001
From: Oliver Walters <oliver.henry.walters@gmail.com>
Date: Sun, 2 Feb 2020 22:13:10 +1100
Subject: [PATCH 3/4] Display some basic stats

---
 .../static/script/inventree/inventree.js      |  1 +
 InvenTree/InvenTree/views.py                  | 28 +++++++++++++++++--
 InvenTree/templates/stats.html                | 25 ++++++++++++++++-
 3 files changed, 51 insertions(+), 3 deletions(-)

diff --git a/InvenTree/InvenTree/static/script/inventree/inventree.js b/InvenTree/InvenTree/static/script/inventree/inventree.js
index 4f119b6118..04539c6d96 100644
--- a/InvenTree/InvenTree/static/script/inventree/inventree.js
+++ b/InvenTree/InvenTree/static/script/inventree/inventree.js
@@ -45,6 +45,7 @@ function inventreeDocReady() {
     // Callback to launch the 'Database Stats' window
     $('#launch-stats').click(function() {
         launchModalForm("/stats/", {
+            no_post: true,
         });
     });
 }
diff --git a/InvenTree/InvenTree/views.py b/InvenTree/InvenTree/views.py
index 2fcef3b76a..a161d2b103 100644
--- a/InvenTree/InvenTree/views.py
+++ b/InvenTree/InvenTree/views.py
@@ -16,7 +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
@@ -544,4 +545,27 @@ class DatabaseStatsView(AjaxView):
     """ View for displaying database statistics """
 
     ajax_template_name = "stats.html"
-    ajax_form_title = _("Database Statistics")
\ No newline at end of file
+    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
\ No newline at end of file
diff --git a/InvenTree/templates/stats.html b/InvenTree/templates/stats.html
index 38520bfb01..caa2a44cee 100644
--- a/InvenTree/templates/stats.html
+++ b/InvenTree/templates/stats.html
@@ -2,4 +2,27 @@
 {% load inventree_extras %}
 {% load i18n %}
 
-HELLO WORLD
\ No newline at end of file
+<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>
\ No newline at end of file

From ef7fca563310087a45ce3ba979e885a8581b2cfc Mon Sep 17 00:00:00 2001
From: Oliver Walters <oliver.henry.walters@gmail.com>
Date: Sun, 2 Feb 2020 22:15:46 +1100
Subject: [PATCH 4/4] PEP fixes

---
 InvenTree/InvenTree/views.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/InvenTree/InvenTree/views.py b/InvenTree/InvenTree/views.py
index a161d2b103..5121b1bad9 100644
--- a/InvenTree/InvenTree/views.py
+++ b/InvenTree/InvenTree/views.py
@@ -566,6 +566,6 @@ class DatabaseStatsView(AjaxView):
         - Most ordered part
         - Most sold part
         - etc etc etc
-        """ 
+        """
 
-        return ctx
\ No newline at end of file
+        return ctx