Show mbox stats in process view

public/templates/public/process.html

@@ -4,7 +4,7 @@
 
 {% block head_resources %}
 {{block.super}}
-{% jsinclude "nm" %}
+{% jsinclude "nm,sparkline" %}
 {% endblock %}
 
 {% block head %}
@@ -61,6 +61,14 @@ $(function() {
         shortcuts_found = true;
     });
     $("#shortcuts").toggle(shortcuts_found);
+
+    $(".mbox_sparkline").sparkline("html", {
+      type: "bar",
+      barColor: "#005382",
+      negBarColor: "#823000",
+      chartRangeMin: 0,
+      chartRangeMax: 30
+    });
 });
 </script>
 {% endblock %}
@@ -145,6 +153,16 @@ See: <a href="http://lists.debian.org/debian-project/2010/09/msg00026.html">hand
             (no mail archive yet)
             {% endif %}
         </td>
+    </tr>
+    <tr><th>Mailbox stats</th>
+        <td>{{mbox_stats.date_first_py|date:"Y-m-d"}} to {{mbox_stats.date_last_py|date:"Y-m-d"}},
+            {{mbox_stats.num_mails}} mails,
+            {% if mbox_stats.median_py %}
+              {% if mbox_stats.median_py.days %}{{mbox_stats.median_py.days}}d {% endif %}{{mbox_stats.median_hours}}h
+            {% endif %}
+            <span class="mbox_sparkline" values="{{mbox_stats.response_time|join:","}}"></span>
+        </td>
+    </tr>
     {% endif %}
 </table>
 {% if "edit_bio" in vperms.perms or "edit_ldap" in vperms.perms %}

public/views.py

@@ -21,6 +21,7 @@ from __future__ import absolute_import
 from __future__ import division
 from __future__ import unicode_literals
 from django import http, forms
+from django.conf import settings
 from django.shortcuts import redirect, render, get_object_or_404
 from django.core.urlresolvers import reverse
 from django.core.exceptions import PermissionDenied
@@ -35,6 +36,7 @@ from backend.mixins import VisitorMixin, VisitorTemplateView, VisitPersonTemplat
 from .email_stats import mailbox_get_gaps
 import markdown
 import datetime
+import os
 import json
 
 def lookup_or_404(dict, key):
@@ -215,6 +217,24 @@ class Process(VisitorTemplateView):
         if self.visitor:
             ctx["wizards"] = self.build_wizards(process)
 
+        # Mailbox statistics
+        # TODO: move saving per-process stats into a JSON field in Process
+        try:
+            with open(os.path.join(settings.DATA_DIR, 'mbox_stats.json'), "rt") as infd:
+                stats = json.load(infd)
+        except OSError:
+            stats = {}
+
+        stats = stats.get("process", {})
+        stats = stats.get(process.lookup_key, {})
+        stats["date_first_py"] = datetime.datetime.fromtimestamp(stats["date_first"])
+        stats["date_last_py"] = datetime.datetime.fromtimestamp(stats["date_last"])
+        if "median" not in stats or stats["median"] is None:
+            stats["median_py"] = None
+        else:
+            stats["median_py"] = datetime.timedelta(seconds=stats["median"])
+            stats["median_hours"] = stats["median_py"].seconds // 3600
+        ctx["mbox_stats"] = stats
         return ctx
 
     def build_wizards(self, process):