toaster: Build dashboard implementation

This patch adds the build dashboard page implementation,
which is the landing page for the Toaster GUI.

Also adds correct links from the main build page
to the various parts of the dashboard.

    [YOCTO #4258]

Signed-off-by: Alexandru DAMIAN <alexandru.damian@intel.com>

1 files changed, 18 insertions, 0 deletions

diff --git a/lib/toaster/toastergui/templatetags/projecttags.py b/lib/toaster/toastergui/templatetags/projecttags.py
index 5f6037993..145502675 100644
--- a/lib/toaster/toastergui/templatetags/projecttags.py
+++ b/lib/toaster/toastergui/templatetags/projecttags.py
@@ -29,3 +29,21 @@ def time_difference(start_time, end_time):
 def timespent(build_object):
     tdsec = (build_object.completed_on - build_object.started_on).total_seconds()
     return "%02d:%02d:%02d" % (int(tdsec/3600), int((tdsec - tdsec/ 3600)/ 60), int(tdsec) % 60)
+
+@register.assignment_tag
+def query(qs, **kwargs):
+    """ template tag which allows queryset filtering. Usage:
+          {% query books author=author as mybooks %}
+          {% for book in mybooks %}
+            ...
+          {% endfor %}
+    """
+    return qs.filter(**kwargs)
+
+@register.filter
+def divide(value, arg):
+    return int(value) / int(arg)
+
+@register.filter
+def multiply(value, arg):
+    return int(value) * int(arg)