It's more precise to say "30 days" than "1 month"

hc/front/templatetags/hc_extras.py

@@ -13,7 +13,6 @@ MINUTE = Unit("minute", 60)
 HOUR = Unit("hour", MINUTE.nsecs * 60)
 DAY = Unit("day", HOUR.nsecs * 24)
 WEEK = Unit("week", DAY.nsecs * 7)
-MONTH = Unit("month", DAY.nsecs * 30)
 
 
 @register.filter
@@ -21,7 +20,11 @@ def hc_duration(td):
     remaining_seconds = int(td.total_seconds())
     result = []
 
-    for unit in (MONTH, WEEK, DAY, HOUR, MINUTE):
+    for unit in (WEEK, DAY, HOUR, MINUTE):
+        if unit == WEEK and remaining_seconds % unit.nsecs != 0:
+            # Say "8 days" instead of "1 week 1 day"
+            continue
+
         v, remaining_seconds = divmod(remaining_seconds, unit.nsecs)
         if v == 1:
             result.append("1 %s" % unit.name)

hc/front/tests/test_hc_extras.py

@@ -14,8 +14,8 @@ class HcExtrasTestCase(TestCase):
             (86400, "1 day"),
             (604800, "1 week"),
             (2419200, "4 weeks"),
-            (2592000, "1 month"),
-            (3801600, "1 month 2 weeks")
+            (2592000, "30 days"),
+            (3801600, "44 days")
         ]
 
         for seconds, expected_result in samples:

static/js/checks.js

@@ -4,13 +4,17 @@ $(function () {
     var HOUR = {name: "hour", nsecs: MINUTE.nsecs * 60};
     var DAY = {name: "day", nsecs: HOUR.nsecs * 24};
     var WEEK = {name: "week", nsecs: DAY.nsecs * 7};
-    var MONTH = {name: "month", nsecs: DAY.nsecs * 30};
-    var UNITS = [MONTH, WEEK, DAY, HOUR, MINUTE];
+    var UNITS = [WEEK, DAY, HOUR, MINUTE];
 
     var secsToText = function(total) {
         var remainingSeconds = Math.floor(total);
         var result = "";
         for (var i=0, unit; unit=UNITS[i]; i++) {
+            if (unit === WEEK && remainingSeconds % unit.nsecs != 0) {
+                // Say "8 days" instead of "1 week 1 day"
+                continue
+            }
+
             var count = Math.floor(remainingSeconds / unit.nsecs);
             remainingSeconds = remainingSeconds % unit.nsecs;