made ranking pieces explicit

rowers/utils.py

@@ -5,6 +5,7 @@ import colorsys
 from django.conf import settings
 
 import uuid
+import datetime
 
 lbstoN = 4.44822
 
@@ -127,6 +128,22 @@ palettes = {
   'yellow_red':trcolors(255,255,178,189,0,39)
 }
 
+rankingdistances = [100,500,1000,2000,5000,6000,10000,21097,42195,100000]
+rankingdurations = []
+rankingdurations.append(datetime.time(minute=1))
+rankingdurations.append(datetime.time(minute=4))
+rankingdurations.append(datetime.time(minute=30))
+rankingdurations.append(datetime.time(hour=1,minute=15))
+rankingdurations.append(datetime.time(hour=1))
+
+
+def is_ranking_piece(workout):
+    if workout.distance in rankingdistances:
+        return True
+    elif workout.duration in rankingdurations:
+        return True
+    
+    return False
 
 def range_to_color_hex(groupcols,palette='monochrome_blue'):