better power zones

rowers/views/userviews.py

@@ -618,13 +618,23 @@ def rower_prefs_view(request, userid=0, message=""):
                 hrftp = int((r.an+r.tr)/2.)
             ftp = cd['ftp']
             otwslack = cd['otwslack']
+            cogganzones = cd['cogganzones']
 
             powerfrac = 100*np.array([r.pw_ut2,
                                       r.pw_ut1,
                                       r.pw_at,
                                       r.pw_tr, r.pw_an])/r.ftp
+            if cogganzones:
+                powerfrac = np.array([55.,75.,90.,105.,120.])
+                powerzones = ['Rest',
+                          'Active Recovery',
+                          'Endurance',
+                          'Tempo',
+                          'Threshold',
+                          'Anaerobic']
+                r.powerzones = powerzones
+
             r.ftp = max(min(ftp, 650), 50)
-            r.otwslack = max(min(otwslack, 50), 0)
             ut2, ut1, at, tr, an = (r.ftp*powerfrac/100.).astype(int)
             r.pw_ut2 = ut2
             r.pw_ut1 = ut1
@@ -632,7 +642,10 @@ def rower_prefs_view(request, userid=0, message=""):
             r.pw_tr = tr
             r.pw_an = an
             r.hrftp = hrftp
+            r.otwslack = max(min(otwslack, 50), 0)
             r.save()
+            powerzonesform = RowerPowerZonesForm(instance=r)
+
             message = "FTP and/or OTW slack values changed."
             messages.info(request, message)