routine to find shortest course completion

If rowing through start box more than 1 time, it checks for every
passing of the start box

rowers/tasks.py

@@ -70,7 +70,7 @@ siteurl = SITE_URL
 # testing task
 
 from rowers.emails import send_template_email
-from rowers.courseutils import coursetime_paths, coursetime_first
+from rowers.courseutils import coursetime_paths, coursetime_first, time_in_path
 
 @app.task
 def add(x, y):
@@ -276,21 +276,56 @@ def handle_check_race_course(self,
         path = polygon_to_path(polygon,debug=debug)
         paths.append(path)
 
-    (
-        coursetimeseconds,
-        coursemeters,
-        coursecompleted,
-        
-    ) = coursetime_paths(rowdata,paths)
-    (
-        coursetimefirst,
-        coursemetersfirst,
-        firstcompleted
-    ) = coursetime_first(
-        rowdata,paths)
+    # check how many times went through start polygon
+    entrytimes,entrydistances = time_in_path(rowdata,paths[0],maxmin='max',getall=True)
 
-    coursetimeseconds = coursetimeseconds-coursetimefirst
-    coursemeters = coursemeters-coursemetersfirst
+    cseconds = []
+    cmeters = []
+    ccomplete = []
+    
+    for startt in entrytimes:
+    
+        rowdata2 = rowdata[rowdata['time']>(startt-10.)]
+
+        (
+            coursetimeseconds,
+            coursemeters,
+            coursecompleted,
+            
+        ) = coursetime_paths(rowdata2,paths)
+        (
+            coursetimefirst,
+            coursemetersfirst,
+            firstcompleted
+        ) = coursetime_first(
+            rowdata2,paths)
+
+
+
+        coursetimeseconds = coursetimeseconds-coursetimefirst
+        coursemeters = coursemeters-coursemetersfirst
+
+        cseconds.append(coursetimeseconds)
+        cmeters.append(coursemeters)
+        ccomplete.append(coursecompleted)
+
+
+    records = pd.DataFrame({
+        'coursetimeseconds':cseconds,
+        'coursecompleted': ccomplete,
+        'coursemeters': cmeters
+        })
+
+    records = records[records['coursecompleted'] == True]
+
+    if len(records):
+        coursecompleted = True
+        mintime = records['coursetimeseconds'].min()
+        coursetimeseconds = records[records['coursetimeseconds'] == mintime]['coursetimeseconds'].min()
+        coursemeters = records[records['coursetimeseconds'] == mintime]['coursemeters'].min()
+    else:
+        coursecompleted = False
+        
 
     if coursecompleted:
         query = 'UPDATE rowers_virtualraceresult SET coursecompleted = 1, duration = "{duration}", distance = {distance}, workoutid = {workoutid} WHERE id={recordid}'.format(