added add_effiency and eff calc added to otw_physics

rowers/dataprep.py

@@ -460,7 +460,8 @@ def save_workout_database(f2,r,dosmooth=True,workouttype='rower',
                 if consistencychecks:
                     a_messages.error(r.user,'Failed consistency check: '+key+', autocorrected')
                 else:
-                    a_messages.error(r.user,'Failed consistency check: '+key+', not corrected')
+                    pass
+                    # a_messages.error(r.user,'Failed consistency check: '+key+', not corrected')
     except ZeroDivisionError:
         pass
 
@@ -1259,6 +1260,27 @@ def datafusion(id1,id2,columns,offset):
     
     return df
 
+def add_efficiency(id=0):
+    rowdata,row = getrowdata_db(id=id,doclean=False)
+    power = rowdata['power']
+    pace = rowdata['pace']/1.0e3
+    velo = 500./pace
+    ergpw = 2.8*velo**3
+    efficiency = 100.*ergpw/power
+
+    efficiency = efficiency.replace([-np.inf,np.inf],np.nan)
+    efficiency.fillna(method='ffill')
+    rowdata['efficiency'] = efficiency
+    delete_strokedata(id)
+    if id != 0:
+        rowdata['workoutid'] = id
+        engine = create_engine(database_url, echo=False)
+        with engine.connect() as conn, conn.begin():
+            rowdata.to_sql('strokedata',engine,if_exists='append',index=False)
+        conn.close()
+        engine.dispose()    
+    return rowdata
+
 # This is the main routine.
 # it reindexes, sorts, filters, and smooths the data, then
 # saves it to the stroke_data table in the database