WIP: When selecting an exercise on new workout view, render a graph of exercise progress for the active user

db.py

@@ -462,3 +462,31 @@ class DataBase():
         exercises = self.execute(
             'SELECT exercise_id, name FROM exercise')
         return exercises
+
+    def get_exercise_progress_for_user(self, person_id, exercise_id):
+        topsets = self.execute("""
+            SELECT 
+                T.topset_id, 
+                E.name AS exercise_name,
+                W.person_id,
+                T.workout_id,
+                T.repetitions,
+                T.weight,
+                ROUND((100 * T.weight::NUMERIC::INTEGER) / (101.3 - 2.67123 * T.repetitions), 0)::NUMERIC::INTEGER AS estimated_1rm,
+                W.start_date
+            FROM 
+                topset T
+            JOIN 
+                exercise E ON T.exercise_id = E.exercise_id
+            JOIN 
+                workout W ON T.workout_id = W.workout_id
+            WHERE
+                W.person_id = %s AND
+                E.exercise_id = %s
+            ORDER BY 
+                W.start_date;""", [person_id, exercise_id])
+        # Get a list of all estimated_1rm values
+        estimated_1rm = [t['estimated_1rm'] for t in topsets]
+        # Get a list of all start_dates
+        start_dates = [t['start_date'] for t in topsets]
+        return (estimated_1rm, start_dates)