major update

app/stats/views.py

@@ -1,12 +1,30 @@
 from flask import jsonify
-from sqlalchemy import func, or_
 from datetime import date
 from app.stats import stats
+import datetime
 from app import db
 from app.classes.delivery import Delivery_Delivery
 from app.classes.stats_company import Stats_Company, Stats_Company_schema
 from app.classes.stats_customer import Stats_Customer, Stats_Customer_schema
 
+
+def get_monday_date(date_object):
+  """Gets the date of the Monday for the given date."""
+
+  # Get the day of the week as an integer (0 = Monday, 6 = Sunday)
+  day_of_week = date_object.weekday()
+
+  # Calculate the number of days to subtract to get to Monday
+  days_to_monday = day_of_week - 0  # Monday is 0
+
+  # Subtract the days from the given date to get Monday's date
+  monday_date = date_object - datetime.timedelta(days=days_to_monday)
+
+  return monday_date
+
+
+
+
 @stats.route("/calls/add", methods=["PUT"])
 def total_calls_post():
     total_calls_today = (db.session
@@ -149,4 +167,26 @@ def get_user_last_delivery(user_id):
         date_delivered = "no deliveries on record"
     return jsonify({"ok": True,
                     'date': date_delivered,
-                    }), 200
+                    }), 200
+
+
+@stats.route("/gallons/week", methods=["GET"])
+def total_gallons_delivered_this_week():
+    # Get today's date
+    total_gallons = 0
+
+    today = datetime.date.today()
+
+    # Get the date of the Monday for today
+    monday = get_monday_date(today)
+    get_total = (db.session
+                     .query(Delivery_Delivery)
+                     .filter(Delivery_Delivery.when_delivered >= monday)
+                     .filter(Delivery_Delivery.when_delivered <= today)
+                     .all())
+    for f in get_total:
+        total_gallons = total_gallons + f.gallons_delivered
+    return jsonify({"ok": True,
+                    'total': total_gallons,
+                    }), 200
+