Add day navigation to daily log view

Updated the daily log route and template to support viewing logs for previous and next days using an offset parameter. The default redirect now points to the daily log instead of the dashboard. The daily_log.html template includes navigation buttons for moving between days.

application/user/routes.py

@@ -10,7 +10,7 @@ from flask_login import current_user
 from application import db
 from forms import FoodItemForm
 from models import FoodItem, FoodLog
-from datetime import datetime, timezone
+from datetime import datetime, timezone, timedelta
 
 user_bp = Blueprint(
     "user",
@@ -68,9 +68,15 @@ def edit_food_item(id: int):
 
 
 @user_bp.route("/", methods=["GET"])
-def daily_log():
+@user_bp.route("/<offset>", methods=["GET"])
+def daily_log(offset: int = 0):
+    try:
+        offset = int(offset)
+    except ValueError:
+        abort(400)  # or handle invalid input
     today = datetime.now(timezone.utc).date()
-    logs_today = current_user.food_logs.filter_by(date_=today).all()
+    day = today + timedelta(days=offset)
+    logs_today = current_user.food_logs.filter_by(date_=day).all()
     logs = [[], [], [], []]
     calories: float = 0
     protein: float = 0
@@ -84,12 +90,13 @@ def daily_log():
         fat += log.amount * log.food_item.fat_100 / 100
     return render_template(
         "daily_log.html",
-        date=(today.strftime("%d/%m/%y")),
+        date=(day.strftime("%d/%m/%y")),
         logs=logs,
         calories=calories,
         protein=protein,
         carbs=carbs,
         fat=fat,
+        offset=offset,
     )