Add meal tracker app: Flask + SQLite with auth, dashboard, 31 passing tests, Docker Compose

meals.py

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+"""Meals blueprint — dashboard, responses, history."""
+
+from datetime import date, datetime, timedelta
+
+from flask import (
+    Blueprint,
+    render_template,
+    request,
+    redirect,
+    url_for,
+    session,
+    flash,
+    jsonify,
+)
+
+from models import get_dashboard_data, upsert_response, ensure_meal_periods
+
+meals_bp = Blueprint("meals", __name__)
+
+
+def login_required(f):
+    """Decorator: redirect to login if not authenticated."""
+    from functools import wraps
+
+    @wraps(f)
+    def wrapper(*args, **kwargs):
+        if "user_id" not in session:
+            return redirect(url_for("auth.login"))
+        return f(*args, **kwargs)
+
+    return wrapper
+
+
+@meals_bp.route("/")
+def index():
+    if "user_id" in session:
+        return redirect(url_for("meals.dashboard"))
+    return redirect(url_for("auth.login"))
+
+
+@meals_bp.route("/dashboard")
+@login_required
+def dashboard():
+    today = date.today()
+
+    # Allow viewing other dates via query param
+    date_str = request.args.get("date")
+    if date_str:
+        try:
+            today = datetime.strptime(date_str, "%Y-%m-%d").date()
+        except ValueError:
+            flash("Invalid date format. Use YYYY-MM-DD.", "error")
+
+    data = get_dashboard_data(today)
+    return render_template(
+        "dashboard.html",
+        dashboard=data,
+        viewing_date=today,
+        today=date.today(),
+        prev_date=today - timedelta(days=1),
+        next_date=today + timedelta(days=1),
+    )
+
+
+@meals_bp.route("/respond", methods=["POST"])
+@login_required
+def respond():
+    meal_type = request.form.get("meal_type", "").strip()
+    status = request.form.get("status", "").strip()
+    date_str = request.form.get("date", date.today().isoformat())
+
+    if meal_type not in ("lunch", "dinner"):
+        flash("Invalid meal type.", "error")
+        return redirect(url_for("meals.dashboard"))
+
+    if status not in ("yes", "no"):
+        flash("Invalid status.", "error")
+        return redirect(url_for("meals.dashboard"))
+
+    try:
+        target_date = datetime.strptime(date_str, "%Y-%m-%d").date()
+    except ValueError:
+        flash("Invalid date.", "error")
+        return redirect(url_for("meals.dashboard"))
+
+    # Only allow responding to today (and not in the past)
+    if target_date < date.today():
+        flash("Cannot change responses for past dates.", "error")
+        return redirect(url_for("meals.dashboard"))
+
+    periods = ensure_meal_periods(target_date)
+    period = next((p for p in periods if p["meal_type"] == meal_type), None)
+    if period is None:
+        flash("Meal period not found.", "error")
+        return redirect(url_for("meals.dashboard"))
+
+    upsert_response(session["user_id"], period["id"], status)
+    return redirect(url_for("meals.dashboard"))
+
+
+@meals_bp.route("/history")
+@login_required
+def history():
+    date_str = request.args.get("date", date.today().isoformat())
+    try:
+        target_date = datetime.strptime(date_str, "%Y-%m-%d").date()
+    except ValueError:
+        target_date = date.today()
+
+    data = get_dashboard_data(target_date)
+    return render_template(
+        "dashboard.html",
+        dashboard=data,
+        viewing_date=target_date,
+        today=date.today(),
+        prev_date=target_date - timedelta(days=1),
+        next_date=target_date + timedelta(days=1),
+        history_mode=True,
+    )