Various improvements

app.py

@@ -31,12 +31,28 @@ def index():
     return render_template('index.html', destinations=DESTINATIONS, today=today)
 
 
+VALID_MIN_CONNECTIONS = {50, 60, 70, 80, 90, 100, 110, 120}
+VALID_MAX_CONNECTIONS = {60, 70, 80, 90, 100, 110, 120, 130, 140, 150, 160, 170, 180}
+
+
 @app.route('/search')
 def search():
     slug = request.args.get('destination', '')
     travel_date = request.args.get('travel_date', '')
+    try:
+        min_conn = int(request.args.get('min_connection', 50))
+    except ValueError:
+        min_conn = 50
+    if min_conn not in VALID_MIN_CONNECTIONS:
+        min_conn = 50
+    try:
+        max_conn = int(request.args.get('max_connection', 110))
+    except ValueError:
+        max_conn = 110
+    if max_conn not in VALID_MAX_CONNECTIONS:
+        max_conn = 110
     if slug in DESTINATIONS and travel_date:
-        return redirect(url_for('results', slug=slug, travel_date=travel_date))
+        return redirect(url_for('results', slug=slug, travel_date=travel_date, min_connection=min_conn, max_connection=max_conn))
     return redirect(url_for('index'))
 
 
@@ -46,6 +62,19 @@ def results(slug, travel_date):
     if not destination or not travel_date:
         return redirect(url_for('index'))
 
+    try:
+        min_connection = int(request.args.get('min_connection', 50))
+    except ValueError:
+        min_connection = 50
+    if min_connection not in VALID_MIN_CONNECTIONS:
+        min_connection = 50
+    try:
+        max_connection = int(request.args.get('max_connection', 110))
+    except ValueError:
+        max_connection = 110
+    if max_connection not in VALID_MAX_CONNECTIONS:
+        max_connection = 110
+
     user_agent = request.headers.get('User-Agent', rtt_scraper.DEFAULT_UA)
 
     rtt_cache_key = f"rtt_{travel_date}"
@@ -78,7 +107,7 @@ def results(slug, travel_date):
             msg = f"Could not fetch Eurostar times: {e}"
             error = f"{error}; {msg}" if error else msg
 
-    trips = combine_trips(gwr_trains, eurostar_trains, travel_date)
+    trips = combine_trips(gwr_trains, eurostar_trains, travel_date, min_connection, max_connection)
 
     dt = date.fromisoformat(travel_date)
     prev_date = (dt - timedelta(days=1)).isoformat()
@@ -103,6 +132,10 @@ def results(slug, travel_date):
         error=error,
         eurostar_url=eurostar_url,
         rtt_url=rtt_url,
+        min_connection=min_connection,
+        max_connection=max_connection,
+        valid_min_connections=sorted(VALID_MIN_CONNECTIONS),
+        valid_max_connections=sorted(VALID_MAX_CONNECTIONS),
     )
 
 

templates/base.html

@@ -4,6 +4,7 @@
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1">
   <title>Bristol to Europe via Eurostar</title>
+  <link rel="icon" href="/static/favicon.svg" type="image/svg+xml">
   <style>
     *, *::before, *::after { box-sizing: border-box; }
 

templates/index.html

@@ -25,6 +25,30 @@
         style="width:100%;padding:0.6rem 0.8rem;font-size:1rem;border:1px solid #cbd5e0;border-radius:4px">
     </div>
 
+    <div style="margin-bottom:1.2rem">
+      <label for="min_connection" style="display:block;font-weight:600;margin-bottom:0.4rem">
+        Minimum connection time (Paddington &rarr; St&nbsp;Pancras)
+      </label>
+      <select id="min_connection" name="min_connection"
+        style="width:100%;padding:0.6rem 0.8rem;font-size:1rem;border:1px solid #cbd5e0;border-radius:4px">
+        {% for mins in [50, 60, 70, 80, 90, 100, 110, 120] %}
+          <option value="{{ mins }}" {% if mins == 50 %}selected{% endif %}>{{ mins }} min</option>
+        {% endfor %}
+      </select>
+    </div>
+
+    <div style="margin-bottom:1.5rem">
+      <label for="max_connection" style="display:block;font-weight:600;margin-bottom:0.4rem">
+        Maximum connection time (Paddington &rarr; St&nbsp;Pancras)
+      </label>
+      <select id="max_connection" name="max_connection"
+        style="width:100%;padding:0.6rem 0.8rem;font-size:1rem;border:1px solid #cbd5e0;border-radius:4px">
+        {% for mins in [60, 70, 80, 90, 100, 110, 120, 130, 140, 150, 160, 170, 180] %}
+          <option value="{{ mins }}" {% if mins == 110 %}selected{% endif %}>{{ mins }} min</option>
+        {% endfor %}
+      </select>
+    </div>
+
     <button type="submit"
       style="background:#00539f;color:#fff;border:none;padding:0.75rem 2rem;
              font-size:1rem;font-weight:600;border-radius:4px;cursor:pointer">

templates/results.html

@@ -10,14 +10,47 @@
     Bristol Temple Meads → {{ destination }}
   </h2>
   <div style="display:flex;align-items:center;gap:0.75rem;margin-bottom:0.5rem">
-    <a href="{{ url_for('results', slug=slug, travel_date=prev_date) }}"
+    <a href="{{ url_for('results', slug=slug, travel_date=prev_date, min_connection=min_connection, max_connection=max_connection) }}"
        style="padding:0.3rem 0.75rem;border:1px solid #cbd5e0;border-radius:4px;
               text-decoration:none;color:#00539f;font-size:0.9rem">&larr; Prev</a>
     <strong>{{ travel_date_display }}</strong>
-    <a href="{{ url_for('results', slug=slug, travel_date=next_date) }}"
+    <a href="{{ url_for('results', slug=slug, travel_date=next_date, min_connection=min_connection, max_connection=max_connection) }}"
        style="padding:0.3rem 0.75rem;border:1px solid #cbd5e0;border-radius:4px;
               text-decoration:none;color:#00539f;font-size:0.9rem">Next &rarr;</a>
   </div>
+  <div style="margin-top:0.75rem;display:flex;gap:1.5rem;align-items:center">
+    <div>
+      <label for="min_conn_select" style="font-size:0.9rem;font-weight:600;margin-right:0.5rem">
+        Min connection:
+      </label>
+      <select id="min_conn_select"
+        onchange="applyConnectionFilter()"
+        style="padding:0.3rem 0.6rem;font-size:0.9rem;border:1px solid #cbd5e0;border-radius:4px">
+        {% for mins in valid_min_connections %}
+          <option value="{{ mins }}" {% if mins == min_connection %}selected{% endif %}>{{ mins }} min</option>
+        {% endfor %}
+      </select>
+    </div>
+    <div>
+      <label for="max_conn_select" style="font-size:0.9rem;font-weight:600;margin-right:0.5rem">
+        Max connection:
+      </label>
+      <select id="max_conn_select"
+        onchange="applyConnectionFilter()"
+        style="padding:0.3rem 0.6rem;font-size:0.9rem;border:1px solid #cbd5e0;border-radius:4px">
+        {% for mins in valid_max_connections %}
+          <option value="{{ mins }}" {% if mins == max_connection %}selected{% endif %}>{{ mins }} min</option>
+        {% endfor %}
+      </select>
+    </div>
+  </div>
+  <script>
+    function applyConnectionFilter() {
+      var min = document.getElementById('min_conn_select').value;
+      var max = document.getElementById('max_conn_select').value;
+      window.location = '{{ url_for('results', slug=slug, travel_date=travel_date) }}?min_connection=' + min + '&max_connection=' + max;
+    }
+  </script>
   <p style="color:#4a5568;margin:0">
     {{ gwr_count }} GWR service{{ 's' if gwr_count != 1 }}
     &nbsp;&middot;&nbsp;
@@ -96,7 +129,7 @@
 </div>
 
 <p style="margin-top:1rem;font-size:0.82rem;color:#718096">
-  Paddington &rarr; St&nbsp;Pancras connection: 60&nbsp;min minimum, 2h maximum.
+  Paddington &rarr; St&nbsp;Pancras connection: {{ min_connection }}&ndash;{{ max_connection }}&nbsp;min.
   Eurostar times are from the general timetable and may vary; always check
   <a href="{{ eurostar_url }}" target="_blank" rel="noopener">eurostar.com</a> to book.
   &nbsp;&middot;&nbsp;
@@ -114,7 +147,7 @@
     {% elif eurostar_count == 0 %}
       No Eurostar services found for {{ destination }} on this date.
     {% else %}
-      No GWR&nbsp;+&nbsp;Eurostar combination allows an 80-minute connection at Paddington/St&nbsp;Pancras.
+      No GWR&nbsp;+&nbsp;Eurostar combination has at least a {{ min_connection }}-minute connection at Paddington/St&nbsp;Pancras.
     {% endif %}
   </p>
 </div>

trip_planner.py

@@ -27,6 +27,8 @@ def combine_trips(
     gwr_trains: list[dict],
     eurostar_trains: list[dict],
     travel_date: str,
+    min_connection_minutes: int = MIN_CONNECTION_MINUTES,
+    max_connection_minutes: int = MAX_CONNECTION_MINUTES,
 ) -> list[dict]:
     """
     Return a list of valid combined trips, sorted by Bristol departure time.
@@ -53,7 +55,7 @@ def combine_trips(
         if int((arr_pad - dep_bri).total_seconds() / 60) > MAX_GWR_MINUTES:
             continue
 
-        earliest_eurostar = arr_pad + timedelta(minutes=MIN_CONNECTION_MINUTES)
+        earliest_eurostar = arr_pad + timedelta(minutes=min_connection_minutes)
 
         # Find only the earliest viable Eurostar for this GWR departure
         for es in eurostar_trains:
@@ -69,7 +71,7 @@ def combine_trips(
 
             if dep_stp < earliest_eurostar:
                 continue
-            if (dep_stp - arr_pad).total_seconds() / 60 > MAX_CONNECTION_MINUTES:
+            if (dep_stp - arr_pad).total_seconds() / 60 > max_connection_minutes:
                 continue
 
             total_mins = int((arr_dest - dep_bri).total_seconds() / 60)