Split up trips page and sort like conference page

Closes: #94

templates/trips.html

@@ -2,6 +2,8 @@
 
 {% from "macros.html" import display_date_no_year, conference_row, accommodation_row, flight_row, train_row with context %}
 
+{% set row = { "flight": flight_row, "train": train_row } %}
+
 {% block style %}
 {% set conference_column_count = 6 %}
 {% set accommodation_column_count = 7 %}
@@ -34,13 +36,10 @@
 </style>
 {% endblock %}
 
-{% block content %}
-<div class="p-2">
-
-  {% set row = { "flight": flight_row, "train": train_row } %}
-
-  <h1>Trips</h1>
-  {% for trip in trips %}
+{% macro section(heading, item_list, badge) %}
+  {% if item_list %}
+    <div class="heading"><h2>{{ heading }}</h2></div>
+    {% for trip in item_list %}
       {% set end = trip.end %}
       <div class="border border-2 rounded mb-2 p-2">
         <h3>{{ trip.title }} <small class="text-muted">({{ trip.start.strftime("%b %Y") }})</small></h3>
@@ -69,7 +68,18 @@
         </div>
       </div>
     {% endfor %}
+  {% endif %}
+{% endmacro %}
+
+
+{% block content %}
+<div class="p-2">
+
+
+  <h1>Trips</h1>
+    {{ section("Current", current, "attending") }}
+    {{ section("Future", future, "going") }}
+    {{ section("Past", past|reverse, "went") }}
 </div>
 
 {% endblock %}
-

web_view.py

@@ -164,9 +164,8 @@ def load_travel(travel_type: str) -> list[StrDict]:
     return items
 
 
-@app.route("/trip")
-def trip_list() -> str:
-    """Page showing a list of trips."""
+def build_trip_list() -> list[Trip]:
+    """Generate list of trips."""
     trips: dict[date, Trip] = {}
 
     data_dir = app.config["PERSONAL_DATA"]
@@ -190,11 +189,30 @@ def trip_list() -> str:
                 trips[start] = Trip(start=start)
             getattr(trips[start], key).append(item)
 
-    trip_list = [trip for _, trip in sorted(trips.items(), reverse=True)]
+    return [trip for _, trip in sorted(trips.items())]
+
+
+@app.route("/trip")
+def trip_list() -> str:
+    """Page showing a list of trips."""
+    trip_list = build_trip_list()
+
+    today = date.today()
+    current = [
+        item
+        for item in trip_list
+        if item.start <= today and (item.end or item.start) >= today
+    ]
+
+    past = [item for item in trip_list if (item.end or item.start) < today]
+    future = [item for item in trip_list if item.start > today]
 
     return flask.render_template(
         "trips.html",
-        trips=trip_list,
+        current=current,
+        past=past,
+        future=future,
+        today=today,
         get_country=agenda.get_country,
         format_list_with_ampersand=format_list_with_ampersand,
     )