diff --git a/templates/macros.html b/templates/macros.html
index f7926e6..cd331cd 100644
--- a/templates/macros.html
+++ b/templates/macros.html
@@ -3,6 +3,10 @@
{% macro display_date(dt) %}{{ dt.strftime("%a %-d %b %Y") }}{% endmacro %}
{% macro display_date_no_year(dt) %}{{ dt.strftime("%a %-d %b") }}{% endmacro %}
+{% macro trip_link(trip) %}
+ {{ trip.title }}
+{% endmacro %}
+
{% macro conference_row(item, badge) %}
{% set country = get_country(item.country) if item.country else None %}
{{ item.start.strftime("%a, %d %b %Y") }}
diff --git a/templates/trip_page.html b/templates/trip_page.html
index a4157a6..45d4ec1 100644
--- a/templates/trip_page.html
+++ b/templates/trip_page.html
@@ -1,6 +1,6 @@
{% extends "base.html" %}
-{% from "macros.html" import display_date_no_year, display_date, conference_row, accommodation_row, flight_row, train_row with context %}
+{% from "macros.html" import trip_link, display_date_no_year, display_date, conference_row, accommodation_row, flight_row, train_row with context %}
{% set row = { "flight": flight_row, "train": train_row } %}
@@ -77,6 +77,11 @@
{% endfor %}
+
+ {% if prev_trip %}previous: {{ trip_link(prev_trip) }}{% endif %}
+ {% if next_trip %}next: {{ trip_link(next_trip) }}{% endif %}
+
+
{% if coordinates %}
{% endif %}
diff --git a/web_view.py b/web_view.py
index 2f17afb..0c57977 100755
--- a/web_view.py
+++ b/web_view.py
@@ -191,10 +191,15 @@ def trip_list() -> str:
@app.route("/trip/")
def trip_page(start: str) -> str:
"""Individual trip page."""
- trip_list = agenda.trip.build_trip_list()
+ trip_iter = iter(agenda.trip.build_trip_list())
today = date.today()
- trip = next((trip for trip in trip_list if trip.start.isoformat() == start), None)
+ prev_trip = None
+ for trip in trip_iter:
+ if trip.start.isoformat() == start:
+ break
+ prev_trip = trip
+ next_trip = next(trip_iter, None)
if not trip:
flask.abort(404)
@@ -208,6 +213,8 @@ def trip_page(start: str) -> str:
return flask.render_template(
"trip_page.html",
trip=trip,
+ prev_trip=prev_trip,
+ next_trip=next_trip,
today=today,
coordinates=coordinates,
routes=routes,