Convert prices to GBP and show

Closes: #120

web_view.py

@@ -2,6 +2,7 @@
 
 """Web page to show upcoming events."""
 
+import decimal
 import inspect
 import operator
 import os.path
@@ -17,6 +18,7 @@ import yaml
 
 import agenda.data
 import agenda.error_mail
+import agenda.fx
 import agenda.holidays
 import agenda.thespacedevs
 import agenda.trip
@@ -125,7 +127,12 @@ def travel_list() -> str:
         if all("distance" in leg for leg in train["legs"]):
             train["distance"] = sum(leg["distance"] for leg in train["legs"])
 
-    return flask.render_template("travel.html", flights=flights, trains=trains)
+    return flask.render_template(
+        "travel.html",
+        flights=flights,
+        trains=trains,
+        fx_rate=agenda.fx.get_rates(app.config),
+    )
 
 
 def as_date(d: date | datetime) -> date:
@@ -151,6 +158,10 @@ def conference_list() -> str:
         conf["start_date"] = as_date(conf["start"])
         conf["end_date"] = as_date(conf["end"])
 
+        price = conf.get("price")
+        if price:
+            conf["price"] = decimal.Decimal(price)
+
         key = (conf["start"], conf["name"])
         if this_trip := conference_trip_lookup.get(key):
             conf["linked_trip"] = this_trip
@@ -172,6 +183,7 @@ def conference_list() -> str:
         future=future,
         today=today,
         get_country=agenda.get_country,
+        fx_rate=agenda.fx.get_rates(app.config),
     )
 
 
@@ -218,6 +230,7 @@ def accommodation_list() -> str:
         total_nights_2024=total_nights_2024,
         nights_abroad_2024=nights_abroad_2024,
         get_country=agenda.get_country,
+        fx_rate=agenda.fx.get_rates(app.config),
     )
 
 
@@ -263,6 +276,7 @@ def trip_list() -> str:
         today=today,
         get_country=agenda.get_country,
         format_list_with_ampersand=format_list_with_ampersand,
+        fx_rate=agenda.fx.get_rates(app.config),
     )