Show ferry routes and terminals on the map

agenda/fx.py

@@ -44,6 +44,17 @@ async def get_gbpusd(config: flask.config.Config) -> Decimal:
     return typing.cast(Decimal, 1 / data["quotes"]["USDGBP"])
 
 
+def read_cached_rates(filename: str, currencies: list[str]) -> dict[str, Decimal]:
+    """Read FX rates from cache."""
+    with open(filename) as file:
+        data = json.load(file, parse_float=Decimal)
+    return {
+        cur: Decimal(data["quotes"][f"GBP{cur}"])
+        for cur in currencies
+        if f"GBP{cur}" in data["quotes"]
+    }
+
+
 def get_rates(config: flask.config.Config) -> dict[str, Decimal]:
     """Get current values of exchange rates for a list of currencies against GBP."""
     currencies = config["CURRENCIES"]
@@ -65,22 +76,19 @@ def get_rates(config: flask.config.Config) -> dict[str, Decimal]:
         recent = datetime.strptime(recent_filename[:16], "%Y-%m-%d_%H:%M")
         delta = now - recent
 
+        full_path = os.path.join(fx_dir, recent_filename)
         if delta < timedelta(hours=12):
-            full_path = os.path.join(fx_dir, recent_filename)
-            with open(full_path) as file:
-                data = json.load(file, parse_float=Decimal)
-            return {
-                cur: Decimal(data["quotes"][f"GBP{cur}"])
-                for cur in currencies
-                if f"GBP{cur}" in data["quotes"]
-            }
+            return read_cached_rates(full_path, currencies)
 
     url = "http://api.exchangerate.host/live"
     params = {"currencies": currency_string, "source": "GBP", "access_key": access_key}
 
     filename = f"{now_str}_{file_suffix}"
-    with httpx.Client() as client:
-        response = client.get(url, params=params)
+    try:
+        with httpx.Client() as client:
+            response = client.get(url, params=params)
+    except httpx.ConnectError:
+        return read_cached_rates(full_path, currencies)
 
     with open(os.path.join(fx_dir, filename), "w") as file:
         file.write(response.text)

agenda/trip.py

@@ -19,9 +19,9 @@ class UnknownStation(Exception):
     pass
 
 
-def load_travel(travel_type: str, data_dir: str) -> list[StrDict]:
+def load_travel(travel_type: str, plural: str, data_dir: str) -> list[StrDict]:
     """Read flight and train journeys."""
-    items = travel.parse_yaml(travel_type + "s", data_dir)
+    items = travel.parse_yaml(plural, data_dir)
     for item in items:
         item["type"] = travel_type
     return items
@@ -31,7 +31,7 @@ def load_trains(
     data_dir: str, route_distances: travel.RouteDistances | None = None
 ) -> list[StrDict]:
     """Load trains."""
-    trains = load_travel("train", data_dir)
+    trains = load_travel("train", "trains", data_dir)
     stations = travel.parse_yaml("stations", data_dir)
     by_name = {station["name"]: station for station in stations}
 
@@ -58,6 +58,25 @@ def load_trains(
     return trains
 
 
+def load_ferries(data_dir: str) -> list[StrDict]:
+    """Load ferries."""
+    ferries = load_travel("ferry", "ferries", data_dir)
+    terminals = travel.parse_yaml("ferry_terminals", data_dir)
+    by_name = {terminal["name"]: terminal for terminal in terminals}
+
+    for item in ferries:
+        assert item["from"] in by_name and item["to"] in by_name
+        from_terminal, to_terminal = by_name[item["from"]], by_name[item["to"]]
+        item["from_terminal"] = from_terminal
+        item["to_terminal"] = to_terminal
+
+        geojson = from_terminal["routes"].get(item["to"])
+        if geojson:
+            item["geojson_filename"] = geojson
+
+    return ferries
+
+
 def depart_datetime(item: StrDict) -> datetime:
     depart = item["depart"]
     if isinstance(depart, datetime):
@@ -67,7 +86,7 @@ def depart_datetime(item: StrDict) -> datetime:
 
 def load_flight_bookings(data_dir: str) -> list[StrDict]:
     """Load flight bookings."""
-    bookings = load_travel("flight", data_dir)
+    bookings = load_travel("flight", "flights", data_dir)
     airlines = yaml.safe_load(open(os.path.join(data_dir, "airlines.yaml")))
     airports = travel.parse_yaml("airports", data_dir)
     for booking in bookings:
@@ -110,7 +129,9 @@ def build_trip_list(
     yaml_trip_lookup = {item["trip"]: item for item in yaml_trip_list}
 
     travel_items = sorted(
-        load_flights(data_dir) + load_trains(data_dir, route_distances=route_distances),
+        load_flights(data_dir)
+        + load_trains(data_dir, route_distances=route_distances)
+        + load_ferries(data_dir),
         key=depart_datetime,
     )
 
@@ -169,17 +190,22 @@ def collect_trip_coordinates(trip: Trip) -> list[StrDict]:
     stations = {}
     station_list = []
     airports = {}
+    ferry_terminals = {}
     for t in trip.travel:
         if t["type"] == "train":
             station_list += [t["from_station"], t["to_station"]]
             for leg in t["legs"]:
                 station_list.append(leg["from_station"])
                 station_list.append(leg["to_station"])
-        else:
-            assert t["type"] == "flight"
+        elif t["type"] == "flight":
             for field in "from_airport", "to_airport":
                 if field in t:
                     airports[t[field]["iata"]] = t[field]
+        else:
+            assert t["type"] == "ferry"
+            for field in "from_terminal", "to_terminal":
+                terminal = t[field]
+                ferry_terminals[terminal["name"]] = terminal
 
     for s in station_list:
         if s["uic"] in stations:
@@ -205,7 +231,12 @@ def collect_trip_coordinates(trip: Trip) -> list[StrDict]:
             if "latitude" in item and "longitude" in item
         ]
 
-    for coord_type, coord_dict in ("station", stations), ("airport", airports):
+    locations = [
+        ("station", stations),
+        ("airport", airports),
+        ("ferry_terminal", ferry_terminals),
+    ]
+    for coord_type, coord_dict in locations:
         coords += [
             {
                 "name": s["name"],
@@ -226,7 +257,7 @@ def latlon_tuple(stop: StrDict) -> tuple[float, float]:
 
 def read_geojson(data_dir: str, filename: str) -> str:
     """Read GeoJSON from file."""
-    return open(os.path.join(data_dir, "train_routes", filename + ".geojson")).read()
+    return open(os.path.join(data_dir, filename + ".geojson")).read()
 
 
 def get_trip_routes(trip: Trip) -> list[StrDict]:
@@ -234,6 +265,20 @@ def get_trip_routes(trip: Trip) -> list[StrDict]:
     routes = []
     seen_geojson = set()
     for t in trip.travel:
+        if t["type"] == "ferry":
+            ferry_from, ferry_to = t["from_terminal"], t["to_terminal"]
+
+            key = "_".join(["ferry"] + sorted([ferry_from["name"], ferry_to["name"]]))
+            filename = os.path.join("ferry_routes", t["geojson_filename"])
+
+            routes.append(
+                {
+                    "type": "train",
+                    "key": key,
+                    "geojson_filename": filename,
+                }
+            )
+            continue
         if t["type"] == "flight":
             if "from_airport" not in t or "to_airport" not in t:
                 continue
@@ -272,7 +317,7 @@ def get_trip_routes(trip: Trip) -> list[StrDict]:
                 {
                     "type": "train",
                     "key": key,
-                    "geojson_filename": geojson_filename,
+                    "geojson_filename": os.path.join("train_routes", geojson_filename),
                 }
             )
 

static/js/map.js

@@ -16,6 +16,7 @@ function emoji_icon(emoji) {
 var icons = {
   "station": emoji_icon("🚉"),
   "airport": emoji_icon("✈️"),
+  "ferry_terminal": emoji_icon("✈️"),
   "accommodation": emoji_icon("🏨"),
   "conference": emoji_icon("🎤"),
   "event": emoji_icon("🍷"),

templates/macros.html

@@ -226,3 +226,36 @@
     {% endif %}
   </div>
 {% endmacro %}
+
+{% macro ferry_row(item) %}
+  <div class="grid-item text-end">{{ item.depart.strftime("%a, %d %b %Y") }}</div>
+  <div class="grid-item">
+      {{ item.from }} &rarr; {{ item.to }}
+  </div>
+
+  <div class="grid-item">{{ item.depart.strftime("%H:%M") }}</div>
+  <div class="grid-item">
+    {% if item.arrive %}
+      {{ item.arrive.strftime("%H:%M") }}
+      {% if item.depart != item.arrive and item.arrive.date() != item.depart.date() %}+1 day{% endif %}
+    {% endif %}
+  </div>
+
+  <div class="grid-item"></div>
+  <div class="grid-item">{{ item.operator }}</div>
+  <div class="grid-item"></div>
+  <div class="grid-item"></div>
+  <div class="grid-item"></div>
+
+  <div class="grid-item text-end">
+    {% if g.user.is_authenticated and item.price and item.currency %}
+      <span class="badge bg-info text-nowrap">{{ "{:,f}".format(item.price) }} {{ item.currency }}</span>
+      {% if item.currency != "GBP" %}
+        <span class="badge bg-info text-nowrap">{{ "{:,.2f}".format(item.price / fx_rate[item.currency]) }} GBP</span>
+      {% endif %}
+    {% endif %}
+  </div>
+
+
+  {# <div class="grid-item">{{ item | pprint }}</div> #}
+{% endmacro %}

templates/trip_list.html

@@ -1,8 +1,8 @@
 {% extends "base.html" %}
 
-{% from "macros.html" import trip_link, 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, ferry_row with context %}
 
-{% set row = { "flight": flight_row, "train": train_row } %}
+{% set row = { "flight": flight_row, "train": train_row, "ferry": ferry_row } %}
 
 {% block title %}Trips - Edward Betts{% endblock %}