From afa2a2e93431346e2a2f000583c055e4ce29ebdf Mon Sep 17 00:00:00 2001
From: Edward Betts <edward@4angle.com>
Date: Wed, 1 May 2024 11:59:21 +0300
Subject: [PATCH] Show ferry routes and terminals on the map

---
 agenda/trip.py   | 27 ++++++++++++++++++++++-----
 static/js/map.js |  1 +
 2 files changed, 23 insertions(+), 5 deletions(-)

diff --git a/agenda/trip.py b/agenda/trip.py
index 4651ec3..e8f542f 100644
--- a/agenda/trip.py
+++ b/agenda/trip.py
@@ -66,8 +66,13 @@ def load_ferries(data_dir: str) -> list[StrDict]:
 
     for item in ferries:
         assert item["from"] in by_name and item["to"] in by_name
-        item["from_terminal"] = by_name[item["from"]]
-        item["to_terminal"] = by_name[item["to"]]
+        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
 
@@ -229,7 +234,7 @@ def collect_trip_coordinates(trip: Trip) -> list[StrDict]:
     locations = [
         ("station", stations),
         ("airport", airports),
-        ("ferry_terminals", ferry_terminals),
+        ("ferry_terminal", ferry_terminals),
     ]
     for coord_type, coord_dict in locations:
         coords += [
@@ -252,7 +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]:
@@ -261,6 +266,18 @@ def get_trip_routes(trip: Trip) -> list[StrDict]:
     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:
@@ -300,7 +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),
                 }
             )
 
diff --git a/static/js/map.js b/static/js/map.js
index 21872c9..cd29dc7 100644
--- a/static/js/map.js
+++ b/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("🍷"),