add bvg.sh

bvg.sh

@@ -0,0 +1,77 @@
+#!/bin/sh
+
+API="https://1.bvg.transport.rest"
+
+JQ_PRELUDE='
+  def ansicolor(code): "\u001b[\(code)m\(.)\u001b[0m";
+
+  def prettytime: "\(.[0:19] | strptime("%FT%T") | mktime | strftime("%R"))" | ansicolor(90);
+
+  def prettyline: "\u001b[\(
+    if   .product == "subway"   then 34 # blue
+    elif .product == "bus"      then 35 # magenta
+    elif .product == "tram"     then 31 # red
+    elif .product == "suburban" then 32 # green
+    elif .product == "regional" then 37 # white
+    else 37                             # white
+    end
+  )m\(.name)\u001b[0m";
+'
+
+find_id() {
+  query="$1"
+  curl -sG "${API}/locations" -d results=1 -d fuzzy=false -d poi=false -d addresses=false -d query="$query" \
+    | jq -r ".[0].id"
+}
+
+station() {
+  query="$1"
+  curl -sG "${API}/locations" -d fuzzy=false -d poi=false -d addresses=false -d query="$query" \
+    | jq -r '.[] | "\u001b[33m\(.id)\u001b[0m \(.name)"'
+}
+
+departures() {
+  curl -sG "${API}/stations/$1/departures" -d remarks=false \
+    | jq -r "$JQ_PRELUDE"'
+      .[]
+      | "\(.when | prettytime) \(.line | prettyline)\t\(.direction)"
+    '
+}
+
+journeys() {
+  origin_id="$1"
+  destination_id="$2"
+  curl -sG "${API}/journeys" -d results=1 -d from="$origin_id" -d to="$destination_id" \
+    | jq -r "$JQ_PRELUDE"'
+      .[0]
+      | .legs
+      | .[]
+      | "\(.origin.name) \(.departure | prettytime) \(.line | prettyline) \(.arrival | prettytime) \(.destination.name)"
+    '
+}
+
+case $1 in
+  station)
+    shift
+    station "$@"
+  ;;
+  departures:id)
+    shift
+    departures "$@"
+  ;;
+  journeys:id)
+    shift
+    departures "$@"
+  ;;
+  journeys)
+    shift
+    journeys "$(find_id "$1")" "$(find_id "$2")"
+  ;;
+  departures)
+    shift
+    departures "$(find_id "$1")"
+  ;;
+  --help)
+    echo "Usage: $0 [station QUERY | journeys QUERY QUERY | departures QUERY]"
+  ;;
+esac