Add util for getting trakt ids

local/bin/trakt-id-from-url

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+
+set -o errexit
+set -o nounset
+set -o pipefail
+if [[ "${TRACE-0}" == "1" ]]; then set -o xtrace; fi
+
+TRAKT_CLIENT_ID="${TRAKT_CLIENT_ID:-$(secret TRAKT_CLIENT_ID)}"
+
+trakt_id() {
+	curl --silent --show-error --fail \
+		--url "https://api.trakt.tv${1}" \
+		--header "Content-Type: application/json" \
+		--header "trakt-api-version: 2" \
+		--header "trakt-api-key: ${TRAKT_CLIENT_ID}" | jq --raw-output '.ids.trakt'
+}
+
+URL="${1}"
+if [[ "${URL}" =~ https://trakt\.tv/shows/([^/]+)/seasons/([^/]+)/episodes/([^/]+) ]]; then
+	SHOW_SLUG="${BASH_REMATCH[1]}"
+	SEASON_NUMBER="${BASH_REMATCH[2]}"
+	EPISODE_NUMBER="${BASH_REMATCH[3]}"
+	trakt_id "/shows/${SHOW_SLUG}/seasons/${SEASON_NUMBER}/episodes/${EPISODE_NUMBER}"
+elif [[ "${URL}" =~ https://trakt\.tv/shows/([^/]+) ]]; then
+	SLUG="${BASH_REMATCH[1]}"
+	trakt_id "/shows/${SLUG}"
+elif [[ "${URL}" =~ https://trakt\.tv/movies/([^/]+) ]]; then
+	SLUG="${BASH_REMATCH[1]}"
+	trakt_id "/movies/${SLUG}"
+else
+	echo "Unknown URL" >&2
+	exit 1
+fi