Add dashboard Bluetooth controls

scripts/pi-car-companion-bluetooth-control

@@ -0,0 +1,70 @@
+#!/usr/bin/env bash
+set -Eeuo pipefail
+
+if [[ ${EUID} -ne 0 ]]; then
+  echo "The Bluetooth control helper must run as root." >&2
+  exit 1
+fi
+
+BLUETOOTHCTL=/usr/bin/bluetoothctl
+SYSTEMCTL=/usr/bin/systemctl
+BRIDGE_SERVICE=pi-car-companion-bluetooth.service
+
+print_status() {
+  local details powered discoverable pairable message
+  details="$(LC_ALL=C "${BLUETOOTHCTL}" show 2>/dev/null || true)"
+  if ! grep -q '^Controller ' <<<"${details}"; then
+    printf '%s\n' '{"supported":false,"powered":false,"discoverable":false,"pairable":false,"message":"No Bluetooth adapter was found."}'
+    return
+  fi
+  powered="$(sed -n 's/^[[:space:]]*Powered: //p' <<<"${details}" | head -n 1)"
+  discoverable="$(sed -n 's/^[[:space:]]*Discoverable: //p' <<<"${details}" | head -n 1)"
+  pairable="$(sed -n 's/^[[:space:]]*Pairable: //p' <<<"${details}" | head -n 1)"
+  [[ "${powered}" == "yes" ]] && powered=true || powered=false
+  [[ "${discoverable}" == "yes" ]] && discoverable=true || discoverable=false
+  [[ "${pairable}" == "yes" ]] && pairable=true || pairable=false
+  if [[ "${discoverable}" == "true" ]]; then
+    message="The Pi is visible to nearby phones for three minutes."
+  elif [[ "${powered}" == "true" ]]; then
+    message="Bluetooth is on and the companion bridge is available."
+  else
+    message="Bluetooth is off."
+  fi
+  printf '{"supported":true,"powered":%s,"discoverable":%s,"pairable":%s,"message":"%s"}\n' \
+    "${powered}" "${discoverable}" "${pairable}" "${message}"
+}
+
+power_on() {
+  "${SYSTEMCTL}" start bluetooth.service
+  /usr/sbin/rfkill unblock bluetooth
+  "${BLUETOOTHCTL}" power on >/dev/null
+  "${SYSTEMCTL}" enable --now "${BRIDGE_SERVICE}" >/dev/null
+}
+
+case "${1:-}" in
+  status)
+    ;;
+  on)
+    power_on
+    ;;
+  off)
+    "${SYSTEMCTL}" disable --now "${BRIDGE_SERVICE}" >/dev/null
+    "${BLUETOOTHCTL}" discoverable off >/dev/null 2>&1 || true
+    "${BLUETOOTHCTL}" pairable off >/dev/null 2>&1 || true
+    "${BLUETOOTHCTL}" power off >/dev/null
+    /usr/sbin/rfkill block bluetooth
+    ;;
+  discoverable)
+    power_on
+    "${BLUETOOTHCTL}" discoverable-timeout 180 >/dev/null
+    "${BLUETOOTHCTL}" pairable-timeout 180 >/dev/null
+    "${BLUETOOTHCTL}" pairable on >/dev/null
+    "${BLUETOOTHCTL}" discoverable on >/dev/null
+    ;;
+  *)
+    echo "Usage: pi-car-companion-bluetooth-control status|on|off|discoverable" >&2
+    exit 2
+    ;;
+esac
+
+print_status

scripts/pi-car-companion-update

@@ -66,12 +66,18 @@ install_integration_files() {
   install -m 0755 "${source_release}/scripts/pi-car-companion-update" /usr/local/sbin/pi-car-companion-update
   install -m 0755 "${source_release}/scripts/pi-car-companion-network-setup" /usr/local/sbin/pi-car-companion-network-setup
   install -m 0755 "${source_release}/scripts/pi-car-companion-power" /usr/local/sbin/pi-car-companion-power
+  if [[ -f "${source_release}/scripts/pi-car-companion-bluetooth-control" ]]; then
+    install -m 0755 "${source_release}/scripts/pi-car-companion-bluetooth-control" /usr/local/sbin/pi-car-companion-bluetooth-control
+  fi
+  install -d -m 0755 /usr/local/libexec
+  install -m 0755 "${source_release}/scripts/pi-car-companion-bluetooth" /usr/local/libexec/pi-car-companion-bluetooth
   install -m 0644 "${source_release}/systemd/pi-car-companion.service" /etc/systemd/system/pi-car-companion.service
   install -m 0644 "${source_release}/systemd/pi-car-companion-update.service" /etc/systemd/system/pi-car-companion-update.service
   install -m 0644 "${source_release}/systemd/pi-car-companion-update-check.service" /etc/systemd/system/pi-car-companion-update-check.service
   install -m 0644 "${source_release}/systemd/pi-car-companion-network.service" /etc/systemd/system/pi-car-companion-network.service
   install -m 0644 "${source_release}/systemd/pi-car-companion-network-configure.service" /etc/systemd/system/pi-car-companion-network-configure.service
   install -m 0644 "${source_release}/systemd/pi-car-companion-network-observer.service" /etc/systemd/system/pi-car-companion-network-observer.service
+  install -m 0644 "${source_release}/systemd/pi-car-companion-bluetooth.service" /etc/systemd/system/pi-car-companion-bluetooth.service
   install -m 0440 "${source_release}/systemd/pi-car-companion.sudoers" /etc/sudoers.d/pi-car-companion
   install -d -m 0755 /etc/NetworkManager/dnsmasq-shared.d
   install -m 0644 "${source_release}/config/dnsmasq-shared-pi-car-companion.conf" /etc/NetworkManager/dnsmasq-shared.d/pi-car-companion.conf
@@ -204,3 +210,4 @@ write_status "success" "Update installed and the companion service is healthy."
 systemctl try-restart pi-car-companion-network.service || true
 systemctl enable pi-car-companion-network-observer.service || true
 systemctl restart pi-car-companion-network-observer.service || true
+systemctl try-restart pi-car-companion-bluetooth.service || true