Send pause action only if a media is playing !

kodi.controller.sh

@@ -5,7 +5,13 @@
 #   1. Start Kodi if not already running.
 #   2. Send user command to Kodi running instance.
 #
-# 2022-05-22
+# In Kodi, pause|play|toggle = TOGGLE ! 😑
+# So for a real PAUSE, some extra tests are required :
+#   * Request the API (with curl) to check if a playlist is active.
+#   * Request the API to get the media speed.
+#   * Exit if the media is already paused (speed = 0).
+#
+# 2022-07-04
 # }}}
 # Vars {{{
 PROGNAME=$(basename "${0}"); readonly PROGNAME
@@ -54,7 +60,8 @@ EXAMPLES :
 OPTIONS :
     -c,--command
         Send a command to running Kodi. Available commands :
-          * toggle, play, pause
+          * toggle, play
+          * pause (real one thanks to the API and curl!)
           * stop
           * next
           * previous
@@ -120,9 +127,12 @@ define_vars() {                                                 # {{{
 	## }}}
 	## Translate user command to Kodi action {{{
 	case "${USER_MULTIMEDIA_COMMAND}" in
-		toggle|play|pause )                   ## Toggle current play
+		toggle|play )                         ## Toggle current play
 			KODI_ACTION="PlayerControl(play)"
 			;;
+		pause )                               ## Pause current media if anything is playing
+			KODI_ACTION="PlayerControl(pause)"
+			;;
 		stop )                                ## Stop current play
 			KODI_ACTION="PlayerControl(stop)"
 			;;
@@ -146,7 +156,7 @@ define_vars() {                                                 # {{{
 
 }
 # }}}
-is_proc_absent() {                                             # {{{
+is_proc_absent() {                                              # {{{
 
 	local_proc_pattern="${1}"
 
@@ -172,6 +182,43 @@ procs running (with the pattern: ${RED}${local_proc_pattern}${COLOR_DEBUG}) on t
 
 }
 # }}}
+get_current_media_type() {                                      # {{{
+
+	debug_message "get_current_media_type − \
+Run a request to ${KODI_HOST}:${KODI_PORT} API :"
+
+	KODI_CURRENT_MEDIA_TYPE=$(curl -s -X POST http://"${KODI_HOST}:${KODI_PORT}"/jsonrpc -H 'Content-Type: application/json' --data '{"jsonrpc":"2.0","method":"Player.GetActivePlayers","id":0}' | sed -n 's/.*"type":"\(.*\)".*/\1/p')
+}
+# }}}
+is_audio_paused() {                                             # {{{
+
+	## Media is playing by default
+	return_is_audio_paused="1"
+
+	debug_message "is_audio_paused − \
+Run a request to ${KODI_HOST}:${KODI_PORT} API to get status of audio media."
+
+	KODI_CURRENT_AUDIO_SPEED=$(curl -s -X POST http://"${KODI_HOST}:${KODI_PORT}"/jsonrpc -H 'Content-Type: application/json' --data '{"jsonrpc": "2.0", "method": "Player.GetProperties", "params": { "playerid": 0, "properties": [ "speed" ] }, "id": "AudioGetItem" }' | sed -n 's/.*"speed":\(.\).*/\1/p')
+
+	case "${KODI_CURRENT_AUDIO_SPEED}" in
+		0 )                 ## Media is paused
+			debug_message "is_audio_paused − \
+The current media is paused (speed: ${RED}${KODI_CURRENT_MEDIA_TYPE}${COLOR_DEBUG})."
+			return_is_audio_paused="0"
+			;;
+		1 )                 ## Media is playing
+			debug_message "is_audio_paused − \
+The current media is playing (speed: ${RED}${KODI_CURRENT_MEDIA_TYPE}${COLOR_DEBUG})."
+			return_is_audio_paused="1"
+			;;
+		* )                 ## Error getting current media speed
+			error_message "Error with media speed (${KODI_CURRENT_AUDIO_SPEED})." 1
+			;;
+	esac
+
+	return "${return_is_audio_paused}"
+}
+# }}}
 
 main() {                                                        # {{{
 
@@ -187,6 +234,28 @@ main() {                                                        # {{{
 		&& exit 0
 	## }}}
 
+	## If the media should be paused {{{
+	if [ "${USER_MULTIMEDIA_COMMAND}" = "pause" ]; then
+		## Get current playlist type
+		get_current_media_type
+		case "${KODI_CURRENT_MEDIA_TYPE}" in
+			audio )                ## Manage audio media
+				is_audio_paused \
+					&& debug_message "${RED}audio${COLOR_DEBUG} media is already paused, no more action is required." \
+					&& exit 0
+				;;
+			video )                ## Manage video media
+				debug_message "${RED}video${COLOR_DEBUG} type for current media is not yet managed."
+				;;
+			* )                    ## Unknown media type or no media at all
+				debug_message "Unknown media type ->${RED}${KODI_CURRENT_MEDIA_TYPE}${COLOR_DEBUG}<- or no media is playing (if empty), exit."
+				exit 0
+				;;
+		esac
+
+	fi
+	## }}}
+
 	## Send Kodi action to running instance {{{
 	### And exit
 	debug_message "Send ${RED}${USER_MULTIMEDIA_COMMAND}${COLOR_DEBUG} (${RED}${KODI_ACTION}${COLOR_DEBUG}) action to running Kodi instance (on ${RED}${KODI_HOST}${COLOR_DEBUG} host)." \