adpn-do-plugins

#!/bin/bash
#
# adpn-do-plugins: script to handle adpn plugins commands
#
# @version 2019.0716

SCRIPTPATH=$(which $0)
SCRIPTDIR=$(dirname $SCRIPTPATH)
SCRIPT=$(basename $SCRIPTPATH)

source "${SCRIPTDIR}/adpn-define-aliases"

__USAGE__="Usage: ${SCRIPT} [--version] [--help] <CMD> [<ARGS>]"
__HELP__="[${SCRIPT}] Try '${SCRIPT} help' for more information."
__DOC__="""${__USAGE__}

  --version 	Display the version of the script
  --help    	Display these usage notes

The most commonly used ${SCRIPT} commands are:
  list      	List the available Publisher Plugins
  details   	Report details on Publisher Plugin and required parameters
  
Exit codes:
0 = success (successful retrieval and expected result)
1-254 = error in executing command
255 = command not supported
"""

##########################################################################################
### COMMAND LINE: loop through switches ##################################################
##########################################################################################

declare -a _ARGV ; _ARGV=("$0")
declare -a _CMDLINE ; _CMDLINE=("$0")
declare -A _PARAM=()

shopt -s lastpipe

declare -a SWITCHFILES ; SWITCHFILES=()
if [[ -r "${CONFFILE}" ]] ; then
	SWITCHFILES+=(${CONFFILE})
fi

CMDLINETXT=$(mktemp)

until [[ "$#" -lt 1 ]] ; do
	_CMDLINE+=("$1")
	printf "%s\n" "$1" >> "${CMDLINETXT}"
	shift
done

SWITCHFILES+=(${CMDLINETXT})

adpn_command_line "${SWITCHFILES[@]}"

rm "${CMDLINETXT}"

##########################################################################################
### SCRIPT: DETERMINE COMMAND, THEN EXECUTE PIPELINE  ####################################
##########################################################################################

EXITCODE=0

CMD="${_ARGV[1]}"

if [[ ! -z "${_PARAM[version]}" ]] ; then
	VERSION=$(grep "^# @version" $0 | head --lines=1 | cut --only-delimited --fields=3- --delimiter=" ")
	echo "${SCRIPT} version ${VERSION}"
	CMD="version"
fi

if [[ ! -z "${_PARAM[help]}" ]] ; then
	echo "${__DOC__}"
	CMD="help"
fi

case "${CMD}" in
		
	""|"list")
# @method adpn plugins list
# Display a list of the available publisher plugins.
# 
# Usage: adpn plugins list [<WILDCARD>] [<OPTIONS>]...
#
# @version 2019.0716

		declare -a APD_SWITCHES=()
		if [[ "${#_ARGV[@]}" -gt 2 ]] ; then
			if [[ "${_ARGV[2]:0:1}" == '/' ]] ; then
				APD_SWITCHES+=(--plugin-regex="${_ARGV[2]:1:-1}")
			elif [[ "${_ARGV[*]:2}" == "http:"* ]] ; then
				APD_SWITCHES+=(--jar="${_ARGV[*]:2}")			
			elif [[ "${_ARGV[*]:2}" == *"."* ]] ; then
				APD_SWITCHES+=(--plugin-id="${_ARGV[*]:2}")			
			else
				APD_SWITCHES+=(--plugin-keywords="${_ARGV[*]:2}")
			fi
		fi

		for KEY in "${!_PARAM[@]}" ; do
			APD_SWITCHES+=("--${KEY}=${_PARAM[$KEY]}")
		done
		
		adpn-plugin-details.py "${APD_SWITCHES[@]}"
		EXITCODE="$?"
		;;
	
	"details")
# @method adpn plugins details
# Display details of a single publisher plugin.
#
# Usage: adpn plugins details [<WILDCARD>] [<OPTIONS>]...
#
# @version 2019.0716

		APD_OUTPUT=$(mktemp)
		
		declare -a APD_SWITCHES=()
		if [[ "${#_ARGV[@]}" -gt 2 ]] ; then
			if [[ "${_ARGV[2]:0:1}" == '/' ]] ; then
				APD_SWITCHES+=(--plugin-regex="${_ARGV[2]:1:-1}")
			elif [[ "${_ARGV[*]:2}" == "http:"* ]] ; then
				APD_SWITCHES+=(--jar="${_ARGV[*]:2}")			
			elif [[ "${_ARGV[*]:2}" == *"."* ]] ; then
				APD_SWITCHES+=(--plugin-id="${_ARGV[*]:2}")			
			else
				APD_SWITCHES+=(--plugin-keywords="${_ARGV[*]:2}")
			fi
		fi
		
		for KEY in "${!_PARAM[@]}" ; do
			APD_SWITCHES+=("--${KEY}=${_PARAM[$KEY]}")
		done
		
		adpn-plugin-details.py "${APD_SWITCHES[@]}" > "${APD_OUTPUT}" ; APD_ERRCODE="$?"
		
		if [[ "${APD_ERRCODE}" -gt 0 ]] ; then
		
			echo "[${SCRIPT}] '${_CMDLINE[*]:2}' matches multiple plugins." 1>&2
			cat "${APD_OUTPUT}" 1>&2
			
		elif [[ "${APD_ERRCODE}" -gt 0 ]] ; then

			EXITCODE="${APD_ERRCODE}"
			
		else
		
			cat "${APD_OUTPUT}"
			
		fi
		
		rm "${APD_OUTPUT}"
		EXITCODE="${APD_ERRCODE}"
		;;
	
	"version"|"help")
		EXITCODE=0
		;;
		
	*)
		echo "[${SCRIPT}] '${CMD}' command not understood." 1>&2
		echo "${__HELP__}" 1>&2
		EXITCODE=255
		;;
esac

##########################################################################################
### CLEANUP: remove temporary output file. ###############################################
##########################################################################################

exit ${EXITCODE}