UpdateController/news_from_ismas

# !/bin/bash -

source ./log_helpers

if [ "${news_from_ismas_sourced:-1}" = "1" ]; then    # include only once
    readonly news_from_ismas_sourced=${BASH_SOURCE[0]}
    readonly APISM_DIRECT_PORT=7778

    updates_available () {
        local func="${FUNCNAME[0]}"
        local json_response="$((echo -n '#M=APISM #C=REQ_ISMASParameter #J={}';
                            sleep 5) | nc localhost $APISM_DIRECT_PORT)"
        if [ $? -eq 0 ]; then
            local trigger="$(echo $json_response | jq -r .Fileupload.TRG)"
            local ismas_device_id="$(echo $json_response | jq -r .Dev_ID.Device_ID)"
	    local machine_nr=$(cat "/etc/machine_nr")
            log_info "$func:${LINENO}: json_response=$json_response"
            log_info "$func:${LINENO}: apism_trigger=<$trigger> device_id=<$ismas_device_id> machine_nr=<$machine_nr>"
            if [ ! -z "$ismas_device_id" -a "$ismas_device_id" != " " ]; then
            	if [ ! -z "$machine_nr" -a "$machine_nr" != " " ]; then
		    if [ "$ismas_device_id" != "$machine_nr" ]; then
            		log_error "$func:${LINENO}: ISMAS DEVICE ID <$ismas_deviceId> != LOCAL_MACHINE_NUMBER <$machine_nr>"
			return 1	
                    fi
                fi
            fi 
            if grep -qE "WAIT" <<< "$trigger"; then
            	log_info "$func:${LINENO}: FOUND WAIT TRIGGER"
	    	return 0
	    fi
        else
            log_error "$func:${LINENO}: APISM REQUEST FAILED"
        fi
        return 1
    }

    update_status () {
        local func="${FUNCNAME[0]}"
        local json_response="$((echo -n '#M=APISM #C=REQ_ISMASParameter #J={}';
                            sleep 5) | nc localhost $APISM_DIRECT_PORT)"
        local trigger=""
        if [ $? -eq 0 ]; then
            trigger="$(echo $json_response | jq -r .Fileupload.TRG)"
            log_info "$func:${LINENO}: apism_trigger=<$trigger>"
        else
            log_error "$func:${LINENO}: apism request failed"
        fi
        echo "$trigger"
    }
fi