sharee.bike/copri4/main/src/Mod/APIsigclient.pm

package APIsigclient;
#
# SPDX-License-Identifier: AGPL-3.0-or-later
# Copyright (c) Rainer Gümpelein, TeilRad GmbH
#
#Client for sig
#
#380116b5-0522-43da-ab66-477744a731a3
#
#use lib qw(/var/www/copri-bike/shareeapp-sx/src);
use warnings;
use strict;
use POSIX;
use Exporter;
our @ISA = qw (Exporter);

#use POSIX;
use CGI;
use JSON;
use LWP::UserAgent;
use DateTime;
use Time::Piece;
use Scalar::Util qw(looks_like_number);
use Config::General;

use Lib::Config;
use Mod::DBtank;
use Mod::Basework;
use Mod::APIfunc;
use Data::Dumper;

my $q = new CGI;
my $json = JSON->new->allow_nonref;
my $cf = new Config;
my $dbt = new DBtank;
my $apif = new APIfunc;
my $bw = new Basework;

sub new {
 my $class = shift;
 my $self = {};
 bless($self,$class);
 return $self;
}

 my $now_dt = strftime "%Y-%m-%d %H:%M:%S", localtime;
 my $api_file = "/var/www/copri4/shareeconf/apikeys.cfg";
 my $aconf = Config::General->new($api_file);
 my %apikeyconf = $aconf->getall;

 my $ua = LWP::UserAgent->new;
 $ua->agent("sharee sigclient");
 my $size = $ua->max_size;
 my $bytes = 100000;
 $ua->max_size( $bytes );
 $ua->default_header( 'x-api-key' => $apikeyconf{sigo}->{api_key} );

#will be called on bikes_available
sub sig_available {
 my $self = shift;
 my $q = shift;
 my $varenv = shift || {};
 my $ctadr = shift || {};

 my $response_in = {};
 my $dbh = "";
 my $owner = 169;

 my $authed = 0;
 my $ctpos = { c_id => 0 };
 my $show_dialog = {};
 if(ref($ctadr) eq "HASH" && $ctadr->{c_id} && $ctadr->{c_id} > 0){
   $authed = 1;
   ($ctpos,$show_dialog) = $apif->rental_to_feedback($varenv,$ctadr);
 }

 my ($bike_group,$bike_node,$user_tour,$tariff_content,$adrtarif_hash) = $apif->fetch_tariff($varenv->{dbname},$ctadr,$q->param('authcookie'));

 my $hotline_hash = {
          table  => "contentuser",
          fetch  => "one",
          template_id => 197,
          c_id   => "1",
 };
 my $hotline_data = $dbt->fetch_record($dbh,$hotline_hash);
 my $td_template = $dbt->rental_description_template();

 open(FILE,">>$varenv->{logdir}/APIsigclient.log");
 print FILE "\n0. *** $now_dt 'sig_available' ctadr: $ctadr->{c_id}\n";

 #my $endpoint = "https://sigo.dev.sigo.green/api/v1/bikes";
 my $endpoint = "$dbt->{operator}->{$varenv->{dbname}}->{endpoint}/bikes";
 my $response_out = {};
 my $return2copri = {};
 my $rest_json = "";
 (my $ret_json, my $ret_status) = $self->get_sig("$endpoint",$rest_json);
 eval {
   $response_in = decode_json($ret_json);
   $now_dt = strftime "%Y-%m-%d %H:%M:%S", localtime;
   print FILE "<--- $now_dt station_and_bikes response_in with status_line: $ret_status:\n";
   #print FILE Dumper($response_in) . "\n";

   if(ref($response_in) eq "HASH"){
    foreach my $resp (@{ $response_in->{items} }) {
      print FILE "response_in loop $dbt->{operator}->{$varenv->{dbname}}->{operatorApp}\n" . $q->param('request') . "\n" . Dumper($resp) . "\n";

      if(ref($resp->{site}) eq "HASH" && $dbt->{operator}->{$varenv->{dbname}}->{operatorApp} && $q->param('request') eq "stations_available"){ 

	#station (mainly using sigojson site object)
	my $station = "SX$resp->{site}->{id}";
	if($station && looks_like_number($resp->{site}->{id}) && ref($bike_group) eq "ARRAY" && @{$bike_group}[0]){
	  print FILE "Station: $station\n";
	  $response_out->{$station}->{station} = "$station"; 
	  $response_out->{$station}->{authed} = "$authed"; 
	  $response_out->{$station}->{uri_operator} = "$dbt->{operator}->{$varenv->{dbname}}->{operatorApp}";
	  #$response_out->{$station}->{description} = "$resp->{site}->{address}" || ""; 
	  $response_out->{$station}->{description} = Encode::encode('utf-8', Encode::decode('iso-8859-1',$resp->{site}->{address})) || ""; 
	  $response_out->{$station}->{station_group} = ["SX300101"];#Lastenrad alias type_id
	  $response_out->{$station}->{gps}->{latitude} = "$resp->{site}->{lat}" || "";
	  $response_out->{$station}->{gps}->{longitude} = "$resp->{site}->{lon}" || ""; 
	  $response_out->{$station}->{gps_radius} = "75"; 

	  #Other than Active status, should not be used to display information to a customer
	  $response_out->{$station}->{state} = "defect";
       	  if(uc($resp->{site}->{status}) eq "ACTIVE"){
	    $response_out->{$station}->{state} = "available";
	  }elsif(uc($resp->{site}->{status}) eq "MAINTANANCE"){ 
	    $response_out->{$station}->{state} = "maintanance";
	  }

          $response_out->{$station}->{operator_data} = {
           "operator_name" => "",
           "operator_hours" => "",
           "operator_color" => "",
           "operator_logo" => "",
           "operator_phone" => "",
           "operator_email" => "",
          };
          $response_out->{$station}->{operator_data}->{operator_name} = Encode::encode('utf-8', Encode::decode('iso-8859-1',$hotline_data->{txt01})) if($hotline_data->{txt01});
          $response_out->{$station}->{operator_data}->{operator_hours} = Encode::encode('utf-8', Encode::decode('iso-8859-1',$hotline_data->{txt84})) if($hotline_data->{txt84});
          $response_out->{$station}->{operator_data}->{operator_color} = $hotline_data->{txt85} if($hotline_data->{txt85});
          $response_out->{$station}->{operator_data}->{operator_logo} = $hotline_data->{img01} if($hotline_data->{img01});
          $response_out->{$station}->{operator_data}->{operator_phone} = $hotline_data->{txt07} if($hotline_data->{txt07});
          $response_out->{$station}->{operator_data}->{operator_email} = $hotline_data->{txt08} if($hotline_data->{txt08});

	  #just like caching
          $return2copri->{$station}->{barcode} = $1 if($response_out->{$station}->{station} =~ /(\d+)/);#new on station context
          $return2copri->{$station}->{int04} = $1 if($response_out->{$station}->{station} =~ /(\d+)/);
          $return2copri->{$station}->{int06} = $1 if($response_out->{$station}->{gps_radius} =~ /(\d+)/);
          $return2copri->{$station}->{txt01} = "$response_out->{$station}->{description}";
          $return2copri->{$station}->{txt06} = "$response_out->{$station}->{gps}->{latitude},$response_out->{$station}->{gps}->{longitude}";
          $return2copri->{$station}->{txt24} = "300102";#node.main_id
          $return2copri->{$station}->{txt25} = "300101";#node_type_id
	  while (my ($key, $value) = each %{ $dbt->{copri_conf}->{station_state} }) {
   	   if($response_out->{$station}->{state} eq $value){
            $return2copri->{$station}->{int10} = $key;
   	   }
 	  }
	  delete $response_out->{$station} if(uc($resp->{site}->{status}) ne "ACTIVE" || !$resp->{site}->{lat} || !$resp->{site}->{lon});
	}
      }#end stations_available

      if(ref($resp->{site}) eq "HASH" && $dbt->{operator}->{$varenv->{dbname}}->{operatorApp} && $q->param('request') eq "bikes_available"){ 

	#bike (mainly using sigojson state object)
	#my $bike = "SX$resp->{mobile_bike_id}";
	my $bike = $q->escapeHTML($resp->{license_plate}) || "";
  	my $bike_id = $bike;
  	$bike_id =~ s/S[1-9]X/SX/;
  	$bike_id = $1 if($bike_id =~ /(\d+)/);

	print FILE "bike-data $bike_id | $resp->{site}->{id} | @{$bike_group}[0]\n";
	if($bike && looks_like_number($bike_id) && looks_like_number($resp->{site}->{id}) && ref($bike_group) eq "ARRAY" && @{$bike_group}[0]){
	  print FILE "Bike: $bike\n";
	  if($ctpos->{barcode} && $ctpos->{barcode} == $bike_id){
	    $response_out->{$bike}->{user_miniquery} = $show_dialog->{user_miniquery} if($show_dialog->{user_miniquery});
	    $response_out->{$bike}->{co2saving} = "";
	    if($show_dialog->{co2saving}){
	      $response_out->{$bike}->{co2saving} = $show_dialog->{co2saving};
	    }
	  }
	  $response_out->{$bike}->{bike} = "$bike"; 
	  $response_out->{$bike}->{authed} = "$authed"; 
	  $response_out->{$bike}->{station} = "SX$resp->{site}->{id}" || ""; 
	  $response_out->{$bike}->{uri_operator} = "$dbt->{operator}->{$varenv->{dbname}}->{operatorApp}";
	  $response_out->{$bike}->{description} = "E-Lastenrad"; 
	  $response_out->{$bike}->{gps}->{latitude} = "$resp->{state}->{lat}" || "";
	  $response_out->{$bike}->{gps}->{longitude} = "$resp->{state}->{lon}" || ""; 
	  $response_out->{$bike}->{bike_charge} = "$resp->{energy_level}" || "0"; 
	  $response_out->{$bike}->{state} = "defect";
	  $response_out->{$bike}->{lock_state} = "locked";
	  if(uc($resp->{reservation_state}) eq "RESERVED"){
	    $response_out->{$bike}->{state} = "requested";
	  }elsif(uc($resp->{reservation_state}) eq "ACTIVE-RENTAL"){
	    $response_out->{$bike}->{lock_state} = "unlocked";
	    $response_out->{$bike}->{state} = "occupied";
	  }elsif(!$resp->{reservation_state}){
	    $response_out->{$bike}->{state} = "available";
	  }

	  $response_out->{$bike}->{system} = "sigo";
	  $response_out->{$bike}->{bike_group} = ["SX300101"];#Lastenrad type_id
	  $response_out->{$bike}->{unlock_allowed} = "1";
	  $response_out->{$bike}->{tariff_description} = {};
	  $response_out->{$bike}->{rental_description} = {};
	  if(ref($tariff_content) eq "HASH"){
             foreach my $tid (sort { $tariff_content->{$a}->{barcode} <=> $tariff_content->{$b}->{barcode} } keys (%$tariff_content)){
		#deprecated
                $response_out->{$bike}->{tariff_description}->{name} = "$tariff_content->{$tid}->{ct_name}";
                $response_out->{$bike}->{tariff_description}->{number} = "$tariff_content->{$tid}->{barcode}";
                $response_out->{$bike}->{tariff_description}->{eur_per_hour} = "$tariff_content->{$tid}->{int02}" || "0";
                $response_out->{$bike}->{tariff_description}->{max_eur_per_day} = "$tariff_content->{$tid}->{int17}" if($tariff_content->{$tid}->{int17});
                $response_out->{$bike}->{tariff_description}->{free_hours} = "$tariff_content->{$tid}->{int16}" if($tariff_content->{$tid}->{int16});
                $response_out->{$bike}->{tariff_description}->{abo_eur_per_month} = "$tariff_content->{$tid}->{int15}" if($tariff_content->{$tid}->{int15});

                #new rental_description
                $response_out->{$bike}->{rental_description}->{name} = "$tariff_content->{$tid}->{ct_name}";
                $response_out->{$bike}->{rental_description}->{id} = "$tariff_content->{$tid}->{barcode}";
                $response_out->{$bike}->{rental_description}->{reserve_timerange} = "30";
                $response_out->{$bike}->{rental_description}->{rental_info}->{1} = ["Tracking","Ich stimme der Speicherung (Tracking) meiner Fahrstrecke zwecks wissenschaftlicher Auswertung und Berechnung der CO2-Einsparung zu!"];#TODO if($resp->{gps_tracker_id});
		#$response_out->{$bike}->{rental_description}->{rental_info}->{2} = ["AGB","Mit der Mietrad Anmietung wird folgender Betreiber <a href='$varenv->{wwwhost}/site/agb.html' target='_blank'>AGB</a> zugestimmt (als Demo sharee AGB)."] if($ctadr->{c_id} && ($ctadr->{c_id} == 1842 || $ctadr->{c_id} == 1843 || $ctadr->{c_id} == 5781 || $ctadr->{c_id} == 11765 || $ctadr->{c_id} == 38883));

                my $i = 0;
                foreach my $td (sort keys (%$td_template)){
                 my $time_unit = "";
		 if($td_template->{$td}->{int35} && $tariff_content->{$tid}->{int35} && $tariff_content->{$tid}->{int35} > 0){
		  $tariff_content->{$tid}->{int35} =~ s/\./,/;
                  $time_unit = $dbt->time_format($tariff_content->{$tid}->{time01});
                  $response_out->{$bike}->{rental_description}->{tarif_elements}->{$td} = ["$td_template->{$td}->{int35}","$tariff_content->{$tid}->{int35} € / $time_unit"];
		 }elsif($td_template->{$td}->{int36} && $tariff_content->{$tid}->{int36} && $tariff_content->{$tid}->{int36} > 0){
		  $tariff_content->{$tid}->{int36} =~ s/\./,/;
		  $time_unit = $dbt->time_format($tariff_content->{$tid}->{time01});
                  $response_out->{$bike}->{rental_description}->{tarif_elements}->{$td} = ["$td_template->{$td}->{int36}", "$tariff_content->{$tid}->{int36} € / $time_unit"];
		 }elsif($td_template->{$td}->{int17} && $tariff_content->{$tid}->{int17} && $tariff_content->{$tid}->{int17} > 0){
		  $tariff_content->{$tid}->{int17} =~ s/\./,/;
                  $response_out->{$bike}->{rental_description}->{tarif_elements}->{$td} = ["$td_template->{$td}->{int17}","$tariff_content->{$tid}->{int17} € / Tag"];
		 }elsif($td_template->{$td}->{time02} && $tariff_content->{$tid}->{time02} =~ /[1-9]/){
                  $time_unit = $dbt->time_format($tariff_content->{$tid}->{time02});
                  $response_out->{$bike}->{rental_description}->{tarif_elements}->{$td} = ["$td_template->{$td}->{time02}","$time_unit / Tag"];
                 }
                }#end new rental_description

	     }
	  }
	  #just like caching
	  $return2copri->{$bike}->{int11} = 3;#system
	  $return2copri->{$bike}->{int25} = 1;#tracking on
          $return2copri->{$bike}->{barcode} = $bike_id;
          $return2copri->{$bike}->{txt22} = $resp->{id};#sig bikeId used by rental
          $return2copri->{$bike}->{int04} = $1 if($response_out->{$bike}->{station} =~ /(\d+)/);
          $return2copri->{$bike}->{txt01} = "$response_out->{$bike}->{description}";
          $return2copri->{$bike}->{int25} = "1" if($resp->{gps_tracker_id});
          $return2copri->{$bike}->{txt06} = "$response_out->{$bike}->{gps}->{latitude},$response_out->{$bike}->{gps}->{longitude}";
          $return2copri->{$bike}->{int19} = $1 if($response_out->{$bike}->{bike_charge} =~ /(\d+)/);
	  while (my ($key, $value) = each %{ $dbt->{copri_conf}->{bike_state} }) {
   	   if($response_out->{$bike}->{state} eq $value){
            $return2copri->{$bike}->{int10} = $key;
   	   }
 	  }
	  while (my ($key, $value) = each %{ $dbt->{copri_conf}->{lock_state} }) {
   	   if($response_out->{$bike}->{lock_state} eq $value){
            $return2copri->{$bike}->{int20} = $key;
   	   }
 	  }
	  #delete if $resp->{status} ne "ACTIVE" || reservation_state ne Reserved|Active-Rental 
	  delete $response_out->{$bike} if(uc($resp->{status}) ne "ACTIVE" || $resp->{reservation_state});#don't view not active bikes 
	}
       }#end bikes_available

     }
   }
 };
 if ($@){
   print FILE "<--- failure get_bikes raw response_in with status_line: $ret_status\n" . Dumper($ret_json) . "\n";
   #warn $@;
   print FILE "warn:" . $@ . "\n";
 }

 print FILE "sig_available response_out from response_in\n" . Dumper($response_out) . "\n";
 close(FILE);

 return ($response_out,$return2copri);
}#end sig_available

#bike smartlock unlocking
sub sig_unlock {
 my $self = shift;
 my $varenv = shift || {};
 my $todo = shift || "";
 my $ctadr = shift || {};
 my $ct_bike = shift || {};
 my $ctpos = shift || {};
 my $sig_bikeId = $ctpos->{txt22} || $ct_bike->{txt22};

 my $dbh = "";
 my $owner = 169;
 my $sig_book = {};
 my $rows = 0;

 open(FILE,">>$varenv->{logdir}/APIsigclient.log");
 print FILE "\n3. *** $now_dt 'sig_unlock' \n";

 my $endpoint = "$dbt->{operator}->{$varenv->{dbname}}->{endpoint}/bikes/unlock/$sig_bikeId";
 my $response_out = {};
 my $return2copri = {};
 my $rest_json = "";
 my $ret_json = "failure: ret_json";
 my $ret_status = "failure: ret_status";
 ($ret_json, $ret_status) = $self->get_sig("$endpoint",$rest_json);
 eval {
   $sig_book = decode_json($ret_json);
   $now_dt = strftime "%Y-%m-%d %H:%M:%S", localtime;
   print FILE "<--- $now_dt sig_unlock sig_book json with status_line: $ret_status:\n" . Dumper($sig_book) . "\n";

 };
 if ($@){
   print FILE "<--- $now_dt failure sig_unlock raw ret_json with status_line: $ret_status\n" . Dumper($ret_json) . "\n"; 
   #warn $@;
   print FILE "warn:" . $@ . "\n";
 }

 #save always API return state for documentation
 $sig_book->{return_state} = "$now_dt $todo: $ret_status";

 if($ctpos->{c_id}){
   my $rows = 0;
   my $update_pos = {
       table   => "contenttranspos",
       mtime   => "now()",
       owner   => "169",
       txt25 => "$ctpos->{txt25}\n$sig_book->{return_state}",
   };
   my $update_content = {
       table   => "content",
       mtime   => "now()",
       owner   => "169",
       c_id    => $ctpos->{cc_id},
   };
   
   $update_pos->{int20} = 2 if($ret_json eq "Bike unlocked");
   $update_content->{int20} = 2 if($ret_json eq "Bike unlocked");

   $rows = $dbt->update_record($dbh,$update_pos,$ctpos);
   print FILE "<--- rows: $rows, update_pos: $ctpos->{c_id}, with:" . Dumper($update_pos) . "\n";

   if($ctpos->{cc_id} && $ret_json eq "Bike unlocked"){
      $rows = $dbt->update_record($dbh,$update_content,$update_content);
      print FILE "<--- rows: $rows, update_content: $ctpos->{cc_id}, with:" . Dumper($update_content) . "\n";
   }

 }

 print FILE "sig_unlock ret_json from response_in\n" . Dumper($ret_json) . "\n";
 close(FILE);

 return $sig_book;
}

#POST resverve, rental, ...
#will be called by sig_client
sub sig_booking {
 my $self = shift;
 my $varenv = shift || {};
 my $todo = shift || "";
 my $ctadr = shift || {};
 my $ct_bike = shift || {};
 my $ctpos = shift || {};

 my $dbh = "";
 my $owner = 169;
 my $sig_book = {};

 open(FILE,">>$varenv->{logdir}/APIsigclient.log");
 print FILE "\n2. *** $now_dt 'sig_post $todo' \n";

 my $endpoint = "$dbt->{operator}->{$varenv->{dbname}}->{endpoint}/";
 my %json = ();

 #reservation start
 if($todo eq "reserve"){
   $endpoint .= "bikes/reserve";
   %json = (
        bikeId => "$ct_bike->{txt22}",
        email => "$ctadr->{txt08}"
   );
 }
 #reservation end, this sig request is still not defined. maybe end by rentalId
 #int10 state will be set on booking_request
 elsif($todo eq "reserve_end"){
   $endpoint .= "bikes/reserve/end";
   %json = (
 	rentalId => "$ctpos->{txt11}",
	email => "$ctadr->{txt08}"
   );
 }
 #rental start
 #int10 state will be set on main booking_update
 elsif($todo eq "rental"){
   $endpoint .= "rental";
   my $sig_bikeId = $ctpos->{txt22} || $ct_bike->{txt22};
   %json = (
	bikeId => "$sig_bikeId",
	email => "$ctadr->{txt08}"
   );
 }
 #rental end
 elsif($todo eq "rental_end"){
   $endpoint .= "rental/end";
   %json = (
 	rentalId => "$ctpos->{txt11}",
	email => "$ctadr->{txt08}"
   );
   #keep in mind, it will return no json, just text: "Rental Ended"
 }
 #rentals running
 #TODO, execute it before user_bikes_occupied
 elsif($todo eq "rentals_running"){
   $endpoint .= "rentals/running";
   %json = (
	email => "$ctadr->{txt08}"
   );
 }

 else{
  print "Failure, request $todo not defined\n";

 }

 print FILE "---> DATA $endpoint:\n" . Dumper(\%json) . "\n";

 if(ref(\%json) eq "HASH" && $json{email}){
  my $rest_json = encode_json(\%json);

  (my $ret_json, my $ret_status) = $self->post_sig($endpoint,$rest_json);
  $now_dt = strftime "%Y-%m-%d %H:%M:%S", localtime;
   eval {
     $sig_book = decode_json($ret_json);
     print FILE "<--- $now_dt sig_booking sig_post $todo response_in with status_line: $ret_status\n" . Dumper($sig_book);
     #print $ret_json . "\n";

   };
   if ($@){
     print FILE "<--- $now_dt failure sig_booking sig_post $todo raw response_in with status_line: $ret_status\n" . Dumper($ret_json) . "\n";
     #warn $@;
     print FILE "warn:" . $@ . "\n";
   }

   #save always API return state for documentation
   $sig_book->{return_state} = "$now_dt $todo: $ret_status";
 }

 if(ref($sig_book) ne "HASH"){
    $sig_book = {
       bikeId => "",
       rentalId => "",
    };
    print FILE "<--- $now_dt failure sig_booking sig_post $todo , reset sig_book hash to empty\n";
 }

 if($ctpos->{c_id}){
   my $rows = 0;
   my $update_pos = {
       table   => "contenttranspos",
       mtime   => "now()",
       owner   => "169",
   };
   my $update_content = {
       table   => "content",
       mtime   => "now()",
       owner   => "169",
       c_id    => $ctpos->{cc_id},
   };

   #rentalId will be only on success!
   if($sig_book->{rentalId}){
     $update_pos->{txt11} = "$sig_book->{rentalId}";
   }
   if($todo eq "reserve" || $todo eq "rental"){
    #mark it as unlocked if rentalId on rental 
    if($todo eq "rental" && $sig_book->{rentalId}){
     $update_pos->{int20} = 2;
     $update_content->{int20} = 2;
    }
    #without rentalId, bike will be available and unlocked!
    else{
     $update_pos->{int10} = 1;
     $update_pos->{int20} = 1;
     $update_content->{int10} = 1;
     $update_content->{int20} = 1;
    }
   }
   
   #keep in mind, all other states will be done on REST, hopefully
   $update_pos->{txt25} = "$ctpos->{txt25}\n$sig_book->{return_state}";# if($sig_book->{return_state});
   $rows = $dbt->update_record($dbh,$update_pos,$ctpos);
   print FILE "<--- rows: $rows, update_pos: $ctpos->{c_id}, with:" . Dumper($update_pos) . "\n";

   if($ctpos->{cc_id}){
      $rows = $dbt->update_record($dbh,$update_content,$update_content);
      print FILE "<--- rows: $rows, update_content: $ctpos->{cc_id}, with:" . Dumper($update_content) . "\n";
   }

 }

 close(FILE);
 return $sig_book;
}


#main GET
sub get_sig {
 my $self = shift;
 my $endpoint = shift || "";
 my $rest_json = shift || "";
 my $sig_request = "$endpoint";

 print FILE "===> GET sig >> " . $sig_request . "\n" . $rest_json . "\n";

 my $req = HTTP::Request->new(GET => "$sig_request");
 $req->content_type('application/json');

 $req->content($rest_json);

 my $res = $ua->request($req);
 if ($res->is_success) {
  #print $res->content;
  #print $res->status_line, "\n";
  return ($res->content, $res->status_line);
 }else {
  #print $res->status_line, "\n";
  return ("", $res->status_line);
 }
}

#main POST
sub post_sig {
 my $self = shift;
 my $endpoint = shift || "";
 my $rest_json = shift || "";
 my $sig_request = "$endpoint";

 print FILE "===> POST sig >> " . $sig_request . "\n" . $rest_json . "\n";

 my $req = HTTP::Request->new(POST => "$sig_request");
 $req->content_type('application/json');

 $req->content($rest_json);

 my $res = $ua->request($req);
 if ($res->is_success) {
  #print $res->content;
  #print $res->status_line, "\n";
  return ($res->content, $res->status_line);
 }else {
  #print $res->status_line, "\n";
  return ("", $res->status_line);
 }
}

1;