Page Comparison

#!/usr/bin/env perl
use strict;
use warnings;
use feature 'say';
use JSON;
use Data::Dumper;
use LWP::UserAgent;
use HTTP::CookieJar::LWP;

my $ua = LWP::UserAgent->new(
  cookie_jar => HTTP::CookieJar::LWP->new,
);

my $host = 'folio-snapshot-okapi.dev.folio.org';

my $x_okapi_token = '';
my $res = $ua->post(
   'https://folio-snapshot-okapi.dev.folio.org' . $host . '/authn/login-with-expiry',
  'Accept' => 'text/plain',
  'content-type' => 'application/json',
  'x-okapi-tenant' => 'diku',
  'x-okapi-token' => '',
  'Content' => '{ "username": "diku_admin",
                  "password": "admin" }',
);
if ( $res->is_success ) {
  if ( $res->status_line =~ /^201 / ) { 
    my $headers$ref = $res->headers()->as_string;
    my @lines = split /\n/, $headers;
    foreach my $line ( @lines ) {
      say $line;
      if ( $line =~ /^X-Okapi-Token: (.+)$/ ) {
       $ua->cookie_jar;
    my %cookies = %$ref;
    $x_okapi_token = $1;
        last;
      }
    }$cookies{store}{$host}{'/'}{folioAccessToken}{value};
  }
} else {
  say STDERR 'failed:';
  say STDERR $res->status_line;
  say STDERR $res->decoded_content;
}

die 'No okapi token retrieved' unless $x_okapi_token;

my @folioUsers;
my $totalRecords = 0;
my $offset = 0;
{ 
  do {
    ( $offset, $totalRecords, @folioUsers ) = getUsers( $offset, @folioUsers );
    say $offset;
  } while ( $offset < $totalRecords );
}

say 'TotalRecords: ', $totalRecords;
say 'Records retrieved: ', scalar @folioUsers;
say Dumper @folioUsers;

exit 0;

# -------------- subroutines ----------------------#
sub getUsers {
  my ( $offset, @folioUsers ) = @_;
  say 'offset: ', $offset;
  my $jsonString;
  $res = $ua->get(
    'https://folio-snapshot-okapi.dev.folio.org/users?limit=10&query=(active=="true")&offset=' . $offset,
    'Accept' => 'text/plain',
    'content-type' => 'application/json',
    'x-okapi-tenant' => 'diku',
    'x-okapi-token' => "$x_okapi_token"
  );
  if ( $res->is_success ) {
    if ( $res->status_line ne '200 OK' ) { 
      say STDERR 'not ok:';
      say STDERR $res->status_line;
      say STDERR $res->decoded_content;
      return;
    }
    $jsonString = $res->decoded_content;
  } else {
    say STDERR 'failed:';
    say STDERR $res->status_line;
    say STDERR $res->decoded_content;
    return;
  }
  my $ref = JSON->new->decode( $jsonString );
  my %hash = %$ref;
  my $totalRecords = $hash{'totalRecords'};
  my @users = $hash{users};
  foreach ( @users ) {
    my @records = @$_;
    foreach my $ref ( @records ) {
      push @folioUsers, JSON->new->encode( $ref );
      $offset++;
    }
  }
  return $offset, $totalRecords, @folioUsers;
}
__END__