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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# This Source Code Form is "Incompatible With Secondary Licenses", as
# defined by the Mozilla Public License, v. 2.0.

package Bugzilla::Extension::GuidedBugEntry;

use 5.10.1;
use strict;
use warnings;

use base qw(Bugzilla::Extension);

use Bugzilla::Token;
use Bugzilla::Error;
use Bugzilla::Status;
use Bugzilla::Util 'url_quote';
use Bugzilla::UserAgent;
use Bugzilla::Extension::BMO::Data;

our $VERSION = '1';

sub enter_bug_start {
  my ($self, $args) = @_;
  my $vars     = $args->{vars};
  my $template = Bugzilla->template;
  my $cgi      = Bugzilla->cgi;
  my $user     = Bugzilla->user;

  # hack for skipping old guided code when enabled
  $vars->{'disable_guided'} = 1;

  # force guided format for new users
  my $format = $cgi->param('format') || '';
  if ($cgi->param('maketemplate')) {
    $format = '__default__';
  }

  if ($format eq 'guided' || ($format eq '' && !$user->in_group('editbugs'))) {

    # skip the first step if a product is provided
    if ($cgi->param('product')) {
      print $cgi->redirect('enter_bug.cgi?format=guided'
          . ($cgi->param('format_forced') ? '&format_forced=1' : '')
          . '#h=dupes' . '|'
          . url_quote($cgi->param('product')) . '|'
          . url_quote($cgi->param('component') || ''));
      exit;
    }

    # Do not redirect to product forms if we came from there already
    $vars->{'format_forced'} = 1 if $cgi->param('format_forced');

    $self->_init_vars($vars);
    print $cgi->header();
    $template->process('guided/guided.html.tmpl', $vars)
      || ThrowTemplateError($template->error());
    exit;
  }

  # we use the __default__ format to bypass the guided entry
  # it isn't understood upstream, so remove it once a product
  # has been selected.
  if ( ($cgi->param('format') && $cgi->param('format') eq "__default__")
    && ($cgi->param('product') && $cgi->param('product') ne ''))
  {
    $cgi->delete('format');
  }
}

sub _init_vars {
  my ($self, $vars) = @_;
  my $user = Bugzilla->user;

  my @enterable_products = @{$user->get_enterable_products};
  ThrowUserError('no_products') unless scalar(@enterable_products);

  my @classifications = ({object => undef, products => \@enterable_products});

  my $class;
  foreach my $product (@enterable_products) {
    $class->{$product->classification_id}->{'object'}
      ||= new Bugzilla::Classification($product->classification_id);
    push(@{$class->{$product->classification_id}->{'products'}}, $product);
  }
  @classifications = sort {
    $a->{'object'}->sortkey <=> $b->{'object'}->sortkey
      || lc($a->{'object'}->name) cmp lc($b->{'object'}->name)
  } (values %$class);
  $vars->{'classifications'} = \@classifications;

  my @open_states = BUG_STATE_OPEN();
  $vars->{'open_states'} = \@open_states;

  $vars->{'token'} = issue_session_token('create_bug');

  $vars->{'platform'} = detect_platform();
  $vars->{'op_sys'}   = detect_op_sys();
  $vars->{'webdev'}   = Bugzilla->cgi->param('webdev');
}

sub page_before_template {
  my ($self, $args) = @_;
  my $page = $args->{'page_id'};
  my $vars = $args->{'vars'};
  my $cgi  = Bugzilla->cgi;

  return unless $page eq 'guided_products.js';

  if (!$cgi->param('format_forced')) {
    my %bug_formats;
    foreach my $product (keys %create_bug_formats) {
      if (my $format = Bugzilla::Extension::BMO::forced_format($product)) {
        $bug_formats{$product} = $format;
      }
    }
    $vars->{'create_bug_formats'} = \%bug_formats;
  }

  $vars->{'webdev'} = $cgi->param('webdev');
}

__PACKAGE__->NAME;