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annotate Lib/IMPL/Web/Handler/JSONView.pm @ 298:78f767765706

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TT view refactoring
author cin
date Tue, 19 Mar 2013 02:02:37 +0400
parents 52aae1b85084
children
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1 package IMPL::Web::Handler::JSONView;
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2 use strict;
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3 use JSON;
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4
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5 use IMPL::lang qw(is);
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6 use IMPL::Const qw(:prop);
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7 use IMPL::declare {
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8 require => {
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9 HttpResponse => 'IMPL::Web::HttpResponse',
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10 ViewResult => '-IMPL::Web::ViewResult',
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11 Loader => 'IMPL::Code::Loader'
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12 },
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13 base => [
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14 'IMPL::Object' => undef,
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15 'IMPL::Object::Serializable' => undef,
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16 'IMPL::Object::Autofill' => '@_'
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17 ],
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18 props => [
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19 transform => PROP_RW
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20 ]
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21 };
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22
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23 sub contentType {
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24 'application/json'
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25 }
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26
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27 sub Invoke {
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28 my ($this,$action,$next) = @_;
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29
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30 my $result = $next ? $next->($action) : undef;
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31
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32
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33 my $model = ( ref $result and is($result,ViewResult) )
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34 ? $result->model
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35 : $result;
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36
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37 $model = [$model] unless ref $model;
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38
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39 if (my $factory = $this->transform) {
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40 Loader->safe->Require($factory) unless ref $factory;
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41 my $t = $this->transform->new();
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42 $model = $t->Transform($model);
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43 }
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44
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45 my %params = (
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46 type => $this->contentType,
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47 charset => 'utf-8',
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48 body => JSON->new->utf8->pretty->encode($model)
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49 );
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50
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51 if(is($result,ViewResult)) {
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52 $params{status} = $result->status if $result->status;
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53 $params{headers} = $result->headers if $result->headers;
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54 $params{cookies} = $result->cookies if $result->cookies;
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55 }
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56
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57 return HttpResponse->new(
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58 %params
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59 );
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60 }
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61
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62 1;
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63
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64 __END__
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65
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66 =pod
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67
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68 =head1
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69
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70 =cut