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1 | <?php |
2 | require_once(dirname(dirname(__FILE__)) . '/config.php'); |
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3 | |
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4 | if (empty($CFG->enableportfolios)) { |
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5 | print_error('disabled', 'portfolio'); |
6 | } |
7 | |
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8 | require_once($CFG->libdir . '/portfoliolib.php'); |
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9 | require_once($CFG->libdir . '/formslib.php'); |
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10 | |
11 | $cancel = optional_param('cancel', 0, PARAM_RAW); |
12 | |
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13 | $exporter = null; |
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14 | $dataid = 0; |
15 | |
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16 | if (!$dataid = optional_param('id', '', PARAM_INT) ) { |
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17 | if (isset($SESSION->portfolioexport)) { |
18 | $dataid = $SESSION->portfolioexport; |
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19 | } |
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20 | } |
21 | if ($dataid) { |
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22 | try { |
23 | $exporter = portfolio_exporter::rewaken_object($dataid); |
24 | } catch (portfolio_exception $e) { |
25 | if ($cancel) { |
26 | unset($SESSION->portfolioexport); |
27 | redirect($CFG->wwwroot); |
28 | } else { |
29 | throw $e; |
30 | } |
31 | } |
32 | if ($cancel) { |
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33 | $exporter->cancel_request(); |
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34 | } |
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35 | $exporter->verify_rewaken(); |
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36 | if (!$exporter->get('instance')) { |
37 | if ($instance = optional_param('instance', '', PARAM_INT)) { |
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38 | try { |
39 | $instance = portfolio_instance($instance); |
40 | } catch (portfolio_exception $e) { |
41 | portfolio_export_rethrow_exception($exporter, $e); |
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42 | } |
43 | if ($broken = portfolio_instance_sanity_check($instance)) { |
44 | print_error(get_string($broken[$instance->get('id')], 'portfolio_' . $instance->get('plugin'))); |
45 | } |
46 | $instance->set('user', $USER); |
47 | $exporter->set('instance', $instance); |
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48 | $exporter->save(); |
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49 | } |
50 | } |
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51 | } else { |
52 | // we'e just posted here for the first time and have might the instance already |
53 | if ($instance = optional_param('instance', 0, PARAM_INT)) { |
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54 | try { |
55 | $instance = portfolio_instance($instance); |
56 | } catch (portfolio_exception $e) { |
57 | portfolio_export_rethrow_exception($exporter, $e); |
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58 | } |
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59 | if ($broken = portfolio_instance_sanity_check($instance)) { |
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60 | throw new portfolio_exception($broken[$instance->get('id')], 'portfolio_' . $instance->get('plugin')); |
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61 | } |
62 | $instance->set('user', $USER); |
63 | } else { |
64 | $instance = null; |
65 | } |
66 | |
67 | $callbackfile = required_param('callbackfile', PARAM_PATH); |
68 | $callbackclass = required_param('callbackclass', PARAM_ALPHAEXT); |
69 | |
70 | $callbackargs = array(); |
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71 | foreach (array_keys(array_merge($_GET, $_POST)) as $key) { |
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72 | if (strpos($key, 'ca_') === 0) { |
73 | if (!$value = optional_param($key, false, PARAM_ALPHAEXT)) { |
74 | if (!$value = optional_param($key, false, PARAM_NUMBER)) { |
75 | $value = optional_param($key, false, PARAM_PATH); |
76 | } |
77 | } |
78 | $callbackargs[substr($key, 3)] = $value; |
79 | } |
80 | } |
81 | require_once($CFG->dirroot . $callbackfile); |
82 | $caller = new $callbackclass($callbackargs); |
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83 | $caller->set('user', $USER); |
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84 | if (!$caller->check_permissions()) { |
85 | print_error('nopermissions', 'portfolio', $caller->get_return_url()); |
86 | } |
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87 | |
88 | // for build navigation |
89 | if (!$course = $caller->get('course')) { |
90 | $course = optional_param('course', 0, PARAM_INT); |
91 | } |
92 | |
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93 | if (!empty($course) && is_numeric($course)) { |
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94 | $course = $DB->get_record('course', array('id' => $course), 'id,shortname,fullname'); |
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95 | // this is yuk but used in build_navigation |
96 | } |
97 | |
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98 | $COURSE = $course; |
99 | |
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100 | list($extranav, $cm) = $caller->get_navigation(); |
101 | $extranav[] = array('type' => 'title', 'name' => get_string('exporting', 'portfolio')); |
102 | $navigation = build_navigation($extranav, $cm); |
103 | |
104 | $exporter = new portfolio_exporter($instance, $caller, $callbackfile, $navigation); |
105 | $exporter->set('user', $USER); |
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106 | $exporter->set('sesskey', sesskey()); |
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107 | $exporter->save(); |
108 | $SESSION->portfolioexport = $exporter->get('id'); |
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109 | } |
110 | |
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111 | if (!$exporter->get('instance')) { |
112 | // we've just arrived but have no instance |
113 | // so retrieve everything from the request, |
114 | // add them as hidden fields in a new form |
115 | // to select the instance and post back here again |
116 | // for the next block to catch |
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117 | $mform = new portfolio_instance_select('', array('caller' => $exporter->get('caller'))); |
118 | if ($mform->is_cancelled()) { |
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119 | $exporter->cancel_request(); |
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120 | } else if ($fromform = $mform->get_data()){ |
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121 | redirect($CFG->wwwroot . '/portfolio/add.php?instance=' . $fromform->instance . '&id=' . $exporter->get('id')); |
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122 | exit; |
123 | } |
124 | else { |
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125 | $exporter->print_header('selectplugin'); |
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126 | print_simple_box_start(); |
127 | $mform->display(); |
128 | print_simple_box_end(); |
129 | print_footer(); |
130 | exit; |
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131 | } |
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132 | } |
133 | |
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134 | if (!$stage = optional_param('stage', PORTFOLIO_STAGE_CONFIG)) { |
135 | $stage = $exporter->get('stage'); |
136 | } |
137 | |
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138 | $alreadystolen = false; |
139 | // for places returning control to pass (rather than PORTFOLIO_STAGE_PACKAGE |
140 | // which is unstable if they can't get to the constant (eg external system) |
141 | if ($postcontrol = optional_param('postcontrol', 0, PARAM_INT)) { |
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142 | try { |
143 | $exporter->instance()->post_control($stage, array_merge($_GET, $_POST)); |
144 | } catch (portfolio_plugin_exception $e) { |
145 | portfolio_export_rethrow_exception($exporter, $e); |
146 | } |
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147 | $alreadystolen = true; |
148 | } |
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149 | |
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150 | $exporter->process_stage($stage, $alreadystolen); |
151 | |
152 | ?> |