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1 | <?php |
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2 | namespace Elgg\Database; |
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3 | |||
4 | /** |
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5 | * WARNING: API IN FLUX. DO NOT USE DIRECTLY. |
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6 | * |
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7 | * Controls all admin notices in the system. |
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8 | * |
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9 | * @access private |
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10 | * |
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11 | * @package Elgg.Core |
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12 | * @subpackage Database |
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13 | * @since 1.10.0 |
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14 | */ |
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15 | class AdminNotices { |
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16 | /** |
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17 | * Write a persistent message to the admin view. |
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18 | * Useful to alert the admin to take a certain action. |
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19 | * The id is a unique ID that can be cleared once the admin |
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20 | * completes the action. |
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21 | * |
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22 | * eg: add_admin_notice('twitter_services_no_api', |
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23 | * 'Before your users can use Twitter services on this site, you must set up |
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24 | * the Twitter API key in the <a href="link">Twitter Services Settings</a>'); |
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25 | * |
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26 | * @param string $id A unique ID that your plugin can remember |
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27 | * @param string $message Body of the message |
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28 | * |
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29 | * @return bool |
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30 | */ |
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31 | function add($id, $message) { |
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32 | if (!$id || !$message) { |
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33 | return false; |
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34 | } |
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35 | |||
36 | if (elgg_admin_notice_exists($id)) { |
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37 | return false; |
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38 | } |
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39 | |||
40 | // need to handle when no one is logged in |
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41 | $old_ia = elgg_set_ignore_access(true); |
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42 | |||
43 | $admin_notice = new \ElggObject(); |
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44 | $admin_notice->subtype = 'admin_notice'; |
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45 | // admins can see ACCESS_PRIVATE but no one else can. |
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46 | $admin_notice->access_id = ACCESS_PRIVATE; |
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47 | $admin_notice->admin_notice_id = $id; |
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48 | $admin_notice->description = $message; |
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49 | |||
50 | $result = $admin_notice->save(); |
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51 | |||
52 | elgg_set_ignore_access($old_ia); |
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53 | |||
54 | return (bool) $result; |
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55 | } |
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56 | |||
57 | /** |
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58 | * Remove an admin notice by ID. |
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59 | * |
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60 | * eg In actions/twitter_service/save_settings: |
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61 | * if (is_valid_twitter_api_key()) { |
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62 | * delete_admin_notice('twitter_services_no_api'); |
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63 | * } |
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64 | * |
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65 | * @param string $id The unique ID assigned in add_admin_notice() |
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66 | * |
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67 | * @return bool |
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68 | */ |
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69 | function delete($id) { |
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70 | if (!$id) { |
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71 | return false; |
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72 | } |
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73 | |||
74 | $result = true; |
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75 | |||
76 | $notices = elgg_get_entities_from_metadata([ |
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77 | 'type' => 'object', |
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78 | 'subtype' => 'admin_notice', |
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79 | 'metadata_name' => 'admin_notice_id', |
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80 | 'metadata_value' => $id, |
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81 | 'limit' => false, |
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82 | 'batch' => true, |
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83 | 'batch_inc_offset' => false, |
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84 | ]); |
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85 | |||
86 | // in case a bad plugin adds many, let it remove them all at once. |
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87 | foreach ($notices as $notice) { |
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88 | $result = ($result && $notice->delete()); |
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89 | } |
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90 | return $result; |
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91 | } |
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92 | |||
93 | /** |
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94 | * Get admin notices. An admin must be logged in since the notices are private. |
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95 | * |
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96 | * @param array $options Query options |
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97 | * |
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98 | * @return \ElggObject[] Admin notices |
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99 | */ |
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100 | function find(array $options = []) { |
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101 | $options = array_merge($options, [ |
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102 | 'type' => 'object', |
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103 | 'subtype' => 'admin_notice', |
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104 | ]); |
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105 | |||
106 | return _elgg_services()->metadataTable->getEntities($options); |
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107 | } |
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108 | |||
109 | /** |
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110 | * Check if an admin notice is currently active. |
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111 | * |
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112 | * @param string $id The unique ID used to register the notice. |
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113 | * |
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114 | * @return bool |
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115 | * @since 1.8.0 |
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116 | */ |
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117 | function exists($id) { |
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118 | $old_ia = elgg_set_ignore_access(true); |
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119 | $notice = elgg_get_entities_from_metadata([ |
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120 | 'type' => 'object', |
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121 | 'subtype' => 'admin_notice', |
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122 | 'metadata_name_value_pair' => ['name' => 'admin_notice_id', 'value' => $id], |
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123 | 'count' => true, |
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124 | ]); |
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125 | elgg_set_ignore_access($old_ia); |
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126 | |||
127 | return ($notice) ? true : false; |
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128 | } |
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129 | } |
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130 |
Adding explicit visibility (
private
,protected
, orpublic
) is generally recommend to communicate to other developers how, and from where this method is intended to be used.