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1 | <?php |
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2 | |||
3 | namespace SilverStripe\Comments\Extensions; |
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4 | |||
5 | use SilverStripe\CMS\Model\SiteTree; |
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6 | use SilverStripe\Comments\Admin\CommentsGridField; |
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7 | use SilverStripe\Comments\Admin\CommentsGridFieldConfig; |
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8 | use SilverStripe\Comments\Controllers\CommentingController; |
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9 | use SilverStripe\Comments\Model\Comment; |
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10 | use SilverStripe\Control\Controller; |
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11 | use SilverStripe\Control\Director; |
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12 | use SilverStripe\Control\Session; |
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13 | use SilverStripe\Core\Config\Config; |
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14 | use SilverStripe\Core\Manifest\ModuleLoader; |
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15 | use SilverStripe\Dev\Deprecation; |
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16 | use SilverStripe\Forms\CheckboxField; |
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17 | use SilverStripe\Forms\DropdownField; |
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18 | use SilverStripe\Forms\FieldGroup; |
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19 | use SilverStripe\Forms\FieldList; |
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20 | use SilverStripe\Forms\Tab; |
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21 | use SilverStripe\Forms\TabSet; |
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22 | use SilverStripe\ORM\DataExtension; |
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23 | use SilverStripe\ORM\PaginatedList; |
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24 | use SilverStripe\Security\Member; |
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25 | use SilverStripe\Security\Permission; |
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26 | use SilverStripe\View\Requirements; |
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27 | |||
28 | /** |
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29 | * Extension to {@link DataObject} to enable tracking comments. |
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30 | * |
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31 | * @package comments |
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32 | */ |
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33 | class CommentsExtension extends DataExtension |
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34 | { |
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35 | /** |
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36 | * Default configuration values |
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37 | * |
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38 | * enabled: Allows commenting to be disabled even if the extension is present |
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39 | * enabled_cms: Allows commenting to be enabled or disabled via the CMS |
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40 | * require_login: Boolean, whether a user needs to login (required for required_permission) |
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41 | * require_login_cms: Allows require_login to be set via the CMS |
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42 | * required_permission: Permission (or array of permissions) required to comment |
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43 | * include_js: Enhance operation by ajax behaviour on moderation links (required for use_preview) |
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44 | * use_gravatar: Set to true to show gravatar icons |
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45 | * gravatar_default: Theme for 'not found' gravatar {@see http://gravatar.com/site/implement/images} |
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46 | * gravatar_rating: Gravatar rating (same as the standard default) |
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47 | * show_comments_when_disabled: Show older comments when commenting has been disabled. |
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48 | * order_comments_by: Default sort order. |
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49 | * order_replies_by: Sort order for replies. |
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50 | * comments_holder_id: ID for the comments holder |
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51 | * comment_permalink_prefix: ID prefix for each comment |
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52 | * require_moderation: Require moderation for all comments |
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53 | * require_moderation_cms: Ignore other comment moderation config settings and set via CMS |
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54 | * frontend_moderation: Display unmoderated comments in the frontend, if the user can moderate them. |
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55 | * frontend_spam: Display spam comments in the frontend, if the user can moderate them. |
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56 | * html_allowed: Allow for sanitized HTML in comments |
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57 | * use_preview: Preview formatted comment (when allowing HTML) |
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58 | * nested_comments: Enable nested comments |
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59 | * nested_depth: Max depth of nested comments in levels (where root is 1 depth) 0 means no limit. |
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60 | * |
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61 | * @var array |
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62 | * |
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63 | * @config |
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64 | */ |
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65 | private static $comments = [ |
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66 | 'enabled' => true, |
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67 | 'enabled_cms' => false, |
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68 | 'require_login' => false, |
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69 | 'require_login_cms' => false, |
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70 | 'required_permission' => false, |
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71 | 'include_js' => true, |
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72 | 'use_gravatar' => false, |
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73 | 'gravatar_size' => 80, |
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74 | 'gravatar_default' => 'identicon', |
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75 | 'gravatar_rating' => 'g', |
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76 | 'show_comments_when_disabled' => false, |
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77 | 'order_comments_by' => '"Created" DESC', |
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78 | 'order_replies_by' => false, |
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79 | 'comments_per_page' => 10, |
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80 | 'comments_holder_id' => 'comments-holder', |
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81 | 'comment_permalink_prefix' => 'comment-', |
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82 | 'require_moderation' => false, |
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83 | 'require_moderation_nonmembers' => false, |
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84 | 'require_moderation_cms' => false, |
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85 | 'frontend_moderation' => false, |
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86 | 'frontend_spam' => false, |
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87 | 'html_allowed' => false, |
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88 | 'html_allowed_elements' => ['a', 'img', 'i', 'b'], |
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89 | 'use_preview' => false, |
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90 | 'nested_comments' => false, |
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91 | 'nested_depth' => 2, |
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92 | ]; |
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93 | |||
94 | /** |
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95 | * @var array |
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96 | */ |
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97 | private static $db = [ |
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98 | 'ProvideComments' => 'Boolean', |
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99 | 'ModerationRequired' => 'Enum(\'None,Required,NonMembersOnly\',\'None\')', |
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100 | 'CommentsRequireLogin' => 'Boolean', |
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101 | ]; |
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102 | |||
103 | /** |
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104 | * {@inheritDoc} |
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105 | */ |
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106 | private static $has_many = [ |
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107 | 'Commments' => Comment::class . '.Parent' |
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108 | ]; |
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109 | |||
110 | /** |
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111 | * CMS configurable options should default to the config values, but respect |
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112 | * default values specified by the object |
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113 | */ |
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114 | public function populateDefaults() |
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115 | { |
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116 | $defaults = $this->owner->config()->get('defaults'); |
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117 | |||
118 | // Set if comments should be enabled by default |
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119 | if (isset($defaults['ProvideComments'])) { |
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120 | $this->owner->ProvideComments = $defaults['ProvideComments']; |
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121 | } else { |
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122 | $this->owner->ProvideComments = $this->owner->getCommentsOption('enabled') ? 1 : 0; |
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123 | } |
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124 | |||
125 | // If moderation options should be configurable via the CMS then |
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126 | if (isset($defaults['ModerationRequired'])) { |
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127 | $this->owner->ModerationRequired = $defaults['ModerationRequired']; |
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128 | } elseif ($this->owner->getCommentsOption('require_moderation')) { |
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129 | $this->owner->ModerationRequired = 'Required'; |
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130 | } elseif ($this->owner->getCommentsOption('require_moderation_nonmembers')) { |
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131 | $this->owner->ModerationRequired = 'NonMembersOnly'; |
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132 | } else { |
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133 | $this->owner->ModerationRequired = 'None'; |
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134 | } |
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135 | |||
136 | // Set login required |
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137 | if (isset($defaults['CommentsRequireLogin'])) { |
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138 | $this->owner->CommentsRequireLogin = $defaults['CommentsRequireLogin']; |
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139 | } else { |
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140 | $this->owner->CommentsRequireLogin = $this->owner->getCommentsOption('require_login') ? 1 : 0; |
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141 | } |
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142 | } |
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143 | |||
144 | |||
145 | /** |
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146 | * If this extension is applied to a {@link SiteTree} record then |
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147 | * append a Provide Comments checkbox to allow authors to trigger |
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148 | * whether or not to display comments |
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149 | * |
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150 | * @todo Allow customization of other {@link Commenting} configuration |
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151 | * |
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152 | * @param FieldList $fields |
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153 | */ |
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154 | public function updateSettingsFields(FieldList $fields) |
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155 | { |
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156 | $options = FieldGroup::create()->setTitle(_t(__CLASS__ . '.COMMENTOPTIONS', 'Comments')); |
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157 | |||
158 | // Check if enabled setting should be cms configurable |
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159 | if ($this->owner->getCommentsOption('enabled_cms')) { |
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160 | $options->push(new CheckboxField('ProvideComments', _t('SilverStripe\\Comments\\Model\\Comment.ALLOWCOMMENTS', 'Allow Comments'))); |
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161 | } |
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162 | |||
163 | // Check if we should require users to login to comment |
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164 | if ($this->owner->getCommentsOption('require_login_cms')) { |
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165 | $options->push( |
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166 | new CheckboxField( |
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167 | 'CommentsRequireLogin', |
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168 | _t('Comments.COMMENTSREQUIRELOGIN', 'Require login to comment') |
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169 | ) |
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170 | ); |
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171 | } |
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172 | |||
173 | if ($options->FieldList()->count()) { |
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174 | if ($fields->hasTabSet()) { |
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175 | $fields->addFieldsToTab('Root.Settings', $options); |
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176 | } else { |
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177 | $fields->push($options); |
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178 | } |
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179 | } |
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180 | |||
181 | // Check if moderation should be enabled via cms configurable |
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182 | if ($this->owner->getCommentsOption('require_moderation_cms')) { |
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183 | $moderationField = new DropdownField('ModerationRequired', _t(__CLASS__ . '.COMMENTMODERATION', 'Comment Moderation'), array( |
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184 | 'None' => _t(__CLASS__ . '.MODERATIONREQUIRED_NONE', 'No moderation required'), |
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185 | 'Required' => _t(__CLASS__ . '.MODERATIONREQUIRED_REQUIRED', 'Moderate all comments'), |
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186 | 'NonMembersOnly' => _t( |
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187 | 'SilverStripe\\Comments\\Extensions\\CommentsExtension.MODERATIONREQUIRED_NONMEMBERSONLY', |
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188 | 'Only moderate non-members' |
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189 | ), |
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190 | )); |
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191 | if ($fields->hasTabSet()) { |
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192 | $fields->addFieldsToTab('Root.Settings', $moderationField); |
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193 | } else { |
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194 | $fields->push($moderationField); |
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195 | } |
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196 | } |
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197 | } |
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198 | |||
199 | /** |
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200 | * Get comment moderation rules for this parent |
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201 | * |
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202 | * None: No moderation required |
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203 | * Required: All comments |
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204 | * NonMembersOnly: Only anonymous users |
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205 | * |
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206 | * @return string |
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207 | */ |
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208 | public function getModerationRequired() |
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209 | { |
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210 | if ($this->owner->getCommentsOption('require_moderation_cms')) { |
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211 | return $this->owner->getField('ModerationRequired'); |
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212 | } elseif ($this->owner->getCommentsOption('require_moderation')) { |
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213 | return 'Required'; |
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214 | } elseif ($this->owner->getCommentsOption('require_moderation_nonmembers')) { |
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215 | return 'NonMembersOnly'; |
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216 | } else { |
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217 | return 'None'; |
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218 | } |
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219 | } |
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220 | |||
221 | /** |
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222 | * Determine if users must be logged in to post comments |
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223 | * |
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224 | * @return boolean |
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225 | */ |
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226 | public function getCommentsRequireLogin() |
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227 | { |
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228 | if ($this->owner->getCommentsOption('require_login_cms')) { |
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229 | return (bool) $this->owner->getField('CommentsRequireLogin'); |
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230 | } else { |
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231 | return (bool) $this->owner->getCommentsOption('require_login'); |
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232 | } |
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233 | } |
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234 | |||
235 | /** |
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236 | * Returns the RelationList of all comments against this object. Can be used as a data source |
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237 | * for a gridfield with write access. |
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238 | * |
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239 | * @return DataList |
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240 | */ |
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241 | View Code Duplication | public function AllComments() |
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242 | { |
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243 | $order = $this->owner->getCommentsOption('order_comments_by'); |
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244 | $comments = Comment::get() |
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245 | ->filter('ParentID', $this->owner->ID) |
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246 | ->sort($order); |
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247 | $this->owner->extend('updateAllComments', $comments); |
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248 | return $comments; |
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249 | } |
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250 | |||
251 | /** |
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252 | * Returns all comments against this object, with with spam and unmoderated items excluded, for use in the frontend |
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253 | * |
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254 | * @return DataList |
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255 | */ |
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256 | public function AllVisibleComments() |
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257 | { |
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258 | $list = $this->AllComments(); |
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259 | |||
260 | // Filter spam comments for non-administrators if configured |
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261 | $showSpam = $this->owner->getCommentsOption('frontend_spam') && $this->owner->canModerateComments(); |
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262 | |||
263 | if (!$showSpam) { |
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264 | $list = $list->filter('IsSpam', 0); |
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265 | } |
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266 | |||
267 | // Filter un-moderated comments for non-administrators if moderation is enabled |
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268 | $showUnmoderated = ($this->owner->ModerationRequired === 'None') |
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269 | || ($this->owner->getCommentsOption('frontend_moderation') && $this->owner->canModerateComments()); |
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270 | if (!$showUnmoderated) { |
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271 | $list = $list->filter('Moderated', 1); |
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272 | } |
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273 | |||
274 | $this->owner->extend('updateAllVisibleComments', $list); |
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275 | return $list; |
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276 | } |
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277 | |||
278 | /** |
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279 | * Returns the root level comments, with spam and unmoderated items excluded, for use in the frontend |
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280 | * |
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281 | * @return DataList |
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282 | */ |
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283 | View Code Duplication | public function Comments() |
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284 | { |
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285 | $list = $this->AllVisibleComments(); |
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286 | |||
287 | // If nesting comments, only show root level |
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288 | if ($this->owner->getCommentsOption('nested_comments')) { |
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289 | $list = $list->filter('ParentCommentID', 0); |
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290 | } |
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291 | |||
292 | $this->owner->extend('updateComments', $list); |
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293 | return $list; |
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294 | } |
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295 | |||
296 | /** |
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297 | * Returns a paged list of the root level comments, with spam and unmoderated items excluded, |
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298 | * for use in the frontend |
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299 | * |
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300 | * @return PaginatedList |
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301 | */ |
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302 | View Code Duplication | public function PagedComments() |
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303 | { |
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304 | $list = $this->Comments(); |
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305 | |||
306 | // Add pagination |
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307 | $list = new PaginatedList($list, Controller::curr()->getRequest()); |
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308 | $list->setPaginationGetVar('commentsstart' . $this->owner->ID); |
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309 | $list->setPageLength($this->owner->getCommentsOption('comments_per_page')); |
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310 | |||
311 | $this->owner->extend('updatePagedComments', $list); |
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312 | return $list; |
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313 | } |
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314 | |||
315 | /** |
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316 | * Determine if comments are enabled for this instance |
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317 | * |
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318 | * @return boolean |
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319 | */ |
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320 | public function getCommentsEnabled() |
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321 | { |
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322 | // Don't display comments form for pseudo-pages (such as the login form) |
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323 | if (!$this->owner->exists()) { |
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324 | return false; |
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325 | } |
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326 | |||
327 | // Determine which flag should be used to determine if this is enabled |
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328 | if ($this->owner->getCommentsOption('enabled_cms')) { |
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329 | return (bool) $this->owner->ProvideComments; |
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330 | } |
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331 | |||
332 | return (bool) $this->owner->getCommentsOption('enabled'); |
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333 | } |
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334 | |||
335 | /** |
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336 | * Get the HTML ID for the comment holder in the template |
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337 | * |
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338 | * @return string |
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339 | */ |
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340 | public function getCommentHolderID() |
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341 | { |
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342 | return $this->owner->getCommentsOption('comments_holder_id'); |
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343 | } |
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344 | |||
345 | /** |
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346 | * Permission codes required in order to post (or empty if none required) |
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347 | * |
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348 | * @return string|array Permission or list of permissions, if required |
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349 | */ |
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350 | public function getPostingRequiredPermission() |
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351 | { |
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352 | return $this->owner->getCommentsOption('required_permission'); |
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353 | } |
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354 | |||
355 | /** |
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356 | * Determine if a user can post comments on this item |
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357 | * |
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358 | * @param Member $member Member to check |
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359 | * |
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360 | * @return boolean |
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361 | */ |
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362 | public function canPostComment($member = null) |
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363 | { |
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364 | // Deny if not enabled for this object |
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365 | if (!$this->owner->CommentsEnabled) { |
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366 | return false; |
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367 | } |
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368 | |||
369 | if (!$this->owner->canView($member)) { |
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370 | // deny if current user cannot view the underlying record. |
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371 | return false; |
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372 | } |
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373 | |||
374 | // Check if member is required |
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375 | $requireLogin = $this->owner->CommentsRequireLogin; |
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376 | if (!$requireLogin) { |
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377 | return true; |
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378 | } |
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379 | |||
380 | // Check member is logged in |
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381 | $member = $member ?: Member::currentUser(); |
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382 | if (!$member) { |
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383 | return false; |
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384 | } |
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385 | |||
386 | // If member required check permissions |
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387 | $requiredPermission = $this->owner->PostingRequiredPermission; |
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388 | if ($requiredPermission && !Permission::checkMember($member, $requiredPermission)) { |
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389 | return false; |
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390 | } |
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391 | |||
392 | return true; |
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393 | } |
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394 | |||
395 | /** |
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396 | * Determine if this member can moderate comments in the CMS |
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397 | * |
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398 | * @param Member $member |
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399 | * |
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400 | * @return boolean |
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401 | */ |
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402 | public function canModerateComments($member = null) |
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403 | { |
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404 | // Deny if not enabled for this object |
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405 | if (!$this->owner->CommentsEnabled) { |
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406 | return false; |
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407 | } |
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408 | |||
409 | // Fallback to can-edit |
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410 | return $this->owner->canEdit($member); |
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411 | } |
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412 | |||
413 | /** |
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414 | * Gets the RSS link to all comments |
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415 | * |
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416 | * @return string |
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417 | */ |
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418 | public function getCommentRSSLink() |
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419 | { |
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420 | return Director::absoluteURL('comments/rss'); |
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421 | } |
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422 | |||
423 | /** |
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424 | * Get the RSS link to all comments on this page |
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425 | * |
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426 | * @return string |
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427 | */ |
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428 | public function getCommentRSSLinkPage() |
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429 | { |
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430 | return Controller::join_links( |
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431 | $this->getCommentRSSLink(), |
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432 | str_replace('\\', '-', $this->owner->baseClass()), |
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433 | $this->owner->ID |
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434 | ); |
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435 | } |
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436 | |||
437 | /** |
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438 | * Comments interface for the front end. Includes the CommentAddForm and the composition |
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439 | * of the comments display. |
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440 | * |
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441 | * To customize the html see templates/CommentInterface.ss or extend this function with |
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442 | * your own extension. |
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443 | * |
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444 | * @todo Cleanup the passing of all this configuration based functionality |
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445 | * |
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446 | * @see docs/en/Extending |
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447 | */ |
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448 | public function CommentsForm() |
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449 | { |
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450 | // Check if enabled |
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451 | $enabled = $this->getCommentsEnabled(); |
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452 | if ($enabled && $this->owner->getCommentsOption('include_js')) { |
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453 | $adminThirdPartyDir = ModuleLoader::getModule('silverstripe/admin')->getRelativePath() . '/thirdparty'; |
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454 | Requirements::javascript($adminThirdPartyDir . '/jquery/jquery.js'); |
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455 | Requirements::javascript($adminThirdPartyDir . '/jquery-entwine/dist/jquery.entwine-dist.js'); |
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456 | Requirements::javascript($adminThirdPartyDir . '/jquery-form/jquery.form.js'); |
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457 | Requirements::javascript('silverstripe/comments:thirdparty/jquery-validate/jquery.validate.min.js'); |
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458 | Requirements::add_i18n_javascript('silverstripe/comments:javascript/lang'); |
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459 | Requirements::javascript('silverstripe/comments:javascript/CommentsInterface.js'); |
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460 | } |
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461 | |||
462 | $controller = CommentingController::create(); |
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463 | $controller->setOwnerRecord($this->owner); |
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464 | $controller->setParentClass($this->owner->getClassName()); |
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465 | $controller->setOwnerController(Controller::curr()); |
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466 | |||
467 | $session = Controller::curr()->getRequest()->getSession(); |
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468 | $moderatedSubmitted = $session->get('CommentsModerated'); |
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469 | $session->clear('CommentsModerated'); |
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470 | |||
471 | $form = ($enabled) ? $controller->CommentsForm() : false; |
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472 | |||
473 | // a little bit all over the show but to ensure a slightly easier upgrade for users |
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474 | // return back the same variables as previously done in comments |
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475 | return $this |
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476 | ->owner |
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477 | ->customise(array( |
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478 | 'AddCommentForm' => $form, |
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479 | 'ModeratedSubmitted' => $moderatedSubmitted, |
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480 | )) |
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481 | ->renderWith('CommentsInterface'); |
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482 | } |
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483 | |||
484 | /** |
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485 | * Returns whether this extension instance is attached to a {@link SiteTree} object |
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486 | * |
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487 | * @return bool |
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488 | */ |
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489 | public function attachedToSiteTree() |
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490 | { |
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491 | $class = $this->owner->baseClass(); |
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492 | |||
493 | return (is_subclass_of($class, SiteTree::class)) || ($class == SiteTree::class); |
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494 | } |
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495 | |||
496 | /** |
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497 | * Get the commenting option for this object. |
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498 | * |
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499 | * This can be overridden in any instance or extension to customise the |
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500 | * option available. |
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501 | * |
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502 | * @param string $key |
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503 | * |
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504 | * @return mixed Result if the setting is available, or null otherwise |
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505 | */ |
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506 | public function getCommentsOption($key) |
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507 | { |
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508 | $settings = $this->getCommentsOptions(); |
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509 | $value = null; |
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510 | |||
511 | if (isset($settings[$key])) { |
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512 | $value = $settings[$key]; |
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513 | } |
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514 | |||
515 | // To allow other extensions to customise this option |
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516 | if ($this->owner) { |
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517 | $this->owner->extend('updateCommentsOption', $key, $value); |
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518 | } |
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519 | |||
520 | return $value; |
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521 | } |
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522 | |||
523 | /** |
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524 | * @return array |
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525 | */ |
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526 | public function getCommentsOptions() |
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527 | { |
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528 | $settings = []; |
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$settings is not used, you could remove the assignment.
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$higher = false;
if (rand(1, 6) > 3) {
$higher = true;
} else {
$higher = false;
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Both the
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529 | |||
530 | if ($this->owner) { |
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531 | $settings = $this->owner->config()->get('comments'); |
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532 | } else { |
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533 | $settings = Config::inst()->get(__CLASS__, 'comments'); |
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534 | } |
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535 | |||
536 | return $settings; |
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537 | } |
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538 | |||
539 | /** |
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540 | * Add moderation functions to the current fieldlist |
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541 | * |
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542 | * @param FieldList $fields |
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543 | */ |
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544 | protected function updateModerationFields(FieldList $fields) |
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545 | { |
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546 | Requirements::css('silverstripe/comments:css/cms.css'); |
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547 | |||
548 | $newComments = $this->owner->AllComments()->filter('Moderated', 0); |
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549 | |||
550 | $newGrid = new CommentsGridField( |
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551 | 'NewComments', |
||
552 | _t('CommentsAdmin.NewComments', 'New'), |
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553 | $newComments, |
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554 | CommentsGridFieldConfig::create() |
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555 | ); |
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556 | |||
557 | $approvedComments = $this->owner->AllComments()->filter('Moderated', 1)->filter('IsSpam', 0); |
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558 | |||
559 | $approvedGrid = new CommentsGridField( |
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560 | 'ApprovedComments', |
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561 | _t('CommentsAdmin.Comments', 'Approved'), |
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562 | $approvedComments, |
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563 | CommentsGridFieldConfig::create() |
||
564 | ); |
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565 | |||
566 | $spamComments = $this->owner->AllComments()->filter('Moderated', 1)->filter('IsSpam', 1); |
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567 | |||
568 | $spamGrid = new CommentsGridField( |
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569 | 'SpamComments', |
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570 | _t('CommentsAdmin.SpamComments', 'Spam'), |
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571 | $spamComments, |
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572 | CommentsGridFieldConfig::create() |
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573 | ); |
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574 | |||
575 | $newCount = '(' . count($newComments) . ')'; |
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576 | $approvedCount = '(' . count($approvedComments) . ')'; |
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577 | $spamCount = '(' . count($spamComments) . ')'; |
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578 | |||
579 | if ($fields->hasTabSet()) { |
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580 | $tabs = new TabSet( |
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581 | 'Comments', |
||
582 | new Tab( |
||
583 | 'CommentsNewCommentsTab', |
||
584 | _t('SilverStripe\\Comments\\Admin\\CommentAdmin.NewComments', 'New') . ' ' . $newCount, |
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585 | $newGrid |
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586 | ), |
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587 | new Tab( |
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588 | 'CommentsCommentsTab', |
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589 | _t('SilverStripe\\Comments\\Admin\\CommentAdmin.Comments', 'Approved') . ' ' . $approvedCount, |
||
590 | $approvedGrid |
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591 | ), |
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592 | new Tab( |
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593 | 'CommentsSpamCommentsTab', |
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594 | _t('SilverStripe\\Comments\\Admin\\CommentAdmin.SpamComments', 'Spam') . ' ' . $spamCount, |
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595 | $spamGrid |
||
596 | ) |
||
597 | ); |
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598 | $tabs->setTitle(_t(__CLASS__ . '.COMMENTSTABSET', 'Comments')); |
||
599 | |||
600 | $fields->addFieldToTab('Root', $tabs); |
||
601 | } else { |
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602 | $fields->push($newGrid); |
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603 | $fields->push($approvedGrid); |
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604 | $fields->push($spamGrid); |
||
605 | } |
||
606 | } |
||
607 | |||
608 | public function updateCMSFields(FieldList $fields) |
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609 | { |
||
610 | // Disable moderation if not permitted |
||
611 | if ($this->owner->canModerateComments()) { |
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612 | $this->updateModerationFields($fields); |
||
613 | } |
||
614 | |||
615 | // If this isn't a page we should merge the settings into the CMS fields |
||
616 | if (!$this->attachedToSiteTree()) { |
||
617 | $this->updateSettingsFields($fields); |
||
618 | } |
||
619 | } |
||
620 | } |
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621 |
This check marks private properties in classes that are never used. Those properties can be removed.