1 | <?php |
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2 | |||
3 | use Elgg\Groups\Tool; |
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4 | |||
5 | /** |
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6 | * A group entity, used as a container for other entities. |
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7 | * |
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8 | * @property string $name A short name that captures the purpose of the group |
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9 | * @property string $description A longer body of content that gives more details about the group |
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10 | * @property-read string $content_access_mode Content access mode for this group |
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11 | */ |
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12 | class ElggGroup extends \ElggEntity { |
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13 | |||
14 | const CONTENT_ACCESS_MODE_UNRESTRICTED = 'unrestricted'; |
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15 | const CONTENT_ACCESS_MODE_MEMBERS_ONLY = 'members_only'; |
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16 | |||
17 | /** |
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18 | * {@inheritdoc} |
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19 | */ |
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20 | 137 | protected function initializeAttributes() { |
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21 | 137 | parent::initializeAttributes(); |
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22 | 137 | $this->attributes['subtype'] = 'group'; |
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23 | 137 | } |
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24 | |||
25 | /** |
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26 | * {@inheritdoc} |
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27 | */ |
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28 | 137 | public function getType() { |
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29 | 137 | return 'group'; |
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30 | } |
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31 | |||
32 | /** |
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33 | * {@inheritDoc} |
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34 | * @see ElggEntity::getMetadata() |
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35 | */ |
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36 | 112 | public function getMetadata($name) { |
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37 | 112 | if ($name === 'group_acl') { |
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38 | elgg_deprecated_notice("Getting 'group_acl' metadata has been deprecated, use ElggGroup::getOwnedAccessCollection('group_acl')", '3.0'); |
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39 | } |
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40 | |||
41 | 112 | return parent::getMetadata($name); |
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42 | } |
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43 | |||
44 | /** |
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45 | * {@inheritDoc} |
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46 | * @see ElggEntity::setMetadata() |
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47 | */ |
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48 | 97 | public function setMetadata($name, $value, $value_type = '', $multiple = false) { |
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49 | 97 | if ($name === 'group_acl') { |
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50 | elgg_deprecated_notice("Setting 'group_acl' metadata has been deprecated, use ElggGroup::getOwnedAccessCollection('group_acl')", '3.0'); |
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51 | return false; |
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52 | } |
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53 | |||
54 | 97 | return parent::setMetadata($name, $value, $value_type, $multiple); |
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55 | } |
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56 | |||
57 | /** |
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58 | * Add an \ElggObject to this group. |
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59 | * |
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60 | * @param \ElggObject $object The object. |
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61 | * |
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62 | * @return bool |
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63 | */ |
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64 | public function addObjectToGroup(\ElggObject $object) { |
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65 | $object->container_guid = $this->guid; |
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66 | return $object->save(); |
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67 | } |
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68 | |||
69 | /** |
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70 | * Remove an object from this containing group and sets the container to be |
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71 | * object's owner |
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72 | * |
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73 | * @param \ElggObject $object The object. |
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74 | * |
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75 | * @return bool |
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76 | */ |
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77 | public function removeObjectFromGroup(ElggObject $object) { |
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78 | $object->container_guid = $object->owner_guid; |
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79 | return $object->save(); |
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80 | } |
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81 | |||
82 | /** |
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83 | * Get an array of group members. |
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84 | * |
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85 | * @param array $options Options array. See elgg_get_entities |
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86 | * for a complete list. Common ones are 'limit', 'offset', |
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87 | * and 'count'. Options set automatically are 'relationship', |
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88 | * 'relationship_guid', 'inverse_relationship', and 'type'. |
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89 | * |
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90 | * @return \ElggEntity[]|int|mixed |
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91 | */ |
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92 | public function getMembers(array $options = []) { |
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93 | $options['relationship'] = 'member'; |
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94 | $options['relationship_guid'] = $this->getGUID(); |
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95 | $options['inverse_relationship'] = true; |
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96 | $options['type'] = 'user'; |
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97 | |||
98 | return elgg_get_entities($options); |
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99 | } |
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100 | |||
101 | /** |
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102 | * Returns whether the current group has open membership or not. |
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103 | * |
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104 | * @return bool |
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105 | */ |
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106 | 2 | public function isPublicMembership() { |
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107 | 2 | return ($this->membership == ACCESS_PUBLIC); |
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108 | } |
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109 | |||
110 | /** |
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111 | * Return the content access mode used by group_gatekeeper() |
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112 | * |
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113 | * @return string One of CONTENT_ACCESS_MODE_* constants |
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114 | * @since 1.9.0 |
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115 | */ |
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116 | 21 | public function getContentAccessMode() { |
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117 | 21 | $mode = $this->content_access_mode; |
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118 | |||
119 | 21 | if (!isset($mode)) { |
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120 | 1 | if ($this->isPublicMembership()) { |
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121 | 1 | $mode = self::CONTENT_ACCESS_MODE_UNRESTRICTED; |
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122 | } else { |
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123 | 1 | $mode = self::CONTENT_ACCESS_MODE_MEMBERS_ONLY; |
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124 | } |
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125 | } |
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126 | |||
127 | // only support two modes for now |
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128 | 21 | if ($mode === self::CONTENT_ACCESS_MODE_MEMBERS_ONLY) { |
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129 | 14 | return $mode; |
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130 | } |
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131 | 10 | return self::CONTENT_ACCESS_MODE_UNRESTRICTED; |
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132 | } |
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133 | |||
134 | /** |
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135 | * Set the content access mode used by group_gatekeeper() |
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136 | * |
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137 | * @param string $mode One of CONTENT_ACCESS_MODE_* constants. If empty string, mode will not be changed |
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138 | * |
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139 | * @return void |
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140 | * @since 1.9.0 |
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141 | */ |
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142 | 3 | public function setContentAccessMode($mode) { |
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143 | 3 | if (!$mode && $this->content_access_mode) { |
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144 | return; |
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145 | } |
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146 | |||
147 | // only support two modes for now |
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148 | 3 | if ($mode !== self::CONTENT_ACCESS_MODE_MEMBERS_ONLY) { |
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149 | 3 | $mode = self::CONTENT_ACCESS_MODE_UNRESTRICTED; |
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150 | } |
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151 | |||
152 | 3 | $this->content_access_mode = $mode; |
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153 | 3 | } |
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154 | |||
155 | /** |
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156 | * Is the given user a member of this group? |
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157 | * |
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158 | * @param \ElggUser $user The user. Default is logged in user. |
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159 | * |
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160 | * @return bool |
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161 | */ |
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162 | 16 | public function isMember(\ElggUser $user = null) { |
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163 | 16 | if ($user == null) { |
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164 | $user = _elgg_services()->session->getLoggedInUser(); |
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165 | } |
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166 | 16 | if (!$user) { |
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167 | return false; |
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168 | } |
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169 | |||
170 | 16 | $result = (bool) check_entity_relationship($user->guid, 'member', $this->guid); |
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171 | |||
172 | $params = [ |
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173 | 16 | 'user' => $user, |
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174 | 16 | 'group' => $this, |
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175 | ]; |
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176 | 16 | return _elgg_services()->hooks->trigger('is_member', 'group', $params, $result); |
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177 | } |
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178 | |||
179 | /** |
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180 | * Join a user to this group. |
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181 | * |
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182 | * @param \ElggUser $user User joining the group. |
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183 | * @param array $params Additional params to pass to the 'join', 'group' event |
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184 | * |
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185 | * @return bool Whether joining was successful. |
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186 | */ |
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187 | 78 | public function join(\ElggUser $user, $params = []) { |
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188 | 78 | $result = add_entity_relationship($user->guid, 'member', $this->guid); |
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189 | |||
190 | 78 | if (!$result) { |
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191 | return false; |
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192 | } |
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193 | |||
194 | $event_params = [ |
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195 | 78 | 'group' => $this, |
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196 | 78 | 'user' => $user, |
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197 | ]; |
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198 | |||
199 | 78 | if (is_array($params)) { |
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200 | 78 | $event_params = array_merge($params, $event_params); |
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201 | } |
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202 | |||
203 | 78 | _elgg_services()->events->trigger('join', 'group', $event_params); |
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204 | |||
205 | 78 | return true; |
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206 | } |
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207 | |||
208 | /** |
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209 | * Remove a user from the group. |
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210 | * |
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211 | * @param \ElggUser $user User to remove from the group. |
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212 | * |
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213 | * @return bool Whether the user was removed from the group. |
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214 | */ |
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215 | 2 | public function leave(\ElggUser $user) { |
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216 | // event needs to be triggered while user is still member of group to have access to group acl |
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217 | 2 | $params = ['group' => $this, 'user' => $user]; |
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218 | 2 | _elgg_services()->events->trigger('leave', 'group', $params); |
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219 | |||
220 | 2 | return remove_entity_relationship($user->guid, 'member', $this->guid); |
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221 | } |
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222 | |||
223 | /** |
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224 | * {@inheritdoc} |
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225 | */ |
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226 | 8 | protected function prepareObject(\Elgg\Export\Entity $object) { |
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227 | 8 | $object = parent::prepareObject($object); |
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228 | 8 | $object->name = $this->getDisplayName(); |
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229 | 8 | $object->description = $this->description; |
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230 | 8 | unset($object->read_access); |
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231 | 8 | return $object; |
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232 | } |
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233 | |||
234 | /** |
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235 | * Can a user comment on this group? |
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236 | * |
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237 | * @see \ElggEntity::canComment() |
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238 | * |
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239 | * @param int $user_guid User guid (default is logged in user) |
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240 | * @param bool $default Default permission |
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241 | * @return bool |
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242 | * @since 1.8.0 |
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243 | */ |
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244 | 2 | public function canComment($user_guid = 0, $default = null) { |
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245 | 2 | return false; |
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246 | } |
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247 | |||
248 | /** |
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249 | * Checks if a tool option is enabled |
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250 | * |
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251 | * @param string $name Tool name |
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252 | * |
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253 | * @return bool |
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254 | * @since 3.0.0 |
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255 | */ |
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256 | 1 | public function isToolEnabled($name) { |
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257 | 1 | if (empty($name)) { |
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258 | 1 | return false; |
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259 | } |
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260 | |||
261 | 1 | $tool = $this->getTool($name); |
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262 | 1 | if (!$tool instanceof Tool) { |
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263 | 1 | return false; |
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264 | } |
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265 | |||
266 | 1 | $md_name = $tool->mapMetadataName(); |
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267 | 1 | $setting = $this->$md_name; |
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268 | |||
269 | 1 | if (!isset($setting)) { |
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270 | 1 | return $tool->isEnabledByDefault(); |
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271 | } |
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272 | |||
273 | 1 | return $setting == 'yes'; |
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274 | } |
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275 | |||
276 | /** |
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277 | * Enables a tool option |
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278 | * |
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279 | * @param string $name The option to enable |
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280 | * |
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281 | * @return bool |
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282 | * @since 3.0.0 |
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283 | */ |
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284 | 2 | public function enableTool($name) { |
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285 | 2 | $tool = $this->getTool($name); |
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286 | 2 | if (!$tool instanceof Tool) { |
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287 | 1 | return false; |
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288 | } |
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289 | |||
290 | 2 | $md_name = $tool->mapMetadataName(); |
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291 | 2 | $md_value = $tool->mapMetadataValue('yes'); |
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292 | |||
293 | 2 | $this->$md_name = $md_value; |
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294 | |||
295 | 2 | return true; |
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296 | } |
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297 | |||
298 | /** |
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299 | * Disables a tool option |
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300 | * |
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301 | * @param string $name The option to disable |
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302 | * |
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303 | * @return bool |
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304 | * @since 3.0.0 |
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305 | */ |
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306 | 2 | public function disableTool($name) { |
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307 | 2 | $tool = $this->getTool($name); |
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308 | 2 | if (!$tool instanceof Tool) { |
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309 | 1 | return false; |
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310 | } |
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311 | |||
312 | 2 | $md_name = $tool->mapMetadataName(); |
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313 | 2 | $md_value = $tool->mapMetadataValue('no'); |
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314 | |||
315 | 2 | $this->$md_name = $md_value; |
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316 | |||
317 | 2 | return true; |
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318 | } |
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319 | |||
320 | /** |
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321 | * Returns the registered tool configuration |
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322 | * |
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323 | * @param string $name Tool name |
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324 | * |
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325 | * @return Tool|null |
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326 | * @deprecated 3.0 Use ElggGroup::getTool |
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327 | */ |
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328 | protected function getToolConfig($name) { |
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329 | return $this->getTool($name); |
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330 | } |
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331 | |||
332 | /** |
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333 | * Returns the registered tool configuration |
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334 | * |
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335 | * @param string $name Tool name |
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336 | * |
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337 | * @return Tool|null |
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338 | */ |
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339 | 2 | protected function getTool($name) { |
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340 | 2 | return elgg()->group_tools->group($this)->get($name); |
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341 | } |
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342 | |||
343 | /** |
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344 | * Check if current user can access group content based on his/her membership status |
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345 | * and group's content access policy |
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346 | * |
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347 | * @param ElggUser|null $user User |
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348 | * @return bool |
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349 | */ |
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350 | 17 | public function canAccessContent(ElggUser $user = null) { |
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351 | 17 | if (!isset($user)) { |
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352 | 17 | $user = _elgg_services()->session->getLoggedInUser(); |
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353 | } |
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354 | |||
355 | 17 | if ($this->getContentAccessMode() == self::CONTENT_ACCESS_MODE_MEMBERS_ONLY) { |
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356 | 11 | if (!$user) { |
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357 | return false; |
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358 | } |
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359 | |||
360 | 11 | return $this->isMember($user) || $user->isAdmin(); |
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361 | } |
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362 | |||
363 | 6 | return true; |
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364 | } |
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365 | } |
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366 |