Complex classes like User often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use User, and based on these observations, apply Extract Interface, too.
| 1 | <?php  | 
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| 28 | class User { | 
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| 29 | |||
| 30 | /**  | 
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| 31 | * Wiki class  | 
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| 32 | *  | 
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| 33 | * @var Wiki  | 
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| 34 | * @access protected  | 
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| 35 | */  | 
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| 36 | protected $wiki;  | 
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| 37 | |||
| 38 | /**  | 
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| 39 | * Username  | 
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| 40 | *  | 
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| 41 | * @var string  | 
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| 42 | * @access protected  | 
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| 43 | */  | 
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| 44 | protected $username;  | 
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| 45 | |||
| 46 | /**  | 
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| 47 | * Whether or not user exists  | 
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| 48 | *  | 
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| 49 | * @var bool  | 
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| 50 | * @access protected  | 
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| 51 | */  | 
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| 52 | protected $exists = true;  | 
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| 53 | |||
| 54 | /**  | 
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| 55 | * Whether or not user is blocked  | 
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| 56 | *  | 
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| 57 | * @var bool  | 
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| 58 | * @access protected  | 
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| 59 | */  | 
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| 60 | protected $blocked;  | 
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| 61 | |||
| 62 | /**  | 
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| 63 | * Array of block parameters  | 
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| 64 | *  | 
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| 65 | * (default value: array())  | 
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| 66 | *  | 
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| 67 | * @var array  | 
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| 68 | * @access protected  | 
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| 69 | */  | 
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| 70 | protected $blockinfo = array();  | 
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| 71 | |||
| 72 | /**  | 
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| 73 | * Rough estimate as to number of edits  | 
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| 74 | *  | 
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| 75 | * @var int  | 
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| 76 | * @access protected  | 
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| 77 | */  | 
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| 78 | protected $editcount;  | 
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| 79 | |||
| 80 | /**  | 
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| 81 | * List of groups user is a member of  | 
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| 82 | *  | 
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| 83 | * @var array  | 
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| 84 | * @access protected  | 
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| 85 | */  | 
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| 86 | protected $groups;  | 
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| 87 | |||
| 88 | /**  | 
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| 89 | * Whether or not user is an IP  | 
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| 90 | *  | 
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| 91 | * @var bool  | 
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| 92 | * @access protected  | 
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| 93 | */  | 
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| 94 | protected $ip = false;  | 
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| 95 | |||
| 96 | /**  | 
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| 97 | * Whether or not user has email enabled  | 
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| 98 | *  | 
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| 99 | * @var bool  | 
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| 100 | * @access protected  | 
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| 101 | */  | 
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| 102 | protected $hasemail = false;  | 
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| 103 | |||
| 104 | /**  | 
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| 105 | * Date the user registered  | 
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| 106 | *  | 
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| 107 | * @var string  | 
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| 108 | * @access protected  | 
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| 109 | */  | 
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| 110 | protected $registration;  | 
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| 111 | |||
| 112 | /**  | 
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| 113 | * Construction method for the User class  | 
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| 114 | *  | 
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| 115 | * @fixme Return in constructor method.  | 
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| 116 | *  | 
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| 117 | * @access public  | 
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| 118 | * @param Wiki $wikiClass  | 
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| 119 | * @param mixed $pgUsername Username  | 
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| 120 | * @throws AssertFailure  | 
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| 121 | * @throws LoggedOut  | 
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| 122 | * @throws MWAPIError  | 
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| 123 | */  | 
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| 124 | 	public function __construct( Wiki &$wikiClass, $pgUsername ) { | 
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| 125 | |||
| 126 | $this->wiki = & $wikiClass;  | 
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| 127 | |||
| 128 | pecho( "Getting user information for $pgUsername...\n\n", PECHO_NORMAL );  | 
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| 129 | $uiProps = array(  | 
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| 130 | 'action' => 'query',  | 
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| 131 | 'list' => 'users|blocks',  | 
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| 132 | 'ususers' => $pgUsername,  | 
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| 133 | 'usprop' => 'editcount|groups|blockinfo|emailable|registration'  | 
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| 134 | );  | 
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| 135 | 		if(is_numeric(ip2long( $pgUsername))) { | 
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| 136 | $uiProps['bkip'] = $pgUsername;  | 
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| 137 | 		} else { | 
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| 138 | $uiProps['bkusers'] = $pgUsername;  | 
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| 139 | }  | 
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| 140 | $uiRes = $this->wiki->apiQuery( $uiProps );  | 
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| 141 | |||
| 142 | 		if ( !$uiRes ) { | 
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| 143 | $this->username = $pgUsername;  | 
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| 144 | $this->exists = false;  | 
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| 145 | 		} else { | 
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| 146 | $this->exists = true;  | 
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| 147 | }  | 
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| 148 | |||
| 149 | $this->username = $uiRes['query']['users'][0]['name'];  | 
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| 150 | |||
| 151 | 		if(is_numeric(ip2long( $pgUsername))) { | 
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| 152 | $this->exists = false;  | 
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| 153 | $this->ip = true;  | 
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| 154 | |||
| 155 | 			if( isset( $uiRes['query']['blocks'][0]['expiry'] ) && isset($uiRes['query']['blocks'][0])) { | 
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| 156 | $this->blocked = true;  | 
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| 157 | $this->blockinfo = array(  | 
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| 158 | 'by' => $uiRes['query']['blocks'][0]['by'],  | 
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| 159 | 'when' => $uiRes['query']['blocks'][0]['timestamp'],  | 
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| 160 | 'reason' => $uiRes['query']['blocks'][0]['reason'],  | 
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| 161 | 'expiry' => $uiRes['query']['blocks'][0]['expiry']  | 
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| 162 | );  | 
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| 163 | 			} else { | 
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| 164 | $this->blocked = false;  | 
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| 165 | $this->blockinfo = array();  | 
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| 166 | }  | 
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| 167 | 		} elseif( isset( $uiRes['query']['users'][0]['missing'] ) || isset( $uiRes['query']['users'][0]['invalid'] ) ) { | 
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| 168 | $this->exists = false;  | 
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| 169 | |||
| 170 | return false;  | 
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                         | 
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| 171 | 		} else { | 
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| 172 | $this->editcount = $uiRes['query']['users'][0]['editcount'];  | 
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| 173 | |||
| 174 | 			if( isset( $uiRes['query']['users'][0]['groups'] ) ) { | 
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| 175 | $this->groups = $uiRes['query']['users'][0]['groups'];  | 
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| 176 | }  | 
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| 177 | |||
| 178 | 			if( isset( $uiRes['query']['blocks'][0]['expiry'] ) && isset($uiRes['query']['blocks'][0])) { | 
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| 179 | $this->blocked = true;  | 
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| 180 | $this->blockinfo = array(  | 
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| 181 | 'by' => $uiRes['query']['blocks'][0]['by'],  | 
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| 182 | 'when' => $uiRes['query']['blocks'][0]['timestamp'],  | 
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| 183 | 'reason' => $uiRes['query']['blocks'][0]['reason'],  | 
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| 184 | 'expiry' => $uiRes['query']['blocks'][0]['expiry']  | 
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| 185 | );  | 
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| 186 | 			} else { | 
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| 187 | $this->blocked = false;  | 
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| 188 | $this->blockinfo = array();  | 
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| 189 | }  | 
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| 190 | |||
| 191 | |||
| 192 | 			if( isset( $uiRes['query']['users'][0]['emailable'] ) ) { | 
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| 193 | $this->hasemail = true;  | 
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| 194 | }  | 
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| 195 | |||
| 196 | 			if( isset( $uiRes['query']['users'][0]['registration'] ) ) { | 
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| 197 | $this->registration = $uiRes['query']['users'][0]['registration'];  | 
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| 198 | }  | 
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| 199 | }  | 
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| 200 | }  | 
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| 201 | |||
| 202 | /**  | 
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| 203 | * Creates the account with the specified parameters  | 
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| 204 | *  | 
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| 205 | * @access public  | 
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| 206 | * @param string $password Password (ignored if mailpassword is set). Default null.  | 
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| 207 | * @param string $email Email address of user (optional). Default null.  | 
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| 208 | * @param bool $mailpassword If set to true, a random password will be emailed to the user. Default false.  | 
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| 209 | * @param string $reason Optional reason for creating the account to be put in the logs. Default null.  | 
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| 210 | * @param string $realname Real name of user (optional). Default null.  | 
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| 211 | * @param bool $tboverride Override the title blacklist. Requires the tboverride right. Default false.  | 
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| 212 | * @param string $language Language code to set as default for the user (optional, defaults to content language). Default null.  | 
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| 213 | * @param string $domain Domain for external authentication (optional). Default null.  | 
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| 214 | * @return bool True on success, false otherwise  | 
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| 215 | */  | 
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| 216 | 	public function create( $password = null, $email = null, $mailpassword = false, $reason = null, $realname = null, $language = null, $domain = null ) { | 
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| 288 | |||
| 289 | /**  | 
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| 290 | * Returns whether or not the user is blocked  | 
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| 291 | *  | 
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| 292 | * @access public  | 
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| 293 | * @param bool $force Whether or not to use the locally stored cache. Default false.  | 
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| 294 | * @return bool  | 
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| 295 | */  | 
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| 296 | 	public function is_blocked( $force = false ) { | 
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| 308 | |||
| 309 | /**  | 
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| 310 | * get_blockinfo function.  | 
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| 311 | *  | 
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| 312 | * @access public  | 
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| 313 | * @return array  | 
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| 314 | */  | 
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| 315 | 	public function get_blockinfo() { | 
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| 318 | |||
| 319 | /**  | 
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| 320 | * is_ip function.  | 
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| 321 | *  | 
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| 322 | * @access public  | 
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| 323 | * @return boolean  | 
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| 324 | */  | 
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| 325 | 	public function is_ip() { | 
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| 328 | |||
| 329 | /**  | 
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| 330 | * Blocks the user  | 
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| 331 | *  | 
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| 332 | * @access public  | 
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| 333 | * @param string $reason Reason for blocking. Default null  | 
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| 334 | 	 * @param string $expiry Expiry. Can be a date, {@link http://www.gnu.org/software/tar/manual/html_node/Date-input-formats.html GNU formatted date}, indefinite, or anything else that MediaWiki accepts. Default indefinite. | 
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| 335 | * @param array $params Parameters to set. Options are anononly, nocreate, autoblock, noemail, hidename, noallowusertalk. Defdault array().  | 
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| 336 | * @param bool $watch Watch the user/IP's user and talk pages. Default false.  | 
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| 337 | * @param int $range The number of CIDR prefix bits to use for a rangeblock. Default null.  | 
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| 338 | * @return bool  | 
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| 339 | */  | 
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| 340 | 	public function block( $reason = null, $expiry = 'indefinite', $params = array(), $watch = false, $range = null ) { | 
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| 436 | |||
| 437 | /**  | 
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| 438 | * Unblocks the user, or a block ID  | 
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| 439 | *  | 
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| 440 | * @access public  | 
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| 441 | * @param string $reason Reason for unblocking. Default null  | 
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| 442 | * @param int $id Block ID to unblock. Default null  | 
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| 443 | * @return bool  | 
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| 444 | */  | 
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| 445 | 	public function unblock( $reason = null, $id = null ) { | 
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| 497 | |||
| 498 | /**  | 
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| 499 | * Returns the editcount of the user  | 
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| 500 | *  | 
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| 501 | * @access public  | 
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| 502 | * @param bool $force Whether or not to use the locally stored cache. Default false.  | 
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| 503 | * @param Database &$database Use an instance of the mysqli class to get a more accurate count  | 
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| 504 | * @param bool $liveonly Whether or not to only get the live edit count. Only works with $database. Default false.  | 
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| 505 | * @return int Edit count  | 
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| 506 | */  | 
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| 507 | 	public function get_editcount( $force = false, &$database = null, $liveonly = false ) { | 
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| 536 | |||
| 537 | /**  | 
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| 538 | * Returns a list of all user contributions  | 
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| 539 | *  | 
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| 540 | * @access public  | 
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| 541 | * @param bool $mostrecentfirst Set to true to get the most recent edits first. Default true.  | 
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| 542 | * @param bool $limit Only get this many edits. Default null.  | 
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| 543 | * @return array Array, first level indexed, second level associative with keys user, pageid, revid, ns, title, timestamp, size and comment (edit summary).  | 
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| 544 | */  | 
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| 545 | 	public function get_contribs( $mostrecentfirst = true, $limit = null ) { | 
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| 568 | |||
| 569 | /**  | 
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| 570 | * Returns whether or not the user has email enabled  | 
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| 571 | *  | 
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| 572 | * @access public  | 
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| 573 | * @return bool  | 
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| 574 | */  | 
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| 575 | 	public function has_email() { | 
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| 578 | |||
| 579 | /**  | 
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| 580 | * Returns the usergroups, NULL if user is IP.  | 
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| 581 | *  | 
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| 582 | * @access public  | 
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| 583 | * @param bool force Force use of the API. Default false;  | 
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| 584 | * @return array  | 
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| 585 | */  | 
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| 586 | 	public function get_usergroups( $force = false ) { | 
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| 602 | |||
| 603 | /**  | 
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| 604 | * Returns date the user registered  | 
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| 605 | *  | 
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| 606 | * @access public  | 
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| 607 | * @return string  | 
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| 608 | */  | 
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| 609 | 	public function get_registration() { | 
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| 612 | |||
| 613 | /**  | 
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| 614 | * Returns whether or not the user exists  | 
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| 615 | *  | 
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| 616 | * @access public  | 
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| 617 | * @return bool  | 
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| 618 | */  | 
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| 619 | 	public function exists() { | 
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| 622 | |||
| 623 | /**  | 
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| 624 | * Returns the raw username  | 
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| 625 | *  | 
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| 626 | * @access public  | 
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| 627 | * @return string  | 
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| 628 | */  | 
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| 629 | 	public function username() { | 
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| 632 | |||
| 633 | /**  | 
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| 634 | * Send an email to another wiki user  | 
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| 635 | *  | 
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| 636 | * @access public  | 
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| 637 | * @param string $text Text to send  | 
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| 638 | * @param string $subject Subject of email. Default 'Wikipedia Email'  | 
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| 639 | * @param bool $ccme Whether or not to send a copy of the email to "myself". Default false.  | 
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| 640 | * @throws EmailError  | 
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| 641 | * @return bool True on success, false otherwise.  | 
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| 642 | */  | 
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| 643 | 	public function email( $text = null, $subject = "Wikipedia Email", $ccme = false ) { | 
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| 690 | |||
| 691 | 	public function userrights( $add = array(), $remove = array(), $reason = '' ) { | 
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| 733 | |||
| 734 | /**  | 
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| 735 | * List all deleted contributions.  | 
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| 736 | * The logged in user must have the 'deletedhistory' right  | 
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| 737 | *  | 
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| 738 | * @access public  | 
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| 739 | * @param bool $content Whether or not to return content of each contribution. Default false  | 
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| 740 | * @param string $start Timestamp to start at. Default null.  | 
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| 741 | * @param string $end Timestamp to end at. Default null.  | 
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| 742 | * @param string $dir Direction to list. Default 'older'  | 
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| 743 | * @param array $prop Information to retrieve. Default array( 'revid', 'user', 'parsedcomment', 'minor', 'len', 'content', 'token' )  | 
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| 744 | * @return array  | 
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| 745 | */  | 
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| 746 | public function deletedcontribs( $content = false, $start = null, $end = null, $dir = 'older', $prop = array(  | 
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| 773 | |||
| 774 | /*  | 
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| 775 | * Performs new message checking, etc  | 
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| 776 | *  | 
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| 777 | * @access public  | 
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| 778 | * @return void  | 
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| 779 | */  | 
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| 780 | 	protected function preEditChecks( $action = "Edit" ) { | 
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| 783 | |||
| 784 | /**  | 
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| 785 | * Returns a page class for the userpage  | 
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| 786 | *  | 
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| 787 | * @return Page  | 
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| 788 | */  | 
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| 789 | 	public function &getPageclass() { | 
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| 793 | |||
| 794 | }  | 
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| 795 |