| Total Complexity | 58 |
| Total Lines | 234 |
| Duplicated Lines | 0 % |
| Changes | 1 | ||
| Bugs | 0 | Features | 0 |
Complex classes like FieldHandler 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.
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 FieldHandler, and based on these observations, apply Extract Interface, too.
| 1 | <?php declare(strict_types=1); |
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| 8 | class FieldHandler extends \XoopsPersistableObjectHandler |
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| 9 | { |
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| 10 | /** |
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| 11 | * FieldHandler constructor. |
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| 12 | * @param \XoopsDatabase $db |
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| 13 | */ |
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| 14 | public function __construct(\XoopsDatabase $db) |
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| 15 | { |
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| 16 | parent::__construct($db, 'songlist_field', Field::class, 'field_id', 'field_title'); |
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| 17 | } |
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| 18 | |||
| 19 | /** |
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| 20 | * Read field information from cached storage |
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| 21 | * |
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| 22 | * @param bool $force_update read fields from database and not cached storage |
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| 23 | * |
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| 24 | * @return array|false |
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| 25 | */ |
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| 26 | public function loadFields($force_update = false) |
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| 27 | { |
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| 28 | static $fields = []; |
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| 29 | if (!empty($force_update) || 0 == \count($fields)) { |
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| 30 | $criteria = new \Criteria('field_id', 0, '!='); |
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| 31 | $criteria->setSort('field_weight'); |
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| 32 | if (0 == $this->getCount($criteria)) { |
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| 33 | return false; |
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| 34 | } |
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| 35 | $field_objs = $this->getObjects($criteria); |
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| 36 | foreach (\array_keys($field_objs) as $i) { |
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| 37 | $fields[$field_objs[$i]->getVar('field_name')] = $field_objs[$i]; |
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| 38 | } |
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| 39 | } |
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| 40 | |||
| 41 | return $fields; |
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| 42 | } |
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| 43 | |||
| 44 | /** |
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| 45 | * save a profile field in the database |
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| 46 | * |
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| 47 | * @param \XoopsObject $obj reference to the object |
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| 48 | * @param bool $force whether to force the query execution despite security settings |
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| 49 | * @return bool FALSE if failed, TRUE if already present and unchanged or successful |
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| 50 | * @internal param bool $checkObject check if the object is dirty and clean the attributes |
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| 51 | */ |
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| 52 | public function insert(\XoopsObject $obj, $force = false) |
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| 53 | { |
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| 54 | $objectsHandler = \XoopsModules\Songlist\Helper::getInstance()->getHandler('Extras'); |
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| 55 | $obj->setVar('field_name', \str_replace(' ', '_', $obj->getVar('field_name'))); |
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| 56 | $obj->cleanVars(); |
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| 57 | $defaultstring = ''; |
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| 58 | switch ($obj->getVar('field_type')) { |
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| 59 | case 'datetime': |
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| 60 | case 'date': |
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| 61 | $obj->setVar('field_valuetype', \XOBJ_DTYPE_INT); |
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| 62 | $obj->setVar('field_maxlength', 10); |
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| 63 | break; |
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| 64 | case 'longdate': |
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| 65 | $obj->setVar('field_valuetype', \XOBJ_DTYPE_MTIME); |
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| 66 | break; |
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| 67 | case 'yesno': |
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| 68 | $obj->setVar('field_valuetype', \XOBJ_DTYPE_INT); |
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| 69 | $obj->setVar('field_maxlength', 1); |
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| 70 | break; |
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| 71 | case 'textbox': |
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| 72 | if (\XOBJ_DTYPE_INT != $obj->getVar('field_valuetype')) { |
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| 73 | $obj->setVar('field_valuetype', \XOBJ_DTYPE_TXTBOX); |
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| 74 | } |
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| 75 | break; |
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| 76 | case 'autotext': |
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| 77 | if (\XOBJ_DTYPE_INT != $obj->getVar('field_valuetype')) { |
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| 78 | $obj->setVar('field_valuetype', \XOBJ_DTYPE_TXTAREA); |
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| 79 | } |
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| 80 | break; |
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| 81 | case 'group_multi': |
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| 82 | case 'select_multi': |
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| 83 | case 'checkbox': |
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| 84 | $obj->setVar('field_valuetype', \XOBJ_DTYPE_ARRAY); |
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| 85 | break; |
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| 86 | case 'language': |
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| 87 | case 'timezone': |
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| 88 | case 'theme': |
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| 89 | $obj->setVar('field_valuetype', \XOBJ_DTYPE_TXTBOX); |
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| 90 | break; |
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| 91 | case 'dhtml': |
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| 92 | case 'textarea': |
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| 93 | $obj->setVar('field_valuetype', \XOBJ_DTYPE_TXTAREA); |
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| 94 | break; |
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| 95 | } |
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| 96 | |||
| 97 | if ('' == $obj->getVar('field_valuetype')) { |
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| 98 | $obj->setVar('field_valuetype', \XOBJ_DTYPE_TXTBOX); |
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| 99 | } |
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| 100 | |||
| 101 | if (!\in_array($obj->getVar('field_name'), $this->getPostVars(), true)) { |
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| 102 | if ($obj->isNew()) { |
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| 103 | //add column to table |
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| 104 | $changetype = 'ADD'; |
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| 105 | } else { |
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| 106 | //update column information |
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| 107 | $changetype = 'CHANGE `' . $obj->getVar('field_name', 'n') . '`'; |
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| 108 | } |
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| 109 | $maxlengthstring = $obj->getVar('field_maxlength') > 0 ? '(' . $obj->getVar('field_maxlength') . ')' : ''; |
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| 110 | $notnullstring = ' NOT NULL'; |
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| 111 | //set type |
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| 112 | switch ($obj->getVar('field_valuetype')) { |
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| 113 | default: |
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| 114 | case \XOBJ_DTYPE_ARRAY: |
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| 115 | case \XOBJ_DTYPE_UNICODE_ARRAY: |
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| 116 | $type = 'mediumtext'; |
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| 117 | break; |
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| 118 | case \XOBJ_DTYPE_UNICODE_EMAIL: |
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| 119 | case \XOBJ_DTYPE_UNICODE_TXTBOX: |
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| 120 | case \XOBJ_DTYPE_UNICODE_URL: |
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| 121 | case \XOBJ_DTYPE_EMAIL: |
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| 122 | case \XOBJ_DTYPE_TXTBOX: |
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| 123 | case \XOBJ_DTYPE_URL: |
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| 124 | $type = 'varchar'; |
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| 125 | // varchars must have a maxlength |
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| 126 | if (!$maxlengthstring) { |
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| 127 | //so set it to max if maxlength is not set - or should it fail? |
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| 128 | $maxlengthstring = '(255)'; |
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| 129 | $obj->setVar('field_maxlength', 255); |
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| 130 | } |
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| 131 | //if ( $obj->getVar('field_default') ) { |
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| 132 | $defaultstring = ' DEFAULT ' . $this->db->quote($obj->cleanVars['field_default']); |
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| 133 | //} |
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| 134 | break; |
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| 135 | case \XOBJ_DTYPE_INT: |
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| 136 | $type = 'int'; |
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| 137 | if ($obj->getVar('field_default') || '' !== $obj->getVar('field_default')) { |
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| 138 | $defaultstring = " DEFAULT '" . (int)$obj->cleanVars['field_default'] . "'"; |
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| 139 | $obj->setVar('field_default', (int)$obj->cleanVars['field_default']); |
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| 140 | } |
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| 141 | break; |
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| 142 | case \XOBJ_DTYPE_DECIMAL: |
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| 143 | $type = 'decimal(14,6)'; |
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| 144 | if ($obj->getVar('field_default') || '' !== $obj->getVar('field_default')) { |
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| 145 | $defaultstring = " DEFAULT '" . (float)$obj->cleanVars['field_default'] . "'"; |
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| 146 | $obj->setVar('field_default', (float)$obj->cleanVars['field_default']); |
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| 147 | } |
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| 148 | break; |
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| 149 | case XOBJ_DTYPE_FLOAT: |
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| 150 | $type = 'float(15,9)'; |
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| 151 | if ($obj->getVar('field_default') || '' !== $obj->getVar('field_default')) { |
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| 152 | $defaultstring = " DEFAULT '" . (float)$obj->cleanVars['field_default'] . "'"; |
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| 153 | $obj->setVar('field_default', (float)$obj->cleanVars['field_default']); |
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| 154 | } |
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| 155 | break; |
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| 156 | case \XOBJ_DTYPE_OTHER: |
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| 157 | case \XOBJ_DTYPE_UNICODE_TXTAREA: |
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| 158 | case \XOBJ_DTYPE_TXTAREA: |
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| 159 | $type = 'text'; |
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| 160 | $maxlengthstring = ''; |
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| 161 | $notnullstring = ''; |
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| 162 | break; |
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| 163 | case \XOBJ_DTYPE_MTIME: |
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| 164 | $type = 'date'; |
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| 165 | $maxlengthstring = ''; |
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| 166 | break; |
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| 167 | } |
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| 168 | |||
| 169 | $sql = 'ALTER TABLE `' . $objectsHandler->table . '` ' . $changetype . ' `' . $obj->cleanVars['field_name'] . '` ' . $type . $maxlengthstring . $notnullstring . $defaultstring; |
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| 170 | if (!$this->db->query($sql)) { |
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| 171 | return false; |
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| 172 | } |
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| 173 | } |
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| 174 | |||
| 175 | //change this to also update the cached field information storage |
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| 176 | $obj->setDirty(); |
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| 177 | if (!parent::insert($obj, $force)) { |
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| 178 | return false; |
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| 179 | } |
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| 180 | |||
| 181 | return $obj->getVar('field_id'); |
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| 182 | } |
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| 183 | |||
| 184 | /** |
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| 185 | * delete a profile field from the database |
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| 186 | * |
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| 187 | * @param \XoopsObject $obj reference to the object to delete |
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| 188 | * @param bool $force |
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| 189 | * @return bool FALSE if failed. |
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| 190 | **/ |
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| 191 | public function delete(\XoopsObject $obj, $force = false): bool |
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| 217 | } |
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| 218 | |||
| 219 | /** |
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| 220 | * Get array of standard variable names (song table) |
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| 221 | * |
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| 222 | * @return array |
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| 223 | */ |
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| 224 | public function getPostVars(): array |
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| 242 | ]; |
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| 243 | } |
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| 244 | } |
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| 245 |