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| 1 | <?php |
| 2 | |
| 3 | // {{{ License |
| 4 | |
| 5 | // This file is part of GNU social - https://www.gnu.org/software/social |
| 6 | // |
| 7 | // GNU social is free software: you can redistribute it and/or modify |
| 8 | // it under the terms of the GNU Affero General Public License as published by |
| 9 | // the Free Software Foundation, either version 3 of the License, or |
| 10 | // (at your option) any later version. |
| 11 | // |
| 12 | // GNU social is distributed in the hope that it will be useful, |
| 13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | // GNU Affero General Public License for more details. |
| 16 | // |
| 17 | // You should have received a copy of the GNU Affero General Public License |
| 18 | // along with GNU social. If not, see <http://www.gnu.org/licenses/>. |
| 19 | |
| 20 | // }}} |
| 21 | |
| 22 | namespace App\Core; |
| 23 | |
| 24 | use App\Core\DB\DB; |
| 25 | use App\Util\Exception\NotFoundException; |
| 26 | use App\Util\Exception\ServerException; |
| 27 | use App\Util\Formatting; |
| 28 | use DateTime; |
| 29 | |
| 30 | /** |
| 31 | * Base class to all entities, with some utilities |
| 32 | */ |
| 33 | abstract class Entity implements \JsonSerializable |
| 34 | { |
| 35 | public function __call(string $name , array $arguments): mixed |
| 36 | { |
| 37 | if (Formatting::startsWith($name, 'has')) { |
| 38 | $prop = Formatting::camelCaseToSnakeCase(Formatting::removePrefix($name, 'has')); |
| 39 | // https://wiki.php.net/rfc/closure_apply#proposal |
| 40 | $private_property_accessor = function ($prop) { return isset($this->{$prop}); }; |
| 41 | $private_property_accessor = $private_property_accessor->bindTo($this, get_called_class()); |
| 42 | return $private_property_accessor($prop); |
| 43 | } |
| 44 | throw new \BadMethodCallException('Non existent method ' . get_called_class() . "::{$name} called with arguments: " . print_r($arguments, true)); |
| 45 | } |
| 46 | |
| 47 | /** |
| 48 | * Create an instance of the called class or fill in the |
| 49 | * properties of $obj with the associative array $args. Doesn't |
| 50 | * persist the result |
| 51 | * |
| 52 | * @param null|mixed $obj |
| 53 | */ |
| 54 | public static function create(array $args, $obj = null) |
| 55 | { |
| 56 | $class = get_called_class(); |
| 57 | $obj = $obj ?: new $class(); |
| 58 | $date = new DateTime(); |
| 59 | foreach (['created', 'modified'] as $prop) { |
| 60 | if (property_exists($class, $prop)) { |
| 61 | $args[$prop] = $date; |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | foreach ($args as $prop => $val) { |
| 66 | if (property_exists($obj, $prop)) { |
| 67 | $set = 'set' . ucfirst(Formatting::snakeCaseToCamelCase($prop)); |
| 68 | $obj->{$set}($val); |
| 69 | } else { |
| 70 | Log::error($m = "Property {$class}::{$prop} doesn't exist"); |
| 71 | throw new \InvalidArgumentException($m); |
| 72 | } |
| 73 | } |
| 74 | return $obj; |
| 75 | } |
| 76 | |
| 77 | /** |
| 78 | * Create a new instance, but check for duplicates |
| 79 | * |
| 80 | * @return [$obj, $is_update] |
| 81 | */ |
| 82 | public static function createOrUpdate(array $args, array $find_by_keys = []) |
| 83 | { |
| 84 | $table = DB::getTableForClass(get_called_class()); |
| 85 | $find_by = $find_by_keys == [] ? $args : array_intersect_key($args, array_flip($find_by_keys)); |
| 86 | try { |
| 87 | $obj = DB::findOneBy($table, $find_by); |
| 88 | } catch (NotFoundException) { |
| 89 | $obj = null; |
| 90 | // @codeCoverageIgnoreStart |
| 91 | } catch (\Exception $e) { |
| 92 | Log::unexpected_exception($e); |
| 93 | // @codeCoverageIgnoreEnd |
| 94 | } |
| 95 | $is_update = $obj !== null; |
| 96 | return [self::create($args, $obj), $is_update]; |
| 97 | } |
| 98 | |
| 99 | /** |
| 100 | * Get an Entity from its primary key |
| 101 | * |
| 102 | * Support multiple formats: |
| 103 | * - mixed $values - convert to array and check next |
| 104 | * - array[int => mixed] $values - get keys for entity and set them in order and proceed to next case |
| 105 | * - array[string => mixed] $values - Perform a regular find |
| 106 | * |
| 107 | * Examples: |
| 108 | * Entity::getWithPK(42); |
| 109 | * Entity::getWithPK([42, 'foo']); |
| 110 | * Entity::getWithPK(['key1' => 42, 'key2' => 'foo']) |
| 111 | * |
| 112 | * @return null|static |
| 113 | */ |
| 114 | public static function getWithPK(mixed $values): ?self |
| 115 | { |
| 116 | $values = is_array($values) ? $values : [$values]; |
| 117 | $class = get_called_class(); |
| 118 | $keys = DB::getPKForClass($class); |
| 119 | $find_by = []; |
| 120 | foreach ($values as $k => $v) { |
| 121 | if (is_string($k)) { |
| 122 | $find_by[$k] = $v; |
| 123 | } else { |
| 124 | $find_by[$keys[$k]] = $v; |
| 125 | } |
| 126 | } |
| 127 | try { |
| 128 | return DB::findOneBy($class, $find_by); |
| 129 | } catch (NotFoundException $e) { |
| 130 | return null; |
| 131 | } |
| 132 | } |
| 133 | |
| 134 | /** |
| 135 | * Called when json_encode encounters this object. Not all |
| 136 | * entities will need json encoding, so it doesn't make sense to |
| 137 | * make this abstract |
| 138 | * |
| 139 | * @throw ServerException |
| 140 | * @codeCoverageIgnore |
| 141 | */ |
| 142 | public function jsonSerialize() |
| 143 | { |
| 144 | throw new ServerException(_m('Unimplemented method')); |
| 145 | } |
| 146 | } |