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| 1 | <?php |
| 2 | |
| 3 | namespace Baril\Bonsai; |
| 4 | |
| 5 | use Illuminate\Database\Eloquent\Builder; |
| 6 | use Illuminate\Database\Eloquent\Model; |
| 7 | use Illuminate\Database\Eloquent\Relations\Pivot; |
| 8 | |
| 9 | class Closure extends Pivot |
| 10 | { |
| 11 | /** |
| 12 | * Added for compatibility with older Laravel versions. |
| 13 | * |
| 14 | * @todo remove in v4 |
| 15 | * |
| 16 | * @var \Illuminate\Database\Eloquent\Model |
| 17 | */ |
| 18 | public $pivotRelated; |
| 19 | |
| 20 | /** |
| 21 | * Alias for the query builder instance that references |
| 22 | * this model. |
| 23 | * |
| 24 | * @var string |
| 25 | */ |
| 26 | protected $as; |
| 27 | |
| 28 | /** |
| 29 | * @return string |
| 30 | */ |
| 31 | protected function getAlias() |
| 32 | { |
| 33 | return $this->as ?? $this->getTable(); |
| 34 | } |
| 35 | |
| 36 | /** @inheritDoc */ |
| 37 | public function newInstance($attributes = [], $exists = false) |
| 38 | { |
| 39 | return parent::newInstance($attributes, $exists) |
| 40 | ->setPivotKeys($this->foreignKey, $this->relatedKey) |
| 41 | ->setParentModel($this->pivotParent) |
| 42 | ->setRelatedModel($this->pivotRelated) |
| 43 | ->hydrateRelatedKey($attributes); |
| 44 | } |
| 45 | |
| 46 | /** |
| 47 | * Set the parent model of the relationship. |
| 48 | * |
| 49 | * @param \Illuminate\Database\Eloquent\Model $parent |
| 50 | * @return $this |
| 51 | */ |
| 52 | public function setParentModel(Model $parent) |
| 53 | { |
| 54 | $this->pivotParent = $parent; |
| 55 | |
| 56 | return $this; |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * Set the related model of the relationship. |
| 61 | * Added for compatibility with older Laravel versions. |
| 62 | * |
| 63 | * @todo remove in v4 |
| 64 | * |
| 65 | * @param \Illuminate\Database\Eloquent\Model|null $related |
| 66 | * @return $this |
| 67 | */ |
| 68 | public function setRelatedModel(?Model $related = null) |
| 69 | { |
| 70 | $this->pivotRelated = $related; |
| 71 | |
| 72 | return $this; |
| 73 | } |
| 74 | |
| 75 | /** @inheritDoc */ |
| 76 | public function setRawAttributes(array $attributes, $sync = false) |
| 77 | { |
| 78 | return parent::setRawAttributes($attributes, $sync) |
| 79 | ->hydrateRelatedKey($attributes); |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * Hydrate the related model id when the closure is hydrated. |
| 84 | * |
| 85 | * @param array $attributes |
| 86 | * @return $this |
| 87 | */ |
| 88 | protected function hydrateRelatedKey($attributes) |
| 89 | { |
| 90 | if ( |
| 91 | array_key_exists($this->relatedKey, $attributes) |
| 92 | && $this->pivotRelated->getKey() != $attributes[$this->relatedKey] |
| 93 | ) { |
| 94 | $this->pivotRelated = $this->pivotRelated |
| 95 | ->newInstance([], true) |
| 96 | ->setRawAttributes([ |
| 97 | $this->pivotRelated->getKeyName() => $attributes[$this->relatedKey] |
| 98 | ], true); |
| 99 | } |
| 100 | |
| 101 | return $this; |
| 102 | } |
| 103 | |
| 104 | /** |
| 105 | * Belongs-to relation to the related model. |
| 106 | * |
| 107 | * @return \Illuminate\Database\Eloquent\Relations\BelongsTo |
| 108 | */ |
| 109 | public function related() |
| 110 | { |
| 111 | return $this->belongsTo( |
| 112 | get_class($this->pivotRelated), |
| 113 | $this->getRelatedKey() |
| 114 | ); |
| 115 | } |
| 116 | |
| 117 | /** |
| 118 | * @param \Illuminate\Database\Eloquent\Builder $query |
| 119 | * @param string $as |
| 120 | * @return void |
| 121 | */ |
| 122 | public function scopeAs(Builder $query, $as) |
| 123 | { |
| 124 | $this->as = $as; |
| 125 | |
| 126 | $from = $query->getQuery()->from; |
| 127 | $table = preg_split('/\s+as\s+/i', $from)[0]; |
| 128 | |
| 129 | $query->getQuery()->from = "$table as $as"; |
| 130 | } |
| 131 | |
| 132 | /** |
| 133 | * @param \Illuminate\Database\Eloquent\Builder $query |
| 134 | * @param string $as |
| 135 | * @return void |
| 136 | */ |
| 137 | public function scopeSelfCrossJoin(Builder $query, $as) |
| 138 | { |
| 139 | $table = $this->getTable(); |
| 140 | |
| 141 | $query->crossJoin("$table as $as"); |
| 142 | } |
| 143 | |
| 144 | /** |
| 145 | * @param \Illuminate\Database\Eloquent\Builder $query |
| 146 | * @param string $as |
| 147 | * @param string $first |
| 148 | * @param string $second |
| 149 | * @return void |
| 150 | */ |
| 151 | public function scopeSelfJoin(Builder $query, $as, $first = null, $second = null) |
| 152 | { |
| 153 | $table = $this->getTable(); |
| 154 | |
| 155 | $first = $first ?? $this->getRelatedKey(); |
| 156 | $second = $second ?? $first; |
| 157 | |
| 158 | if (false === strstr($first, '.')) { |
| 159 | $first = $this->getAlias() . ".$first"; |
| 160 | } |
| 161 | if (false === strstr($second, '.')) { |
| 162 | $second = "$as.$second"; |
| 163 | } |
| 164 | |
| 165 | $query->join( |
| 166 | "$table as $as", |
| 167 | $first, |
| 168 | '=', |
| 169 | $second |
| 170 | ); |
| 171 | } |
| 172 | |
| 173 | /** |
| 174 | * @param \Illuminate\Database\Eloquent\Builder $query |
| 175 | * @param mixed|\Illuminate\Database\Eloquent\Model $node |
| 176 | * @return void |
| 177 | */ |
| 178 | public function scopeWhereAncestor(Builder $query, $node) |
| 179 | { |
| 180 | $value = $this->parseIds($node); |
| 181 | |
| 182 | $method = is_array($value) ? 'whereIn' : 'where'; |
| 183 | |
| 184 | $query->$method('ancestor_id', $value); |
| 185 | } |
| 186 | |
| 187 | /** |
| 188 | * @param \Illuminate\Database\Eloquent\Builder $query |
| 189 | * @param mixed|\Illuminate\Database\Eloquent\Model $node |
| 190 | * @return void |
| 191 | */ |
| 192 | public function scopeWhereDescendant(Builder $query, $node) |
| 193 | { |
| 194 | $value = $this->parseIds($node); |
| 195 | |
| 196 | $method = is_array($value) ? 'whereIn' : 'where'; |
| 197 | |
| 198 | $query->$method('descendant_id', $value); |
| 199 | } |
| 200 | |
| 201 | /** |
| 202 | * @param \Illuminate\Database\Eloquent\Builder $query |
| 203 | * @param string $operator |
| 204 | * @param int $value |
| 205 | * @return void |
| 206 | */ |
| 207 | public function scopeWhereDepth(Builder $query, $operator, $value) |
| 208 | { |
| 209 | $query->where('depth', $operator, $value); |
| 210 | } |
| 211 | |
| 212 | /** |
| 213 | * @param \Illuminate\Database\Eloquent\Builder $query |
| 214 | * @return void |
| 215 | */ |
| 216 | public function scopeWithoutSelf(Builder $query) |
| 217 | { |
| 218 | $query->where('depth', '>', 0); |
| 219 | } |
| 220 | |
| 221 | /** |
| 222 | * Get the ID or IDs from the given mixed value. |
| 223 | * |
| 224 | * @param mixed $value |
| 225 | * @return mixed |
| 226 | */ |
| 227 | protected function parseIds($value) |
| 228 | { |
| 229 | if ($value instanceof Model) { |
| 230 | return $value->getKey(); |
| 231 | } |
| 232 | |
| 233 | if (!is_iterable($value)) { |
| 234 | return $value; |
| 235 | } |
| 236 | |
| 237 | $parsedIds = []; |
| 238 | foreach ($value as $id) { |
| 239 | $parsedIds[] = $this->parseIds($id); |
| 240 | } |
| 241 | |
| 242 | return $parsedIds; |
| 243 | } |
| 244 | } |