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| 1 | <?php |
| 2 | |
| 3 | namespace Baril\Orderly\Mixins; |
| 4 | |
| 5 | use Illuminate\Database\Query\Builder as QueryBuilder; |
| 6 | |
| 7 | /** |
| 8 | * @mixin QueryBuilder |
| 9 | */ |
| 10 | class Builder |
| 11 | { |
| 12 | public function orderByValues() |
| 13 | { |
| 14 | return function ($expression, array $values): QueryBuilder { |
| 15 | /** @var QueryBuilder $this */ |
| 16 | $cases = array_combine($values, range(1, count($values))); |
| 17 | $case = $this->getGrammar()->compileCase($expression, $cases, count($values) + 1); |
| 18 | return $this->orderByRaw($case); |
| 19 | }; |
| 20 | } |
| 21 | |
| 22 | public function updateColumnWithRowNumber() |
| 23 | { |
| 24 | return function (string $column): int { |
| 25 | /** @var QueryBuilder $this */ |
| 26 | |
| 27 | $connection = $this->getConnection(); |
| 28 | $grammar = $this->getGrammar(); |
| 29 | |
| 30 | return $connection->transaction(function () use ($column, $connection, $grammar) { |
| 31 | if ($grammar->supportsSequences()) { |
| 32 | $connection->statement($grammar->compileCreateSequence('rownum')); |
| 33 | $update = $this->update([$column => $connection->raw($grammar->compileNextVal('rownum'))]); |
| 34 | $connection->statement($grammar->compileDropSequence('rownum')); |
| 35 | return $update; |
| 36 | } else { |
| 37 | $rownum = 0; |
| 38 | return $this->cursor()->map(function ($row) use ($column, &$rownum) { |
| 39 | return $this->clone()->where((array) $row)->limit(1)->update([ |
| 40 | $column => ++$rownum, |
| 41 | ]); |
| 42 | })->sum(); |
| 43 | } |
| 44 | }); |
| 45 | }; |
| 46 | } |
| 47 | } |