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<?php namespace GeneaLabs\LaravelModelCaching; |
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use Illuminate\Database\Eloquent\Model; |
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use Illuminate\Database\Query\Builder; |
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use Illuminate\Support\Collection; |
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class CacheKey |
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{ |
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protected $eagerLoad; |
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protected $model; |
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protected $query; |
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public function __construct(array $eagerLoad, Model $model, Builder $query) |
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{ |
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$this->eagerLoad = $eagerLoad; |
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$this->model = $model; |
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$this->query = $query; |
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} |
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public function make( |
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array $columns = ['*'], |
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$idColumn = null, |
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string $keyDifferentiator = '' |
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) : string { |
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$key = $this->getModelSlug(); |
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$key .= $this->getIdColumn($idColumn ?: ''); |
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$key .= $this->getQueryColumns($columns); |
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$key .= $this->getWhereClauses(); |
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$key .= $this->getWithModels(); |
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$key .= $this->getOrderByClauses(); |
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$key .= $this->getOffsetClause(); |
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$key .= $this->getLimitClause(); |
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$key .= $keyDifferentiator; |
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$key = sha1($key); |
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return $key; |
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} |
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protected function getIdColumn(string $idColumn) : string |
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{ |
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return $idColumn ? "_{$idColumn}" : ''; |
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} |
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protected function getLimitClause() : string |
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{ |
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if (! $this->query->limit) { |
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return ''; |
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} |
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return "-limit_{$this->query->limit}"; |
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} |
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protected function getModelSlug() : string |
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{ |
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return str_slug(get_class($this->model)); |
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} |
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protected function getOffsetClause() : string |
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{ |
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if (! $this->query->offset) { |
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return ''; |
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} |
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return "-offset_{$this->query->offset}"; |
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} |
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protected function getOrderByClauses() : string |
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{ |
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$orders = collect($this->query->orders); |
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return $orders |
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->reduce(function ($carry, $order) { |
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if (($order['type'] ?? '') === 'Raw') { |
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return $carry . '_orderByRaw_' . str_slug($order['sql']); |
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} |
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return $carry . '_orderBy_' . $order['column'] . '_' . $order['direction']; |
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}) |
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?: ''; |
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} |
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protected function getQueryColumns(array $columns) : string |
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{ |
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if ($columns === ['*'] || $columns === []) { |
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return ''; |
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} |
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return '_' . implode('_', $columns); |
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} |
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protected function getTypeClause($where) : string |
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{ |
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$type =in_array($where['type'], ['In', 'Null', 'NotNull', 'between']) |
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? strtolower($where['type']) |
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: strtolower($where['operator']); |
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return str_replace(' ', '_', $type); |
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} |
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protected function getValuesClause(array $where = null) : string |
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{ |
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if (in_array($where['type'], ['NotNull'])) { |
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return ''; |
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} |
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$values = is_array(array_get($where, 'values')) |
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? implode('_', $where['values']) |
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: ''; |
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if (! $values && $this->query->bindings['where'] ?? false) { |
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$values = implode('_', $this->query->bindings['where']); |
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} |
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return '_' . $values; |
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} |
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protected function getWhereClauses(array $wheres = []) : string |
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{ |
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return $this->getWheres($wheres) |
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->reduce(function ($carry, $where) { |
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$value = $this->getNestedClauses($where); |
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$value .= $this->getColumnClauses($where); |
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$value .= $this->getRawClauses($where); |
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$value .= $this->getOtherClauses($where, $carry); |
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return $value; |
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}) |
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. ''; |
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} |
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protected function getNestedClauses(array $where) : string |
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{ |
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if (! in_array($where['type'], ['Exists', 'Nested', 'NotExists'])) { |
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return ''; |
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} |
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return '_' . strtolower($where['type']) . $this->getWhereClauses($where['query']->wheres); |
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} |
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protected function getColumnClauses(array $where) : string |
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{ |
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if ($where['type'] !== 'Column') { |
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return ''; |
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} |
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return "_{$where['boolean']}_{$where['first']}_{$where['operator']}_{$where['second']}"; |
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} |
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protected function getRawClauses(array $where) : string |
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{ |
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if ($where['type'] !== 'raw') { |
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return ''; |
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} |
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return "_{$where['boolean']}_" . str_slug($where['sql']); |
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} |
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protected function getOtherClauses(array $where, string $carry = null) : string |
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{ |
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if (in_array($where['type'], ['Exists', 'Nested', 'NotExists', 'raw', 'Column'])) { |
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return ''; |
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} |
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$value = $this->getTypeClause($where); |
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$value .= $this->getValuesClause($where); |
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return "{$carry}-{$where['column']}_{$value}"; |
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} |
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protected function getWheres(array $wheres) : Collection |
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{ |
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$wheres = collect($wheres); |
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if ($wheres->isEmpty()) { |
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$wheres = collect($this->query->wheres); |
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} |
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return $wheres; |
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} |
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protected function getWithModels() : string |
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{ |
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$eagerLoads = collect($this->eagerLoad); |
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if ($eagerLoads->isEmpty()) { |
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return ''; |
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} |
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return '-' . implode('-', $eagerLoads->keys()->toArray()); |
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} |
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} |
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GeneaLabs /
laravel-model-caching
