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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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protected function getCachePrefix() : string |
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{ |
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return "genealabs:laravel-model-caching:" |
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. (config("laravel-model-caching.cache-prefix") |
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? config("laravel-model-caching.cache-prefix", "") . ":" |
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: ""); |
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} |
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public function __construct( |
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array $eagerLoad, |
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Model $model, |
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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 = $this->getCachePrefix(); |
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$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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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", "NotIn", "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 = $this->getValuesFromWhere($where); |
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$values = $this->getValuesFromBindings($values); |
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return "_" . $values; |
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} |
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protected function getValuesFromWhere(array $where) : string |
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{ |
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return is_array(array_get($where, "values")) |
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? implode("_", $where["values"]) |
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: ""; |
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} |
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protected function getValuesFromBindings(string $values) : string |
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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
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