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Prototype for nesting query filters
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commit
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2 changed files with 75 additions and 32 deletions
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@ -6,16 +6,10 @@
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declare(strict_types=1);
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declare(strict_types=1);
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namespace JKingWeb\Arsse\Misc;
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namespace JKingWeb\Arsse\Misc;
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class Query {
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class Query extends QueryFilter {
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protected $qBody = ""; // main query body
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protected $qBody = ""; // main query body
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protected $tBody = []; // main query parameter types
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protected $tBody = []; // main query parameter types
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protected $vBody = []; // main query parameter values
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protected $vBody = []; // main query parameter values
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protected $qWhere = []; // WHERE clause components
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protected $tWhere = []; // WHERE clause type bindings
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protected $vWhere = []; // WHERE clause binding values
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protected $qWhereNot = []; // WHERE NOT clause components
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protected $tWhereNot = []; // WHERE NOT clause type bindings
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protected $vWhereNot = []; // WHERE NOT clause binding values
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protected $group = []; // GROUP BY clause components
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protected $group = []; // GROUP BY clause components
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protected $order = []; // ORDER BY clause components
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protected $order = []; // ORDER BY clause components
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protected $limit = 0;
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protected $limit = 0;
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@ -34,24 +28,6 @@ class Query {
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return $this;
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return $this;
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}
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}
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public function setWhere(string $where, $types = null, $values = null): self {
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$this->qWhere[] = $where;
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if (!is_null($types)) {
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$this->tWhere[] = $types;
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$this->vWhere[] = $values;
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}
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return $this;
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}
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public function setWhereNot(string $where, $types = null, $values = null): self {
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$this->qWhereNot[] = $where;
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if (!is_null($types)) {
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$this->tWhereNot[] = $types;
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$this->vWhereNot[] = $values;
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}
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return $this;
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}
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public function setGroup(string ...$column): self {
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public function setGroup(string ...$column): self {
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foreach ($column as $col) {
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foreach ($column as $col) {
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$this->group[] = $col;
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$this->group[] = $col;
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@ -81,11 +57,11 @@ class Query {
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}
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}
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public function getTypes(): array {
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public function getTypes(): array {
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return ValueInfo::flatten([$this->tBody, $this->tWhere, $this->tWhereNot]);
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return ValueInfo::flatten([$this->tBody, $this->getWhereTypes()]);
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}
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}
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public function getValues(): array {
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public function getValues(): array {
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return ValueInfo::flatten([$this->vBody, $this->vWhere, $this->vWhereNot]);
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return ValueInfo::flatten([$this->vBody, $this->getWhereValues()]);
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}
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}
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protected function buildQueryBody(): string {
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protected function buildQueryBody(): string {
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@ -94,11 +70,7 @@ class Query {
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$out .= $this->qBody;
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$out .= $this->qBody;
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// add any WHERE terms
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// add any WHERE terms
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if (sizeof($this->qWhere) || sizeof($this->qWhereNot)) {
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if (sizeof($this->qWhere) || sizeof($this->qWhereNot)) {
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$where = implode(" AND ", $this->qWhere);
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$out .= " WHERE ".$this->buildWhereBody();
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$whereNot = implode(" OR ", $this->qWhereNot);
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$whereNot = strlen($whereNot) ? "NOT ($whereNot)" : "";
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$where = implode(" AND ", array_filter([$where, $whereNot]));
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$out .= " WHERE $where";
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}
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}
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// add any GROUP BY terms
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// add any GROUP BY terms
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if (sizeof($this->group)) {
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if (sizeof($this->group)) {
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71
lib/Misc/QueryFilter.php
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71
lib/Misc/QueryFilter.php
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@ -0,0 +1,71 @@
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<?php
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/** @license MIT
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* Copyright 2017 J. King, Dustin Wilson et al.
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* See LICENSE and AUTHORS files for details */
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declare(strict_types=1);
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namespace JKingWeb\Arsse\Misc;
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class QueryFilter {
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protected $qWhere = []; // WHERE clause components
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protected $tWhere = []; // WHERE clause type bindings
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protected $vWhere = []; // WHERE clause binding values
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protected $qWhereNot = []; // WHERE NOT clause components
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protected $tWhereNot = []; // WHERE NOT clause type bindings
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protected $vWhereNot = []; // WHERE NOT clause binding values
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public $filterRestrictive = true;
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public function setWhere(string $where, $types = null, $values = null): self {
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$this->qWhere[] = $where;
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if (!is_null($types)) {
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$this->tWhere[] = $types ?? [];
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$this->vWhere[] = $values;
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}
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return $this;
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}
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public function setWhereNot(string $where, $types = null, $values = null): self {
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$this->qWhereNot[] = $where;
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if (!is_null($types)) {
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$this->tWhereNot[] = $types;
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$this->vWhereNot[] = $values;
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}
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return $this;
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}
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public function setFilter(self $filter): self {
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$this->qWhere[] = "(".$filter->buildWhereBody().")";
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$this->tWhere[] = $filter->getWhereTypes();
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$this->vWhere[] = $filter->getWhereValues();
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return $this;
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}
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protected function getWhereTypes(): array {
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return ValueInfo::flatten([$this->tWhere, $this->tWhereNot]);
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}
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protected function getWhereValues(): array {
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return ValueInfo::flatten([$this->vWhere, $this->vWhereNot]);
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}
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public function getTypes(): array {
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return $this->getWhereTypes();
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}
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public function getValues(): array {
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return $this->getWhereValues();
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}
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protected function buildWhereBody(): string {
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$glue = $this->filterRestrictive ? " AND " : " OR ";
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$where = implode($glue, $this->qWhere);
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$whereNot = implode(" OR ", $this->qWhereNot);
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$whereNot = strlen($whereNot) ? "NOT ($whereNot)" : "";
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return implode($glue, array_filter([$where, $whereNot]));
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}
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public function __toString() {
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return $this->buildWhereBody();
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}
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}
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