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fix folder name
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110
src/Bundle/ChillMainBundle/Doctrine/DQL/OverlapsI.php
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110
src/Bundle/ChillMainBundle/Doctrine/DQL/OverlapsI.php
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<?php
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/*
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* Chill is a software for social workers
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* Copyright (C) 2018 Champs-Libres Coopérative <info@champs-libres.coop>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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namespace Chill\MainBundle\Doctrine\DQL;
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use Doctrine\ORM\Query\AST\Functions\FunctionNode;
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use Doctrine\ORM\Query\Lexer;
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/**
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* DQL function for OVERLAPS function in postgresql
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*
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* If a value is null in period start, it will be replaced by -infinity.
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* If a value is null in period end, it will be replaced by infinity
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*
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*/
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class OverlapsI extends FunctionNode
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{
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private $firstPeriodStart;
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private $firstPeriodEnd;
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private $secondPeriodStart;
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private $secondPeriodEnd;
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public function getSql(\Doctrine\ORM\Query\SqlWalker $sqlWalker)
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{
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return '('
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.$this->makeCase($sqlWalker, $this->firstPeriodStart, 'start').', '
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.$this->makeCase($sqlWalker, $this->firstPeriodEnd, 'end').
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') OVERLAPS ('
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.$this->makeCase($sqlWalker, $this->secondPeriodStart, 'start').', '
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.$this->makeCase($sqlWalker, $this->secondPeriodEnd, 'end').')'
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;
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}
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protected function makeCase($sqlWalker, $part, $position)
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{
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//return $part->dispatch($sqlWalker);
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switch ($position) {
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case 'start' :
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$p = '-infinity';
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break;
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case 'end':
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$p = 'infinity';
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break;
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}
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if ($part instanceof \Doctrine\ORM\Query\AST\PathExpression) {
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return 'CASE WHEN '
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.' '.$part->dispatch($sqlWalker).' IS NOT NULL '
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. 'THEN '.
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$part->dispatch($sqlWalker)
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. ' ELSE '.
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"'".$p."'::date "
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. 'END';
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} else {
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return 'CASE WHEN '
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.' '.$part->dispatch($sqlWalker).'::date IS NOT NULL '
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. 'THEN '.
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$part->dispatch($sqlWalker)
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. '::date ELSE '.
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"'".$p."'::date "
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. 'END';
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}
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}
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public function parse(\Doctrine\ORM\Query\Parser $parser)
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{
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$parser->match(Lexer::T_IDENTIFIER);
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$parser->match(Lexer::T_OPEN_PARENTHESIS);
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$this->firstPeriodStart = $parser->StringPrimary();
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$parser->match(Lexer::T_COMMA);
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$this->firstPeriodEnd = $parser->StringPrimary();
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$parser->match(Lexer::T_CLOSE_PARENTHESIS);
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$parser->match(Lexer::T_COMMA);
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$parser->match(Lexer::T_OPEN_PARENTHESIS);
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$this->secondPeriodStart = $parser->StringPrimary();
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$parser->match(Lexer::T_COMMA);
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$this->secondPeriodEnd = $parser->StringPrimary();
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$parser->match(Lexer::T_CLOSE_PARENTHESIS);
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}
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}
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