Completed
Branch ddd-changes (96d3bc)
by Gabriel
05:08
created

ConvergeHandler::handle()   B

Complexity

Conditions 4
Paths 6

Size

Total Lines 30
Code Lines 19

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 22
CRAP Score 4

Importance

Changes 1
Bugs 0 Features 0
Metric Value
c 1
b 0
f 0
dl 0
loc 30
ccs 22
cts 22
cp 1
rs 8.5806
cc 4
eloc 19
nc 6
nop 1
crap 4
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<?php
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/*
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 *
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 * This software consists of voluntary contributions made by many individuals
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 * and is licensed under the MIT license. For more information, see
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 * <http://www.doctrine-project.org>.
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 */
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namespace Baleen\Migrations\Service\Command\Migrate\Converge;
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use Baleen\Migrations\Migration\Options\Direction;
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use Baleen\Migrations\Service\Command\Migrate\Collection\CollectionCommand;
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/**
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 * Class ConvergeHandler
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 *
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 * @author Gabriel Somoza <[email protected]>
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 */
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final class ConvergeHandler
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{
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    /**
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     * converge (v): come together from different directions so as eventually to meet.
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     *
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     * @param ConvergeCommand $command
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     *
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     * @return \Baleen\Migrations\Shared\Collection\CollectionInterface
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     */
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    public function handle(ConvergeCommand $command)
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    {
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        $collection = $command->getCollection();
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        $targetUp = $command->getTarget();
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        $options = $command->getOptions();
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        $domainBus = $command->getDomainBus();
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        $position = $collection->getPosition($targetUp);
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        $targetDown = $collection->getByPosition($position + 1);
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        $changed = clone $collection;
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        $changed->clear();
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        $upCommand = new CollectionCommand($collection, $targetUp, $options->withDirection(Direction::up()));
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        $upChanges = $domainBus->handle($upCommand);
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        if (!empty($upChanges)) {
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            $changed->merge($upChanges);
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        }
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        // if we're not yet at the end of the queue (where no migrations can go down)
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        if (null !== $targetDown) {
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            $downCommand = new CollectionCommand($collection, $targetDown, $options->withDirection(Direction::down()));
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            $downChanges = $domainBus->handle($downCommand);
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            if (!empty($downChanges)) {
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                $changed->merge($downChanges);
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            }
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        }
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        return $changed->sort();
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    }
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}
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