Initial commit

Author: Nayjest

.gitignore

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+vendor
+composer.phar
+composer.lock
+apigen.phar
+phpunit.phar
+build

README.md

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-# eloquent-data-processing
+# ViewComponents\EloquentDataProcessing
 Eloquent ORM support for ViewComponents
+
+## Installation
+
+The recommended way of installing the component is through [Composer](https://getcomposer.org).
+
+Run following command:
+
+```bash
+composer require view-components/eloquent-data-processing
+```
+
+## Security
+
+If you discover any security related issues, please email mail@vitaliy.in instead of using the issue tracker.
+
+## Testing
+
+Execute phpunit from package folder.
+
+```bash
+phpunit
+```
+Package dependencies must be installed via composer (run 'composer install').
+
+## License
+
+© 2015 — 2016 Vitalii Stepanenko
+
+Licensed under the MIT License.
+
+Please see [License File](LICENSE) for more information.

composer.json

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+{
+    "name": "view-components/eloquent-data-processing",
+    "description": "Eloquent ORM support for ViewComponents",
+    "keywords": [
+        "laravel",
+        "laravel-5",
+        "laravel5",
+        "laravel4",
+        "laravel-4"
+    ],
+    "homepage": "https://github.com/view-components/eloquent-data-processing",
+    "type": "library",
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Vitalii [Nayjest] Stepanenko",
+            "email": "mail@vitaliy.in",
+            "role": "Developer"
+        }
+    ],
+    "require": {
+        "view-components/view-components": "*"
+    },
+    "autoload": {
+        "psr-4": {
+            "ViewComponents\\Eloquent\\": "src/"
+        }
+    },
+    "support": {
+        "email": "mail@vitaliy.in",
+        "source": "https://github.com/view-components/eloquent-data-processing",
+        "issues": "https://github.com/view-components/eloquent-data-processing/issues"
+    },
+    "minimum-stability": "dev"
+}

src/EloquentDataProvider.php

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+<?php
+
+namespace ViewComponents\Eloquent;
+
+use Illuminate\Database\Eloquent\Builder as EloquentBuilder;
+use Illuminate\Database\Query\Builder;
+use ViewComponents\ViewComponents\Data\AbstractDataProvider;
+use ViewComponents\ViewComponents\Data\Operation\OperationInterface;
+
+class EloquentDataProvider extends AbstractDataProvider
+{
+    /**
+     *
+     * @param Builder|EloquentBuilder $src
+     * @param OperationInterface[] $operations
+     */
+    public function __construct($src, array $operations = [])
+    {
+        $this->operations()->set($operations);
+        $this->processingService = new EloquentProcessingService(
+            new EloquentProcessorResolver(),
+            $this->operations(),
+            $src
+        );
+    }
+}

src/EloquentProcessingService.php

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+<?php
+
+namespace ViewComponents\Eloquent;
+
+use ArrayIterator;
+use Illuminate\Database\Eloquent\Builder as EloquentBuilder;
+use Illuminate\Database\Query\Builder;
+use RuntimeException;
+use Traversable;
+use ViewComponents\ViewComponents\Data\ProcessingService\AbstractProcessingService;
+
+/**
+ * Class DbTableProcessingManager.
+ */
+class EloquentProcessingService extends AbstractProcessingService
+{
+    /**
+     * @param Builder|EloquentBuilder $data
+     * @return Traversable
+     */
+    protected function afterOperations($data)
+    {
+        if ($data instanceof EloquentBuilder) {
+            return $data->get();
+        } elseif ($data instanceof Builder) {
+            return new ArrayIterator($data->get());
+        }
+        throw new RuntimeException('Unsupported type of data source.');
+    }
+
+    /**
+     * @param Builder|EloquentBuilder $data
+     * @return Builder|EloquentBuilder
+     */
+    protected function beforeOperations($data)
+    {
+        return clone $data;
+    }
+
+    /**
+     * @return int
+     */
+    public function count()
+    {
+        return $this->applyOperations(
+            $this->beforeOperations($this->dataSource)
+        )->count();
+    }
+}

src/EloquentProcessorResolver.php

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+<?php
+
+namespace ViewComponents\Eloquent;
+
+use ViewComponents\Eloquent\Processor\FilterProcessor;
+use ViewComponents\Eloquent\Processor\PaginateProcessor;
+use ViewComponents\Eloquent\Processor\SortProcessor;
+use ViewComponents\ViewComponents\Data\Operation\FilterOperation;
+use ViewComponents\ViewComponents\Data\Operation\PaginateOperation;
+use ViewComponents\ViewComponents\Data\Operation\SortOperation;
+use ViewComponents\ViewComponents\Data\ProcessorResolver\ProcessorResolver;
+
+class EloquentProcessorResolver extends ProcessorResolver
+{
+    public function __construct()
+    {
+        $this
+            ->register(SortOperation::class,        SortProcessor::class)
+            ->register(FilterOperation::class,      FilterProcessor::class)
+            ->register(PaginateOperation::class,    PaginateProcessor::class)
+        ;
+    }
+}

src/Processor/FilterProcessor.php

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+<?php
+
+namespace ViewComponents\Eloquent\Processor;
+
+use Illuminate\Database\Eloquent\Builder;
+use Presentation\Framework\Data\Operation\FilterOperation;
+use Presentation\Framework\Data\Operation\OperationInterface;
+use Presentation\Framework\Data\Processor\ProcessorInterface;
+
+class FilterProcessor implements ProcessorInterface
+{
+    /**
+     * @param Builder $src
+     * @param OperationInterface|FilterOperation $operation
+     * @return mixed
+     */
+    public function process($src, OperationInterface $operation)
+    {
+        $value = $operation->getValue();
+        $operator = $operation->getOperator();
+        $field = $operation->getField();
+        $src->where($field, $operator, $value);
+        return $src;
+    }
+}

src/Processor/PaginateProcessor.php

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+<?php
+
+namespace ViewComponents\Eloquent\Processor;
+
+use Illuminate\Database\Eloquent\Builder;
+use ViewComponents\ViewComponents\Data\Operation\OperationInterface;
+use ViewComponents\ViewComponents\Data\Operation\PaginateOperation;
+use ViewComponents\ViewComponents\Data\Processor\AbstractPaginateProcessor;
+
+class PaginateProcessor extends AbstractPaginateProcessor
+{
+    /**
+     * @param Builder $src
+     * @param OperationInterface|PaginateOperation $operation
+     * @return mixed
+     */
+    public function process($src, OperationInterface $operation)
+    {
+
+        $src->getQuery()
+            ->limit($operation->getPageSize())
+            ->offset($this->getOffset($operation));
+        return $src;
+    }
+}

src/Processor/SortProcessor.php

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+<?php
+
+namespace ViewComponents\Eloquent\Processor;
+
+use Illuminate\Database\Eloquent\Builder;
+use ViewComponents\ViewComponents\Data\Operation\OperationInterface;
+use ViewComponents\ViewComponents\Data\Operation\SortOperation;
+use ViewComponents\ViewComponents\Data\Processor\ProcessorInterface;
+
+class SortProcessor implements ProcessorInterface
+{
+    /**
+     * @param Builder $src
+     * @param OperationInterface|SortOperation $operation
+     * @return mixed
+     */
+    public function process($src, OperationInterface $operation)
+    {
+        $field = $operation->getField();
+        $order = $operation->getOrder();
+        $src->orderBy($field, $order);
+        return $src;
+    }
+}