CacheBelongsToMany::value() - Code Metrics - Inspection of "Belongs-to-many fix" - GeneaLabs/laravel-model-caching - Measure and Improve Code Quality continuously with Scrutinizer

Passed
Pull Request — master (#246)

unknown
created 2019-05-16 10:16 UTC
CacheBelongsToMany::value() A

↳ Parent: CacheBelongsToMany
Complexity

Conditions	2
Paths	2
Size

Total Lines	9
Code Lines	4
Duplication

Lines	0
Ratio	0 %
Importance

Changes
Metric	Value
cc	2
eloc	4
nc	2
nop	1
dl	0
loc	9
rs	10
c	0
b	0
f	0
<?php
namespace GeneaLabs\LaravelModelCaching;

use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use GeneaLabs\LaravelModelCaching\Traits\BuilderCaching;
use GeneaLabs\LaravelModelCaching\Traits\Caching;
use Fico7489\Laravel\Pivot\Traits\FiresPivotEventsTrait;

class CacheBelongsToMany extends BelongsToMany
{
    use BuilderCaching,

        Caching,
        FiresPivotEventsTrait;

    protected function makeCacheKey(
        array $columns = ['*'],
        $idColumn = null,
        string $keyDifferentiator = ''
    ) : string {
        $eagerLoad = $this->eagerLoad ?? [];

        $model = $this->model ?? $this;

        $query = $this->query->getQuery() ?? app('db')->query();

        return (new CacheKey($eagerLoad, $model, $query))
            ->make($columns, $idColumn, $keyDifferentiator);
    }

    public function avg($column)
    {
        if (! $this->isCachable()) {
            return parent::avg($column);
            return parent::/** @scrutinizer ignore-call */ avg($column);
        }

        $cacheKey = $this->makeCacheKey(["*"], null, "-avg_{$column}");

        return $this->cachedValue(func_get_args(), $cacheKey);
    }

    public function count($columns = "*")
    {
        if (! $this->isCachable()) {
            return parent::count($columns);
            return parent::/** @scrutinizer ignore-call */ count($columns);
        }

        $cacheKey = $this->makeCacheKey([$columns], null, "-count");

        return $this->cachedValue(func_get_args(), $cacheKey);
    }

    public function decrement($column, $amount = 1, array $extra = [])
    {
        $this->cache($this->makeCacheTags())
            ->flush();

        return parent::decrement($column, $amount, $extra);
        return parent::/** @scrutinizer ignore-call */ decrement($column, $amount, $extra);
    }

    public function delete()
    {
        $this->cache($this->makeCacheTags())
            ->flush();

        return parent::delete();
        return parent::/** @scrutinizer ignore-call */ delete();
    }

    /**
     * @SuppressWarnings(PHPMD.ShortVariable)
     */
    public function find($id, $columns = ["*"])
    {
        if (! $this->isCachable()) {
            return parent::find($id, $columns);
        }

        $idKey = collect($id)
            ->implode('_');
        $preStr = is_array($id)
            ? 'find_list'
            : 'find';
        $cacheKey = $this->makeCacheKey($columns, null, "-{$preStr}_{$idKey}");

        return $this->cachedValue(func_get_args(), $cacheKey);
    }

    public function first($columns = ["*"])
    {
        if (! $this->isCachable()) {
            return parent::first($columns);
        }

        if (! is_array($columns)) {
            $columns = [$columns];
        }

        $cacheKey = $this->makeCacheKey($columns, null, "-first");

        return $this->cachedValue(func_get_args(), $cacheKey);
    }

    public function forceDelete()
    {
        $this->cache($this->makeCacheTags())
            ->flush();

        return parent::forceDelete();
        return parent::/** @scrutinizer ignore-call */ forceDelete();
    }

    public function get($columns = ["*"])
    {
        if (! $this->isCachable()) {
            return parent::get($columns);
        }

        $cacheKey = $this->makeCacheKey($columns);

        return $this->cachedValue(func_get_args(), $cacheKey);
    }

    public function increment($column, $amount = 1, array $extra = [])
    {
        $this->cache($this->makeCacheTags())
            ->flush();

        return parent::increment($column, $amount, $extra);
        return parent::/** @scrutinizer ignore-call */ increment($column, $amount, $extra);
    }

    public function inRandomOrder($seed = '')
    {
        $this->isCachable = false;

        return parent::inRandomOrder($seed);
        return parent::/** @scrutinizer ignore-call */ inRandomOrder($seed);
    }

    public function insert(array $values)
    {
        $this->checkCooldownAndFlushAfterPersisting($this->model);


        return parent::insert($values);
        return parent::/** @scrutinizer ignore-call */ insert($values);
    }

    public function max($column)
    {
        if (! $this->isCachable()) {
            return parent::max($column);
            return parent::/** @scrutinizer ignore-call */ max($column);
        }

        $cacheKey = $this->makeCacheKey(["*"], null, "-max_{$column}");

        return $this->cachedValue(func_get_args(), $cacheKey);
    }

    public function min($column)
    {
        if (! $this->isCachable()) {
            return parent::min($column);
            return parent::/** @scrutinizer ignore-call */ min($column);
        }

        $cacheKey = $this->makeCacheKey(["*"], null, "-min_{$column}");

        return $this->cachedValue(func_get_args(), $cacheKey);
    }

    public function paginate(
        $perPage = null,
        $columns = ["*"],
        $pageName = "page",
        $page = null
    ) {
        if (! $this->isCachable()) {
            return parent::paginate($perPage, $columns, $pageName, $page);
        }

        $page = app('request')->input($pageName)
            ?: $page
            ?: 1;

        if (is_array($page)) {
            $page = $this->recursiveImplodeWithKey($page);
        }
        $cacheKey = $this->makeCacheKey($columns, null, "-paginate_by_{$perPage}_{$pageName}_{$page}");

        return $this->cachedValue(func_get_args(), $cacheKey);
    }

    public function getRelation($name)
    {
        $relation = parent::getRelation($name);
        $relation = parent::getRelation($name);

        if (! $this->isCachable()
            && is_a($relation->getQuery(), self::class)
        ) {
            $relation->getQuery()->disableModelCaching();
        }

        return $relation;
    }

    protected function recursiveImplodeWithKey(array $items, string $glue = "_") : string
    {
        $result = "";

        foreach ($items as $key => $value) {
            if (is_array($value)) {
                $result .= $key . $glue . $this->recursiveImplodeWithKey($value, $glue);

                continue;
            }

            $result .= $glue . $key . $glue . $value;
        }

        return $result;
    }

    public function pluck($column, $key = null)
    {
        if (! $this->isCachable()) {
            return parent::pluck($column, $key);
            return parent::/** @scrutinizer ignore-call */ pluck($column, $key);
        }

        $keyDifferentiator = "-pluck_{$column}" . ($key ? "_{$key}" : "");
        $cacheKey = $this->makeCacheKey([$column], null, $keyDifferentiator);

        return $this->cachedValue(func_get_args(), $cacheKey);
    }

    public function sum($column)
    {
        if (! $this->isCachable()) {
            return parent::sum($column);
            return parent::/** @scrutinizer ignore-call */ sum($column);
        }

        $cacheKey = $this->makeCacheKey(["*"], null, "-sum_{$column}");

        return $this->cachedValue(func_get_args(), $cacheKey);
    }

    public function update(array $values)
    {
        $this->checkCooldownAndFlushAfterPersisting($this->model);


        return parent::update($values);
        return parent::/** @scrutinizer ignore-call */ update($values);
    }

    public function value($column)
    {
        if (! $this->isCachable()) {
            return parent::value($column);
            return parent::/** @scrutinizer ignore-call */ value($column);
        }

        $cacheKey = $this->makeCacheKey(["*"], null, "-value_{$column}");

        return $this->cachedValue(func_get_args(), $cacheKey);
    }

    public function cachedValue(array $arguments, string $cacheKey)
    {
        $method = debug_backtrace()[1]['function'];
        $cacheTags = $this->makeCacheTags();
        $hashedCacheKey = sha1($cacheKey);
        $result = $this->retrieveCachedValue(
            $arguments,
            $cacheKey,
            $cacheTags,
            $hashedCacheKey,
            $method
        );

        return $this->preventHashCollision(
            $result,
            $arguments,
            $cacheKey,
            $cacheTags,
            $hashedCacheKey,
            $method
        );
    }

    protected function preventHashCollision(
        array $result,
        array $arguments,
        string $cacheKey,
        array $cacheTags,
        string $hashedCacheKey,
        string $method
    ) {
        if ($result["key"] === $cacheKey) {
            return $result["value"];
        }

        $this->cache()
            ->tags($cacheTags)
            ->forget($hashedCacheKey);

        return $this->retrieveCachedValue(
            $arguments,
            $cacheKey,
            $cacheTags,
            $hashedCacheKey,
            $method
        );
    }

    protected function retrieveCachedValue(
        array $arguments,
        string $cacheKey,
        array $cacheTags,
        string $hashedCacheKey,
        string $method
    ) {
        $this->checkCooldownAndRemoveIfExpired($this->getModel());
        $this->checkCooldownAndRemoveIfExpired($this->/** @scrutinizer ignore-call */ getModel());

        return $this->cache($cacheTags)
            ->rememberForever(
                $hashedCacheKey,
                function () use ($arguments, $cacheKey, $method) {
                    return [
                        "key" => $cacheKey,
                        "value" => parent::{$method}(...$arguments),
                    ];
                }
            );
    }
}

GeneaLabs / laravel-model-caching

Pull Request — master (#246)

CacheBelongsToMany::value() A

Complexity

Size

Duplication

Importance

Duplication Side-by-Side

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