AbstractRepository::__construct() - Code Metrics - Inspection of "changes" - SherifElfadaly/Laravel-Api-Skeleton - Measure and Improve Code Quality continuously with Scrutinizer

Completed
Push — master ( 9ecb5e...97e3cb )

by Sherif
created 2018-02-28 15:41 UTC
AbstractRepository::__construct() A

↳ Parent: AbstractRepository
Complexity

Conditions	1
Paths	1
Size

Total Lines	5
Code Lines	3
Duplication

Lines	0
Ratio	0 %
Importance

Changes
Metric	Value
dl	0
loc	5
rs	9.4285
c	0
b	0
f	0
cc	1
eloc	3
nc	1
nop	0
<?php namespace App\Modules\V1\Core\AbstractRepositories;

use App\Modules\V1\Core\Interfaces\RepositoryInterface;

abstract class AbstractRepository implements RepositoryInterface
{
    /**
     * The model implementation.
     * 
     * @var model
     */
    public $model;
    
    /**
     * The config implementation.
     * 
     * @var config
     */
    protected $config;
    
    /**
     * Create new AbstractRepository instance.
     */
    public function __construct()
    {   
        $this->config = \CoreConfig::getConfig();
        $this->model  = \App::make($this->getModel());
    }

    /**
     * Fetch all records with relations from the storage.
     *
     * @param  array   $relations
     * @param  string  $sortBy
     * @param  boolean $desc
     * @param  array   $columns
     * @return collection
     */
    public function all($relations = [], $sortBy = 'created_at', $desc = 1, $columns = array('*'))
    {
        $sort = $desc ? 'desc' : 'asc';
        return call_user_func_array("{$this->getModel()}::with", array($relations))->orderBy($sortBy, $sort)->get($columns);
    }

    /**
     * Fetch all records with relations from storage in pages 
     * that matche the given query.
     * 
     * @param  string  $query
     * @param  integer $perPage
     * @param  array   $relations
     * @param  string  $sortBy
     * @param  boolean $desc
     * @param  array   $columns
     * @return collection
     */
    public function search($query, $perPage = 15, $relations = [], $sortBy = 'created_at', $desc = 1, $columns = array('*'))
    {
        $model            = call_user_func_array("{$this->getModel()}::with", array($relations));
        $conditionColumns = $this->model->searchable;
        $sort             = $desc ? 'desc' : 'asc';

        /**
         * Construct the select conditions for the model.
         */
        $model->where(function ($q) use ($query, $conditionColumns, $relations){

            if (count($conditionColumns)) 

            {
                $column = 'LOWER(' . array_shift($conditionColumns) . ')';
                if (str_contains($column, '->')) 
                {
                    $column = $this->wrapJsonSelector($column);
                }

                /**
                 * Use the first element in the model columns to construct the first condition.
                 */
                $q->where(\DB::raw($column), 'LIKE', '%' . strtolower($query) . '%');
            }

            /**
             * Loop through the rest of the columns to construct or where conditions.
             */
            foreach ($conditionColumns as $column) 

            {
                $column = 'LOWER(' . $column . ')';
                if (str_contains($column, '->')) 
                {
                    $column = $this->wrapJsonSelector($column);
                }

                $q->orWhere(\DB::raw($column), 'LIKE', '%' . strtolower($query) . '%');
            }

            /**
             * Loop through the model relations.
             */
            foreach ($relations as $relation) 
            {
                /**
                 * Remove the sub relation if exists.
                 */
                $relation = explode('.', $relation)[0];

                /**
                 * Try to fetch the relation repository from the core.
                 */
                if (\Core::$relation()) 
                {
                    /**
                     * Construct the relation condition.
                     */
                    $q->orWhereHas($relation, function ($subModel) use ($query, $relation){

                        $subModel->where(function ($q) use ($query, $relation){

                            /**
                             * Get columns of the relation.
                             */
                            $subConditionColumns = \Core::$relation()->model->searchable;

                            if (count($subConditionColumns)) 

                            {

                                $column = 'LOWER(' . array_shift($subConditionColumns) . ')';
                                if (str_contains($column, '->')) 
                                {
                                    $column = $this->wrapJsonSelector($column);
                                }

                                /**
                                * Use the first element in the relation model columns to construct the first condition.
                                 */
                                $q->where(\DB::raw($column), 'LIKE', '%' . strtolower($query) . '%');
                            }

                            /**
                             * Loop through the rest of the columns to construct or where conditions.
                             */
                            foreach ($subConditionColumns as $subConditionColumn)

                            {
                                $column = 'LOWER(' . $subConditionColumn . ')';
                                if (str_contains($column, '->')) 
                                {
                                    $column = $this->wrapJsonSelector($column);
                                }
                                
                                $q->orWhere(\DB::raw($column), 'LIKE', '%' . strtolower($query) . '%');
                            } 
                        });

                    });
                }
            }
        });
        
        return $model->orderBy($sortBy, $sort)->paginate($perPage, $columns);
    }
    
    /**
     * Fetch all records with relations from storage in pages.
     * 
     * @param  integer $perPage
     * @param  array   $relations
     * @param  string  $sortBy
     * @param  boolean $desc
     * @param  array   $columns
     * @return collection
     */
    public function paginate($perPage = 15, $relations = [], $sortBy = 'created_at', $desc = 1, $columns = array('*'))
    {
        $sort = $desc ? 'desc' : 'asc';
        return call_user_func_array("{$this->getModel()}::with", array($relations))->orderBy($sortBy, $sort)->paginate($perPage, $columns);
    }

    /**
     * Fetch all records with relations based on
     * the given condition from storage in pages.
     * 
     * @param  array   $conditions array of conditions
     * @param  integer $perPage
     * @param  array   $relations
     * @param  string  $sortBy
     * @param  boolean $desc
     * @param  array   $columns
     * @return collection
     */
    public function paginateBy($conditions, $perPage = 15, $relations = [], $sortBy = 'created_at', $desc = 1, $columns = array('*'))
    {
        unset($conditions['page']);
        $conditions = $this->constructConditions($conditions, $this->model);
        $sort       = $desc ? 'desc' : 'asc';
        return call_user_func_array("{$this->getModel()}::with", array($relations))->whereRaw($conditions['conditionString'], $conditions['conditionValues'])->orderBy($sortBy, $sort)->paginate($perPage, $columns);
    }
    
    /**
     * Save the given model to the storage.
     * 
     * @param  array   $data
     * @return void
     */
    public function save(array $data)
    {
        $model      = false;
        $modelClass = $this->model;
        $relations  = [];

        \DB::transaction(function () use (&$model, &$relations, $data, $modelClass) {
            /**
             * If the id is present in the data then select the model for updating,
             * else create new model.
             * @var array
             */
            $model = array_key_exists('id', $data) ? $modelClass->lockForUpdate()->find($data['id']) : new $modelClass;
            if ( ! $model) 
            {
                \ErrorHandler::notFound(class_basename($modelClass) . ' with id : ' . $data['id']);
            }

            /**
             * Construct the model object with the given data,
             * and if there is a relation add it to relations array,
             * then save the model.
             */
            foreach ($data as $key => $value) 
            {
                /**
                 * If the attribute is a relation.
                 */
                $relation = camel_case($key);
                if (method_exists($model, $relation) && \Core::$relation())
                {
                    /**
                     * Check if the relation is a collection.
                     */
                    if (class_basename($model->$relation) == 'Collection') 
                    {   
                        /**
                         * If the relation has no value then marke the relation data 
                         * related to the model to be deleted.
                         */
                        if ( ! $value || ! count($value)) 
                        {
                            $relations[$relation] = 'delete';
                        }   
                    }
                    if (is_array($value)) 
                    {
                        /**
                         * Loop through the relation data.
                         */
                        foreach ($value as $attr => $val) 
                        {
                            /**
                             * Get the relation model.
                             */
                            $relationBaseModel = \Core::$relation()->model;

                            /**
                             * Check if the relation is a collection.
                             */
                            if (class_basename($model->$relation) == 'Collection')
                            {
                                /**
                                 * If the id is present in the data then select the relation model for updating,
                                 * else create new model.
                                 */
                                $relationModel = array_key_exists('id', $val) ? $relationBaseModel->lockForUpdate()->find($val['id']) : new $relationBaseModel;

                                /**
                                 * If model doesn't exists.
                                 */
                                if ( ! $relationModel) 
                                {
                                    \ErrorHandler::notFound(class_basename($relationBaseModel) . ' with id : ' . $val['id']);
                                }

                                /**
                                 * Loop through the relation attributes.
                                 */
                                foreach ($val as $attr => $val) 
                                {
                                    /**
                                     * Prevent the sub relations or attributes not in the fillable.
                                     */
                                    if (gettype($val) !== 'object' && gettype($val) !== 'array' &&  array_search($attr, $relationModel->getFillable(), true) !== false)
                                    {
                                        $relationModel->$attr = $val;
                                    }
                                }

                                $relations[$relation][] = $relationModel;
                            }
                            /**
                             * If not collection.
                             */
                            else
                            {
                                /**
                                 * Prevent the sub relations.
                                 */
                                if (gettype($val) !== 'object' && gettype($val) !== 'array') 
                                {

                                    /**
                                     * If the id is present in the data then select the relation model for updating,
                                     * else create new model.
                                     */
                                    $relationModel = array_key_exists('id', $value) ? $relationBaseModel->lockForUpdate()->find($value['id']) : new $relationBaseModel;

                                    /**
                                     * If model doesn't exists.
                                     */
                                    if ( ! $relationModel) 
                                    {
                                        \ErrorHandler::notFound(class_basename($relationBaseModel) . ' with id : ' . $value['id']);
                                    }

                                    foreach ($value as $relationAttribute => $relationValue) 
                                    {
                                        /**
                                         * Prevent attributes not in the fillable.
                                         */
                                        if (array_search($relationAttribute, $relationModel->getFillable(), true) !== false) 
                                        {
                                            $relationModel->$relationAttribute = $relationValue;
                                        }
                                    }

                                    $relations[$relation] = $relationModel;
                                }
                            }
                        }
                    }
                }
                /**
                 * If the attribute isn't a relation and prevent attributes not in the fillable.
                 */
                else if (array_search($key, $model->getFillable(), true) !== false)
                {
                    $model->$key = $value;   
                }
            }
            /**
             * Save the model.
             */
            $model->save();

            /**
             * Loop through the relations array.
             */
            foreach ($relations as $key => $value) 
            {
                /**
                 * If the relation is marked for delete then delete it.
                 */
                if ($value == 'delete' && $model->$key()->count())
                {
                    $model->$key()->delete();
                }
                /**
                 * If the relation is an array.
                 */
                else if (gettype($value) == 'array') 
                {
                    $ids = [];
                    /**
                     * Loop through the relations.
                     */
                    foreach ($value as $val) 
                    {
                        switch (class_basename($model->$key())) 
                        {
                            /**
                             * If the relation is one to many then update it's foreign key with
                             * the model id and save it then add its id to ids array to delete all 
                             * relations who's id isn't in the ids array.
                             */
                            case 'HasMany':
                                $foreignKeyName       = $model->$key()->getForeignKeyName();
                                $val->$foreignKeyName = $model->id;
                                $val->save();
                                $ids[] = $val->id;
                                break;

                            /**
                             * If the relation is many to many then add it's id to the ids array to
                             * attache these ids to the model.
                             */
                            case 'BelongsToMany':
                                $val->save();
                                $ids[] = $val->id;
                                break;
                        }
                    }
                    switch (class_basename($model->$key())) 
                    {
                        /**
                         * If the relation is one to many then delete all 
                         * relations who's id isn't in the ids array.
                         */
                        case 'HasMany':
                            $model->$key()->whereNotIn('id', $ids)->delete();
                            break;

                        /**
                         * If the relation is many to many then 
                         * detach the previous data and attach 
                         * the ids array to the model.
                         */
                        case 'BelongsToMany':
                            $model->$key()->detach();
                            $model->$key()->attach($ids);
                            break;
                    }
                }
                /**
                 * If the relation isn't array.
                 */
                else
                {
                    switch (class_basename($model->$key())) 
                    {
                        /**
                         * If the relation is one to many or one to one.
                         */
                        case 'HasOne':
                            $foreignKeyName         = $model->$key()->getForeignKeyName();
                            $value->$foreignKeyName = $model->id;
                            $value->save();
                            break;
                    }
                }
            }
        });
            
        return $model->id;
    }
    
    /**
     * Update record in the storage based on the given
     * condition.
     * 
     * @param  var $value condition value
     * @param  array $data
     * @param  string $attribute condition column name
     * @return void
     */
    public function update($value, array $data, $attribute = 'id')
    {
        if ($attribute == 'id') 
        {
            $model = $this->model->lockForUpdate()->find($value);
            $model ? $model->update($data) : 0;
        }
        else
        {
            call_user_func_array("{$this->getModel()}::where", array($attribute, '=', $value))->lockForUpdate()->get()->each(function ($model) use ($data){
                $model->update($data);
            });
        }
    }

    /**
     * Delete record from the storage based on the given
     * condition.
     * 
     * @param  var $value condition value
     * @param  string $attribute condition column name
     * @return void
     */
    public function delete($value, $attribute = 'id')
    {
        if ($attribute == 'id') 
        {
            \DB::transaction(function () use ($value, $attribute, &$result) {
                $model = $this->model->lockForUpdate()->find($value);
                if ( ! $model) 
                {
                    \ErrorHandler::notFound(class_basename($this->model) . ' with id : ' . $value);
                }
                
                $model->delete();
            });
        }
        else
        {
            \DB::transaction(function () use ($value, $attribute, &$result) {
                call_user_func_array("{$this->getModel()}::where", array($attribute, '=', $value))->lockForUpdate()->get()->each(function ($model){
                    $model->delete();
                });
            });   
        }
    }
    
    /**
     * Fetch records from the storage based on the given
     * id.
     * 
     * @param  integer $id
     * @param  array   $relations
     * @param  array   $columns
     * @return object
     */
    public function find($id, $relations = [], $columns = array('*'))
    {
        return call_user_func_array("{$this->getModel()}::with", array($relations))->find($id, $columns);
    }
    
    /**
     * Fetch records from the storage based on the given
     * condition.
     * 
     * @param  array   $conditions array of conditions
     * @param  array   $relations
     * @param  string  $sortBy
     * @param  boolean $desc
     * @param  array   $columns
     * @return collection
     */
    public function findBy($conditions, $relations = [], $sortBy = 'created_at', $desc = 1, $columns = array('*'))
    {
        $conditions = $this->constructConditions($conditions, $this->model);
        $sort       = $desc ? 'desc' : 'asc';
        return call_user_func_array("{$this->getModel()}::with",  array($relations))->whereRaw($conditions['conditionString'], $conditions['conditionValues'])->orderBy($sortBy, $sort)->get($columns);
    }

    /**
     * Fetch the first record from the storage based on the given
     * condition.
     *
     * @param  array   $conditions array of conditions
     * @param  array   $relations
     * @param  array   $columns
     * @return object
     */
    public function first($conditions, $relations = [], $columns = array('*'))
    {
        $conditions = $this->constructConditions($conditions, $this->model);
        return call_user_func_array("{$this->getModel()}::with", array($relations))->whereRaw($conditions['conditionString'], $conditions['conditionValues'])->first($columns);  
    }

    /**
     * Return the deleted models in pages based on the given conditions.
     * 
     * @param  array   $conditions array of conditions
     * @param  integer $perPage
     * @param  string  $sortBy
     * @param  boolean $desc
     * @param  array   $columns
     * @return collection
     */
    public function deleted($conditions, $perPage = 15, $sortBy = 'created_at', $desc = 1, $columns = array('*'))
    {
        unset($conditions['page']);
        $conditions = $this->constructConditions($conditions, $this->model);
        $sort       = $desc ? 'desc' : 'asc';
        $model      = $this->model->onlyTrashed();

        if (count($conditions['conditionValues']))
        {
            $model->whereRaw($conditions['conditionString'], $conditions['conditionValues']);
        }

        return $model->orderBy($sortBy, $sort)->paginate($perPage, $columns);;
    }

    /**
     * Restore the deleted model.
     * 
     * @param  integer $id
     * @return void
     */
    public function restore($id)
    {
        $model = $this->model->onlyTrashed()->find($id);

        if ( ! $model) 
        {
            \ErrorHandler::notFound(class_basename($this->model) . ' with id : ' . $id);
        }

        $model->restore();
    }

    /**
     * Build the conditions recursively for the retrieving methods.
     * @param  array $conditions
     * @return array
     */
    protected function constructConditions($conditions, $model)
    {   
        $conditionString = '';
        $conditionValues = [];
        foreach ($conditions as $key => $value) 
        {
            if (str_contains($key, '->')) 
            {
                $key = $this->wrapJsonSelector($key);
            }

            if ($key == 'and') 
            {
                $conditions       = $this->constructConditions($value, $model);
                $conditionString .= str_replace('{op}', 'and', $conditions['conditionString']) . ' {op} ';
                $conditionValues  = array_merge($conditionValues, $conditions['conditionValues']);
            }
            else if ($key == 'or')
            {
                $conditions       = $this->constructConditions($value, $model);
                $conditionString .= str_replace('{op}', 'or', $conditions['conditionString']) . ' {op} ';
                $conditionValues  = array_merge($conditionValues, $conditions['conditionValues']);
            }
            else
            {
                if (is_array($value)) 
                {
                    $operator = $value['op'];
                    if (strtolower($operator) == 'between') 
                    {
                        $value1 = $value['val1'];
                        $value2 = $value['val2'];
                    }
                    else
                    {
                        $value = array_key_exists('val', $value) ? $value['val'] : '';
                    }
                }
                else
                {
                    $operator = '=';
                }
                
                if (strtolower($operator) == 'between') 
                {
                    $conditionString  .= $key . ' >= ? and ';
                    $conditionValues[] = $value1;
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}

                    $conditionString  .= $key . ' <= ? {op} ';
                    $conditionValues[] = $value2;
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
                }
                elseif (strtolower($operator) == 'in') 
                {
                    $conditionValues  = array_merge($conditionValues, $value);
                    $inBindingsString = rtrim(str_repeat('?,', count($value)), ',');
                    $conditionString .= $key . ' in (' . rtrim($inBindingsString, ',') . ') {op} ';
                }
                elseif (strtolower($operator) == 'null') 
                {
                    $conditionString .= $key . ' is null {op} ';
                }
                elseif (strtolower($operator) == 'not null') 
                {
                    $conditionString .= $key . ' is not null {op} ';
                }
                elseif (strtolower($operator) == 'has') 
                {
                    $sql              = $model->withTrashed()->has($key)->toSql();
                    $conditions       = $this->constructConditions($value, $model->$key()->getRelated());
                    $conditionString .= rtrim(substr($sql, strpos($sql, 'exists')), ')') . ' and ' . $conditions['conditionString'] . ') {op} ';
                    $conditionValues  = array_merge($conditionValues, $conditions['conditionValues']);
                }
                else
                {
                    $conditionString  .= $key . ' ' . $operator . ' ? {op} ';
                    $conditionValues[] = $value;
                }
            }
        }
        $conditionString = '(' . rtrim($conditionString, '{op} ') . ')';
        return ['conditionString' => $conditionString, 'conditionValues' => $conditionValues];
    }

    /**
     * Wrap the given JSON selector.
     *
     * @param  string  $value
     * @return string
     */
    protected function wrapJsonSelector($value)
    {
        $removeLast = strpos($value, ')');
        $value      = $removeLast === false ? $value : substr($value, 0, $removeLast);
        $path       = explode('->', $value);
        $field      = array_shift($path);
        $result     = sprintf('%s->\'$.%s\'', $field, collect($path)->map(function ($part) {
            return '"'.$part.'"';
        })->implode('.'));
        
        return $removeLast === false ? $result : $result . ')';
    }

    /**
     * Abstract method that return the necessary 
     * information (full model namespace)
     * needed to preform the previous actions.
     * 
     * @return string
     */
    abstract protected function getModel();
}
Push — master ( 9ecb5e...97e3cb )

AbstractRepository::__construct() A

Complexity

Size

Duplication

Importance

Available Fixes

Available Fixes

SherifElfadaly / Laravel-Api-Skeleton

Push — master ( 9ecb5e...97e3cb )

AbstractRepository::__construct() A

Complexity

Size

Duplication

Importance

Available Fixes

Available Fixes

Duplication Side-by-Side

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