HnrAzevedo\Datamanager\CheckTrait

Complexity

Total Complexity

20

Size/Duplication

Total Lines	56
Duplicated Lines	0 %

Importance

Changes	1
Bugs	0	Features	0

7 Methods

Rating	Name	Duplication	Size	Complexity
A	check_where_array()	0	8	4
A	isSettable()	0	4	3
A	checkLimit()	0	4	2
A	checkMaxlength()	0	4	2
A	isIncremented()	0	3	2
A	upgradeable()	0	3	3
A	checkForChanges()	0	12	4

<?php

namespace HnrAzevedo\Datamanager;

use HnrAzevedo\Datamanager\DatamanagerException;

trait CheckTrait{

    protected function check_where_array(array $where)
    {
        if(count($where) != 3){
            throw new DatamanagerException("Condition where set incorrectly: ".implode(' ',$where));
        }

        if(!array_key_exists($where[0],$this->data) && $this->full){
            throw new DatamanagerException("{$where[0]} field does not exist in the table {$this->table}.");
        }
    }

    protected function isSettable(string $prop)
    {
        if($this->full && !array_key_exists($prop,$this->data)){
            throw new DatamanagerException("{$prop} field does not exist in the table {$this->table}.");
        }
    }

    protected function checkLimit()
    {
        if(is_null($this->limit)){
            throw new DatamanagerException("The limit must be set before the offset.");
        }
    }

    protected function checkMaxlength(string $field, $val , $max)
    {
        if(strlen($val) > $max){
            throw new DatamanagerException("The information provided for column {$field} of table {$this->table} exceeded that allowed.");
        }
    }

    protected function upgradeable(string $field): bool
    {
        return (($this->data[$field]['changed'] && $this->data[$field]['upgradeable']) || $this->primary === $field);
    }

    protected function isIncremented(string $field): bool
    {
        return ( strstr($this->data[$field]['extra'],'auto_increment') && $field === $this->primary );
    }

    protected function checkForChanges(): bool
    {
        $hasChanges = false;
        foreach($this->data as $data){
            if($data['changed']){
                $hasChanges = true;
            }
        }
        if(!$hasChanges){
            throw new DatamanagerException('There were no changes to be saved in the database.');
        }
        return true;
    }
}