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by Osvaldo
05:24
created

Joins::sql()   A

↳ Parent: Joins

Complexity

Conditions 2
Paths 2

Size

Total Lines 10
Code Lines 4

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 5
CRAP Score 2

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 2
eloc 4
c 1
b 0
f 0
nc 2
nop 0
dl 0
loc 10
ccs 5
cts 5
cp 1
crap 2
rs 10
1 
<?php
2 
namespace src\pdodatabase\elementos;
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use src\pdodatabase\elementos\Tabla;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use src\pdodatabase\elementos\Campos;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class Joins

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private $_joins;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private $_tabla;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private $_campos;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function __construct(Tabla $Tabla, Campos $Campos, array $Joins)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->_joins = array_reverse( (array) $Joins);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->_tabla = $Tabla;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->_campos = $this->setCampos($Campos->sql());

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    public function sql(): string

            


            
                                                                        
                            
            
                                    
            
            

                
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    {

            


            
                                                                        
                            
            
                                    
            
            

                
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        $sql = '';

            


            
                                                                        
                            
            
                                    
            
            

                
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        foreach ($this->_joins as $join)

            


            
                                                                        
                            
            
                                    
            
            

                
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        {

            


            
                                                                        
                            
            
                                    
            
            

                
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            $sql = $join->sql().' '.$sql;

            


            
                                                                        
                            
            
                                    
            
            

                
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        }

            


            
                                                                        
                            
            
                                    
            
            

                
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        return 'SELECT '.$this->_campos.','.$this->campos(). ' FROM '. $this->_tabla->sql().' '.$sql;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private function campos(): string

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $campos = '';

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        foreach ($this->_joins as $join)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            $campos = $campos.$join->campos().',';

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return trim($campos,',');

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private function setCampos(string $campos): string

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $campos = str_replace(',',','.$this->_tabla->sql().'.',$campos);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return $this->_tabla->sql().'.'.$campos;

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    }

            


            
                                                        
            
                                    
            
            

                
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}