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Check to see if attribute_value already exists

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This commit is contained in:
objecttothis
2019-01-28 18:16:17 +04:00
parent 74417024b4
commit e080873ec3
1 changed files with 38 additions and 7 deletions
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45
application/models/Attribute.php
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@@ -56,6 +56,17 @@ class Attribute extends CI_Model
return ($this->db->get()->num_rows() > 0);
}
/*
Determines if a given attribute_value exists in the attribute_values table
*/
public function value_exists($attribute_value)
{
$this->db->from('attribute_values');
$this->db->where('attribute_value', $attribute_value);
return ($this->db->get()->num_rows() > 0);
}
/*
Gets information about a particular attribute definition
*/
@@ -111,6 +122,18 @@ class Attribute extends CI_Model
return $this->db->get();
}
/*
Given the attribute_value returns the associated attribute_id
*/
private function get_id_by_value($attribute_value)
{
$this->db->distinct('attribute_id');
$this->db->from('attribute_values');
$this->db->where('attribute_value',$attribute_value);
return $this->db->get()->row()->attribute_id;
}
public function get_attributes_by_item($item_id)
{
$this->db->from('attribute_definitions');
@@ -394,19 +417,27 @@ class Attribute extends CI_Model
public function save_value($attribute_value, $definition_id, $item_id = FALSE, $attribute_id = FALSE, $definition_type = DROPDOWN)
{
$this->db->trans_start();
if(empty($attribute_id) || empty($item_id))
{
if($definition_type != DATETIME)
{
$this->db->insert('attribute_values', array('attribute_value' => $attribute_value));
if($this->value_exists($attribute_value))
{
$attribute_id = $this->get_id_by_value($attribute_value);
}
else
{
$this->db->insert('attribute_values', array('attribute_value' => $attribute_value));
$attribute_id = $this->db->insert_id();
}
}
else
{
$this->db->insert('attribute_values', array('attribute_datetime' => date('Y-m-d H:i:s', strtotime($attribute_value))));
$attribute_id = $this->db->insert_id();
}
$attribute_id = $this->db->insert_id();
$this->db->insert('attribute_links', array(
'attribute_id' => empty($attribute_id) ? NULL : $attribute_id,
'item_id' => empty($item_id) ? NULL : $item_id,
@@ -417,12 +448,12 @@ class Attribute extends CI_Model
$this->db->where('attribute_id', $attribute_id);
$this->db->update('attribute_values', array('attribute_value' => $attribute_value));
}
$this->db->trans_complete();
return $attribute_id;
}
public function delete_value($attribute_value, $definition_id)
{
return $this->db->query("DELETE atrv, atrl FROM " . $this->db->dbprefix('attribute_values') . " atrv, " . $this->db->dbprefix('attribute_links') . " atrl " .