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Refactor and fix the plugin AdminerEditForeign

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Thanks to Amunak (https://github.com/adminerevo/adminerevo/pull/86).
This commit is contained in:
Peter Knut
2024-08-25 23:43:21 +02:00
parent 2ce88d9bdc
commit 9b8d14c3ee
1 changed files with 64 additions and 32 deletions
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96
plugins/edit-foreign.php
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@@ -1,43 +1,75 @@
<?php
/** Select foreign key in edit form
* @link https://www.adminer.org/plugins/#use
* @author Jakub Vrana, https://www.vrana.cz/
* @license https://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
* @license https://www.gnu.org/licenses/gpl-2.0.html GNU General Public License, version 2 (one or other)
*/
class AdminerEditForeign {
var $_limit;
function __construct($limit = 0) {
$this->_limit = $limit;
* @link https://www.adminer.org/plugins/#use
* @author Jakub Vrana, https://www.vrana.cz/
* @license https://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
* @license https://www.gnu.org/licenses/gpl-2.0.html GNU General Public License, version 2 (one or other)
*/
class AdminerEditForeign
{
private $limit;
private $foreignTables = [];
private $foreignOptions = [];
/**
* @param int $limit
*/
function __construct($limit = 0)
{
$this->limit = $limit;
}
function editInput($table, $field, $attrs, $value) {
static $foreignTables = array();
static $values = array();
$foreignKeys = &$foreignTables[$table];
if ($foreignKeys === null) {
$foreignKeys = column_foreign_keys($table);
/**
* @param string $table
* @param array $field
* @param string $attrs
* @param string|null $value
*
* @return string
*/
function editInput($table, array $field, $attrs, $value)
{
if (!isset($this->foreignTables[$table])) {
$this->foreignTables[$table] = column_foreign_keys($table);
}
foreach ((array) $foreignKeys[$field["field"]] as $foreignKey) {
if (count($foreignKey["source"]) == 1) {
$target = $foreignKey["table"];
$id = $foreignKey["target"][0];
$options = &$values[$target][$id];
if (!$options) {
$column = idf_escape($id);
if (preg_match('~binary~', $field["type"])) {
$column = "HEX($column)";
}
$options = array("" => "") + get_vals("SELECT $column FROM " . table($target) . " ORDER BY 1" . ($this->_limit ? " LIMIT " . ($this->_limit + 1) : ""));
if ($this->_limit && count($options) - 1 > $this->_limit) {
return;
}
$foreignKeys = $this->foreignTables[$table];
if (empty($foreignKeys[$field["field"]])) {
return "";
}
foreach ($foreignKeys[$field["field"]] as $foreignKey) {
if (count($foreignKey["source"]) != 1) {
continue;
}
$target = $foreignKey["table"];
$id = $foreignKey["target"][0];
if (!isset($this->foreignOptions[$target][$id])) {
$column = idf_escape($id);
if (preg_match('~binary~', $field["type"])) {
$column = "HEX($column)";
}
$values = get_vals("SELECT $column FROM " . table($target) . " ORDER BY 1" .
($this->limit ? " LIMIT " . ($this->limit + 1) : ""));
if ($this->limit && count($values) > $this->limit) {
$this->foreignOptions[$target][$id] = false;
} else {
$this->foreignOptions[$target][$id] = ["" => ""] + $values;
}
}
if ($options = $this->foreignOptions[$target][$id]) {
return "<select$attrs>" . optionlist($options, $value) . "</select>";
} else {
return "";
}
}
return "";
}
}