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<?php
namespace Bake\View\Helper;
use Bake\Utility\Model\AssociationFilter;
use Cake\Core\Configure;
use Cake\Core\ConventionsTrait;
use Cake\Utility\Inflector;
use Cake\View\Helper;
/**
* Bake helper
*/
class BakeHelper extends Helper
{
use ConventionsTrait;
/**
* Default configuration.
*
* @var array
*/
protected $_defaultConfig = [];
/**
* AssociationFilter utility
*
* @var \Bake\Utility\Model\AssociationFilter|null
*/
protected $_associationFilter = null;
/**
* Used for generating formatted properties such as component and helper arrays
*
* @param string $name the name of the property
* @param array $value the array of values
* @param array $options extra options to be passed to the element
* @return string
*/
public function arrayProperty($name, array $value = [], array $options = [])
{
if (!$value) {
return '';
}
foreach ($value as &$val) {
$val = Inflector::camelize($val);
}
$options += [
'name' => $name,
'value' => $value
];
return $this->_View->element('array_property', $options);
}
/**
* Returns an array converted into a formatted multiline string
*
* @param array $list array of items to be stringified
* @param array $options options to use
* @return string
*/
public function stringifyList(array $list, array $options = [])
{
$options += [
'indent' => 2,
'tab' => ' ',
'trailingComma' => false,
'quotes' => true
];
if (!$list) {
return '';
}
foreach ($list as $k => &$v) {
if ($options['quotes']) {
$v = "'$v'";
}
if (!is_numeric($k)) {
$nestedOptions = $options;
if ($nestedOptions['indent']) {
$nestedOptions['indent'] += 1;
}
if (is_array($v)) {
$v = sprintf(
"'%s' => [%s]",
$k,
$this->stringifyList($v, $nestedOptions)
);
} else {
$v = "'$k' => $v";
}
} elseif (is_array($v)) {
$nestedOptions = $options;
if ($nestedOptions['indent']) {
$nestedOptions['indent'] += 1;
}
$v = sprintf(
"[%s]",
$this->stringifyList($v, $nestedOptions)
);
}
}
$start = $end = '';
$join = ', ';
if ($options['indent']) {
$join = ',';
$start = "\n" . str_repeat($options['tab'], $options['indent']);
$join .= $start;
$end = "\n" . str_repeat($options['tab'], $options['indent'] - 1);
}
if ($options['trailingComma']) {
$end = "," . $end;
}
return $start . implode($join, $list) . $end;
}
/**
* Extract the aliases for associations, filters hasMany associations already extracted as
* belongsToMany
*
* @param \Cake\ORM\Table $table object to find associations on
* @param string $assoc association to extract
* @return array
*/
public function aliasExtractor($table, $assoc)
{
$extractor = function ($val) {
return $val->getTarget()->getAlias();
};
$aliases = array_map($extractor, $table->associations()->getByType($assoc));
if ($assoc === 'HasMany') {
return $this->_filterHasManyAssociationsAliases($table, $aliases);
}
return $aliases;
}
/**
* Returns details about the given class.
*
* The returned array holds the following keys:
*
* - `fqn` (the fully qualified name)
* - `namespace` (the full namespace without leading separator)
* - `class` (the class name)
* - `plugin` (either the name of the plugin, or `null`)
* - `name` (the name of the component without suffix)
* - `fullName` (the full name of the class, including possible vendor and plugin name)
*
* @param string $class Class name
* @param string $type Class type/sub-namespace
* @param string $suffix Class name suffix
* @return array Class info
*/
public function classInfo($class, $type, $suffix)
{
list($plugin, $name) = \pluginSplit($class);
$base = Configure::read('App.namespace');
if ($plugin !== null) {
$base = $plugin;
}
$base = str_replace('/', '\\', trim($base, '\\'));
$sub = '\\' . str_replace('/', '\\', trim($type, '\\'));
$qn = $sub . '\\' . $name . $suffix;
if (class_exists('\Cake' . $qn)) {
$base = 'Cake';
}
return [
'fqn' => '\\' . $base . $qn,
'namespace' => $base . $sub,
'plugin' => $plugin,
'class' => $name . $suffix,
'name' => $name,
'fullName' => $class
];
}
/**
* Return list of fields to generate controls for.
*
* @param array $fields Fields list.
* @param \Cake\Datasource\SchemaInterface $schema Schema instance.
* @param \Cake\ORM\Table|null $modelObject Model object.
* @param array $takeFields Take fields.
* @param array $filterTypes Filter field types.
* @return array
*/
public function filterFields($fields, $schema, $modelObject = null, $takeFields = [], $filterTypes = ['binary'])
{
$fields = collection($fields)
->filter(function ($field) use ($schema, $filterTypes) {
return !in_array($schema->getColumnType($field), $filterTypes);
});
if (isset($modelObject) && $modelObject->hasBehavior('Tree')) {
$fields = $fields->reject(function ($field) {
return $field === 'lft' || $field === 'rght';
});
}
if (!empty($takeFields)) {
$fields = $fields->take($takeFields);
}
return $fields->toArray();
}
/**
* Get fields data for view template.
*
* @param array $fields Fields list.
* @param \Cake\Datasource\SchemaInterface $schema Schema instance.
* @param array $associations Associations data.
* @return array
*/
public function getViewFieldsData($fields, $schema, $associations)
{
$immediateAssociations = $associations['BelongsTo'];
$associationFields = collection($fields)
->map(function ($field) use ($immediateAssociations) {
foreach ($immediateAssociations as $alias => $details) {
if ($field === $details['foreignKey']) {
return [$field => $details];
}
}
})
->filter()
->reduce(function ($fields, $value) {
return $fields + $value;
}, []);
$groupedFields = collection($fields)
->filter(function ($field) use ($schema) {
return $schema->getColumnType($field) !== 'binary';
})
->groupBy(function ($field) use ($schema, $associationFields) {
$type = $schema->getColumnType($field);
if (isset($associationFields[$field])) {
return 'string';
}
if (in_array($type, [
'decimal',
'biginteger',
'integer',
'float',
'smallinteger',
'tinyinteger',
])) {
return 'number';
}
if (in_array($type, ['date', 'time', 'datetime', 'timestamp'])) {
return 'date';
}
return in_array($type, ['text', 'boolean']) ? $type : 'string';
})
->toArray();
$groupedFields += [
'number' => [],
'string' => [],
'boolean' => [],
'date' => [],
'text' => [],
];
return compact('associationFields', 'groupedFields');
}
/**
* Get column data from schema.
*
* @param string $field Field name.
* @param \Cake\Database\Schema\TableSchema $schema Schema.
* @return array
*/
public function columnData($field, $schema)
{
return $schema->getColumn($field);
}
/**
* Get alias of associated table.
*
* @param \Cake\ORM\Table $modelObj Model object.
* @param string $assoc Association name.
* @return string
*/
public function getAssociatedTableAlias($modelObj, $assoc)
{
$association = $modelObj->getAssociation($assoc);
return $association->getTarget()->getAlias();
}
/**
* Get validation methods data.
*
* @param string $field Field name.
* @param array $rules Validation rules list.
* @return array
*/
public function getValidationMethods($field, $rules)
{
$validationMethods = [];
foreach ($rules as $ruleName => $rule) {
if ($rule['rule'] && !isset($rule['provider']) && !isset($rule['args'])) {
$validationMethods[] = sprintf("->%s('%s')", $rule['rule'], $field);
} elseif ($rule['rule'] && !isset($rule['provider'])) {
$formatTemplate = "->%s('%s')";
if (!empty($rule['args'])) {
$formatTemplate = "->%s('%s', %s)";
}
$validationMethods[] = sprintf(
$formatTemplate,
$rule['rule'],
$field,
$this->stringifyList(
$rule['args'],
['indent' => false, 'quotes' => false]
)
);
} elseif ($rule['rule'] && isset($rule['provider'])) {
$validationMethods[] = sprintf(
"->add('%s', '%s', ['rule' => '%s', 'provider' => '%s'])",
$field,
$ruleName,
$rule['rule'],
$rule['provider']
);
}
if (isset($rule['allowEmpty'])) {
if (is_string($rule['allowEmpty'])) {
$validationMethods[] = sprintf(
"->allowEmpty('%s', '%s')",
$field,
$rule['allowEmpty']
);
} elseif ($rule['allowEmpty']) {
$validationMethods[] = sprintf(
"->allowEmpty('%s')",
$field
);
} else {
$validationMethods[] = sprintf(
"->requirePresence('%s', 'create')",
$field
);
$validationMethods[] = sprintf(
"->notEmpty('%s')",
$field
);
}
}
}
return $validationMethods;
}
/**
* Get field accessibility data.
*
* @param mixed $fields Fields list.
* @param mixed $primaryKey Primary key.
* @return array
*/
public function getFieldAccessibility($fields = null, $primaryKey = null)
{
$accessible = [];
if (!isset($fields) || $fields !== false) {
if (!empty($fields)) {
foreach ($fields as $field) {
$accessible[$field] = 'true';
}
} elseif (!empty($primaryKey)) {
$accessible['*'] = 'true';
foreach ($primaryKey as $field) {
$accessible[$field] = 'false';
}
}
}
return $accessible;
}
/**
* Wrap string arguments with quotes
*
* @param array $args array of arguments
* @return array
*/
public function escapeArguments($args)
{
return array_map(function ($v) {
if (is_string($v)) {
$v = strtr($v, ["'" => "\'"]);
$v = "'$v'";
}
return $v;
}, $args);
}
/**
* To be mocked elsewhere...
*
* @param \Cake\ORM\Table $table Table
* @param array $aliases array of aliases
* @return array
*/
protected function _filterHasManyAssociationsAliases($table, $aliases)
{
if (is_null($this->_associationFilter)) {
$this->_associationFilter = new AssociationFilter();
}
return $this->_associationFilter->filterHasManyAssociationsAliases($table, $aliases);
}
}