model generator WIP

framework/yii/gii/assets/gii.js

@@ -14,7 +14,7 @@ yii.gii = (function ($) {
 	};
 
 	var initStickyInputs = function () {
-		$('.sticky:not(.error) input,select,textarea').each(function () {
+		$('.sticky:not(.error) input[type="text"],select,textarea').each(function () {
 			var value;
 			if (this.tagName === 'SELECT') {
 				value = this.options[this.selectedIndex].text;

framework/yii/gii/generators/model/Generator.php

@@ -7,6 +7,8 @@
 
 namespace yii\gii\generators\model;
 
+use Yii;
+
 /**
  *
  * @author Qiang Xue <qiang.xue@gmail.com>
@@ -14,6 +16,19 @@ namespace yii\gii\generators\model;
  */
 class Generator extends \yii\gii\Generator
 {
+	public $db = 'db';
+	public $tableName;
+	public $modelClass;
+	public $baseClass = '\yii\db\ActiveRecord';
+	public $buildRelations = true;
+	public $commentsAsLabels = false;
+
+	/**
+	 * @var array list of candidate relation code. The array are indexed by AR class names and relation names.
+	 * Each element represents the code of the one relation in one AR class.
+	 */
+	protected $relations;
+
 	public function getName()
 	{
 		return 'Model Generator';
@@ -24,11 +39,431 @@ class Generator extends \yii\gii\Generator
 		return 'This generator generates a model class for the specified database table.';
 	}
 
+	public function rules()
+	{
+		return array_merge(parent::rules(), array(
+			array('tablePrefix, baseClass, tableName, modelClass, modelPath, connectionId', 'filter', 'filter' => 'trim'),
+			array('connectionId, tableName, modelPath, baseClass', 'required'),
+			array('tablePrefix, tableName, modelPath', 'match', 'pattern' => '/^(\w+[\w\.]*|\*?|\w+\.\*)$/', 'message' => '{attribute} should only contain word characters, dots, and an optional ending asterisk.'),
+			array('connectionId', 'validateConnectionId'),
+			array('tableName', 'validateTableName'),
+			array('tablePrefix, modelClass', 'match', 'pattern' => '/^[a-zA-Z_]\w*$/', 'message' => '{attribute} should only contain word characters.'),
+			array('baseClass', 'match', 'pattern' => '/^[a-zA-Z_][\w\\\\]*$/', 'message' => '{attribute} should only contain word characters and backslashes.'),
+			array('modelPath', 'validateModelPath'),
+			array('baseClass, modelClass', 'validateReservedWord'),
+			array('baseClass', 'validateBaseClass'),
+		));
+	}
+
+	public function attributeLabels()
+	{
+		return array_merge(parent::attributeLabels(), array(
+			'tablePrefix' => 'Table Prefix',
+			'tableName' => 'Table Name',
+			'modelPath' => 'Model Path',
+			'modelClass' => 'Model Class',
+			'baseClass' => 'Base Class',
+			'buildRelations' => 'Build Relations',
+			'commentsAsLabels' => 'Use Column Comments as Attribute Labels',
+			'connectionId' => 'Database Connection',
+		));
+	}
+
+	public function requiredTemplates()
+	{
+		return array(
+			'model.php',
+		);
+	}
+
+	public function stickyAttributes()
+	{
+		return array('connectionId', 'tablePrefix', 'modelPath', 'baseClass', 'buildRelations', 'commentsAsLabels');
+	}
+
+	public function generate()
+	{
+		if (Yii::$app->{$this->connectionId} === null) {
+			throw new CHttpException(500, 'A valid database connection is required to run this generator.');
+		}
+		$this->tablePrefix = Yii::$app->{$this->connectionId}->tablePrefix;
+
+		if (($pos = strrpos($this->tableName, '.')) !== false) {
+			$schema = substr($this->tableName, 0, $pos);
+			$tableName = substr($this->tableName, $pos + 1);
+		} else {
+			$schema = '';
+			$tableName = $this->tableName;
+		}
+		if ($tableName[strlen($tableName) - 1] === '*') {
+			$tables = Yii::$app->{$this->connectionId}->schema->getTables($schema);
+			if ($this->tablePrefix != '') {
+				foreach ($tables as $i => $table) {
+					if (strpos($table->name, $this->tablePrefix) !== 0) {
+						unset($tables[$i]);
+					}
+				}
+			}
+		} else {
+			$tables = array($this->getTableSchema($this->tableName));
+		}
+
+		$this->files = array();
+		$templatePath = $this->templatePath;
+		$this->relations = $this->generateRelations();
+
+		foreach ($tables as $table) {
+			$tableName = $this->removePrefix($table->name);
+			$className = $this->generateClassName($table->name);
+			$params = array(
+				'tableName' => $schema === '' ? $tableName : $schema . '.' . $tableName,
+				'modelClass' => $className,
+				'columns' => $table->columns,
+				'labels' => $this->generateLabels($table),
+				'rules' => $this->generateRules($table),
+				'relations' => isset($this->relations[$className]) ? $this->relations[$className] : array(),
+				'connectionId' => $this->connectionId,
+			);
+			$this->files[] = new CCodeFile(
+				Yii::getPathOfAlias($this->modelPath) . '/' . $className . '.php',
+				$this->render($templatePath . '/model.php', $params)
+			);
+		}
+	}
+
+	public function validateTableName($attribute, $params)
+	{
+		if ($this->hasErrors()) {
+			return;
+		}
+
+		$invalidTables = array();
+		$invalidColumns = array();
+
+		if ($this->tableName[strlen($this->tableName) - 1] === '*') {
+			if (($pos = strrpos($this->tableName, '.')) !== false) {
+				$schema = substr($this->tableName, 0, $pos);
+			} else {
+				$schema = '';
+			}
+
+			$this->modelClass = '';
+			$tables = Yii::$app->{$this->connectionId}->schema->getTables($schema);
+			foreach ($tables as $table) {
+				if ($this->tablePrefix == '' || strpos($table->name, $this->tablePrefix) === 0) {
+					if (in_array(strtolower($table->name), self::$keywords)) {
+						$invalidTables[] = $table->name;
+					}
+					if (($invalidColumn = $this->checkColumns($table)) !== null) {
+						$invalidColumns[] = $invalidColumn;
+					}
+				}
+			}
+		} else {
+			if (($table = $this->getTableSchema($this->tableName)) === null) {
+				$this->addError('tableName', "Table '{$this->tableName}' does not exist.");
+			}
+			if ($this->modelClass === '') {
+				$this->addError('modelClass', 'Model Class cannot be blank.');
+			}
+
+			if (!$this->hasErrors($attribute) && ($invalidColumn = $this->checkColumns($table)) !== null) {
+				$invalidColumns[] = $invalidColumn;
+			}
+		}
+
+		if ($invalidTables != array()) {
+			$this->addError('tableName', 'Model class cannot take a reserved PHP keyword! Table name: ' . implode(', ', $invalidTables) . ".");
+		}
+		if ($invalidColumns != array()) {
+			$this->addError('tableName', 'Column names that does not follow PHP variable naming convention: ' . implode(', ', $invalidColumns) . ".");
+		}
+	}
+
+	/*
+	 * Check that all database field names conform to PHP variable naming rules
+	 * For example mysql allows field name like "2011aa", but PHP does not allow variable like "$model->2011aa"
+	 * @param CDbTableSchema $table the table schema object
+	 * @return string the invalid table column name. Null if no error.
+	 */
+	public function checkColumns($table)
+	{
+		foreach ($table->columns as $column) {
+			if (!preg_match('/^[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*$/', $column->name)) {
+				return $table->name . '.' . $column->name;
+			}
+		}
+	}
+
+	public function validateModelPath($attribute, $params)
+	{
+		if (Yii::getPathOfAlias($this->modelPath) === false) {
+			$this->addError('modelPath', 'Model Path must be a valid path alias.');
+		}
+	}
+
+	public function validateBaseClass($attribute, $params)
+	{
+		$class = @Yii::import($this->baseClass, true);
+		if (!is_string($class) || !$this->classExists($class)) {
+			$this->addError('baseClass', "Class '{$this->baseClass}' does not exist or has syntax error.");
+		} elseif ($class !== 'CActiveRecord' && !is_subclass_of($class, 'CActiveRecord')) {
+			$this->addError('baseClass', "'{$this->model}' must extend from CActiveRecord.");
+		}
+	}
+
+	public function getTableSchema($tableName)
+	{
+		$connection = Yii::$app->{$this->connectionId};
+		return $connection->getSchema()->getTable($tableName, $connection->schemaCachingDuration !== 0);
+	}
+
+	public function generateLabels($table)
+	{
+		$labels = array();
+		foreach ($table->columns as $column) {
+			if ($this->commentsAsLabels && $column->comment) {
+				$labels[$column->name] = $column->comment;
+			} else {
+				$label = ucwords(trim(strtolower(str_replace(array('-', '_'), ' ', preg_replace('/(?<![A-Z])[A-Z]/', ' \0', $column->name)))));
+				$label = preg_replace('/\s+/', ' ', $label);
+				if (strcasecmp(substr($label, -3), ' id') === 0) {
+					$label = substr($label, 0, -3);
+				}
+				if ($label === 'Id') {
+					$label = 'ID';
+				}
+				$label = str_replace("'", "\\'", $label);
+				$labels[$column->name] = $label;
+			}
+		}
+		return $labels;
+	}
+
+	public function generateRules($table)
+	{
+		$rules = array();
+		$required = array();
+		$integers = array();
+		$numerical = array();
+		$length = array();
+		$safe = array();
+		foreach ($table->columns as $column) {
+			if ($column->autoIncrement) {
+				continue;
+			}
+			$r = !$column->allowNull && $column->defaultValue === null;
+			if ($r) {
+				$required[] = $column->name;
+			}
+			if ($column->type === 'integer') {
+				$integers[] = $column->name;
+			} elseif ($column->type === 'double') {
+				$numerical[] = $column->name;
+			} elseif ($column->type === 'string' && $column->size > 0) {
+				$length[$column->size][] = $column->name;
+			} elseif (!$column->isPrimaryKey && !$r) {
+				$safe[] = $column->name;
+			}
+		}
+		if ($required !== array()) {
+			$rules[] = "array('" . implode(', ', $required) . "', 'required')";
+		}
+		if ($integers !== array()) {
+			$rules[] = "array('" . implode(', ', $integers) . "', 'numerical', 'integerOnly'=>true)";
+		}
+		if ($numerical !== array()) {
+			$rules[] = "array('" . implode(', ', $numerical) . "', 'numerical')";
+		}
+		if ($length !== array()) {
+			foreach ($length as $len => $cols) {
+				$rules[] = "array('" . implode(', ', $cols) . "', 'length', 'max'=>$len)";
+			}
+		}
+		if ($safe !== array()) {
+			$rules[] = "array('" . implode(', ', $safe) . "', 'safe')";
+		}
+
+		return $rules;
+	}
+
+	public function getRelations($className)
+	{
+		return isset($this->relations[$className]) ? $this->relations[$className] : array();
+	}
+
+	protected function removePrefix($tableName, $addBrackets = true)
+	{
+		if ($addBrackets && Yii::$app->{$this->connectionId}->tablePrefix == '') {
+			return $tableName;
+		}
+		$prefix = $this->tablePrefix != '' ? $this->tablePrefix : Yii::$app->{$this->connectionId}->tablePrefix;
+		if ($prefix != '') {
+			if ($addBrackets && Yii::$app->{$this->connectionId}->tablePrefix != '') {
+				$prefix = Yii::$app->{$this->connectionId}->tablePrefix;
+				$lb = '{{';
+				$rb = '}}';
+			} else {
+				$lb = $rb = '';
+			}
+			if (($pos = strrpos($tableName, '.')) !== false) {
+				$schema = substr($tableName, 0, $pos);
+				$name = substr($tableName, $pos + 1);
+				if (strpos($name, $prefix) === 0) {
+					return $schema . '.' . $lb . substr($name, strlen($prefix)) . $rb;
+				}
+			} elseif (strpos($tableName, $prefix) === 0) {
+				return $lb . substr($tableName, strlen($prefix)) . $rb;
+			}
+		}
+		return $tableName;
+	}
+
+	protected function generateRelations()
+	{
+		if (!$this->buildRelations) {
+			return array();
+		}
+
+		$schemaName = '';
+		if (($pos = strpos($this->tableName, '.')) !== false) {
+			$schemaName = substr($this->tableName, 0, $pos);
+		}
+
+		$relations = array();
+		foreach (Yii::$app->{$this->connectionId}->schema->getTables($schemaName) as $table) {
+			if ($this->tablePrefix != '' && strpos($table->name, $this->tablePrefix) !== 0) {
+				continue;
+			}
+			$tableName = $table->name;
+
+			if ($this->isRelationTable($table)) {
+				$pks = $table->primaryKey;
+				$fks = $table->foreignKeys;
+
+				$table0 = $fks[$pks[0]][0];
+				$table1 = $fks[$pks[1]][0];
+				$className0 = $this->generateClassName($table0);
+				$className1 = $this->generateClassName($table1);
+
+				$unprefixedTableName = $this->removePrefix($tableName);
+
+				$relationName = $this->generateRelationName($table0, $table1, true);
+				$relations[$className0][$relationName] = "array(self::MANY_MANY, '$className1', '$unprefixedTableName($pks[0], $pks[1])')";
+
+				$relationName = $this->generateRelationName($table1, $table0, true);
+
+				$i = 1;
+				$rawName = $relationName;
+				while (isset($relations[$className1][$relationName])) {
+					$relationName = $rawName . $i++;
+				}
+
+				$relations[$className1][$relationName] = "array(self::MANY_MANY, '$className0', '$unprefixedTableName($pks[1], $pks[0])')";
+			} else {
+				$className = $this->generateClassName($tableName);
+				foreach ($table->foreignKeys as $fkName => $fkEntry) {
+					// Put table and key name in variables for easier reading
+					$refTable = $fkEntry[0]; // Table name that current fk references to
+					$refKey = $fkEntry[1]; // Key in that table being referenced
+					$refClassName = $this->generateClassName($refTable);
+
+					// Add relation for this table
+					$relationName = $this->generateRelationName($tableName, $fkName, false);
+					$relations[$className][$relationName] = "array(self::BELONGS_TO, '$refClassName', '$fkName')";
+
+					// Add relation for the referenced table
+					$relationType = $table->primaryKey === $fkName ? 'HAS_ONE' : 'HAS_MANY';
+					$relationName = $this->generateRelationName($refTable, $this->removePrefix($tableName, false), $relationType === 'HAS_MANY');
+					$i = 1;
+					$rawName = $relationName;
+					while (isset($relations[$refClassName][$relationName])) {
+						$relationName = $rawName . ($i++);
+					}
+					$relations[$refClassName][$relationName] = "array(self::$relationType, '$className', '$fkName')";
+				}
+			}
+		}
+		return $relations;
+	}
+
 	/**
-	 * @inheritdoc
+	 * Checks if the given table is a "many to many" pivot table.
+	 * Their PK has 2 fields, and both of those fields are also FK to other separate tables.
+	 * @param CDbTableSchema table to inspect
+	 * @return boolean true if table matches description of helpter table.
 	 */
-	public function generate()
+	protected function isRelationTable($table)
+	{
+		$pk = $table->primaryKey;
+		return (count($pk) === 2 // we want 2 columns
+			&& isset($table->foreignKeys[$pk[0]]) // pk column 1 is also a foreign key
+			&& isset($table->foreignKeys[$pk[1]]) // pk column 2 is also a foriegn key
+			&& $table->foreignKeys[$pk[0]][0] !== $table->foreignKeys[$pk[1]][0]); // and the foreign keys point different tables
+	}
+
+	protected function generateClassName($tableName)
+	{
+		if ($this->tableName === $tableName || ($pos = strrpos($this->tableName, '.')) !== false && substr($this->tableName, $pos + 1) === $tableName) {
+			return $this->modelClass;
+		}
+
+		$tableName = $this->removePrefix($tableName, false);
+		if (($pos = strpos($tableName, '.')) !== false) // remove schema part (e.g. remove 'public2.' from 'public2.post')
+		{
+			$tableName = substr($tableName, $pos + 1);
+		}
+		$className = '';
+		foreach (explode('_', $tableName) as $name) {
+			if ($name !== '') {
+				$className .= ucfirst($name);
+			}
+		}
+		return $className;
+	}
+
+	/**
+	 * Generate a name for use as a relation name (inside relations() function in a model).
+	 * @param string the name of the table to hold the relation
+	 * @param string the foreign key name
+	 * @param boolean whether the relation would contain multiple objects
+	 * @return string the relation name
+	 */
+	protected function generateRelationName($tableName, $fkName, $multiple)
+	{
+		if (strcasecmp(substr($fkName, -2), 'id') === 0 && strcasecmp($fkName, 'id')) {
+			$relationName = rtrim(substr($fkName, 0, -2), '_');
+		} else {
+			$relationName = $fkName;
+		}
+		$relationName[0] = strtolower($relationName);
+
+		if ($multiple) {
+			$relationName = $this->pluralize($relationName);
+		}
+
+		$names = preg_split('/_+/', $relationName, -1, PREG_SPLIT_NO_EMPTY);
+		if (empty($names)) {
+			return $relationName;
+		} // unlikely
+		for ($name = $names[0], $i = 1; $i < count($names); ++$i) {
+			$name .= ucfirst($names[$i]);
+		}
+
+		$rawName = $name;
+		$table = Yii::$app->{$this->connectionId}->schema->getTable($tableName);
+		$i = 0;
+		while (isset($table->columns[$name])) {
+			$name = $rawName . ($i++);
+		}
+
+		return $name;
+	}
+
+	public function validateConnectionId($attribute, $params)
 	{
-		return array();
+		if (Yii::$app->hasComponent($this->connectionId) === false || !(Yii::$app->getComponent($this->connectionId) instanceof CDbConnection)) {
+			$this->addError('connectionId', 'A valid database connection is required to run this generator.');
+		}
 	}
 }

framework/yii/gii/generators/model/templates/model.php

+<?php
+/**
+ * This is the template for generating the model class of a specified table.
+ * - $this: the ModelCode object
+ * - $tableName: the table name for this class (prefix is already removed if necessary)
+ * - $modelClass: the model class name
+ * - $columns: list of table columns (name=>CDbColumnSchema)
+ * - $labels: list of attribute labels (name=>label)
+ * - $rules: list of validation rules
+ * - $relations: list of relations (name=>relation declaration)
+ */
+?>
+<?php echo "<?php\n"; ?>
+
+/**
+ * This is the model class for table "<?php echo $tableName; ?>".
+ *
+ * The followings are the available columns in table '<?php echo $tableName; ?>':
+<?php foreach($columns as $column): ?>
+ * @property <?php echo $column->type.' $'.$column->name."\n"; ?>
+<?php endforeach; ?>
+<?php if(!empty($relations)): ?>
+ *
+ * The followings are the available model relations:
+<?php foreach($relations as $name=>$relation): ?>
+ * @property <?php
+	if (preg_match("~^array\(self::([^,]+), '([^']+)', '([^']+)'\)$~", $relation, $matches))
+    {
+        $relationType = $matches[1];
+        $relationModel = $matches[2];
+
+        switch($relationType){
+            case 'HAS_ONE':
+                echo $relationModel.' $'.$name."\n";
+            break;
+            case 'BELONGS_TO':
+                echo $relationModel.' $'.$name."\n";
+            break;
+            case 'HAS_MANY':
+                echo $relationModel.'[] $'.$name."\n";
+            break;
+            case 'MANY_MANY':
+                echo $relationModel.'[] $'.$name."\n";
+            break;
+            default:
+                echo 'mixed $'.$name."\n";
+        }
+	}
+    ?>
+<?php endforeach; ?>
+<?php endif; ?>
+ */
+class <?php echo $modelClass; ?> extends <?php echo $this->baseClass."\n"; ?>
+{
+	/**
+	 * @return string the associated database table name
+	 */
+	public function tableName()
+	{
+		return '<?php echo $tableName; ?>';
+	}
+
+	/**
+	 * @return array validation rules for model attributes.
+	 */
+	public function rules()
+	{
+		// NOTE: you should only define rules for those attributes that
+		// will receive user inputs.
+		return array(
+<?php foreach($rules as $rule): ?>
+			<?php echo $rule.",\n"; ?>
+<?php endforeach; ?>
+			// The following rule is used by search().
+			// @todo Please remove those attributes that should not be searched.
+			array('<?php echo implode(', ', array_keys($columns)); ?>', 'safe', 'on'=>'search'),
+		);
+	}
+
+	/**
+	 * @return array relational rules.
+	 */
+	public function relations()
+	{
+		// NOTE: you may need to adjust the relation name and the related
+		// class name for the relations automatically generated below.
+		return array(
+<?php foreach($relations as $name=>$relation): ?>
+			<?php echo "'$name' => $relation,\n"; ?>
+<?php endforeach; ?>
+		);
+	}
+
+	/**
+	 * @return array customized attribute labels (name=>label)
+	 */
+	public function attributeLabels()
+	{
+		return array(
+<?php foreach($labels as $name=>$label): ?>
+			<?php echo "'$name' => '$label',\n"; ?>
+<?php endforeach; ?>
+		);
+	}
+
+	/**
+	 * Retrieves a list of models based on the current search/filter conditions.
+	 *
+	 * Typical usecase:
+	 * - Initialize the model fields with values from filter form.
+	 * - Execute this method to get CActiveDataProvider instance which will filter
+	 * models according to data in model fields.
+	 * - Pass data provider to CGridView, CListView or any similar widget.
+	 *
+	 * @return CActiveDataProvider the data provider that can return the models
+	 * based on the search/filter conditions.
+	 */
+	public function search()
+	{
+		// @todo Please modify the following code to remove attributes that should not be searched.
+
+		$criteria=new CDbCriteria;
+
+<?php
+foreach($columns as $name=>$column)
+{
+	if($column->type==='string')
+	{
+		echo "\t\t\$criteria->compare('$name',\$this->$name,true);\n";
+	}
+	else
+	{
+		echo "\t\t\$criteria->compare('$name',\$this->$name);\n";
+	}
+}
+?>
+
+		return new CActiveDataProvider($this, array(
+			'criteria'=>$criteria,
+		));
+	}
+
+<?php if($connectionId!='db'):?>
+	/**
+	 * @return CDbConnection the database connection used for this class
+	 */
+	public function getDbConnection()
+	{
+		return Yii::app()-><?php echo $connectionId ?>;
+	}
+
+<?php endif?>
+	/**
+	 * Returns the static model of the specified AR class.
+	 * Please note that you should have this exact method in all your CActiveRecord descendants!
+	 * @param string $className active record class name.
+	 * @return <?php echo $modelClass; ?> the static model class
+	 */
+	public static function model($className=__CLASS__)
+	{
+		return parent::model($className);
+	}
+}

framework/yii/gii/generators/model/views/form.php

+<?php
+/**
+ * @var yii\base\View $this
+ * @var yii\widgets\ActiveForm $form
+ * @var yii\gii\generators\form\Generator $generator
+ */
+
+echo $form->field($generator, 'tableName');
+echo $form->field($generator, 'modelClass');
+echo $form->field($generator, 'baseClass');
+echo $form->field($generator, 'buildRelations')->checkbox();
+echo $form->field($generator, 'commentsAsLabels')->checkbox();