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<?php |
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/** |
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* @package Laztopaz\potato-ORM |
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* @author Temitope Olotin <[email protected]> |
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* @license <https://opensource.org/license/MIT> MIT |
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*/ |
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namespace Laztopaz\potatoORM; |
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use Laztopaz\potatoORM\DatabaseHandler; |
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use Laztopaz\potatoORM\InterfaceBaseClass; |
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use Laztopaz\potatoORM\NoRecordDeletionException; |
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use Laztopaz\potatoORM\NoRecordFoundException; |
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use Laztopaz\potatoORM\NoRecordInsertionException; |
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use Laztopaz\potatoORM\NullArgumentPassedToFunction; |
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use Laztopaz\potatoORM\WrongArgumentException; |
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use Laztopaz\potatoORM\NoArgumentPassedToFunctionException; |
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use Laztopaz\potatoORM\EmptyArrayException; |
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class BaseModel implements InterfaceBaseClass |
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{ |
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protected $databaseModel; // Private variable that contains instance of database |
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protected $tableName; // Class variable holding class name pluralized |
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protected $properties = []; // Properties will later contain key, value pairs from the magic setter, getter methods |
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use Inflector; // Inject the inflector trait |
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public function __construct() |
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{ |
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$this->tableName = $this->getClassName(); |
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$this->databaseModel = new DatabaseHandler($this->tableName); |
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$this->properties['id'] = 0; |
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} |
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/** |
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* The magic getter method |
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* @params key |
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* @return array key |
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*/ |
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public function __get($key) |
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{ |
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$this->properties[$key]; |
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} |
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/** |
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* The magic setter method |
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* @params property, key |
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* @return array associative array properties |
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*/ |
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public function __set($property, $value) |
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{ |
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$this->properties[$property] = $value; |
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} |
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/** |
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* This method gets all the record from a particular table |
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* @params void |
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* @return associative array |
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* @throws NoRecordFoundException |
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*/ |
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public static function getAll() |
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{ |
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$allData = DatabaseHandler::read($id = false, self::getClassName()); |
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if (count($allData) > 0) { |
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return $allData; |
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} |
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throw NoRecordFoundException::checkNoRecordFoundException("There is no record to display"); |
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} |
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/** |
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* This method create or update record in a database table |
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* @params void |
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* @return bool true or false; |
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* @throws EmptyArrayException |
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* @throws NoRecordInsertionException |
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* @throws NoRecordUpdateException |
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*/ |
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public function save() |
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{ |
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$boolCommit = false; |
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if ($this->properties['id']) { |
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$allData = DatabaseHandler::read($id = $this->properties['id'], self::getClassName()); |
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if ($this->checkIfRecordIsEmpty($allData)) { |
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$boolCommit = $this->databaseModel->update(['id' => $this->properties['id']], $this->tableName, $this->properties); |
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if ($boolCommit) { |
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return true; |
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} |
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throw NoRecordUpdateException::checkNoRecordUpdateException("Record not updated successfully"); |
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} |
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throw EmptyArrayException::checkEmptyArrayException("Value passed didn't match any record"); |
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} |
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$boolCommit = $this->databaseModel->create($this->properties, $this->tableName); |
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if ($boolCommit) { |
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return true; |
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} |
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throw NoRecordInsertionException::checkNoRecordAddedException("Record not created successfully"); |
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} |
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/** |
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* This method find a record by id |
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* @params int id |
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* @return Object |
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* @throws NoArgumentPassedToFunctionException |
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*/ |
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public static function find($id) |
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{ |
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$num_args = (int) func_num_args(); // get number of arguments passed to |
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if ($num_args == 0 || $num_args > 1) { |
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throw NoArgumentPassedToFunctionException::checkNoArgumentPassedToFunction("Argument missing: only one argument is allowed"); |
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} |
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if ($id == "") { |
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throw NullArgumentPassedToFunction::checkNullArgumentPassedToFunction("This function expect a value"); |
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} |
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$staticFindInstance = new static(); |
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$staticFindInstance->id = $id == "" ? false : $id; |
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return $staticFindInstance; |
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} |
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/** |
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* This method delete a row from the table by the row id |
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* @params int id |
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* @return boolean true or false |
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* @throws NoRecordDeletionException; |
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*/ |
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public static function destroy($id) |
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{ |
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$boolDeleted = false; |
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$num_args = (int) func_num_args(); // get number of arguments passed to |
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if ($num_args == 0 || $num_args > 1) { |
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throw NoArgumentPassedToFunctionException::checkNoArgumentPassedToFunction("Argument missing: only one argument is allowed"); |
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} |
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$boolDeleted = DatabaseHandler::delete($id, self::getClassName()); |
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if ($boolDeleted) { |
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return true; |
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} |
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throw NoRecordDeletionException::checkNoRecordUpdateException("Record deletion unsuccessful because id does not match any record"); |
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} |
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/** |
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* This method return the current class name |
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* $params void |
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* @return classname |
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*/ |
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public static function getClassName() |
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{ |
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$tableName = preg_split('/(?=[A-Z])/', get_called_class()); |
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$className = end($tableName); |
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return self::pluralize(strtolower($className)); |
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} |
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/** |
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* This method check if the argument passed to this function is an array |
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* @param $arrayOfRecord |
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* @return bool |
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*/ |
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public function checkIfRecordIsEmpty($arrayOfRecord) |
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{ |
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if (count($arrayOfRecord) > 0) { |
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return true; |
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} |
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return false; |
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} |
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} |
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