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<?php |
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namespace Elimuswift\DbExporter; |
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use Config; |
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use File; |
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use Illuminate\Support\Str; |
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use Elimuswift\DbExporter\Exceptions\InvalidDatabaseException; |
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class DbMigrations extends DbExporter |
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{ |
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protected $schema; |
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protected $customDb = false; |
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public static $filePath; |
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/** |
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* Set the database name |
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* @param String $database |
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* @throw InvalidDatabaseException |
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*/ |
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public function __construct($database) |
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{ |
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if (empty($database)) { |
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throw new InvalidDatabaseException('No database set in app/config/database.php'); |
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} |
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$this->database = $database; |
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} |
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/** |
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* Write the prepared migration to a file |
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*/ |
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public function write() |
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{ |
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// Check if convert method was called before |
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// If not, call it on default DB |
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if (!$this->customDb) { |
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$this->convert(); |
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} |
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$schema = $this->compile(); |
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$filename = date('Y_m_d_His') . "_create_" . $this->database . "_database.php"; |
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static::$filePath = Config::get('db-exporter.export_path.migrations') . "{$filename}"; |
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file_put_contents(static::$filePath, $schema); |
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return static::$filePath; |
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} |
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/** |
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* Convert the database to migrations |
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* If none is given, use de DB from condig/database.php |
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* @param null $database |
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* @return $this |
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*/ |
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public function convert($database = null) |
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{ |
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if (!is_null($database)) { |
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$this->database = $database; |
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$this->customDb = true; |
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} |
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$tables = $this->getTables(); |
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// Loop over the tables |
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foreach ($tables as $key => $value) { |
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// Do not export the ignored tables |
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if (in_array($value['table_name'], self::$ignore)) { |
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continue; |
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} |
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$down = "Schema::drop('{$value['table_name']}');"; |
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$up = "Schema::create('{$value['table_name']}', function(Blueprint $" . "table) {\n"; |
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$tableDescribes = $this->getTableDescribes($value['table_name']); |
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// Loop over the tables fields |
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foreach ($tableDescribes as $values) { |
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$para = strpos($values->Type, '('); |
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$type = $para > -1 ? substr($values->Type, 0, $para) : $values->Type; |
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$numbers = ""; |
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$nullable = $values->Null == "NO" ? "" : "->nullable()"; |
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$default = empty($values->Default) ? "" : "->default(\"{$values->Default}\")"; |
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$unsigned = strpos($values->Type, "unsigned") === false ? '': '->unsigned()'; |
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if (in_array($type, ['var', 'varchar', 'enum', 'decimal', 'float'])) { |
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$para = strpos($values->Type, '('); |
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$opt = ", " . substr($values->Type, $para + 1, -1); |
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$numbers = $type== 'enum' ? ', array(' . $opt . ')' : $opt; |
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} |
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$method = $this->columnType($type); |
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if ($values->Key == 'PRI') { |
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$method = 'increments'; |
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} |
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$up .= " $" . "table->{$method}('{$values->Field}'{$numbers}){$nullable}{$default}{$unsigned};\n"; |
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} |
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$tableIndexes = $this->getTableIndexes($value['table_name']); |
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if (!is_null($tableIndexes) && count($tableIndexes)){ |
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foreach ($tableIndexes as $index) { |
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if(Str::endsWith($index['Key_name'], '_index')) { |
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$up .= ' $' . "table->index('" . $index['Key_name'] . "');\n"; |
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} |
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} |
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} |
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$up .= " });\n\n"; |
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$Constraint = $ConstraintDown = ""; |
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/** |
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* @var array $tableConstraints |
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*/ |
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$tableConstraints = $this->getTableConstraints($value['table_name']); |
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if (!is_null($tableConstraints) && count($tableConstraints)) { |
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$Constraint = $ConstraintDown = " |
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Schema::table('{$value['table_name']}', function(Blueprint $" . "table) {\n"; |
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$tables = []; |
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foreach ($tableConstraints as $foreign) { |
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if (!in_array($foreign->Field, $tables)) { |
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$ConstraintDown .= ' $' . "table->dropForeign('" . $foreign->Field . "');\n"; |
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$Constraint .= ' $' . "table->foreign('" . $foreign->Field . "')->references('" . $foreign->References . "')->on('" . $foreign->ON . "')->onDelete('" . $foreign->onDelete . "');\n"; |
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$tables[$foreign->Field] = $foreign->Field; |
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} |
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} |
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$Constraint .= " });\n\n"; |
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$ConstraintDown .= " });\n\n"; |
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} |
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$this->schema[$value['table_name']] = array( |
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'up' => $up, |
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'constraint' => $Constraint, |
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'constraint_down' => $ConstraintDown, |
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'down' => $down |
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); |
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} |
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return $this; |
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} |
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public function columnType($type) |
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{ |
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$columns = ['int'=> 'integer','smallint' => 'smallInteger','bigint' => 'bigInteger','char '=>'string', 'varchar' => 'string','float' => 'float','double' => 'double','decimal' => 'decimal','tinyint' => 'boolean','date' => 'date','timestamp' => 'timestamp','datetime' => 'dateTime','longtext' => 'longText','mediumtext' => 'mediumText','text' => 'text','longblob' => 'binary' ,'blob' => 'binary','enum' => 'enum']; |
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return array_key_exists($type, $columns) ? $columns[$type] : ''; |
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} |
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/** |
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* Compile the migration into the base migration file |
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* TODO use a template with seacrh&replace |
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* @return string |
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*/ |
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protected function compile() |
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{ |
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$upSchema = ""; |
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$downSchema = ""; |
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$upConstraint = ""; |
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$downConstraint = ""; |
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// prevent of failure when no table |
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if (!is_null($this->schema) && count($this->schema)) { |
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foreach ($this->schema as $name => $values) { |
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// check again for ignored tables |
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if (in_array($name, self::$ignore)) { |
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continue; |
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} |
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$upSchema .= " |
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/** |
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* Table: {$name} |
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*/ |
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{$values['up']}"; |
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$upConstraint.=" |
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{$values['constraint']}"; |
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$downConstraint.=" |
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{$values['constraint_down']}"; |
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$downSchema .= " |
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{$values['down']}"; |
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} |
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} |
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// Grab the template |
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$template = File::get(__DIR__ . '/templates/migration.txt'); |
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// Replace the classname |
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$template = str_replace('{{name}}', "Create" . Str::camel(Str::title($this->database)) . "Database", $template); |
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// Replace the up and down values |
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$template = str_replace('{{up}}', $upSchema, $template); |
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$template = str_replace('{{down}}', $downSchema, $template); |
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$template = str_replace('{{upCon}}', $upConstraint, $template); |
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$template = str_replace('{{downCon}}', $downConstraint, $template); |
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return $template; |
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} |
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} |
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Elimuswift /
db-exporter
