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| 1 | <?php | 
| 2 | |
| 3 | /** | 
| 4 | * This program is free software; you can redistribute it and/or | 
| 5 | * modify it under the terms of the GNU General Public License | 
| 6 | * as published by the Free Software Foundation; under version 2 | 
| 7 | * of the License (non-upgradable). | 
| 8 | * | 
| 9 | * This program is distributed in the hope that it will be useful, | 
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | 
| 12 | * GNU General Public License for more details. | 
| 13 | * | 
| 14 | * You should have received a copy of the GNU General Public License | 
| 15 | * along with this program; if not, write to the Free Software | 
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | 
| 17 | * | 
| 18 | * Copyright (c) 2020 (original work) Open Assessment Technologies SA; | 
| 19 | * | 
| 20 | */ | 
| 21 | |
| 22 | namespace oat\tao\model\export\implementation\sql; | 
| 23 | |
| 24 | /** | 
| 25 | * Class SqlCreator | 
| 26 | * @package oat\tao\model\export\implementation\sql | 
| 27 | */ | 
| 28 | class SqlCreator | 
| 29 | { | 
| 30 | /** | 
| 31 | * @var ExportedTable | 
| 32 | */ | 
| 33 | private $table; | 
| 34 | |
| 35 | public function __construct(ExportedTable $table) | 
| 36 | { | 
| 37 | $this->table = $table; | 
| 38 | } | 
| 39 | |
| 40 | /** | 
| 41 | * @return string | 
| 42 | */ | 
| 43 | public function getExportSql(): string | 
| 44 | { | 
| 45 | $sqlCreateTable = $this->getCreateTableSql(); | 
| 46 | $sqlInsert = $this->getInsertSql(); | 
| 47 | |
| 48 | return $sqlCreateTable . PHP_EOL . PHP_EOL . $sqlInsert; | 
| 49 | } | 
| 50 | |
| 51 | /** | 
| 52 | * @return string | 
| 53 | */ | 
| 54 | private function getCreateTableSql(): string | 
| 55 | { | 
| 56 | $columnsCreatingStringArray = []; | 
| 57 | |
| 58 | foreach ($this->table->getColumns() as $column) { | 
| 59 | $columnsCreatingStringArray[] = $column->getColumnCreatingString(); | 
| 60 | } | 
| 61 | |
| 62 | return sprintf( | 
| 63 | "CREATE TABLE IF NOT EXISTS %s (%s\t%s%s);", | 
| 64 | $this->table->getTableName(), | 
| 65 | PHP_EOL, | 
| 66 | implode("," . PHP_EOL . "\t", $columnsCreatingStringArray), | 
| 67 | PHP_EOL | 
| 68 | ); | 
| 69 | } | 
| 70 | |
| 71 | /** | 
| 72 | * @return string | 
| 73 | */ | 
| 74 | private function getInsertSql(): string | 
| 75 | { | 
| 76 | $columnNamesArray = []; | 
| 77 | foreach ($this->table->getColumns() as $column) { | 
| 78 | $columnNamesArray[] = $column->getFormattedName(); | 
| 79 | } | 
| 80 | |
| 81 | $fieldInsertArray = []; | 
| 82 | foreach ($this->table->getRows() as $row) { | 
| 83 | $rowValuesArray = []; | 
| 84 | |
| 85 | /**@var $field ExportedField */ | 
| 86 | foreach ($row as $key => $field) { | 
| 87 | $rowValuesArray[] = $field->getFormattedValue(); | 
| 88 | } | 
| 89 | |
| 90 | $rowValuesString = implode("," . PHP_EOL . "\t ", $rowValuesArray); | 
| 91 | $fieldInsertArray[] = "(" . PHP_EOL . "\t $rowValuesString" . PHP_EOL . "\t)"; | 
| 92 | } | 
| 93 | |
| 94 | $columnNamesString = implode("," . PHP_EOL . "\t ", $columnNamesArray); | 
| 95 | $fieldInsertString = implode("," . PHP_EOL . "\t", $fieldInsertArray); | 
| 96 | |
| 97 | return sprintf( | 
| 98 | "INSERT INTO %s (%s\t %s%s) VALUES %s;", | 
| 99 | $this->table->getTableName(), | 
| 100 | PHP_EOL, | 
| 101 | $columnNamesString, | 
| 102 | PHP_EOL, | 
| 103 | $fieldInsertString | 
| 104 | ); | 
| 105 | } | 
| 106 | } |