ExportAdmin::dumpDatabaseCreation() - Code Metrics - Inspection of "Function refactoring." - lagdo/jaxon-dbadmin - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — main ( 263507...cf95a9 )

by Thierry

created 2021-12-25 16:18 UTC

ExportAdmin::dumpDatabaseCreation() B

↳ Parent: ExportAdmin

Complexity

Conditions	9
Paths	9

Size

Total Lines	19
Code Lines	14

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	9
eloc	14
c	0
b	0
f	0
nc	9
nop	1
dl	0
loc	19
rs	8.0555

<?php

namespace Lagdo\DbAdmin\DbAdmin;

use Exception;

use function count;
use function in_array;
use function preg_match;
use function str_replace;
use function array_unique;
use function array_merge;
use function array_pop;

/**
 * Admin export functions
 */
class ExportAdmin extends AbstractAdmin
{
    use Traits\TableExportTrait;
    use Traits\TableDumpTrait;


    /**
     * The databases to dump
     *
     * @var array
     */
    private $databases;

    /**
     * The tables to dump
     *
     * @var array
     */
    private $tables;

    /**
     * Get data for export
     *
     * @param string $database      The database name
     * @param string $table
     *
     * @return array
     */
    public function getExportOptions(string $database, string $table = ''): array
    {
        $results = [
            'options' => $this->getBaseOptions($database, $table),
            'prefixes' => [],
            'labels' => [
                'export' => $this->trans->lang('Export'),
            ],
        ];
        if (($database)) {
            $results['tables'] = $this->getDbTables();
        } else {
            $results['databases'] = $this->getDatabases();
        }
        return $results;
    }

    /**
     * Dump routines in the connected database
     *
     * @param string $database      The database name
     *
     * @return void
     */
    private function dumpRoutines(string $database)
    {
        // From dump.inc.php
        $style = $this->options['db_style'];

        if ($this->options['routines']) {
            $sql = 'SHOW FUNCTION STATUS WHERE Db = ' . $this->driver->quote($database);
            foreach ($this->driver->rows($sql) as $row) {
                $sql = 'SHOW CREATE FUNCTION ' . $this->driver->escapeId($row['Name']);
                $create = $this->admin->removeDefiner($this->driver->result($sql, 2));
                $this->queries[] = $this->driver->setUtf8mb4($create);
                if ($style != 'DROP+CREATE') {
                    $this->queries[] = 'DROP FUNCTION IF EXISTS ' . $this->driver->escapeId($row['Name']) . ';;';
                }
                $this->queries[] = "$create;;\n";
            }
            $sql = 'SHOW PROCEDURE STATUS WHERE Db = ' . $this->driver->quote($database);
            foreach ($this->driver->rows($sql) as $row) {
                $sql = 'SHOW CREATE PROCEDURE ' . $this->driver->escapeId($row['Name']);
                $create = $this->admin->removeDefiner($this->driver->result($sql, 2));
                $this->queries[] = $this->driver->setUtf8mb4($create);
                if ($style != 'DROP+CREATE') {
                    $this->queries[] = 'DROP PROCEDURE IF EXISTS ' . $this->driver->escapeId($row['Name']) . ';;';
                }
                $this->queries[] = "$create;;\n";
            }
        }
    }

    /**
     * Dump events in the connected database
     *
     * @return void
     */
    private function dumpEvents()
    {
        // From dump.inc.php
        $style = $this->options['db_style'];

        if ($this->options['events']) {
            foreach ($this->driver->rows('SHOW EVENTS') as $row) {
                $sql = 'SHOW CREATE EVENT ' . $this->driver->escapeId($row['Name']);
                $create = $this->admin->removeDefiner($this->driver->result($sql, 3));
                $this->queries[] = $this->driver->setUtf8mb4($create);
                if ($style != 'DROP+CREATE') {
                    $this->queries[] = 'DROP EVENT IF EXISTS ' . $this->driver->escapeId($row['Name']) . ';;';
                }
                $this->queries[] = "$create;;\n";
            }
        }
    }

    /**
     * @param string $table
     * @param bool $dumpTable
     * @param bool $dumpData
     *
     * @return void
     */
    private function dumpTable(string $table, bool $dumpTable, bool $dumpData)
    {
        $this->dumpTableOrView($table, ($dumpTable ? $this->options['table_style'] : ''));
        if ($dumpData) {
            $fields = $this->driver->fields($table);
            $query = 'SELECT *' . $this->driver->convertFields($fields, $fields) .
                ' FROM ' . $this->driver->table($table);
            $this->dumpData($table, $query);
        }
        if ($this->options['is_sql'] && $this->options['triggers'] && $dumpTable &&
            ($triggers = $this->driver->sqlForCreateTrigger($table))) {
            $this->queries[] = 'DELIMITER ;';
            $this->queries[] = $triggers;
            $this->queries[] = 'DELIMITER ;';
        }
        if ($this->options['is_sql']) {
            $this->queries[] = '';
        }
    }

    /**
     * @param string $database      The database name
     *
     * @return void
     */
    private function dumpTables(string $database)
    {
        $dbDumpTable = $this->tables['list'] === '*' && in_array($database, $this->databases['list']);
        $dbDumpData = in_array($database, $this->databases['data']);
        $this->views = []; // View names
        $this->fkeys = []; // Table names for foreign keys
        $dbTables = $this->driver->tableStatuses(true);
        foreach ($dbTables as $table => $tableStatus) {
            $isView = $this->driver->isView($tableStatus);
            if ($isView) {
                // The views will be dumped after the tables
                $this->views[] = $table;
                continue;
            }
            $this->fkeys[] = $table;
            $dumpTable = $dbDumpTable || in_array($table, $this->tables['list']);
            $dumpData = $dbDumpData || in_array($table, $this->tables['data']);
            if ($dumpTable || $dumpData) {
                $this->dumpTable($table, $dumpTable, $dumpData);
            }
        }
    }

    /**
     * @return void
     */
    private function dumpViewsAndFKeys()
    {
        // Add FKs after creating tables (except in MySQL which uses SET FOREIGN_KEY_CHECKS=0)
        if ($this->driver->support('fkeys_sql')) {
            foreach ($this->fkeys as $table) {
                $this->queries[] = $this->driver->sqlForForeignKeys($table);
            }
        }
        // Dump the views after all the tables
        foreach ($this->views as $view) {
            $this->dumpTableOrView($view, $this->options['table_style'], 1);
        }
    }

    /**
     * @param string $database
     *
     * @return void
     */
    private function dumpDatabaseCreation(string $database)
    {
        $style = $this->options['db_style'];
        $this->driver->connect($database, '');
        $sql = 'SHOW CREATE DATABASE ' . $this->driver->escapeId($database);
        if ($this->options['is_sql'] && preg_match('~CREATE~', $style) &&
            ($create = $this->driver->result($sql, 1))) {
            $this->driver->setUtf8mb4($create);
            if ($style == 'DROP+CREATE') {
                $this->queries[] = 'DROP DATABASE IF EXISTS ' . $this->driver->escapeId($database) . ';';
            }
            $this->queries[] = $create . ';';
            $this->queries[] = ''; // Empty line
        }
        if ($this->options['is_sql'] && $this->options['db_style'] && $this->driver->jush() === 'sql') {
            if (($query = $this->driver->sqlForUseDatabase($database))) {
                $this->queries[] = $query . ';';
            }
            $this->queries[] = ''; // Empty line
        }
    }

    /**
     * @param string $database
     *
     * @return void
     */
    private function dumpDatabase(string $database)
    {
        $this->dumpDatabaseCreation($database);
        if ($this->options['is_sql'] && $this->driver->jush() === 'sql') {
            $count = count($this->queries);
            $this->queries[] = "DELIMITER ;;\n";
            // Dump routines and events currently works only for MySQL.
            $this->dumpRoutines($database);
            $this->dumpEvents();
            $this->queries[] = "DELIMITER ;;\n";
            if ($count + 2 === count($this->queries)) {
                // No routine or event were dumped, so the last 2 entries are removed.
                array_pop($this->queries);
                array_pop($this->queries);
            }
        }

        if (!$this->options['table_style'] && !$this->options['data_style']) {
            return;
        }

        $this->dumpTables($database);
        $this->dumpViewsAndFKeys();
    }

    /**
     * @return array|null
     */
    private function getDatabaseExportHeaders()
    {
        if (!$this->options['is_sql']) {
            return null;
        }
        $headers = [
            'version' => $this->driver->version(),
            'driver' => $this->driver->name(),
            'server' => str_replace("\n", ' ', $this->driver->serverInfo()),
            'sql' => false,
            'data_style' => false,
        ];
        if ($this->driver->jush() == 'sql') {
            $headers['sql'] = true;
            if (isset($options['data_style'])) {

                $headers['data_style'] = true;
            }
            // Set some options in database server
            $this->driver->query("SET time_zone = '+00:00'");
            $this->driver->query("SET sql_mode = ''");
        }
        return $headers;
    }

    /**
     * Export databases
     *
     * @param array  $databases     The databases to dump
     * @param array  $tables        The tables to dump
     * @param array  $options       The export options
     *
     * @return array|string
     */
    public function exportDatabases(array $databases, array $tables, array $options)
    {
        // From dump.inc.php
        // $tables = array_flip($options['tables']) + array_flip($options['data']);
        // $ext = dump_headers((count($tables) == 1 ? key($tables) : DB), (DB == '' || count($tables) > 1));
        $options['is_sql'] = preg_match('~sql~', $options['format']);
        $this->databases = $databases;
        $this->tables = $tables;
        $this->options = $options;

        $headers = $this->getDatabaseExportHeaders();

        foreach (array_unique(array_merge($databases['list'], $databases['data'])) as $database) {
            try {
                $this->dumpDatabase($database);
            }
            catch (Exception $e) {
                return $e->getMessage();
            }
        }

        if ($this->options['is_sql']) {
            $this->queries[] = '-- ' . $this->driver->result('SELECT NOW()');
        }

        return [
            'headers' => $headers,
            'queries' => $this->queries,
        ];
    }
}


1			<?php
2
3			namespace Lagdo\DbAdmin\DbAdmin;
4
5			use Exception;
6
7			use function count;
8			use function in_array;
9			use function preg_match;
10			use function str_replace;
11			use function array_unique;
12			use function array_merge;
13			use function array_pop;
14
15			/**
16			* Admin export functions
17			*/
18			class ExportAdmin extends AbstractAdmin
19			{
20			use Traits\TableExportTrait;
21			use Traits\TableDumpTrait;
			1 ignored issue – show introduced 2021-12-23 16:49 UTC by Report Bug Copy Issue Report The trait `Lagdo\DbAdmin\DbAdmin\Traits\TableDumpTrait` requires some properties which are not provided by `Lagdo\DbAdmin\DbAdmin\ExportAdmin`: `$fullType`, `$type` Loading history...
22
23			/**
24			* The databases to dump
25			*
26			* @var array
27			*/
28			private $databases;
29
30			/**
31			* The tables to dump
32			*
33			* @var array
34			*/
35			private $tables;
36
37			/**
38			* Get data for export
39			*
40			* @param string $database The database name
41			* @param string $table
42			*
43			* @return array
44			*/
45			public function getExportOptions(string $database, string $table = ''): array
46			{
47			$results = [
48			'options' => $this->getBaseOptions($database, $table),
49			'prefixes' => [],
50			'labels' => [
51			'export' => $this->trans->lang('Export'),
52			],
53			];
54			if (($database)) {
55			$results['tables'] = $this->getDbTables();
56			} else {
57			$results['databases'] = $this->getDatabases();
58			}
59			return $results;
60			}
61
62			/**
63			* Dump routines in the connected database
64			*
65			* @param string $database The database name
66			*
67			* @return void
68			*/
69			private function dumpRoutines(string $database)
70			{
71			// From dump.inc.php
72			$style = $this->options['db_style'];
73
74			if ($this->options['routines']) {
75			$sql = 'SHOW FUNCTION STATUS WHERE Db = ' . $this->driver->quote($database);
76			foreach ($this->driver->rows($sql) as $row) {
77			$sql = 'SHOW CREATE FUNCTION ' . $this->driver->escapeId($row['Name']);
78			$create = $this->admin->removeDefiner($this->driver->result($sql, 2));
79			$this->queries[] = $this->driver->setUtf8mb4($create);
80			if ($style != 'DROP+CREATE') {
81			$this->queries[] = 'DROP FUNCTION IF EXISTS ' . $this->driver->escapeId($row['Name']) . ';;';
82			}
83			$this->queries[] = "$create;;\n";
84			}
85			$sql = 'SHOW PROCEDURE STATUS WHERE Db = ' . $this->driver->quote($database);
86			foreach ($this->driver->rows($sql) as $row) {
87			$sql = 'SHOW CREATE PROCEDURE ' . $this->driver->escapeId($row['Name']);
88			$create = $this->admin->removeDefiner($this->driver->result($sql, 2));
89			$this->queries[] = $this->driver->setUtf8mb4($create);
90			if ($style != 'DROP+CREATE') {
91			$this->queries[] = 'DROP PROCEDURE IF EXISTS ' . $this->driver->escapeId($row['Name']) . ';;';
92			}
93			$this->queries[] = "$create;;\n";
94			}
95			}
96			}
97
98			/**
99			* Dump events in the connected database
100			*
101			* @return void
102			*/
103			private function dumpEvents()
104			{
105			// From dump.inc.php
106			$style = $this->options['db_style'];
107
108			if ($this->options['events']) {
109			foreach ($this->driver->rows('SHOW EVENTS') as $row) {
110			$sql = 'SHOW CREATE EVENT ' . $this->driver->escapeId($row['Name']);
111			$create = $this->admin->removeDefiner($this->driver->result($sql, 3));
112			$this->queries[] = $this->driver->setUtf8mb4($create);
113			if ($style != 'DROP+CREATE') {
114			$this->queries[] = 'DROP EVENT IF EXISTS ' . $this->driver->escapeId($row['Name']) . ';;';
115			}
116			$this->queries[] = "$create;;\n";
117			}
118			}
119			}
120
121			/**
122			* @param string $table
123			* @param bool $dumpTable
124			* @param bool $dumpData
125			*
126			* @return void
127			*/
128			private function dumpTable(string $table, bool $dumpTable, bool $dumpData)
129			{
130			$this->dumpTableOrView($table, ($dumpTable ? $this->options['table_style'] : ''));
131			if ($dumpData) {
132			$fields = $this->driver->fields($table);
133			$query = 'SELECT *' . $this->driver->convertFields($fields, $fields) .
134			' FROM ' . $this->driver->table($table);
135			$this->dumpData($table, $query);
136			}
137			if ($this->options['is_sql'] && $this->options['triggers'] && $dumpTable &&
138			($triggers = $this->driver->sqlForCreateTrigger($table))) {
139			$this->queries[] = 'DELIMITER ;';
140			$this->queries[] = $triggers;
141			$this->queries[] = 'DELIMITER ;';
142			}
143			if ($this->options['is_sql']) {
144			$this->queries[] = '';
145			}
146			}
147
148			/**
149			* @param string $database The database name
150			*
151			* @return void
152			*/
153			private function dumpTables(string $database)
154			{
155			$dbDumpTable = $this->tables['list'] === '*' && in_array($database, $this->databases['list']);
156			$dbDumpData = in_array($database, $this->databases['data']);
157			$this->views = []; // View names
158			$this->fkeys = []; // Table names for foreign keys
159			$dbTables = $this->driver->tableStatuses(true);
160			foreach ($dbTables as $table => $tableStatus) {
161			$isView = $this->driver->isView($tableStatus);
162			if ($isView) {
163			// The views will be dumped after the tables
164			$this->views[] = $table;
165			continue;
166			}
167			$this->fkeys[] = $table;
168			$dumpTable = $dbDumpTable \|\| in_array($table, $this->tables['list']);
169			$dumpData = $dbDumpData \|\| in_array($table, $this->tables['data']);
170			if ($dumpTable \|\| $dumpData) {
171			$this->dumpTable($table, $dumpTable, $dumpData);
172			}
173			}
174			}
175
176			/**
177			* @return void
178			*/
179			private function dumpViewsAndFKeys()
180			{
181			// Add FKs after creating tables (except in MySQL which uses SET FOREIGN_KEY_CHECKS=0)
182			if ($this->driver->support('fkeys_sql')) {
183			foreach ($this->fkeys as $table) {
184			$this->queries[] = $this->driver->sqlForForeignKeys($table);
185			}
186			}
187			// Dump the views after all the tables
188			foreach ($this->views as $view) {
189			$this->dumpTableOrView($view, $this->options['table_style'], 1);
190			}
191			}
192
193			/**
194			* @param string $database
195			*
196			* @return void
197			*/
198			private function dumpDatabaseCreation(string $database)
199			{
200			$style = $this->options['db_style'];
201			$this->driver->connect($database, '');
202			$sql = 'SHOW CREATE DATABASE ' . $this->driver->escapeId($database);
203			if ($this->options['is_sql'] && preg_match('~CREATE~', $style) &&
204			($create = $this->driver->result($sql, 1))) {
205			$this->driver->setUtf8mb4($create);
206			if ($style == 'DROP+CREATE') {
207			$this->queries[] = 'DROP DATABASE IF EXISTS ' . $this->driver->escapeId($database) . ';';
208			}
209			$this->queries[] = $create . ';';
210			$this->queries[] = ''; // Empty line
211			}
212			if ($this->options['is_sql'] && $this->options['db_style'] && $this->driver->jush() === 'sql') {
213			if (($query = $this->driver->sqlForUseDatabase($database))) {
214			$this->queries[] = $query . ';';
215			}
216			$this->queries[] = ''; // Empty line
217			}
218			}
219
220			/**
221			* @param string $database
222			*
223			* @return void
224			*/
225			private function dumpDatabase(string $database)
226			{
227			$this->dumpDatabaseCreation($database);
228			if ($this->options['is_sql'] && $this->driver->jush() === 'sql') {
229			$count = count($this->queries);
230			$this->queries[] = "DELIMITER ;;\n";
231			// Dump routines and events currently works only for MySQL.
232			$this->dumpRoutines($database);
233			$this->dumpEvents();
234			$this->queries[] = "DELIMITER ;;\n";
235			if ($count + 2 === count($this->queries)) {
236			// No routine or event were dumped, so the last 2 entries are removed.
237			array_pop($this->queries);
238			array_pop($this->queries);
239			}
240			}
241
242			if (!$this->options['table_style'] && !$this->options['data_style']) {
243			return;
244			}
245
246			$this->dumpTables($database);
247			$this->dumpViewsAndFKeys();
248			}
249
250			/**
251			* @return array\|null
252			*/
253			private function getDatabaseExportHeaders()
254			{
255			if (!$this->options['is_sql']) {
256			return null;
257			}
258			$headers = [
259			'version' => $this->driver->version(),
260			'driver' => $this->driver->name(),
261			'server' => str_replace("\n", ' ', $this->driver->serverInfo()),
262			'sql' => false,
263			'data_style' => false,
264			];
265			if ($this->driver->jush() == 'sql') {
266			$headers['sql'] = true;
267			if (isset($options['data_style'])) {
			0 ignored issues – show Comprehensibility Best Practice introduced 2021-12-25 16:20 UTC by Report Bug Copy Issue Report The variable `$options` seems to never exist and therefore `isset` should always be `false`. Loading history...
268			$headers['data_style'] = true;
269			}
270			// Set some options in database server
271			$this->driver->query("SET time_zone = '+00:00'");
272			$this->driver->query("SET sql_mode = ''");
273			}
274			return $headers;
275			}
276
277			/**
278			* Export databases
279			*
280			* @param array $databases The databases to dump
281			* @param array $tables The tables to dump
282			* @param array $options The export options
283			*
284			* @return array\|string
285			*/
286			public function exportDatabases(array $databases, array $tables, array $options)
287			{
288			// From dump.inc.php
289			// $tables = array_flip($options['tables']) + array_flip($options['data']);
290			// $ext = dump_headers((count($tables) == 1 ? key($tables) : DB), (DB == '' \|\| count($tables) > 1));
291			$options['is_sql'] = preg_match('~sql~', $options['format']);
292			$this->databases = $databases;
293			$this->tables = $tables;
294			$this->options = $options;
295
296			$headers = $this->getDatabaseExportHeaders();
297
298			foreach (array_unique(array_merge($databases['list'], $databases['data'])) as $database) {
299			try {
300			$this->dumpDatabase($database);
301			}
302			catch (Exception $e) {
303			return $e->getMessage();
304			}
305			}
306
307			if ($this->options['is_sql']) {
308			$this->queries[] = '-- ' . $this->driver->result('SELECT NOW()');
309			}
310
311			return [
312			'headers' => $headers,
313			'queries' => $this->queries,
314			];
315			}
316			}
317

lagdo / jaxon-dbadmin

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ExportAdmin::dumpDatabaseCreation() B

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