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1<?php
2/**
3 * Pop PHP Framework (http://www.popphp.org/)
4 *
5 * @link       https://github.com/popphp/popphp-framework
6 * @author     Nick Sagona, III <dev@nolainteractive.com>
7 * @copyright  Copyright (c) 2009-2024 NOLA Interactive, LLC. (http://www.nolainteractive.com)
8 * @license    http://www.popphp.org/license     New BSD License
9 */
10
11/**
12 * @namespace
13 */
14namespace Pop\Db\Sql\Schema;
15
16/**
17 * Schema CREATE table class
18 *
19 * @category   Pop
20 * @package    Pop\Db
21 * @author     Nick Sagona, III <dev@nolainteractive.com>
22 * @copyright  Copyright (c) 2009-2024 NOLA Interactive, LLC. (http://www.nolainteractive.com)
23 * @license    http://www.popphp.org/license     New BSD License
24 * @version    6.5.0
25 */
26class Create extends AbstractStructure
27{
28
29    /**
30     * IF NOT EXISTS flag
31     * @var bool
32     */
33    protected bool $ifNotExists = false;
34
35    /**
36     * Table engine (MySQL only)
37     * @var string
38     */
39    protected string $engine = 'InnoDB';
40
41    /**
42     * Table charset (MySQL only)
43     * @var string
44     */
45    protected string $charset = 'utf8';
46
47    /**
48     * Set the IF NOT EXISTS flag
49     *
50     * @return Create
51     */
52    public function ifNotExists(): Create
53    {
54        $this->ifNotExists = true;
55        return $this;
56    }
57
58    /**
59     * Set the table engine (MySQL only)
60     *
61     * @param  string $engine
62     * @return Create
63     */
64    public function setEngine(string $engine): Create
65    {
66        $this->engine = $engine;
67        return $this;
68    }
69
70    /**
71     * Get the table engine (MySQL only)
72     *
73     * @return string
74     */
75    public function getEngine(): string
76    {
77        return $this->engine;
78    }
79
80    /**
81     * Set the table charset (MySQL only)
82     *
83     * @param  string $charset
84     * @return Create
85     */
86    public function setCharset(string $charset): Create
87    {
88        $this->charset = $charset;
89        return $this;
90    }
91
92    /**
93     * Get the table charset (MySQL only)
94     *
95     * @return string
96     */
97    public function getCharset(): string
98    {
99        return $this->charset;
100    }
101
102    /**
103     * Render the table schema
104     *
105     * @return string
106     */
107    public function render(): string
108    {
109        $schema = '';
110
111        // Create PGSQL sequence
112        if (($this->hasIncrement()) && ($this->isPgsql())) {
113            $schema .= Formatter\Table::createPgsqlSequences($this->getIncrement(), $this->table, $this->columns);
114        }
115
116        /*
117         * START CREATE TABLE
118         */
119        $schema .= 'CREATE TABLE ' . ((($this->ifNotExists) && ($this->dbType != self::SQLSRV)) ? 'IF NOT EXISTS ' : null) .
120            $this->quoteId($this->table) . ' (' . PHP_EOL;
121
122        // Iterate over the columns
123        $i         = 0;
124        $increment = null;
125        foreach ($this->columns as $name => $column) {
126            if ($column['increment'] !== false) {
127                $increment = $column['increment'];
128            }
129            $schema .= (($i != 0) ? ',' . PHP_EOL : null) . '  ' . $this->getColumnSchema($name, $column);
130            $i++;
131        }
132
133        // Format primary key schema
134        if ($this->hasPrimary()) {
135            $schema .= Formatter\Table::formatPrimarySchema($this->dbType, $this->getPrimary(true));
136        }
137
138        $schema .= Formatter\Table::formatEndOfTable($this->dbType, $this->engine, $this->charset, $increment);
139
140        /*
141         * END CREATE TABLE
142         */
143
144        // Assign PGSQL or SQLITE sequences
145        if ($this->hasIncrement()) {
146            $schema .= Formatter\Table::createSequences(
147                $this->dbType, $this->getIncrement(), $this->quoteId($this->table), $this->columns
148            );
149        }
150
151        // Add indices
152        if (count($this->indices) > 0) {
153            $schema .= Formatter\Table::createIndices($this->indices, $this->table, $this);
154        }
155
156        // Add constraints
157        if (count($this->constraints) > 0) {
158            $schema .= Formatter\Table::createConstraints($this->constraints, $this->table, $this);
159        }
160
161        return $schema . PHP_EOL;
162    }
163
164    /**
165     * Render the table schema to string
166     *
167     * @return string
168     */
169    public function __toString(): string
170    {
171        return $this->render();
172    }
173
174}