flash.moe/database/2023_10_13_215920_existing_tables.php

<?php
use Index\Db\DbConnection;
use Index\Db\Migration\DbMigration;

final class ExistingTables_20231013_215920 implements DbMigration {
    public function migrate(DbConnection $conn): void {
        $existingTables = [];
        $result = $conn->query('SHOW TABLES');
        while($result->next())
            $existingTables[] = $result->getString(0);

        if(!in_array('fm_contacts', $existingTables))
            $conn->execute('
                CREATE TABLE fm_contacts (
                    cont_name     VARBINARY(16)    NOT NULL,
                    cont_homepage TINYINT(4)       NOT NULL DEFAULT "0",
                    cont_order    INT(11)          NOT NULL DEFAULT "0",
                    cont_title    VARCHAR(255)     NOT NULL              COLLATE "utf8mb4_bin",
                    cont_icon     VARCHAR(255)     NOT NULL              COLLATE "utf8mb4_bin",
                    cont_colour   INT(10) UNSIGNED NOT NULL,
                    cont_display  VARCHAR(255)     NOT NULL              COLLATE "utf8mb4_bin",
                    cont_link     VARCHAR(255)     NULL     DEFAULT NULL COLLATE "utf8mb4_bin",
                    PRIMARY KEY (cont_name),
                    KEY cont_homepage (cont_homepage),
                    KEY cont_order (cont_order)
                ) ENGINE=InnoDB COLLATE="utf8mb4_bin";
            ');

        if(!in_array('fm_public_keys', $existingTables))
            $conn->execute('
                CREATE TABLE fm_public_keys (
                    key_id         INT(11)      NOT NULL AUTO_INCREMENT,
                    key_level      INT(11)      NOT NULL DEFAULT "0",
                    key_algo       VARCHAR(20)  NOT NULL COLLATE "utf8mb4_bin",
                    key_body       TEXT         NOT NULL COLLATE "utf8mb4_bin",
                    key_comment    VARCHAR(255) NOT NULL COLLATE "utf8mb4_bin",
                    key_created    TIMESTAMP    NOT NULL DEFAULT current_timestamp(),
                    key_deprecated TIMESTAMP    NULL     DEFAULT NULL,
                    PRIMARY KEY (key_id),
                    UNIQUE KEY key_body (key_body),
                    KEY key_deprecated (key_deprecated),
                    KEY key_level (key_level)
                ) ENGINE=InnoDB COLLATE="utf8mb4_bin";
            ');

        if(!in_array('fm_proglangs', $existingTables))
            $conn->execute('
                CREATE TABLE fm_proglangs (
                    language_id     INT(10) UNSIGNED      NOT NULL AUTO_INCREMENT,
                    language_name   VARCHAR(50)           NOT NULL COLLATE "utf8mb4_unicode_ci",
                    language_colour MEDIUMINT(8) UNSIGNED NULL     DEFAULT NULL,
                    PRIMARY KEY (language_id),
                    UNIQUE KEY language_name (language_name)
                ) ENGINE=InnoDB COLLATE="utf8mb4_bin";
            ');

        if(!in_array('fm_projects', $existingTables))
            $conn->execute('
                CREATE TABLE fm_projects (
                    project_id          INT(10) UNSIGNED        NOT NULL AUTO_INCREMENT,
                    project_name        VARCHAR(255)            NOT NULL                   COLLATE "utf8mb4_unicode_ci",
                    project_name_clean  VARCHAR(255)            NULL     DEFAULT NULL      COLLATE "ascii_general_ci",
                    project_summary     VARCHAR(255)            NULL     DEFAULT NULL      COLLATE "utf8mb4_unicode_ci",
                    project_description MEDIUMTEXT              NULL     DEFAULT NULL      COLLATE "utf8mb4_unicode_ci",
                    project_order       INT(11)                 NOT NULL DEFAULT "0",
                    project_type        ENUM("Project", "Tool") NOT NULL DEFAULT "Project" COLLATE "ascii_general_ci",
                    project_featured    TINYINT(3) UNSIGNED     NOT NULL DEFAULT "0",
                    project_colour      MEDIUMINT(8) UNSIGNED   NULL     DEFAULT NULL,
                    project_homepage    VARCHAR(255)            NULL     DEFAULT NULL      COLLATE "ascii_general_ci",
                    project_repository  VARCHAR(255)            NULL     DEFAULT NULL      COLLATE "ascii_general_ci",
                    project_forum       VARCHAR(255)            NULL     DEFAULT NULL      COLLATE "ascii_general_ci",
                    project_created     TIMESTAMP               NOT NULL DEFAULT current_timestamp(),
                    project_deleted     TIMESTAMP               NULL     DEFAULT NULL,
                    project_archived    TIMESTAMP               NULL     DEFAULT NULL,
                    PRIMARY KEY (project_id),
                    UNIQUE KEY project_name (project_name),
                    UNIQUE KEY project_name_clean (project_name_clean),
                    KEY project_order (project_order),
                    KEY project_type (project_type),
                    KEY project_archived (project_archived),
                    KEY project_deleted (project_deleted),
                    KEY project_created (project_created),
                    KEY project_featured (project_featured)
                ) ENGINE=InnoDB COLLATE="utf8mb4_bin";
            ');

        if(!in_array('fm_projects_proglangs', $existingTables))
            $conn->execute('
                CREATE TABLE fm_projects_proglangs (
                    project_id  INT(10) UNSIGNED NOT NULL,
                    language_id INT(10) UNSIGNED NOT NULL,
                    priority    INT(10) NOT NULL DEFAULT "0",
                    UNIQUE KEY projects_proglangs_unique (project_id, language_id),
                    KEY projects_proglangs_language_foreign (language_id),
                    KEY projects_proglangs_priority_index (priority),
                    CONSTRAINT projects_proglangs_language_foreign
                        FOREIGN KEY (language_id)
                        REFERENCES fm_proglangs (language_id)
                        ON UPDATE CASCADE
                        ON DELETE CASCADE,
                    CONSTRAINT projects_proglangs_project_foreign
                        FOREIGN KEY (project_id)
                        REFERENCES fm_projects (project_id)
                        ON UPDATE CASCADE
                        ON DELETE CASCADE
                ) ENGINE=InnoDB COLLATE="utf8mb4_bin";
            ');
    }
}