unsupervised-scheduler/src/Schema.php

<?php
declare(strict_types=1);

namespace Unsupervised\Schedular;

class Schema {

	/**
	 * Returns CREATE TABLE statements for dbDelta.
	 *
	 * @return list<string>
	 */
	public static function tables( string $prefix, string $charset ): array {
		return [
			"CREATE TABLE {$prefix}us_availability (
                id               BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
                instructor_id    BIGINT UNSIGNED NOT NULL,
                offering_id      BIGINT UNSIGNED DEFAULT NULL,
                start_dt         DATETIME        NOT NULL,
                end_dt           DATETIME        NOT NULL,
                duration_minutes SMALLINT UNSIGNED NOT NULL DEFAULT 60,
                is_booked        TINYINT(1)      NOT NULL DEFAULT 0,
                recurrence_group BIGINT UNSIGNED DEFAULT NULL,
                created_at       DATETIME        NOT NULL,
                PRIMARY KEY (id),
                KEY instructor_id (instructor_id),
                KEY offering_id (offering_id),
                KEY start_dt (start_dt),
                KEY recurrence_group (recurrence_group)
            ) {$charset};",

			"CREATE TABLE {$prefix}us_lessons (
                id            BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
                slot_id       BIGINT UNSIGNED NOT NULL,
                student_id    BIGINT UNSIGNED NOT NULL,
                instructor_id BIGINT UNSIGNED NOT NULL,
                status        VARCHAR(20)     NOT NULL DEFAULT 'pending',
                notes         TEXT,
                created_at    DATETIME        NOT NULL,
                PRIMARY KEY (id),
                KEY slot_id (slot_id),
                KEY student_id (student_id),
                KEY instructor_id (instructor_id)
            ) {$charset};",

			"CREATE TABLE {$prefix}us_offerings (
                id               BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
                instructor_id    BIGINT UNSIGNED NOT NULL,
                kind             VARCHAR(20)     NOT NULL,
                title            VARCHAR(191)    NOT NULL,
                description      TEXT,
                duration_minutes SMALLINT UNSIGNED DEFAULT NULL,
                price            DECIMAL(10,2)   NOT NULL DEFAULT 0,
                currency         VARCHAR(3)      NOT NULL DEFAULT 'CAD',
                billing_mode     VARCHAR(20)     NOT NULL DEFAULT 'one_time',
                allow_weekly     TINYINT(1)      NOT NULL DEFAULT 0,
                capacity         SMALLINT UNSIGNED DEFAULT NULL,
                term_start       DATE            DEFAULT NULL,
                term_end         DATE            DEFAULT NULL,
                schedule_note    VARCHAR(191)    DEFAULT NULL,
                is_active        TINYINT(1)      NOT NULL DEFAULT 1,
                created_at       DATETIME        NOT NULL,
                PRIMARY KEY (id),
                KEY instructor_id (instructor_id),
                KEY kind (kind),
                KEY is_active (is_active)
            ) {$charset};",

			"CREATE TABLE {$prefix}us_questions (
                id          BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
                offering_id BIGINT UNSIGNED NOT NULL,
                label       VARCHAR(255)    NOT NULL,
                field_type  VARCHAR(20)     NOT NULL DEFAULT 'text',
                options     TEXT,
                is_required TINYINT(1)      NOT NULL DEFAULT 0,
                sort_order  INT             NOT NULL DEFAULT 0,
                is_active   TINYINT(1)      NOT NULL DEFAULT 1,
                created_at  DATETIME        NOT NULL,
                PRIMARY KEY (id),
                KEY offering_id (offering_id),
                KEY is_active (is_active)
            ) {$charset};",

			"CREATE TABLE {$prefix}us_question_answers (
                id                BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
                question_id       BIGINT UNSIGNED NOT NULL,
                registration_type VARCHAR(20)     NOT NULL,
                registration_id   BIGINT UNSIGNED NOT NULL,
                student_id        BIGINT UNSIGNED NOT NULL,
                answer_value      TEXT,
                created_at        DATETIME        NOT NULL,
                PRIMARY KEY (id),
                KEY question_id (question_id),
                KEY registration (registration_type, registration_id),
                KEY student_id (student_id)
            ) {$charset};",

			"CREATE TABLE {$prefix}us_policies (
                id                 BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
                title              VARCHAR(191)    NOT NULL,
                slug               VARCHAR(191)    NOT NULL,
                current_version_id BIGINT UNSIGNED DEFAULT NULL,
                acceptance_scope   VARCHAR(20)     NOT NULL DEFAULT 'booking',
                created_at         DATETIME        NOT NULL,
                PRIMARY KEY (id),
                UNIQUE KEY slug (slug),
                KEY acceptance_scope (acceptance_scope)
            ) {$charset};",

			"CREATE TABLE {$prefix}us_policy_versions (
                id             BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
                policy_id      BIGINT UNSIGNED NOT NULL,
                version_number INT             NOT NULL DEFAULT 1,
                body           LONGTEXT,
                status         VARCHAR(20)     NOT NULL DEFAULT 'draft',
                published_at   DATETIME        DEFAULT NULL,
                created_at     DATETIME        NOT NULL,
                PRIMARY KEY (id),
                KEY policy_id (policy_id),
                KEY status (status)
            ) {$charset};",

			"CREATE TABLE {$prefix}us_policy_acceptances (
                id                BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
                policy_version_id BIGINT UNSIGNED NOT NULL,
                student_id        BIGINT UNSIGNED NOT NULL,
                registration_type VARCHAR(20)     NOT NULL,
                registration_id   BIGINT UNSIGNED NOT NULL,
                accepted_at       DATETIME        NOT NULL,
                ip_address        VARCHAR(45)     DEFAULT NULL,
                PRIMARY KEY (id),
                KEY policy_version_id (policy_version_id),
                KEY student_id (student_id),
                KEY registration (registration_type, registration_id)
            ) {$charset};",

			"CREATE TABLE {$prefix}us_invites (
                id               BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
                email            VARCHAR(191)    NOT NULL,
                token            VARCHAR(64)     NOT NULL,
                role             VARCHAR(32)     NOT NULL DEFAULT 'us_student',
                status           VARCHAR(20)     NOT NULL DEFAULT 'pending',
                invited_by       BIGINT UNSIGNED DEFAULT NULL,
                accepted_user_id BIGINT UNSIGNED DEFAULT NULL,
                created_at       DATETIME        NOT NULL,
                accepted_at      DATETIME        DEFAULT NULL,
                PRIMARY KEY (id),
                UNIQUE KEY token (token),
                KEY email (email),
                KEY status (status)
            ) {$charset};",
		];
	}
}