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authorGeorge Halkiadakis <gchalkiadakis@sklavenitis.co.gr>2023-04-17 12:12:22 +0300
committerGeorge Halkiadakis <gchalkiadakis@sklavenitis.co.gr>2023-04-17 12:12:22 +0300
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-
-# info about the structrure of the models
-
-According to the former impementation (atcom) the project will need to handle 200+ tables.
-The former project includes 209 tables with 5 or more rows (and 325 tables totaly)
-
-
-
-## Database schema
-
-Main tables and recomended constraints:
-
-```
-SET NAMES utf8;
-SET time_zone = '+00:00';
-SET foreign_key_checks = 0;
-SET sql_mode = 'NO_AUTO_VALUE_ON_ZERO';
-
-SET NAMES utf8mb4;
-
-DROP TABLE IF EXISTS `course`;
-CREATE TABLE `course` (
- `id` int(11) NOT NULL AUTO_INCREMENT,
- `parent_id` int(11) NOT NULL COMMENT 'if 0 then this is a root course',
- `label` varchar(140) COLLATE utf8mb4_unicode_ci NOT NULL,
- PRIMARY KEY (`id`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
-
-
-DROP TABLE IF EXISTS `lesson`;
-CREATE TABLE `lesson` (
- `id` int(11) NOT NULL AUTO_INCREMENT,
- `course_id` int(11) NOT NULL,
- `title` varchar(140) COLLATE utf8mb4_unicode_ci NOT NULL,
- `body` text COLLATE utf8mb4_unicode_ci NOT NULL,
- `published` tinyint(4) NOT NULL DEFAULT '0' COMMENT '0 = unpublished, 1 = published',
- PRIMARY KEY (`id`),
- KEY `course_id` (`course_id`),
- CONSTRAINT `lesson_ibfk_1` FOREIGN KEY (`course_id`) REFERENCES `course` (`id`),
- CONSTRAINT `lesson_ibfk_2` FOREIGN KEY (`course_id`) REFERENCES `course` (`id`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
-
-
-DROP TABLE IF EXISTS `lesson_media`;
-CREATE TABLE `lesson_media` (
- `lesson_id` int(11) NOT NULL,
- `media_id` int(11) NOT NULL,
- PRIMARY KEY (`lesson_id`,`media_id`),
- KEY `media_id` (`media_id`),
- CONSTRAINT `lesson_media_ibfk_1` FOREIGN KEY (`lesson_id`) REFERENCES `lesson` (`id`),
- CONSTRAINT `lesson_media_ibfk_2` FOREIGN KEY (`lesson_id`) REFERENCES `lesson` (`id`),
- CONSTRAINT `lesson_media_ibfk_3` FOREIGN KEY (`lesson_id`) REFERENCES `lesson` (`id`),
- CONSTRAINT `lesson_media_ibfk_4` FOREIGN KEY (`media_id`) REFERENCES `media` (`id`),
- CONSTRAINT `lesson_media_ibfk_5` FOREIGN KEY (`lesson_id`) REFERENCES `lesson` (`id`) ON DELETE NO ACTION,
- CONSTRAINT `lesson_media_ibfk_6` FOREIGN KEY (`media_id`) REFERENCES `media` (`id`) ON DELETE NO ACTION,
- CONSTRAINT `lesson_media_ibfk_7` FOREIGN KEY (`lesson_id`) REFERENCES `lesson` (`id`) ON DELETE NO ACTION,
- CONSTRAINT `lesson_media_ibfk_8` FOREIGN KEY (`media_id`) REFERENCES `media` (`id`) ON DELETE NO ACTION
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
-
-
-DROP TABLE IF EXISTS `lesson_privilege`;
-CREATE TABLE `lesson_privilege` (
- `lesson_id` int(11) NOT NULL,
- `privilege_id` int(11) NOT NULL COMMENT 'minimum privilege required to access the lesson',
- KEY `lesson_id` (`lesson_id`),
- KEY `privilege_id` (`privilege_id`),
- CONSTRAINT `lesson_privilege_ibfk_1` FOREIGN KEY (`lesson_id`) REFERENCES `lesson` (`id`),
- CONSTRAINT `lesson_privilege_ibfk_2` FOREIGN KEY (`privilege_id`) REFERENCES `privilege` (`id`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
-
-
-DROP TABLE IF EXISTS `media`;
-CREATE TABLE `media` (
- `id` int(11) NOT NULL AUTO_INCREMENT,
- `label` varchar(140) COLLATE utf8mb4_unicode_ci NOT NULL,
- `type` varchar(64) COLLATE utf8mb4_unicode_ci NOT NULL,
- `path` varchar(320) COLLATE utf8mb4_unicode_ci NOT NULL,
- `referable` tinyint(4) NOT NULL DEFAULT '1' COMMENT '0 = hidden, 1 = referable',
- PRIMARY KEY (`id`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
-
-
-DROP TABLE IF EXISTS `page`;
-CREATE TABLE `page` (
- `id` int(11) NOT NULL AUTO_INCREMENT,
- `title` varchar(140) COLLATE utf8mb4_unicode_ci NOT NULL,
- `body` text COLLATE utf8mb4_unicode_ci NOT NULL,
- `published` tinyint(4) NOT NULL DEFAULT '0' COMMENT '0 = unpublished; 1 = published',
- PRIMARY KEY (`id`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
-
-
-DROP TABLE IF EXISTS `page_media`;
-CREATE TABLE `page_media` (
- `page_id` int(11) NOT NULL,
- `media_id` int(11) NOT NULL,
- KEY `page_id` (`page_id`),
- KEY `media_id` (`media_id`),
- CONSTRAINT `page_media_ibfk_1` FOREIGN KEY (`page_id`) REFERENCES `page` (`id`) ON DELETE NO ACTION,
- CONSTRAINT `page_media_ibfk_2` FOREIGN KEY (`media_id`) REFERENCES `media` (`id`) ON DELETE NO ACTION
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
-
-
-DROP TABLE IF EXISTS `privilege`;
-CREATE TABLE `privilege` (
- `id` int(11) NOT NULL AUTO_INCREMENT,
- `alias` varchar(8) COLLATE utf8mb4_unicode_ci NOT NULL COMMENT 'keep it simple; use latin',
- `label` varchar(140) COLLATE utf8mb4_unicode_ci NOT NULL,
- PRIMARY KEY (`id`),
- UNIQUE KEY `alias` (`alias`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
-
-
-DROP TABLE IF EXISTS `privilege_inherit`;
-CREATE TABLE `privilege_inherit` (
- `higher_id` int(11) NOT NULL COMMENT 'higher priviledges inherit (include) lower ones',
- `lower_id` int(11) NOT NULL,
- PRIMARY KEY (`higher_id`,`lower_id`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
-
-
-DROP TABLE IF EXISTS `user`;
-CREATE TABLE `user` (
- `id` int(11) NOT NULL AUTO_INCREMENT,
- `first_name` int(11) NOT NULL,
- `last_name` int(11) NOT NULL,
- `email` int(11) NOT NULL,
- `expiration` int(11) NOT NULL COMMENT 'account expiration date; 0 = never',
- `password` int(11) NOT NULL,
- `salt` int(11) NOT NULL,
- `otp` int(11) NOT NULL COMMENT 'one time password for reset password',
- `otp_expiration` int(11) NOT NULL,
- `active` int(11) NOT NULL COMMENT 'account flag; 1=active, 0=inactive',
- PRIMARY KEY (`id`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
-
-
-DROP TABLE IF EXISTS `user_privilege`;
-CREATE TABLE `user_privilege` (
- `user_id` int(11) NOT NULL,
- `privilege_id` int(11) NOT NULL,
- PRIMARY KEY (`user_id`,`privilege_id`),
- KEY `privilege_id` (`privilege_id`),
- CONSTRAINT `user_privilege_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `user` (`id`),
- CONSTRAINT `user_privilege_ibfk_2` FOREIGN KEY (`privilege_id`) REFERENCES `privilege` (`id`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
-
-```
-
-