Refactor code structure for improved readability and maintainability

config/schema.sql

@@ -133,3 +133,77 @@ CREATE TABLE IF NOT EXISTS `system_settings` (
   `setting_value` TEXT NULL,
   `updated_at` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+-- Fociz Kanban / Trello Borden, Lanes, Kaarten & Tijdspadkoppelingen
+CREATE TABLE IF NOT EXISTS `boards` (
+  `id` INT AUTO_INCREMENT PRIMARY KEY,
+  `title` VARCHAR(255) NOT NULL,
+  `description` TEXT NULL,
+  `created_by_id` INT NOT NULL,
+  `is_archived` TINYINT(1) NOT NULL DEFAULT 0,
+  `created_at` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  `updated_at` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  INDEX (`created_by_id`),
+  CONSTRAINT `fk_boards_creator` FOREIGN KEY (`created_by_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE IF NOT EXISTS `board_members` (
+  `id` INT AUTO_INCREMENT PRIMARY KEY,
+  `board_id` INT NOT NULL,
+  `user_id` INT NOT NULL,
+  `role` ENUM('ADMIN', 'MEMBER', 'VIEWER') NOT NULL DEFAULT 'MEMBER',
+  `created_at` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  UNIQUE KEY `uk_board_user` (`board_id`, `user_id`),
+  CONSTRAINT `fk_bmembers_board` FOREIGN KEY (`board_id`) REFERENCES `boards` (`id`) ON DELETE CASCADE,
+  CONSTRAINT `fk_bmembers_user` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE IF NOT EXISTS `board_lanes` (
+  `id` INT AUTO_INCREMENT PRIMARY KEY,
+  `board_id` INT NOT NULL,
+  `title` VARCHAR(100) NOT NULL,
+  `color` VARCHAR(30) NOT NULL DEFAULT 'slate',
+  `position` INT NOT NULL DEFAULT 0,
+  `created_at` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  `updated_at` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  INDEX (`board_id`, `position`),
+  CONSTRAINT `fk_blanes_board` FOREIGN KEY (`board_id`) REFERENCES `boards` (`id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE IF NOT EXISTS `board_cards` (
+  `id` INT AUTO_INCREMENT PRIMARY KEY,
+  `board_id` INT NOT NULL,
+  `lane_id` INT NOT NULL,
+  `title` VARCHAR(255) NOT NULL,
+  `description` TEXT NULL,
+  `assignee_id` INT NULL,
+  `priority` ENUM('P1', 'P2', 'P3') NOT NULL DEFAULT 'P2',
+  `color` VARCHAR(30) NOT NULL DEFAULT 'yellow',
+  `position` INT NOT NULL DEFAULT 0,
+  `created_by_id` INT NOT NULL,
+  `created_at` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  `updated_at` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  INDEX (`board_id`, `lane_id`, `position`),
+  INDEX (`assignee_id`),
+  CONSTRAINT `fk_bcards_board` FOREIGN KEY (`board_id`) REFERENCES `boards` (`id`) ON DELETE CASCADE,
+  CONSTRAINT `fk_bcards_lane` FOREIGN KEY (`lane_id`) REFERENCES `board_lanes` (`id`) ON DELETE CASCADE,
+  CONSTRAINT `fk_bcards_assignee` FOREIGN KEY (`assignee_id`) REFERENCES `users` (`id`) ON DELETE SET NULL,
+  CONSTRAINT `fk_bcards_creator` FOREIGN KEY (`created_by_id`) REFERENCES `users` (`id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE IF NOT EXISTS `board_card_schedules` (
+  `id` INT AUTO_INCREMENT PRIMARY KEY,
+  `card_id` INT NOT NULL,
+  `schedule_type` ENUM('SINGLE', 'DAILY_RANGE') NOT NULL DEFAULT 'SINGLE',
+  `start_date` DATE NOT NULL,
+  `end_date` DATE NOT NULL,
+  `start_time` VARCHAR(10) NOT NULL DEFAULT '14:00',
+  `end_time` VARCHAR(10) NOT NULL DEFAULT '15:00',
+  `days_of_week` VARCHAR(50) NULL DEFAULT '1,2,3,4,5',
+  `outlook_event_id` VARCHAR(255) NULL,
+  `outlook_synced_at` DATETIME NULL,
+  `created_at` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  `updated_at` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  UNIQUE KEY `uk_sched_card` (`card_id`),
+  CONSTRAINT `fk_bsched_card` FOREIGN KEY (`card_id`) REFERENCES `board_cards` (`id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;