feat(plan): add work_plan_entries, work_plan_overrides, plan_category enum

prisma/migrations/20260605120000_add_work_plan/migration.sql

@@ -0,0 +1,61 @@
+-- Add work_plan_entries and work_plan_overrides tables plus the plan_category
+-- enum. Both tables are owned by users (Cascade on delete) and reference
+-- projects (SetNull). `created_by` uses Restrict so we never silently lose
+-- the audit trail of who created the entry.
+
+-- CreateTable
+CREATE TABLE `work_plan_entries` (
+    `id` INTEGER NOT NULL AUTO_INCREMENT,
+    `user_id` INTEGER NOT NULL,
+    `date_from` DATE NOT NULL,
+    `date_to` DATE NOT NULL,
+    `project_id` INTEGER NULL,
+    `category` ENUM('work', 'preparation', 'travel', 'leave', 'sick', 'training', 'other') NOT NULL DEFAULT 'work',
+    `note` VARCHAR(500) NOT NULL,
+    `created_by` INTEGER NOT NULL,
+    `created_at` TIMESTAMP(0) NULL DEFAULT CURRENT_TIMESTAMP(0),
+    `updated_at` TIMESTAMP(0) NULL DEFAULT CURRENT_TIMESTAMP(0),
+    `is_deleted` BOOLEAN NULL DEFAULT false,
+
+    INDEX `idx_wpe_user_from`(`user_id`, `date_from`),
+    INDEX `idx_wpe_user_to`(`user_id`, `date_to`),
+    INDEX `idx_wpe_project`(`project_id`),
+    INDEX `idx_wpe_dates`(`date_from`, `date_to`),
+    PRIMARY KEY (`id`)
+) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
+
+-- CreateTable
+CREATE TABLE `work_plan_overrides` (
+    `id` INTEGER NOT NULL AUTO_INCREMENT,
+    `user_id` INTEGER NOT NULL,
+    `shift_date` DATE NOT NULL,
+    `project_id` INTEGER NULL,
+    `category` ENUM('work', 'preparation', 'travel', 'leave', 'sick', 'training', 'other') NOT NULL,
+    `note` VARCHAR(500) NOT NULL,
+    `created_by` INTEGER NOT NULL,
+    `created_at` TIMESTAMP(0) NULL DEFAULT CURRENT_TIMESTAMP(0),
+    `updated_at` TIMESTAMP(0) NULL DEFAULT CURRENT_TIMESTAMP(0),
+    `is_deleted` BOOLEAN NULL DEFAULT false,
+
+    INDEX `idx_wpo_date`(`shift_date`),
+    UNIQUE INDEX `uniq_wpo_user_date`(`user_id`, `shift_date`),
+    PRIMARY KEY (`id`)
+) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
+
+-- AddForeignKey
+ALTER TABLE `work_plan_entries` ADD CONSTRAINT `work_plan_entries_user_id_fkey` FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON DELETE CASCADE ON UPDATE NO ACTION;
+
+-- AddForeignKey
+ALTER TABLE `work_plan_entries` ADD CONSTRAINT `work_plan_entries_project_id_fkey` FOREIGN KEY (`project_id`) REFERENCES `projects`(`id`) ON DELETE SET NULL ON UPDATE NO ACTION;
+
+-- AddForeignKey
+ALTER TABLE `work_plan_entries` ADD CONSTRAINT `work_plan_entries_created_by_fkey` FOREIGN KEY (`created_by`) REFERENCES `users`(`id`) ON DELETE RESTRICT ON UPDATE NO ACTION;
+
+-- AddForeignKey
+ALTER TABLE `work_plan_overrides` ADD CONSTRAINT `work_plan_overrides_user_id_fkey` FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON DELETE CASCADE ON UPDATE NO ACTION;
+
+-- AddForeignKey
+ALTER TABLE `work_plan_overrides` ADD CONSTRAINT `work_plan_overrides_project_id_fkey` FOREIGN KEY (`project_id`) REFERENCES `projects`(`id`) ON DELETE SET NULL ON UPDATE NO ACTION;
+
+-- AddForeignKey
+ALTER TABLE `work_plan_overrides` ADD CONSTRAINT `work_plan_overrides_created_by_fkey` FOREIGN KEY (`created_by`) REFERENCES `users`(`id`) ON DELETE RESTRICT ON UPDATE NO ACTION;