design database

database/schema/project.db.ts

@@ -36,3 +36,69 @@ import {
 import { sql } from "drizzle-orm";
 
 import { id, createdAt, updatedAt } from "../common";
+import { user } from "./auth.db";
+
+// Levels table: Store information about each programming level
+export const level = pgTable("level", {
+  id,
+  title: varchar("title", { length: 255 }).notNull(),
+  description: text("description"),
+  difficulty: integer("difficulty").notNull(), // 1-5 scale
+  order: integer("order").notNull().unique(), // Level sequence
+  codeBlocks: jsonb("code_blocks"), // Available code blocks for this level (JSON array)
+  initialCode: jsonb("initial_code"), // Starting code structure (JSON)
+  solution: jsonb("solution"), // Correct solution (JSON, optional for validation)
+  rewards: jsonb("rewards"), // Rewards upon completion (JSON: points, badges, etc.)
+  isActive: boolean("is_active").default(true).notNull(),
+  createdAt,
+  updatedAt,
+});
+
+// User Level Progress: Track user progress through levels
+export const userLevelProgress = pgTable("user_level_progress", {
+  id,
+  userId: text("user_id").notNull().references(() => user.id, { onDelete: "cascade" }),
+  levelId: integer("level_id").notNull().references(() => level.id, { onDelete: "cascade" }),
+  completed: boolean("completed").default(false).notNull(),
+  score: integer("score"), // Points earned
+  timeTaken: integer("time_taken"), // Time in seconds
+  attempts: integer("attempts").default(1).notNull(),
+  codeSnapshot: jsonb("code_snapshot"), // Final code state (JSON)
+  completedAt: timestamp("completed_at"),
+  createdAt,
+  updatedAt,
+});
+
+// Achievements: Store available achievements
+export const achievement = pgTable("achievement", {
+  id,
+  title: varchar("title", { length: 255 }).notNull(),
+  description: text("description"),
+  icon: varchar("icon", { length: 255 }), // Icon URL or identifier
+  type: varchar("type", { length: 50 }).notNull(), // e.g., 'level_completion', 'streak', 'sharing'
+  condition: jsonb("condition"), // Criteria for unlocking (JSON)
+  points: integer("points").default(0).notNull(),
+  isActive: boolean("is_active").default(true).notNull(),
+  createdAt,
+  updatedAt,
+});
+
+// User Achievements: Track unlocked achievements per user
+export const userAchievement = pgTable("user_achievement", {
+  id,
+  userId: text("user_id").notNull().references(() => user.id, { onDelete: "cascade" }),
+  achievementId: integer("achievement_id").notNull().references(() => achievement.id, { onDelete: "cascade" }),
+  unlockedAt: timestamp("unlocked_at").defaultNow().notNull(),
+  createdAt,
+  updatedAt,
+});
+
+// Parent-Child Relations: For parents to monitor children (optional, assuming parents are also users)
+export const parentChildRelation = pgTable("parent_child_relation", {
+  id,
+  parentId: text("parent_id").notNull().references(() => user.id, { onDelete: "cascade" }),
+  childId: text("child_id").notNull().references(() => user.id, { onDelete: "cascade" }),
+  relation: varchar("relation", { length: 50 }).default("parent").notNull(), // e.g., 'parent', 'guardian'
+  createdAt,
+  updatedAt,
+});