basic stracture and auth

in memory db :)

packages/database/src/index.ts

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+import Database from 'better-sqlite3'
+import { drizzle } from 'drizzle-orm/better-sqlite3'
+import * as schema from './schema'
+
+const sqlite = new Database('./fitai.db')
+export const db = drizzle(sqlite, { schema })
+
+export * from './schema'

packages/database/src/schema.ts

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+import { sqliteTable, text, integer, real } from 'drizzle-orm/sqlite-core'
+
+export const users = sqliteTable('users', {
+  id: text('id').primaryKey(),
+  email: text('email').notNull().unique(),
+  firstName: text('first_name').notNull(),
+  lastName: text('last_name').notNull(),
+  password: text('password').notNull(),
+  role: text('role', { enum: ['admin', 'trainer', 'client'] }).notNull().default('client'),
+  phone: text('phone'),
+  createdAt: integer('created_at', { mode: 'timestamp' }).notNull().$defaultFn(() => new Date()),
+  updatedAt: integer('updated_at', { mode: 'timestamp' }).notNull().$defaultFn(() => new Date()),
+})
+
+export const clients = sqliteTable('clients', {
+  id: text('id').primaryKey(),
+  userId: text('user_id').notNull().references(() => users.id, { onDelete: 'cascade' }),
+  membershipType: text('membership_type', { enum: ['basic', 'premium', 'vip'] }).notNull().default('basic'),
+  membershipStatus: text('membership_status', { enum: ['active', 'inactive', 'suspended'] }).notNull().default('active'),
+  joinDate: integer('join_date', { mode: 'timestamp' }).notNull().$defaultFn(() => new Date()),
+  lastVisit: integer('last_visit', { mode: 'timestamp' }),
+  emergencyContactName: text('emergency_contact_name'),
+  emergencyContactPhone: text('emergency_contact_phone'),
+  emergencyContactRelationship: text('emergency_contact_relationship'),
+  createdAt: integer('created_at', { mode: 'timestamp' }).notNull().$defaultFn(() => new Date()),
+  updatedAt: integer('updated_at', { mode: 'timestamp' }).notNull().$defaultFn(() => new Date()),
+})
+
+export const payments = sqliteTable('payments', {
+  id: text('id').primaryKey(),
+  clientId: text('client_id').notNull().references(() => clients.id, { onDelete: 'cascade' }),
+  amount: real('amount').notNull(),
+  currency: text('currency').notNull().default('USD'),
+  status: text('status', { enum: ['pending', 'completed', 'failed', 'refunded'] }).notNull().default('pending'),
+  paymentMethod: text('payment_method', { enum: ['cash', 'card', 'bank_transfer'] }).notNull(),
+  dueDate: integer('due_date', { mode: 'timestamp' }).notNull(),
+  paidAt: integer('paid_at', { mode: 'timestamp' }),
+  description: text('description').notNull(),
+  createdAt: integer('created_at', { mode: 'timestamp' }).notNull().$defaultFn(() => new Date()),
+  updatedAt: integer('updated_at', { mode: 'timestamp' }).notNull().$defaultFn(() => new Date()),
+})
+
+export const attendance = sqliteTable('attendance', {
+  id: text('id').primaryKey(),
+  clientId: text('client_id').notNull().references(() => clients.id, { onDelete: 'cascade' }),
+  checkInTime: integer('check_in_time', { mode: 'timestamp' }).notNull(),
+  checkOutTime: integer('check_out_time', { mode: 'timestamp' }),
+  type: text('type', { enum: ['gym', 'class', 'personal_training'] }).notNull().default('gym'),
+  notes: text('notes'),
+  createdAt: integer('created_at', { mode: 'timestamp' }).notNull().$defaultFn(() => new Date()),
+})
+
+export const notifications = sqliteTable('notifications', {
+  id: text('id').primaryKey(),
+  userId: text('user_id').notNull().references(() => users.id, { onDelete: 'cascade' }),
+  title: text('title').notNull(),
+  message: text('message').notNull(),
+  type: text('type', { enum: ['payment_reminder', 'attendance', 'promotion', 'system'] }).notNull(),
+  read: integer('read', { mode: 'boolean' }).notNull().default(false),
+  createdAt: integer('created_at', { mode: 'timestamp' }).notNull().$defaultFn(() => new Date()),
+})
+
+export type User = typeof users.$inferSelect
+export type NewUser = typeof users.$inferInsert
+export type Client = typeof clients.$inferSelect
+export type NewClient = typeof clients.$inferInsert
+export type Payment = typeof payments.$inferSelect
+export type NewPayment = typeof payments.$inferInsert
+export type Attendance = typeof attendance.$inferSelect
+export type NewAttendance = typeof attendance.$inferInsert
+export type Notification = typeof notifications.$inferSelect
+export type NewNotification = typeof notifications.$inferInsert