enhancment complete with phase 10

apps/admin/src/lib/database/__tests__/drizzle.test.ts

@@ -1,181 +1,547 @@
 /**
  * @jest-environment node
  */
-import { DrizzleDatabase } from '../drizzle'
-import { DatabaseConfig } from '../types'
-import Database from 'better-sqlite3'
-import { drizzle } from 'drizzle-orm/better-sqlite3'
-import * as schema from '@fitai/database'
+import { DrizzleDatabase } from "../drizzle";
+import { DatabaseConfig } from "../types";
+import Database from "better-sqlite3";
+import { drizzle } from "drizzle-orm/better-sqlite3";
+import * as schema from "@fitai/database";
 
-describe('DrizzleDatabase', () => {
-    let db: DrizzleDatabase
-    let sqlite: Database.Database
-    let drizzleDb: ReturnType<typeof drizzle>
+describe("DrizzleDatabase", () => {
+  let db: DrizzleDatabase;
+  let sqlite: Database.Database;
+  let drizzleDb: ReturnType<typeof drizzle>;
 
-    beforeEach(async () => {
-        // Create in-memory SQLite database
-        sqlite = new Database(':memory:')
-        drizzleDb = drizzle(sqlite, { schema })
+  beforeEach(async () => {
+    // Create in-memory SQLite database
+    sqlite = new Database(":memory:");
+    drizzleDb = drizzle(sqlite, { schema });
 
-        const config: DatabaseConfig = {
-            type: 'sqlite',
-            connection: { filename: ':memory:' },
-            options: { logging: false }
+    const config: DatabaseConfig = {
+      type: "sqlite",
+      connection: { filename: ":memory:" },
+      options: { logging: false },
+    };
+
+    // Initialize DrizzleDatabase with the in-memory db
+    db = new DrizzleDatabase(config, drizzleDb as any);
+    await db.connect();
+  });
+
+  afterEach(async () => {
+    await db.disconnect();
+    sqlite.close();
+  });
+
+  describe("User Operations", () => {
+    it("should create and retrieve a user", async () => {
+      const newUser = {
+        email: "test@example.com",
+        firstName: "Test",
+        lastName: "User",
+        password: "password123",
+        role: "client" as const,
+      };
+
+      const createdUser = await db.createUser(newUser);
+      expect(createdUser).toBeDefined();
+      expect(createdUser.id).toBeDefined();
+      expect(createdUser.email).toBe(newUser.email);
+
+      const fetchedUser = await db.getUserById(createdUser.id);
+      expect(fetchedUser).toBeDefined();
+      expect(fetchedUser?.id).toBe(createdUser.id);
+      expect(fetchedUser?.email).toBe(createdUser.email);
+      // SQLite/Drizzle might truncate ms or handle dates differently in test env
+      expect(new Date(fetchedUser!.createdAt).getTime()).toBeLessThanOrEqual(
+        createdUser.createdAt.getTime(),
+      );
+      expect(new Date(fetchedUser!.updatedAt).getTime()).toBeLessThanOrEqual(
+        createdUser.updatedAt.getTime(),
+      );
+    });
+
+    it("should update a user", async () => {
+      const user = await db.createUser({
+        email: "update@example.com",
+        firstName: "Update",
+        lastName: "Me",
+        password: "password",
+        role: "client",
+      });
+
+      const updated = await db.updateUser(user.id, { firstName: "Updated" });
+      expect(updated?.firstName).toBe("Updated");
+
+      const fetched = await db.getUserById(user.id);
+      expect(fetched?.firstName).toBe("Updated");
+    });
+
+    it("should delete a user", async () => {
+      const user = await db.createUser({
+        email: "delete@example.com",
+        firstName: "Delete",
+        lastName: "Me",
+        password: "password",
+        role: "client",
+      });
+
+      const deleted = await db.deleteUser(user.id);
+      expect(deleted).toBe(true);
+
+      const fetched = await db.getUserById(user.id);
+      expect(fetched).toBeNull();
+    });
+  });
+
+  describe("Client Operations", () => {
+    it("should create and retrieve a client", async () => {
+      const user = await db.createUser({
+        email: "client@example.com",
+        firstName: "Client",
+        lastName: "User",
+        password: "password",
+        role: "client",
+      });
+
+      const newClient = {
+        userId: user.id,
+        membershipType: "basic" as const,
+        membershipStatus: "active" as const,
+        joinDate: new Date(),
+      };
+
+      const createdClient = await db.createClient(newClient);
+      expect(createdClient).toBeDefined();
+      expect(createdClient.userId).toBe(user.id);
+
+      const fetchedClient = await db.getClientById(createdClient.id);
+      expect(fetchedClient).toBeDefined();
+      expect(fetchedClient?.id).toBe(createdClient.id);
+      expect(fetchedClient?.userId).toBe(createdClient.userId);
+      expect(fetchedClient?.membershipType).toBe(createdClient.membershipType);
+    });
+  });
+
+  describe("Fitness Profile Operations", () => {
+    it("should create and retrieve a fitness profile", async () => {
+      const user = await db.createUser({
+        email: "profile@example.com",
+        firstName: "Profile",
+        lastName: "User",
+        password: "password",
+        role: "client",
+      });
+
+      const newProfile = {
+        userId: user.id,
+        height: 180,
+        weight: 75,
+        age: 30,
+        gender: "male" as const,
+        activityLevel: "moderately_active" as const,
+        fitnessGoals: ["weight_loss"],
+        exerciseHabits: "None",
+        dietHabits: "None",
+        medicalConditions: "None",
+      };
+
+      const createdProfile = await db.createFitnessProfile(newProfile as any);
+      expect(createdProfile).toBeDefined();
+      expect(createdProfile.userId).toBe(user.id);
+
+      const fetchedProfile = await db.getFitnessProfileByUserId(user.id);
+      expect(fetchedProfile).toBeDefined();
+      expect(fetchedProfile?.userId).toBe(user.id);
+      expect(fetchedProfile?.fitnessGoals).toEqual(
+        expect.arrayContaining(["weight_loss"]),
+      );
+    });
+  });
+
+  describe("Attendance Operations", () => {
+    it("should check in and check out", async () => {
+      const user = await db.createUser({
+        email: "attendance@example.com",
+        firstName: "Attendance",
+        lastName: "User",
+        password: "password",
+        role: "client",
+      });
+
+      const checkIn = await db.checkIn(user.id, "gym");
+      expect(checkIn).toBeDefined();
+      expect(checkIn.checkOutTime).toBeUndefined();
+
+      const activeCheckIn = await db.getActiveCheckIn(user.id);
+      expect(activeCheckIn).toBeDefined();
+      expect(activeCheckIn?.id).toBe(checkIn.id);
+
+      const checkOut = await db.checkOut(checkIn.id);
+      expect(checkOut?.checkOutTime).toBeDefined();
+
+      const activeCheckInAfter = await db.getActiveCheckIn(user.id);
+      expect(activeCheckInAfter).toBeNull();
+    });
+  });
+
+  describe("Batch Query Operations (Phase 9)", () => {
+    describe("getClientsByUserIds", () => {
+      it("should return clients for multiple users", async () => {
+        // Create users
+        const user1 = await db.createUser({
+          email: "batch1@example.com",
+          firstName: "Batch",
+          lastName: "User1",
+          password: "password",
+          role: "client",
+        });
+        const user2 = await db.createUser({
+          email: "batch2@example.com",
+          firstName: "Batch",
+          lastName: "User2",
+          password: "password",
+          role: "client",
+        });
+        const user3 = await db.createUser({
+          email: "batch3@example.com",
+          firstName: "Batch",
+          lastName: "User3",
+          password: "password",
+          role: "client",
+        });
+
+        // Create clients for user1 and user2 only
+        await db.createClient({
+          userId: user1.id,
+          membershipType: "basic",
+          membershipStatus: "active",
+          joinDate: new Date(),
+        });
+        await db.createClient({
+          userId: user2.id,
+          membershipType: "premium",
+          membershipStatus: "active",
+          joinDate: new Date(),
+        });
+
+        // Batch load clients
+        const clients = await db.getClientsByUserIds([
+          user1.id,
+          user2.id,
+          user3.id,
+        ]);
+
+        expect(clients).toHaveLength(2);
+        expect(clients.map((c) => c.userId).sort()).toEqual(
+          [user1.id, user2.id].sort(),
+        );
+        expect(clients.find((c) => c.userId === user3.id)).toBeUndefined();
+      });
+
+      it("should return empty array for empty input", async () => {
+        const clients = await db.getClientsByUserIds([]);
+        expect(clients).toEqual([]);
+      });
+
+      it("should return empty array when no clients exist for users", async () => {
+        const clients = await db.getClientsByUserIds(["nonexistent-id"]);
+        expect(clients).toEqual([]);
+      });
+    });
+
+    describe("getAttendanceHistoriesByUserIds", () => {
+      it("should return attendance records for multiple users", async () => {
+        const user1 = await db.createUser({
+          email: "attendance1@example.com",
+          firstName: "Attendance",
+          lastName: "User1",
+          password: "password",
+          role: "client",
+        });
+        const user2 = await db.createUser({
+          email: "attendance2@example.com",
+          firstName: "Attendance",
+          lastName: "User2",
+          password: "password",
+          role: "client",
+        });
+
+        // Create attendance records
+        await db.checkIn(user1.id, "gym");
+        await db.checkIn(user1.id, "gym");
+        await db.checkIn(user2.id, "gym");
+
+        const attendances = await db.getAttendanceHistoriesByUserIds([
+          user1.id,
+          user2.id,
+        ]);
+
+        expect(attendances.length).toBeGreaterThanOrEqual(3);
+        const user1Records = attendances.filter((a) => a.userId === user1.id);
+        const user2Records = attendances.filter((a) => a.userId === user2.id);
+        expect(user1Records.length).toBeGreaterThanOrEqual(2);
+        expect(user2Records.length).toBeGreaterThanOrEqual(1);
+      });
+
+      it("should return records ordered by checkInTime DESC", async () => {
+        const user = await db.createUser({
+          email: "order@example.com",
+          firstName: "Order",
+          lastName: "Test",
+          password: "password",
+          role: "client",
+        });
+
+        // Create multiple check-ins with slight delays
+        const checkIn1 = await db.checkIn(user.id, "gym");
+        await new Promise((resolve) => setTimeout(resolve, 10));
+        const checkIn2 = await db.checkIn(user.id, "gym");
+
+        const attendances = await db.getAttendanceHistoriesByUserIds([user.id]);
+
+        expect(attendances.length).toBeGreaterThanOrEqual(2);
+        // Most recent should be first
+        expect(
+          new Date(attendances[0].checkInTime).getTime(),
+        ).toBeGreaterThanOrEqual(
+          new Date(attendances[1].checkInTime).getTime(),
+        );
+      });
+
+      it("should return empty array for empty input", async () => {
+        const attendances = await db.getAttendanceHistoriesByUserIds([]);
+        expect(attendances).toEqual([]);
+      });
+    });
+
+    describe("getActiveCheckInsByUserIds", () => {
+      it("should return only active check-ins", async () => {
+        const user1 = await db.createUser({
+          email: "active1@example.com",
+          firstName: "Active",
+          lastName: "User1",
+          password: "password",
+          role: "client",
+        });
+        const user2 = await db.createUser({
+          email: "active2@example.com",
+          firstName: "Active",
+          lastName: "User2",
+          password: "password",
+          role: "client",
+        });
+
+        // User1: check in and check out
+        const checkIn1 = await db.checkIn(user1.id, "gym");
+        await db.checkOut(checkIn1.id);
+
+        // User2: check in only (active)
+        const checkIn2 = await db.checkIn(user2.id, "gym");
+
+        const activeCheckIns = await db.getActiveCheckInsByUserIds([
+          user1.id,
+          user2.id,
+        ]);
+
+        expect(activeCheckIns).toHaveLength(1);
+        expect(activeCheckIns[0].userId).toBe(user2.id);
+        expect(activeCheckIns[0].checkOutTime).toBeUndefined();
+      });
+
+      it("should return empty array when no active check-ins exist", async () => {
+        const user = await db.createUser({
+          email: "noactive@example.com",
+          firstName: "NoActive",
+          lastName: "User",
+          password: "password",
+          role: "client",
+        });
+
+        const checkIn = await db.checkIn(user.id, "gym");
+        await db.checkOut(checkIn.id);
+
+        const activeCheckIns = await db.getActiveCheckInsByUserIds([user.id]);
+        expect(activeCheckIns).toEqual([]);
+      });
+
+      it("should return empty array for empty input", async () => {
+        const activeCheckIns = await db.getActiveCheckInsByUserIds([]);
+        expect(activeCheckIns).toEqual([]);
+      });
+    });
+
+    describe("getRecommendationsByUserIds", () => {
+      it("should return recommendations for multiple users", async () => {
+        const user1 = await db.createUser({
+          email: "rec1@example.com",
+          firstName: "Rec",
+          lastName: "User1",
+          password: "password",
+          role: "client",
+        });
+        const user2 = await db.createUser({
+          email: "rec2@example.com",
+          firstName: "Rec",
+          lastName: "User2",
+          password: "password",
+          role: "client",
+        });
+
+        // Create recommendations
+        // Create fitness profiles (required for recommendations)
+        const profile1 = await db.createFitnessProfile({
+          userId: user1.id,
+          height: 180,
+          weight: 75,
+          age: 30,
+          gender: "male",
+          activityLevel: "moderately_active",
+        } as any);
+
+        const profile2 = await db.createFitnessProfile({
+          userId: user2.id,
+          height: 165,
+          weight: 60,
+          age: 25,
+          gender: "female",
+          activityLevel: "lightly_active",
+        } as any);
+
+        await db.createRecommendation({
+          userId: user1.id,
+          fitnessProfileId: profile1.id,
+          recommendationText: "Test recommendation 1",
+          activityPlan: "Activity plan 1",
+          dietPlan: "Diet plan 1",
+          status: "pending",
+        } as any);
+        await db.createRecommendation({
+          userId: user2.id,
+          fitnessProfileId: profile2.id,
+          recommendationText: "Test recommendation 2",
+          activityPlan: "Activity plan 2",
+          dietPlan: "Diet plan 2",
+          status: "pending",
+        } as any);
+
+        const recommendations = await db.getRecommendationsByUserIds([
+          user1.id,
+          user2.id,
+        ]);
+
+        expect(recommendations.length).toBeGreaterThanOrEqual(2);
+        const user1Recs = recommendations.filter((r) => r.userId === user1.id);
+        const user2Recs = recommendations.filter((r) => r.userId === user2.id);
+        expect(user1Recs.length).toBeGreaterThanOrEqual(1);
+        expect(user2Recs.length).toBeGreaterThanOrEqual(1);
+      });
+
+      it("should return empty array for empty input", async () => {
+        const recommendations = await db.getRecommendationsByUserIds([]);
+        expect(recommendations).toEqual([]);
+      });
+    });
+
+    describe("getFitnessGoalsByUserIds", () => {
+      it("should return fitness goals for multiple users", async () => {
+        const user1 = await db.createUser({
+          email: "goal1@example.com",
+          firstName: "Goal",
+          lastName: "User1",
+          password: "password",
+          role: "client",
+        });
+        const user2 = await db.createUser({
+          email: "goal2@example.com",
+          firstName: "Goal",
+          lastName: "User2",
+          password: "password",
+          role: "client",
+        });
+
+        // Create fitness goals
+        await db.createFitnessGoal({
+          userId: user1.id,
+          goalType: "weight_target",
+          title: "Lose weight",
+          targetValue: 10,
+          currentValue: 0,
+          unit: "kg",
+          targetDate: new Date(Date.now() + 30 * 24 * 60 * 60 * 1000),
+          status: "active",
+        } as any);
+        await db.createFitnessGoal({
+          userId: user2.id,
+          goalType: "strength_milestone",
+          title: "Gain muscle",
+          targetValue: 5,
+          currentValue: 0,
+          unit: "kg",
+          targetDate: new Date(Date.now() + 60 * 24 * 60 * 60 * 1000),
+          status: "active",
+        } as any);
+
+        const goals = await db.getFitnessGoalsByUserIds([user1.id, user2.id]);
+
+        expect(goals.length).toBeGreaterThanOrEqual(2);
+        const user1Goals = goals.filter((g) => g.userId === user1.id);
+        const user2Goals = goals.filter((g) => g.userId === user2.id);
+        expect(user1Goals.length).toBeGreaterThanOrEqual(1);
+        expect(user2Goals.length).toBeGreaterThanOrEqual(1);
+      });
+
+      it("should return empty array for empty input", async () => {
+        const goals = await db.getFitnessGoalsByUserIds([]);
+        expect(goals).toEqual([]);
+      });
+    });
+
+    describe("Batch Query Performance", () => {
+      it("should be more efficient than individual queries", async () => {
+        // Create 10 users with clients
+        const users = [];
+        for (let i = 0; i < 10; i++) {
+          const user = await db.createUser({
+            email: `perf${i}@example.com`,
+            firstName: "Perf",
+            lastName: `User${i}`,
+            password: "password",
+            role: "client",
+          });
+          await db.createClient({
+            userId: user.id,
+            membershipType: "basic",
+            membershipStatus: "active",
+            joinDate: new Date(),
+          });
+          users.push(user);
         }
 
-        // Initialize DrizzleDatabase with the in-memory db
-        db = new DrizzleDatabase(config, drizzleDb as any)
-        await db.connect()
-    })
+        const userIds = users.map((u) => u.id);
 
-    afterEach(async () => {
-        await db.disconnect()
-        sqlite.close()
-    })
+        // Batch query (should be 1 query)
+        const batchStart = Date.now();
+        const batchClients = await db.getClientsByUserIds(userIds);
+        const batchTime = Date.now() - batchStart;
 
-    describe('User Operations', () => {
-        it('should create and retrieve a user', async () => {
-            const newUser = {
-                email: 'test@example.com',
-                firstName: 'Test',
-                lastName: 'User',
-                password: 'password123',
-                role: 'client' as const
-            }
+        // Individual queries (should be 10 queries)
+        const individualStart = Date.now();
+        const individualClients = [];
+        for (const userId of userIds) {
+          const client = await db.getClientByUserId(userId);
+          if (client) individualClients.push(client);
+        }
+        const individualTime = Date.now() - individualStart;
 
-            const createdUser = await db.createUser(newUser)
-            expect(createdUser).toBeDefined()
-            expect(createdUser.id).toBeDefined()
-            expect(createdUser.email).toBe(newUser.email)
+        // Verify same results
+        expect(batchClients.length).toBe(individualClients.length);
+        expect(batchClients.length).toBe(10);
 
-            const fetchedUser = await db.getUserById(createdUser.id)
-            expect(fetchedUser).toBeDefined()
-            expect(fetchedUser?.id).toBe(createdUser.id)
-            expect(fetchedUser?.email).toBe(createdUser.email)
-            // SQLite/Drizzle might truncate ms or handle dates differently in test env
-            expect(new Date(fetchedUser!.createdAt).getTime()).toBeLessThanOrEqual(createdUser.createdAt.getTime())
-            expect(new Date(fetchedUser!.updatedAt).getTime()).toBeLessThanOrEqual(createdUser.updatedAt.getTime())
-        })
-
-        it('should update a user', async () => {
-            const user = await db.createUser({
-                email: 'update@example.com',
-                firstName: 'Update',
-                lastName: 'Me',
-                password: 'password',
-                role: 'client'
-            })
-
-            const updated = await db.updateUser(user.id, { firstName: 'Updated' })
-            expect(updated?.firstName).toBe('Updated')
-
-            const fetched = await db.getUserById(user.id)
-            expect(fetched?.firstName).toBe('Updated')
-        })
-
-        it('should delete a user', async () => {
-            const user = await db.createUser({
-                email: 'delete@example.com',
-                firstName: 'Delete',
-                lastName: 'Me',
-                password: 'password',
-                role: 'client'
-            })
-
-            const deleted = await db.deleteUser(user.id)
-            expect(deleted).toBe(true)
-
-            const fetched = await db.getUserById(user.id)
-            expect(fetched).toBeNull()
-        })
-    })
-
-    describe('Client Operations', () => {
-        it('should create and retrieve a client', async () => {
-            const user = await db.createUser({
-                email: 'client@example.com',
-                firstName: 'Client',
-                lastName: 'User',
-                password: 'password',
-                role: 'client'
-            })
-
-            const newClient = {
-                userId: user.id,
-                membershipType: 'basic' as const,
-                membershipStatus: 'active' as const,
-                joinDate: new Date()
-            }
-
-            const createdClient = await db.createClient(newClient)
-            expect(createdClient).toBeDefined()
-            expect(createdClient.userId).toBe(user.id)
-
-            const fetchedClient = await db.getClientById(createdClient.id)
-            expect(fetchedClient).toBeDefined()
-            expect(fetchedClient?.id).toBe(createdClient.id)
-            expect(fetchedClient?.userId).toBe(createdClient.userId)
-            expect(fetchedClient?.membershipType).toBe(createdClient.membershipType)
-        })
-    })
-
-    describe('Fitness Profile Operations', () => {
-        it('should create and retrieve a fitness profile', async () => {
-            const user = await db.createUser({
-                email: 'profile@example.com',
-                firstName: 'Profile',
-                lastName: 'User',
-                password: 'password',
-                role: 'client'
-            })
-
-            const newProfile = {
-                userId: user.id,
-                height: 180,
-                weight: 75,
-                age: 30,
-                gender: 'male' as const,
-                activityLevel: 'moderately_active' as const,
-                fitnessGoals: ['weight_loss'],
-                exerciseHabits: 'None',
-                dietHabits: 'None',
-                medicalConditions: 'None'
-            }
-
-            const createdProfile = await db.createFitnessProfile(newProfile as any)
-            expect(createdProfile).toBeDefined()
-            expect(createdProfile.userId).toBe(user.id)
-
-            const fetchedProfile = await db.getFitnessProfileByUserId(user.id)
-            expect(fetchedProfile).toBeDefined()
-            expect(fetchedProfile?.userId).toBe(user.id)
-            expect(fetchedProfile?.fitnessGoals).toEqual(expect.arrayContaining(['weight_loss']))
-        })
-    })
-
-    describe('Attendance Operations', () => {
-        it('should check in and check out', async () => {
-            const user = await db.createUser({
-                email: 'attendance@example.com',
-                firstName: 'Attendance',
-                lastName: 'User',
-                password: 'password',
-                role: 'client'
-            })
-
-            const checkIn = await db.checkIn(user.id, 'gym')
-            expect(checkIn).toBeDefined()
-            expect(checkIn.checkOutTime).toBeUndefined()
-
-            const activeCheckIn = await db.getActiveCheckIn(user.id)
-            expect(activeCheckIn).toBeDefined()
-            expect(activeCheckIn?.id).toBe(checkIn.id)
-
-            const checkOut = await db.checkOut(checkIn.id)
-            expect(checkOut?.checkOutTime).toBeDefined()
-
-            const activeCheckInAfter = await db.getActiveCheckIn(user.id)
-            expect(activeCheckInAfter).toBeNull()
-        })
-    })
-})
+        // Batch should be faster (or at least not significantly slower)
+        // In practice, batch is much faster, but in-memory DB might not show huge difference
+        expect(batchTime).toBeLessThanOrEqual(individualTime * 2);
+      });
+    });
+  });
+});

apps/admin/src/lib/database/drizzle.ts

@@ -21,8 +21,13 @@ import {
   desc,
   asc,
   sql,
+  inArray,
+  gte,
+  lte,
+  or,
+  like,
 } from "@fitai/database";
-import { SQL, or, like, inArray, gte, lte } from "drizzle-orm";
+import { SQL } from "drizzle-orm";
 import type { SortConfig, FilterCondition } from "../filtering";
 import { buildWhereConditions, buildSearchCondition } from "../filtering";
 import log from "../logger";
@@ -643,6 +648,17 @@ export class DrizzleDatabase implements IDatabase {
     return result ? this.mapClient(result) : null;
   }
 
+  async getClientsByUserIds(userIds: string[]): Promise<Client[]> {
+    if (userIds.length === 0) return [];
+
+    const results = await this.db
+      .select()
+      .from(clients)
+      .where(inArray(clients.userId, userIds))
+      .all();
+    return results.map((r) => this.mapClient(r));
+  }
+
   async getAllClients(): Promise<Client[]> {
     const results = await this.db
       .select()
@@ -1011,6 +1027,36 @@ export class DrizzleDatabase implements IDatabase {
     return history.find((a) => !a.checkOutTime) || null;
   }
 
+  async getAttendanceHistoriesByUserIds(
+    userIds: string[],
+  ): Promise<Attendance[]> {
+    if (userIds.length === 0) return [];
+
+    const results = await this.db
+      .select()
+      .from(attendance)
+      .where(inArray(attendance.userId, userIds))
+      .orderBy(desc(attendance.checkInTime))
+      .all();
+    return results.map((r) => this.mapAttendance(r));
+  }
+
+  async getActiveCheckInsByUserIds(userIds: string[]): Promise<Attendance[]> {
+    if (userIds.length === 0) return [];
+
+    // Get all attendance records for these users and filter for active check-ins
+    const results = await this.db
+      .select()
+      .from(attendance)
+      .where(inArray(attendance.userId, userIds))
+      .all();
+
+    // Filter for active check-ins (no checkout time)
+    return results
+      .filter((r) => !r.checkOutTime)
+      .map((r) => this.mapAttendance(r));
+  }
+
   // Recommendation operations
   async createRecommendation(
     data: Omit<Recommendation, "createdAt" | "approvedAt" | "approvedBy">,
@@ -1079,6 +1125,20 @@ export class DrizzleDatabase implements IDatabase {
     return result ? this.mapRecommendation(result) : null;
   }
 
+  async getRecommendationsByUserIds(
+    userIds: string[],
+  ): Promise<Recommendation[]> {
+    if (userIds.length === 0) return [];
+
+    const results = await this.db
+      .select()
+      .from(recommendations)
+      .where(inArray(recommendations.userId, userIds))
+      .orderBy(desc(recommendations.createdAt))
+      .all();
+    return results.map((r) => this.mapRecommendation(r));
+  }
+
   // Fitness Goals operations
   async createFitnessGoal(
     goalData: Omit<FitnessGoal, "createdAt" | "updatedAt">,
@@ -1190,6 +1250,18 @@ export class DrizzleDatabase implements IDatabase {
     return this.getFitnessGoalById(id);
   }
 
+  async getFitnessGoalsByUserIds(userIds: string[]): Promise<FitnessGoal[]> {
+    if (userIds.length === 0) return [];
+
+    const results = await this.db
+      .select()
+      .from(fitnessGoals)
+      .where(inArray(fitnessGoals.userId, userIds))
+      .orderBy(desc(fitnessGoals.createdAt))
+      .all();
+    return results.map((r) => this.mapFitnessGoal(r));
+  }
+
   async getDashboardStats(): Promise<{
     totalUsers: number;
     activeClients: number;

apps/admin/src/lib/database/types.ts

@@ -82,6 +82,7 @@ export interface IDatabase {
   createClient(client: Omit<Client, "id">): Promise<Client>;
   getClientById(id: string): Promise<Client | null>;
   getClientByUserId(userId: string): Promise<Client | null>;
+  getClientsByUserIds(userIds: string[]): Promise<Client[]>;
   getAllClients(): Promise<Client[]>;
   getClientsWithPagination(params: {
     page: number;
@@ -113,6 +114,8 @@ export interface IDatabase {
   ): Promise<Attendance>;
   checkOut(attendanceId: string): Promise<Attendance | null>;
   getAttendanceHistory(userId: string): Promise<Attendance[]>;
+  getAttendanceHistoriesByUserIds(userIds: string[]): Promise<Attendance[]>;
+  getActiveCheckInsByUserIds(userIds: string[]): Promise<Attendance[]>;
   getAllAttendance(): Promise<Attendance[]>;
   getAttendanceWithPagination(params: {
     page: number;
@@ -131,6 +134,7 @@ export interface IDatabase {
     >,
   ): Promise<Recommendation>;
   getRecommendationsByUserId(userId: string): Promise<Recommendation[]>;
+  getRecommendationsByUserIds(userIds: string[]): Promise<Recommendation[]>;
   getAllRecommendations(): Promise<Recommendation[]>;
   updateRecommendation(
     id: string,
@@ -147,6 +151,7 @@ export interface IDatabase {
     userId: string,
     status?: string,
   ): Promise<FitnessGoal[]>;
+  getFitnessGoalsByUserIds(userIds: string[]): Promise<FitnessGoal[]>;
   updateFitnessGoal(
     id: string,
     updates: Partial<FitnessGoal>,