get the server working

server/jest.config.js

@@ -19,6 +19,7 @@ module.exports = {
     'src/**/*.{ts,js}',
     '!**/__tests__/**',
     '!**/node_modules/**',
+    '!src/index.ts',
     '!src/printer/serial-printer.ts',
   ],
   coverageThreshold: {

server/src/db/repositories/__tests__/in-memory-repository.test.ts

@@ -0,0 +1,126 @@
+import { InMemoryRepository, InMemoryPrintHistoryRepository, InMemoryStepRepository } from '../in-memory-repository';
+
+describe('InMemoryRepository', () => {
+  let repository: InMemoryRepository<{ id: number; name: string }>;
+
+  beforeEach(() => {
+    repository = new InMemoryRepository();
+  });
+
+  it('should create and find items', async () => {
+    const item = await repository.create({ name: 'test' });
+    expect(item.id).toBe(1);
+    expect(item.name).toBe('test');
+
+    const found = await repository.findById(item.id);
+    expect(found).toEqual(item);
+  });
+
+  it('should return null for non-existent id', async () => {
+    const found = await repository.findById(999);
+    expect(found).toBeNull();
+  });
+
+  it('should update items', async () => {
+    const item = await repository.create({ name: 'test' });
+    const success = await repository.update(item.id, { name: 'updated' });
+    expect(success).toBe(true);
+
+    const updated = await repository.findById(item.id);
+    expect(updated?.name).toBe('updated');
+  });
+
+  it('should return false when updating non-existent item', async () => {
+    const success = await repository.update(999, { name: 'updated' });
+    expect(success).toBe(false);
+  });
+
+  it('should delete items', async () => {
+    const item = await repository.create({ name: 'test' });
+    const success = await repository.delete(item.id);
+    expect(success).toBe(true);
+
+    const found = await repository.findById(item.id);
+    expect(found).toBeNull();
+  });
+
+  it('should return false when deleting non-existent item', async () => {
+    const success = await repository.delete(999);
+    expect(success).toBe(false);
+  });
+
+  it('should list all items', async () => {
+    const item1 = await repository.create({ name: 'test1' });
+    const item2 = await repository.create({ name: 'test2' });
+
+    const all = await repository.findAll();
+    expect(all).toHaveLength(2);
+    expect(all).toContainEqual(item1);
+    expect(all).toContainEqual(item2);
+  });
+});
+
+describe('InMemoryPrintHistoryRepository', () => {
+  let repository: InMemoryPrintHistoryRepository;
+
+  beforeEach(() => {
+    repository = new InMemoryPrintHistoryRepository();
+  });
+
+  it('should find print history by task id', async () => {
+    const history1 = await repository.create({ task_id: 1, user_id: 1, printed_at: new Date() });
+    const history2 = await repository.create({ task_id: 1, user_id: 2, printed_at: new Date() });
+    await repository.create({ task_id: 2, user_id: 1, printed_at: new Date() });
+
+    const taskHistory = await repository.findByTaskId(1);
+    expect(taskHistory).toHaveLength(2);
+    expect(taskHistory).toContainEqual(history1);
+    expect(taskHistory).toContainEqual(history2);
+  });
+
+  it('should find print history by step id', async () => {
+    const history1 = await repository.create({ step_id: 1, user_id: 1, printed_at: new Date() });
+    const history2 = await repository.create({ step_id: 1, user_id: 2, printed_at: new Date() });
+    await repository.create({ step_id: 2, user_id: 1, printed_at: new Date() });
+
+    const stepHistory = await repository.findByStepId(1);
+    expect(stepHistory).toHaveLength(2);
+    expect(stepHistory).toContainEqual(history1);
+    expect(stepHistory).toContainEqual(history2);
+  });
+});
+
+describe('InMemoryStepRepository', () => {
+  let repository: InMemoryStepRepository;
+
+  beforeEach(() => {
+    repository = new InMemoryStepRepository();
+  });
+
+  it('should find steps by task id', async () => {
+    const step1 = await repository.create({ task_id: 1, name: 'Step 1', instructions: 'Test', order: 1, print_count: 0 });
+    const step2 = await repository.create({ task_id: 1, name: 'Step 2', instructions: 'Test', order: 2, print_count: 0 });
+    await repository.create({ task_id: 2, name: 'Step 3', instructions: 'Test', order: 1, print_count: 0 });
+
+    const taskSteps = await repository.findByTaskId(1);
+    expect(taskSteps).toHaveLength(2);
+    expect(taskSteps).toContainEqual(step1);
+    expect(taskSteps).toContainEqual(step2);
+  });
+
+  it('should increment print count', async () => {
+    const step = await repository.create({ task_id: 1, name: 'Step 1', instructions: 'Test', order: 1, print_count: 0 });
+
+    const success = await repository.incrementPrintCount(step.id);
+    expect(success).toBe(true);
+
+    const updated = await repository.findById(step.id);
+    expect(updated?.print_count).toBe(1);
+    expect(updated?.last_printed_at).toBeInstanceOf(Date);
+  });
+
+  it('should return false when incrementing non-existent step', async () => {
+    const success = await repository.incrementPrintCount(999);
+    expect(success).toBe(false);
+  });
+});

server/src/db/repositories/__tests__/task-repository.test.ts

@@ -0,0 +1,76 @@
+import { testDb } from '../../__tests__/setup';
+import { TaskRepository } from '../task-repository';
+import { Task } from '@shared/index';
+
+describe('TaskRepository (integration)', () => {
+  let repository: TaskRepository;
+  let groupId: number;
+
+  beforeEach(async () => {
+    // Clean up tasks and groups before each test
+    await testDb('tasks').delete();
+    await testDb('groups').delete();
+    // Insert a group for foreign key
+    [groupId] = await testDb('groups').insert({ name: 'Test Group' });
+    repository = new TaskRepository(testDb);
+  });
+
+  afterAll(async () => {
+    await testDb.destroy();
+  });
+
+  it('should create and find tasks by group id', async () => {
+    const task1: Omit<Task, 'id' | 'created_at' | 'updated_at'> = {
+      name: 'Task 1',
+      group_id: groupId,
+      print_count: 0,
+      last_printed_at: undefined,
+    };
+    const task2: Omit<Task, 'id' | 'created_at' | 'updated_at'> = {
+      name: 'Task 2',
+      group_id: groupId,
+      print_count: 0,
+      last_printed_at: undefined,
+    };
+    await testDb('tasks').insert([task1, task2]);
+    const found = await repository.findByGroupId(groupId);
+    expect(found).toHaveLength(2);
+    expect(found.map(t => t.name)).toEqual(expect.arrayContaining(['Task 1', 'Task 2']));
+  });
+
+  it('should find recent tasks', async () => {
+    const now = new Date();
+    const task1 = { name: 'Recent 1', group_id: groupId, print_count: 0, last_printed_at: undefined, created_at: new Date(now.getTime() - 2000).toISOString(), updated_at: new Date(now.getTime() - 2000).toISOString() };
+    const task2 = { name: 'Recent 2', group_id: groupId, print_count: 0, last_printed_at: undefined, created_at: new Date(now.getTime() - 1000).toISOString(), updated_at: new Date(now.getTime() - 1000).toISOString() };
+    const task3 = { name: 'Recent 3', group_id: groupId, print_count: 0, last_printed_at: undefined, created_at: now.toISOString(), updated_at: now.toISOString() };
+    await testDb('tasks').insert([task1, task2, task3]);
+    const found = await repository.findRecent(2);
+    expect(found).toHaveLength(2);
+    // Should be ordered by created_at desc, so the most recent first
+    expect(found[0].name).toBe('Recent 3');
+    expect(found[1].name).toBe('Recent 2');
+  });
+
+  it('should find frequent tasks', async () => {
+    const task1 = { name: 'Frequent 1', group_id: groupId, print_count: 10, last_printed_at: undefined };
+    const task2 = { name: 'Frequent 2', group_id: groupId, print_count: 5, last_printed_at: undefined };
+    await testDb('tasks').insert([task1, task2]);
+    const found = await repository.findFrequent(1);
+    expect(found).toHaveLength(1);
+    expect(found[0].name).toBe('Frequent 1');
+  });
+
+  it('should increment print count', async () => {
+    const [id] = await testDb('tasks').insert({ name: 'Print Task', group_id: groupId, print_count: 0, last_printed_at: undefined });
+    const result = await repository.incrementPrintCount(id);
+    expect(result).toBe(true);
+    const updated = await testDb('tasks').where({ id }).first();
+    expect(updated.print_count).toBe(1);
+    expect(updated.last_printed_at).toBeTruthy();
+  });
+
+  it('should return false when incrementing non-existent task', async () => {
+    const result = await repository.incrementPrintCount(99999);
+    expect(result).toBe(false);
+  });
+});

server/src/db/repositories/base-repository.ts

@@ -1,6 +1,6 @@
 import { Knex } from 'knex';
 
-export abstract class BaseRepository<T> {
+export abstract class BaseRepository<T extends { created_at?: Date; updated_at?: Date }> {
   protected tableName: string;
   protected db: Knex;
 
@@ -18,8 +18,16 @@ export abstract class BaseRepository<T> {
     return result || null;
   }
 
-  async create(data: Omit<T, 'id' | 'created_at' | 'updated_at'>): Promise<T> {
-    const [id] = await this.db(this.tableName).insert(data);
+  async create(data: Omit<T, 'id' | 'created_at' | 'updated_at'> & Partial<Pick<T, 'created_at' | 'updated_at'>>): Promise<T> {
+    const now = new Date();
+    const created_at = (data.created_at ?? now).toISOString();
+    const updated_at = (data.updated_at ?? now).toISOString();
+    const row = {
+      ...data,
+      created_at,
+      updated_at,
+    };
+    const [id] = await this.db(this.tableName).insert(row);
     return await this.findById(id) as T;
   }
 

server/src/db/repositories/in-memory-repository.ts

@@ -1,4 +1,3 @@
-import { BaseRepository } from './base-repository';
 import { PrintHistory, Step } from '@shared/index';
 
 export class InMemoryRepository<T extends { id: number }> {

server/src/graphql/__tests__/resolvers.test.ts

@@ -1,9 +1,8 @@
 import { jest } from '@jest/globals';
-import { Knex } from 'knex';
 import { testDb } from '../../db/__tests__/setup';
 import { resolvers } from '../resolvers';
 import { GroupRepository, TaskRepository, StepRepository, UserRepository, NoteRepository, PrintHistoryRepository, ImageRepository } from '../../db/repositories';
-import type { Printer, Task, Step } from '@shared/index';
+import type { Printer } from '@shared/index';
 
 describe('GraphQL Resolvers', () => {
   const context = {
@@ -222,6 +221,33 @@ describe('GraphQL Resolvers', () => {
         expect(result).toHaveLength(0);
       });
     });
+
+    describe('recentTasks', () => {
+      it('should return recent tasks', async () => {
+        const group = await groupRepo.create({ name: 'Test Group' });
+        const oldTimestamp = new Date('2020-01-01T00:00:00.000Z');
+        const newTimestamp = new Date('2021-01-01T00:00:00.000Z');
+        console.log('timestamps', oldTimestamp, newTimestamp);
+        await taskRepo.create({ name: 'Old Task', group_id: group.id, print_count: 0, created_at: oldTimestamp, updated_at: oldTimestamp });
+        await taskRepo.create({ name: 'New Task', group_id: group.id, print_count: 0, created_at: newTimestamp, updated_at: newTimestamp });
+        const result = await resolvers.Query.recentTasks(null, null, context);
+        console.log('result', JSON.stringify(result, null, 2));
+        expect(result.length).toBeGreaterThanOrEqual(2);
+        expect(result[0].name).toBe('New Task');
+        expect(result[1].name).toBe('Old Task');
+      });
+    });
+
+    describe('frequentTasks', () => {
+      it('should return frequent tasks', async () => {
+        const group = await groupRepo.create({ name: 'Test Group' });
+        await taskRepo.create({ name: 'Less Frequent', group_id: group.id, print_count: 1 });
+        await taskRepo.create({ name: 'More Frequent', group_id: group.id, print_count: 10 });
+        const result = await resolvers.Query.frequentTasks(null, null, context);
+        expect(result.length).toBeGreaterThanOrEqual(2);
+        expect(result[0].name).toBe('More Frequent');
+      });
+    });
   });
 
   describe('Mutations', () => {

server/src/graphql/resolvers.ts

@@ -1,5 +1,6 @@
 import { Knex } from 'knex';
 import { GroupRepository, TaskRepository, StepRepository, UserRepository, NoteRepository, PrintHistoryRepository, ImageRepository } from '../db/repositories';
+import { printTask, printStep } from '../printer/helpers';
 import type { Printer } from '@shared/index';
 
 interface Context {
@@ -148,44 +149,16 @@ export const resolvers = {
       });
     },
     printTask: async (_: any, { id, userId }: { id: string; userId: string }, { db, printer }: Context) => {
-      const taskRepo = new TaskRepository(db);
       const userRepo = new UserRepository(db);
-      const printHistoryRepo = new PrintHistoryRepository(db);
-      const task = await taskRepo.findById(parseInt(id));
-      if (!task) throw new Error('Task not found');
       const user = await userRepo.findById(parseInt(userId));
       if (!user) throw new Error('User not found');
-      await printer.printTask(task, db);
-      await printHistoryRepo.create({
-        user_id: parseInt(userId),
-        task_id: parseInt(id),
-        printed_at: new Date(),
-      });
-      await taskRepo.update(parseInt(id), {
-        print_count: (task.print_count || 0) + 1,
-        last_printed_at: new Date(),
-      });
-      return await taskRepo.findById(parseInt(id));
+      return await printTask(parseInt(id), parseInt(userId), db, printer);
     },
     printStep: async (_: any, { id, userId }: { id: string; userId: string }, { db, printer }: Context) => {
-      const stepRepo = new StepRepository(db);
       const userRepo = new UserRepository(db);
-      const printHistoryRepo = new PrintHistoryRepository(db);
-      const step = await stepRepo.findById(parseInt(id));
-      if (!step) throw new Error('Step not found');
       const user = await userRepo.findById(parseInt(userId));
       if (!user) throw new Error('User not found');
-      await printer.printStep(step, db);
-      await printHistoryRepo.create({
-        user_id: parseInt(userId),
-        step_id: parseInt(id),
-        printed_at: new Date(),
-      });
-      await stepRepo.update(parseInt(id), {
-        print_count: (step.print_count || 0) + 1,
-        last_printed_at: new Date(),
-      });
-      return await stepRepo.findById(parseInt(id));
+      return await printStep(parseInt(id), parseInt(userId), db, printer);
     },
   },
 

server/src/index.ts

@@ -7,6 +7,7 @@ import { resolvers } from './graphql/resolvers';
 import { createDb } from './db';
 import logger from './logger';
 import { createPrinter } from './printer';
+import { PrintHistoryRepository, StepRepository } from './db/repositories';
 import cors from 'cors';
 
 const app = express();
@@ -14,7 +15,9 @@ const port = process.env.PORT || 4000;
 
 async function startServer() {
   const db = createDb();
-  const printer = createPrinter();
+  const printHistoryRepo = new PrintHistoryRepository(db);
+  const stepRepo = new StepRepository(db);
+  const printer = createPrinter(printHistoryRepo, stepRepo);
 
   const server = new ApolloServer({
     typeDefs,

server/src/printer/helpers.ts

@@ -0,0 +1,61 @@
+import { Knex } from 'knex';
+import { Printer, Task, Step } from '@shared/index';
+import { TaskRepository, StepRepository, PrintHistoryRepository } from '../db/repositories';
+
+export async function printTask(
+  taskId: number,
+  userId: number,
+  db: Knex,
+  printer: Printer
+): Promise<Task> {
+  const taskRepo = new TaskRepository(db);
+  const printHistoryRepo = new PrintHistoryRepository(db);
+
+  const task = await taskRepo.findById(taskId);
+  if (!task) throw new Error('Task not found');
+
+  await printer.printTask(task, db);
+  await printHistoryRepo.create({
+    user_id: userId,
+    task_id: taskId,
+    printed_at: new Date(),
+  });
+
+  await taskRepo.update(taskId, {
+    print_count: (task.print_count || 0) + 1,
+    last_printed_at: new Date(),
+  });
+
+  const updatedTask = await taskRepo.findById(taskId);
+  if (!updatedTask) throw new Error('Task not found after update');
+  return updatedTask;
+}
+
+export async function printStep(
+  stepId: number,
+  userId: number,
+  db: Knex,
+  printer: Printer
+): Promise<Step> {
+  const stepRepo = new StepRepository(db);
+  const printHistoryRepo = new PrintHistoryRepository(db);
+
+  const step = await stepRepo.findById(stepId);
+  if (!step) throw new Error('Step not found');
+
+  await printer.printStep(step, db);
+  await printHistoryRepo.create({
+    user_id: userId,
+    step_id: stepId,
+    printed_at: new Date(),
+  });
+
+  await stepRepo.update(stepId, {
+    print_count: (step.print_count || 0) + 1,
+    last_printed_at: new Date(),
+  });
+
+  const updatedStep = await stepRepo.findById(stepId);
+  if (!updatedStep) throw new Error('Step not found after update');
+  return updatedStep;
+}

server/src/printer/index.ts

@@ -1,5 +1,4 @@
-import { Knex } from 'knex';
-import { Task, Step, Printer } from '@shared/index';
+import { Printer } from '@shared/index';
 import { TestPrinter } from './test-printer';
 import { SerialPrinter } from './serial-printer';
 import logger from '../logger';
@@ -15,19 +14,5 @@ export function createPrinter(printHistoryRepo: PrintHistoryRepository, stepRepo
   }
 }
 
-export async function printTask(task: Task, db: Knex): Promise<void> {
-  const printHistoryRepo = new PrintHistoryRepository(db);
-  const stepRepo = new StepRepository(db);
-  const printer = createPrinter(printHistoryRepo, stepRepo);
-  await printer.printTask(task, db);
-}
-
-export async function printStep(step: Step, db: Knex): Promise<void> {
-  const printHistoryRepo = new PrintHistoryRepository(db);
-  const stepRepo = new StepRepository(db);
-  const printer = createPrinter(printHistoryRepo, stepRepo);
-  await printer.printStep(step, db);
-}
-
 export { SerialPrinter } from './serial-printer';
 export { TestPrinter } from './test-printer';