init

backend/src/index.ts

@@ -0,0 +1,21 @@
+import * as dotenv from 'dotenv'
+import { AppConfig } from './types/config'
+import { serverOf, serverStart } from './server'
+
+dotenv.config()
+
+const server = serverOf()
+
+const appConfig: AppConfig = {
+  host: process.env.HOST || 'localhost',
+  port: process.env.PORT ? parseInt(process.env.PORT) : 3000,
+  mongoConnectionString: process.env.MONGO_CONNECTION_STRING || ''
+}
+
+serverStart(appConfig)(server)
+  .then(() => {
+    console.log(`Server listening on ${appConfig.host}:${appConfig.port}`)
+  })
+  .catch((err) => {
+    console.error(err)
+  })

backend/src/models/todo.ts

@@ -0,0 +1,30 @@
+import mongoose from 'mongoose'
+
+import { Todo } from '../types/todo'
+
+const todoSchema: mongoose.Schema = new mongoose.Schema(
+  {
+    name: {
+      type: String,
+      required: true
+    },
+    description: {
+      type: String,
+      default: ''
+    },
+    status: {
+      type: Boolean,
+      required: true
+    }
+  },
+  {
+    timestamps: true
+  }
+)
+
+todoSchema.set('toJSON', {
+  virtuals: true,
+  versionKey: false
+})
+
+export default mongoose.models.Todo || mongoose.model<Todo>('Todo', todoSchema)

backend/src/plugins/mongodb.ts

@@ -0,0 +1,3 @@
+import mongoose from 'mongoose'
+
+export const establishConnection = (connectionString: string) => mongoose.connect(connectionString)

backend/src/repo/todo.ts

@@ -0,0 +1,14 @@
+import { ModifyResult, UpdateQuery } from 'mongoose'
+
+import TodoModel from '../models/todo'
+import { Todo, TodoBody } from '../types/todo'
+
+export const findAllTodos: () => Promise<Array<Todo>> = () => TodoModel.find().exec()
+
+export const createTodo: (todoBody: TodoBody) => Promise<Todo> = (todoBody) => TodoModel.create(todoBody)
+
+export const updateTodoById: (id: string, update: UpdateQuery<TodoBody>) => Promise<Todo | null> = (id, update) =>
+  TodoModel.findByIdAndUpdate(id, update, { new: true })
+
+export const deleteTodoById: (id: string) => Promise<ModifyResult<Todo>> = (id) =>
+  TodoModel.findByIdAndDelete(id).exec()

backend/src/routes/todo.ts

@@ -0,0 +1,67 @@
+import { FastifyInstance, RouteShorthandOptions } from 'fastify'
+
+import { addTodo, deleteTodo, getTodos, updateTodoStatus } from '../services/todo'
+import { TodoBody } from '../types/todo'
+
+export const TodoRouter = (server: FastifyInstance, opts: RouteShorthandOptions, done: (error?: Error) => void) => {
+  interface IdParam {
+    id: string
+  }
+  interface StatusBody {
+    status: boolean
+  }
+
+  server.get('/v1/todos', async (request, reply) => {
+    try {
+      const todos = await getTodos()
+      return reply.status(200).send({ todos })
+    } catch (error) {
+      server.log.error(`GET /v1/todos Error: ${error}`)
+      return reply.status(500).send(`[Server Error]: ${error}`)
+    }
+  })
+
+  server.post<{ Body: TodoBody }>('/v1/todos', async (request, reply) => {
+    try {
+      const todoBody = request.body
+      const todo = await addTodo(todoBody)
+      return reply.status(201).send({ todo })
+    } catch (error) {
+      server.log.error(`POST /v1/todos Error: ${error}`)
+      return reply.status(500).send(`[Server Error]: ${error}`)
+    }
+  })
+
+  server.put<{ Params: IdParam; Body: StatusBody }>('/v1/todos/:id', opts, async (request, reply) => {
+    try {
+      const id = request.params.id
+      const status = request.body.status
+      const todo = await updateTodoStatus(id, status)
+      if (todo) {
+        return reply.status(200).send({ todo })
+      } else {
+        return reply.status(404).send({ msg: `Not Found Todo:${id}` })
+      }
+    } catch (error) {
+      server.log.error(`PUT /v1/todos/${request.params.id} Error: ${error}`)
+      return reply.status(500).send(`[Server Error]: ${error}`)
+    }
+  })
+
+  server.delete<{ Params: IdParam }>('/v1/todos/:id', opts, async (request, reply) => {
+    try {
+      const id = request.params.id
+      const todo = await deleteTodo(id)
+      if (todo) {
+        return reply.status(204).send()
+      } else {
+        return reply.status(404).send({ msg: `Not Found Todo:${id}` })
+      }
+    } catch (error) {
+      server.log.error(`DELETE /v1/todos/${request.params.id} Error: ${error}`)
+      return reply.status(500).send(`[Server Error]: ${error}`)
+    }
+  })
+
+  done()
+}

backend/src/server.ts

@@ -0,0 +1,27 @@
+import fastify, { FastifyInstance, FastifyListenOptions } from 'fastify'
+import { AppConfig } from './types/config'
+import { establishConnection } from './plugins/mongodb'
+import { TodoRouter } from './routes/todo'
+
+export const serverOf: () => FastifyInstance = () => {
+  const server = fastify()
+
+  server.get('/ping', async (request, reply) => {
+    return reply.status(200).send({ msg: 'pong!' })
+  })
+
+  server.register(TodoRouter, { prefix: '/api' })
+
+  return server
+}
+
+export const serverStart: (appConfig: AppConfig) => (server: FastifyInstance) => Promise<FastifyInstance> =
+  (appConfig) => async (server) => {
+    await establishConnection(appConfig.mongoConnectionString)
+    const listenOptions: FastifyListenOptions = {
+      port: appConfig.port,
+      host: appConfig.host
+    }
+    await server.listen(listenOptions)
+    return server
+  }

backend/src/services/todo.ts

@@ -0,0 +1,25 @@
+import { ModifyResult } from 'mongoose'
+
+import * as repo from '../repo/todo'
+import { Todo, TodoBody } from '../types/todo'
+
+export const getTodos: () => Promise<Array<Todo>> = async () => {
+  const todos = await repo.findAllTodos()
+  return todos
+}
+
+export const addTodo: (todoBody: TodoBody) => Promise<Todo> = async (todoBody) => {
+  const newTodo = await repo.createTodo({
+    ...todoBody
+  })
+  return newTodo
+}
+
+export const updateTodoStatus: (id: string, newStatus: boolean) => Promise<Todo | null> = async (id, newStatus) => {
+  const todo = await repo.updateTodoById(id, { status: newStatus })
+  return todo
+}
+export const deleteTodo: (id: string) => Promise<ModifyResult<Todo>> = async (id) => {
+  const result = await repo.deleteTodoById(id)
+  return result
+}

backend/src/types/config.ts

@@ -0,0 +1,5 @@
+export type AppConfig = {
+  port: number
+  host: string
+  mongoConnectionString: string
+}

backend/src/types/todo.ts

@@ -0,0 +1,8 @@
+export type Todo = {
+  id: string
+  name: string
+  description: string
+  status: boolean
+}
+
+export type TodoBody = Omit<Todo, 'id'>