c.js

gistfile1.txt

const {Command} = require('commander');
const api = require('./api')
const program = new Command();
const inquirer = require('inquirer');

program
    .option('-l, --list', '查看所有任务')
    .action(async (options, command) => {
        if (options.list) {
            await listAll()
        } else {
            await operation()
        }
    })

program.command('add <taskName>')
    .description('添加一个任务，请勿使用空格')
    .action((taskName) => {
        api.add(taskName)
    })

program.command('clear')
    .description('清空所有任务')
    .action(() => {
        api.clear()
    })

program.parse(process.argv);

async function operation() {
    let taskList = await api.listAll()
    if(taskList.length<1){
        console.log(`目前还没有数据，请使用 cli add<taskName> 命令添加`)
        api.close()
        return
    }
    inquirer.prompt(
        {
            type: 'list',
            name: 'index',
            message: '选择你的任务',
            choices: [...taskList.map((task, index) => {
                return {name: `${task.done ? '[x]' : '[_]'} ${index + 1} - ${task.title}`, value: index.toString()}
            }), {name: '+ 创建任务', value: '-2'}, {name: '退出', value: '-1'}]
        })
        .then((answer) => {
            askForAction(answer, taskList)
        });
}

async function askForAction(answer, taskList) {
    const index = parseInt(answer.index)
    if (index >= 0) {
        //选中了一个任务
        inquirer.prompt({
            type: 'list',
            name: 'action',
            message: '选择你的操作',
            choices: [
                {name: '标记为完成', value: 'done'},
                {name: '标记为未完成', value: 'notDone'},
                {name: '修改标题', value: 'update'},
                {name: '删除', value: 'delete'},
                {name: '退出', value: 'quit'},
            ]
        }).then(answer2 => {
            actions(answer2, index, taskList)
        })
    } else if (index === -2) {
        //创建任务
        inquirer.prompt({
            type: 'input',
            name: 'newTitle',
            message: '请输入任务名称',
        }).then(res => {
            api.add(res.newTitle)
        })
    }else{
        api.close()
    }
}

async function actions(answer2, index, taskList) {
    switch (answer2.action) {
        case 'quit':
            api.close()
            break;
        case 'done':
            api.updateStatus(taskList[index]._id,true)
            break;
        case 'notDone':
            api.updateStatus(taskList[index]._id,false)
            break;
        case 'update':
            inquirer.prompt({
                type: 'input',
                name: 'newTitle',
                message: '新的标题',
                default: taskList[index].title
            }).then(res => {
                api.updateTitle(taskList[index]._id, res.newTitle)
            })
            break;
        case 'delete':
            api.delete(taskList[index]._id)
            break;
    }
}

async function listAll() {
    const res = await api.listAll()
    if(res.length<1){
        console.log(`目前还没有数据，请使用 cli add<taskName> 命令添加`)
        api.close()
        return
    }
    res.forEach((task, index) => {
        console.log(`${res.done ? '[x]' : '[]'} ${index + 1} - ${task.title}`)
    })
    api.close()
}