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index.js
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index.js
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const inquirer = require('inquirer');
const db = require('./db/connection');
const cTable = require('console.table');
const connect = require('./db/connection');
db.connect(err => {
if(err) throw err;
console.log('This is the Employee Tracker! ');
promptInit();
})
const promptInit = () => {
return inquirer
.prompt([
{
type: 'list',
name: 'action',
message: "What would you like to do? (arrows to find action, <enter> to submit)",
choices: ['View Employees', 'View Departments', 'View Roles', 'Add Department', 'Add Role', 'Add Employee', 'Update Current Employee', 'End' ]
},
])
.then((answer) => {
if(answer.action === 'Add Department') {
department();
} else if (answer.action === 'Add Role') {
addRole();
} else if (answer.action === 'Add Employee') {
addEmployee();
} else if (answer.action === 'Update Current Employee'){
getEmployee();
} else if (answer.action === 'View Employees'){
viewEmployees();
}else if (answer.action === 'View Departments'){
viewDepartments();
}else if (answer.action === 'View Roles'){
viewRoles();
} else if (answer.action === 'End') {
db.end();
}
});
}
function viewEmployees() {
var query = `SELECT * FROM employees
LEFT JOIN roles
ON employees.role_id = roles.id
LEFT JOIN department
ON department.id = roles.department_id`;
connect.query(query, function (err, res){
if (err) throw err;
console.table(res);
promptInit();
})
}
function viewRoles() {
var query = `SELECT * FROM roles
LEFT JOIN department
ON department.id = roles.department_id`;
connect.query(query, function (err, res){
if (err) throw err;
console.table(res);
promptInit();
})
}
//View the Department table
function viewDepartments() {
var query = `SELECT * FROM department`;
connect.query(query, function (err, res){
if (err) throw err;
console.table(res);
promptInit();
})
}
//Adding an Employee to the database
function addEmployee () {
return inquirer
.prompt([
{
type: 'input',
name: 'first_name',
message: 'What is the employees first name? (Required)',
validate: first_name => {
if (first_name) {
return true;
} else {
console.log('Please enter employee name!');
return false;
}
},
},
{
type: 'input',
name: 'last_name',
message: "What is the employee's last name?",
validate: last_name => {
if (last_name) {
return true;
} else {
console.log('Please enter employee last name!');
return false;
}
},
},
{
type: 'input',
name: 'role_id',
message: "What is the employee's role ID?",
},
])
.then(function (newEmployee) {
var query = `INSERT INTO employees SET ?`
connect.query(query,
{
first_name: newEmployee.first_name,
last_name: newEmployee.last_name,
role_id: newEmployee.role_id,
manager_id: newEmployee.manager_id,
},
function (err, res) {
if(err) throw err;
console.table(newEmployee);
console.log('Employee added to the Database');
return promptInit();
}
)
})
}
function department() {
return inquirer
.prompt([
{
type: 'input',
name: 'dep_name',
message: "What is the name of the department?",
validate: addDepartment => {
if (addDepartment) {
return true;
} else {
console.log('Please enter department!');
return false;
}
}
}
])
.then(function (newDep) {
var query = `INSERT INTO department SET ?`
connect.query(query,
{
dep_name: newDep.dep_name,
},
function (err, res) {
if(err) throw err;
console.table(newDep);
console.log((newDep.dep_name) + 'added to the Database');
return promptInit();
}
)
})
};
function addRole() {
var query = `SELECT * FROM departments`
// return connect.query(query,
// function (err, res) {
// if(err) throw err;
// return res;
// }
// )
connect.promise().query(query)
.then( ([rows,fields]) => {
console.log(rows);
return rows;
})
.then(function (departments) {
return inquirer
.prompt([
{
type: 'input',
name: 'title',
message: "What is the title of the role?",
validate: addRole => {
if (addRole) {
return true;
} else {
console.log('Please enter role title!');
return false;
}
}
},
{
type: 'input',
name: 'salary',
message: "What is the salary of the role?",
},
{
type: 'list',
name: 'department',
message: "What Department?",
choices: departments.map(dep => ({
name: dep.dep_name,
value: dep.id
}))
},
])
})
.then(function (newRole) {
console.log(newRole)
var query = `INSERT INTO roles SET ?`
connect.query(query,
{
title: newRole.title,
salary: newRole.salary,
department_id: newRole.department
},
function (err, res) {
if(err) throw err;
console.table(newRole);
console.log('Role added to the Database');
return promptInit();
}
)
})
};
function getEmployee (employees, roles){
var query = `SELECT * FROM employees`;
connect.query(query, function (err, res) {
if(err) throw err;
const employees = res.map(({id, first_name, last_name}) => ({
value: id, name: `${first_name} ${last_name}`
}));
getRole(employees);
})
}
//show all roles
function getRole(employees) {
var query = `SELECT * FROM roles`;
connect.query(query, function (err, res) {
if(err) throw err;
const roles = res.map(({id, title}) => ({
value: id, name: `${id} ${title}`
}));
// console.table(roles);
updateEmployee(employees, roles)
})
}
function updateEmployee(employees, roles) {
inquirer.prompt([
{
type: 'list',
name: 'updatedEmp',
message: "Which employee would you like to update?",
choices: employees,
},
{
type: 'list',
name: 'updatedRole',
message: "What is the employee's updated role?",
choices: roles,
},
{
type: 'input',
name: 'updatedSalary',
message: "What is the salary of the updated role?",
},
])
.then(function (answer) {
var query = `UPDATE employees SET role_id = ? WHERE id = ?`
connect.query(query,
[
answer.updatedEmp, answer.updatedRole
],
function (err, res) {
if(err) throw err;
console.log('Employee has been updated')
console.table(answer);
promptInit();
})
})
};