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const { Sequelize, Op, DataTypes } = require("sequelize");
let seq = null;
let userModel = null;
async function connectToDB() {
if (!seq) {
seq = new Sequelize(
"postgres",
process.env.USERNAME,
process.env.PASSWORD,
{
port: 5432,
dialect: "postgres",
},
);
}
if (!userModel) {
userModel = seq.define(
"epitinder_users",
{
name: {
type: DataTypes.STRING,
},
age: {
type: DataTypes.INTEGER,
},
description: {
type: DataTypes.STRING,
},
},
{
// Other model options go here
timestamps: false,
},
);
}
return seq;
}
async function getAllUsers() {
return userModel.findAll({
attributes: ["id", "name", "age", "description"],
raw: true,
});
}
async function getUser(id) {
return userModel
.findOne({
attributes: ["id", "name", "age", "description"],
where: { id: id },
raw: true,
})
.catch(() => {
return null;
});
}
async function addUser(newUser) {
if (
newUser["id"] ||
!newUser["name"] ||
!newUser["age"] ||
!newUser["description"]
) {
return null;
}
return userModel
.create({
name: newUser.name,
age: newUser.age,
description: newUser.description,
})
.then((usr) => usr.dataValues)
.catch(() => null);
}
async function updateUser(user) {
if (
!user["id"] ||
!user["name"] ||
!user["age"] ||
!user["description"] ||
Object.keys(user).length > 4
) {
return null;
}
const res = await userModel
.findOne({
where: { id: user.id },
raw: true,
})
.catch(() => null);
if (!res) {
return null;
}
await userModel
.update(
{
name: user.name,
age: user.age,
description: user.description,
},
{
where: { id: user.id },
raw: true,
},
)
.catch(() => null);
return user;
}
async function deleteUser(id) {
let res = await userModel
.findOne({
where: { id: id },
raw: true,
})
.catch(() => null);
if (!res) {
return null;
}
res = {
id: res.id,
name: res.name,
age: res.age,
description: res.description,
};
await userModel.destroy({ where: { id: id } });
return res;
}
async function getAllUsersName() {
return userModel
.findAll({
attributes: ["name"],
raw: true,
})
.catch(() => {
return null;
});
}
async function getAllYoungAdults() {
return userModel
.findAll({
where: {
age: {
[Op.between]: [18, 29],
},
},
raw: true,
})
.catch(() => {
return null;
});
}
module.exports = {
getAllUsers,
getAllUsersName,
getAllYoungAdults,
getUser,
addUser,
deleteUser,
updateUser,
connectToDB,
};
async function main() {
await connectToDB();
//console.log(await getAllUsers());
//console.log(await getAllUsersName());
//console.log(await getAllYoungAdults());
//console.log(await getUser(5));
/*console.log(
await addUser({
name: "Martial Simon",
age: 19,
description: "Sex is like pointers, I like it raw",
}),
);*/
console.log(
await updateUser({
id: 56,
name: "Mickael Razzouk",
age: 21,
sex_appeal: 100,
description: "Le goat",
}),
);
//console.log(await getUser(5));
//console.log(await deleteUser(23));
}
main();
|
