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JavaScript

// S34 - MongoDB CRUD Operations Activity Template:
/*
Sample solution:
async function addOneQuery(db) {
await (
//add query here
db.collectionName.insertOne({
field1: "value1",
field2: "value2"
}) //DO NOT ADD SEMICOLON.
);
return(db);
}
Note:
- Do note change the functionName or modify the exports
- Do not add semicolon after query
*/
// 1. Insert a single room (insertOne method) in the rooms collection:
async function addOneFunc(db) {
await (
db.hotel.insertMany({
name:"single",
accomodates:2,
price:1000,
description:"A simple room with all the basic neccessities",
rooms_availbale:10,
isAvaile:false
})
);
return(db);
};
// 2. Insert multiple rooms (insertMany method) in the rooms collection
// member2
async function addManyFunc(db) {
await (
db.hotel.insertMany({
name:"double",
accomodates:3,
price:2000,
description:"Aroom fit for small family going on vacation",
rooms_availbale:5,
isAvaile:false
})
);
return(db);
};
// 3. Use the findOne method to search for a room with the name double.
async function findRoom(db) {
return await (
db.hotel.findOne({name:"double"})
);
};
// 4. Use the updateOne method to update the queen room and set the available rooms to 0.
function updateOneFunc(db) {
db.hotel.updateOne({name:"queen"}){
rooms_availbale:0
}
};
// 4.5
function updateOneFunc(db) {
await(
db.hotel.insertMany({
$set:{
name:"queen",
accomodates:4,
price:4000,
description:"A room with queen sixed bed for a simple gateaway",
rooms_availbale:15,
isAvaile:false
}
});
);
return(db);
};
// 5. Use the deleteMany method to delete all rooms that have 0 rooms available.
function deleteManyFunc(db) {
db.hotel.deleteMany({rooms_availbale:0})
};
try{
module.exports = {
addOneFunc,
addManyFunc,
updateOneFunc,
deleteManyFunc,
findRoom
};
} catch(err){
};