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Finished Workshop #1

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Finished Workshop #1

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b61c13c
reset assignment
DefinitelyNotNas Jan 7, 2025
4be683d
finished workshop
DefinitelyNotNas Jan 8, 2025
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241 changes: 119 additions & 122 deletions index.js
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Open in desktop
Original file line number Diff line number Diff line change
@@ -1,122 +1,119 @@
/**
* @typedef Item
* @property {number} id - this item's ID
* @property {string} name - name of this item
* @property {number} price - price of this item
* @property {string} category - the food group this item belongs to
* @property {number} quantity - number of this item in inventory
*/

// ------------------ Complete the functions written below ------------------------------ //

/**
* Prints out the name of each item in the given array.
* @param {Item[]} items - array of items
*/
function logNames(items) {
items.forEach((item) => {
console.log(`Your item is ${item.name}`);
});
}

/**
* @param {Item[]} items - array of items
* @returns {string[]} an array of item names in all uppercase
*/
function getUppercaseNames(items) {
let itemsUp = items.map((element) => element.name.toUpperCase());
return itemsUp;
}

/**
* @param {Item[]} items - array of items
* @param {number} id - id of the item to find
* @returns {Item} - the item in `items` with the given `id`
*/
function getItemById(items, id) {
const itemsFind = items.find((item) => item.id === id);
return itemsFind;
}

/**
* @param {Item[]} items - array of items
* @param {string} name - name of the item to find
* @returns {number} the price of the item named `name`
*/
function getItemPriceByName(items, name) {
for (let i = 0; i < items.length; i++) {
if (items[i].name === name) {
return items[i].price;
}
}
}

/**
* @param {Item[]} items - array of items
* @param {string} category
* @returns {Item[]} array of items that belong to the given `category`
*/
function getItemsByCategory(items, category) {
const itemsArr = items.filter((item) => item.category === category);
return itemsArr;
}

/**
* @param {Item[]} items - array of items
* @returns {number} the total quantity of all items
*/
function countItems(items) {
const count = items.reduce((acc, currentValue) => acc + 1, 0);
return count;
}

/**
* @param {Item[]} items - array of items
* @returns {number} the cost of all given items
*/
function calculateTotalPrice(items) {
const total = items.reduce(
(acc, currentValue) => acc + currentValue.price,
0
);
return total;
}

// --------------------- DO NOT CHANGE THE CODE BELOW ------------------------ //

/** @type {Item[]} */
const INVENTORY = [
{ id: 1, name: "apple", price: 1.75, category: "fruit", quantity: 100 },
{ id: 2, name: "banana", price: 0.25, category: "fruit", quantity: 137 },
{ id: 3, name: "orange", price: 1.0, category: "fruit", quantity: 10 },
{ id: 4, name: "broccoli", price: 3.0, category: "vegetable", quantity: 67 },
{ id: 6, name: "milk", price: 5.75, category: "dairy", quantity: 90 },
{ id: 7, name: "cheddar", price: 4.0, category: "dairy", quantity: 63 },
{ id: 8, name: "sourdough", price: 5.5, category: "grains", quantity: 81 },
];

console.log("Welcome! We carry the following items:");
logNames(INVENTORY);

console.log("Here are the names again in all uppercase:");
console.log(getUppercaseNames(INVENTORY));

console.log(`In total, we have ${countItems(INVENTORY)} items in stock.`);

const totalCost = calculateTotalPrice(INVENTORY);
console.log(
`It would cost $${totalCost?.toFixed(2)} to purchase everything in stock.`
);

const itemId = prompt("Enter the ID of an item:", "1");
console.log(`The item with id #${itemId} is:`);
console.log(getItemById(INVENTORY, +itemId));

const itemName = prompt("Enter the name of an item:", "apple");
console.log(
`The price of ${itemName} is ${getItemPriceByName(INVENTORY, itemName)}.`
);

const category = prompt("Enter a category you would like to see:", "fruit");
console.log(`The items in the ${category} category are:`);
console.log(getItemsByCategory(INVENTORY, category));
/**
* @typedef Item
* @property {number} id - this item's ID
* @property {string} name - name of this item
* @property {number} price - price of this item
* @property {string} category - the food group this item belongs to
* @property {number} quantity - number of this item in inventory
*/

// ------------------ Complete the functions written below ------------------------------ //

/**
* Prints out the name of each item in the given array.
* @param {Item[]} items - array of items
*/
function logNames(items) {
items.forEach(item => console.log(item.name));
}

/**
* @param {Item[]} items - array of items
* @returns {string[]} an array of item names in all uppercase
*/
function getUppercaseNames(items) {
return items.forEach((item) => console.log(item.name.toUpperCase()))

}

/**
* @param {Item[]} items - array of items
* @param {number} id - id of the item to find
* @returns {Item} - the item in `items` with the given `id`
*/
function getItemById(items, id) {
return items.find(item => item.id === id);
}

/**
* @param {Item[]} items - array of items
* @param {string} name - name of the item to find
* @returns {number} the price of the item named `name`
*/
function getItemPriceByName(items, name) {
const price = items.find(item => name === item.name)
return price ? price.price : undefined
// 1. find item by its name
// 2. use item name to get its price
// 3. return item price

}

/**
* @param {Item[]} items - array of items
* @param {string} category
* @returns {Item[]} array of items that belong to the given `category`
*/
function getItemsByCategory(items, category) {
return items.filter(item => category === item.category )
// 1. use filter to find the items
// 2. return items

}

/**
* @returns {number} the total quantity of all items
*/
function countItems(items) {
return items.reduce((sum, num) => sum + num.quantity, 0);

// 1. use reduce to add the sum of the quantites
// 2. return sum
}

/**
* @param {Item[]} items - array of items
* @returns {number} the cost of all given items
*/
function calculateTotalPrice(items) {
return items.reduce((sum, num) => sum + num.price, 0)
}

// --------------------- DO NOT CHANGE THE CODE BELOW ------------------------ //

/** @type {Item[]} */
const INVENTORY = [
{ id: 1, name: "apple", price: 1.75, category: "fruit", quantity: 100 },
{ id: 2, name: "banana", price: 0.25, category: "fruit", quantity: 137 },
{ id: 3, name: "orange", price: 1.0, category: "fruit", quantity: 10 },
{ id: 4, name: "broccoli", price: 3.0, category: "vegetable", quantity: 67 },
{ id: 6, name: "milk", price: 5.75, category: "dairy", quantity: 90 },
{ id: 7, name: "cheddar", price: 4.0, category: "dairy", quantity: 63 },
{ id: 8, name: "sourdough", price: 5.5, category: "grains", quantity: 81 },
];

console.log("Welcome! We carry the following items:");
logNames(INVENTORY);

console.log("Here are the names again in all uppercase:");
console.log(getUppercaseNames(INVENTORY));

console.log(`In total, we have ${countItems(INVENTORY)} items in stock.`);

const totalCost = calculateTotalPrice(INVENTORY);
console.log(
`It would cost $${totalCost?.toFixed(2)} to purchase everything in stock.`
);

const itemId = prompt("Enter the ID of an item:", "1");
console.log(`The item with id #${itemId} is:`);
console.log(getItemById(INVENTORY, +itemId));

const itemName = prompt("Enter the name of an item:", "apple");
console.log(
`The price of ${itemName} is ${getItemPriceByName(INVENTORY, itemName)}.`
);

const category = prompt("Enter a category you would like to see:", "fruit");
console.log(`The items in the ${category} category are:`);
console.log(getItemsByCategory(INVENTORY, category));
145 changes: 145 additions & 0 deletions indexBlank.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,145 @@
/**
* @typedef Item
* @property {number} id - this item's ID
* @property {string} name - name of this item
* @property {number} price - price of this item
* @property {string} category - the food group this item belongs to
* @property {number} quantity - number of this item in inventory
*/

// ------------------ Complete the functions written below ------------------------------ //

/**
* Prints out the name of each item in the given array.
* @param {Item[]} items - array of items
*/
function logNames(items) {}

/**
* @param {Item[]} items - array of items
* @returns {string[]} an array of item names in all uppercase
*/
function getUppercaseNames(items) {}

/**
* @param {Item[]} items - array of items
* @param {number} id - id of the item to find
* @returns {Item} - the item in `items` with the given `id`
*/
function getItemById(items, id) {}

/**
* @param {Item[]} items - array of items
* @param {string} name - name of the item to find
* @returns {number} the price of the item named `name`
*/
function getItemPriceByName(items, name) {}

/**
* @param {Item[]} items - array of items
* @param {string} category
* @returns {Item[]} array of items that belong to the given `category`
*/
function getItemsByCategory(items, category) {}

/**
* @returns {number} the total quantity of all items
*/
function countItems(items) {}

/**
* @param {Item[]} items - array of items
* @returns {number} the cost of all given items
*/
function calculateTotalPrice(items) {}

// --------------------- DO NOT CHANGE THE CODE BELOW ------------------------ //

/** @type {Item[]} */
const INVENTORY = [
{
id: 1,
name: "apple",
price: 1.75,
category: "fruit",
quantity: 100,
},
{
id: 2,
name: "banana",
price: 0.25,
category: "fruit",
quantity: 137,
},
{
id: 3,
name: "orange",
price: 1.0,
category: "fruit",
quantity: 10,
},
{
id: 4,
name: "broccoli",
price: 3.0,
category: "vegetable",
quantity: 67,
},
{
id: 6,
name: "milk",
price: 5.75,
category: "dairy",
quantity: 90,
},
{
id: 7,
name: "cheddar",
price: 4.0,
category: "dairy",
quantity: 63,
},
{
id: 8,
name: "sourdough",
price: 5.5,
category: "grains",
quantity: 81,
},
];

console.log("Welcome! We carry the following items:");
logNames(INVENTORY);

console.log("Here are the names again in all uppercase:");
console.log(getUppercaseNames(INVENTORY));

console.log(
`In total, we have ${countItems(INVENTORY)} items in stock.`
);

const totalCost = calculateTotalPrice(INVENTORY);
console.log(
`It would cost $${totalCost?.toFixed(
2
)} to purchase everything in stock.`
);

const itemId = prompt("Enter the ID of an item:", "1");
console.log(`The item with id #${itemId} is:`);
console.log(getItemById(INVENTORY, +itemId));

const itemName = prompt("Enter the name of an item:", "apple");
console.log(
`The price of ${itemName} is ${getItemPriceByName(
INVENTORY,
itemName
)}.`
);

const category = prompt(
"Enter a category you would like to see:",
"fruit"
);
console.log(`The items in the ${category} category are:`);
console.log(getItemsByCategory(INVENTORY, category));