bamazon is a command line application providing a store.
the following steps will get you going on your very own local install of bamazon
requirements:
-
node v7.4.0+
-
npm v4.0.5+
-
mysql v14.4+ with
- a user that can add databases, tables, and insert data into them
- a user that can read and insert data into existing tables on that database
- (can be the same user; root will work fine)
-
pull the repo, and add a keys.js file in the project root with the following code:
module.exports.key = {
host: '<<servername>>',
user: '<<username with read and insert permissions>>',
password : '<<password of that user>>',
database : 'bamazon'
};where <<server..>>, <<username ..> and <<password..>> are all replaced by the mysql server and user info discussed above. leave the database line alone!
- in mysql, run the query in initialize_database.sql.
- cd into the project root in cmd/terminal and
npm install - you should be ready to rock. bamazon can be started with the following three commands executed in the project's root directory:
- node bamazonCustomer.js
- node bamazonManager.js
- node bamazonSupervisor.js
happy shopping!
customers can browse and order items from the store:
$ node bamazonCustomer.js
Item ID Product Name Unit Price (USD)
------- ----------------------------- ----------------
1 Coffee Beans 16.99
2 Red Bull 30
3 Dog Food 53.5
4 Cat Food 12.99
5 Popcorn 5
6 Alagash White 12
7 How Google Works 19.99
8 New York Times Sunday Edition 5
9 eReader PaperColor 120
10 MacBook Pro 6700000
11 Kitten Degreaser 50.25
? Please enter the Item ID of the product you wish to purchase. 1
? Please enter the quantity you would like to purchase. 10
Placing your order!
Your order has been placed! Have a nice day!if the quantity you request isn't available, bamazon will let you know.
managers can check on store stock, replenish stock, or add new items to existing departments.
$ node bamazonManager.js
? Welcome, to Bamager, Bamazon's Management Application. How may I assist you? (Use arrow keys)
> View Products for Sale
View Low Inventory
Add to Inventory
Add New Productto choose an option, use the arrow keys or whatever bindings you have configured in bash.
View Products for Sale
Item ID Product Name Department Name Price Stock Quantity
------- ----------------------------- --------------- ------- --------------
1 Coffee Beans Grocery 16.99 100
2 Red Bull Grocery 30 50
3 Dog Food Pet Supplies 53.5 25
4 Cat Food Pet Supplies 12.99 48
5 Popcorn Grocery 5 200
6 Alagash White Liquor 12 10
7 How Google Works Books and Games 19.99 20
8 New York Times Sunday Edition Books and Games 5 150
9 eReader PaperColor Electronics 120 50
10 MacBook Pro Electronics 6700000 10as you can see, the 2 units of cat food have been removed from the original lot of 50.
the options to view low inventory and add to inventory work as you might expect.
$ node bamazonManager.js
? Welcome, to Bamager, Bamazon's Management Application. How may I assist you? Add to Inventory
? Please the product you wish to re-order. 4 Cat Food
? Please enter the quantity you would like to add. 2
Thank you. Inventory updated!
$ node bamazonManager.js
? Welcome, to Bamager, Bamazon's Management Application. How may I assist you? View Low Inventory
Everything's in good shape. There are no low products.if adding inventory, bamager will allow you to only replace items already listed for sale.
asking bamager for low inventory will display a list of all inventory with less than 5 units remaining.
the option to add a new product will prompt you to:
- free type in the product name
- choose the product department from the list of current departments
- talk to a supervisor if you need to add a new department
- the price of the item
- the quantity of the item
please remember that these prompts should be completed carefully. your customers will see whatever you type!
$ node bamazonManager.js
? Welcome, to Bamager, Bamazon's Management Application. How may I assist you? Add New Product
? Please enter the name of the new product Kitten Degreaser
? Please choose the department of the new product. 2 Pet Supplies
? Please enter the unit price of the new product 50.25
? Please enter the desired units of the new product 50
New product added!
$ node bamazonManager.js
? Welcome, to Bamager, Bamazon's Management Application. How may I assist you? View Products for Sale
Item ID Product Name Department Name Price Stock Quantity
------- ----------------------------- --------------- ------- --------------
1 Coffee Beans Grocery 16.99 100
2 Red Bull Grocery 30 50
3 Dog Food Pet Supplies 53.5 25
4 Cat Food Pet Supplies 12.99 48
5 Popcorn Grocery 5 200
6 Alagash White Liquor 12 10
7 How Google Works Books and Games 19.99 20
8 New York Times Sunday Edition Books and Games 5 150
9 eReader PaperColor Electronics 120 50
10 MacBook Pro Electronics 6700000 10
11 Kitten Degreaser Pet Supplies 50.25 50supervisors can see how the store is performing in sales, grouped by department, and add new departments.
$ node bamazonSupervisor.js
? Welcome to Superbamazon, bamazon's Supervison Application. What can I help you with today? (Use arrow keys)
> View Product Sales by Department
Create New Departmentviewing sales by department gives the following:
$ node bamazonSupervisor.js
? Welcome to Superbamazon, bamazon's Supervison Application. What can I help you with today? View Product Sales by Department
Department ID Department Name Overhead Costs Total Sales Profits
------------- --------------- -------------- ----------- -------
1 Grocery 2000 169.9 -1830.1
2 Pet Supplies 100 0 -100
3 Liquor 1000 0 -1000
4 Books and Games 50 0 -50
5 Electronics 150 0 -150the profits column includes overhead costs minus total sales. sales are added when purchases are made by customers.
adding a new department requires following a series of prompts. please be aware that the department name you type will be seen by your supervisors and customers. type carefully.
$ node bamazonSupervisor.js
? Welcome to Superbamazon, bamazon's Supervison Application. What can I help you with today? Create New Department
? Please enter the name of the new department. R&D
? Please enter the overhead costs of the new department. 1000000000
Department Added
messe@WINDOWS-08Q5E2V MINGW64 ~/UCLA_Bootcamp/homework/bamazon (master)
$ node bamazonSupervisor.js
? Welcome to Superbamazon, bamazon's Supervison Application. What can I help you with today? View Product Sales by Department
Department ID Department Name Overhead Costs Total Sales Profits
------------- --------------- -------------- ----------- -----------
1 Grocery 2000 169.9 -1830.1
2 Pet Supplies 100 0 -100
3 Liquor 1000 0 -1000
4 Books and Games 50 0 -50
5 Electronics 150 0 -150
6 R&D 1000000000 null -1000000000as you can see, the total sales column is null until some products are added to the department.