Group 5 Class Project

ID	12345
Name	NotAirBnb
Description (Product Vision)	For travelers and renters who need a simple and efficient way to book short-term stays, The NotAirBnb platform provides a seamless experience. That ensures users can quickly log in, view available bookings, select a house, and complete payments effortlessly. Unlike other competitors with complex and time-consuming booking processes, our product guarantees instant confirmation and a hassle-free experience.
Primary Actor	User
Preconditions	User logged into the system
Postconditions	User has booked a property.

Functional Requirments Table

#	Feature	Description
1	User Login Page	Load a Login Page where users enter email and password for authentication. Successful login redirects to the Home Page. Includes a link to the Register Page.
2	Register Page	Load a Register Page where users create an account by entering email, password, confirm password, and selecting Traveler or Host. Successful registration redirects to the Home Page.
3	Home Page	Load the Home Page displaying a welcome message, destination search bar, and Featured Properties section with image, title, location, price per night, and review rating.
4	Listing Details Page	Display a detailed property page showing large image, title, location, number of bedrooms and bathrooms, description, review ratings, and booking options.
5	Cart Page	Display a summary cart showing listings selected by the user. Allow users to remove listings or submit a booking request for the property.
6	Navigation Bar	Display a navigation bar with NotAirbnb logo, Home link, Search link, and dynamic links based on login status (Login/Register vs My Listings, Bookings, Support, Mailbox, Cart, Welcome message, Logout).
7	Contact Help Page	Provide a Contact Help page with a form for users to submit support requests with email, subject, and message. Send a confirmation message upon submission.
8	My Listing Page	Display a My Listings Page where hosts can add new listings by entering title, description, price, location, and uploading photos. Existing listings are displayed if available.
9	My Booking Page	Display booking requests with status (Pending, Accepted, Denied, Payment), property and host info, and allow users to message hosts. Provide a Payments tab where users can securely add and manage their payment methods.
10	Mailbox Page	Display a Mailbox Page with Inbox and Sent tabs allowing users to manage messages. Accessible only after login.
11	User Review	Allow users to post ratings and optional comments for properties they have booked. Display reviews on the corresponding Listing Details Page.
12	Host Property Listing	Allow hosts to create and manage their own property listings including title, description, price, available dates, and images.
13	Host-User Chat	Enable messaging between users and hosts from the Listing Details Page. Display previous conversations between users and hosts.
14	Search Bar and Filter Feature	Provide a search bar and a Filters button to allow users to filter listings by price range, number of bedrooms, and minimum review rating. Update results after applying filters.

Detailed Functional Requirements

1. User Login Page: The system shall load a Login Page where users can enter their email and password for authentication. Upon successful authentication, users shall be logged in and redirected appropriately to the Listing Page. The Login Page shall also include a link that directs users to the Register Page if they want to create a new account.
2. Register Page: The system shall load a Register Page where new users can create an account. The Sign Up Page shall provide input fields for the user's email address, password, confirm password, and whether they are a Traveler or Host. Upon successful registration, the system shall save the user's credentials and redirect the user to the Home Page.
3. Home Page: The system shall load the Home Page displaying a welcome message, a destination search bar, and a Featured Properties section. Each property listing shall include an image, title, location, price per night, and review rating. Users shall be able to search for destinations using the search bar. The Home Page shall also include a prompt inviting users to "Sign in to List Your Property."
4. Listing Details Page: The system shall display a detailed page for each property when a user selects a listing from the Home Page. This page shall include a large image of the property, property title, location, number of bedrooms, number of bathrooms, a complete property description, and detailed review ratings. Users shall be able to select check-in and check-out dates, specify the number of guests, view the total price, and either add the property to their cart or proceed to booking. The page shall also display existing user reviews related to the property.
5. Cart Page: The system shall display a summary cart that displays the listings the user selects on the Home Page. The page shall include options to remove a selected listing and a submit a booking request to the property which would be displayed on the My Booking Page.
6. Navigation Bar: The system shall display a navigation bar at the top of each page, containing the NotAirbnb logo, Home link, and Search link. When the user is not logged in, the navigation bar shall display Login and Register links. When the user is logged in, the navigation bar shall instead display My Listings, Bookings, Support, Mailbox, a Cart icon showing the number of items in the cart, a Welcome message with the user's name, and a Logout button. Each item in the navigation bar, except the Search Bar, shall function as a clickable link that redirects users to the corresponding page. The Search Bar shall allow users to search for destinations. The navigation bar shall remain consistent and accessible across all pages of the website.
7. Contact Help Page: The system shall provide a Contact Help page where users can submit support requests. The page shall include a form that allows users to enter their email address, subject, and message. Upon submission, the system shall send a confirmation message to the users when the customer support team receives the request.
8. My Listing Page: The system shall display a My Listings Page where hosts can view and manage the properties they have listed. The page shall include an "Add New Listing" button that opens a form allowing hosts to input a title, description, price, location, and upload photos for a new property. Upon submitting the form, the new listing shall be added to the database. If the user already has existing listings, they shall be displayed on the page in a structured format.
9. My Booking Page: The system shall display a My Bookings Page where users can view the booking requests they have submitted for properties. Each booking request shall show its current status (Pending, Accepted, Denied, or Payment) along with details such as the property name, host name, booking dates, and location. Users shall be able to filter bookings based on status categories. A "Message" button shall be available for each booking request, allowing users to directly message the host. After a booking request is submitted, the host can accept or deny it, and the updated status shall be reflected on the user's My Bookings Page. Additionally, under the "Payments" tab, users shall be able to manage their payment methods by adding a card.
10. Mailbox Page: The system shall display a Mailbox Page where users can view and manage their messages. The page shall contain two tabs, Inbox and Sent, allowing users to toggle between received and sent messages. The Mailbox Page shall be accessible only after the user logs in and shall provide a simple and organized view of user communications.
11. User Review: The system shall allow users to post reviews for properties they have booked. Each review shall include a rating and an optional written comment. The system shall display submitted reviews on the corresponding Listing Details Page, maintaining a backlog of reviews for each property.
12. Host Property Listing: The system shall allow host to create and manage their property listings. Hosts can enter property titles, descriptions, price, available dates, and images.
13. Host-User Chat: The system shall provide a messaging feature that allows users to chat with hosts. Users shall be able to initiate a conversation from the Listing Detail Page to ask questions before booking. Hosts shall be able to view and respond to messages. The chat system shall display previous messages between the users and hosts.
14. Search Bar and Filter Feature: The system shall provide a search bar at the top of the Home Page allowing users to search for properties by title. A Filters button shall be available next to the search bar, allowing users to expand additional filtering options. Users shall be able to filter listings by setting a price range (minimum and maximum), selecting the number of bedrooms, and selecting a minimum review rating. After choosing the desired filters, users shall click an "Apply Filters" button to update the displayed property listings based on the selected search and filter criteria.

Non-Functional Requirements

#	Feature	Description
1	Start Page Load Time	The Start Page shall load within 2 seconds.
2	Login and Register Response Time	The Login and Register processes shall complete within 2 seconds.
3	Payment Processing Speed	Payment processing and redirection shall complete within 5 seconds.
4	UI Responsiveness	The UI shall adapt correctly across desktop, tablet, and mobile devices.
5	Data Security	All user data shall be securely stored and transmitted over HTTPS.
6	Role-Based Access Control	Hosts and users shall have distinct system permissions.
7	System Availability	The system shall maintain 99% availability, excluding scheduled maintenance.
8	Elastic Scalability	The system shall dynamically scale resources based on the number of active users.
9	Message History	The chat system shall retain and display the last messages even after a page reload.
10	Error Handling	The system shall provide clear and actionable error messages to users.

Main Success Scenario

1. User browses the homepage and views available property listings.
2. System displays a list of diverse avaiable homes
3. User selects a property from the list
4. User proceeds to the cart.
5. User clicks “Submit” button to send booking request to host
6. Host accepts booking request for property and the system successfully books the property

Activity Diagram