LunchBox:- A Web And Mobile Application

International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056
Volume: 09 Issue: 11 | Nov 2022 www.irjet.net p-ISSN: 2395-0072
© 2022, IRJET | Impact Factor value: 7.529 | ISO 9001:2008 Certified Journal | Page 568
LunchBox:- A Web And Mobile Application
Alekh Shirke1, Mayur Mahajan2, Vaibhav Wani3, Sanket Magar4,S.H.Lokhande5
*1,2,3,4 SPPU, Department of Computer Engineering, Sinhgad Institute Of Technology And Science,
Pune, Maharashtra, India
*5
Assistant Prof, Department of Computer Engineering, Sinhgad Institute Of Technology And Science,
Pune, Maharashtra, India
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Abstract – Now-a-days lot of people migrate from their
native place or stay away form their familes either to earn or
for education.These peoplemostlydependonMessesandsmall
household kitchens for food but most of the time theydon’tget
what they want or pay for.LunchBox is platform that will help
these people to find what menu is avaible in the nearby Mess
or kicthens and at what price.It will help them getinformation
about quality of the food the mess serve by looking at the
reviews. Mess owners can also increasetheirreachbybringing
listing their mess on the platform. For messes working on the
monthly mess system the platform is equipped with QR based
attendance system that will help them keep track of their
customers attendance and fees they need to pay.
Key Words: LunchBox, Menu, Mess, Restaurants,
Flutter, QR attendance, Customer, Business Owner
1. INTRODUCTION
Students residing at hostel depend on Messes or some
household kitchens for their food. Everyday, there is a
different menu at different messes. So, most of the times,
visiting different messes to know about the menu is a time
consuming process. Lunchbox is a platform to get
information about daily menu at different nearby messes,
where they can choose the mess dependingonthemenuand
reviews added by people. User can get information about
price, contact details and can locate to the mess easily with
the help of navigation support.
This platform will be helpful for mess owners to increase
their reach and attract more customers. Mess owners can
run their advertisements on the platform for marketing
purpose. For Monthly mess systems software will have a QR
based attendance system that will replace the traditional
register based attendance system. Also, customers will be
able to book their seat a day before which will be helpful for
mess owners to decide quantity of food to prepare. To make
the platform compatible with Android as well as IoS, flutter
language will be used in development. Machine learning
algorithms will help in providing various application
features to the software like sentiment analysis which will
analyze the negative and positive reviews.
1.1 Customer Benefit’s
Customers can see the menus of the all the messes near by
just sitting at home on their phones and decide where they
wish to have their food saving them a lot of time of visiting
different messes. They can see the ratings and reviewsgiven
by other customers to the mess based on which they can
predict the quality of the food available there. Customers
who are new to the locality can even get navigation to the
mess they select.
For the customers who prefer joining messonmonthlybasis
they can use a QR based scanner with which they can record
their attendance of the day on their mess but for that the
mess owner should be registered user of attendance system
on the app.
1.2 Mess Owner/Merchant Benefit’s
This platform will help mess owners increase their reach
and get more customers. More reach meansMorecustomers
and more income.
For the Mess owners who run their mess on the montly
system can register their messforQRattendancesystemand
they will be able to record the record the data of their
customers on platform itsel they can see when the customer
was present and how many days does the customerhaveleft
from his monthly quota.
2. System Design
The System Architecture in Fig. 2.1 gives an overview of the
approach toward building a basic version of the intended
features for LunchBox web and mobile application.
The workflow works in following manner –
1. Upload the menu- Mess owners upload the menu to
the server.
2. Record Storgae- Theinformationregardingthemess
is matched and menu is updated for the particular Mess

Fig 2.1: System Architecture of Lunch box
3. Display of Information-Loaction of theMessandthe
Menu is made visible to the Customers on the software.
4. Mess rating - Customers rate the Mess based on
which high rating mess are displayed first.
5. QR Based Record – To record attendance of a
Monthly Customer.
3. Data Flow Diagram
A data-flow diagram (DFD) is a way of representing a flow
of a data of a process or a system (usually an information
system). The DFD also provides information about the
outputs and inputs of each entity and the process itself.
1. DFD (Level 0)
The figure 3.1 shows the abstract level of data flow in this
project.
Fig 3.1:-Data Flow level 0
It is also known as a context diagram. It’s designed to be an
abstract view, showing the system as a single process with
its relationship to external entities. It represents the entire
system as a single bubble with input and output data
indicated by incoming/outgoing arrows.
In figure 3.2 Customer Logs-in to the system and Mess
Owners Update the Menu which are Made visible to the
Customer as output.
2. DFD (Level 1)
In level-1 DFD, the context diagram is decomposed into
multiple bubbles/processes.
Fig 3.2:-Data Flow Diagram Level 1
3. DFD (Level-2)
Level-2 DFD goes one step deeper intopartsof 1-level DFD.It
is used to plan or record the specific/necessary detail about
the system’s functioning. In figure 4.4 the detailed process
extended from DFD (Level-1) are shown.
4. UML Diagrams
4.1 Use Case Diagram
Actor in the use case diagram is
• Student
• Merchant
Figure 4.1 depicts the use case diagram which shows
the interaction between the actors and the system.

Fig 5.2: UML Use Case Diagram
4.2 Activity Diagram
Figure 4.6 illustrate the flow of control in the system and
shows the steps involved in the execution of a use case. User
Activity processes of different functionalities of the
LunchBox Mobile Application are shown in the Activity
Diagram below.
relationship be-tween classes. Each class contains some
attributes and functions. The system is the interface in the
class diagram to be used with the Application.
Fig 4.3: UML Class Diagram
5. CONCLUSIONS
Lunch Box Platform for Mess Owner and Clients will solve
the practical problem of easily finding nearby Mess.
Customer can also give ratings to menu. This platform will
allow the users to check the latest menus on the registered
Mess and Kitchens Near by without visiting them in person.
Portal enables the Mess owners to update their menus and
rates daily basis. Customers can see these changes. In future
scope, we can add Machine learning and Artificial
Intelligence to make the platform more advanced.
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Fig 4.2: UML Activity Diagram
4.3 Class Diagram
In figure 4.8 the class diagramisshownwhichrepresentsthe

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