Implementation of Extreme Programming (XP) Method in the
Web-Based Information System of the Mutiara Timor Waste Bank
Indah Octaviani Laleb
1
, Petrisia W. Sudarmadji
2
and Karel Malimahi
2
1
State Polytechnic of Kupang, Kupang, Indonesia
2
Department of Electrical Engineering, Computer and Network Engineering,
Kupang, Indonesia
karelmalimahi@gmail.com
Keywords: Waste Bank, Information Systems, Agile Software Development, Extreme Programming (XP).
Abstract: The increase in population contributes to the waste growth in Kupang. On this basis, a Waste Bank emerged
in the community to help overcome the waste problem. Mutiara Timor is one of the waste banks in Kupang
City that processes waste data daily; however, waste management is done manually by writing books. A
manual system causes ineffective data management, a myriad of data is not recorded, and data redundancy
occurs. With this problem, a computerized system is needed as an information system that can help and
facilitate officers' work in waste management. The web-based system is proposed to help manage data,
including incoming waste, customers, waste deposit transactions, waste sales and sales of recycled products.
Each Waste Bank has different service needs, so a method is needed that can adjust to the customer's needs.
By using Extreme Programming (XP), this information system can meet the needs and requests of the
Mutiara Timor. All the features in this system are adjusted to the customer's demands. Therefore, the
suitable method is Agile with extreme programming (XP) to suit changing customer needs. The output
resulting from this research is a web-based application that can conveniently manage waste at the Mutiara
Timor Waste Bank.
1 INTRODUCTION
According to the KBBI, waste is goods or objects
thrown away because they are no longer used.
Improper waste processing can adversely affect an
unhealthy environment. The high consumption of
people to meet their daily lives impacts the high
amount of waste wasted daily. Waste is problematic
for the whole community. The increase in
population helped contribute to the growth in waste
in Kupang city.
Mutiara Timor Kupang is one of the waste banks
located in Kupang City. Mutiara Timor processes
waste data daily, whereas waste management is still
manually done by writing on books. The officer
must record all transactions such as customer
registration, incoming goods, and customer savings
details. A manually done system causes ineffective
data management, so much data is not recorded, and
data redundancy occurs. With this problem, a
computerized system is needed as an information
system that can help and facilitate officers' work in
waste management.
The web-based Mutiara Timor Waste Bank
Information System is an information system
proposed to help manage data on waste banks,
including data collection of incoming waste,
customers, waste deposit transactions, waste sales
and sales of recycled products.
2 LITERATURE STUDY
2.1 Past Research
Research on the design and construction of waste
bank information systems has been carried out by
researchers before and applied in other regions.
Many previous researchers have designed and
researched web-based waste bank information
systems using different development methods. Some
of the researchers who use the Agile methodology
with Extreme Programming are as follows:
Laleb, I., Sudarmadji, P. and Malimahi, K.
Implementation of Extreme Programming (XP) Method in the Web-Based Information System of the Mutiara Timor Waste Bank.
DOI: 10.5220/0011861100003575
In Proceedings of the 5th International Conference on Applied Science and Technology on Engineering Science (iCAST-ES 2022), pages 643-650
ISBN: 978-989-758-619-4; ISSN: 2975-8246
Copyright © 2023 by SCITEPRESS – Science and Technology Publications, Lda. Under CC license (CC BY-NC-ND 4.0)
643
Table 1: Previous Research.
Name
(Year)
Heading Description
Abd. Rahman
Kuku
(2019)
Development of
Waste Bank
Management
Information System
in Gorontalo City
By using the Agile
Development
method with XP
(extreme
programming)
Coordinating with
the Waste Bank in
Gorontalo,
analyzing problems
in the Waste Bank
in Gorontalo and
adding features to
process waste
transaction data
collection
Hermanto, H.
(2021)
E-Waste as a form
of Smart Village;
Case Study
Analysis and
Design
By using the Agile
Development
method with XP
(extreme
programming),
UML (Unified
Modeling
language),
Database with
CDM (Conceptual
data model) and
PDM (Physical
Data Model)
Analyze and design
a system that can be
used to help
process waste data
Romadhoni,
K. (2020)
Implementation of
the Extreme
Programming (XP)
Method in the
Application of the
Kalirejo Business
Development
Waste Bank (BUK)
By using the Agile
Development
method with XP
(extreme
programming)
Make an
application that can
help the
administrative
system at Bank
Sampag
H Kalirejo Business
Development
Based on the studies that have been done, it can
be distinguished that the research carried out differs
in the features displayed and the type of software
used. The data collection information system at the
Waste Bank only exists in areas outside NTT, so the
Mutiara Timor Waste Bank Data Collection
Information system is the only waste bank
information system in Kupang City and even
East Nusa Tenggara.
The following is a research map path that will
start from making prototypes, product development
and IPR in the following year, namely 2023 and then
the application will circulate in the market.
Figure 1: Research path map.
2.2 Theoretical Foundation
2.2.1 Definition of System
The word system comes from Latin(systēma) and
Greek(sustēma) which means a whole consisting of
components or elements linked together to facilitate
the flow of information, matter, or energy to achieve
a goal. The system is also a unity of interconnected
parts within a region and has driving items.
According to Jacob, 2012 "A system is a network
of works of related procedures, gathered together to
carry out a certain activity or goal". "A system is a
collection of elements that interact to achieve a
specific goal. This system describes an event, and
real unity is a real object, such as places, objects,
and people that exist and happen" (Hartono, 2005).
From the above understanding, it can be
concluded that a system is a collection of
interconnected elements that are related, interact
with each other, and cooperate to achieve the same
goal. Furthermore, the procedure is made to
facilitate work that is usually done repeatedly;
therefore, a system that can run well is needed.
2.2.2 Definition of Information
"Information is an essential part both for individuals
and for the industry. Information is invaluable
because it can show other resources, such as
everything we can see and touch. Information is data
processed into a form that is more useful and
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meaningful to those who receive it" (Jacob,2012).
"Information is data that has been classified,
processed, or interpreted for use in decision-making".
(Sutabri, 2012).
From the above understanding, it can be
concluded that information is a collection of fact
data processed into meaningful forms that are useful
for anyone in need and used as knowledge or
decision makers.
2.2.3 Information System
From the understanding of systems and information
described earlier, an information system is an
orderly combination of resources, software,
hardware and data resources that collect, change,
and disseminate information in an organization.
"An Information System (SI) can be defined as a
collection of interconnected elements that form a
single entity to integrate data, process and store, and
distribute information. SI is a unity of elements that
interact systematically and regularly to create and
form information flows that support decision making
and exercise control throughout the company"
(Sutedjo, 2002).
"Information systems are components that are
interconnected and cooperate in collecting,
processing, storing and disseminating information to
support decision making, coordination, control, and
to provide an overview of activities within the
company". (Sungkono et al., 2008)
From the above understanding, it can be
concluded that an information system is an orderly
combination of resources, software, hardware, and
data resources that collect, change, and disseminate
information in an organization so that the decisions
taken will be more targeted.
3 METHODOLOGY
This information system aims to meet the needs and
demands of the Mutiara Timor Waste Bank. All the
features in this system are adjusted to the customer's
requests of the "Bank Sampah Mutiara Timor" so
that Agile software development with extreme
programming (XP) is the suitable method for this
study.
1. Agile Software Development
The Agile software development method is
based on iterative development where
collaboration between organized teams is
carried out (Pressman, 2010).
2. Extreme Programming (XP)
Kent Beck and Ward Cunningham proposed
the XP method. This method comes from
customer requests often changing rapidly,
resulting in a shorter change loop. In addition,
this method is very flexible for users (Widodo,
2008), and because this information system is
centred on customer desires, the XP method is
a solution for developing this product.
Figure 2: Process of Extreme Programming (XP).
There are four stages in the extreme programming
(XP) method, namely:
1. Planning
Planning is the initial stage where the team
arranges planning, such as problem
identification and analysis of customer needs to
plan the implementation schedule for building a
system.
2. Design
The next stage is designed where modelling
activities are carried out, starting from system
modelling, and architectural modelling to
database modelling.
3. Coding
This stage is an activity of applying to a model
made into the form of a user interface using
programming languages.
4. Testing
After the coding stage is completed, the system
testing stage is carried out to determine what
errors arise when the application runs and
whether the system is built according to user
needs.
Each process will be divided into several
iterations, and each iteration has different
periods until the system is completed in the
program and ready to be released to the
customer.
Implementation of Extreme Programming (XP) Method in the Web-Based Information System of the Mutiara Timor Waste Bank
645
4 RESULTS AND DISCUSSIONS
4.1 Design System
4.1.1 Planning
Planning is the initial stage where the team compiles
planning such as problem identification and analysis
of customer needs to plan the implementation
schedule for building a system. The process of
identical sizing the problem was carried out by a site
survey and an interview with the owner of the Timor
Pearl Waste Bank.
From the results of this survey, it is known that
some of the problems faced by this Waste Bank are
data collection of incoming waste, customer data,
and customer savings which are still carried out
manually by my mother, so it involves data
labelling. In addition, data done manually is also
vulnerable to human error, which can result in the
loss of customer data so that performance
measurements cannot be carried out. The next
problem is that customers cannot know their savings
data, so they have to check manually with the Waste
Bank admin.
1. Problem Identification
The problem today is that the absence of a
system at the Timor Pearl Waste Bank makes it
difficult for Mutiara Timor owners to monitor
customers, waste savings and the difficulty of
promoting the Waste Bank without help from
the website. This situation also causes
suboptimal waste and customer data collection
due to a large amount of human error and the
potential for data labelling.
2. Needs Analysis
a. Admins can log in waste data
b. Admins can input consumer data
c. Admins can input transactions
d. Admins can print reports
e. Customers can see savings
f. Customers can view transactions
4.1.2 Design
Based on the interview results, the next stage is
designed where modelling activities are carried out
at this stage, starting with system modelling and
database modelling. Modelling is done with UML
(Unified Modeling Language) by designing use
cases and activity diagrams. Two actors play a role
in this system, namely System Modeling.
Actor Definition
Admin Have the authority to have an account that is used to
input junk data
Customer Have the authority to view savings and information on
the website
Figure 3: Actor role.
Use Case Diagram Customer
Figure 4: Use Case Diagram Customer.
The diagram above illustrates the function of the
waste bank website for customers. Customers can
use this website to see important information about
the grouping of types of waste and see transaction
history and savings data.
Use Case Diagram Admin
Figure 5: Use Case Diagram admin.
The diagram above illustrates the functions and
services of admins to manage. To be able to manage
data, admins are required to log in. If successful,
they will enter the administrator page. On the
administrator's page, the Admin manages data such
as incoming waste, customers, waste deposit
transactions and reports.
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Customer Registration Activity Diagram
Figure 6: Activity Diagram of Customer Registration.
Before candidate customers save waste at the
Mutiara Timor waste bank, candidate customers
must register by opening the registration menu and
then the system will display the registration page.
Candidate participants then fill in the complete data
according to the requested data elements, then
validate and confirm by pressing the submit button.
Furthermore, if successful, the customer will enter
the customer's main page.
Figure 7: Activity Diagram of Customer Saving Page.
After the customer logs in, the customer can see
savings data, transaction history, and
information/knowledge about how to group
household waste.
Customer Savings Input Activity Diagram
Figure 8: Activity Diagram of Customer Saving Input
Page.
When managing savings data, the Admin must log in
to the system. After that, the Admin will go to the
main page of the administrator and fill in the savings
data element. After filling in the data, the Admin
then saves the data, and then a confirmation appears
that the data has been successfully kept.
Activity Diagram Input Data Transaction
Figure 9: Activity Diagram of Input Transaction Data.
Every data processing carried out by the
administrator must begin with Login when accessing
the website's main page. After logging in, the Admin
will enter the admin page, fill in, and save the waste
sales transaction data. A message will appear if all
the data has been kept and if the data is successfully
submitted.
Implementation of Extreme Programming (XP) Method in the Web-Based Information System of the Mutiara Timor Waste Bank
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Activity Diagram Report
Figure 10: Activity Diagram of Report.
In addition to admins inputting customer,
transaction, and incoming waste data, admins can
also print transaction reports. This transaction report
can be used for information materials and
transaction reports for the Mutiara Timor waste
bank.
4.2 Coding
4.2.1 Home Page
The Home view displays the home, about us menu.
Login contains information about the timor pearl
waste bank, photos, and the Login menu.
Figure 11: Home Page.
4.2.2 Login Page
The login page contains access for admins and
customers. Admins have access to manage data such
as incoming waste data, customer, and waste sales
transactions. Meanwhile, every customer who makes
transactions at Bank Samapah Mutiara Timor must
register and log in to see transaction history, savings
and essential information about groupings rubbish.
Figure 12: Login Page.
4.2.3 Customer View
The customer menu contains customer data in the
form of customer personal data, as well as the
amount of savings, type of transaction, transaction
date, and information.
Figure 13: Customer Page.
4.2.4 Admin Page
This page has several features, including customers,
transactions, and reports.
Figure 14: Admin Page.
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4.2.5 Customer Data Page in Admin
The Customer Menu displays the identity of
customers who register independently through the
registration menu, and this menu also has a menu to
change and delete customer data.
Figure 15: Customer Data in Admin Page.
4.2.6 Customer Deposit Page
This menu serves to add customer transactions, and
this page contains the customer's name, type of
waste, the weight of waste, price of waste, total cost,
date of commerce, and availability.
Figure 16: Customer Deposit Page.
4.2.7 Report Page
This page displays reports per semester or six
months. The data displayed includes customer name,
type of waste, weight, amount of savings,
transaction date, and information.
Figure 17: Report Page.
4.3 Testing
Testing list pages
The test carried out on this page is by testing each
textbox contained in the registration form, namely
the full name, address, email, telephone number, and
password used at the time of Login.
Table 2: Registration page blackbox testing.
No Process Design
Expected
Results
Result Information
1 Fill in the data
entirely and
according to the
type
The appropriate
prospective
customer data is
stored
Appropriate If all textboxes
are equipped
2 Fill in
incomplete data
The system will
give an
incomplete data
message
Appropriate
Testing on admin and customer login pages
The testing on this page is carried out on the
username and password validation function, whether
it runs according to its function. Here are the test
results of the participant login page:
Table 3: Blackbox testing of admin and customer
login pages.
No Process Design Expected Results Result Information
1 Enter your
Username and
Password
completely, then
click Login.
Go to the main
page
admin/customer
Appropriate
2 If the username
and password are
entered
incorrectly, then
click Login.
The system gives
the message,
"Your Username
or Password is
Wrong. Please
Repeat It!"
Appropriate
3 The username or
password is
emptied, and then
click sign in.
The system gives
the message
"Enter your
Username and
Password!"
Appropriate
Testing input waste deposit transaction
The tests on this page are carried out by testing each
textbox contained in the waste deposit form of
transaction data such as customer name, type of
waste, the weight of waste, price, total, transaction
date and description.
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649
Table 4: Testing input waste deposit transaction.
No. Process Design Expected Results Result Information
1 Fill in the data
entirely and
according to the
type
The appropriate
prospective
customer data is
stored
Appropriate
2 One or more
textboxes are not
filled in, and then
click save.
The system will
give an incomplete
data message
Appropriate
3 All textboxes are
emptied, and then
click save data
The system will
provide a message
to complete the
data first
Appropriate
5 CONCLUSIONS
Based on the results of research, it was found that
the Mutiara Timor Waste Bank Information System
can provide convenience to the owners and
customers to get information and knowledge related
to waste, making it easier to register and carry out
waste sales transactions. In addition, the Extreme
Programming (XP) method can be used to build or
develop software that matches customer demands.
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