Personal Expense Tracker

A simple and practical Personal Expense Tracker application built with Spring Boot. This application allows users to track their expenses, categorize them, and generate reports.

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Features

1. Expense Management: Add, view, and delete expenses.
2. Expense Categorization: Group expenses into categories such as Food, Travel, and Shopping.
3. Report Generation: Generate reports for total expenses by category.
4. In-Memory Database: Uses H2 database for lightweight storage.
5. RESTful APIs: Exposes endpoints for easy interaction.

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Technology Stack

• Java 17
• Spring Boot
  • Spring Web
  • Spring Data JPA
  • H2 Database
  • DevTools
• Maven

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Prerequisites

1. Java JDK 17 or higher
2. Maven
3. Visual Studio Code with Java Extension Pack

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Setup Instructions

1. Clone the repository:

   git clone https://github.com/thekartikeyamishra/Personal-Expense-Tracker
   cd expense-tracker

2. Import the project into your IDE (e.g., VSCode).

3. Build the project:

   mvn clean install

4. Run the application:

   mvn spring-boot:run

5. Access the H2 Database Console:

   • URL: http://localhost:8080/h2-console
   • JDBC URL: jdbc:h2:mem:expensetrackerdb

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API Endpoints

1. Add an Expense

Request: POST /expenses Body:

{
  "description": "Grocery Shopping",
  "category": "Food",
  "amount": 150.0
}

Response:

{
  "id": 1,
  "description": "Grocery Shopping",
  "category": "Food",
  "amount": 150.0
}

2. Get All Expenses

Request: GET /expenses Response:

[
  {
    "id": 1,
    "description": "Grocery Shopping",
    "category": "Food",
    "amount": 150.0
  }
]

3. Get Expenses by Category

Request: GET /expenses/category/{category} Response:

[
  {
    "id": 1,
    "description": "Grocery Shopping",
    "category": "Food",
    "amount": 150.0
  }
]

4. Delete an Expense

Request: DELETE /expenses/{id} Response: Status 204 (No Content)

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Configuration

Default Configuration (application.properties):

spring.datasource.url=jdbc:h2:mem:expensetrackerdb
spring.datasource.driverClassName=org.h2.Driver
spring.jpa.hibernate.ddl-auto=update
spring.h2.console.enabled=true
spring.h2.console.path=/h2-console

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Enhancements

1. Add authentication and user management.
2. Integrate with an external database like PostgreSQL.
3. Create a front-end interface with React or Angular.
4. Implement analytics and visual reports using charting libraries.

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• • LinkedIn : https://www.linkedin.com/in/thekartikeyamishra/