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https://github.com/nueluzoma/fitness-plus

Fitness-plus offers gym memberships with various billing structures. This backend system manages memberships, including annual and monthly billing, as well as optional add-on services. The API also handles invoicing for new members, sends email reminders for upcoming payments, and includes a cron job to check for upcoming membership fees.
https://github.com/nueluzoma/fitness-plus

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Fitness-plus offers gym memberships with various billing structures. This backend system manages memberships, including annual and monthly billing, as well as optional add-on services. The API also handles invoicing for new members, sends email reminders for upcoming payments, and includes a cron job to check for upcoming membership fees.

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README

        

# Fitness-plus Membership Backend API

## Overview

Fitness-plus offers gym memberships with various billing structures. This backend system manages memberships, including annual and monthly billing, as well as optional add-on services such as personal training sessions and towel rentals. The API also handles invoicing for new members, sends email reminders for upcoming payments, and includes a cron job to check for upcoming membership fees.

## Features

- Manage memberships with annual and monthly billing.
- Handle optional add-on services with separate monthly charges.
- Combine the annual membership fee with the first month's add-on service charges for new members.
- Send email reminders for upcoming payments.
- Cron job to check for upcoming membership fees and send reminders.

## Technologies Used

- [Nest.js](https://nestjs.com/)
- [TypeORM](https://typeorm.io/)
- [PostgreSQL](https://www.postgresql.org/)
- [NodeMailer](https://nodemailer.com/)

## Prerequisites

- Node.js and npm installed
- PostgreSQL database setup
- Gmail account for sending emails

## Installation

1. **Clone the repository:**

```sh
git clone https://github.com/NuelUzoma/fitness-plus.git
cd fitness-plus
```

2. **Install dependencies:**

```sh
npm install
```

3. **Set up environment variables:**

Create a `.env` file in the root directory and add the following variables:

```env
DB_HOST=localhost
DB_PORT=5432
DB_USERNAME=your_db_username
DB_PASSWORD=your_db_password
DB_DATABASE=fitness_plus
MAIL_HOST=smtp.gmail.com
MAIL_PORT=587
MAIL_USER=your_gmail_username
MAIL_PASS=your_gmail_password
```

4. **Run the database migration to set up the database schema:**

```sh
npm run typeorm migration:run
```

## Running the Application

1. **Start the Nest.js server:**

```sh
npm run start
```

## Usage

### Endpoints

#### Memberships

- **Create a new membership**

```http
POST /api/memberships
```

**Request Body:**

```json
{
"firstName": "Kelechi",
"lastName": "Ogu",
"membershipType": "Annual Basic",
"email": "[email protected]",
"isFirstMonth": true
}
```

**Response:**

```json
{
"firstName": "Kelechi",
"lastName": "Ogu",
"membershipType": "Annual Basic",
"email": "[email protected]",
"isFirstMonth": true,
"startDate": "2024-06-11T20:16:26.217Z",
"dueDate": "2025-06-10T23:00:00.000Z",
"totalAmount": 500,
"id": 22
}
```

- **Get all memberships**

```http
GET /api/memberships
```


- **Update membership details**

```http
PUT /api/memberships
```

#### Add-On Services

- **Create a new add-on service**

```http
POST /api/addons
```

**Request Body:**

```json
{
"serviceName": "Personal Training"
}
```

**Response:**

```json
{
"serviceName": "Personal Training",
"dueDate": "2024-07-10T23:00:00.000Z",
"monthlyAmount": 100,
"id": 21
}
```

- **Get all add-on services**

```http
GET /api/addons
```

### Email Notifications

Emails are sent using NodeMailer configured with a Gmail SMTP server. Ensure that your Gmail account allows less secure apps or generate an app-specific password for better security.

### Cron Job

A cron job runs daily at midnight to check for upcoming membership fees and send reminders.