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✅ README.md — Varuna App (Health & Water Quality Monitoring System)

# 🌊 Varuna – Health & Water Quality Monitoring System  
A unified Android application designed to monitor **village water quality**, track **public health reports**, manage **alerts**, and spread **educational awareness**.  
Built using **Android (Kotlin), Firebase Firestore, Firebase Storage**, and **Material UI**.

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## 📌 Overview  
Varuna is a community-centric mobile application developed to support rural and semi-urban regions by providing:

- Water quality record-keeping  
- Patient health reporting  
- CSV-based bulk water data uploads  
- Real-time alert broadcasting  
- Educational material distribution  
- Village-wise reporting & analytics  

This system is primarily used by **Health Officers**, **ASHA Workers**, and **General Public**.

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## 🎯 Key Features

### ✔ Village Management  
- Add new villages (role: HealthReport / AshaWorker)  
- Auto-sorted A–Z village list  
- Village-wise navigation

### ✔ Water Quality Tracking  
- Add manual water test tables  
- Upload CSV water quality datasets  
- Automatic real-time update in Firestore  
- Displays EPA standards and custom parameters

### ✔ Health Reporting System  
Each report stores:  
- Patient name, age, gender  
- Symptoms (multi-select)  
- Water-related disease indicators  
- Severity level  
- Start date of symptoms  
- Water source  
- Additional notes  
- Cured / Not Cured status  

Also includes village-wise analytics:  
- Total patients  
- Active cases  
- Cured cases  

### ✔ Alert System  
Health/Asha workers can publish alerts that instantly appear to all users.  
Examples:  
- Contaminated water warnings  
- Disease outbreaks  
- Important health notices  

### ✔ Education Module  
Upload and distribute learning material:  
- PDFs  
- Images  
- Awareness articles (hygiene, sanitation, disease prevention)  
- Automatically fetched from Firestore in real-time  

General users can only **view**, not upload.

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## 🏛 User Roles & Permissions

| Role | Add Village | Add Water Data | Add Health Report | Upload CSV | Add Education Material | View Data |
|------|-------------|----------------|------------------|------------|------------------------|-----------|
| **General User** | ❌ | ❌ | ❌ | ❌ | ❌ | ✔ |
| **Asha Worker** | ✔ | ✔ | ✔ | ✔ | ❌ | ✔ |
| **HealthReport Officer** | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |

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## 📂 Project Structure (Important Modules)

/activities ├── VillageActivity.kt ├── VillageListActivity.kt ├── AddHealthReportActivity.kt ├── HealthReportsListActivity.kt ├── AlertActivity.kt ├── EducationActivity.kt /fragments ├── DashboardFragment.kt ├── WaterQualityFragment.kt ├── HelpRequestsFragment.kt /adapters ├── WaterTableAdapter.kt ├── VillageListAdapter.kt ├── HealthReportAdapter.kt ├── AlertAdapter.kt ├── EducationAdapter.kt /models ├── WaterTestTable.kt ├── WaterParameter.kt ├── HealthReport.kt ├── EducationMaterial.kt

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## 🔥 Firebase Integration

### ### Firestore Collections
- `/users/{uid}`
- `/villages/{villageName}/water_tables/{id}`
- `/villages/{villageName}/health_reports/{id}`
- `/alerts/{alertId}`
- `/education_materials/{materialId}`

### Firebase Storage
- `education/{timestamp}.pdf`
- `education/{timestamp}.jpg`

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## 🔐 Firestore Security Rules (Simplified)

```firestore
function isHealthOrAsha() {
  return request.auth != null &&
    get(/databases/$(database)/documents/users/$(request.auth.uid)).data.role in
    ["HealthReport", "AshaWorker"];
}

function isAdmin() {
  return request.auth != null &&
    get(/databases/$(database)/documents/users/$(request.auth.uid)).data.role == "HealthReport";
}

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🎨 UI Highlights

• Full Material 3 design
• Card-based dashboard
• Clean forms for health and water reporting
• Auto-refresh real-time lists with snapshot listeners
• Visual statistics for health reports

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🚀 Future Enhancements

• AI-based water quality prediction
• GIS-based village mapping
• Offline mode with synced uploads
• Push notifications for alerts
• Disease outbreak forecasting

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🧑‍💻 Tech Stack

• Android Studio (Kotlin)
• Firebase Firestore
• Firebase Storage
• Material Components
• RecyclerView / Adapters
• Navigation Components

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📱 Screens Included

• Login / Signup
• Dashboard
• Village List
• Water Quality
• Health Report Forms
• Alert System
• Education Module
• Profile Page

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🏁 Conclusion

Varuna empowers public health workers and villagers with real-time monitoring tools, ensuring safer water and better health awareness across communities.

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👥 Authors

Krishna (Developer) Team Member: Sujal, Sajal, Harsh, Dhrub, Digambar

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📜 License

This project is for academic and research purposes.