### Apartment Management System Design
#### **1. Database Structure**
The system will require a database to store flat details, income, and expenses. Here’s the proposed structure:
##### **Tables:**
1. **Flats**
- FlatID (Primary Key, e.g., 101, 102, ..., 412)
- FlatNumber (e.g., 101, 102, ..., 412)
- FloorNumber (e.g., 1, 2, 3, 4)
- MonthlyDue (e.g., 1400, 1600, ..., 2800)
- PaidAmount (default 0)
- BalanceDue (calculated as MonthlyDue - PaidAmount)
2. **Income**
- IncomeID (Primary Key)
- FlatID (Foreign Key, NULL for other income)
- IncomeType (e.g., "Maintenance", "Other Income")
- Amount
- Date
- Description (e.g., "Community Hall Charges")
3. **Expenses**
- ExpenseID (Primary Key)
- Date
- Particulars (e.g., "Electricity Bill")
- VoucherBillNo
- Amount
4. **MonthlySummary**
- MonthYear (e.g., "October 2023")
- TotalMaintenanceCollected
- TotalExpenses
- NetBalance (calculated as TotalMaintenanceCollected - TotalExpenses)
---
#### **2. User Interface (UI) Design**
The system will have the following forms and views:
##### **Forms:**
1. **Flat Maintenance Entry Form**
- Flat Number (dropdown or autocomplete)
- Amount Paid
- Date
- Save/Update/Delete buttons
2. **Other Income Entry Form**
- Income Type (e.g., "Community Hall Charges")
- Amount
- Date
- Description
- Save/Update/Delete buttons
3. **Expense Entry Form**
- Date
- Particulars
- Voucher/Bill No.
- Amount
- Save/Update/Delete buttons
##### **Views:**
1. **Flat Details View**
- Flat Number
- Monthly Due
- Paid Amount
- Balance Due
- Pending Dues (month-wise)
2. **Monthly Summary View**
- Month
- Total Maintenance Collected
- Total Expenses
- Net Balance
---
#### **3. Functionality**
1. **Flat Maintenance Tracking**
- Automatically calculate the balance due for each flat.
- Allow the treasurer to mark payments as paid.
2. **Income and Expense Tracking**
- Record all income (maintenance and other) and expenses.
- Allow editing and deletion of entries.
3. **Monthly Summary**
- Automatically calculate the total maintenance collected, total expenses, and net balance for each month.
4. **Reports**
- Generate reports for flat-wise dues, monthly summaries, and pending payments.
---
#### **4. Workflow**
1. **Data Entry**
- Treasurer enters flat maintenance payments, other income, and expenses using the respective forms.
2. **Data Updates**
- The system updates the flat records and monthly summaries automatically.
3. **View Reports**
- Treasurer can view flat details, monthly summaries, and pending dues.
---
#### **5. Technology Stack**
- **Frontend:** HTML, CSS, JavaScript (React.js or Angular for a dynamic UI)
- **Backend:** Node.js, Python (Django/Flask), or PHP
- **Database:** MySQL, PostgreSQL, or MongoDB
- **Hosting:** Cloud platforms like AWS, Azure, or Heroku
---
#### **6. Sample Outputs**
1. **Flat Details**
```
Flat No.: 101
Monthly Due: 2700 INR
Paid: 2700 INR
Balance Due: 0 INR
Pending Dues: None
```
2. **Monthly Summary**
```
Month: October 2023
Total Maintenance Collected: 1,20,000 INR
Total Expenses: 1,00,000 INR
Net Balance: 20,000 INR
```
---
This design ensures efficient tracking of maintenance, income, and expenses while providing clear reports for the treasurer. Let me know if you’d like further details or adjustments!