Software Requirements Specification (SRS)

# Software Requirements Specification (SRS)
# SafeCom Task Management Application

**Version:** 1.0  
**Date:** August 15, 2025  
**Document Status:** Final  
**Prepared by:** Pushkarjay Ajay  
**Organization:** SafeCom  
**Contact:** [email protected]  

---

## Table of Contents

1. [Introduction](#1-introduction)
2. [Overall Description](#2-overall-description)
3. [System Features](#3-system-features)
4. [External Interface Requirements](#4-external-interface-requirements)
5. [Non-Functional Requirements](#5-non-functional-requirements)
6. [Other Requirements](#6-other-requirements)
7. [Appendices](#7-appendices)

---

## 1. Introduction

### 1.1 Purpose
This Software Requirements Specification (SRS) document describes the functional and non-functional requirements for the SafeCom Task Management Application. The application is designed and developed by Pushkarjay Ajay for SafeCom to facilitate efficient task management, real-time communication, and collaborative work environment for teams and organizations.

### 1.2 Document Conventions
- **High Priority Requirements:** Critical features that must be implemented
- **Medium Priority Requirements:** Important features that should be implemented
- **Low Priority Requirements:** Nice-to-have features that could be implemented
- **Functional Requirements:** Describe what the system should do
- **Non-Functional Requirements:** Describe how the system should perform

### 1.3 Intended Audience and Reading Suggestions
This document is intended for:
- Development team members
- Project managers
- Quality assurance testers
- System architects
- Stakeholders and clients

### 1.4 Product Scope
SafeCom Task Management Application is a comprehensive mobile and web-based platform that enables:
- Task creation, assignment, and tracking
- Real-time messaging and communication
- File sharing and collaboration
- Progress monitoring and reporting
- User management and role-based access control

### 1.5 References
- IEEE Std 830-1998 - IEEE Recommended Practice for Software Requirements Specifications
- Material Design Guidelines
- Firebase Documentation
- Android Development Best Practices

---

## 2. Overall Description

### 2.1 Product Perspective
SafeCom Task Management Application is a standalone system consisting of:
- **Android Mobile Application:** Primary user interface for mobile devices
- **Backend API Server:** Node.js/Express server handling business logic
- **Database System:** MongoDB for data persistence
- **Real-time Communication:** Socket.IO for instant messaging
- **Push Notification Service:** Firebase Cloud Messaging
- **File Storage System:** Secure file upload and storage

### 2.2 Product Functions
The main functions of the SafeCom application include:

#### 2.2.1 Task Management
- Create and assign tasks to team members
- Set task priorities, due dates, and categories
- Track task progress and status updates
- Add comments and attachments to tasks
- Create subtasks and task dependencies

#### 2.2.2 Communication
- Real-time messaging between users
- Group conversations and task-specific chats
- Message reactions and replies
- File sharing in conversations
- Read receipts and delivery status

#### 2.2.3 User Management
- User registration and authentication
- Role-based access control (User, Manager, Admin)
- User profile management
- Team and organization management

#### 2.2.4 Notifications
- Push notifications for task assignments
- Real-time message notifications
- Due date reminders and alerts
- Status change notifications

### 2.3 User Classes and Characteristics

#### 2.3.1 End Users (Employees)
- **Technical Expertise:** Basic to intermediate mobile device usage
- **Primary Activities:** Creating tasks, messaging, updating task status
- **Access Level:** Standard user permissions

#### 2.3.2 Team Managers
- **Technical Expertise:** Intermediate to advanced
- **Primary Activities:** Assigning tasks, monitoring progress, team communication
- **Access Level:** Enhanced permissions for team management

#### 2.3.3 System Administrators
- **Technical Expertise:** Advanced
- **Primary Activities:** User management, system configuration, monitoring
- **Access Level:** Full system access and administrative controls

### 2.4 Operating Environment
- **Client Side:** Android 7.0 (API level 24) and above
- **Server Side:** Node.js runtime environment
- **Database:** MongoDB 4.4 or higher
- **Network:** Internet connectivity required
- **External Services:** Firebase services for authentication and messaging

### 2.5 Design and Implementation Constraints
- Must comply with Android design guidelines
- Must follow Material Design 3 principles
- Must ensure data security and privacy
- Must support offline functionality where possible
- Must be scalable to support multiple organizations

### 2.6 User Documentation
- In-app help and tutorials
- User manual documentation
- API documentation for developers
- Setup and installation guides

### 2.7 Assumptions and Dependencies
- Users have Android devices with internet connectivity
- Firebase services are available and operational
- MongoDB database is accessible and maintained
- Users have basic familiarity with mobile applications

---

## 3. System Features

### 3.1 User Authentication and Authorization

#### 3.1.1 Description
Secure user authentication system allowing users to register, login, and manage their accounts with role-based access control.

#### 3.1.2 Priority
High

#### 3.1.3 Functional Requirements

**REQ-3.1.1:** User Registration
- The system shall allow new users to create accounts using email and password
- The system shall validate email format and password strength
- The system shall send email verification for new accounts
- The system shall prevent duplicate email registrations

**REQ-3.1.2:** User Login
- The system shall authenticate users using email/username and password
- The system shall support "Remember Me" functionality
- The system shall implement secure session management
- The system shall provide password reset functionality

**REQ-3.1.3:** Role-Based Access Control
- The system shall support three user roles: User, Manager, Admin
- The system shall restrict features based on user roles
- The system shall allow role assignment by administrators
- The system shall maintain audit logs for role changes

### 3.2 Task Management

#### 3.2.1 Description
Comprehensive task management system allowing users to create, assign, track, and manage tasks with various attributes and workflows.

#### 3.2.2 Priority
High

#### 3.2.3 Functional Requirements

**REQ-3.2.1:** Task Creation
- The system shall allow users to create tasks with title and description
- The system shall support task categorization and tagging
- The system shall allow setting due dates and priorities
- The system shall support task assignment to specific users

**REQ-3.2.2:** Task Status Management
- The system shall support task statuses: Pending, In Progress, Completed, Overdue, Cancelled
- The system shall automatically update overdue status based on due dates
- The system shall track status change history
- The system shall send notifications on status changes

**REQ-3.2.3:** Task Assignment and Tracking
- The system shall allow task assignment to multiple users
- The system shall track estimated vs. actual time spent
- The system shall support task delegation and reassignment
- The system shall maintain task activity logs

**REQ-3.2.4:** Subtasks and Dependencies
- The system shall support creating subtasks within main tasks
- The system shall allow setting task dependencies
- The system shall track completion percentage based on subtasks
- The system shall prevent circular dependencies

### 3.3 Real-Time Communication

#### 3.3.1 Description
Real-time messaging system enabling instant communication between users, including direct messages, group chats, and task-specific conversations.

#### 3.3.2 Priority
High

#### 3.3.3 Functional Requirements

**REQ-3.3.1:** Direct Messaging
- The system shall support one-on-one messaging between users
- The system shall deliver messages in real-time
- The system shall support message formatting and emojis
- The system shall maintain message history and search functionality

**REQ-3.3.2:** Group Messaging
- The system shall support group conversations with multiple participants
- The system shall allow adding/removing participants from groups
- The system shall support group naming and management
- The system shall provide group-specific notification settings

**REQ-3.3.3:** Message Features
- The system shall support message reactions and replies
- The system shall allow message editing and deletion
- The system shall provide read receipts and delivery status
- The system shall support typing indicators

**REQ-3.3.4:** File Sharing
- The system shall support sharing images, documents, and other files
- The system shall validate file types and sizes
- The system shall provide file preview capabilities
- The system shall maintain file access permissions

### 3.4 File Management

#### 3.4.1 Description
Secure file upload, storage, and sharing system supporting various file types with proper access controls.

#### 3.4.2 Priority
Medium

#### 3.4.3 Functional Requirements

**REQ-3.4.1:** File Upload
- The system shall support uploading files up to 50MB in size
- The system shall support common file formats (images, documents, audio, video)
- The system shall validate file types and scan for malware
- The system shall provide upload progress indicators

**REQ-3.4.2:** File Storage and Organization
- The system shall store files securely in cloud storage
- The system shall organize files by tasks and conversations
- The system shall maintain file version history
- The system shall implement file backup and recovery

**REQ-3.4.3:** File Access Control
- The system shall restrict file access based on user permissions
- The system shall log file access and downloads
- The system shall support file sharing via secure links
- The system shall allow file access revocation

### 3.5 Notification System

#### 3.5.1 Description
Comprehensive notification system providing real-time alerts for various application events through push notifications and in-app notifications.

#### 3.5.2 Priority
Medium

#### 3.5.3 Functional Requirements

**REQ-3.5.1:** Push Notifications
- The system shall send push notifications for task assignments
- The system shall notify users of new messages
- The system shall send due date reminders
- The system shall allow users to customize notification preferences

**REQ-3.5.2:** In-App Notifications
- The system shall display notification badges for unread items
- The system shall maintain notification history
- The system shall support notification grouping and categorization
- The system shall provide notification action buttons

### 3.6 Reporting and Analytics

#### 3.6.1 Description
Reporting system providing insights into task completion, user productivity, and system usage with visual dashboards and export capabilities.

#### 3.6.2 Priority
Low

#### 3.6.3 Functional Requirements

**REQ-3.6.1:** Task Analytics
- The system shall generate task completion reports
- The system shall track user productivity metrics
- The system shall provide time tracking analysis
- The system shall support custom reporting periods

**REQ-3.6.2:** Dashboard Visualization
- The system shall display visual charts and graphs
- The system shall provide real-time statistics
- The system shall support dashboard customization
- The system shall enable report export in various formats

---

## 4. External Interface Requirements

### 4.1 User Interfaces

#### 4.1.1 Mobile Application Interface
- The Android app shall follow Material Design 3 guidelines
- The interface shall be responsive and support various screen sizes
- The app shall provide intuitive navigation with bottom navigation bar
- The interface shall support both light and dark themes

#### 4.1.2 Navigation Requirements
- The app shall provide consistent navigation patterns
- The app shall include breadcrumb navigation for complex workflows
- The app shall support gesture-based navigation
- The app shall maintain navigation state across app sessions

### 4.2 Hardware Interfaces

#### 4.2.1 Mobile Device Requirements
- The app shall utilize device camera for photo capture
- The app shall access device storage for file management
- The app shall use device notification system
- The app shall support fingerprint authentication where available

### 4.3 Software Interfaces

#### 4.3.1 Operating System Interfaces
- The app shall integrate with Android notification system
- The app shall support Android file sharing mechanisms
- The app shall utilize Android security features
- The app shall comply with Android runtime permissions

#### 4.3.2 External Service Interfaces
- The system shall integrate with Firebase authentication
- The system shall use Firebase Cloud Messaging for notifications
- The system shall interface with MongoDB database
- The system shall integrate with cloud storage services

### 4.4 Communication Interfaces

#### 4.4.1 Network Protocols
- The system shall use HTTPS for all API communications
- The system shall implement WebSocket connections for real-time features
- The system shall support RESTful API architecture
- The system shall handle network failures gracefully

#### 4.4.2 Data Exchange Formats
- The system shall use JSON for data exchange
- The system shall implement proper data validation
- The system shall support data compression
- The system shall maintain API versioning

---

## 5. Non-Functional Requirements

### 5.1 Performance Requirements

#### 5.1.1 Response Time
- API responses shall complete within 2 seconds under normal load
- Real-time messages shall be delivered within 1 second
- App launch time shall not exceed 3 seconds
- File uploads shall provide progress feedback every 500ms

#### 5.1.2 Throughput
- The system shall support 1000 concurrent users
- The system shall handle 10,000 API requests per minute
- The messaging system shall support 500 simultaneous conversations
- The system shall process 100 file uploads simultaneously

#### 5.1.3 Resource Utilization
- Mobile app memory usage shall not exceed 200MB
- Battery consumption shall be optimized for all-day usage
- Network data usage shall be minimized through caching
- Server CPU utilization shall remain below 80% under normal load

### 5.2 Safety Requirements

#### 5.2.1 Data Protection
- The system shall backup all data daily
- The system shall maintain data integrity through validation
- The system shall prevent data corruption through checksums
- The system shall provide data recovery mechanisms

#### 5.2.2 Error Handling
- The system shall gracefully handle all error conditions
- The system shall provide meaningful error messages to users
- The system shall log all errors for debugging purposes
- The system shall prevent system crashes from user actions

### 5.3 Security Requirements

#### 5.3.1 Authentication and Authorization
- The system shall use strong password requirements
- The system shall implement JWT-based authentication
- The system shall support multi-factor authentication
- The system shall enforce session timeouts

#### 5.3.2 Data Security
- All sensitive data shall be encrypted at rest and in transit
- The system shall comply with data protection regulations
- The system shall implement secure API endpoints
- The system shall prevent SQL injection and XSS attacks

#### 5.3.3 Privacy
- The system shall not collect unnecessary personal information
- The system shall provide clear privacy policies
- The system shall allow users to control their data
- The system shall support data deletion requests

### 5.4 Software Quality Attributes

#### 5.4.1 Reliability
- The system shall maintain 99.5% uptime
- The system shall recover from failures within 5 minutes
- The system shall not lose data during failures
- The system shall handle concurrent access without conflicts

#### 5.4.2 Availability
- The system shall be available 24/7 except for scheduled maintenance
- Scheduled maintenance shall not exceed 4 hours per month
- The system shall provide redundancy for critical components
- The system shall support graceful degradation during partial failures

#### 5.4.3 Maintainability
- The code shall follow established coding standards
- The system shall provide comprehensive logging
- The system shall support automated testing
- The system shall allow easy deployment and updates

#### 5.4.4 Portability
- The Android app shall support API levels 24 and above
- The system shall support different Android device manufacturers
- The backend shall be deployable on various cloud platforms
- The system shall support different screen sizes and orientations

---

## 6. Other Requirements

### 6.1 Internationalization Requirements
- The system shall support multiple languages through localization
- The system shall handle different date/time formats
- The system shall support right-to-left languages
- The system shall provide currency and number formatting

### 6.2 Legal Requirements
- The system shall comply with GDPR data protection regulations
- The system shall meet accessibility standards (WCAG 2.1)
- The system shall provide terms of service and privacy policy
- The system shall support data export for compliance

### 6.3 Regulatory Requirements
- The system shall comply with mobile app store guidelines
- The system shall meet industry security standards
- The system shall provide audit trails for compliance
- The system shall support data retention policies

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## 7. Appendices

### Appendix A: Glossary
- **API:** Application Programming Interface
- **FCM:** Firebase Cloud Messaging
- **GDPR:** General Data Protection Regulation
- **JWT:** JSON Web Token
- **REST:** Representational State Transfer
- **SRS:** Software Requirements Specification
- **UI/UX:** User Interface/User Experience
- **WCAG:** Web Content Accessibility Guidelines

### Appendix B: Technology Stack
- **Frontend:** Android (Kotlin), Material Design 3
- **Backend:** Node.js, Express.js
- **Database:** MongoDB
- **Real-time:** Socket.IO
- **Authentication:** Firebase Auth, JWT
- **Notifications:** Firebase Cloud Messaging
- **File Storage:** Cloud Storage Services

### Appendix C: Architecture Overview
The SafeCom Task Management Application follows a client-server architecture with:
- Mobile client application (Android)
- RESTful API server (Node.js/Express)
- Real-time communication layer (Socket.IO)
- Database layer (MongoDB)
- External services integration (Firebase)

### Appendix D: Use Case Diagrams
[Use case diagrams would be included here showing the main user interactions with the system]

### Appendix E: Database Schema
[Database schema diagrams would be included here showing the data model and relationships]

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**Document Control:**
- **Created:** August 15, 2025
- **Last Modified:** August 15, 2025
- **Version:** 1.0
- **Status:** Final
- **Author:** Pushkarjay Ajay
- **Organization:** SafeCom
- **Contact:** [email protected]
- **Next Review Date:** September 15, 2025

**Approval:**
- **Developer & Project Lead:** Pushkarjay Ajay - August 15, 2025
- **Organization:** SafeCom - August 15, 2025