# Process Monitoring System - System Requirements Document

## 1. Project Overview

### 1.1 Purpose
A web-based process monitoring system that allows users to select from various process lists, view internal process steps, and check current status through automated web crawling and database queries.

### 1.2 Scope
The system will provide real-time process status monitoring with the ability to track progress through sequential steps, starting from the beginning of each process workflow.

## 2. Functional Requirements

### 2.1 Process Management
- **FR-001**: Display a list of available processes for user selection
- **FR-002**: Show internal steps for each selected process in sequential order
- **FR-003**: Allow users to view process step details and descriptions
- **FR-004**: Support process categorization and filtering
- **FR-005**: Enable process configuration and step customization

### 2.2 Status Checking System
- **FR-006**: Provide a "Check" button to initiate status verification
- **FR-007**: Execute status checks starting from the first step of selected process
- **FR-008**: Progress through each step sequentially until completion or failure
- **FR-009**: Display real-time status updates during checking process
- **FR-010**: Show current step being processed with progress indicators

### 2.3 Data Collection Methods
- **FR-011**: Perform web scraping/crawling for external status verification
- **FR-012**: Execute database queries for internal status checking
- **FR-013**: Support multiple data source types (APIs, files, databases, web pages)
- **FR-014**: Handle authentication for secured data sources
- **FR-015**: Implement retry mechanisms for failed data collection attempts

### 2.4 User Interface
- **FR-016**: Responsive web interface accessible across devices
- **FR-017**: Real-time status dashboard with visual indicators
- **FR-018**: Process step timeline with current progress highlighting
- **FR-019**: Status history and logging display
- **FR-020**: Error reporting and troubleshooting information

### 2.5 Reporting and Analytics
- **FR-021**: Generate process completion reports
- **FR-022**: Track performance metrics and timing data
- **FR-023**: Export status reports in multiple formats (PDF, CSV, JSON)
- **FR-024**: Maintain historical status data for trend analysis

## 3. Non-Functional Requirements

### 3.1 Performance
- **NFR-001**: System should handle concurrent status checks for multiple processes
- **NFR-002**: Web crawling operations should complete within 30 seconds per step
- **NFR-003**: Database queries should execute within 5 seconds
- **NFR-004**: UI should update status in real-time with <2 second latency
- **NFR-005**: Support minimum 100 concurrent users

### 3.2 Reliability
- **NFR-006**: System availability of 99.5% uptime
- **NFR-007**: Automatic retry mechanism for failed checks (max 3 attempts)
- **NFR-008**: Graceful handling of network timeouts and connection failures
- **NFR-009**: Data integrity validation for all collected information

### 3.3 Security
- **NFR-010**: Secure authentication and authorization system
- **NFR-011**: Encrypted data transmission (HTTPS/TLS)
- **NFR-012**: Input validation and sanitization for all user inputs
- **NFR-013**: Rate limiting for web crawling to prevent blocking
- **NFR-014**: Secure storage of credentials and sensitive configuration data

### 3.4 Scalability
- **NFR-015**: Horizontal scaling capability for increased load
- **NFR-016**: Modular architecture for easy feature additions
- **NFR-017**: Database optimization for large-scale data storage
- **NFR-018**: Caching mechanisms for frequently accessed data

## 4. Technical Architecture

### 4.1 Backend Components (Python)
- **Web Framework**: Flask or Django for API development
- **Task Queue**: Celery with Redis/RabbitMQ for background processing
- **Web Scraping**: Selenium, BeautifulSoup, or Scrapy for crawling
- **Database**: PostgreSQL or MongoDB for data storage
- **Caching**: Redis for session and data caching
- **API Framework**: RESTful APIs with JSON responses

### 4.2 Frontend Components
- **Framework**: React, Vue.js, or vanilla JavaScript
- **Real-time Updates**: WebSockets or Server-Sent Events
- **UI Library**: Bootstrap, Material-UI, or Tailwind CSS
- **State Management**: Redux, Vuex, or Context API
- **Charts/Visualization**: Chart.js, D3.js, or similar

### 4.3 Infrastructure
- **Web Server**: Nginx or Apache
- **Application Server**: Gunicorn, uWSGI, or similar
- **Database Server**: PostgreSQL, MySQL, or MongoDB
- **Message Broker**: Redis or RabbitMQ
- **Monitoring**: Prometheus, Grafana, or similar tools

## 5. Data Requirements

### 5.1 Process Data Model
```
Process:
- process_id (Primary Key)
- name
- description
- category
- created_date
- updated_date
- is_active

ProcessStep:
- step_id (Primary Key)
- process_id (Foreign Key)
- step_number
- step_name
- description
- check_type (web_crawl, db_query, api_call)
- check_configuration (JSON)
- timeout_seconds
- retry_count

StatusCheck:
- check_id (Primary Key)
- process_id (Foreign Key)
- initiated_by
- start_time
- end_time
- overall_status
- current_step

StepResult:
- result_id (Primary Key)
- check_id (Foreign Key)
- step_id (Foreign Key)
- status (pending, running, success, failed, timeout)
- result_data (JSON)
- execution_time
- error_message
- timestamp
```

### 5.2 Configuration Data
- Database connection strings
- Web crawling targets and selectors
- API endpoints and authentication details
- Timeout and retry configurations
- User permissions and roles

## 6. Integration Requirements

### 6.1 External Systems
- **Web Crawling Targets**: Support for various website structures
- **Database Systems**: MySQL, PostgreSQL, Oracle, SQL Server
- **APIs**: RESTful and GraphQL API integration
- **File Systems**: Local and cloud-based file access
- **Authentication Systems**: LDAP, OAuth, SAML integration

### 6.2 Internal Integration
- **Logging System**: Centralized logging with log levels
- **Monitoring**: Application and infrastructure monitoring
- **Backup System**: Automated data backup and recovery
- **Notification System**: Email, SMS, or webhook alerts

## 7. User Stories

### 7.1 Process Selection
- As a user, I want to see a list of available processes so I can select the one I need to monitor
- As a user, I want to view the steps involved in each process before starting a check

### 7.2 Status Checking
- As a user, I want to click a "Check" button to start monitoring a process from the beginning
- As a user, I want to see real-time progress as each step is being checked
- As a user, I want to see the current status and any error messages for failed steps

### 7.3 Results and History
- As a user, I want to view historical check results for trend analysis
- As a user, I want to export status reports for documentation purposes

## 8. Acceptance Criteria

### 8.1 Core Functionality
- User can successfully select a process and initiate status checking
- System progresses through all steps sequentially from beginning to end
- Real-time status updates are displayed accurately
- Both web crawling and database querying methods work reliably
- Error handling provides meaningful feedback to users

### 8.2 Performance Standards
- Status checks complete within acceptable timeframes
- System remains responsive during concurrent operations
- Historical data is accessible and searchable
- Export functionality generates accurate reports

## 9. Constraints and Assumptions

### 9.1 Technical Constraints
- Python backend framework limitation
- Web-based interface requirement
- Integration with existing database systems
- Compliance with web crawling best practices

### 9.2 Assumptions
- Users have appropriate network access to target systems
- External websites allow automated crawling
- Database systems are accessible and properly configured
- Users have necessary permissions for data access

## 10. Future Enhancements

- Machine learning for predictive process monitoring
- Mobile application development
- Advanced analytics and reporting features
- Integration with third-party monitoring tools
- Automated process optimization recommendations