Functional requirements of Online Diet Planner with non-functional

Functional Requirements

1. User Registration and Authentication:
   • Allow users to register and authenticate using email, social media, or third-party authentication services.
   • Implement role-based access control to manage permissions for different user roles (e.g., clients, nutritionists, administrators).
2. Profile Management:
   • Enable users to create and manage their profiles, including personal information, dietary preferences, allergies, and health goals.
   • Allow nutritionists to create and manage their profiles with professional details, qualifications, and areas of expertise.
3. Diet and Meal Planning:
   • Provide tools for users to create and customize meal plans based on dietary goals, preferences, and restrictions.
   • Allow users to select from pre-defined meal plans or create their own using a database of recipes and ingredients.
   • Support for generating grocery lists based on selected meal plans.
4. Nutritional Analysis:
   • Provide nutritional information for recipes and meals, including calories, macronutrients (carbs, proteins, fats), vitamins, and minerals.
   • Allow users to track their daily and weekly nutrient intake and compare it against their dietary goals.
5. Recipe Management:
   • Allow users and nutritionists to add, edit, and delete recipes, including ingredients, instructions, and nutritional information.
   • Support for categorizing and tagging recipes for easy search and retrieval.
6. Progress Tracking:
   • Enable users to log their daily food intake and track their adherence to diet plans.
   • Provide visualizations and reports on progress towards dietary goals, including weight management and nutrient intake.
7. Dietary Goals and Recommendations:
   • Allow users to set and track dietary goals, such as weight loss, muscle gain, or improved nutrition.
   • Provide personalized dietary recommendations based on user profiles, goals, and progress.
8. Integration with Fitness Trackers:
   • Support integration with fitness trackers and health devices to synchronize data on physical activity and overall health.
   • Provide a holistic view of fitness and nutrition data.
9. Communication and Support:
   • Offer messaging tools for users to communicate with nutritionists or diet coaches.
   • Provide options for scheduling virtual consultations and receiving personalized feedback.
10. Reporting and Analytics:
    • Generate reports on diet adherence, nutritional intake, and progress towards goals.
    • Provide analytics tools to help users and nutritionists assess dietary patterns and make adjustments.
11. User Notifications and Alerts:
    • Send automated notifications for important events, such as meal reminders, goal achievements, and updates to diet plans.
    • Allow users to configure notification preferences, including email, SMS, and in-app alerts.
12. Admin Panel:
    • Include an administrative interface for managing users, diet plans, recipes, and system settings.
    • Provide tools for moderating content, resolving issues, and ensuring compliance with platform policies.
13. Help and Support Resources:
    • Offer access to help resources, including FAQs, user guides, and support contact options.
    • Provide customer support through various channels, such as email, live chat, or phone.

Non-Functional Requirements

1. Scalability:
   • The system should handle increasing numbers of users, meal plans, recipes, and interactions without performance issues.
   • Support for scaling infrastructure to accommodate growth and peak usage periods.
2. Performance:
   • Ensure fast and responsive interactions, with quick access to meal plans, nutritional information, and progress reports.
   • Optimize performance to handle large datasets and high volumes of concurrent users efficiently.
3. Reliability and Availability:
   • Ensure high availability with minimal downtime, supported by redundancy, load balancing, and failover mechanisms.
   • Implement regular backups and disaster recovery procedures to maintain service continuity.
4. Usability:
   • The user interface should be intuitive and user-friendly, accommodating users with varying levels of technical expertise.
   • Provide a consistent and seamless experience across different devices and platforms.
5. Interoperability:
   • The system should integrate seamlessly with fitness trackers, health apps, and other nutritional databases.
   • Support standard APIs and data formats for interoperability and data exchange.
6. Maintainability:
   • Ensure the system is easy to maintain, with clear documentation, modular design, and support for regular updates and bug fixes.
   • Implement automated monitoring and logging to identify and address issues promptly.
7. Compliance:
   • Ensure the system complies with relevant regulations and standards, such as data protection laws (e.g., GDPR) and health information regulations.
   • Provide features to support auditing, data retention, and regulatory reporting requirements.
8. Data Integrity and Accuracy:
   • Ensure that all data collected and processed by the system is accurate, consistent, and up-to-date.
   • Implement validation checks and data integrity mechanisms to prevent errors and data corruption.
9. Localization and Internationalization:
   • Support multiple languages and regional settings to cater to a global user base.
   • Allow easy adaptation of the system to meet local regulations and cultural practices.
10. Accessibility:
    • Ensure that the system is accessible to users with disabilities, following web accessibility standards (e.g., WCAG).
    • Provide features such as screen reader compatibility, keyboard navigation, and adjustable text sizes.
11. Privacy and Data Ownership:
    • Ensure that users retain ownership of their data and can easily control, access, and delete their information.
    • Provide transparency regarding data usage, sharing, and storage practices, with clear consent mechanisms.