Implement Advanced GraphQL API Layer

[RUKAYAT-CODER]

Overview

Create a comprehensive GraphQL API layer with advanced querying, mutations, and real-time subscriptions.

Background

Modern APIs benefit from GraphQL's flexible query capabilities and type safety for better developer experience.

Specifications

Modules to Create:

• GraphQLModule with schema management
• QueryResolversService for data fetching
• MutationResolversService for data modification
• SubscriptionsService for real-time updates

Tasks:

• Implement GraphQL schema with type definitions
• Create resolvers for all entity types
• Add real-time subscriptions for live updates
• Implement query optimization and N+1 prevention
• Create GraphQL playground for API exploration

Impacted Files:

• src/graphql/graphql.module.ts (new)
• src/graphql/schema/schema.graphql (new)
• src/graphql/resolvers/query.resolver.ts (new)
• src/graphql/resolvers/mutation.resolver.ts (new)
• src/graphql/resolvers/subscription.resolver.ts (new)
• src/graphql/services/dataloader.service.ts (new)

Labels: backend, graphql, api, real-time, priority-high

Acceptance Criteria

• GraphQL API supports complex nested queries
• Mutations handle data modification with proper validation
• Subscriptions provide real-time updates to clients
• Query optimization prevents N+1 problems
• API documentation is auto-generated from schema

🙌Contribution Guidelines:

Assignment required before PR submission
Timeframe: 24-48 hours
PR description must include: Close #[issue-number]
Join the Telegram group
Star the repo⭐
For more context, please refer to the project README here 🚀