Documenting a Generic Resource Repository

This document describes the functionalities and structure of a general repository class managing resources in a NestJS application with TypeORM.

Purpose:

• Provides methods for data access and manipulation related to specific resources.
• Inherits from the base Repository class and interacts with the underlying database.
• Implements methods for fetching, filtering, searching, and managing resource data.

Key Elements:

• Inheritance: Extends the Repository<ResourceEntity> class (replace with actual entity name), providing generic CRUD operations.
• Constructor: Injected with a DataSource instance for database interactions.
• Methods:
  • findById: Retrieves a specific resource by its ID for a certain user.
  • getAll: Retrieves resources with pagination, search, and user filtering.
  • findAllDropdown: Fetches resources for dropdown selection with optional filtering.
  • getQueryBuilder: Helper function to construct dynamic SQL queries (optional).
• Additional methods: May include resource-specific methods like create, update, and delete (adapted to your use case).

Data Access:

• Leverages TypeORM's query builder syntax for constructing and executing SQL queries.
• Utilizes injected DataSource to connect to the database and perform operations.

Filtering and Searching:

• Supports filtering resources based on user ID and search term (if applicable).
• The getAll method demonstrates dynamic query construction with user and search criteria.

Pagination:

• The getAll method incorporates skip and take parameters for paginated results.

Additional Notes:

• The specific methods and functionalities will vary depending on the actual resource type and application requirements.
• Consider adding comments to each method for clarity and maintainability.

Remember to replace placeholders like ResourceEntity with the actual names used in your project. This provides a general understanding of a generic resource repository in NestJS using TypeORM.

File Name: <Resource>.repository.ts