Generic API Abstraction Layer

The Generic API Abstraction Layer is a C# library that provides generic CRUD (Create, Read, Update, Delete) operations for working with objects in an API. It offers a class called GenericCrudProvider<TObj, TKey> that implements the ICrudProvider<TObj, TKey> interface.

Table of Contents

• Dependencies
• Installation
• Usage
• API Reference

Dependencies

The Generic API Abstraction Layer has the following dependencies:

• GenericApiAbstractionLayer.Extensions
• GenericApiAbstractionLayer.Interfaces
• Microsoft.Extensions.Logging
• Newtonsoft.Json

Make sure to install and reference these dependencies in your project.

Installation

To use the Generic API Abstraction Layer in your project, follow these steps:

1. Add the GenericApiAbstractionLayer namespace to your project.
2. Install the required dependencies listed in the Dependencies section.

Usage

To use the Generic API Abstraction Layer, you need to follow these steps:

1. Create an instance of the HttpClient class to make API requests.
2. Instantiate the GenericCrudProvider<TObj, TKey> class, providing an ILogger instance and the HttpClient instance.
3. Use the methods provided by the GenericCrudProvider<TObj, TKey> class to perform CRUD operations on your objects.

API Reference

GenericCrudProvider<TObj, TKey>

The GenericCrudProvider<TObj, TKey> class provides the following methods:

• Task<IEnumerable<TObj>?> GetAsync(bool includeRelationships = false): Gets a collection of objects asynchronously. Returns a collection of objects if successful; otherwise, null. You can specify the includeRelationships parameter to determine whether to include relationships in the result.
• Task<TObj?> GetAsync(TKey id, bool includeRelationships = false): Gets an object by its ID asynchronously. Returns the object if found; otherwise, null. You can specify the includeRelationships parameter to determine whether to include relationships in the result.
• Task<TObj?> PostAsync(TObj obj): Creates a new object asynchronously. Returns the created object if successful; otherwise, null.
• Task<TObj?> PutAsync(TKey id, TObj obj): Updates an object asynchronously. Returns the updated object if successful; otherwise, null.
• Task<TObj?> DeleteAsync(TKey id): Deletes an object asynchronously. Returns the deleted object if successful; otherwise, null.

Here's an example of how to use the Generic API Abstraction Layer:

using Microsoft.Extensions.Logging;
using System.Net.Http;
using System.Threading.Tasks;
using GenericApiAbstractionLayer;

// Create an instance of HttpClient
var httpClient = new HttpClient();

// Create an instance of ILogger
var logger = new Logger<GenericCrudProvider<MyObject, int>>();

// Instantiate the GenericCrudProvider
var crudProvider = new GenericCrudProvider<MyObject, int>(logger, httpClient);

// Perform CRUD operations
var objects = await crudProvider.GetAsync();
var newObject = await crudProvider.PostAsync(new MyObject());
var updatedObject = await crudProvider.PutAsync(id, new MyObject());
var deletedObject = await crudProvider.DeleteAsync(id);