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        [HttpGet]
        [Route("get-all")]
        public async Task<List<AllCustomerQueryResponseModel>> GetAllCustomerAsync()
        {
            try
            {
                return await this.allCustomerQueryHandler.GetAllAsync();
            }
            catch
            {

lakshithacodes

namespace CustomerManagement.Handlers.QueryHandler
{
    public class AllCustomerQueryHandler : IAllCustomerQueryHandler
    {
        private readonly CustomerDbContext context;

        public AllCustomerQueryHandler(CustomerDbContext context)
        {
            this.context = context;
        }

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namespace CustomerManagement.Contracts.QueryHandlers
{
    public interface IAllCustomerQueryHandler
    {
        Task<List<AllCustomerQueryResponseModel>> GetAllAsync();
    }
}

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namespace CustomerManagement.ResponseModels.QueryResponses
{
    public class AllCustomerQueryResponseModel
    {
        public int Id { get; set; }
        public string Title { get; set; }
        public string Name { get; set; }
        public string City { get; set; }
        public int LoyaltyPoints { get; set; }
    }

lakshithacodes

namespace CustomerManagement.Controllers
{
    [Route("api/[controller]")]
    [ApiController]
    public class CustomerController : ControllerBase
    {
        private readonly ISaveCustomerCommandHandler saveCustomerCommandHandler;
        public CustomerController(ISaveCustomerCommandHandler saveCustomerCommandHandler)
        {
            this.saveCustomerCommandHandler = saveCustomerCommandHandler;

lakshithacodes

using CustomerManagement.Contracts.CommandHandlers;
using CustomerManagement.Data;
using CustomerManagement.Models;
using CustomerManagement.RequestModels.CommandRequests;
using System.Threading.Tasks;

namespace CustomerManagement.Handlers.CommandHandlers
{
    public class SaveCustomerCommandHandler : ISaveCustomerCommandHandler
    {

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namespace CustomerManagement.Contracts.CommandHandlers
{
    public interface ISaveCustomerCommandHandler
    {
        Task<int> SaveAsync(SaveCustomerRequestModel saveCustomerRequestModel);
    }
}

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namespace CustomerManagement.RequestModels.CommandRequests
{
    public class SaveCustomerRequestModel
    {
        public string Title { get; set; }
        public string Name { get; set; }
        public string City { get; set; }
        public int LoyaltyPoints { get; set; }
    }
}

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using CustomerManagement.Models;
using Microsoft.EntityFrameworkCore;

namespace CustomerManagement.Data
{
    public class CustomerDbContext : DbContext
    {
        public CustomerDbContext(DbContextOptions<CustomerDbContext> options) : base(options)
        { }

lakshithacodes

    public class PersonalDetails
    {
        public int Id { get; set; }
        public string Title { get; set; }
        public string Name { get; set; }
        public string City { get; set; }
        public int LoyaltyPoints { get; set; }
    }