feat: implementar cliente API de Dolibarr

DoliMiddlewareApi/Services/DolibarrApiClient.cs

@@ -0,0 +1,96 @@
+using System.Globalization;
+using System.Net;
+using System.Net.Http.Json;
+using DoliMiddlewareApi.Dtos;
+using DoliMiddlewareApi.Dtos.Enums;
+using DoliMiddlewareApi.Exceptions;
+
+namespace DoliMiddlewareApi.Services;
+
+public class DolibarrApiClient
+{
+    private readonly HttpClient _httpClient;
+
+    public DolibarrApiClient(HttpClient httpClient)
+    {
+        _httpClient = httpClient;
+    }
+
+    // ===== FACTURAS =====
+    public async Task<InvoiceDto> GetInvoiceAsync(int id)
+    {
+        var data = await GetAsync<InvoiceResponse>($"invoices/{id}");
+        return MapToInvoiceDto(data);
+    }
+
+    public async Task<List<InvoiceDto>> GetInvoicesAsync()
+    {
+        var dataList = await GetListAsync<InvoiceResponse>("invoices");
+        return dataList.Select(MapToInvoiceDto).ToList();
+    }
+
+    // ===== MAPPER =====
+    private InvoiceDto MapToInvoiceDto(InvoiceResponse invoiceResponse)
+    {
+        return new InvoiceDto
+        {
+            Id = int.TryParse(invoiceResponse.id, out int id) ? id : 0,
+            Number = invoiceResponse.@ref ?? "SIN-REF",
+
+            Date = invoiceResponse.date.HasValue
+                ? DateTimeOffset.FromUnixTimeSeconds(invoiceResponse.date.Value).DateTime
+                : null,
+
+            ExpireDate = invoiceResponse.date_lim_reglement.HasValue
+                ? DateTimeOffset.FromUnixTimeSeconds(invoiceResponse.date_lim_reglement.Value).DateTime
+                : null,
+
+            ClientId = int.TryParse(invoiceResponse.socid, out int clientId) ? clientId : 0,
+
+            Total = decimal.TryParse(invoiceResponse.total_ttc, NumberStyles.Any, CultureInfo.InvariantCulture, out decimal total)
+                ? Math.Round(total, 2)
+                : null,
+            RemainToPay = decimal.TryParse(invoiceResponse.remaintopay, NumberStyles.Any, CultureInfo.InvariantCulture, out decimal remain)
+                ? Math.Round(remain, 2)
+                : null,
+
+            Status = InvoiceStatusMapper.FromDolibarrStatus(invoiceResponse.statut ?? "0")
+        };
+    }
+
+
+    // ===== MÉTODOS GENÉRICOS =====
+    private async Task<T> GetAsync<T>(string endpoint) where T : class
+    {
+        var response = await _httpClient.GetAsync(endpoint);
+        await HandleErrorsAsync(response, endpoint);
+
+        return await response.Content.ReadFromJsonAsync<T>()
+               ?? throw new BadRequestException("Failed to deserialize response");
+    }
+
+    private async Task<List<T>> GetListAsync<T>(string endpoint) where T : class
+    {
+        var response = await _httpClient.GetAsync(endpoint);
+        await HandleErrorsAsync(response, endpoint);
+
+        return await response.Content.ReadFromJsonAsync<List<T>>() ?? new List<T>();
+    }
+
+    private async Task HandleErrorsAsync(HttpResponseMessage response, string endpoint)
+    {
+        if (response.IsSuccessStatusCode) return;
+
+        var errorContent = await response.Content.ReadAsStringAsync();
+
+        throw response.StatusCode switch
+        {
+            HttpStatusCode.NotFound => new NotFoundException($"Resource not found: {endpoint}"),
+            HttpStatusCode.Unauthorized => new UnauthorizedException("Invalid API credentials"),
+            HttpStatusCode.Forbidden => new ForbiddenException("Access to this resource is forbidden"),
+            HttpStatusCode.BadRequest => new BadRequestException($"Bad request: {errorContent}"),
+            HttpStatusCode.InternalServerError => new ApiException($"Server error: {errorContent}"),
+            _ => new ApiException($"Unexpected error ({response.StatusCode}): {errorContent}")
+        };
+    }
+}

DoliMiddlewareApi/Services/InvoiceResponse.cs

@@ -0,0 +1,15 @@
+namespace DoliMiddlewareApi.Services;
+
+public class InvoiceResponse
+{
+    public string? id { get; set; }
+    public string? @ref { get; set; }
+    public long? date { get; set; }
+
+    public long? date_lim_reglement { get; set; }
+
+    public string? socid { get; set; }
+    public string? total_ttc { get; set; }
+    public string? remaintopay { get; set; }
+    public string? statut { get; set; }
+}