Add list zone endpoint

Author: LouisMT

src/Core/AppJsonSerializerContext.cs

@@ -5,6 +5,8 @@
 namespace Core;
 
 [JsonSerializable(typeof(UpdateDnsRecordRequest))]
+[JsonSerializable(typeof(ListDnsRecordsResponse))]
+[JsonSerializable(typeof(ListResponse))]
 [JsonSerializable(typeof(UpdateDnsRecordResponse))]
 [JsonSerializable(typeof(UpdateResponse))]
 public partial class AppJsonSerializerContext : JsonSerializerContext

src/Core/Clients/CloudflareClient.cs

@@ -1,5 +1,6 @@
 using System.Text.Json;
 using Core.Requests;
+using Core.Responses;
 
 namespace Core.Clients;
 
@@ -35,4 +36,22 @@ public async Task UpdateDnsRecord(string zoneId, string dnsRecordId, string ipAd
             throw new Exception("Received unsuccessful response from Cloudflare API");
         }
     }
+
+    public async Task<IList<DnsRecordResponse>> ListDnsRecords(string zoneId)
+    {
+        using var requestMessage = new HttpRequestMessage(HttpMethod.Get, $"zones/{zoneId}/dns_records");
+
+        using var responseMessage = await httpClient.SendAsync(requestMessage);
+
+        responseMessage.EnsureSuccessStatusCode();
+
+        var response = await responseMessage.Content.ReadFromJsonAsync(_context.ListDnsRecordsResponse);
+
+        if (response is not { Success: true })
+        {
+            throw new Exception("Received unsuccessful response from Cloudflare API");
+        }
+
+        return response.Result;
+    }
 }

src/Core/Handlers/ListHandler.cs

@@ -0,0 +1,21 @@
+using Core.Clients;
+using Core.Responses;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Core.Handlers;
+
+public static class ListHandler
+{
+    public static async Task<IResult> Handle(
+        CloudflareClient cloudflareClient,
+        [FromQuery] string zoneId
+    )
+    {
+        var records = await cloudflareClient.ListDnsRecords(zoneId);
+
+        return Results.Ok(new ListResponse
+        {
+            Records = records
+        });
+    }
+}

src/Core/Program.cs

@@ -25,6 +25,7 @@ public static void Main(string[] args)
         var app = builder.Build();
 
         app.MapGet("/update", UpdateHandler.Handle);
+        app.MapGet("/list", ListHandler.Handle);
 
         app.Run();
     }

src/Core/Responses/DnsRecordResponse.cs

@@ -0,0 +1,10 @@
+namespace Core.Responses;
+
+public record DnsRecordResponse
+{
+    public required string Id { get; init; }
+
+    public required string Name { get; init; }
+
+    public required string Type { get; init; }
+}

src/Core/Responses/ListDnsRecordsResponse.cs

@@ -0,0 +1,8 @@
+namespace Core.Responses;
+
+public record ListDnsRecordsResponse
+{
+    public required bool Success { get; set; }
+
+    public required IList<DnsRecordResponse> Result { get; set; }
+};

src/Core/Responses/ListResponse.cs

@@ -0,0 +1,6 @@
+namespace Core.Responses;
+
+public record ListResponse
+{
+    public required IList<DnsRecordResponse> Records { get; init; }
+}