Merge branch 'feat/ContainerHelper' into v2.1

# Conflicts:
#	Moonlight.Api/Services/ApplicationService.cs
#	Moonlight.Api/Startup/Startup.Base.cs
#	Moonlight.Shared/Http/SerializationContext.cs

Moonlight.Api/Services/ContainerHelperService.cs

@@ -0,0 +1,117 @@
+using System.Net.Http.Headers;
+using System.Net.Http.Json;
+using System.Text.Json;
+using Moonlight.Api.Http.Services.ContainerHelper;
+using Moonlight.Api.Http.Services.ContainerHelper.Requests;
+using Moonlight.Api.Http.Services.ContainerHelper.Events;
+
+namespace Moonlight.Api.Services;
+
+public class ContainerHelperService
+{
+    private readonly IHttpClientFactory HttpClientFactory;
+
+    public ContainerHelperService(IHttpClientFactory httpClientFactory)
+    {
+        HttpClientFactory = httpClientFactory;
+    }
+
+    public async Task<bool> CheckConnectionAsync()
+    {
+        var client = HttpClientFactory.CreateClient("ContainerHelper");
+
+        try
+        {
+            var response = await client.GetAsync("api/ping");
+            response.EnsureSuccessStatusCode();
+
+            return true;
+        }
+        catch (Exception)
+        {
+            return false;
+        }
+    }
+
+    public async IAsyncEnumerable<RebuildEventDto> RebuildAsync(bool noBuildCache)
+    {
+        var client = HttpClientFactory.CreateClient("ContainerHelper");
+
+        var request = new HttpRequestMessage(HttpMethod.Post, "api/rebuild");
+
+        request.Content = JsonContent.Create(
+            new RequestRebuildDto(noBuildCache),
+            null,
+            SerializationContext.TunedOptions
+        );
+
+        var response = await client.SendAsync(
+            request,
+            HttpCompletionOption.ResponseHeadersRead
+        );
+
+        if (!response.IsSuccessStatusCode)
+        {
+            var responseText = await response.Content.ReadAsStringAsync();
+
+            yield return new RebuildEventDto()
+            {
+                Type = RebuildEventType.Failed,
+                Data = responseText
+            };
+
+            yield break;
+        }
+
+        await using var responseStream = await response.Content.ReadAsStreamAsync();
+        using var streamReader = new StreamReader(responseStream);
+
+        do
+        {
+            var line = await streamReader.ReadLineAsync();
+
+            if (line == null)
+                break;
+
+            if (string.IsNullOrWhiteSpace(line))
+                continue;
+
+            var data = line.Trim("data: ");
+            var deserializedData = JsonSerializer.Deserialize<RebuildEventDto>(data, SerializationContext.TunedOptions);
+
+            yield return deserializedData;
+
+            // Exit if service will go down for a clean exit
+            if (deserializedData is { Type: RebuildEventType.Step, Data: "ServiceDown" })
+                yield break;
+        } while (true);
+
+        yield return new RebuildEventDto()
+        {
+            Type = RebuildEventType.Succeeded,
+            Data = string.Empty
+        };
+    }
+
+    public async Task SetVersionAsync(string version)
+    {
+        var client = HttpClientFactory.CreateClient("ContainerHelper");
+
+        var response = await client.PostAsJsonAsync(
+            "api/configuration/version",
+            new SetVersionDto(version),
+            SerializationContext.TunedOptions
+        );
+
+        if (response.IsSuccessStatusCode)
+            return;
+
+        var problemDetails =
+            await response.Content.ReadFromJsonAsync<ProblemDetails>(SerializationContext.TunedOptions);
+
+        if (problemDetails == null)
+            throw new HttpRequestException($"Failed to set version: {response.ReasonPhrase}");
+
+        throw new HttpRequestException($"Failed to set version: {problemDetails.Detail ?? problemDetails.Title}");
+    }
+}