Creating server daemon. Added system info (not host info) and data usage endpoints

MoonlightServers.Daemon/Services/DockerInfoService.cs

@@ -0,0 +1,52 @@
+using Docker.DotNet;
+using MoonCore.Attributes;
+using MoonlightServers.Daemon.Helpers;
+using MoonlightServers.Daemon.Models.UnsafeDocker;
+
+namespace MoonlightServers.Daemon.Services;
+
+[Singleton]
+public class DockerInfoService
+{
+    private readonly DockerClient DockerClient;
+    private readonly UnsafeDockerClient UnsafeDockerClient;
+
+    public DockerInfoService(DockerClient dockerClient, UnsafeDockerClient unsafeDockerClient)
+    {
+        DockerClient = dockerClient;
+        UnsafeDockerClient = unsafeDockerClient;
+    }
+
+    public async Task<string> GetDockerVersion()
+    {
+        var version = await DockerClient.System.GetVersionAsync();
+
+        return $"{version.Version} commit {version.GitCommit} ({version.APIVersion})";
+    }
+
+    public async Task<UsageDataReport> GetDataUsage()
+    {
+        var response = await UnsafeDockerClient.GetDataUsage();
+
+        var report = new UsageDataReport()
+        {
+            Containers = new UsageData()
+            {
+                Used = response.Containers.Sum(x => x.SizeRw),
+                Reclaimable = 0
+            },
+            Images = new UsageData()
+            {
+                Used = response.Images.Sum(x => x.Size),
+                Reclaimable = response.Images.Where(x => x.Containers == 0).Sum(x => x.Size)
+            },
+            BuildCache = new UsageData()
+            {
+                Used = response.BuildCache.Sum(x => x.Size),
+                Reclaimable = response.BuildCache.Where(x => !x.InUse).Sum(x => x.Size)
+            }
+        };
+
+        return report;
+    }
+}