1 files changed, 66 insertions, 0 deletions
diff --git a/src/StardewModdingAPI.Web/Controllers/CheckController.cs b/src/StardewModdingAPI.Web/Controllers/CheckController.cs
new file mode 100644
index 00000000..8ab4611b
--- /dev/null
+++ b/src/StardewModdingAPI.Web/Controllers/CheckController.cs
@@ -0,0 +1,66 @@
+using System;
+using System.Collections.Generic;
+using System.Net.Http;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+using Newtonsoft.Json;
+using StardewModdingAPI.Web.Models;
+
+namespace StardewModdingAPI.Web.Controllers
+{
+    /// <summary>Provides an API to perform mod update checks.</summary>
+    [Produces("application/json")]
+    [Route("api/check")]
+    public class CheckController : Controller
+    {
+        /*********
+        ** Public methods
+        *********/
+        /// <summary>Fetch version metadata for the given mods.</summary>
+        /// <param name="mods">The mods for which to fetch update metadata.</param>
+        [HttpPost]
+        public async Task<string> Post([FromBody] NexusResponseModel[] mods)
+        {
+            using (var client = new HttpClient())
+            {
+                // the return array of mods
+                var modList = new List<ModGenericModel>();
+
+                foreach (var mod in mods)
+                {
+                    try
+                    {
+                        // create request with HttpRequestMessage
+                        var request = new HttpRequestMessage(HttpMethod.Get, new Uri($"http://www.nexusmods.com/stardewvalley/mods/{mod.ID}"));
+
+                        // add the Nexus Client useragent to get JSON response from the site
+                        request.Headers.UserAgent.ParseAdd("Nexus Client v0.63.15");
+
+                        // send the request out
+                        var response = await client.SendAsync(request);
+                        // ensure the response is valid (throws exception)
+                        response.EnsureSuccessStatusCode();
+
+                        // get the JSON string of the response
+                        var stringResponse = await response.Content.ReadAsStringAsync();
+
+                        // create the mod data from the JSON string
+                        var modData = JsonConvert.DeserializeObject<NexusResponseModel>(stringResponse);
+
+                        // add to the list of mods
+                        modList.Add(modData.ModInfo());
+                    }
+                    catch (Exception ex)
+                    {
+                        var modData = mod.ModInfo();
+                        modData.Valid = false;
+
+                        modList.Add(modData);
+                    }
+                }
+
+                return JsonConvert.SerializeObject(modList, new JsonSerializerSettings { NullValueHandling = NullValueHandling.Ignore });
+            }
+        }
+    }
+}