prepare home page for upcoming beta (#457)

4 files changed, 124 insertions, 33 deletions

diff --git a/src/SMAPI.Web/Controllers/IndexController.cs b/src/SMAPI.Web/Controllers/IndexController.cs
index 5d45118f..0464e50a 100644
--- a/src/SMAPI.Web/Controllers/IndexController.cs
+++ b/src/SMAPI.Web/Controllers/IndexController.cs
@@ -3,6 +3,7 @@ using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.Caching.Memory;
+using StardewModdingAPI.Common;
 using StardewModdingAPI.Web.Framework.Clients.GitHub;
 using StardewModdingAPI.Web.ViewModels;
 
@@ -23,7 +24,10 @@ namespace StardewModdingAPI.Web.Controllers
         private readonly IGitHubClient GitHub;
 
         /// <summary>The cache time for release info.</summary>
-        private readonly TimeSpan CacheTime = TimeSpan.FromMinutes(5);
+        private readonly TimeSpan CacheTime = TimeSpan.FromSeconds(1);
+
+        /// <summary>The GitHub repository name to check for update.</summary>
+        private readonly string RepositoryName = "Pathoschild/SMAPI";
 
 
         /*********
@@ -42,17 +46,24 @@ namespace StardewModdingAPI.Web.Controllers
         [HttpGet]
         public async Task<ViewResult> Index()
         {
-            // fetch latest SMAPI release
-            GitRelease release = await this.Cache.GetOrCreateAsync("latest-smapi-release", async entry =>
+            // fetch SMAPI releases
+            IndexVersionModel stableVersion = await this.Cache.GetOrCreateAsync("stable-version", async entry =>
+            {
+                entry.AbsoluteExpiration = DateTimeOffset.UtcNow.Add(this.CacheTime);
+                GitRelease release = await this.GitHub.GetLatestReleaseAsync(this.RepositoryName, includePrerelease: false);
+                return new IndexVersionModel(release.Name, release.Body, this.GetMainDownloadUrl(release), this.GetDevDownloadUrl(release));
+            });
+            IndexVersionModel betaVersion = await this.Cache.GetOrCreateAsync("beta-version", async entry =>
             {
                 entry.AbsoluteExpiration = DateTimeOffset.UtcNow.Add(this.CacheTime);
-                return await this.GitHub.GetLatestReleaseAsync("Pathoschild/SMAPI");
+                GitRelease release = await this.GitHub.GetLatestReleaseAsync(this.RepositoryName, includePrerelease: true);
+                return release.IsPrerelease
+                    ? this.GetBetaDownload(release)
+                    : null;
             });
-            string downloadUrl = this.GetMainDownloadUrl(release);
-            string devDownloadUrl = this.GetDevDownloadUrl(release);
 
             // render view
-            var model = new IndexModel(release.Name, release.Body, downloadUrl, devDownloadUrl);
+            var model = new IndexModel(stableVersion, betaVersion);
             return this.View(model);
         }
 
@@ -89,5 +100,33 @@ namespace StardewModdingAPI.Web.Controllers
             // fallback just in case
             return "https://github.com/pathoschild/SMAPI/releases";
         }
+
+        /// <summary>Get the latest beta download for a SMAPI release.</summary>
+        /// <param name="release">The SMAPI release.</param>
+        private IndexVersionModel GetBetaDownload(GitRelease release)
+        {
+            // get download with the latest version
+            SemanticVersionImpl latestVersion = null;
+            string latestUrl = null;
+            foreach (GitAsset asset in release.Assets ?? new GitAsset[0])
+            {
+                // parse version
+                Match versionMatch = Regex.Match(asset.FileName, @"SMAPI-([\d\.]+(?:-.+)?)-installer.zip");
+                if (!versionMatch.Success || !SemanticVersionImpl.TryParse(versionMatch.Groups[1].Value, out SemanticVersionImpl version))
+                    continue;
+
+                // save latest version
+                if (latestVersion == null || latestVersion.CompareTo(version) < 0)
+                {
+                    latestVersion = version;
+                    latestUrl = asset.DownloadUrl;
+                }
+            }
+
+            // return if prerelease
+            return latestVersion?.Tag != null
+                ? new IndexVersionModel(latestVersion.ToString(), release.Body, latestUrl, null)
+                : null;
+        }
     }
 }
diff --git a/src/SMAPI.Web/ViewModels/IndexModel.cs b/src/SMAPI.Web/ViewModels/IndexModel.cs
index 6d3da91e..4268c878 100644
--- a/src/SMAPI.Web/ViewModels/IndexModel.cs
+++ b/src/SMAPI.Web/ViewModels/IndexModel.cs
@@ -6,17 +6,11 @@ namespace StardewModdingAPI.Web.ViewModels
         /*********
         ** Accessors
         *********/
-        /// <summary>The latest SMAPI version.</summary>
-        public string LatestVersion { get; set; }
+        /// <summary>The latest stable SMAPI version.</summary>
+        public IndexVersionModel StableVersion { get; set; }
 
-        /// <summary>The Markdown description for the release.</summary>
-        public string Description { get; set; }
-
-        /// <summary>The main download URL.</summary>
-        public string DownloadUrl { get; set; }
-
-        /// <summary>The for-developers download URL.</summary>
-        public string DevDownloadUrl { get; set; }
+        /// <summary>The latest prerelease SMAPI version (if newer than <see cref="StableVersion"/>).</summary>
+        public IndexVersionModel BetaVersion { get; set; }
 
 
         /*********
@@ -26,16 +20,12 @@ namespace StardewModdingAPI.Web.ViewModels
         public IndexModel() { }
 
         /// <summary>Construct an instance.</summary>
-        /// <param name="latestVersion">The latest SMAPI version.</param>
-        /// <param name="description">The Markdown description for the release.</param>
-        /// <param name="downloadUrl">The main download URL.</param>
-        /// <param name="devDownloadUrl">The for-developers download URL.</param>
-        internal IndexModel(string latestVersion, string description, string downloadUrl, string devDownloadUrl)
+        /// <param name="stableVersion">The latest stable SMAPI version.</param>
+        /// <param name="betaVersion">The latest prerelease SMAPI version (if newer than <paramref name="stableVersion"/>).</param>
+        internal IndexModel(IndexVersionModel stableVersion, IndexVersionModel betaVersion)
         {
-            this.LatestVersion = latestVersion;
-            this.Description = description;
-            this.DownloadUrl = downloadUrl;
-            this.DevDownloadUrl = devDownloadUrl;
+            this.StableVersion = stableVersion;
+            this.BetaVersion = betaVersion;
         }
     }
 }
diff --git a/src/SMAPI.Web/ViewModels/IndexVersionModel.cs b/src/SMAPI.Web/ViewModels/IndexVersionModel.cs
new file mode 100644
index 00000000..4f63b979
--- /dev/null
+++ b/src/SMAPI.Web/ViewModels/IndexVersionModel.cs
@@ -0,0 +1,41 @@
+namespace StardewModdingAPI.Web.ViewModels
+{
+    /// <summary>The fields for a SMAPI version.</summary>
+    public class IndexVersionModel
+    {
+        /*********
+        ** Accessors
+        *********/
+        /// <summary>The release version.</summary>
+        public string Version { get; set; }
+
+        /// <summary>The Markdown description for the release.</summary>
+        public string Description { get; set; }
+
+        /// <summary>The main download URL.</summary>
+        public string DownloadUrl { get; set; }
+
+        /// <summary>The for-developers download URL (not applicable for prerelease versions).</summary>
+        public string DevDownloadUrl { get; set; }
+
+
+        /*********
+        ** Public methods
+        *********/
+        /// <summary>Construct an instance.</summary>
+        public IndexVersionModel() { }
+
+        /// <summary>Construct an instance.</summary>
+        /// <param name="version">The release number.</param>
+        /// <param name="description">The Markdown description for the release.</param>
+        /// <param name="downloadUrl">The main download URL.</param>
+        /// <param name="devDownloadUrl">The for-developers download URL (not applicable for prerelease versions).</param>
+        internal IndexVersionModel(string version, string description, string downloadUrl, string devDownloadUrl)
+        {
+            this.Version = version;
+            this.Description = description;
+            this.DownloadUrl = downloadUrl;
+            this.DevDownloadUrl = devDownloadUrl;
+        }
+    }
+}
diff --git a/src/SMAPI.Web/Views/Index/Index.cshtml b/src/SMAPI.Web/Views/Index/Index.cshtml
index ad58898e..4efb9f8a 100644
--- a/src/SMAPI.Web/Views/Index/Index.cshtml
+++ b/src/SMAPI.Web/Views/Index/Index.cshtml
@@ -13,7 +13,11 @@
 </p>
 
 <div id="call-to-action">
-    <a href="@Model.DownloadUrl" class="main-cta">Download SMAPI @Model.LatestVersion</a><br />
+    <a href="@Model.StableVersion.DownloadUrl" class="main-cta">Download SMAPI @Model.StableVersion.Version</a><br />
+    @if (Model.BetaVersion != null)
+    {
+        <a href="@Model.BetaVersion.DownloadUrl" class="secondary-cta">Download SMAPI @Model.BetaVersion.Version<br /><small>for Stardew Valley 1.3 beta</small></a><br />
+    }
     <a href="https://stardewvalleywiki.com/Modding:Installing_SMAPI" class="secondary-cta">Install guide</a><br />
     <a href="https://stardewvalleywiki.com/Modding:Player_FAQs" class="secondary-cta">FAQs</a><br />
     <img src="favicon.ico" />
@@ -25,12 +29,29 @@
     <li>Get help <a href="https://stardewvalleywiki.com/Modding:Community#Discord">on Discord</a> or <a href="https://community.playstarbound.com/threads/smapi-stardew-modding-api.108375/">in the forums</a></li>
 </ul>
 
-<h2>What's new in SMAPI @Model.LatestVersion?</h2>
-<div class="github-description">
-    @Html.Raw(Markdig.Markdown.ToHtml(Model.Description))
-</div>
+@if (Model.BetaVersion == null)
+{
+    <h2>What's new in SMAPI @Model.StableVersion.Version?</h2>
+    <div class="github-description">
+        @Html.Raw(Markdig.Markdown.ToHtml(Model.StableVersion.Description))
+    </div>
+    <p>See the <a href="https://github.com/Pathoschild/SMAPI/blob/develop/docs/release-notes.md#release-notes">release notes</a> and <a href="https://stardewvalleywiki.com/Modding:SMAPI_compatibility">mod compatibility list</a> for more info.</p>
+}
+else
+{
+    <h2>What's new in...</h2>
+    <h3>SMAPI @Model.StableVersion.Version?</h3>
+    <div class="github-description">
+        @Html.Raw(Markdig.Markdown.ToHtml(Model.StableVersion.Description))
+    </div>
+    <p>See the <a href="https://github.com/Pathoschild/SMAPI/blob/develop/docs/release-notes.md#release-notes">release notes</a> and <a href="https://stardewvalleywiki.com/Modding:SMAPI_compatibility">mod compatibility list</a> for more info.</p>
 
-<p>See the <a href="https://github.com/Pathoschild/SMAPI/blob/develop/docs/release-notes.md#release-notes">release notes</a> and <a href="https://stardewvalleywiki.com/Modding:SMAPI_compatibility">mod compatibility list</a> for more info.</p>
+    <h3>SMAPI @Model.BetaVersion.Version?</h3>
+    <div class="github-description">
+        @Html.Raw(Markdig.Markdown.ToHtml(Model.BetaVersion.Description))
+    </div>
+    <p>See the <a href="https://github.com/Pathoschild/SMAPI/blob/develop/docs/release-notes.md#release-notes">release notes</a> and <a href="https://stardewvalleywiki.com/Modding:SMAPI_compatibility">mod compatibility list</a> for more info.</p>
+}
 
 <h2>Donate to support SMAPI ♥</h2>
 <p>
@@ -62,7 +83,7 @@
 
 <h2>For mod creators</h2>
 <ul>
-    <li><a href="@Model.DevDownloadUrl">SMAPI @Model.LatestVersion for developers</a> (includes <a href="https://docs.microsoft.com/en-us/visualstudio/ide/using-intellisense">intellisense</a> and full console output)</li>
+    <li><a href="@Model.StableVersion.DevDownloadUrl">SMAPI @Model.StableVersion.Version for developers</a> (includes <a href="https://docs.microsoft.com/en-us/visualstudio/ide/using-intellisense">intellisense</a> and full console output)</li>
     <li><a href="https://stardewvalleywiki.com/Modding:Index">Modding documentation</a></li>
     <li>Need help? Come <a href="https://stardewvalleywiki.com/Modding:Community#Discord">chat on Discord</a>.</li>
 </ul>