add basic download page (#411)

9 files changed, 221 insertions, 3 deletions

diff --git a/src/SMAPI.Web/Controllers/IndexController.cs b/src/SMAPI.Web/Controllers/IndexController.cs
new file mode 100644
index 00000000..c2c5f2fe
--- /dev/null
+++ b/src/SMAPI.Web/Controllers/IndexController.cs
@@ -0,0 +1,79 @@
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+using StardewModdingAPI.Web.Framework.Clients.GitHub;
+using StardewModdingAPI.Web.ViewModels;
+
+namespace StardewModdingAPI.Web.Controllers
+{
+    /// <summary>Provides an info/download page about SMAPI.</summary>
+    [Route("")]
+    [Route("install")]
+    internal class IndexController : Controller
+    {
+        /*********
+        ** Properties
+        *********/
+        /// <summary>The GitHub API client.</summary>
+        private readonly IGitHubClient GitHub;
+
+
+        /*********
+        ** Public methods
+        *********/
+        /// <summary>Construct an instance.</summary>
+        /// <param name="github">The GitHub API client.</param>
+        public IndexController(IGitHubClient github)
+        {
+            this.GitHub = github;
+        }
+
+        /// <summary>Display the index page.</summary>
+        [HttpGet]
+        public async Task<ViewResult> Index()
+        {
+            // fetch latest SMAPI release
+            GitRelease release = await this.GitHub.GetLatestReleaseAsync("Pathoschild/SMAPI");
+            string downloadUrl = this.GetMainDownloadUrl(release);
+            string devDownloadUrl = this.GetDevDownloadUrl(release);
+
+            // render view
+            var model = new IndexModel(release.Name, release.Body, downloadUrl, devDownloadUrl);
+            return this.View(model);
+        }
+
+
+        /*********
+        ** Private methods
+        *********/
+        /// <summary>Get the main download URL for a SMAPI release.</summary>
+        /// <param name="release">The SMAPI release.</param>
+        private string GetMainDownloadUrl(GitRelease release)
+        {
+            // get main download URL
+            foreach (GitAsset asset in release.Assets ?? new GitAsset[0])
+            {
+                if (Regex.IsMatch(asset.FileName, @"SMAPI-[\d\.]+-installer.zip"))
+                    return asset.DownloadUrl;
+            }
+
+            // fallback just in case
+            return "https://github.com/pathoschild/SMAPI/releases";
+        }
+
+        /// <summary>Get the for-developers download URL for a SMAPI release.</summary>
+        /// <param name="release">The SMAPI release.</param>
+        private string GetDevDownloadUrl(GitRelease release)
+        {
+            // get dev download URL
+            foreach (GitAsset asset in release.Assets ?? new GitAsset[0])
+            {
+                if (Regex.IsMatch(asset.FileName, @"SMAPI-[\d\.]+-installer-for-developers.zip"))
+                    return asset.DownloadUrl;
+            }
+
+            // fallback just in case
+            return "https://github.com/pathoschild/SMAPI/releases";
+        }
+    }
+}
diff --git a/src/SMAPI.Web/Controllers/LogParserController.cs b/src/SMAPI.Web/Controllers/LogParserController.cs
index b9227a2f..ad979397 100644
--- a/src/SMAPI.Web/Controllers/LogParserController.cs
+++ b/src/SMAPI.Web/Controllers/LogParserController.cs
@@ -50,7 +50,6 @@ namespace StardewModdingAPI.Web.Controllers
         /// <summary>Render the log parser UI.</summary>
         /// <param name="id">The paste ID.</param>
         [HttpGet]
-        [Route("")]
         [Route("log")]
         [Route("log/{id}")]
         public ViewResult Index(string id = null)
diff --git a/src/SMAPI.Web/Framework/Clients/GitHub/GitAsset.cs b/src/SMAPI.Web/Framework/Clients/GitHub/GitAsset.cs
new file mode 100644
index 00000000..73ce4025
--- /dev/null
+++ b/src/SMAPI.Web/Framework/Clients/GitHub/GitAsset.cs
@@ -0,0 +1,20 @@
+using Newtonsoft.Json;
+
+namespace StardewModdingAPI.Web.Framework.Clients.GitHub
+{
+    /// <summary>A GitHub download attached to a release.</summary>
+    internal class GitAsset
+    {
+        /// <summary>The file name.</summary>
+        [JsonProperty("name")]
+        public string FileName { get; set; }
+
+        /// <summary>The file content type.</summary>
+        [JsonProperty("content_type")]
+        public string ContentType { get; set; }
+
+        /// <summary>The download URL.</summary>
+        [JsonProperty("browser_download_url")]
+        public string DownloadUrl { get; set; }
+    }
+}
diff --git a/src/SMAPI.Web/Framework/Clients/GitHub/GitRelease.cs b/src/SMAPI.Web/Framework/Clients/GitHub/GitRelease.cs
index 0a47f3b4..b944088d 100644
--- a/src/SMAPI.Web/Framework/Clients/GitHub/GitRelease.cs
+++ b/src/SMAPI.Web/Framework/Clients/GitHub/GitRelease.cs
@@ -15,5 +15,11 @@ namespace StardewModdingAPI.Web.Framework.Clients.GitHub
         /// <summary>The semantic version string.</summary>
         [JsonProperty("tag_name")]
         public string Tag { get; set; }
+
+        /// <summary>The Markdown description for the release.</summary>
+        public string Body { get; set; }
+
+        /// <summary>The attached files.</summary>
+        public GitAsset[] Assets { get; set; }
     }
 }
diff --git a/src/SMAPI.Web/Properties/launchSettings.json b/src/SMAPI.Web/Properties/launchSettings.json
index e485e4e3..88179044 100644
--- a/src/SMAPI.Web/Properties/launchSettings.json
+++ b/src/SMAPI.Web/Properties/launchSettings.json
@@ -11,7 +11,7 @@
     "IIS Express": {
       "commandName": "IISExpress",
       "launchBrowser": true,
-      "launchUrl": "log",
+      "launchUrl": "",
       "environmentVariables": {
         "ASPNETCORE_ENVIRONMENT": "Development"
       }
diff --git a/src/SMAPI.Web/StardewModdingAPI.Web.csproj b/src/SMAPI.Web/StardewModdingAPI.Web.csproj
index b5b0ff07..19198503 100644
--- a/src/SMAPI.Web/StardewModdingAPI.Web.csproj
+++ b/src/SMAPI.Web/StardewModdingAPI.Web.csproj
@@ -11,6 +11,7 @@
 
   <ItemGroup>
     <PackageReference Include="HtmlAgilityPack" Version="1.6.0" />
+    <PackageReference Include="Markdig" Version="0.14.8" />
     <PackageReference Include="Microsoft.AspNetCore" Version="2.0.0" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc" Version="2.0.0" />
     <PackageReference Include="Microsoft.AspNetCore.Rewrite" Version="2.0.0" />
diff --git a/src/SMAPI.Web/Startup.cs b/src/SMAPI.Web/Startup.cs
index 307c4ae9..c6e3f85d 100644
--- a/src/SMAPI.Web/Startup.cs
+++ b/src/SMAPI.Web/Startup.cs
@@ -134,7 +134,6 @@ namespace StardewModdingAPI.Web
 
                     // shortcut redirects
                     .Add(new RedirectToUrlRule("^/docs$", "https://stardewvalleywiki.com/Modding:Index"))
-                    .Add(new RedirectToUrlRule("^/install$", "https://stardewvalleywiki.com/Modding:Installing_SMAPI"))
                 )
                 .UseStaticFiles() // wwwroot folder
                 .UseMvc();
diff --git a/src/SMAPI.Web/ViewModels/IndexModel.cs b/src/SMAPI.Web/ViewModels/IndexModel.cs
new file mode 100644
index 00000000..6d3da91e
--- /dev/null
+++ b/src/SMAPI.Web/ViewModels/IndexModel.cs
@@ -0,0 +1,41 @@
+namespace StardewModdingAPI.Web.ViewModels
+{
+    /// <summary>The view model for the index page.</summary>
+    public class IndexModel
+    {
+        /*********
+        ** Accessors
+        *********/
+        /// <summary>The latest SMAPI version.</summary>
+        public string LatestVersion { 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; }
+
+
+        /*********
+        ** Public methods
+        *********/
+        /// <summary>Construct an instance.</summary>
+        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)
+        {
+            this.LatestVersion = latestVersion;
+            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
new file mode 100644
index 00000000..b2b8c0dd
--- /dev/null
+++ b/src/SMAPI.Web/Views/Index/Index.cshtml
@@ -0,0 +1,73 @@
+@{
+    ViewData["Title"] = "SMAPI";
+}
+@model StardewModdingAPI.Web.ViewModels.IndexModel
+
+<style>
+    li.main-download * {
+        font-size: 1.2em;
+        font-weight: bold;
+    }
+
+    li.main-download img {
+        height: 1em;
+    }
+
+    .github-description .noinclude {
+        display: none;
+    }
+
+    li small {
+        display: block;
+        width: 50em;
+    }
+</style>
+
+<p>
+    SMAPI is the modding API for Stardew Valley. It works fine with Steam achievements and the
+    overlay, you can uninstall it anytime, and there's a friendly community if you need help. It's
+    a cool boy.
+</p>
+
+<h2>Download and links</h2>
+<ul>
+    <li class="main-download"><a href="@Model.DownloadUrl">Download SMAPI @Model.LatestVersion</a> <img src="favicon.ico" /></li>
+    <li><a href="https://stardewvalleywiki.com/Modding:Installing_SMAPI">Install guide</a></li>
+    <li><a href="https://stardewvalleywiki.com/Modding:Player_FAQs">FAQs</a></li>
+    <li><a href="https://stardewvalleywiki.com/Modding:SMAPI_compatibility">Mod compatibility list</a></li>
+    <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>
+
+<h2>Support SMAPI ♥</h2>
+<ul>
+    <li><a href="https://www.paypal.me/pathoschild">Donate once</a></li>
+    <li>
+        <a href="https://www.patreon.com/pathoschild">Donate $1+/month</a><br />
+        <small>You'll have access to all private posts about behind-the-scenes info, upcoming features, and early previews of SMAPI updates. You can optionally provide early feedback on SMAPI features to influence development.</small>
+    </li>
+    <li><a href="https://github.com/Pathoschild/SMAPI">Contribute to the code</a></li>
+    <li><a href="https://community.playstarbound.com/threads/108375">Discuss, give feedback, or report bugs in the forums</a></li>
+</ul>
+
+<p>
+    Special thanks to
+    acerbicon,
+    <a href="https://www.nexusmods.com/stardewvalley/users/31393530">ChefRude</a>,
+    jwdred,
+    <a href="http://community.playstarbound.com/members/karmylla.637910/">Karmylla</a>,
+    OfficialPiAddict,
+    Robby LaFarge,
+    and a few anonymous users for supporting SMAPI; you're awesome!
+</p>
+
+<h2>For mod creators</h2>
+<ul>
+    <li><a href="@Model.DevDownloadUrl">SMAPI 2.2 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>