Added back ModuleDependencies tool

Author: valdisiljuconoks

DeveloperTools/Controllers/ModuleDependenciesController.cs

@@ -1,32 +1,7 @@
 @using Microsoft.AspNetCore.Html
-@using System.Collections
-@using DeveloperTools.Models
-@using EPiServer.Shell
 @using Newtonsoft.Json
 @using Newtonsoft.Json.Serialization
-@inherits System.Web.Mvc.WebViewPage<DeveloperTools.Models.ModuleDependencyViewModel>
-
-@{
-    ViewBag.SkipDojo = true;
-    Layout = Paths.ToResource("EPiServer.DeveloperTools", "Views/Shared/DevToolsMaster.cshtml");
-}
-
-@section Styles {
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/vis/4.21.0/vis-network.min.css" integrity="sha256-tTIVWrgsLDcekkoaiqePYP86joMAiyp4KqEswPMmTfQ=" crossorigin="anonymous" />
-<style type="text/css">
-    #graphContainer {
-        margin: 0 auto;
-        display: block;
-        width: calc(100vw - 100px);
-        height: calc(100vh - 200px);
-    }
-
-    #modulesnetwork {
-        width: 100%;
-        height: 100%;
-    }
-</style>
-}
+@model EPiServer.DeveloperTools.Features.ModuleDependencies.ModuleDependencyViewModel
 
 <div class="epi-contentArea">
     <h1 class="EP-prefix">Module Dependencies</h1>
@@ -61,11 +36,28 @@
     </div>
 </div>
 
-@section Scripts {
+@section AdditionalStyles {
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/vis/4.21.0/vis-network.min.css" integrity="sha256-tTIVWrgsLDcekkoaiqePYP86joMAiyp4KqEswPMmTfQ=" crossorigin="anonymous" />
+    <style type="text/css">
+        #graphContainer {
+            margin: 0 auto;
+            display: block;
+            width: calc(100vw - 100px);
+            height: calc(100vh - 200px);
+        }
+
+        #modulesnetwork {
+            width: 100%;
+            height: 100%;
+        }
+    </style>
+}
+
+@section AdditionalScripts {
 <script src="https://cdnjs.cloudflare.com/ajax/libs/vis/4.21.0/vis.min.js" integrity="sha256-JuQeAGbk9rG/EoRMixuy5X8syzICcvB0dj3KindZkY0=" crossorigin="anonymous"></script>
 <script type="text/javascript">
-    var nodes = HtmlString.Create(JsonConvert.SerializeObject(Model.Nodes, new JsonSerializerSettings { ContractResolver = new CamelCasePropertyNamesContractResolver() })),
-        edges = HtmlString.Create(JsonConvert.SerializeObject(Model.Links, new JsonSerializerSettings { ContractResolver = new CamelCasePropertyNamesContractResolver() })),
+    var nodes = @(new HtmlString(JsonConvert.SerializeObject(Model.Nodes, new JsonSerializerSettings { ContractResolver = new CamelCasePropertyNamesContractResolver() }))),
+        edges = @(new HtmlString(JsonConvert.SerializeObject(Model.Links, new JsonSerializerSettings { ContractResolver = new CamelCasePropertyNamesContractResolver() }))),
         network,
         allNodes,
         highlightActive = false;
@@ -215,3 +207,4 @@
     redrawAll();
 </script>
 }
+

tests/temp/ModuleDependencies/Index.cshtml renamed to DeveloperTools/EPiServer.DeveloperTools.Views/Views/ModuleDependencies/Index.cshtml

@@ -44,10 +44,6 @@
     </None>
   </ItemGroup>
 
-  <ItemGroup>
-    <Folder Include="EPiServer.DeveloperTools.Views\Views\StartupPerf\" />
-  </ItemGroup>
-
   <PropertyGroup>
     <PostBuildEvent>powershell.exe -noexit -file "$(ProjectDir)copy-to-sandbox.ps1"</PostBuildEvent>
   </PropertyGroup>

DeveloperTools/EPiServer.DeveloperTools.csproj

@@ -0,0 +1,118 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using DeveloperTools.Models;
+using EPiServer.DeveloperTools.Features.Common;
+using EPiServer.Framework.Initialization;
+using EPiServer.ServiceLocation;
+using Microsoft.AspNetCore.Mvc;
+
+namespace EPiServer.DeveloperTools.Features.ModuleDependencies;
+
+public class ModuleDependenciesController : DeveloperToolsController
+{
+    private readonly Dictionary<string, int> _assemblyGroups = new();
+    private readonly IInitializationEngine _engine;
+
+    public ModuleDependenciesController(IInitializationEngine engine)
+    {
+        _engine = engine;
+    }
+
+    public ActionResult Index(bool showAll = false)
+    {
+        var sortedModules = GetSortedModules();
+
+        var modules = from module in sortedModules
+            let asmName = module.Type.Assembly.GetName().Name + ".dll"
+            select new ModuleInfo
+            {
+                Id = module.Type.FullName,
+                ModuleType = module.Type,
+                Label = module.Type.Name,
+                Title =
+                    $"Name: {module.Type.Name}<br>Type: {(typeof(IConfigurableModule).IsAssignableFrom(module.Type) ? "Configurable" : "Initializable")}<br>Namespace: {module.Type.Namespace}<br>Assembly: {asmName}",
+                Group = GetAssemblyGroup(asmName)
+            };
+
+        var dependencies = sortedModules.Where(_ => _.Dependencies.Count > 0)
+            .SelectMany(_ => _.Dependencies,
+                        (from, to) => new ModuleDependency { From = from.Type.FullName, To = to.FullName });
+
+        if (!showAll)
+        {
+            dependencies = dependencies.Where(_ => !_.From.StartsWith("EPiServer"));
+            modules = modules.Where(m => !m.ModuleType.FullName.StartsWith("EPiServer"))
+                .Union(modules.Where(m => dependencies.Any(d => d.To == m.ModuleType.FullName)))
+                .DistinctBy(_ => _.Id)
+                .ToList();
+        }
+
+        var model = new ModuleDependencyViewModel { Nodes = modules.ToList(), Links = dependencies.ToList(), ShowAll = showAll };
+
+        WeightModulesByDependants(model);
+
+        return View(model);
+    }
+
+    private void WeightModulesByDependants(ModuleDependencyViewModel model)
+    {
+        // process sizes of the modules
+        var incomingDeps = model.Links.GroupBy(_ => _.To)
+            .Select(group => new { Name = group.Key, Count = group.Count() });
+
+        foreach (var incomingDep in incomingDeps)
+        {
+            var m = model.Nodes.First(_ => _.Id == incomingDep.Name);
+            m.Size = m.Size + incomingDep.Count * 2;
+        }
+    }
+
+    private List<ExtractedModuleInfo> GetSortedModules()
+    {
+        var sortedModules =
+            _engine.GetType()
+                .GetField("_dependencySortedList", BindingFlags.NonPublic | BindingFlags.Instance)
+                .GetValue(_engine) as IList;
+        var result = new List<ExtractedModuleInfo>();
+
+        // some nasty dirty internal business to get sorted module list with dependencies
+        foreach (var module in sortedModules)
+        {
+            var t = module.GetType();
+
+            // we cannot cast to `ModuleNode` as this is internal type. we have to blindly invoke property from the underlying type
+            var moduleType = t.GetProperty("ModuleType", BindingFlags.Instance | BindingFlags.Public).GetValue(module) as Type;
+            var dependencies =
+                t.GetProperty("Dependencies", BindingFlags.Instance | BindingFlags.Public).GetValue(module) as IEnumerable;
+
+            var dependencyTypes = from object dep in dependencies
+                select dep as Type;
+
+            result.Add(new ExtractedModuleInfo { Type = moduleType, Dependencies = dependencyTypes.ToList() });
+        }
+
+        return result;
+    }
+
+    private int GetAssemblyGroup(string assemblyName)
+    {
+        if (!_assemblyGroups.Any())
+        {
+            _assemblyGroups.Add(assemblyName, 1);
+            return 1;
+        }
+
+        if (_assemblyGroups.ContainsKey(assemblyName))
+        {
+            return _assemblyGroups[assemblyName];
+        }
+
+        var max = _assemblyGroups.Max(_ => _.Value);
+        _assemblyGroups.Add(assemblyName, max + 1);
+
+        return max;
+    }
+}

DeveloperTools/Features/ModuleDependencies/ModuleDependenciesController.cs

@@ -0,0 +1,8 @@
+namespace EPiServer.DeveloperTools.Features.ModuleDependencies;
+
+public class ModuleDependency
+{
+    public string From { get; set; }
+
+    public string To { get; set; }
+}

DeveloperTools/Features/ModuleDependencies/ModuleDependency.cs

@@ -0,0 +1,12 @@
+using System.Collections.Generic;
+
+namespace EPiServer.DeveloperTools.Features.ModuleDependencies;
+
+public class ModuleDependencyViewModel
+{
+    public ICollection<ModuleInfo> Nodes { get; set; }
+
+    public ICollection<ModuleDependency> Links { get; set; }
+
+    public bool ShowAll { get; set; }
+}

DeveloperTools/Features/ModuleDependencies/ModuleDependencyViewModel.cs

@@ -0,0 +1,23 @@
+using System;
+
+namespace EPiServer.DeveloperTools.Features.ModuleDependencies;
+
+public class ModuleInfo
+{
+    public ModuleInfo()
+    {
+        Size = 10;
+    }
+
+    public string Id { get; set; }
+
+    public int Group { get; set; }
+
+    public int Size { get; set; }
+
+    public Type ModuleType { get; set; }
+
+    public string Label { get; set; }
+
+    public string Title { get; set; }
+}

DeveloperTools/Features/ModuleDependencies/ModuleInfo.cs

@@ -36,7 +36,7 @@ public IEnumerable<MenuItem> GetMenuItems()
             CreateUrlMenuItem("Remote Events", "RemoteEvent", 100),
             CreateUrlMenuItem("Routes", "Routes", 110),
             CreateUrlMenuItem("View Locations", "ViewLocations", 120),
-            //CreateUrlMenuItem("Module Dependencies", "ModuleDependencies", 130),
+            CreateUrlMenuItem("Module Dependencies", "ModuleDependencies", 130),
             CreateUrlMenuItem("Local Object Cache", "LocalObjectCache", 140)
         };
     }