#7895: Hangfire Dashboard does not know job names of missing assemblies

appveyor.yml

@@ -7,7 +7,7 @@
 #   - Section names should be unique on each level.
 
 # Don't edit manually! Use `build.bat version` command instead!
-version: 1.7.11-build-0{build}
+version: 1.7.12-build-0{build}
 
 os: Visual Studio 2019
 

src/Hangfire.Core/Common/TypeHelper.cs

@@ -16,6 +16,7 @@
 
 using System;
 using System.Collections.Concurrent;
+using System.Linq;
 using System.Reflection;
 using System.Runtime.CompilerServices;
 using System.Text;
@@ -228,5 +229,46 @@ private static Type TypeResolver(Assembly assembly, string typeName, bool ignore
             assembly = assembly ?? typeof(int).GetTypeInfo().Assembly;
             return assembly.GetType(typeName, true, ignoreCase);
         }
+
+        #region Text
+
+        public const string AssemblySeparator = ", ";
+        public const char NamespaceSeparator = '.';
+        public const char GenericArgumentsEnd = ']';
+        public const string GenericArgumentSeparator = ", ";
+        public const char MemberSeparator = '.';
+
+        public static void Split(string type, out string @namespace, out string name, out string assembly)
+        {
+            if (string.IsNullOrWhiteSpace(type))
+                @namespace = name = assembly = null;
+            else
+            {
+                // assembly
+                int index = type.IndexOf(GenericArgumentsEnd) + 1; // after generic arguments
+                index = type.IndexOf(AssemblySeparator, index);
+                if (index >= 0)
+                {
+                    assembly = type.Substring(index + AssemblySeparator.Length);
+                    type = type.Substring(0, index);
+                }
+                else
+                    assembly = null;
+                // namespace/name
+                index = type.LastIndexOf(NamespaceSeparator);
+                if (index >= 0)
+                {
+                    @namespace = type.Substring(0, index);
+                    name = type.Substring(index + 1);
+                }
+                else
+                {
+                    @namespace = null;
+                    name = type;
+                }
+            }
+        }
+
+        #endregion
     }
 }

src/Hangfire.Core/Dashboard/HtmlHelper.cs

@@ -28,6 +28,7 @@
 using Hangfire.Annotations;
 using Hangfire.Dashboard.Pages;
 using Hangfire.Dashboard.Resources;
+using Hangfire.Storage;
 
 namespace Hangfire.Dashboard
 {
@@ -126,11 +127,14 @@ public NonEscapedString JobId(string jobId, bool shorten = true)
                 : $"#{jobId}"));
         }
 
-        public string JobName(Job job)
+        public string JobName(Job job, InvocationData invocationData)
         {
             if (job == null)
             {
-                return Strings.Common_CannotFindTargetMethod;
+                string name = invocationData?.TypeMethodName;
+                return name is null ?
+                    Strings.Common_CannotFindTargetMethod :
+                    $"({name})";
             }
 
             var jobDisplayNameAttribute = job.Method.GetCustomAttribute<JobDisplayNameAttribute>();
@@ -194,9 +198,9 @@ public NonEscapedString JobIdLink(string jobId)
             return Raw($"<a href=\"{HtmlEncode(_page.Url.JobDetails(jobId))}\">{JobId(jobId)}</a>");
         }
 
-        public NonEscapedString JobNameLink(string jobId, Job job)
+        public NonEscapedString JobNameLink(string jobId, Job job, InvocationData invocationData)
         {
-            return Raw($"<a class=\"job-method\" href=\"{HtmlEncode(_page.Url.JobDetails(jobId))}\">{HtmlEncode(JobName(job))}</a>");
+            return Raw($"<a class=\"job-method\" href=\"{HtmlEncode(_page.Url.JobDetails(jobId))}\">{HtmlEncode(JobName(job, invocationData))}</a>");
         }
 
         public NonEscapedString RelativeTime(DateTime value)