.idea/.idea.HopFrame/.idea/projectSettingsUpdater.xml

@@ -2,6 +2,7 @@
 <project version="4">
   <component name="RiderProjectSettingsUpdater">
     <option name="singleClickDiffPreview" value="1" />
+    <option name="unhandledExceptionsIgnoreList" value="1" />
     <option name="vcsConfiguration" value="3" />
   </component>
 </project>

.idea/.idea.HopFrame/.idea/workspace.xml

@@ -12,13 +12,19 @@
   </component>
   <component name="ChangeListManager">
     <list default="true" id="0648788e-7696-4e60-bf12-5d5601f33d8c" name="Changes" comment="">
-      <change afterPath="$PROJECT_DIR$/src/HopFrame.Web/Services/ISearchSuggestionProvider.cs" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/src/HopFrame.Web/Services/Implementation/SearchSuggestionProvider.cs" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/HopFrame.Core/Services/ISearchExpressionBuilder.cs" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/HopFrame.Core/Services/Implementations/SearchExpressionBuilder.cs" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/.idea.HopFrame/.idea/projectSettingsUpdater.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/.idea.HopFrame/.idea/projectSettingsUpdater.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/.idea.HopFrame/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/.idea.HopFrame/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/HopFrame.Core/ServiceCollectionExtensions.cs" beforeDir="false" afterPath="$PROJECT_DIR$/src/HopFrame.Core/ServiceCollectionExtensions.cs" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/HopFrame.Core/Services/Implementations/ContextExplorer.cs" beforeDir="false" afterPath="$PROJECT_DIR$/src/HopFrame.Core/Services/Implementations/ContextExplorer.cs" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/HopFrame.Core/Services/Implementations/RepositoryTableManager.cs" beforeDir="false" afterPath="$PROJECT_DIR$/src/HopFrame.Core/Services/Implementations/RepositoryTableManager.cs" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/HopFrame.Core/Services/Implementations/TableManager.cs" beforeDir="false" afterPath="$PROJECT_DIR$/src/HopFrame.Core/Services/Implementations/TableManager.cs" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/HopFrame.Web/Components/Pages/HopFrameTablePage.razor" beforeDir="false" afterPath="$PROJECT_DIR$/src/HopFrame.Web/Components/Pages/HopFrameTablePage.razor" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/HopFrame.Web/Components/Pages/HopFrameTablePage.razor.css" beforeDir="false" afterPath="$PROJECT_DIR$/src/HopFrame.Web/Components/Pages/HopFrameTablePage.razor.css" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/HopFrame.Web/ServiceCollectionExtensions.cs" beforeDir="false" afterPath="$PROJECT_DIR$/src/HopFrame.Web/ServiceCollectionExtensions.cs" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/testing/HopFrame.Testing/Models/User.cs" beforeDir="false" afterPath="$PROJECT_DIR$/testing/HopFrame.Testing/Models/User.cs" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/HopFrame.Web/Services/Implementation/SearchSuggestionProvider.cs" beforeDir="false" afterPath="$PROJECT_DIR$/src/HopFrame.Web/Services/Implementation/SearchSuggestionProvider.cs" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/tests/HopFrame.Tests.Core/Services/ContextExplorerTests.cs" beforeDir="false" afterPath="$PROJECT_DIR$/tests/HopFrame.Tests.Core/Services/ContextExplorerTests.cs" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/tests/HopFrame.Tests.Core/Services/DisplayPropertyTests.cs" beforeDir="false" afterPath="$PROJECT_DIR$/tests/HopFrame.Tests.Core/Services/DisplayPropertyTests.cs" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/tests/HopFrame.Tests.Core/Services/TableManagerTests.cs" beforeDir="false" afterPath="$PROJECT_DIR$/tests/HopFrame.Tests.Core/Services/TableManagerTests.cs" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -117,7 +123,7 @@
   &quot;associatedIndex&quot;: 3
 }</component>
   <component name="ProjectId" id="2raEUZtlphkj04rfRNtlQw6fPMU" />
-  <component name="ProjectLevelVcsManager" settingsEditedManually="true">
+  <component name="ProjectLevelVcsManager">
     <OptionsSetting value="false" id="Update" />
     <ConfirmationsSetting value="2" id="Add" />
   </component>
@@ -125,28 +131,28 @@
     <option name="hideEmptyMiddlePackages" value="true" />
     <option name="showLibraryContents" value="true" />
   </component>
-  <component name="PropertiesComponent">{
-  &quot;keyToString&quot;: {
-    &quot;.NET Launch Settings Profile.HopFrame.Testing.Api: https.executor&quot;: &quot;Run&quot;,
-    &quot;.NET Launch Settings Profile.HopFrame.Testing.executor&quot;: &quot;Run&quot;,
-    &quot;.NET Launch Settings Profile.HopFrame.Testing: https.executor&quot;: &quot;Run&quot;,
-    &quot;.NET Project.HopFrame.Testing.executor&quot;: &quot;Run&quot;,
-    &quot;72b118b0-a6fc-4561-acdf-74f0b454dbb8.executor&quot;: &quot;Debug&quot;,
-    &quot;RunOnceActivity.ShowReadmeOnStart&quot;: &quot;true&quot;,
-    &quot;RunOnceActivity.git.unshallow&quot;: &quot;true&quot;,
-    &quot;b5f11219-dfc4-47a1-b02c-90ab603034fb.executor&quot;: &quot;Debug&quot;,
-    &quot;dcdf1689-dc07-47e4-8824-2e60a4fbf301.executor&quot;: &quot;Debug&quot;,
-    &quot;git-widget-placeholder&quot;: &quot;!35 on feature/advanced-search&quot;,
-    &quot;list.type.of.created.stylesheet&quot;: &quot;CSS&quot;,
-    &quot;node.js.detected.package.eslint&quot;: &quot;true&quot;,
-    &quot;node.js.detected.package.tslint&quot;: &quot;true&quot;,
-    &quot;node.js.selected.package.eslint&quot;: &quot;(autodetect)&quot;,
-    &quot;node.js.selected.package.tslint&quot;: &quot;(autodetect)&quot;,
-    &quot;nodejs_package_manager_path&quot;: &quot;npm&quot;,
-    &quot;settings.editor.selected.configurable&quot;: &quot;preferences.pluginManager&quot;,
-    &quot;vue.rearranger.settings.migration&quot;: &quot;true&quot;
+  <component name="PropertiesComponent"><![CDATA[{
+  "keyToString": {
+    ".NET Launch Settings Profile.HopFrame.Testing.Api: https.executor": "Run",
+    ".NET Launch Settings Profile.HopFrame.Testing.executor": "Run",
+    ".NET Launch Settings Profile.HopFrame.Testing: https.executor": "Run",
+    ".NET Project.HopFrame.Testing.executor": "Run",
+    "72b118b0-a6fc-4561-acdf-74f0b454dbb8.executor": "Debug",
+    "RunOnceActivity.ShowReadmeOnStart": "true",
+    "RunOnceActivity.git.unshallow": "true",
+    "b5f11219-dfc4-47a1-b02c-90ab603034fb.executor": "Debug",
+    "dcdf1689-dc07-47e4-8824-2e60a4fbf301.executor": "Debug",
+    "git-widget-placeholder": "!35 on feature/advanced-search",
+    "list.type.of.created.stylesheet": "CSS",
+    "node.js.detected.package.eslint": "true",
+    "node.js.detected.package.tslint": "true",
+    "node.js.selected.package.eslint": "(autodetect)",
+    "node.js.selected.package.tslint": "(autodetect)",
+    "nodejs_package_manager_path": "npm",
+    "settings.editor.selected.configurable": "preferences.pluginManager",
+    "vue.rearranger.settings.migration": "true"
   }
-}</component>
+}]]></component>
   <component name="RunManager" selected=".NET Launch Settings Profile.HopFrame.Testing: https">
     <configuration name="HopFrame.Testing: http" type="LaunchSettings" factoryName=".NET Launch Settings Profile">
       <option name="LAUNCH_PROFILE_PROJECT_FILE_PATH" value="$PROJECT_DIR$/testing/HopFrame.Testing/HopFrame.Testing.csproj" />
@@ -272,15 +278,8 @@
       <workItem from="1744725284649" duration="60000" />
       <workItem from="1744916016381" duration="66000" />
       <workItem from="1744916106166" duration="49000" />
-      <workItem from="1744966207145" duration="5064000" />
-    </task>
-    <task id="LOCAL-00004" summary="Started working on listing page">
-      <option name="closed" value="true" />
-      <created>1736885531216</created>
-      <option name="number" value="00004" />
-      <option name="presentableId" value="LOCAL-00004" />
-      <option name="project" value="LOCAL" />
-      <updated>1736885531216</updated>
+      <workItem from="1744966207145" duration="5231000" />
+      <workItem from="1751713720880" duration="7160000" />
     </task>
     <task id="LOCAL-00005" summary="Added entry saving support">
       <option name="closed" value="true" />
@@ -666,7 +665,15 @@
       <option name="project" value="LOCAL" />
       <updated>1742063374318</updated>
     </task>
-    <option name="localTasksCounter" value="53" />
+    <task id="LOCAL-00053" summary="Started working on search suggestions">
+      <option name="closed" value="true" />
+      <created>1744971440348</created>
+      <option name="number" value="00053" />
+      <option name="presentableId" value="LOCAL-00053" />
+      <option name="project" value="LOCAL" />
+      <updated>1744971440348</updated>
+    </task>
+    <option name="localTasksCounter" value="54" />
     <servers />
   </component>
   <component name="TypeScriptGeneratedFilesManager">
@@ -696,7 +703,6 @@
   <component name="UnityProjectConfiguration" hasMinimizedUI="false" />
   <component name="VcsManagerConfiguration">
     <option name="CLEAR_INITIAL_COMMIT_MESSAGE" value="true" />
-    <MESSAGE value="Added n-m relation mapping" />
     <MESSAGE value="Fixed wrong element selection for action buttons" />
     <MESSAGE value="Implemented primitive change reversion" />
     <MESSAGE value="Implemented deferred entry manipulation" />
@@ -721,6 +727,38 @@
     <MESSAGE value="Added support for custom repositories" />
     <MESSAGE value="Added documentation for custom repos and exporter plugin" />
     <MESSAGE value="Implemented sql search + negatable searches" />
-    <option name="LAST_COMMIT_MESSAGE" value="Implemented sql search + negatable searches" />
+    <MESSAGE value="Started working on search suggestions" />
+    <option name="LAST_COMMIT_MESSAGE" value="Started working on search suggestions" />
+  </component>
+  <component name="XDebuggerManager">
+    <breakpoint-manager>
+      <breakpoints>
+        <breakpoint enabled="true" type="DotNet_Exception_Breakpoints">
+          <properties exception="System.OperationCanceledException" breakIfHandledByOtherCode="false" displayValue="System.OperationCanceledException" />
+          <option name="timeStamp" value="1" />
+        </breakpoint>
+        <breakpoint enabled="true" type="DotNet_Exception_Breakpoints">
+          <properties exception="System.Threading.Tasks.TaskCanceledException" breakIfHandledByOtherCode="false" displayValue="System.Threading.Tasks.TaskCanceledException" />
+          <option name="timeStamp" value="2" />
+        </breakpoint>
+        <breakpoint enabled="true" type="DotNet_Exception_Breakpoints">
+          <properties exception="System.Threading.ThreadAbortException" breakIfHandledByOtherCode="false" displayValue="System.Threading.ThreadAbortException" />
+          <option name="timeStamp" value="3" />
+        </breakpoint>
+        <line-breakpoint enabled="true" type="DotNet Breakpoints">
+          <url>file://$PROJECT_DIR$/src/HopFrame.Core/Services/Implementations/SearchExpressionBuilder.cs</url>
+          <line>102</line>
+          <properties documentPath="C:\Users\leon\Documents\Projekte\HopFrame\src\HopFrame.Core\Services\Implementations\SearchExpressionBuilder.cs" containingFunctionPresentation="Method 'BuildSearchExpression'">
+            <startOffsets>
+              <option value="4460" />
+            </startOffsets>
+            <endOffsets>
+              <option value="4503" />
+            </endOffsets>
+          </properties>
+          <option name="timeStamp" value="12" />
+        </line-breakpoint>
+      </breakpoints>
+    </breakpoint-manager>
   </component>
 </project>

src/HopFrame.Core/ServiceCollectionExtensions.cs

@@ -17,6 +17,7 @@ public static class ServiceCollectionExtensions {
         services.AddScoped<IContextExplorer, ContextExplorer>();
         services.TryAddScoped<IHopFrameAuthHandler, DefaultAuthHandler>();
         services.TryAddScoped<ICallbackEmitter, CallbackEmitter>();
+        services.AddScoped<ISearchExpressionBuilder, SearchExpressionBuilder>();
         return services;
     }
     

src/HopFrame.Core/Services/ISearchExpressionBuilder.cs

@@ -0,0 +1,9 @@
+using System.Linq.Expressions;
+using System.Reflection;
+using HopFrame.Core.Config;
+
+namespace HopFrame.Core.Services;
+
+public interface ISearchExpressionBuilder {
+    Expression? BuildSearchExpression(TableConfig table, string searchTerm, ParameterExpression parameter);
+}

src/HopFrame.Core/Services/Implementations/ContextExplorer.cs

@@ -50,12 +50,12 @@ internal sealed class ContextExplorer(HopFrameConfig config, IServiceProvider pr
 
             if (context is DbContextConfig) {
                 var type = typeof(TableManager<>).MakeGenericType(table.TableType);
-                return Activator.CreateInstance(type, (DbContext)repo, table, this, provider) as ITableManager;
+                return Activator.CreateInstance(type, (DbContext)repo, table, this, provider, provider.GetRequiredService<ISearchExpressionBuilder>()) as ITableManager;
             }
             
             if (context is RepositoryGroupConfig repoConfig) {
                 var type = typeof(RepositoryTableManager<,>).MakeGenericType(table.TableType, repoConfig.KeyProperty.PropertyType);
-                return Activator.CreateInstance(type, repo, this, provider) as ITableManager;
+                return Activator.CreateInstance(type, repo, this, provider, provider.GetRequiredService<ISearchExpressionBuilder>()) as ITableManager;
             }
         }
 
@@ -72,12 +72,12 @@ internal sealed class ContextExplorer(HopFrameConfig config, IServiceProvider pr
 
             if (context is DbContextConfig) {
                 var type = typeof(TableManager<>).MakeGenericType(table.TableType);
-                return Activator.CreateInstance(type, (DbContext)repo, table, this, provider) as ITableManager;
+                return Activator.CreateInstance(type, (DbContext)repo, table, this, provider, provider.GetRequiredService<ISearchExpressionBuilder>()) as ITableManager;
             }
             
             if (context is RepositoryGroupConfig repoConfig) {
                 var type = typeof(RepositoryTableManager<,>).MakeGenericType(table.TableType, repoConfig.KeyProperty.PropertyType);
-                return Activator.CreateInstance(type, repo, this, provider) as ITableManager;
+                return Activator.CreateInstance(type, repo, this, provider, provider.GetRequiredService<ISearchExpressionBuilder>()) as ITableManager;
             }
         }
 

src/HopFrame.Core/Services/Implementations/RepositoryTableManager.cs

@@ -3,7 +3,7 @@ using HopFrame.Core.Repositories;
 
 namespace HopFrame.Core.Services.Implementations;
 
-public class RepositoryTableManager<TModel, TKey>(IHopFrameRepository<TModel, TKey> repo, IContextExplorer explorer, IServiceProvider provider) : ITableManager where TModel : class {
+public class RepositoryTableManager<TModel, TKey>(IHopFrameRepository<TModel, TKey> repo, IContextExplorer explorer, IServiceProvider provider, ISearchExpressionBuilder searchExpressionBuilder) : ITableManager where TModel : class {
     public async Task<IEnumerable<object>> LoadPage(int page, int perPage = 20) {
         return await repo.LoadPage(page, perPage);
     }
@@ -34,7 +34,7 @@ public class RepositoryTableManager<TModel, TKey>(IHopFrameRepository<TModel, TK
         return await repo.GetOne((TKey)key);
     }
     public async Task<string> DisplayProperty(object? item, PropertyConfig prop, object? value = null, object? enumerableValue = null) {
-        var manager = new TableManager<TModel>(null!, null!, explorer, provider);
+        var manager = new TableManager<TModel>(null!, null!, explorer, provider, searchExpressionBuilder);
         return await manager.DisplayProperty(item, prop, value, enumerableValue);
     }
 }

src/HopFrame.Core/Services/Implementations/SearchExpressionBuilder.cs

@@ -0,0 +1,151 @@
+using System.Linq.Expressions;
+using System.Reflection;
+using HopFrame.Core.Config;
+
+namespace HopFrame.Core.Services.Implementations;
+
+internal sealed class SearchExpressionBuilder(IContextExplorer explorer) : ISearchExpressionBuilder {
+    private readonly struct SearchPart {
+        public string? Property { get; init; }
+        public string Term { get; init; }
+        public bool Negated { get; init; }
+    }
+    
+    private Expression AddPropertySearchExpression(PropertyInfo property, ParameterExpression parameter, string searchTerm, PropertyConfig config) {
+        Expression propertyAccess = Expression.Property(parameter, property);
+
+        if (config.IsEnumerable) { //Call Count() extension method before checking the search term
+            propertyAccess = Expression.Property(propertyAccess, config.Info.PropertyType.GetProperty(nameof(List<object>.Count))!);
+        }
+        
+        var toStringCall = Expression.Call(propertyAccess, nameof(ToString), Type.EmptyTypes);
+        var searchExpression = Expression.Call(
+            toStringCall,
+            typeof(string).GetMethod(config.IsEnumerable ? nameof(string.Equals) : nameof(string.Contains), [typeof(string)])!,
+            Expression.Constant(searchTerm));
+
+        return searchExpression;
+    }
+
+    private Expression AddForeignPropertySearchExpression(PropertyInfo navigationProperty, PropertyInfo displayedProperty, ParameterExpression parameter, string searchTerm) {
+        var navigationAccess = Expression.Property(parameter, navigationProperty);
+        var nullCheck = Expression.NotEqual(navigationAccess, Expression.Constant(null));
+        var displayedPropertyAccess = Expression.Property(navigationAccess, displayedProperty);
+
+        var toStringCall = Expression.Call(displayedPropertyAccess, nameof(ToString), Type.EmptyTypes);
+        var searchExpression = Expression.Call(
+            toStringCall,
+            typeof(string).GetMethod(nameof(string.Contains), new[] { typeof(string) })!,
+            Expression.Constant(searchTerm));
+
+        return Expression.AndAlso(nullCheck, searchExpression);
+    }
+
+    private IEnumerable<PropertyInfo> GetSuitableProperties(TableConfig table) {
+        Type[] validTypes = [typeof(string), typeof(Guid), typeof(DateTime), typeof(DateOnly), typeof(TimeOnly)];
+        
+        return table.Properties
+            .Where(prop => !prop.IsVirtualProperty)
+            .Where(prop => prop.List)
+            .Where(prop => prop.Searchable)
+            .Where(prop => prop.Info.PropertyType.IsEnum || validTypes.Contains(prop.Info.PropertyType) || prop.IsEnumerable)
+            .Select(prop => prop.Info);
+    }
+
+    private IEnumerable<(PropertyInfo navigation, PropertyInfo display)> GetSuitableForeignProperties(TableConfig table) {
+        return table.Properties
+            .Where(prop => prop.List)
+            .Where(prop => prop.IsRelation)
+            .Where(prop => prop.Searchable)
+            .Where(prop => prop.DisplayedProperty != null)
+            .Select(prop => (prop.Info, explorer
+                .GetTable(prop.Info.PropertyType)!.Properties
+                .Find(p => p.Info.Name == prop.DisplayedProperty!.Name)!
+                .Info));
+    }
+
+    private IEnumerable<SearchPart> ExtractSearchParts(string searchTerm) {
+        var rawParts = searchTerm.Split(' ');
+        var parts = new List<SearchPart>();
+        
+        foreach (var part in rawParts) {
+            if (string.IsNullOrWhiteSpace(part))
+                continue;
+            
+            if (!part.Contains('=')) {
+                var negated = part.StartsWith('!');
+                
+                parts.Add(new() {
+                    Term = negated ? part[1..] : part,
+                    Negated = negated,
+                });
+                continue;
+            }
+
+            var split = part.Split('=');
+            var term = string.Join('=', split[1..]);
+            var termNegated = term.StartsWith('!');
+            
+            parts.Add(new() {
+                Property = split[0],
+                Term = termNegated ? term[1..] : term,
+                Negated = termNegated
+            });
+        }
+
+        return parts;
+    }
+
+    public Expression? BuildSearchExpression(TableConfig table, string searchTerm, ParameterExpression parameter) {
+        var properties = GetSuitableProperties(table).ToArray();
+        var foreignProperties = GetSuitableForeignProperties(table).ToArray();
+
+        var parts = ExtractSearchParts(searchTerm);
+        
+        Expression? expression = null;
+        foreach (var part in parts) {
+            Expression? subExp = null;
+            
+            if (part.Property is null) {
+                foreach (var property in properties) {
+                    var exp = AddPropertySearchExpression(property, parameter, part.Term, table.Properties.First(p => p.Info == property));
+                    subExp = subExp is null
+                        ? exp
+                        : Expression.OrElse(subExp, exp);
+                }
+                
+                foreach (var property in foreignProperties) {
+                    var exp = AddForeignPropertySearchExpression(property.navigation, property.display, parameter, part.Term);
+                    subExp = subExp is null
+                        ? exp
+                        : Expression.OrElse(subExp, exp);
+                }
+                
+                if (subExp is null)
+                    continue;
+            }
+
+            var prop = properties.FirstOrDefault(p => p.Name == part.Property);
+            if (prop is not null) {
+                subExp = AddPropertySearchExpression(prop, parameter, part.Term, table.Properties.First(p => p.Info == prop));
+            }
+
+            var forProp = foreignProperties.FirstOrDefault(p => p.navigation.Name == part.Property);
+            if (forProp.navigation is not null) {
+                subExp = AddForeignPropertySearchExpression(forProp.navigation, forProp.display, parameter, part.Term);
+            }
+            
+            if (subExp is null)
+                continue;
+            
+            if (part.Negated)
+                subExp = Expression.Not(subExp);
+
+            expression = expression is null
+                ? subExp
+                : Expression.AndAlso(expression, subExp);
+        }
+
+        return expression;
+    }
+}

src/HopFrame.Core/Services/Implementations/TableManager.cs

@@ -1,6 +1,7 @@
 using System.Collections;
 using System.ComponentModel.DataAnnotations;
 using System.Linq.Expressions;
+using System.Reflection;
 using System.Reflection.Metadata;
 using HopFrame.Core.Config;
 using Microsoft.EntityFrameworkCore;
@@ -8,7 +9,7 @@ using Microsoft.EntityFrameworkCore.ChangeTracking;
 
 namespace HopFrame.Core.Services.Implementations;
 
-internal sealed class TableManager<TModel>(DbContext context, TableConfig config, IContextExplorer explorer, IServiceProvider provider) : ITableManager where TModel : class {
+internal sealed class TableManager<TModel>(DbContext context, TableConfig config, IContextExplorer explorer, IServiceProvider provider, ISearchExpressionBuilder searchExpressionBuilder) : ITableManager where TModel : class {
     
     public async Task<IEnumerable<object>> LoadPage(int page, int perPage = 20) {
         var table = context.Set<TModel>();
@@ -22,70 +23,13 @@ internal sealed class TableManager<TModel>(DbContext context, TableConfig config
     public async Task<(IEnumerable<object>, int)> Search(string searchTerm, int page = 0, int perPage = 20) {
         var table = context.Set<TModel>();
 
-        var isNegative = searchTerm.StartsWith('!');
-        if (isNegative)
-            searchTerm = searchTerm[1..];
-
-        Type[] validTypes = [typeof(string), typeof(Guid)];
-        
         var parameter = Expression.Parameter(typeof(TModel), "x");
-        var properties = config.Properties
-            .Where(prop => !prop.IsVirtualProperty)
-            .Where(prop => prop.List)
-            .Where(prop => prop.Info.PropertyType.IsEnum || validTypes.Contains(prop.Info.PropertyType))
-            .Select(prop => prop.Info);
+        var exp = searchExpressionBuilder.BuildSearchExpression(config, searchTerm, parameter);
         
-        Expression? combinedExpression = null;
+        if (exp is null)
+            return ([], 0);
         
-        foreach (var property in properties) {
-            var propertyAccess = Expression.Property(parameter, property);
-            var toStringCall = Expression.Call(propertyAccess, nameof(ToString), Type.EmptyTypes);
-            var searchExpression = Expression.Call(
-                toStringCall,
-                typeof(string).GetMethod(nameof(string.Contains), [typeof(string)])!,
-                Expression.Constant(searchTerm));
-
-            combinedExpression = combinedExpression == null
-                ? searchExpression
-                : Expression.OrElse(combinedExpression, searchExpression);
-        }
-
-        var foreignProperties = config.Properties
-            .Where(prop => prop.List)
-            .Where(prop => prop.IsRelation)
-            .Where(prop => prop.DisplayedProperty != null)
-            .Select(prop => (prop.Info, explorer
-                .GetTable(prop.Info.PropertyType)!.Properties
-                .Find(p => p.Info.Name == prop.DisplayedProperty!.Name)!
-                .Info));
-        
-        foreach (var (navigationProperty, displayedProperty) in foreignProperties) {
-            var navigationAccess = Expression.Property(parameter, navigationProperty);
-            var nullCheck = Expression.NotEqual(navigationAccess, Expression.Constant(null));
-            var displayedPropertyAccess = Expression.Property(navigationAccess, displayedProperty);
-
-            var toStringCall = Expression.Call(displayedPropertyAccess, nameof(ToString), Type.EmptyTypes);
-            var searchExpression = Expression.Call(
-                toStringCall,
-                typeof(string).GetMethod(nameof(string.Contains), new[] { typeof(string) })!,
-                Expression.Constant(searchTerm));
-
-            var safeSearchExpression = Expression.AndAlso(nullCheck, searchExpression);
-
-            combinedExpression = combinedExpression == null
-                ? safeSearchExpression
-                : Expression.OrElse(combinedExpression, safeSearchExpression);
-        }
-
-        if (combinedExpression == null)
-            return (
-                await LoadPage(page, perPage),
-                await TotalPages(perPage));
-
-        if (isNegative)
-            combinedExpression = Expression.Not(combinedExpression);
-
-        var lambda = Expression.Lambda<Func<TModel, bool>>(combinedExpression, parameter);
+        var lambda = Expression.Lambda<Func<TModel, bool>>(exp, parameter);
         var result = await IncludeForeignKeys(table)
             .Where(lambda)
             .Skip(page * perPage)

src/HopFrame.Web/Components/Pages/HopFrameTablePage.razor

@@ -300,12 +300,17 @@
         await Reload();
     }
     
-    private void SearchSuggestionSelected(string? suggestion) {
+    private async Task SearchSuggestionSelected(string? suggestion) {
         if (string.IsNullOrWhiteSpace(suggestion)) return;
         _searchTerm = SearchSuggestions.CompleteSearchSuggestion(_config!, _searchTerm ?? string.Empty, suggestion);
         _searchBox!.Value = _searchTerm;
         _searchBox.FocusAsync();
         UpdateSearchSuggestions();
+
+        if (!suggestion.EndsWith('='))
+            await OnSearch(new() {
+                Value = _searchTerm
+            });
     }
 
     private void UpdateSearchSuggestions() {

src/HopFrame.Web/Services/Implementation/SearchSuggestionProvider.cs

@@ -4,7 +4,7 @@ using HopFrame.Web.Helpers;
 
 namespace HopFrame.Web.Services.Implementation;
 
-public sealed class SearchSuggestionProvider(IContextExplorer explorer, IServiceProvider provider) : ISearchSuggestionProvider {
+public sealed class SearchSuggestionProvider : ISearchSuggestionProvider {
     
     public IEnumerable<string> GenerateSearchSuggestions(TableConfig table, string searchText) {
         if (table.ContextConfig is not DbContextConfig) return [];
@@ -27,15 +27,6 @@ public sealed class SearchSuggestionProvider(IContextExplorer explorer, IService
 
             if (property.Info.PropertyType == typeof(TimeOnly))
                 return [TimeOnly.FromDateTime(DateTime.Now).ToString()];
-
-            if (property.IsRelation) {
-                var manager = explorer.GetTableManager(table.TableType);
-                var entries = manager!.LoadPage(0, 100).Result;
-                return entries
-                    .Select(e => manager.DisplayProperty(e, property).Result)
-                    .Distinct()
-                    .Take(10);
-            }
         }
 
         if (searchText.Length != 0 && !searchText.EndsWith(' '))
@@ -45,6 +36,7 @@ public sealed class SearchSuggestionProvider(IContextExplorer explorer, IService
         var searchableProperties = table.Properties
             .Where(p => !p.IsVirtualProperty)
             .Where(p => p.List)
+            .Where(p => p.Searchable)
             .Where(p => 
                 p.Info.PropertyType.IsEnum || 
                 p.Info.PropertyType.IsNumeric() ||

tests/HopFrame.Tests.Core/Services/ContextExplorerTests.cs

@@ -1,6 +1,8 @@
 using HopFrame.Core.Config;
+using HopFrame.Core.Services;
 using HopFrame.Core.Services.Implementations;
 using HopFrame.Tests.Core.Models;
+using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using Moq;
 
@@ -121,6 +123,7 @@ public class ContextExplorerTests {
         var dbContext = new MockDbContext();
         var provider = new Mock<IServiceProvider>();
         provider.Setup(p => p.GetService(typeof(MockDbContext))).Returns(dbContext);
+        provider.Setup(p => p.GetService(typeof(ISearchExpressionBuilder))).Returns(new Mock<ISearchExpressionBuilder>().Object);
         var contextExplorer = new ContextExplorer(config, provider.Object, new Logger<ContextExplorer>(new LoggerFactory()));
 
         // Act

tests/HopFrame.Tests.Core/Services/DisplayPropertyTests.cs

@@ -19,7 +19,7 @@ public class DisplayPropertyTests {
         _explorerMock = new Mock<IContextExplorer>();
         _config = new TableConfig(new DbContextConfig(typeof(MockDbContext), null!), typeof(MockModel), "Models", 0);
         _tableManager =
-            new TableManager<object>(contextMock.Object, _config, _explorerMock.Object, _providerMock.Object);
+            new TableManager<object>(contextMock.Object, _config, _explorerMock.Object, _providerMock.Object, new SearchExpressionBuilder(_explorerMock.Object));
     }
 
     [Fact]

tests/HopFrame.Tests.Core/Services/TableManagerTests.cs

@@ -10,6 +10,9 @@ using Moq;
 namespace HopFrame.Tests.Core.Services;
 
 public class TableManagerTests {
+
+    private Mock<ISearchExpressionBuilder> _searchBuilderMock = new();
+    
     private Mock<DbContext> CreateMockDbContext<TModel>(List<TModel> data) where TModel : class {
         var dbContext = new Mock<DbContext>();
         var dbSet = CreateMockDbSet(data);
@@ -51,7 +54,7 @@ public class TableManagerTests {
         var config = new TableConfig(new DbContextConfig(typeof(MockDbContext), null!), typeof(MockModel), "Models", 0);
         var explorer = new Mock<IContextExplorer>();
         var provider = new Mock<IServiceProvider>();
-        var manager = new TableManager<MockModel>(dbContext.Object, config, explorer.Object, provider.Object);
+        var manager = new TableManager<MockModel>(dbContext.Object, config, explorer.Object, provider.Object, _searchBuilderMock.Object);
 
         // Act
         var result = (await manager.LoadPage(1, 2)).ToArray();
@@ -61,32 +64,6 @@ public class TableManagerTests {
         Assert.Equal("Item3", ((MockModel)result[0]).Name);
     }
 
-    [Fact]
-    public async Task Search_ReturnsMatchingData() {
-        // Arrange
-        var data = new List<MockModel> {
-            new MockModel { Id = 1, Name = "Item1" },
-            new MockModel { Id = 2, Name = "Item2" },
-            new MockModel { Id = 3, Name = "TestItem" }
-        };
-        var dbContext = CreateMockDbContext(data);
-        var config = new TableConfig(new DbContextConfig(typeof(MockDbContext), null!), typeof(MockModel), "Models", 0);
-        config.Properties.Add(new PropertyConfig(typeof(MockModel).GetProperty("Name")!, config, 0)
-            { Searchable = true });
-        var explorer = new Mock<IContextExplorer>();
-        var provider = new Mock<IServiceProvider>();
-        var manager = new TableManager<MockModel>(dbContext.Object, config, explorer.Object, provider.Object);
-
-        // Act
-        var (result, totalPages) = await manager.Search("Test", 0, 2);
-
-        // Assert
-        var collection = result as object[] ?? result.ToArray();
-        Assert.Single(collection);
-        Assert.Equal("TestItem", ((MockModel)collection.First()).Name);
-        Assert.Equal(1, totalPages);
-    }
-
     [Fact]
     public async Task TotalPages_ReturnsCorrectPageCount() {
         // Arrange
@@ -99,7 +76,7 @@ public class TableManagerTests {
         var config = new TableConfig(new DbContextConfig(typeof(MockDbContext), null!), typeof(MockModel), "Models", 0);
         var explorer = new Mock<IContextExplorer>();
         var provider = new Mock<IServiceProvider>();
-        var manager = new TableManager<MockModel>(dbContext, config, explorer.Object, provider.Object);
+        var manager = new TableManager<MockModel>(dbContext, config, explorer.Object, provider.Object, _searchBuilderMock.Object);
         await dbContext.Models.AddRangeAsync(data);
         await dbContext.SaveChangesAsync();
 
@@ -121,7 +98,7 @@ public class TableManagerTests {
         var config = new TableConfig(new DbContextConfig(typeof(MockDbContext), null!), typeof(MockModel), "Models", 0);
         var explorer = new Mock<IContextExplorer>();
         var provider = new Mock<IServiceProvider>();
-        var manager = new TableManager<MockModel>(dbContext.Object, config, explorer.Object, provider.Object);
+        var manager = new TableManager<MockModel>(dbContext.Object, config, explorer.Object, provider.Object, _searchBuilderMock.Object);
         var item = data.First();
 
         // Act
@@ -142,7 +119,7 @@ public class TableManagerTests {
         var config = new TableConfig(new DbContextConfig(typeof(MockDbContext), null!), typeof(MockModel), "Models", 0);
         var explorer = new Mock<IContextExplorer>();
         var provider = new Mock<IServiceProvider>();
-        var manager = new TableManager<MockModel>(dbContext.Object, config, explorer.Object, provider.Object);
+        var manager = new TableManager<MockModel>(dbContext.Object, config, explorer.Object, provider.Object, _searchBuilderMock.Object);
 
         // Act
         await manager.EditItem(data.First());
@@ -159,7 +136,7 @@ public class TableManagerTests {
         var config = new TableConfig(new DbContextConfig(typeof(MockDbContext), null!), typeof(MockModel), "Models", 0);
         var explorer = new Mock<IContextExplorer>();
         var provider = new Mock<IServiceProvider>();
-        var manager = new TableManager<MockModel>(dbContext.Object, config, explorer.Object, provider.Object);
+        var manager = new TableManager<MockModel>(dbContext.Object, config, explorer.Object, provider.Object, _searchBuilderMock.Object);
         var newItem = new MockModel { Id = 3, Name = "NewItem" };
 
         // Act