Provide URLs in GraphQL endpoint. Closes #79

src/Squidex.Domain.Apps.Read/Contents/GraphQL/CachingGraphQLInvoker.cs

@@ -27,6 +27,7 @@ namespace Squidex.Domain.Apps.Read.Contents.GraphQL
     public sealed class CachingGraphQLInvoker : CachingProviderBase, IGraphQLInvoker, IEventConsumer
     {
         private readonly IContentRepository contentRepository;
+        private readonly IGraphQLUrlGenerator urlGenerator;
         private readonly IAssetRepository assetRepository;
         private readonly ISchemaRepository schemaRepository;
 
@@ -40,16 +41,18 @@ namespace Squidex.Domain.Apps.Read.Contents.GraphQL
             get { return "^(schema-)|(apps-)"; }
         }
 
-        public CachingGraphQLInvoker(IMemoryCache cache, ISchemaRepository schemaRepository, IAssetRepository assetRepository, IContentRepository contentRepository)
+        public CachingGraphQLInvoker(IMemoryCache cache, ISchemaRepository schemaRepository, IAssetRepository assetRepository, IContentRepository contentRepository, IGraphQLUrlGenerator urlGenerator)
             : base(cache)
         {
             Guard.NotNull(schemaRepository, nameof(schemaRepository));
             Guard.NotNull(assetRepository, nameof(assetRepository));
             Guard.NotNull(contentRepository, nameof(contentRepository));
+            Guard.NotNull(urlGenerator, nameof(urlGenerator));
 
+            this.contentRepository = contentRepository;
             this.schemaRepository = schemaRepository;
             this.assetRepository = assetRepository;
-            this.contentRepository = contentRepository;
+            this.urlGenerator = urlGenerator;
         }
 
         public Task ClearAsync()
@@ -73,7 +76,7 @@ namespace Squidex.Domain.Apps.Read.Contents.GraphQL
             Guard.NotNull(query, nameof(query));
 
             var modelContext = await GetModelAsync(app);
-            var queryContext = new QueryContext(app, contentRepository, assetRepository);
+            var queryContext = new QueryContext(app, contentRepository, assetRepository, urlGenerator);
 
             return await modelContext.ExecuteAsync(queryContext, query);
         }

src/Squidex.Domain.Apps.Read/Contents/GraphQL/GraphQLModel.cs

@@ -17,11 +17,13 @@ using Squidex.Domain.Apps.Core;
 using Squidex.Domain.Apps.Core.Contents;
 using Squidex.Domain.Apps.Core.Schemas;
 using Squidex.Domain.Apps.Read.Apps;
+using Squidex.Domain.Apps.Read.Assets;
 using Squidex.Domain.Apps.Read.Contents.GraphQL.Types;
 using Squidex.Domain.Apps.Read.Schemas;
 using Squidex.Infrastructure;
 using GraphQLSchema = GraphQL.Types.Schema;
 
+// ReSharper disable PrivateFieldCanBeConvertedToLocalVariable
 // ReSharper disable ConvertClosureToMethodGroup
 // ReSharper disable InvertIf
 // ReSharper disable ParameterHidesMember
@@ -34,14 +36,19 @@ namespace Squidex.Domain.Apps.Read.Contents.GraphQL
         private readonly Dictionary<Guid, ContentGraphType> schemaTypes = new Dictionary<Guid, ContentGraphType>();
         private readonly Dictionary<Guid, ISchemaEntity> schemas;
         private readonly PartitionResolver partitionResolver;
-        private readonly IGraphType assetType = new AssetGraphType();
+        private readonly IAppEntity appEntity;
+        private readonly IGraphType assetType;
+        private readonly IGraphType assetListType;
         private readonly GraphQLSchema graphQLSchema;
 
-        public GraphQLModel(IAppEntity app, IEnumerable<ISchemaEntity> schemas)
+        public GraphQLModel(IAppEntity appEntity, IEnumerable<ISchemaEntity> schemas)
         {
-            partitionResolver = app.PartitionResolver;
+            this.appEntity = appEntity;
+
+            partitionResolver = appEntity.PartitionResolver;
             
-            IGraphType assetListType = new ListGraphType(new NonNullGraphType(assetType));
+            assetType = new AssetGraphType(this);
+            assetListType = new ListGraphType(new NonNullGraphType(assetType));
 
             fieldInfos = new Dictionary<Type, Func<Field, (IGraphType ResolveType, IFieldResolver Resolver)>>
             {
@@ -94,6 +101,42 @@ namespace Squidex.Domain.Apps.Read.Contents.GraphQL
             return (new NoopGraphType(name), new FuncFieldResolver<ContentFieldData, object>(c => c.Source.GetOrDefault(c.FieldName)));
         }
 
+        public IFieldResolver ResolveAssetUrl()
+        {
+            var resolver = new FuncFieldResolver<IAssetEntity, object>(c =>
+            {
+                var context = (QueryContext)c.UserContext;
+
+                return context.UrlGenerator.GenerateAssetUrl(appEntity, c.Source);
+            });
+
+            return resolver;
+        }
+
+        public IFieldResolver ResolveAssetThumbnailUrl()
+        {
+            var resolver = new FuncFieldResolver<IAssetEntity, object>(c =>
+            {
+                var context = (QueryContext)c.UserContext;
+
+                return context.UrlGenerator.GenerateAssetThumbnailUrl(appEntity, c.Source);
+            });
+
+            return resolver;
+        }
+
+        public IFieldResolver ResolveContentUrl(ISchemaEntity schemaEntity)
+        {
+            var resolver = new FuncFieldResolver<IContentEntity, object>(c =>
+            {
+                var context = (QueryContext)c.UserContext;
+
+                return context.UrlGenerator.GenerateContentUrl(appEntity, schemaEntity, c.Source);
+            });
+
+            return resolver;
+        }
+
         private static ValueTuple<IGraphType, IFieldResolver> ResolveAssets(IGraphType assetListType)
         {
             var resolver = new FuncFieldResolver<ContentFieldData, object>(c =>
@@ -172,7 +215,7 @@ namespace Squidex.Domain.Apps.Read.Contents.GraphQL
         {
             var schemaEntity = schemas.GetOrDefault(schemaId);
 
-            return schemaEntity != null ? schemaTypes.GetOrAdd(schemaId, k => new ContentGraphType(schemaEntity.Schema, this)) : null;
+            return schemaEntity != null ? schemaTypes.GetOrAdd(schemaId, k => new ContentGraphType(schemaEntity, this)) : null;
         }
     }
 }

src/Squidex.Domain.Apps.Read/Contents/GraphQL/IGraphQLContext.cs

@@ -11,6 +11,7 @@ using GraphQL.Resolvers;
 using GraphQL.Types;
 using Squidex.Domain.Apps.Core;
 using Squidex.Domain.Apps.Core.Schemas;
+using Squidex.Domain.Apps.Read.Schemas;
 
 namespace Squidex.Domain.Apps.Read.Contents.GraphQL
 {
@@ -22,6 +23,12 @@ namespace Squidex.Domain.Apps.Read.Contents.GraphQL
 
         IGraphType GetSchemaType(Guid schemaId);
 
+        IFieldResolver ResolveAssetUrl();
+
+        IFieldResolver ResolveAssetThumbnailUrl();
+
+        IFieldResolver ResolveContentUrl(ISchemaEntity schemaEntity);
+
         (IGraphType ResolveType, IFieldResolver Resolver) GetGraphType(Field field);
     }
 }

src/Squidex.Domain.Apps.Read/Contents/GraphQL/IGraphQLUrlGenerator.cs

@@ -0,0 +1,23 @@
+// ==========================================================================
+//  IGraphQLUrlGenerator.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using Squidex.Domain.Apps.Read.Apps;
+using Squidex.Domain.Apps.Read.Assets;
+using Squidex.Domain.Apps.Read.Schemas;
+
+namespace Squidex.Domain.Apps.Read.Contents.GraphQL
+{
+    public interface IGraphQLUrlGenerator
+    {
+        string GenerateAssetUrl(IAppEntity appEntity, IAssetEntity assetEntity);
+
+        string GenerateAssetThumbnailUrl(IAppEntity appEntity, IAssetEntity assetEntity);
+
+        string GenerateContentUrl(IAppEntity appEntity, ISchemaEntity schemaEntity, IContentEntity contentEntity);
+    }
+}

src/Squidex.Domain.Apps.Read/Contents/GraphQL/QueryContext.cs

@@ -28,16 +28,24 @@ namespace Squidex.Domain.Apps.Read.Contents.GraphQL
         private readonly ConcurrentDictionary<Guid, IAssetEntity> cachedAssets = new ConcurrentDictionary<Guid, IAssetEntity>();
         private readonly IContentRepository contentRepository;
         private readonly IAssetRepository assetRepository;
+        private readonly IGraphQLUrlGenerator urlGenerator;
         private readonly IAppEntity app;
 
-        public QueryContext(IAppEntity app, IContentRepository contentRepository, IAssetRepository assetRepository)
+        public IGraphQLUrlGenerator UrlGenerator
+        {
+            get { return urlGenerator; }
+        }
+
+        public QueryContext(IAppEntity app, IContentRepository contentRepository, IAssetRepository assetRepository, IGraphQLUrlGenerator urlGenerator)
         {
             Guard.NotNull(contentRepository, nameof(contentRepository));
             Guard.NotNull(assetRepository, nameof(assetRepository));
+            Guard.NotNull(urlGenerator, nameof(urlGenerator));
             Guard.NotNull(app, nameof(app));
 
             this.contentRepository = contentRepository;
             this.assetRepository = assetRepository;
+            this.urlGenerator = urlGenerator;
 
             this.app = app;
         }

src/Squidex.Domain.Apps.Read/Contents/GraphQL/Types/AssetGraphType.cs

@@ -15,7 +15,7 @@ namespace Squidex.Domain.Apps.Read.Contents.GraphQL.Types
 {
     public sealed class AssetGraphType : ObjectGraphType<IAssetEntity>
     {
-        public AssetGraphType()
+        public AssetGraphType(IGraphQLContext context)
         {
             Name = "AssetDto";
 
@@ -75,6 +75,22 @@ namespace Squidex.Domain.Apps.Read.Contents.GraphQL.Types
                 Description = "The mime type."
             });
 
+            AddField(new FieldType
+            {
+                Name = "url",
+                Resolver = context.ResolveAssetUrl(),
+                ResolvedType = new NonNullGraphType(new StringGraphType()),
+                Description = "The url to the asset."
+            });
+
+            AddField(new FieldType
+            {
+                Name = "thumbnailUrl",
+                Resolver = context.ResolveAssetThumbnailUrl(),
+                ResolvedType = new StringGraphType(),
+                Description = "The thumbnail url to the asset."
+            });
+
             AddField(new FieldType
             {
                 Name = "fileName",

src/Squidex.Domain.Apps.Read/Contents/GraphQL/Types/ContentDataGraphType.cs

@@ -52,8 +52,7 @@ namespace Squidex.Domain.Apps.Read.Contents.GraphQL.Types
 
                     fieldGraphType.Description = $"The structure of the {fieldName} of a {schemaName} content type.";
 
-                    var fieldResolver =
-                        new FuncFieldResolver<NamedContentData, ContentFieldData>(c => c.Source.GetOrDefault(field.Name));
+                    var fieldResolver = new FuncFieldResolver<NamedContentData, ContentFieldData>(c => c.Source.GetOrDefault(field.Name));
 
                     AddField(new FieldType
                     {

src/Squidex.Domain.Apps.Read/Contents/GraphQL/Types/ContentGraphType.cs

@@ -9,27 +9,27 @@
 using System;
 using GraphQL.Resolvers;
 using GraphQL.Types;
+using Squidex.Domain.Apps.Read.Schemas;
 using Squidex.Infrastructure;
-using Schema = Squidex.Domain.Apps.Core.Schemas.Schema;
 
 namespace Squidex.Domain.Apps.Read.Contents.GraphQL.Types
 {
     public sealed class ContentGraphType : ObjectGraphType<IContentEntity>
     {
-        private readonly Schema schema;
+        private readonly ISchemaEntity schemaEntity;
         private readonly IGraphQLContext context;
 
-        public ContentGraphType(Schema schema, IGraphQLContext context)
+        public ContentGraphType(ISchemaEntity schemaEntity, IGraphQLContext context)
         {
-            this.schema = schema;
             this.context = context;
+            this.schemaEntity = schemaEntity;
 
-            Name = $"{schema.Name.ToPascalCase()}Dto";
+            Name = $"{schemaEntity.Name.ToPascalCase()}Dto";
         }
 
         public void Initialize()
         {
-            var schemaName = schema.Properties.Label.WithFallback(schema.Name);
+            var schemaName = schemaEntity.Schema.Properties.Label.WithFallback(schemaEntity.Name);
 
             AddField(new FieldType
             {
@@ -79,11 +79,19 @@ namespace Squidex.Domain.Apps.Read.Contents.GraphQL.Types
                 Description = $"The user that has updated the {schemaName} content last."
             });
 
+            AddField(new FieldType
+            {
+                Name = "url",
+                Resolver = context.ResolveContentUrl(schemaEntity),
+                ResolvedType = new NonNullGraphType(new StringGraphType()),
+                Description = $"The url to the the {schemaName} content."
+            });
+
             AddField(new FieldType
             {
                 Name = "data",
                 Resolver = Resolver(x => x.Data),
-                ResolvedType = new NonNullGraphType(new ContentDataGraphType(schema, context)),
+                ResolvedType = new NonNullGraphType(new ContentDataGraphType(schemaEntity.Schema, context)),
                 Description = $"The data of the {schemaName} content."
             });
 

src/Squidex/Config/Domain/ReadModule.cs

@@ -23,6 +23,7 @@ using Squidex.Domain.Apps.Read.Schemas.Services;
 using Squidex.Domain.Apps.Read.Schemas.Services.Implementations;
 using Squidex.Domain.Users;
 using Squidex.Infrastructure.CQRS.Events;
+using Squidex.Pipeline;
 
 // ReSharper disable UnusedAutoPropertyAccessor.Local
 
@@ -64,6 +65,10 @@ namespace Squidex.Config.Domain
                 .AsSelf()
                 .SingleInstance();
 
+            builder.RegisterType<GraphQLUrlGenerator>()
+                .As<IGraphQLUrlGenerator>()
+                .SingleInstance();
+
             builder.RegisterType<AssetUserPictureStore>()
                 .As<IUserPictureStore>()
                 .SingleInstance();

src/Squidex/Pipeline/GraphQLUrlGenerator.cs

@@ -0,0 +1,50 @@
+// ==========================================================================
+//  GraphQLUrlGenerator.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using Microsoft.Extensions.Options;
+using Squidex.Config;
+using Squidex.Domain.Apps.Read.Apps;
+using Squidex.Domain.Apps.Read.Assets;
+using Squidex.Domain.Apps.Read.Contents;
+using Squidex.Domain.Apps.Read.Contents.GraphQL;
+using Squidex.Domain.Apps.Read.Schemas;
+
+// ReSharper disable ConvertIfStatementToReturnStatement
+
+namespace Squidex.Pipeline
+{
+    public sealed class GraphQLUrlGenerator : IGraphQLUrlGenerator
+    {
+        private readonly MyUrlsOptions urlsOptions;
+
+        public GraphQLUrlGenerator(IOptions<MyUrlsOptions> urlsOptions)
+        {
+            this.urlsOptions = urlsOptions.Value;
+        }
+
+        public string GenerateAssetThumbnailUrl(IAppEntity appEntity, IAssetEntity assetEntity)
+        {
+            if (!assetEntity.IsImage)
+            {
+                return null;
+            }
+
+            return urlsOptions.BuildUrl($"api/assets/{assetEntity.Id}?version={assetEntity.Version}&width=100&mode=Max");
+        }
+
+        public string GenerateAssetUrl(IAppEntity appEntity, IAssetEntity assetEntity)
+        {
+            return urlsOptions.BuildUrl($"api/assets/{assetEntity.Id}?version={assetEntity.Version}");
+        }
+
+        public string GenerateContentUrl(IAppEntity appEntity, ISchemaEntity schemaEntity, IContentEntity contentEntity)
+        {
+            return urlsOptions.BuildUrl($"api/content/{appEntity.Name}/{schemaEntity.Name}/{contentEntity.Id}");
+        }
+    }
+}

src/Squidex/app/framework/angular/image-source.directive.ts

@@ -92,7 +92,7 @@ export class ImageSourceDirective implements OnChanges, OnInit, AfterViewInit {
             let source = `${this.imageSource}&width=${w}&height=${h}&mode=Crop`;
 
             if (this.query !== null) {
-                source += `q=${this.query}`;
+                source += `&q=${this.query}`;
             }
 
             this.renderer.setElementAttribute(this.element.nativeElement, 'src', source);

tests/Squidex.Domain.Apps.Read.Tests/Contents/GraphQLTests.cs

@@ -82,7 +82,7 @@ namespace Squidex.Domain.Apps.Read.Contents
 
             schemaRepository.Setup(x => x.QueryAllAsync(appId)).Returns(Task.FromResult<IReadOnlyList<ISchemaEntity>>(schemas));
 
-            sut = new CachingGraphQLInvoker(cache, schemaRepository.Object, assetRepository.Object, contentRepository.Object);
+            sut = new CachingGraphQLInvoker(cache, schemaRepository.Object, assetRepository.Object, contentRepository.Object, new FakeUrlGenerator());
         }
 
         [Fact]
@@ -97,6 +97,8 @@ namespace Squidex.Domain.Apps.Read.Contents
                     createdBy
                     lastModified
                     lastModifiedBy
+                    url
+                    thumbnailUrl
                     mimeType
                     fileName
                     fileSize
@@ -131,6 +133,8 @@ namespace Squidex.Domain.Apps.Read.Contents
                             createdBy = "subject:user1",
                             lastModified = assetEntity.LastModified.ToDateTimeUtc(),
                             lastModifiedBy = "subject:user2",
+                            url = $"assets/{assetEntity.Id}",
+                            thumbnailUrl = $"assets/{assetEntity.Id}?width=100",
                             mimeType = "image/png",
                             fileName = "MyFile.png",
                             fileSize = 1024,
@@ -163,6 +167,8 @@ namespace Squidex.Domain.Apps.Read.Contents
                     createdBy
                     lastModified
                     lastModifiedBy
+                    url
+                    thumbnailUrl
                     mimeType
                     fileName
                     fileSize
@@ -191,6 +197,8 @@ namespace Squidex.Domain.Apps.Read.Contents
                         createdBy = "subject:user1",
                         lastModified = assetEntity.LastModified.ToDateTimeUtc(),
                         lastModifiedBy = "subject:user2",
+                        url = $"assets/{assetEntity.Id}",
+                        thumbnailUrl = $"assets/{assetEntity.Id}?width=100",
                         mimeType = "image/png",
                         fileName = "MyFile.png",
                         fileSize = 1024,
@@ -219,6 +227,7 @@ namespace Squidex.Domain.Apps.Read.Contents
                     createdBy
                     lastModified
                     lastModifiedBy
+                    url
                     data {
                       myString {
                         iv
@@ -266,6 +275,7 @@ namespace Squidex.Domain.Apps.Read.Contents
                             createdBy = "subject:user1",
                             lastModified = contentEntity.LastModified.ToDateTimeUtc(),
                             lastModifiedBy = "subject:user2",
+                            url = $"contents/my-schema/{contentEntity.Id}",
                             data = new
                             {
                                 myString = new
@@ -325,6 +335,7 @@ namespace Squidex.Domain.Apps.Read.Contents
                     createdBy
                     lastModified
                     lastModifiedBy
+                    url
                     data {{
                       myString {{
                         iv
@@ -366,6 +377,7 @@ namespace Squidex.Domain.Apps.Read.Contents
                         createdBy = "subject:user1",
                         lastModified = contentEntity.LastModified.ToDateTimeUtc(),
                         lastModifiedBy = "subject:user2",
+                        url = $"contents/my-schema/{contentEntity.Id}",
                         data = new
                         {
                             myString = new

tests/Squidex.Domain.Apps.Read.Tests/Contents/TestData/FakeUrlGenerator.cs

@@ -0,0 +1,33 @@
+// ==========================================================================
+//  FakeUrlGenerator.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using Squidex.Domain.Apps.Read.Apps;
+using Squidex.Domain.Apps.Read.Assets;
+using Squidex.Domain.Apps.Read.Contents.GraphQL;
+using Squidex.Domain.Apps.Read.Schemas;
+
+namespace Squidex.Domain.Apps.Read.Contents.TestData
+{
+    public sealed class FakeUrlGenerator : IGraphQLUrlGenerator
+    {
+        public string GenerateAssetUrl(IAppEntity appEntity, IAssetEntity assetEntity)
+        {
+            return $"assets/{assetEntity.Id}";
+        }
+
+        public string GenerateAssetThumbnailUrl(IAppEntity appEntity, IAssetEntity assetEntity)
+        {
+            return $"assets/{assetEntity.Id}?width=100";
+        }
+
+        public string GenerateContentUrl(IAppEntity appEntity, ISchemaEntity schemaEntity, IContentEntity contentEntity)
+        {
+            return $"contents/{schemaEntity.Name}/{contentEntity.Id}";
+        }
+    }
+}