Feature/add array builder (#709)

* use UpsertSchemaFieldBase in FieldBuilder

* ArrayFieldBuilder implementation

* formating

* Refactoring Builders (CRTP)

* Formating property

* Update ArrayFieldBuilder.cs

backend/src/Squidex.Domain.Apps.Entities/Apps/Templates/Builders/ArrayFieldBuilder.cs

@@ -0,0 +1,110 @@
+// ==========================================================================
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex UG (haftungsbeschraenkt)
+//  All rights reserved. Licensed under the MIT license.
+// ==========================================================================
+
+using System;
+using System.Linq;
+using Squidex.Domain.Apps.Core.Schemas;
+using Squidex.Domain.Apps.Entities.Schemas.Commands;
+using Squidex.Text;
+
+namespace Squidex.Domain.Apps.Entities.Apps.Templates.Builders
+{
+    public class ArrayFieldBuilder : FieldBuilder<ArrayFieldBuilder>
+    {
+        protected new UpsertSchemaField field
+        {
+            get => base.Field as UpsertSchemaField;
+            init => base.Field = value;
+        }
+
+        public ArrayFieldBuilder(UpsertSchemaField field, CreateSchema schema)
+            : base(field, schema)
+        {
+        }
+
+        public ArrayFieldBuilder AddAssets(string name, Action<AssetFieldBuilder> configure)
+        {
+            var field = AddField<AssetsFieldProperties>(name);
+
+            configure(new AssetFieldBuilder(field, Schema));
+
+            return this;
+        }
+
+        public ArrayFieldBuilder AddBoolean(string name, Action<BooleanFieldBuilder> configure)
+        {
+            var field = AddField<BooleanFieldProperties>(name);
+
+            configure(new BooleanFieldBuilder(field, Schema));
+
+            return this;
+        }
+
+        public ArrayFieldBuilder AddDateTime(string name, Action<DateTimeFieldBuilder> configure)
+        {
+            var field = AddField<DateTimeFieldProperties>(name);
+
+            configure(new DateTimeFieldBuilder(field, Schema));
+
+            return this;
+        }
+
+        public ArrayFieldBuilder AddJson(string name, Action<JsonFieldBuilder> configure)
+        {
+            var field = AddField<JsonFieldProperties>(name);
+
+            configure(new JsonFieldBuilder(field, Schema));
+
+            return this;
+        }
+
+        public ArrayFieldBuilder AddNumber(string name, Action<NumberFieldBuilder> configure)
+        {
+            var field = AddField<NumberFieldProperties>(name);
+
+            configure(new NumberFieldBuilder(field, Schema));
+
+            return this;
+        }
+
+        public ArrayFieldBuilder AddReferences(string name, Action<ReferencesFieldBuilder> configure)
+        {
+            var field = AddField<ReferencesFieldProperties>(name);
+
+            configure(new ReferencesFieldBuilder(field, Schema));
+
+            return this;
+        }
+
+        public ArrayFieldBuilder AddString(string name, Action<StringFieldBuilder> configure)
+        {
+            var field = AddField<StringFieldProperties>(name);
+
+            configure(new StringFieldBuilder(field, Schema));
+
+            return this;
+        }
+
+        private UpsertSchemaNestedField AddField<T>(string name) where T : FieldProperties, new()
+        {
+            var nestedField = new UpsertSchemaNestedField
+            {
+                Name = name.ToCamelCase(),
+                Properties = new T
+                {
+                    Label = name
+                }
+            };
+
+            field.Nested ??= Array.Empty<UpsertSchemaNestedField>();
+            field.Nested = field.Nested.Union(new[] { nestedField }).ToArray();
+
+            return nestedField;
+        }
+
+    }
+}

backend/src/Squidex.Domain.Apps.Entities/Apps/Templates/Builders/AssetFieldBuilder.cs

@@ -10,9 +10,9 @@ using Squidex.Domain.Apps.Entities.Schemas.Commands;
 
 namespace Squidex.Domain.Apps.Entities.Apps.Templates.Builders
 {
-    public class AssetFieldBuilder : FieldBuilder
+    public class AssetFieldBuilder : FieldBuilder<AssetFieldBuilder>
     {
-        public AssetFieldBuilder(UpsertSchemaField field, CreateSchema schema)
+        public AssetFieldBuilder(UpsertSchemaFieldBase field, CreateSchema schema)
             : base(field, schema)
         {
         }

backend/src/Squidex.Domain.Apps.Entities/Apps/Templates/Builders/BooleanFieldBuilder.cs

@@ -10,9 +10,9 @@ using Squidex.Domain.Apps.Entities.Schemas.Commands;
 
 namespace Squidex.Domain.Apps.Entities.Apps.Templates.Builders
 {
-    public class BooleanFieldBuilder : FieldBuilder
+    public class BooleanFieldBuilder : FieldBuilder<BooleanFieldBuilder>
     {
-        public BooleanFieldBuilder(UpsertSchemaField field, CreateSchema schema)
+        public BooleanFieldBuilder(UpsertSchemaFieldBase field, CreateSchema schema)
             : base(field, schema)
         {
         }

backend/src/Squidex.Domain.Apps.Entities/Apps/Templates/Builders/DateTimeFieldBuilder.cs

@@ -10,9 +10,9 @@ using Squidex.Domain.Apps.Entities.Schemas.Commands;
 
 namespace Squidex.Domain.Apps.Entities.Apps.Templates.Builders
 {
-    public class DateTimeFieldBuilder : FieldBuilder
+    public class DateTimeFieldBuilder : FieldBuilder<DateTimeFieldBuilder>
     {
-        public DateTimeFieldBuilder(UpsertSchemaField field, CreateSchema schema)
+        public DateTimeFieldBuilder(UpsertSchemaFieldBase field, CreateSchema schema)
             : base(field, schema)
         {
         }

backend/src/Squidex.Domain.Apps.Entities/Apps/Templates/Builders/FieldBuilder.cs

@@ -14,69 +14,76 @@ namespace Squidex.Domain.Apps.Entities.Apps.Templates.Builders
 {
     public abstract class FieldBuilder
     {
-        private readonly UpsertSchemaField field;
-        private readonly CreateSchema schema;
+        protected UpsertSchemaFieldBase Field { get; init; }
+        protected CreateSchema Schema { get; init; }
+    }
 
-        protected FieldBuilder(UpsertSchemaField field, CreateSchema schema)
+    public abstract class FieldBuilder<T> : FieldBuilder
+        where T : FieldBuilder
+    {
+        protected FieldBuilder(UpsertSchemaFieldBase field, CreateSchema schema)
         {
-            this.field = field;
-            this.schema = schema;
+            Field = field;
+            Schema = schema;
         }
 
-        public FieldBuilder Label(string? label)
+        public T Label(string? label)
         {
-            field.Properties = field.Properties with { Label = label };
+            Field.Properties = Field.Properties with { Label = label };
 
-            return this;
+            return this as T;
         }
 
-        public FieldBuilder Hints(string? hints)
+        public T Hints(string? hints)
         {
-            field.Properties = field.Properties with { Hints = hints };
+            Field.Properties = Field.Properties with { Hints = hints };
 
-            return this;
+            return this as T;
         }
 
-        public FieldBuilder Localizable()
+        public T Localizable()
         {
-            field.Partitioning = Partitioning.Language.Key;
+            if (Field is UpsertSchemaField localizableField)
+            {
+                localizableField.Partitioning = Partitioning.Language.Key;
+            }
 
-            return this;
+            return this as T;
         }
 
-        public FieldBuilder Disabled()
+        public T Disabled()
         {
-            field.IsDisabled = true;
+            Field.IsDisabled = true;
 
-            return this;
+            return this as T;
         }
 
-        public FieldBuilder Required()
+        public T Required()
         {
-            field.Properties = field.Properties with { IsRequired = true };
+            Field.Properties = Field.Properties with { IsRequired = true };
 
-            return this;
+            return this as T;
         }
 
         protected void Properties<T>(Func<T, T> updater) where T : FieldProperties
         {
-            field.Properties = updater((T)field.Properties);
+            Field.Properties = updater((T)Field.Properties);
         }
 
-        public FieldBuilder ShowInList()
+        public T ShowInList()
         {
-            schema.FieldsInLists ??= new FieldNames();
-            schema.FieldsInLists.Add(field.Name);
+            Schema.FieldsInLists ??= new FieldNames();
+            Schema.FieldsInLists.Add(Field.Name);
 
-            return this;
+            return this as T;
         }
 
-        public FieldBuilder ShowInReferences()
+        public T ShowInReferences()
         {
-            schema.FieldsInReferences ??= new FieldNames();
-            schema.FieldsInReferences.Add(field.Name);
+            Schema.FieldsInReferences ??= new FieldNames();
+            Schema.FieldsInReferences.Add(Field.Name);
 
-            return this;
+            return this as T;
         }
     }
 }

backend/src/Squidex.Domain.Apps.Entities/Apps/Templates/Builders/JsonFieldBuilder.cs

@@ -9,9 +9,9 @@ using Squidex.Domain.Apps.Entities.Schemas.Commands;
 
 namespace Squidex.Domain.Apps.Entities.Apps.Templates.Builders
 {
-    public class JsonFieldBuilder : FieldBuilder
+    public class JsonFieldBuilder : FieldBuilder<JsonFieldBuilder>
     {
-        public JsonFieldBuilder(UpsertSchemaField field, CreateSchema schema)
+        public JsonFieldBuilder(UpsertSchemaFieldBase field, CreateSchema schema)
             : base(field, schema)
         {
         }

backend/src/Squidex.Domain.Apps.Entities/Apps/Templates/Builders/NumberFieldBuilder.cs

@@ -9,9 +9,9 @@ using Squidex.Domain.Apps.Entities.Schemas.Commands;
 
 namespace Squidex.Domain.Apps.Entities.Apps.Templates.Builders
 {
-    public class NumberFieldBuilder : FieldBuilder
+    public class NumberFieldBuilder : FieldBuilder<NumberFieldBuilder>
     {
-        public NumberFieldBuilder(UpsertSchemaField field, CreateSchema schema)
+        public NumberFieldBuilder(UpsertSchemaFieldBase field, CreateSchema schema)
             : base(field, schema)
         {
         }

backend/src/Squidex.Domain.Apps.Entities/Apps/Templates/Builders/ReferencesFieldBuilder.cs

@@ -12,9 +12,9 @@ using Squidex.Infrastructure.Collections;
 
 namespace Squidex.Domain.Apps.Entities.Apps.Templates.Builders
 {
-    public class ReferencesFieldBuilder : FieldBuilder
+    public class ReferencesFieldBuilder : FieldBuilder<ReferencesFieldBuilder>
     {
-        public ReferencesFieldBuilder(UpsertSchemaField field, CreateSchema schema)
+        public ReferencesFieldBuilder(UpsertSchemaFieldBase field, CreateSchema schema)
             : base(field, schema)
         {
         }

backend/src/Squidex.Domain.Apps.Entities/Apps/Templates/Builders/SchemaBuilder.cs

@@ -139,6 +139,15 @@ namespace Squidex.Domain.Apps.Entities.Apps.Templates.Builders
             return this;
         }
 
+        public SchemaBuilder AddArray(string name, Action<ArrayFieldBuilder> configure)
+        {
+            var field = AddField<ArrayFieldProperties>(name);
+
+            configure(new ArrayFieldBuilder(field, command));
+
+            return this;
+        }
+
         private UpsertSchemaField AddField<T>(string name) where T : FieldProperties, new()
         {
             var field = new UpsertSchemaField

backend/src/Squidex.Domain.Apps.Entities/Apps/Templates/Builders/StringFieldBuilder.cs

@@ -11,9 +11,9 @@ using Squidex.Infrastructure.Collections;
 
 namespace Squidex.Domain.Apps.Entities.Apps.Templates.Builders
 {
-    public class StringFieldBuilder : FieldBuilder
+    public class StringFieldBuilder : FieldBuilder<StringFieldBuilder>
     {
-        public StringFieldBuilder(UpsertSchemaField field, CreateSchema schema)
+        public StringFieldBuilder(UpsertSchemaFieldBase field, CreateSchema schema)
             : base(field, schema)
         {
         }

backend/src/Squidex.Domain.Apps.Entities/Apps/Templates/Builders/TagsFieldBuilder.cs

@@ -11,7 +11,7 @@ using Squidex.Infrastructure.Collections;
 
 namespace Squidex.Domain.Apps.Entities.Apps.Templates.Builders
 {
-    public class TagsFieldBuilder : FieldBuilder
+    public class TagsFieldBuilder : FieldBuilder<TagsFieldBuilder>
     {
         public TagsFieldBuilder(UpsertSchemaField field, CreateSchema schema)
             : base(field, schema)