Fixed Slack

src/Hooki/Slack/JsonConverters/BlockBaseConverter.cs

@@ -1,3 +1,4 @@
+using System.Reflection;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 using Hooki.Slack.Enums;
@@ -7,7 +8,7 @@ namespace Hooki.Slack.JsonConverters;
 
 public class BlockBaseConverter : JsonConverter<BlockBase>
 {
-    public override BlockBase? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    public override BlockBase Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
     {
         throw new NotImplementedException("Deserialization is not implemented for this converter.");
     }
@@ -28,7 +29,12 @@ public override void Write(Utf8JsonWriter writer, BlockBase value, JsonSerialize
 
             if (propertyValue == null) continue;
 
-            writer.WritePropertyName(options.PropertyNamingPolicy?.ConvertName(property.Name) ?? property.Name);
+            var propertyName = property.GetCustomAttribute<JsonPropertyNameAttribute>()?.Name 
+                               ?? options.PropertyNamingPolicy?.ConvertName(property.Name) 
+                               ?? property.Name;
+
+
+            writer.WritePropertyName(propertyName);
             JsonSerializer.Serialize(writer, propertyValue, property.PropertyType, options);
         }
 

src/Hooki/Slack/JsonConverters/BlockElementBaseConverter.cs

@@ -0,0 +1,68 @@
+using System.Reflection;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using Hooki.Slack.Enums;
+using Hooki.Slack.Models.BlockElements;
+using Hooki.Slack.Models.Blocks;
+
+namespace Hooki.Slack.JsonConverters;
+
+public class BlockElementBaseConverter : JsonConverter<BlockElementBase>
+{
+    public override BlockElementBase Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    {
+        throw new NotImplementedException("Deserialization is not implemented for this converter.");
+    }
+
+    public override void Write(Utf8JsonWriter writer, BlockElementBase value, JsonSerializerOptions options)
+    {
+        writer.WriteStartObject();
+
+        // Write the "type" property as a string
+        writer.WriteString("type", GetBlockElementTypeJsonValue(value.Type));
+
+        // Serialize other properties
+        foreach (var property in value.GetType().GetProperties())
+        {
+            if (property.Name == nameof(BlockBase.Type)) continue;
+
+            var propertyValue = property.GetValue(value);
+
+            if (propertyValue == null) continue;
+
+            var propertyName = property.GetCustomAttribute<JsonPropertyNameAttribute>()?.Name 
+                               ?? options.PropertyNamingPolicy?.ConvertName(property.Name) 
+                               ?? property.Name;
+
+            writer.WritePropertyName(propertyName);
+            JsonSerializer.Serialize(writer, propertyValue, property.PropertyType, options);
+        }
+
+        writer.WriteEndObject();
+    }
+
+    private static string GetBlockElementTypeJsonValue(BlockElementType blockElementType)
+    {
+        return blockElementType switch
+        {
+            BlockElementType.Button => nameof(BlockElementType.Button).ToLower(),
+            BlockElementType.Checkboxes => nameof(BlockElementType.Checkboxes).ToLower(),
+            BlockElementType.DatePicker => nameof(BlockElementType.DatePicker).ToLower(),
+            BlockElementType.DatetimePicker => nameof(BlockElementType.DatetimePicker).ToLower(),
+            BlockElementType.EmailInput => "email_text_input",
+            BlockElementType.FileInput => "file_input",
+            BlockElementType.Image => nameof(BlockElementType.Image).ToLower(),
+            BlockElementType.MultiSelectMenu => "multi_static_select",
+            BlockElementType.NumberInput => "number_input",
+            BlockElementType.PlainTextInput => "plain_text_input",
+            BlockElementType.RadioButtonGroup => "radio_buttons",
+            BlockElementType.RichTextInput => "rich_text_input",
+            BlockElementType.SelectMenu => "static_select",
+            BlockElementType.TimePicker => "timepicker",
+            BlockElementType.UrlInput => "url_text_input",
+            BlockElementType.WorkflowButton => "workflow_button",
+            BlockElementType.OverflowMenu => "overflow",
+            _ => throw new ArgumentOutOfRangeException(nameof(blockElementType), blockElementType, null)
+        };
+    }
+}

src/Hooki/Slack/Models/BlockElements/BlockElementBase.cs

@@ -1,25 +1,10 @@
 using System.Text.Json.Serialization;
 using Hooki.Slack.Enums;
+using Hooki.Slack.JsonConverters;
 
 namespace Hooki.Slack.Models.BlockElements;
 
-[JsonDerivedType(typeof(ButtonElement), typeDiscriminator: "button")]
-[JsonDerivedType(typeof(CheckboxElement), typeDiscriminator: "checkboxes")]
-[JsonDerivedType(typeof(DatePickerElement), typeDiscriminator: "datepicker")]
-[JsonDerivedType(typeof(DateTimePickerElement), typeDiscriminator: "datetimepicker")]
-[JsonDerivedType(typeof(EmailInputElement), typeDiscriminator: "email_text_input")]
-[JsonDerivedType(typeof(FileInputElement), typeDiscriminator: "file_input")]
-[JsonDerivedType(typeof(ImageElement), typeDiscriminator: "image")]
-[JsonDerivedType(typeof(MultiSelectMenuElement), typeDiscriminator: "multi_static_select")]
-[JsonDerivedType(typeof(NumberInputElement), typeDiscriminator: "number_input")]
-[JsonDerivedType(typeof(OverflowMenuElement), typeDiscriminator: "overflow")]
-[JsonDerivedType(typeof(PlainTextInputElement), typeDiscriminator: "plain_text_input")]
-[JsonDerivedType(typeof(RadioButtonGroupElement), typeDiscriminator: "radio_buttons")]
-[JsonDerivedType(typeof(RichTextInputElement), typeDiscriminator: "rich_text_input")]
-[JsonDerivedType(typeof(SelectMenuElement), typeDiscriminator: "static_select")]
-[JsonDerivedType(typeof(TimePickerElement), typeDiscriminator: "timepicker")]
-[JsonDerivedType(typeof(UrlInputElement), typeDiscriminator: "url_text_input")]
-[JsonDerivedType(typeof(WorkflowButtonElement), typeDiscriminator: "workflow_button")]
+[JsonConverter(typeof(BlockElementBaseConverter))]
 public abstract class BlockElementBase
 {
     [JsonPropertyName("type")]

src/Hooki/Slack/Models/SlackWebhookPayload.cs

@@ -1,8 +1,10 @@
+using System.Text.Json.Serialization;
 using Hooki.Slack.Models.Blocks;
 
 namespace Hooki.Slack.Models;
 
 public class SlackWebhookPayload
 {
+    [JsonPropertyName("blocks")]
     public required List<BlockBase> Blocks { get; set; }
 }