Merge pull request #349 from iceljc/features/add-message-parser

add message parser

Author: Oceania2018

src/Infrastructure/BotSharp.Abstraction/Messaging/JsonConverters/RichContentJsonConverter .cs

@@ -1,6 +1,4 @@
-using BotSharp.Abstraction.Messaging.Enums;
-using BotSharp.Abstraction.Messaging.Models.RichContent;
-using BotSharp.Abstraction.Messaging.Models.RichContent.Template;
+using BotSharp.Core.Messaging;
 using System.Text.Json;
 
 namespace BotSharp.Abstraction.Messaging.JsonConverters;
@@ -12,35 +10,16 @@ public class RichContentJsonConverter : JsonConverter<IRichMessage>
         using var jsonDoc = JsonDocument.ParseValue(ref reader);
         var root = jsonDoc.RootElement;
         var jsonText = root.GetRawText();
-        JsonElement element;
-        object? res = null;
+        IRichMessage? res = null;
 
-        if (root.TryGetProperty("rich_type", out element))
+        var parser = new MessageParser();
+        if (root.TryGetProperty("rich_type", out JsonElement element))
         {
             var richType = element.GetString();
-            if (richType == RichTypeEnum.ButtonTemplate)
-            {
-                res = JsonSerializer.Deserialize<ButtonTemplateMessage>(jsonText, options);
-            }
-            else if (richType == RichTypeEnum.MultiSelectTemplate)
-            {
-                res = JsonSerializer.Deserialize<MultiSelectTemplateMessage>(jsonText, options);
-            }
-            else if (richType == RichTypeEnum.QuickReply)
-            {
-                res = JsonSerializer.Deserialize<QuickReplyMessage>(jsonText, options);
-            }
-            else if (richType == RichTypeEnum.CouponTemplate)
-            {
-                res = JsonSerializer.Deserialize<CouponTemplateMessage>(jsonText, options);
-            }
-            else if (richType == RichTypeEnum.Text)
-            {
-                res = JsonSerializer.Deserialize<TextMessage>(jsonText, options);
-            }
+            res = parser.ParseRichMessage(richType, jsonText, options);
         }
 
-        return res as IRichMessage;
+        return res;
     }
 
     public override void Write(Utf8JsonWriter writer, IRichMessage value, JsonSerializerOptions options)

src/Infrastructure/BotSharp.Abstraction/Messaging/JsonConverters/TemplateMessageJsonConverter.cs

@@ -1,5 +1,4 @@
-using BotSharp.Abstraction.Messaging.Enums;
-using BotSharp.Abstraction.Messaging.Models.RichContent.Template;
+using BotSharp.Core.Messaging;
 using System.Text.Json;
 
 namespace BotSharp.Abstraction.Messaging.JsonConverters;
@@ -11,31 +10,16 @@ public class TemplateMessageJsonConverter : JsonConverter<ITemplateMessage>
         using var jsonDoc = JsonDocument.ParseValue(ref reader);
         var root = jsonDoc.RootElement;
         var jsonText = root.GetRawText();
-        JsonElement element;
-        object? res = null;
+        ITemplateMessage? res = null;
 
-        if (root.TryGetProperty("template_type", out element))
+        var parser = new MessageParser();
+        if (root.TryGetProperty("template_type", out JsonElement element))
         {
             var templateType = element.GetString();
-            if (templateType == TemplateTypeEnum.Button)
-            {
-                res = JsonSerializer.Deserialize<ButtonTemplateMessage>(jsonText, options);
-            }
-            else if (templateType == TemplateTypeEnum.MultiSelect)
-            {
-                res = JsonSerializer.Deserialize<MultiSelectTemplateMessage>(jsonText, options);
-            }
-            else if (templateType == TemplateTypeEnum.Coupon)
-            {
-                res = JsonSerializer.Deserialize<CouponTemplateMessage>(jsonText, options);
-            }
-            else if (templateType == TemplateTypeEnum.Product)
-            {
-                res = JsonSerializer.Deserialize<ProductTemplateMessage>(jsonText, options);
-            }
+            res = parser.ParseTemplateMessage(templateType, jsonText, options);
         }
 
-        return res as ITemplateMessage;
+        return res;
     }
 
     public override void Write(Utf8JsonWriter writer, ITemplateMessage value, JsonSerializerOptions options)

src/Infrastructure/BotSharp.Abstraction/Messaging/MessageParser.cs

@@ -0,0 +1,66 @@
+using BotSharp.Abstraction.Messaging;
+using BotSharp.Abstraction.Messaging.Enums;
+using BotSharp.Abstraction.Messaging.Models.RichContent.Template;
+using BotSharp.Abstraction.Messaging.Models.RichContent;
+using System.Text.Json;
+
+namespace BotSharp.Core.Messaging;
+
+public class MessageParser
+{
+    public MessageParser()
+    {
+    }
+
+    public IRichMessage? ParseRichMessage(string richType, string jsonText, JsonSerializerOptions options)
+    {
+        IRichMessage? res = null;
+
+        if (richType == RichTypeEnum.ButtonTemplate)
+        {
+            res = JsonSerializer.Deserialize<ButtonTemplateMessage>(jsonText, options);
+        }
+        else if (richType == RichTypeEnum.MultiSelectTemplate)
+        {
+            res = JsonSerializer.Deserialize<MultiSelectTemplateMessage>(jsonText, options);
+        }
+        else if (richType == RichTypeEnum.QuickReply)
+        {
+            res = JsonSerializer.Deserialize<QuickReplyMessage>(jsonText, options);
+        }
+        else if (richType == RichTypeEnum.CouponTemplate)
+        {
+            res = JsonSerializer.Deserialize<CouponTemplateMessage>(jsonText, options);
+        }
+        else if (richType == RichTypeEnum.Text)
+        {
+            res = JsonSerializer.Deserialize<TextMessage>(jsonText, options);
+        }
+
+        return res;
+    }
+
+    public ITemplateMessage? ParseTemplateMessage(string templateType, string jsonText, JsonSerializerOptions options)
+    {
+        ITemplateMessage? res = null;
+
+        if (templateType == TemplateTypeEnum.Button)
+        {
+            res = JsonSerializer.Deserialize<ButtonTemplateMessage>(jsonText, options);
+        }
+        else if (templateType == TemplateTypeEnum.MultiSelect)
+        {
+            res = JsonSerializer.Deserialize<MultiSelectTemplateMessage>(jsonText, options);
+        }
+        else if (templateType == TemplateTypeEnum.Coupon)
+        {
+            res = JsonSerializer.Deserialize<CouponTemplateMessage>(jsonText, options);
+        }
+        else if (templateType == TemplateTypeEnum.Product)
+        {
+            res = JsonSerializer.Deserialize<ProductTemplateMessage>(jsonText, options);
+        }
+
+        return res;
+    }
+}