From 3ed07cf90bf5a737f7ec276e9d7fc7a9295485f7 Mon Sep 17 00:00:00 2001
From: Gabriel Odero <gabupostiga.gdco@gmail.com>
Date: Thu, 24 Oct 2024 01:56:56 +0300
Subject: [PATCH] Added support for SPM Template Messages

---
 .../Interfaces/IWhatsAppBusinessClient.cs     | 18 ++++
 .../SingleProductTemplateMessageRequest.cs    | 92 +++++++++++++++++++
 .../WhatsAppBusinessClient.cs                 | 36 ++++++++
 3 files changed, 146 insertions(+)
 create mode 100644 WhatsappBusiness.CloudApi/Messages/Requests/SingleProductTemplateMessageRequest.cs

diff --git a/WhatsappBusiness.CloudApi/Interfaces/IWhatsAppBusinessClient.cs b/WhatsappBusiness.CloudApi/Interfaces/IWhatsAppBusinessClient.cs
index 08b0a1b..27d501b 100644
--- a/WhatsappBusiness.CloudApi/Interfaces/IWhatsAppBusinessClient.cs
+++ b/WhatsappBusiness.CloudApi/Interfaces/IWhatsAppBusinessClient.cs
@@ -858,6 +858,24 @@ public interface IWhatsAppBusinessClient
         /// <returns>WhatsAppResponse</returns>
         WhatsAppResponse SendMPMTemplate(MultiProductTemplateMessageRequest multiProductTemplateMessageRequest, WhatsAppBusinessCloudApiConfig? cloudApiConfig = null, CancellationToken cancellationToken = default);
 
+        /// <summary>
+        /// Send SPM Template Message
+        /// </summary>
+        /// <param name="singleProductTemplateMessageRequest">SingleProductTemplateMessageRequest object</param>
+        /// <param name="cloudApiConfig">Custom WhatsAppBusinessCloudApiConfig</param>
+        /// <param name="cancellationToken">Cancellation token</param>
+        /// <returns>WhatsAppResponse</returns>
+        Task<WhatsAppResponse> SendSPMTemplateAsync(SingleProductTemplateMessageRequest singleProductTemplateMessageRequest, WhatsAppBusinessCloudApiConfig? cloudApiConfig = null, CancellationToken cancellationToken = default);
+
+		/// <summary>
+		/// Send SPM Template Message
+		/// </summary>
+		/// <param name="singleProductTemplateMessageRequest">SingleProductTemplateMessageRequest object</param>
+		/// <param name="cloudApiConfig">Custom WhatsAppBusinessCloudApiConfig</param>
+		/// <param name="cancellationToken">Cancellation token</param>
+		/// <returns>WhatsAppResponse</returns>
+		WhatsAppResponse SendSPMTemplate(SingleProductTemplateMessageRequest singleProductTemplateMessageRequest, WhatsAppBusinessCloudApiConfig? cloudApiConfig = null, CancellationToken cancellationToken = default);
+
         /// <summary>
         /// Send Catalog Template Message
         /// </summary>
diff --git a/WhatsappBusiness.CloudApi/Messages/Requests/SingleProductTemplateMessageRequest.cs b/WhatsappBusiness.CloudApi/Messages/Requests/SingleProductTemplateMessageRequest.cs
new file mode 100644
index 0000000..65fe7b9
--- /dev/null
+++ b/WhatsappBusiness.CloudApi/Messages/Requests/SingleProductTemplateMessageRequest.cs
@@ -0,0 +1,92 @@
+using Newtonsoft.Json;
+using System.Collections.Generic;
+
+namespace WhatsappBusiness.CloudApi.Messages.Requests
+{
+	public class SingleProductTemplateMessageRequest
+	{
+		[JsonProperty("messaging_product")]
+		public string MessagingProduct { get; private set; } = "whatsapp";
+
+		[JsonProperty("recipient_type")]
+		public string RecipientType { get; private set; } = "individual";
+
+		[JsonProperty("to")]
+		public string To { get; set; }
+
+		[JsonProperty("type")]
+		public string Type { get; private set; } = "template";
+
+		[JsonProperty("template")]
+		public SPMTemplate Template { get; set; }
+	}
+
+	public class SPMTemplate
+	{
+		[JsonProperty("name")]
+		public string Name { get; set; }
+
+		[JsonProperty("language")]
+		public SPMLanguage Language { get; set; }
+
+		[JsonProperty("components")]
+		public List<SPMComponent> Components { get; set; }
+	}
+
+	public class SPMComponent
+	{
+		[JsonProperty("type")]
+		public string Type { get; set; }
+
+		[JsonProperty("parameters")]
+		public List<SPMParameter> Parameters { get; set; }
+
+		[JsonProperty("format", NullValueHandling = NullValueHandling.Ignore)]
+		public string Format { get; set; }
+
+		[JsonProperty("text",  NullValueHandling = NullValueHandling.Ignore)]
+		public string Text { get; set; }
+
+		[JsonProperty("buttons", NullValueHandling = NullValueHandling.Ignore)]
+		public List<SPMButtons> Buttons { get; set; }
+	}
+
+	public class SPMParameter
+	{
+		[JsonProperty("type")]
+		public string Type { get; set; }
+
+		[JsonProperty("text", NullValueHandling = NullValueHandling.Ignore)]
+		public string Text { get; set; }
+
+		[JsonProperty("product", NullValueHandling = NullValueHandling.Ignore)]
+		public SPMProduct Product { get; set; }
+	}
+
+	public class SPMProduct
+	{
+		[JsonProperty("product_retailer_id")]
+		public string ProductId { get; set; }
+
+		[JsonProperty("catalog_id")]
+		public string CatalogId { get; set; }
+	}
+
+	public class SPMButtons
+	{
+		[JsonProperty("type")]
+		public string Type { get; set; }
+
+		[JsonProperty("text")]
+		public string Text { get; set; }
+	}
+
+	public class SPMLanguage
+	{
+		[JsonProperty("policy")]
+		public string Policy { get; set; }
+
+		[JsonProperty("code")]
+		public string Code { get; set; }
+	}
+}
diff --git a/WhatsappBusiness.CloudApi/WhatsAppBusinessClient.cs b/WhatsappBusiness.CloudApi/WhatsAppBusinessClient.cs
index 06b6f2e..604aee4 100644
--- a/WhatsappBusiness.CloudApi/WhatsAppBusinessClient.cs
+++ b/WhatsappBusiness.CloudApi/WhatsAppBusinessClient.cs
@@ -2626,6 +2626,42 @@ public WhatsAppResponse SendMPMTemplate(MultiProductTemplateMessageRequest multi
 			return WhatsAppBusinessPostAsync<WhatsAppResponse>(multiProductTemplateMessageRequest, formattedWhatsAppEndpoint, cancellationToken).GetAwaiter().GetResult();
 		}
 
+		/// <summary>
+		/// Send SPM Template Message
+		/// </summary>
+		/// <param name="singleProductTemplateMessageRequest">SingleProductTemplateMessageRequest object</param>
+		/// <param name="cloudApiConfig">Custom WhatsAppBusinessCloudApiConfig</param>
+		/// <param name="cancellationToken">Cancellation token</param>
+		/// <returns>WhatsAppResponse</returns>
+		public async Task<WhatsAppResponse> SendSPMTemplateAsync(SingleProductTemplateMessageRequest singleProductTemplateMessageRequest, WhatsAppBusinessCloudApiConfig? cloudApiConfig = null, CancellationToken cancellationToken = default)
+        {
+			if (cloudApiConfig is not null)
+			{
+				_whatsAppConfig = cloudApiConfig;
+			}
+
+			var formattedWhatsAppEndpoint = WhatsAppBusinessRequestEndpoint.SendMessage.Replace("{{Phone-Number-ID}}", _whatsAppConfig.WhatsAppBusinessPhoneNumberId);
+			return await WhatsAppBusinessPostAsync<WhatsAppResponse>(singleProductTemplateMessageRequest, formattedWhatsAppEndpoint, cancellationToken);
+		}
+
+		/// <summary>
+		/// Send SPM Template Message
+		/// </summary>
+		/// <param name="singleProductTemplateMessageRequest">SingleProductTemplateMessageRequest object</param>
+		/// <param name="cloudApiConfig">Custom WhatsAppBusinessCloudApiConfig</param>
+		/// <param name="cancellationToken">Cancellation token</param>
+		/// <returns>WhatsAppResponse</returns>
+		public WhatsAppResponse SendSPMTemplate(SingleProductTemplateMessageRequest singleProductTemplateMessageRequest, WhatsAppBusinessCloudApiConfig? cloudApiConfig = null, CancellationToken cancellationToken = default)
+        {
+			if (cloudApiConfig is not null)
+			{
+				_whatsAppConfig = cloudApiConfig;
+			}
+
+			var formattedWhatsAppEndpoint = WhatsAppBusinessRequestEndpoint.SendMessage.Replace("{{Phone-Number-ID}}", _whatsAppConfig.WhatsAppBusinessPhoneNumberId);
+			return WhatsAppBusinessPostAsync<WhatsAppResponse>(singleProductTemplateMessageRequest, formattedWhatsAppEndpoint, cancellationToken).GetAwaiter().GetResult();
+		}
+
 		/// <summary>
 		/// Send Catalog Template Message
 		/// </summary>