changed deleteRow method to use Upsert and added a helper class (Payl…

SODA/SodaClient.cs

@@ -439,13 +439,52 @@ public SodaResult DeleteRow(string rowId, string resourceId)
             if (String.IsNullOrEmpty(Username) || String.IsNullOrEmpty(password))
                 throw new InvalidOperationException("Write operations require an authenticated client.");
 
-            var uri = SodaUri.ForResourceAPI(Host, resourceId, rowId);
+            //Get the unique identifier field
+            var metaData = GetMetadata(resourceId);
+            var idFieldName = metaData.RowIdentifierField;
 
-            var request = new SodaRequest(uri, "DELETE", AppToken, Username, password);
+            //construct the json payload
+            string jsonPayload = PayloadBuilder.GetDeletePayload(idFieldName, rowId);
 
-            return request.ParseResponse<SodaResult>();
+            return Upsert(jsonPayload, SodaDataFormat.JSON, resourceId);
         }
 
+
+        /// <summary>
+        /// Delete multiple rows using the provided list of id's and resource identifier.
+        /// </summary>
+        /// <param name="rowIds">A List of identifiers of the rows to be deleted.</param>
+        /// <param name="resourceId">The identifier (4x4) for a resource on the Socrata host to target.</param>
+        /// <returns>A <see cref="SodaResult"/> indicating success or failure.</returns>
+        /// <exception cref="System.ArgumentOutOfRangeException">Thrown if the specified <paramref name="resourceId"/> does not match the Socrata 4x4 pattern.</exception>
+        /// <exception cref="System.InvalidOperationException">Thrown if this SodaClient was initialized without authentication credentials.</exception>
+        public SodaResult DeleteRow(List<string> rowIds, string resourceId)
+        {
+
+            if (rowIds.Count == 0)
+                return new SodaResult()
+                {
+                    Message = "No row identifiers provided to delete"
+                };
+
+            if (FourByFour.IsNotValid(resourceId))
+                throw new ArgumentOutOfRangeException("resourceId", "The provided resourceId is not a valid Socrata (4x4) resource identifier.");
+
+            if (String.IsNullOrEmpty(Username) || String.IsNullOrEmpty(password))
+                throw new InvalidOperationException("Write operations require an authenticated client.");
+
+            //Get the unique identifier field
+            var metaData = GetMetadata(resourceId);
+            var idFieldName = metaData.RowIdentifierField;
+
+            //construct the json payload
+            string jsonPayload = PayloadBuilder.GetDeletePayload(idFieldName, rowIds);
+
+            return Upsert(jsonPayload, SodaDataFormat.JSON, resourceId);
+
+        }
+
+
         /// <summary>
         /// Send an HTTP GET request to the specified URI and intepret the result as TResult.
         /// </summary>

SODA/Utilities/PayloadBuilder.cs

@@ -0,0 +1,41 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace SODA.Utilities
+{
+    /// <summary>
+    /// Helper class for constructing payload for post requests
+    /// </summary>
+    class PayloadBuilder
+    {
+        /// <summary>
+        /// Construct JSON payload to delete a single row using Upsert
+        /// </summary>
+        /// <param name="idFieldName">The name of the unique id field for the resource.</param>
+        /// <param name="rowId">The identifier of the row to be deleted.</param>
+        /// <returns>A json array string for submitting to the Upsert method</returns>
+        public static string GetDeletePayload(string IdFieldName,string rowId)
+        {
+           return $"[{{\"{IdFieldName}\": \"{rowId}\",\":deleted\": true }}]";
+        }
+
+        /// <summary>
+        /// Construct JSON payload to delete multiple rows using Upsert
+        /// </summary>
+        /// <param name="idFieldName">The name of the unique id field for the resource.</param>
+        /// <param name="rowIds">List of row identifiers to be deleted.</param>
+        /// <returns>A json array string for submitting to the Upsert method</returns>
+        public static string  GetDeletePayload(string idFieldName, List<string> rowIds)
+        {
+            string jsonPayload = "[";
+            foreach (var rowId in rowIds)
+            {
+                jsonPayload = $"{jsonPayload}{{\"{idFieldName}\": \"{rowId}\",\":deleted\": true }},";
+            }
+
+            jsonPayload = jsonPayload.TrimEnd(',');
+            return $"{jsonPayload}]";
+        }
+    }
+}