QueryDBException - Represents exceptions specific to QueryDB operations

Author: abhinavminhas

QueryDB/Exceptions/QueryDBException.cs

@@ -0,0 +1,81 @@
+using System;
+
+namespace QueryDB.Exceptions
+{
+    /// <summary>
+    /// Represents exceptions specific to QueryDB operations.
+    /// </summary>
+    public class QueryDBException : Exception
+    {
+        /// <summary>
+        /// Gets the type of the error that occurred.
+        /// </summary>
+        public string ErrorType { get; }
+
+        /// <summary>
+        /// Gets additional information about the error, if available.
+        /// </summary>
+        public string AdditionalInfo { get; }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="QueryDBException"/> class.
+        /// </summary>
+        /// <param name="message">The error message that describes the error.</param>
+        /// <param name="errorType">The type of the error.</param>
+        /// <param name="additionalInfo">Optional additional information about the error.</param>
+        public QueryDBException(string message, string errorType, string additionalInfo = null) : base(message)
+        {
+            ErrorType = errorType;
+            AdditionalInfo = additionalInfo;
+        }
+
+        /// <summary>
+        /// Returns a string representation of the exception, including error type and additional information.
+        /// </summary>
+        /// <returns>A string containing the error type, message, and additional information.</returns>
+        public override string ToString()
+        {
+            string info = string.IsNullOrEmpty(AdditionalInfo) ? "" : $", Info: {AdditionalInfo}";
+            return $"Type: {ErrorType}, Message: {Message}{info}";
+        }
+    }
+
+    /// <summary>
+    /// Provides predefined error types, messages, and additional information for QueryDB exceptions.
+    /// </summary>
+    internal static class QueryDBExceptions
+    {
+        /// <summary>
+        /// Defines standard error types for QueryDB exceptions.
+        /// </summary>
+        internal static class ErrorType
+        {
+            /// <summary>
+            /// Error type indicating an unsupported command.
+            /// </summary>
+            internal static string UnsupportedCommand = "UnsupportedCommand";
+        }
+
+        /// <summary>
+        /// Defines standard error messages for QueryDB exceptions.
+        /// </summary>
+        internal static class ErrorMessage
+        {
+            /// <summary>
+            /// Error message indicating that SELECT queries are not supported.
+            /// </summary>
+            internal static string UnsupportedSelectExecuteCommand = "SELECT queries are not supported here.";
+        }
+
+        /// <summary>
+        /// Defines additional information related to QueryDB exceptions.
+        /// </summary>
+        internal static class AdditionalInfo
+        {
+            /// <summary>
+            /// Additional information about unsupported SELECT queries in 'ExecuteCommand'.
+            /// </summary>
+            internal static string UnsupportedSelectExecuteCommand = "'ExecuteCommand' doesn't support SELECT queries.";
+        }
+    }
+}