コード例 #1
0
        /// <summary>
        /// Injects the values from the current event trace into the supplied object
        /// </summary>
        public static object InjectTraceValues <T>(this IAuditLog auditLog, object obj)
        {
            var doc = XDocument.Parse(auditLog.AuditDetails);

            foreach (var element in doc.Root.Elements("Property"))
            {
                var trace = AuditLogEventTrace.FromXml <T>(element, obj.GetType());

                var pi = PropertyHelper.GetPropertyInfo(obj.GetType(), trace.PropertyName);

                if (pi == null || pi.GetSetMethod() == null)
                {
                    continue;
                }

                var originalType = trace.OriginalValue.GetType();

                if (originalType.Implements <IDwarf>())
                {
                    originalType = originalType.BaseType;
                }

                var val = originalType == pi.PropertyType ? trace.OriginalValue : Convert.ChangeType(trace.OriginalValue, pi.PropertyType.IsNullable() ? Nullable.GetUnderlyingType(pi.PropertyType) : pi.PropertyType);
                pi.SetValue(obj, val, null);
            }

            return(obj);
        }
コード例 #2
0
        /// <summary>
        /// Returns true if an event trace of the supplied property in the audit log is found
        /// </summary>
        public static bool ContainsLogData <T>(this IAuditLog auditLog, Expression <Func <T, object> > expression)
        {
            if (string.IsNullOrEmpty(auditLog.AuditDetails))
            {
                return(false);
            }

            var doc = XDocument.Parse(auditLog.AuditDetails);

            foreach (var element in doc.Root.Elements("Property"))
            {
                var trace = AuditLogEventTrace.FromXml <T>(element);

                if (trace.PropertyName.Equals(ReflectionHelper.GetPropertyName(expression)))
                {
                    return(true);
                }
            }

            return(false);
        }
コード例 #3
0
        /// <summary>
        /// Finds the event trace of the supplied property in the audit log
        /// and returns, if possible, a typed array of the values; OriginalValue | NewValue
        /// </summary>
        public static dynamic GetLogData <T, TY>(this IAuditLog auditLog, Expression <Func <T, TY> > expression)
        {
            if (string.IsNullOrEmpty(auditLog.AuditDetails))
            {
                return(null);
            }

            var doc = XDocument.Parse(auditLog.AuditDetails);

            foreach (var element in doc.Root.Elements("Property"))
            {
                var trace = AuditLogEventTrace.FromXml <T>(element);

                if (trace.PropertyName.Equals(ReflectionHelper.GetPropertyName(expression)))
                {
                    IDictionary <string, object> result = new ExpandoObject();
                    result["OldValue"] = (TY)Convert.ChangeType(trace.OriginalValue, typeof(TY));
                    result["NewValue"] = (TY)Convert.ChangeType(trace.NewValue, typeof(TY));
                    return(result);
                }
            }

            throw new InvalidOperationException("No events found for " + ReflectionHelper.GetPropertyName(expression));
        }
コード例 #4
0
 /// <summary>
 /// Returns all AuditLogEventTraces for the current AuditLog
 /// </summary>
 public static IEnumerable <AuditLogEventTrace> AuditLogEventTraces <T>(this IAuditLog auditLog, Type type)
 {
     return(string.IsNullOrEmpty(auditLog.AuditDetails)
                ? new List <AuditLogEventTrace>()
                : XDocument.Parse(auditLog.AuditDetails).Root.Elements("Property").Select(x => AuditLogEventTrace.FromXml <T>(x, type)));
 }