reorg

src/Yavsc.Abstract/Attributes/Validation/YaStringLength.cs

@@ -0,0 +1,53 @@
+using System;
+
+namespace Yavsc.Attributes.Validation
+{
+    public partial class YaStringLength: YaValidationAttribute
+    {
+        public long MinimumLength { get; set; } = 0;
+        private readonly long maxLen;
+        public YaStringLength(long maxLen) : base( ()=> "BadStringLength")
+        {
+            this.maxLen = maxLen;
+            UseDefaultErrorMessage();
+        }
+        public YaStringLength(long minLen, long maxLen) : base( ()=> "BadStringLength")
+        {
+            this.maxLen = maxLen;
+            this.MinimumLength=minLen;
+            UseDefaultErrorMessage();
+        }
+        void UseDefaultErrorMessage()
+        {
+            if (ErrorMessageResourceType==null)  {
+                ErrorMessageResourceType = typeof(Yavsc.Attributes.Validation.Resources);
+                ErrorMessageResourceName = "InvalidStringLength"; 
+            }
+        }
+
+        public override bool IsValid(object value) {
+            
+            string stringValue = value as string;
+            if (stringValue==null) return MinimumLength <= 0;
+            if (MinimumLength>=0) 
+                {
+                    if (stringValue.Length< MinimumLength) {
+                        return false;
+                    }
+                }
+            if (maxLen>=0)
+                {
+                    if (stringValue.Length>maxLen) {
+                        return false;
+                    }
+                }
+            return true;
+        }
+        public override string FormatErrorMessage(string name)
+        {
+            var temp  = base.FormatErrorMessage(name);
+            return string.Format(temp, MinimumLength, maxLen);
+        }
+
+    }
+}