Re-fabrication

Yavsc.Server/Attributes/Validation/YaRegularExpression.cs

@@ -0,0 +1,17 @@
+using System.Resources;
+using Yavsc.Resources;
+
+namespace Yavsc.Attributes.Validation
+{
+    public class YaRegularExpression : System.ComponentModel.DataAnnotations.RegularExpressionAttribute { 
+        public YaRegularExpression(string pattern): base (pattern)
+        {
+            this.ErrorMessage = pattern;
+        }
+
+        public override string FormatErrorMessage(string name)
+        {
+            return ResourcesHelpers.DefaultResourceManager.GetString(this.ErrorMessageResourceName);
+        }
+    }
+}

Yavsc.Server/Attributes/Validation/YaRequiredAttribute.cs

@@ -0,0 +1,37 @@
+using System;
+
+namespace Yavsc.Attributes.Validation
+{
+    [AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter, AllowMultiple = false)]
+    public class YaRequiredAttribute : YaValidationAttribute
+    {
+
+        /// <summary>
+        /// Gets or sets a flag indicating whether the attribute should allow empty strings.
+        /// </summary>
+        public bool AllowEmptyStrings { get; set; }
+         public YaRequiredAttribute (string msg) : base()
+         {
+             ErrorMessage = msg;
+         } 
+        public YaRequiredAttribute () 
+        {
+            this.ErrorMessage = ResourcesHelpers.DefaultResourceManager.GetString("RequiredField");
+            
+        }
+        public override bool IsValid(object value) {
+            if (value == null) {
+                return false;
+            }
+
+            // only check string length if empty strings are not allowed
+            var stringValue = value as string;
+            if (stringValue != null && !AllowEmptyStrings) {
+                return stringValue.Trim().Length != 0;
+            }
+
+            return true;
+        }
+    }
+    
+}

Yavsc.Server/Attributes/Validation/YaStringLength.cs

@@ -0,0 +1,58 @@
+namespace Yavsc.Attributes.Validation
+{
+    public class YaStringLength: YaValidationAttribute
+    {
+        public long MinLen { get; set; } = -1;
+        private long maxLen;
+        public YaStringLength(long maxLen) : base(
+            ()=>string.Format(
+                ResourcesHelpers.DefaultResourceManager.GetString("BadStringLength"),
+                maxLen))
+        {
+            this.maxLen = maxLen;
+        }
+
+        private long excedent;
+        private long manquant;
+
+        public override bool IsValid(object value) {
+            if (value == null) {
+                return false;
+            }
+            string stringValue = value as string;
+            if (stringValue==null) return false;
+            if (MinLen>=0) 
+                {
+                    if (stringValue.Length<MinLen)
+                    {
+                        manquant = MinLen-stringValue.Length;
+                    }
+                    return false;
+                }
+            if (maxLen>=0)
+                {
+                    if (stringValue.Length>maxLen) {
+                        excedent = stringValue.Length-maxLen;
+                        return false;
+                    }
+                }
+            return true;
+        }
+        public override string FormatErrorMessage(string name)
+        {
+            if (MinLen<0) {
+                // DetailledMaxStringLength
+                return string.Format(
+                ResourcesHelpers.DefaultResourceManager.GetString("DetailledMaxStringLength"),
+                maxLen,
+                excedent);
+            } else 
+                return string.Format(
+                ResourcesHelpers.DefaultResourceManager.GetString("DetailledMinMaxStringLength"),
+                MinLen,
+                maxLen,
+                manquant,
+                excedent);
+        }
+    }
+}

Yavsc.Server/Attributes/Validation/YaValidationAttribute.cs

@@ -0,0 +1,22 @@
+using System;
+
+namespace Yavsc.Attributes.Validation
+{
+    public class YaValidationAttribute : System.ComponentModel.DataAnnotations.ValidationAttribute
+    {
+        public YaValidationAttribute() : base(()=> ResourcesHelpers.DefaultResourceManager.GetString("validationError"))
+        {
+
+        }
+        
+        public YaValidationAttribute(Func<string> acr): base(acr)
+        {
+
+        }
+
+        public override string FormatErrorMessage(string name)
+        {
+            return ResourcesHelpers.DefaultResourceManager.GetString(name);
+        }
+    }
+}