Using YaStringLength and YaRequired

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

@@ -14,10 +14,12 @@ namespace Yavsc.Attributes.Validation
          {
              ErrorMessage = msg;
          } 
-        public YaRequiredAttribute () : base("RequiredField")
+        public YaRequiredAttribute () : base("Required Field")
         {
-            
+            ErrorMessageResourceType = typeof(Yavsc.Attributes.Validation.Resources);
+            ErrorMessageResourceName = "FieldRequired";
         }
+        
         public override bool IsValid(object value) {
             if (value == null) {
                 return false;

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

@@ -20,7 +20,7 @@ namespace Yavsc.Attributes.Validation
         void UseDefaultErrorMessage()
         {
             if (ErrorMessageResourceType==null)  {
-                ErrorMessageResourceType = typeof(YaStringLength);
+                ErrorMessageResourceType = typeof(Yavsc.Attributes.Validation.Resources);
                 ErrorMessageResourceName = "InvalidStringLength"; 
             }
         }

src/Yavsc.Abstract/FileSystem/AbstractFileSystemHelpers.cs

@@ -12,14 +12,24 @@ namespace Yavsc.Helpers
         public static string UserBillsDirName {  set; get; }
         public static string UserFilesDirName {  set; get; }
         
+        /// <summary>
+        /// Is Valid this Path?
+        /// Return true when given value is a valid user file sub-path,
+        /// regarding chars used to specify it.
+        /// </summary>
+        /// <param name="path">Path to validate</param>
+        /// <returns></returns>
         public static bool IsValidYavscPath(this string path)
         {
             if (string.IsNullOrEmpty(path)) return true;
+            // disallow full path specification
+            if (path[0]==Path.DirectorySeparatorChar) return false;
             foreach (var name in path.Split(Path.DirectorySeparatorChar))
             {
                 if (!IsValidDirectoryName(name) || name.Equals("..") || name.Equals("."))
                         return false;
             }
+            // disallow trailling slash
             if (path[path.Length-1]==RemoteDirectorySeparator) return false;
             return true;
         }

src/Yavsc.Abstract/FileSystem/FsOperationInfo.cs

@@ -0,0 +1,7 @@
+namespace Yavsc.Helpers
+{
+    public class FsOperationInfo {
+        public bool Done { get; set; } = false;
+        public string Error { get; set; }
+    }
+}

src/Yavsc.Abstract/FileSystem/RemoteFileInfo.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 
 namespace Yavsc.ViewModels
 {
@@ -12,7 +12,6 @@ namespace Yavsc.ViewModels
 
         public DateTime LastModified { get; set; }
        
-       
     }
 
 }

src/Yavsc.Abstract/Identity/BlackListedUserName.cs

@@ -1,11 +1,12 @@
 using System.ComponentModel.DataAnnotations;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.Models.Identity
 {
     public class BlackListedUserName : IWatchedUserName {
 
         [Key]
-        [StringLength(1024)]
+        [YaStringLength(1024)]
         public string Name { get; set;}
 
     }

src/Yavsc.Abstract/Identity/ReservedUserName.cs

@@ -1,11 +1,12 @@
 using System.ComponentModel.DataAnnotations;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.Models.Identity
 {
     public class ReservedUserName : IWatchedUserName {
 
         [Key]
-        [StringLength(1024)]
+        [YaStringLength(1024)]
         public string Name { get; set;}
 
     }

src/Yavsc.Abstract/Makefile

@@ -1,6 +1,6 @@
 SOURCE_DIR=$(HOME)/workspace/yavsc
 MAKEFILE_DIR=$(SOURCE_DIR)/scripts/build/make
-BASERESX=Resources/Yavsc.Attributes.Validation.YaStringLength.resx 
+BASERESX=Resources/Yavsc.Attributes.Validation.Resources.resx
 BASERESXGEN=$(BASERESX:.resx=.Designer.cs)
 include $(MAKEFILE_DIR)/versioning.mk
 include $(MAKEFILE_DIR)/dnx.mk

src/Yavsc.Abstract/Resources/Yavsc.Attributes.Validation.Resources pt.resx

@@ -0,0 +1,67 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <!-- 
+    route name for the api controller used to tag the 'BlogPost' entity
+   -->
+  <data name="FieldRequired"><value>Por favor, preencha este campo</value></data>
+  <data name="InvalidStringLength"><value>comprimento inválido da corrente ({0}..{1})</value></data>
+  
+</root>

src/Yavsc.Abstract/Resources/Yavsc.Attributes.Validation.Resources.Designer.cs

@@ -1,12 +1,12 @@
-//------------------------------------------------------------------------------
+// ------------------------------------------------------------------------------
-// <auto-generated>
+//  <autogenerated>
 //      This code was generated by a tool.
-//     Runtime Version:4.0.30319.42000
+//      Mono Runtime Version: 4.0.30319.42000
 // 
 //      Changes to this file may cause incorrect behavior and will be lost if 
 //      the code is regenerated.
-// </auto-generated>
+//  </autogenerated>
-//------------------------------------------------------------------------------
+// ------------------------------------------------------------------------------
 
 namespace Yavsc.Attributes.Validation {
     using System;
@@ -16,7 +16,7 @@ namespace Yavsc.Attributes.Validation {
     [System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "4.0.0.0")]
     [System.Diagnostics.DebuggerNonUserCodeAttribute()]
     [System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
-    public partial class YaStringLength {
+    public partial class Resources {
         
         private static System.Resources.ResourceManager resourceMan;
         
@@ -26,7 +26,7 @@ namespace Yavsc.Attributes.Validation {
         public static System.Resources.ResourceManager ResourceManager {
             get {
                 if (object.Equals(null, resourceMan)) {
-                    System.Resources.ResourceManager temp = new System.Resources.ResourceManager(("Yavsc.Abstract.Resources." + "Yavsc.Attributes.Validation.YaStringLength"), typeof(YaStringLength).GetTypeInfo().Assembly);
+                    System.Resources.ResourceManager temp = new System.Resources.ResourceManager(("Yavsc.Abstract.Resources." + "Yavsc.Attributes.Validation.Resources"), typeof(Resources).GetTypeInfo().Assembly);
                     resourceMan = temp;
                 }
                 return resourceMan;
@@ -43,6 +43,12 @@ namespace Yavsc.Attributes.Validation {
             }
         }
         
+        public static string FieldRequired {
+            get {
+                return ResourceManager.GetString("FieldRequired", resourceCulture);
+            }
+        }
+        
         public static string InvalidStringLength {
             get {
                 return ResourceManager.GetString("InvalidStringLength", resourceCulture);

src/Yavsc.Abstract/Resources/Yavsc.Attributes.Validation.Resources.en.resx

@@ -61,6 +61,6 @@
   <!-- 
     route name for the api controller used to tag the 'BlogPost' entity
    -->
+  <data name="FieldRequired"><value>Please, fill in this field</value></data>
   <data name="InvalidStringLength"><value>Invalid string length ({0}..{1})</value></data>
-  
 </root>

src/Yavsc.Abstract/Resources/Yavsc.Attributes.Validation.Resources.resx

@@ -61,6 +61,6 @@
   <!-- 
     route name for the api controller used to tag the 'BlogPost' entity
    -->
+  <data name="FieldRequired"><value>Veuillez renseigner ce champ</value></data>
   <data name="InvalidStringLength"><value>Longueur de chaine invalide ({0}..{1})</value></data>
-  
 </root>

src/Yavsc.Server/Models/Bank/BankIdentity.cs

@@ -1,6 +1,7 @@
 using System.ComponentModel;
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.Models.Bank
 {
@@ -14,7 +15,7 @@ namespace Yavsc.Models.Bank
         /// </summary> 
         /// <value>The BI.</value> 
         [DisplayName("Code BIC")]
-        [StringLength(15)]
+        [YaStringLength(15)]
         public string BIC { get; set; }
 
         /// <summary> 
@@ -22,7 +23,7 @@ namespace Yavsc.Models.Bank
         /// </summary> 
         /// <value>The IBA.</value> 
         [DisplayName("Code IBAN")]
-        [StringLength(33)]
+        [YaStringLength(33)]
         public string IBAN { get; set; }
 
 
@@ -31,7 +32,7 @@ namespace Yavsc.Models.Bank
         /// </summary> 
         /// <value>The bank code.</value> 
         [DisplayName("Code Banque")]
-        [StringLength(5)]
+        [YaStringLength(5)]
         public string BankCode { get; set; }
 
         /// <summary> 
@@ -39,7 +40,7 @@ namespace Yavsc.Models.Bank
         /// </summary> 
         /// <value>The wicket code.</value> 
         [DisplayName("Code Guichet")]
-        [StringLength(5)]
+        [YaStringLength(5)]
         public string WicketCode { get; set; }
 
         /// <summary> 
@@ -47,7 +48,7 @@ namespace Yavsc.Models.Bank
         /// </summary> 
         /// <value>The account number.</value> 
         [DisplayName("Numéro de compte")]
-        [StringLength(15)]
+        [YaStringLength(15)]
         public string AccountNumber { get; set; }
 
         /// <summary> 

src/Yavsc.Server/Models/Blog/BlogPost.cs

@@ -5,6 +5,7 @@ using System.ComponentModel.DataAnnotations.Schema;
 using System.Linq;
 using Newtonsoft.Json;
 using Yavsc.Abstract.Identity.Security;
+using Yavsc.Attributes.Validation;
 using Yavsc.Interfaces;
 using Yavsc.Models.Access;
 using Yavsc.Models.Relationship;
@@ -17,19 +18,19 @@ namespace Yavsc.Models.Blog
         [Display(Name="Identifiant du post")]
         public long Id { get; set; }
 
-        [Display(Name="Contenu")][StringLength(56224)]
+        [Display(Name="Contenu")][YaStringLength(56224)]
         public string Content { get; set; }
 
-        [Display(Name="Photo")][StringLength(1024)]
+        [Display(Name="Photo")][YaStringLength(1024)]
         public string Photo { get; set; }
 
-        [StringLength(8)]
+        [YaStringLength(8)]
         public string Lang { get; set; }
 
         [Display(Name="Indice de qualité")]
         public int Rate { get; set; }
 
-        [Display(Name="Titre")][StringLength(1024)]
+        [Display(Name="Titre")][YaStringLength(1024)]
         public string Title { get; set; }
 
         [Display(Name="Identifiant de l'auteur")]

src/Yavsc.Server/Models/Blog/Comment.cs

@@ -13,7 +13,7 @@ namespace Yavsc.Models.Blog
         [Key(), DatabaseGenerated(DatabaseGeneratedOption.Identity)]
         public long Id { get; set; }
 
-        [StringLength(1024)] 
+        [YaStringLength(1024)] 
         public string Content { get; set; }
         
         [ForeignKeyAttribute("PostId")][JsonIgnore]

src/Yavsc.Server/Models/Chat/ChatRoom.cs

@@ -5,6 +5,7 @@ using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
 using Newtonsoft.Json;
 using Yavsc.Abstract.Chat;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.Models.Chat
 {
@@ -13,7 +14,7 @@ namespace Yavsc.Models.Chat
         public string Topic { get; set; }
 
         [Key]
-        [StringLengthAttribute(ChatHubConstants.MaxChanelName, MinimumLength=3)]
+        [YaStringLength(ChatHubConstants.MaxChanelName, MinimumLength=3)]
         public string Name { get; set;}
 
         public string OwnerId { get; set; }

src/Yavsc.Server/Models/HairCut/HairCutQuery.cs

@@ -13,6 +13,7 @@ using Microsoft.Extensions.Localization;
 using Yavsc.ViewModels.PayPal;
 using Yavsc.Models.HairCut;
 using Yavsc.Abstract.Identity;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.Models.Haircut
 {
@@ -65,8 +66,7 @@ namespace Yavsc.Models.Haircut
             set;
         }
 
-        [Display(Name = "Informations complémentaires"),
+        [Display(Name = "Informations complémentaires"), YaStringLength(512)]
-        StringLengthAttribute(512)]
         [DisplayFormat(ConvertEmptyStringToNull = true, NullDisplayText = "[pas d'informations complémentaires]")]
         public string AdditionalInfo { get; set; }
 

src/Yavsc.Server/Models/IT/Evolution/Feature.cs

@@ -9,10 +9,10 @@ namespace Yavsc.Models.IT.Evolution
         [Key,DatabaseGenerated(DatabaseGeneratedOption.Identity)]
         public long Id { get; set; }
 
-        [StringLength(256)]
+        [YaStringLength(256)]
         public string ShortName { get; set; }
         
-        [StringLength(10*1024)]
+        [YaStringLength(10*1024)]
         public string Description { get; set; }
 
         public FeatureStatus Status { get; set; }

src/Yavsc.Server/Models/IT/Project.cs

@@ -3,6 +3,7 @@ using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
 using System.Linq;
 using Yavsc.Abstract.IT;
+using Yavsc.Attributes.Validation;
 using Yavsc.Billing;
 using Yavsc.Models.Billing;
 using Yavsc.Server.Models.IT.SourceCode;
@@ -23,7 +24,7 @@ namespace Yavsc.Server.Models.IT
         /// As a side effect, there's no project without valid git reference in db. 
         /// </summary>
         /// <returns></returns>
-        [Required]
+        [YaRequired]
         public string Name { get; set; }
 
         public string Version { get; set; }
@@ -32,7 +33,7 @@ namespace Yavsc.Server.Models.IT
         public virtual List<ProjectBuildConfiguration> Configurations { get; set; }
 
 
-        [Required]
+        [YaRequired]
         public long GitId { get; set; }
 
         [ForeignKey("GitId")]

src/Yavsc.Server/Models/IT/ProjectBuildConfiguration.cs

@@ -1,5 +1,6 @@
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.Server.Models.IT
 {
@@ -12,7 +13,7 @@ namespace Yavsc.Server.Models.IT
         [Key,DatabaseGenerated(DatabaseGeneratedOption.Identity)]
         public long Id { get; set; }
 
-        [Required]
+        [YaRequired]
         public string Name { get; set; }
 
         public long ProjectId { get; set; }

src/Yavsc.Server/Models/IT/SourceCode/GitRepository.cs

@@ -1,5 +1,6 @@
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
+using Yavsc.Attributes.Validation;
 using Yavsc.Models;
 
 namespace Yavsc.Server.Models.IT.SourceCode
@@ -9,16 +10,16 @@ namespace Yavsc.Server.Models.IT.SourceCode
         [Key,DatabaseGenerated(DatabaseGeneratedOption.Identity)]
         public long Id { get; set; }
 
-        [Required]
+        [YaRequired]
         public string Path { get; set; }
 
-        [StringLength(2048)]
+        [YaStringLength(2048)]
         public string Url { get; set; }
 
-        [StringLength(512)]
+        [YaStringLength(512)]
         public string Branch { get; set; }
 
-        [StringLength(1024)]
+        [YaStringLength(1024)]
         public string OwnerId { get; set; }
         
         [ForeignKey("OwnerId")]

src/Yavsc.Server/Models/Messaging/CircleEvent.cs

@@ -25,6 +25,8 @@ using System.ComponentModel.DataAnnotations;
 namespace Yavsc.Models.Messaging
 {
     using Models.Relationship;
+    using Yavsc.Attributes.Validation;
+
     /// <summary>
     /// Event pub.
     /// </summary>
@@ -34,8 +36,7 @@ namespace Yavsc.Models.Messaging
 		/// Gets or sets the circles.
 		/// </summary>
 		/// <value>The circles.</value>
-		[Required(ErrorMessageResourceName="Circles"),
+		[YaRequired, Display(Name="Circles")]
-			Display(Name="Circles")]
 		public virtual List<Circle> Circles{ get; set; }
 
         public override string CreateBody()

src/Yavsc.Server/Models/Messaging/DimissClicked.cs

@@ -1,17 +1,18 @@
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.Models.Messaging
 {
     public class DimissClicked
     {
-        [Required]
+        [YaRequired]
         public string UserId { get; set; }
         
         [ForeignKey("UserId")]
         public virtual ApplicationUser User { get; set; }
 
-        [Required]
+        [YaRequired]
         public long NotificationId { get; set; }
 
         [ForeignKey("NotificationId")]

src/Yavsc.Server/Models/Messaging/LiveFlow.cs

@@ -2,6 +2,7 @@ using System;
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
 using Yavsc.Abstract.Streaming;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.Models.Streaming
 {
@@ -18,29 +19,29 @@ namespace Yavsc.Models.Streaming
       ///  a title for this flow
       /// </summary>
       /// <value></value>
-      [StringLength(255)]
+      [YaStringLength(255)]
       [Display(Name="TitleLabel", ResourceType=typeof(LiveFlow))]
       public string Title { get; set; }
 
       // a little description
-      [StringLength(1023)]
+      [YaStringLength(1023)]
       [Display(Name="PitchLabel", ResourceType=typeof(LiveFlow))]
       public string Pitch { get; set; }
 
       // The stream type
-      [StringLength(127)]
+      [YaStringLength(127)]
       [Display(Name="MediaTypeLabel", ResourceType=typeof(LiveFlow))]
       public string MediaType { get; set; }
 
       // A name where to save this stream, relative to user's files root
-      [StringLength(255)]
+      [YaStringLength(255)]
       [Display(Name="DifferedFileNameLabel", ResourceType=typeof(LiveFlow))]
       public string DifferedFileName { get; set; }
 
       [Display(Name="SequenceNumberLabel", ResourceType=typeof(LiveFlow))]
       public int SequenceNumber { get; set; }
 
-      [Required]
+      [YaRequired]
       [Display(Name="OwnerIdLabel", ResourceType=typeof(LiveFlow))]
       public string OwnerId {get; set; }
 

src/Yavsc.Server/Models/Musical/Instrument.cs

@@ -1,5 +1,6 @@
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.Models.Musical
 {
@@ -9,7 +10,7 @@ namespace Yavsc.Models.Musical
     [Key(), DatabaseGenerated(DatabaseGeneratedOption.Identity)]
     public long Id {get; set; }
     
-    [MaxLength(255),Required]
+    [MaxLength(255), YaRequired]
     public string Name { get ; set; }
     }
 }

src/Yavsc.Server/Models/Musical/InstrumentRating.cs

@@ -1,5 +1,6 @@
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
+using Yavsc.Attributes.Validation;
 using Yavsc.Models.Workflow;
 
 namespace Yavsc.Models.Musical
@@ -9,7 +10,7 @@ namespace Yavsc.Models.Musical
         [Key(), DatabaseGenerated(DatabaseGeneratedOption.Identity)]
         public long Id {get; set; }
 
-        [Required]
+        [YaRequired]
         public long InstrumentId { get; set; }
        
         [ForeignKey("InstrumentId")]

src/Yavsc.Server/Models/Musical/MusicalPreference.cs

@@ -1,5 +1,6 @@
 
 using System.ComponentModel.DataAnnotations;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.Models.Musical
 {
@@ -15,7 +16,7 @@ namespace Yavsc.Models.Musical
 
     public int Rate { get; set; }
     
-    [Required]
+    [YaRequired]
     public long TendencyId {get; set; }
   } 
 

src/Yavsc.Server/Models/Musical/MusicalTendency.cs

@@ -1,19 +1,15 @@
-
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
-
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.Models.Musical {
 
-  
-
   public class MusicalTendency {
 
-
     [Key(), DatabaseGenerated(DatabaseGeneratedOption.Identity)]
     public long Id {get; set; }
     
-    [MaxLength(255),Required]
+    [MaxLength(255),YaRequired]
     public string Name { get ; set; }
       
   }

src/Yavsc.Server/Models/Payment/PaypalPayment.cs

@@ -6,13 +6,14 @@ using System.ComponentModel.DataAnnotations.Schema;
 namespace Yavsc.Models.Payment {
     using Yavsc;
     using Relationship;
+    using Yavsc.Attributes.Validation;
 
     public class PayPalPayment : IBaseTrackedEntity
     {
-        [Required,Key]
+        [YaRequired,Key]
         public string CreationToken { get; set; }
 
-        [Required]
+        [YaRequired]
         public string ExecutorId { get; set; }
         [ForeignKey("ExecutorId")]
         public virtual ApplicationUser Executor { get; set; }

src/Yavsc.Server/Models/Relationship/Circle.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
 using Newtonsoft.Json;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.Models.Relationship
 {
@@ -13,10 +14,10 @@ namespace Yavsc.Models.Relationship
 
         public bool Public { get; set; }
 
-        [Required]
+        [YaRequired]
         public string Name { get; set; }
         
-        [Required]
+        [YaRequired]
         public string OwnerId { get; set; }
 
         [ForeignKey("OwnerId"),JsonIgnore,NotMapped]

src/Yavsc.Server/Models/Relationship/CircleMember.cs

@@ -1,6 +1,7 @@
 
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.Models.Relationship
 {
@@ -8,13 +9,13 @@ namespace Yavsc.Models.Relationship
     public partial class CircleMember
     {
 
-        [Required]
+        [YaRequired]
         public long CircleId { get; set; }
 
         [ForeignKey("CircleId")]
         public virtual Circle Circle { get; set; }
         
-        [Required]
+        [YaRequired]
         public string MemberId { get; set; }
 
         [ForeignKey("MemberId")]

src/Yavsc.Server/Models/Relationship/Contact.cs

@@ -1,15 +1,16 @@
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
 using Newtonsoft.Json;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.Models.Relationship
 {
     public class Contact: IContact
     {
-        [Required()]
+        [YaRequired()]
         public string UserId { get; set; }
 
-        [Required()]
+        [YaRequired()]
         public string OwnerId { get; set; }
 
         public string Name { get; set; }

src/Yavsc.Server/Models/Relationship/Location.cs

@@ -1,5 +1,6 @@
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.Models.Relationship
 {
@@ -12,7 +13,7 @@ namespace Yavsc.Models.Relationship
 		/// <summary>
 		/// The longitude.
 		/// </summary>
-        [Required(),Display(Name="Longitude")]
+        [YaRequired(),Display(Name="Longitude")]
         [Range(-180, 360.0)]
 
 		public double Longitude { get; set; }
@@ -21,7 +22,7 @@ namespace Yavsc.Models.Relationship
 		///
 		/// The latitude.
 		/// </summary>
-        [Required(),Display(Name="Latitude")]
+        [YaRequired(),Display(Name="Latitude")]
         [Range(-90, 90 )]
 		public double Latitude { get; set; }
 
@@ -30,7 +31,7 @@ namespace Yavsc.Models.Relationship
     public class Location : Position, ILocation {
         [Key, DatabaseGenerated(DatabaseGeneratedOption.Identity)]
         public long Id { get; set; }
-        [Required(),
+        [YaRequired(),
         Display(Name="Address"),
         MaxLength(512)]
         public string Address { get; set; }

src/Yavsc.Server/Models/Relationship/Tag.cs

@@ -1,6 +1,7 @@
 
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.Models.Relationship
 {
@@ -8,7 +9,7 @@ namespace Yavsc.Models.Relationship
     {
         [Key(), DatabaseGenerated(DatabaseGeneratedOption.Identity)]
         public long Id { get; set; }
-        [Required()]
+        [YaRequired()]
         public string Name { get; set; }
     }
 }

src/Yavsc.Server/Models/Workflow/Activity.cs

@@ -9,22 +9,23 @@ namespace Yavsc.Models.Workflow
 {
     using Yavsc.Models.Market;
     using Yavsc;
+    using Yavsc.Attributes.Validation;
 
     public class Activity : IBaseTrackedEntity, IActivity
     {
 
-        [StringLength(512), Required, Key]
+        [YaStringLength(512), YaRequired, Key]
         [Display(Name = "Code")]
         public string Code { get; set; }
         /// <summary>
         ///
         /// </summary>
         /// <returns></returns>
-        [StringLength(512), Required()]
+        [YaStringLength(512), YaRequired()]
         [Display(Name = "Nom")]
         public string Name { get; set; }
 
-        [StringLength(512)]
+        [YaStringLength(512)]
         [Display(Name = "Code du parent")]
         public string ParentCode { get; set; }
 

src/Yavsc.Server/Models/Workflow/CommandForm.cs

@@ -5,6 +5,8 @@ using Newtonsoft.Json;
 namespace Yavsc.Models.Workflow
 {
         using Yavsc;
+    using Yavsc.Attributes.Validation;
+
     public class CommandForm : ICommandForm
     {
         [Key,DatabaseGenerated(DatabaseGeneratedOption.Identity)]
@@ -14,7 +16,7 @@ namespace Yavsc.Models.Workflow
 
         public string Title { get; set; }
 
-        [Required]
+        [YaRequired]
         public string ActivityCode { get; set; }
 
         [ForeignKey("ActivityCode"),JsonIgnore]

src/Yavsc.Server/Models/Workflow/PerformerProfile.cs

@@ -7,6 +7,7 @@ namespace Yavsc.Models.Workflow
     using System;
     using Models.Relationship;
     using Newtonsoft.Json;
+    using Yavsc.Attributes.Validation;
     using Yavsc.Workflow;
 
     public class PerformerProfile : IPerformerProfile {
@@ -20,13 +21,13 @@ namespace Yavsc.Models.Workflow
         [Display(Name="Activity"), JsonIgnore]
         public virtual List<UserActivity> Activity { get; set; }
 
-        [Required,StringLength(14),Display(Name="SIREN"),
+        [YaRequired,YaStringLength(14),Display(Name="SIREN"),
         RegularExpression(@"^[0-9]{9,14}$", ErrorMessage = "Only numbers are allowed here")]
         public string SIREN { get; set; }
 
         public long OrganizationAddressId { get; set; }
 
-        [Required,Display(Name="Organization address"),ForeignKey("OrganizationAddressId")]
+        [YaRequired,Display(Name="Organization address"),ForeignKey("OrganizationAddressId")]
         public virtual Location OrganizationAddress { get; set; }
 
         [Display(Name="Accept notifications on client query")]

src/Yavsc.Server/Models/Workflow/RendezVous.cs

@@ -6,6 +6,7 @@ using Yavsc.Models.Market;
 namespace Yavsc.Models.Workflow
 {
     using Models.Relationship;
+    using Yavsc.Attributes.Validation;
 
     /// <summary>
     /// A date, between two persons
@@ -17,21 +18,21 @@ namespace Yavsc.Models.Workflow
         /// Event date
         /// </summary>
         /// <returns></returns>
-        [Required(),Display(Name="EventDate")]
+        [YaRequired(),Display(Name="EventDate")]
         public DateTime EventDate { get; set; }
 
         /// <summary>
         /// Location identifier
         /// </summary>
         /// <returns></returns>
-        [Required]
+        [YaRequired]
         public long LocationId { get; set; }
 
         /// <summary>
         /// A Location for this event
         /// </summary>
         /// <returns></returns>
-        [Required(ErrorMessage="SpecifyPlace"),Display(Name="Location"),ForeignKey("LocationId")]
+        [YaRequired(ErrorMessage="SpecifyPlace"),Display(Name="Location"),ForeignKey("LocationId")]
         public Location Location { get; set; }
 
     }

src/Yavsc.Server/Models/Workflow/UserActivity.cs

@@ -1,18 +1,19 @@
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
 using Newtonsoft.Json;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.Models.Workflow
 {
     public class UserActivity
     {
-        [Required]
+        [YaRequired]
         public string UserId { get; set; }
 
         [ForeignKey("UserId")]
         public virtual PerformerProfile User { get; set; }
         
-        [Required]
+        [YaRequired]
         public string DoesCode { get; set; }
 
         [ForeignKey("DoesCode")]

src/Yavsc.Server/ViewModels/Account/ChangePasswordBindingModel.cs

@@ -1,18 +1,19 @@
 
 using System.ComponentModel.DataAnnotations;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.Models.Account { 
     public class ChangePasswordBindingModel {
-        [Required]
+        [YaRequired]
         [DataType(DataType.Password)]
         public string OldPassword { get; set; }
 
-        [Required]
+        [YaRequired]
         [DataType(DataType.Password)]
         public string NewPassword { get; set; }
     }
     public class SetPasswordBindingModel {
-        [Required]
+        [YaRequired]
         [DataType(DataType.Password)]
         public string NewPassword { get; set; }
 

src/Yavsc.Server/ViewModels/Account/ExternalLoginConfirmationViewModel.cs

@@ -6,12 +6,12 @@ namespace Yavsc.ViewModels.Account
 {
     public class ExternalLoginConfirmationViewModel
     {
-        [Required]
+        [YaRequired]
         [YaStringLength(2,Constants.MaxUserNameLength)]
         [YaRegularExpression(Constants.UserNameRegExp)]
         public string Name { get; set; }
 
-        [Required]
+        [YaRequired]
         [EmailAddress]
         public string Email { get; set; }
 

src/Yavsc.Server/ViewModels/Account/ForgotPasswordViewModel.cs

@@ -1,12 +1,13 @@
 
 using System.ComponentModel.DataAnnotations;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.ViewModels.Account
 {
     public class ForgotPasswordViewModel
     {
-        [Required]
+        [YaRequired]
-        [StringLength(512)]
+        [YaStringLength(512)]
         public string LoginOrEmail { get; set; }
     }
 }

src/Yavsc.Server/ViewModels/Account/LoginViewModel.cs

@@ -1,6 +1,7 @@
 
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.ViewModels.Account
 {
@@ -10,14 +11,14 @@ namespace Yavsc.ViewModels.Account
         /// Local user's name.
         /// </summary>
         /// <returns></returns>
-        [Required]
+        [YaRequired]
         public string UserName { get; set; }
 
         /// <summary>
         /// Local user's password .
         /// </summary>
         /// <returns></returns>
-        [Required]
+        [YaRequired]
         [DataType(DataType.Password)]
         public string Password { get; set; }
 

src/Yavsc.Server/ViewModels/Account/RegisterViewModel.cs

@@ -11,7 +11,7 @@ namespace Yavsc.ViewModels.Account
         [YaRegularExpression(Constants.UserNameRegExp)]
         public string UserName { get; set; }
 
-        [Required()]
+        [YaRequired()]
         [YaStringLength(2,102)]
    //    [EmailAddress]
         [Display(Name = "Email")]

src/Yavsc.Server/ViewModels/Account/ResetPasswordViewModel.cs

@@ -1,15 +1,16 @@
 using System.ComponentModel.DataAnnotations;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.ViewModels.Account
 {
     public class ResetPasswordViewModel
     {
-        [Required]
+        [YaRequired]
         [EmailAddress]
         public string Email { get; set; }
 
-        [Required]
+        [YaRequired]
-        [StringLength(100, ErrorMessage = "Le {0} doit être long d'au moins {2} caractères.", MinimumLength = 6)]
+        [YaStringLength(100, ErrorMessage = "Le {0} doit être long d'au moins {2} caractères.", MinimumLength = 6)]
         [DataType(DataType.Password)]
         public string Password { get; set; }
 

src/Yavsc.Server/ViewModels/Account/UnregisterViewModel.cs

@@ -1,10 +1,11 @@
 using System.ComponentModel.DataAnnotations;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.ViewModels.Account
 {
     public class UnregisterViewModel
     {
-        [Required]
+        [YaRequired]
         public string UserId { get; set; }
         
         public string ReturnUrl { get; set; }

src/Yavsc.Server/ViewModels/Account/VerifyCodeViewModel.cs

@@ -1,13 +1,14 @@
 using System.ComponentModel.DataAnnotations;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.ViewModels.Account
 {
     public class VerifyCodeViewModel
     {
-        [Required]
+        [YaRequired]
         public string Provider { get; set; }
 
-        [Required]
+        [YaRequired]
         public string Code { get; set; }
 
         public string ReturnUrl { get; set; }

src/Yavsc.Server/ViewModels/Manage/AddPhoneNumberViewModel.cs

@@ -1,10 +1,11 @@
 using System.ComponentModel.DataAnnotations;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.ViewModels.Manage
 {
     public class AddPhoneNumberViewModel
     {
-        [Required]
+        [YaRequired]
         [Phone]
         [Display(Name = "Phone number")]
         public string PhoneNumber { get; set; }

src/Yavsc.Server/ViewModels/Manage/ChangePasswordViewModel.cs

@@ -1,16 +1,17 @@
 using System.ComponentModel.DataAnnotations;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.ViewModels.Manage
 {
     public class ChangePasswordViewModel
     {
-        [Required]
+        [YaRequired]
         [DataType(DataType.Password)]
         [Display(Name = "Current password")]
         public string OldPassword { get; set; }
 
-        [Required]
+        [YaRequired]
-        [StringLength(100, ErrorMessage = "The {0} must be at least {2} characters long.", MinimumLength = 6)]
+        [YaStringLength(100, ErrorMessage = "The {0} must be at least {2} characters long.", MinimumLength = 6)]
         [DataType(DataType.Password)]
         [Display(Name = "New password")]
         public string NewPassword { get; set; }

src/Yavsc.Server/ViewModels/Manage/DoDirectCreditViewModel.cs

@@ -1,35 +1,36 @@
 using System.ComponentModel.DataAnnotations;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.ViewModels.Manage
 {
 
         public class DoDirectCreditViewModel {
-            [Required]
+            [YaRequired]
             public string PaymentType  { get; set;}
-            [Required]
+            [YaRequired]
             public string PayerName  { get; set;}
-            [Required]
+            [YaRequired]
             public string FirstName  { get; set;}
-            [Required]
+            [YaRequired]
             public string LastName  { get; set;}
-            [Required]
+            [YaRequired]
             public string CreditCardNumber  { get; set;}
             public string CreditCardType  { get; set;}
             public string Cvv2Number  { get; set;}
             public string CardExpiryDate  { get; set;}
             public string IpnNotificationUrl { get; set; }
-            [Required]
+            [YaRequired]
             public string Street1 { get; set; }
             public string Street2 { get; set; }
             public string City { get; set; }
             public string State { get; set; }
             public string Country { get; set; }
-            [Required]
+            [YaRequired]
             public string PostalCode { get; set; }
             public string Phone { get; set; }
-            [Required]
+            [YaRequired]
             public string CurrencyCode { get; set; }
-            [Required]
+            [YaRequired]
             public string Amount { get; set; }
         }
 }

src/Yavsc.Server/ViewModels/Manage/SetAddressViewModel.cs

@@ -1,16 +1,17 @@
 using System.ComponentModel.DataAnnotations;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.ViewModels.Manage
 {
     public class SetAddressViewModel
     {
-            [Required]
+            [YaRequired]
             public string Street1 { get; set; }
             public string Street2 { get; set; }
             public string City { get; set; }
             public string State { get; set; }
             public string Country { get; set; }
-            [Required]
+            [YaRequired]
             public string PostalCode { get; set; }
     }
 }

src/Yavsc.Server/ViewModels/Manage/SetPasswordViewModel.cs

@@ -1,11 +1,12 @@
 using System.ComponentModel.DataAnnotations;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.ViewModels.Manage
 {
     public class SetPasswordViewModel
     {
-        [Required]
+        [YaRequired]
-        [StringLength(100, ErrorMessage = "The {0} must be at least {2} characters long.", MinimumLength = 6)]
+        [YaStringLength(100, ErrorMessage = "The {0} must be at least {2} characters long.", MinimumLength = 6)]
         [DataType(DataType.Password)]
         [Display(Name = "New password")]
         public string NewPassword { get; set; }

src/Yavsc.Server/ViewModels/Manage/VerifyPhoneNumberViewModel.cs

@@ -1,13 +1,14 @@
 using System.ComponentModel.DataAnnotations;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.ViewModels.Manage
 {
     public class VerifyPhoneNumberViewModel
     {
-        [Required]
+        [YaRequired]
         public string Code { get; set; }
 
-        [Required]
+        [YaRequired]
         [Phone]
         [Display(Name = "Phone number")]
         public string PhoneNumber { get; set; }

src/Yavsc/ApiControllers/Blogspot/FileSystemApiController.cs

@@ -13,10 +13,7 @@ namespace Yavsc.ApiControllers
     using Yavsc.Helpers;
     using Yavsc.Exceptions;
     using Yavsc.Models.FileSystem;
-
+    using System.ComponentModel.DataAnnotations;
-    public class FSQuotaException : Exception {
-
-    }
 
     [Authorize,Route("api/fs")]
     public class FileSystemApiController : Controller
@@ -55,6 +52,7 @@ namespace Yavsc.ApiControllers
         [HttpPost("{*subdir}")]
         public IActionResult Post(string subdir="")
         {
+            
             string destDir = null;
             List<FileRecievedInfo> received = new List<FileRecievedInfo>();
             InvalidPathException pathex = null;
@@ -89,7 +87,7 @@ namespace Yavsc.ApiControllers
             return Ok(received);
         }
 
-        [Route("/api/fsquota/add/{uname}/{len}")]
+        [Route("/api/fsc/addquota/{uname}/{len}")]
         [Authorize("AdministratorOnly")]
         public IActionResult AddQuota(string uname, int len)
         {
@@ -102,7 +100,7 @@ namespace Yavsc.ApiControllers
             return Ok(len);
         }
 
-        [Route("/api/movefile")]
+        [Route("/api/fsc/movefile")]
         [Authorize()]
         public IActionResult MoveFile(string from, string to)
         {
@@ -110,11 +108,14 @@ namespace Yavsc.ApiControllers
             var user = dbContext.Users.Single(
                 u => u.Id == uid
             );
-            throw new NotImplementedException();
+            var info = user.MoveUserFile(from, to);
+            if (!info.Done)
+            return new BadRequestObjectResult(info);
             return Ok();
         }
 
-        [Route("/api/movedir")]
+        [HttpPatch]
+        [Route("/api/fsc/movedir")]
         [Authorize()]
         public IActionResult MoveDir(string from, string to)
         {
@@ -122,29 +123,67 @@ namespace Yavsc.ApiControllers
             var user = dbContext.Users.Single(
                 u => u.Id == uid
             );
-            throw new NotImplementedException();
+            try {
+                var result = user.MoveUserDir(from, to);
+                if (!result.Done)
+                    return new BadRequestObjectResult(result);
+            }
+            catch (Exception ex)
+            {
+                return new BadRequestObjectResult(
+                    new FsOperationInfo {
+                        Done = false,
+                        Error = ex.Message
+                });
+            }
             return Ok();
         }
 
 
         [HttpDelete]
+        [Route("/api/fsc/rm/{*id}")]
         public async Task <IActionResult> Delete (string id)
         {
             var user = dbContext.Users.Single(
                 u => u.Id == User.GetUserId()
             );
-            InvalidPathException pathex = null;
-            string root = null;
             try {
-                root = User.InitPostToFileSystem(id);
-            } catch (InvalidPathException ex) {
-                pathex = ex;
-            }
-            if (pathex!=null)
-              return new BadRequestObjectResult(pathex);
             user.DeleteUserFile(id);
             await dbContext.SaveChangesAsync(User.GetUserId());
+            }
+            catch (Exception ex)
+            {
+                return new BadRequestObjectResult(
+                    new FsOperationInfo {
+                        Done = false,
+                        Error = ex.Message
+                });
+            }
+            return Ok(new { deleted=id });
+        }
+
+        [HttpDelete]
+        [Route("/api/fsc/rmdir/{*id}")]
+        public IActionResult RemoveDir (string id)
+        {
+            var user = dbContext.Users.Single(
+                u => u.Id == User.GetUserId()
+            );
+            try {
+                var result = user.DeleteUserDir(id);
+                if (!result.Done)
+                    return new BadRequestObjectResult(result);
+            }
+            catch (Exception ex)
+            {
+                return new BadRequestObjectResult(
+                    new FsOperationInfo {
+                        Done = false,
+                        Error = ex.Message
+                });
+            }
             return Ok(new { deleted=id });
         }
     }
+
 }

src/Yavsc/ApiControllers/Blogspot/TestApiController.cs

@@ -0,0 +1,15 @@
+using Microsoft.AspNet.Authorization;
+using Microsoft.AspNet.Mvc;
+
+namespace Yavsc.ApiControllers
+{
+    using System.ComponentModel.DataAnnotations;
+    using Yavsc.Attributes.Validation;
+
+    [Authorize,Route("~/api/test")]
+    public class TestApiController : Controller
+    {
+        
+    }
+
+}

src/Yavsc/Helpers/FileSystemHelpers.cs

@@ -7,6 +7,7 @@ using System.IO;
 using System.Security.Claims;
 using System.Threading;
 using System.Web;
+using Microsoft.AspNet.FileProviders;
 using Microsoft.AspNet.Http;
 using Yavsc.Exceptions;
 using Yavsc.Models;
@@ -103,6 +104,58 @@ namespace Yavsc.Helpers
             user.DiskUsage -= fi.Length;
         }
         
+        public static FsOperationInfo DeleteUserDir(this ApplicationUser user, string dirName)
+        {
+            var root = Path.Combine(AbstractFileSystemHelpers.UserFilesDirName, user.UserName);
+            if (string.IsNullOrEmpty(dirName)) 
+                return new FsOperationInfo { Done = false, Error = "specify a dir name"} ;
+
+            var di = new DirectoryInfo(Path.Combine(root, dirName));
+            if (!di.Exists) return new FsOperationInfo { Done = false, Error = "non existent"} ;
+            if (di.GetDirectories().Length>0 || di.GetFiles().Length>0) 
+                return new FsOperationInfo { Done = false, Error = "not eñpty"} ;
+            di.Delete();
+            return new FsOperationInfo { Done = true };
+        }
+        
+        public static FsOperationInfo MoveUserDir(this ApplicationUser user, string fromDirName, string toDirName)
+        {
+            var root = Path.Combine(AbstractFileSystemHelpers.UserFilesDirName, user.UserName);
+            if (string.IsNullOrEmpty(fromDirName)) 
+                return new FsOperationInfo { Done = false, Error = "fromDirName: specify a dir name "} ;
+
+            var di = new DirectoryInfo(Path.Combine(root, fromDirName));
+            if (!di.Exists) return new FsOperationInfo { Done = false, Error = "fromDirName: non existent"} ;
+            
+
+            if (string.IsNullOrEmpty(toDirName)) 
+                return new FsOperationInfo { Done = false, Error = "toDirName: specify a dir name to move"} ;
+
+            var destPath = Path.Combine(root, toDirName);
+
+            var fo = new FileInfo(destPath);
+            var dout = new DirectoryInfo(destPath);
+
+            if (fo.Exists) return new FsOperationInfo { Done = false, Error = "toDirName: yet a regular file" } ;
+
+
+            if (dout.Exists) {
+                destPath = Path.Combine(destPath, fo.Name);
+            }
+            di.MoveTo(destPath); 
+            return new FsOperationInfo { Done = true };
+        }
+        public static FsOperationInfo MoveUserFile(this ApplicationUser user, string fileNameFrom, string fileNameDest)
+        {
+            var root = Path.Combine(AbstractFileSystemHelpers.UserFilesDirName, user.UserName);
+            var fi = new FileInfo(Path.Combine(root, fileNameFrom));
+            if (!fi.Exists) return new FsOperationInfo { Error = "no file to move" } ;
+            var fo = new FileInfo(Path.Combine(root, fileNameDest));
+            if (fo.Exists) return new FsOperationInfo { Error = "destination file name is an existing file" } ;
+            fi.MoveTo(fo.FullName);
+            return new FsOperationInfo { Done = true };
+        }
+
         static string ParseFileNameFromDisposition(string disposition)
         {
             // form-data_ name=_file__ filename=_Constants.Private.cs_
@@ -167,6 +220,15 @@ namespace Yavsc.Helpers
             return new HtmlString( 
                 $"{Startup.UserFilesOptions.RequestPath}/{username}/{subpath}/{info.Name}" );
         }
+
+        public static RemoteFileInfo FileInfo(this ApplicationUser user, string path)
+        {
+            IFileInfo info = Startup.UserFilesOptions.FileProvider.GetFileInfo($"{user.UserName}/{path}");
+            if (!info.Exists) return null;
+            return new RemoteFileInfo{ Name = info.Name, Size = info.Length, LastModified = info.LastModified.UtcDateTime };
+
+        }
+
         public static FileRecievedInfo ReceiveAvatar(this ApplicationUser user, IFormFile formFile)
         {
             var item = new FileRecievedInfo();

src/Yavsc/ViewModels/Administration/EnrolerViewModel.cs

@@ -1,16 +1,17 @@
 using System.ComponentModel.DataAnnotations;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.ViewModels
 {
     public partial class EnrolerViewModel {
 
         [Display(Name="EnroledLabel", ResourceType=typeof(EnrolerViewModel))]
-        [Required]
+        [YaRequired]
         public string EnroledUserId { get; set; }
 
 
         [Display(Name="RoleNameLabel", ResourceType=typeof(EnrolerViewModel))]
-        [Required]
+        [YaRequired]
         public string RoleName { get; set; }
     }
 }

src/Yavsc/ViewModels/Administration/FireViewModel.cs

@@ -1,4 +1,5 @@
 using System.ComponentModel.DataAnnotations;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.ViewModels
 {
@@ -7,12 +8,12 @@ namespace Yavsc.ViewModels
         [Display(Name="EnroledLabel", ResourceType=typeof(EnrolerViewModel))]
         public string EnroledUserName { get; set; }
 
-        [Required]
+        [YaRequired]
         public string EnroledUserId { get; set; }
 
 
         [Display(Name="RoleNameLabel", ResourceType=typeof(EnrolerViewModel))]
-        [Required]
+        [YaRequired]
         public string RoleName { get; set; }
     }
 }

src/Yavsc/ViewModels/Gen/PdfGenerationViewModel.cs

@@ -1,16 +1,17 @@
 using System.ComponentModel.DataAnnotations;
 using Microsoft.AspNet.Mvc.Rendering;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.ViewModels.Gen
 {
     public class PdfGenerationViewModel
     {
         
-        [Required]
+        [YaRequired]
         public string TeXSource { get; set; }
-        [Required]
+        [YaRequired]
         public string BaseFileName { get; set; }
-        [Required]
+        [YaRequired]
         public string DestDir { get; set; }
         public bool Generated { get; set; }
         public HtmlString GenerationErrorMessage { get; set; }

src/Yavsc/ViewModels/Manage/ChangeUserNameViewModel.cs

@@ -1,11 +1,12 @@
 
 using System.ComponentModel.DataAnnotations;
+using Yavsc.Attributes.Validation;
 
 namespace Yavsc.ViewModels.Manage
 {
     public class ChangeUserNameViewModel
     {
-        [Required]
+        [YaRequired]
         [Display(Name = "New user name"),RegularExpression(Constants.UserNameRegExp)]
         public string NewUserName { get; set; }
 

src/Yavsc/ViewModels/Manage/SetFullNameViewModel.cs

@@ -6,7 +6,7 @@ namespace Yavsc.ViewModels.Manage
 {
     public class SetFullNameViewModel
     {
-        [Required]
+        [YaRequired]
         [Display(Name = "Your full name"), YaStringLength(512)]
         public string FullName { get; set; }
     }

src/cli/Commands/GenerateJsonSchema.cs

@@ -3,6 +3,7 @@ using System.Threading.Tasks;
 using NJsonSchema;
 using System.IO;
 using cli.Model;
+using Yavsc.Abstract.IT;
 
 namespace cli
 {