/// <summary>
/// Set the default values when creating a new educational asset.
/// </summary>
/// <param name="user"></param>
public void SetDefaults(ref WebUser user)
{
user.Created = DateTime.Now;
user.Guid = new Guid();
user.IsActive = true;
user.IsLockedOut = false;
}
public static void Log(WebUser user, ActivityEventItem activityEvent, string value)
{
// todo: validate inputs
var activity = new Activity()
{
EventId = (int)activityEvent,
Value = value
};
if (user != null)
{
activity.UserGuid = user.Guid;
}
Log(activity);
}
// for now, I am just going to write to the db activities table
// in the future, I may want to have this optional route to different exception handling locations
// such as the event viewer, db, txt file, email, or some combination.
public static void Log(Exception ex)
{
// Prepare message
var sb = new StringBuilder();
sb.Append(ex.Message);
if (ex.InnerException != null)
{
sb.Append(" - " + ex.InnerException);
}
// See if user is available through cookie
WebUser user = new WebUser();
var context = HttpContext.Current;
if (context != null && context.Request != null && context.Request.Cookies["uid"] != null)
{
user.Guid = new Guid(context.Request.Cookies["uid"].Value);
}
// Log entry to db
AuditUtilities.Log(user, Models.ActivityEventItem.Error, sb.ToString());
}
public bool Save(ref WebUser obj)
{
bool result = false;
if (obj != null)
{
if (obj.Guid != null)
{
// Add to collection
context.WebUsers.Add(obj);
}
else
{
// Attach to collection
context.WebUsers.Attach(obj);
context.Entry(obj).State = System.Data.EntityState.Modified;
}
// Commit changes
result = context.SaveChanges() > 0;
}
return result;
}
/// <summary>
/// Compare two instances of a web user and specify their differences.
/// </summary>
/// <param name="obj"></param>
/// <param name="changedProperties"></param>
private void CheckChangedProperties(WebUser original, WebUser updated, ref StringBuilder changedProperties)
{
if (original.City != updated.City)
{
changedProperties.AppendFormat("Original city: {0}, updated city: {1}\n", original.City, updated.City);
}
if (original.Country != updated.Country)
{
changedProperties.AppendFormat("Original country: {0}, updated country: {1}\n", original.Country, updated.Country);
}
if (original.Email != updated.Email)
{
changedProperties.AppendFormat("Original email: {0}, updated email: {1}\n", original.Email, updated.Email);
}
if (original.FirstName != updated.FirstName)
{
changedProperties.AppendFormat("Original first name: {0}, updated first name: {1}\n", original.FirstName, updated.FirstName);
}
if (original.IsActive != updated.IsActive)
{
changedProperties.AppendFormat("Original active: {0}, updated active: {1}\n", original.IsActive, updated.IsActive);
}
if (original.IsLockedOut != updated.IsLockedOut)
{
changedProperties.AppendFormat("Original locked out: {0}, updated locked out: {1}\n", original.IsLockedOut, updated.IsLockedOut);
}
if (original.LastName != updated.LastName)
{
changedProperties.AppendFormat("Original last name: {0}, updated last name: {1}\n", original.LastName, updated.LastName);
}
if (original.Phone != updated.Phone)
{
changedProperties.AppendFormat("Original phone: {0}, updated phone: {1}\n", original.Phone, updated.Phone);
}
if (original.PictureUri != updated.PictureUri)
{
changedProperties.AppendFormat("Original picture: {0}, updated picture: {1}\n", original.PictureUri, updated.PictureUri);
}
if (original.PostalCode != updated.PostalCode)
{
changedProperties.AppendFormat("Original postal code: {0}, updated postal code: {1}\n", original.PostalCode, updated.PostalCode);
}
if (original.Province != updated.Province)
{
changedProperties.AppendFormat("Original province: {0}, updated province: {1}\n", original.Province, updated.Province);
}
if (original.State != updated.State)
{
changedProperties.AppendFormat("Original state: {0}, updated state: {1}\n", original.State, updated.State);
}
if (original.Street1 != updated.Street1)
{
changedProperties.AppendFormat("Original street 1: {0}, updated street 1: {1}\n", original.Street1, updated.Street1);
}
if (original.Street2 != updated.Street2)
{
changedProperties.AppendFormat("Original street 2: {0}, updated street 2: {1}\n", original.Street2, updated.Street2);
}
if (original.Title != updated.Title)
{
changedProperties.AppendFormat("Original title: {0}, updated title: {1}\n", original.Title, updated.Title);
}
if (original.Username != updated.Username)
{
changedProperties.AppendFormat("Original username: {0}, updated username: {1}\n", original.Username, updated.Username);
}
}
/// <summary>
/// Compare two instances of a web user to see if the password has been changed.
/// </summary>
/// <param name="original"></param>
/// <param name="updated"></param>
/// <returns></returns>
private bool CheckChangedPassword(WebUser original, WebUser updated)
{
return updated.HashedPassword.Equals(original.HashedPassword);
}
public Payload<WebUser> Save(WebUser obj)
{
// create payload
var payload = new Payload<WebUser>();
// todo: check security
// Prep obj
bool isNewUser = (obj.Guid == null || obj.Guid == Guid.Empty);
business.SetDefaults(ref obj);
// hash password
var securityUtility = new SecurityUtilities();
obj.HashedPassword = securityUtility.HashSomething(obj.Password);
// validate
var rules = new ValidationRules();
rules.Validate(obj);
// assign errors from validation (if applicable)
payload.AssignValidationErrors(rules.Errors);
// check if valid
if (rules.IsValid)
{
// if existing user, check the properties that have changed prior to update
var changedProperties = new StringBuilder();
bool isChangedPassword = false;
if (!isNewUser)
{
var originalUser = Get(obj.Guid).Data;
CheckChangedProperties(originalUser, obj, ref changedProperties);
isChangedPassword = CheckChangedPassword(originalUser, obj);
}
// save to db
using (var queries = new WebUserQueries())
{
queries.Save(ref obj);
}
// assign primary data
payload.Data = obj;
// log activity
if (isNewUser)
{
// new user
AuditUtilities.Log(obj, ActivityEventItem.Enroll,
string.Format(Resources.AuditEntries.Enroll, obj.Username));
}
else
{
// updated user
AuditUtilities.Log(obj, ActivityEventItem.ProfileUpdated,
string.Format(Resources.AuditEntries.ProfileUpdated, obj.Username, changedProperties));
// update if password was changed
if (isChangedPassword)
{
AuditUtilities.Log(obj, ActivityEventItem.PasswordChanged,
string.Format(Resources.AuditEntries.PasswordChanged, obj.Username));
}
}
}
// todo: next steps in workflow
// return payload
return payload;
}
public Payload<bool> Logout(WebUser obj)
{
// create payload
var payload = new Payload<bool>();
// todo: add more content around this to toggle logouts from db
payload.Data = true;
// based on a successful logout, log activity
AuditUtilities.Log(obj, ActivityEventItem.Logout,
string.Format(Resources.AuditEntries.Logout, obj.Username));
// return payload
return payload;
}
/// <summary>
/// Webuser validation
/// </summary>
/// <param name="obj"></param>
public void Validate(WebUser obj)
{
if (obj == null)
{
this.Errors.Add("00004", Resources.Errors.ERR00004);
return;
}
// TODO: add the rest of the validation logic here for webuser (user)
}
