public UserSettings GetUserSettings(Guid userId)
{
var found = _cache.TryGetValue($"{userId}:settings", out UserSettings userSettings);
if (!found)
{
var query = DatabaseQueryMaker.CreateSelectUserSettings(userId);
userSettings = DatabaseQueryExecutor.Query <UserSettings>(_connectionString, query);
if (userSettings == null)
{
throw new Exception("user not found");
}
_cache.Set($"{userId}:settings",
userSettings,
new MemoryCacheEntryOptions()
.SetSlidingExpiration(TimeSpan.FromHours(1)));
return(userSettings);
}
else
{
return(userSettings);
}
}
public void SaveUserSettings(UserSettings userSettings)
{
// Last minute feature/hack.
// Sounds familiar ?
var alias = userSettings.Alias;
if (alias.Length < 5 || !Regex.IsMatch(alias, "^[a-zA-Z][a-zA-Z0-9]*$"))
{
alias = AliasGenerator.New();
}
var userId = userSettings.UserId;
var selectQuery = DatabaseQueryMaker.CreateSelectUserSettings(userId);
var selectedUserSettings = DatabaseQueryExecutor.Query <UserSettings>(_connectionString, selectQuery);
if (selectedUserSettings != null)
{
var updateCommand = DatabaseQueryMaker.CreateUpdateUserSettings(userId,
alias,
selectedUserSettings.SendNewsletter);
DatabaseQueryExecutor.Update <UserSettings>(_connectionString, updateCommand);
}
else
{
var insertCommand = DatabaseQueryMaker.CreateInsertUserSettings(userId,
alias,
userSettings.SendNewsletter);
DatabaseQueryExecutor.Insert <UserSettings>(_connectionString, insertCommand);
}
}
public virtual void Update(UserSettings item)
{
var updateCommand = DatabaseQueryMaker.CreateUpdateUserSettings(item.UserId,
item.Alias,
item.SendNewsletter);
DatabaseQueryExecutor.Update <UserSettings>(_connectionString, updateCommand);
}
public virtual void Add(UserSettings item)
{
var insertCommand = DatabaseQueryMaker.CreateInsertUserSettings(item.UserId,
item.Alias,
item.SendNewsletter);
DatabaseQueryExecutor.Insert <UserSettings>(_connectionString, insertCommand);
}
public UserSettings Get(Guid id)
{
var query = DatabaseQueryMaker.CreateSelectUserSettings(id);
return(DatabaseQueryExecutor.Query <UserSettings>(_connectionString, query));
}