public ActionResult IgnoreRedirect(string oldUrl, int pageNumber, string searchWord, int pageSize)
{
CheckAccess();
// delete rows from DB
var dbAccess = DataAccessBaseEx.GetWorker();
dbAccess.DeleteRowsForRequest(oldUrl);
// add redirect to dds with state "ignored"
var redirect = new CustomRedirect();
redirect.OldUrl = oldUrl;
redirect.State = Convert.ToInt32(DataStoreHandler.State.Ignored);
DataStoreHandler dsHandler = new DataStoreHandler();
dsHandler.SaveCustomRedirect(redirect);
DataStoreEventHandlerHook.DataStoreUpdated();
List <CustomRedirect> customRedirectList = GetSuggestions(searchWord);
string actionInfo = string.Format(LocalizationService.Current.GetString("/gadget/redirects/ignoreredirect"), oldUrl);
RedirectIndexViewData viewData = GetRedirectIndexViewData(pageNumber, customRedirectList, actionInfo, searchWord, pageSize, true, true);
viewData.HighestSuggestionValue = customRedirectList.First().NotfoundErrorCount;
viewData.LowestSuggestionValue = customRedirectList.Last().NotfoundErrorCount;
return(View("Index", viewData));
}
private static void UpdateVersionNumber(DataAccessBaseEx dba)
{
var versionSp =
$@"ALTER PROCEDURE [dbo].[bvn_notfoundversion] AS RETURN {Configuration.Configuration.CurrentVersion}";
Valid = dba.ExecuteNonQuery(versionSp);
}
public ActionResult IgnoreRedirect(string oldUrl, int pageNumber, string searchWord, int pageSize)
{
CheckAccess();
// delete rows from DB
var dbAccess = DataAccessBaseEx.GetWorker();
dbAccess.DeleteRowsForRequest(oldUrl);
// add redirect to dds with state "ignored"
var redirect = new CustomRedirect
{
OldUrl = oldUrl,
NewUrl = string.Empty,
State = Convert.ToInt32(RedirectState.Ignored)
};
_redirectsService.AddOrUpdate(redirect);
CustomRedirectHandler.ClearCache();
List <CustomRedirect> customRedirectList = GetSuggestions(searchWord);
string actionInfo = string.Format(LocalizationService.Current.GetString("/gadget/redirects/ignoreredirect"), oldUrl);
RedirectIndexViewData viewData = GetRedirectIndexViewData(pageNumber, customRedirectList, actionInfo, searchWord, pageSize, true, true);
if (customRedirectList.Count > 0)
{
viewData.HighestSuggestionValue = customRedirectList.First().NotfoundErrorCount;
viewData.LowestSuggestionValue = customRedirectList.Last().NotfoundErrorCount;
}
return(View("Index", viewData));
}
public ActionResult AddDeletedUrl(string oldUrl)
{
CheckAccess();
// add redirect to dds with state "deleted"
var redirect = new CustomRedirect();
redirect.OldUrl = oldUrl;
redirect.State = Convert.ToInt32(DataStoreHandler.State.Deleted);
DataStoreHandler dsHandler = new DataStoreHandler();
dsHandler.SaveCustomRedirect(redirect);
DataStoreEventHandlerHook.DataStoreUpdated();
// delete rows from DB
var dbAccess = DataAccessBaseEx.GetWorker();
dbAccess.DeleteRowsForRequest(oldUrl);
//
List <CustomRedirect> customRedirectList = GetDeletedUrls();
DataStoreEventHandlerHook.DataStoreUpdated();
return(Deleted());
}
public ActionResult SaveSuggestion(string oldUrl, string newUrl, string skipWildCardAppend, int?pageNumber, int?pageSize, int siteId = 0)
{
CheckAccess();
if (siteId <= 0)
{
siteId = DataHandler.GetCurrentSiteId();
}
SaveRedirect(oldUrl, newUrl, skipWildCardAppend, siteId);
// delete rows from DB
var dbAccess = DataAccessBaseEx.GetWorker();
dbAccess.DeleteRowsForRequest(oldUrl, siteId);
//
List <CustomRedirect> customRedirectList = GetSuggestions(null, siteId);
string actionInfo = string.Format(LocalizationService.Current.GetString("/gadget/redirects/saveredirect"), oldUrl, newUrl);
DataStoreEventHandlerHook.DataStoreUpdated();
var viewData = GetRedirectIndexViewData(pageNumber, customRedirectList, actionInfo, null, pageSize, true, siteId);
viewData.HighestSuggestionValue = customRedirectList.First().NotfoundErrorCount;
viewData.LowestSuggestionValue = customRedirectList.Last().NotfoundErrorCount;
return(View("Index", viewData));
}
public ActionResult AddDeletedUrl(string oldUrl, int siteId = 0)
{
CheckAccess();
if (siteId <= 0)
{
siteId = DataHandler.GetCurrentSiteId();
}
// add redirect to dds with state "deleted"
var redirect = new CustomRedirect
{
OldUrl = oldUrl,
SiteId = siteId,
State = Convert.ToInt32(DataStoreHandler.State.Deleted)
};
DataStoreHandler dsHandler = new DataStoreHandler();
dsHandler.SaveCustomRedirect(redirect);
DataStoreEventHandlerHook.DataStoreUpdated();
// delete rows from DB
var dbAccess = DataAccessBaseEx.GetWorker();
dbAccess.DeleteRowsForRequest(oldUrl, siteId);
//TODO why this?
List <CustomRedirect> customRedirectList = GetDeletedUrls(siteId);
DataStoreEventHandlerHook.DataStoreUpdated();
return(Deleted(siteId));
}
public ActionResult DeleteSuggestions(int maxErrors, int minimumDays)
{
CheckAccess();
DataAccessBaseEx.GetWorker().DeleteSuggestions(maxErrors, minimumDays);
ViewData["information"] = LocalizationService.Current.GetString("/gadget/redirects/suggestionsdeleted");
return(View("Administer"));
}
public ActionResult AddDeletedUrl(string oldUrl)
{
CheckAccess();
// add redirect to dds with state "deleted"
var redirect = new CustomRedirect
{
OldUrl = oldUrl,
NewUrl = string.Empty,
State = Convert.ToInt32(RedirectState.Deleted)
};
_redirectsService.AddOrUpdate(redirect);
CustomRedirectHandler.ClearCache();
// delete rows from DB
var dbAccess = DataAccessBaseEx.GetWorker();
dbAccess.DeleteRowsForRequest(oldUrl);
//
List <CustomRedirect> customRedirectList = GetDeletedUrls();
CustomRedirectHandler.ClearCache();
return(Deleted());
}
private static void Upgrade()
{
var dba = DataAccessBaseEx.GetWorker();
string indexCheck =
"SELECT COUNT(*) FROM sys.indexes WHERE name='NotFoundRequests_ID' AND object_id = OBJECT_ID('[dbo].[BVN.NotFoundRequests]')";
int num = dba.ExecuteScalar(indexCheck);
if (num == 0)
{
if (!dba.ExecuteNonQuery("CREATE CLUSTERED INDEX NotFoundRequests_ID ON [dbo].[BVN.NotFoundRequests] (ID)"))
{
Valid = false;
_log.Error("An error occurred during the creation of the 404 handler redirects clustered index. Canceling.");
}
_log.Information("Create Clustered index END");
}
if (Valid)
{
string versionSP = @"ALTER PROCEDURE [dbo].[bvn_notfoundversion] AS RETURN " + Configuration.Configuration.CURRENT_VERSION;
Valid = dba.ExecuteNonQuery(versionSP);
// TODO: Alter table if necessary
}
}
private void LogRequests(ConcurrentQueue <LogEvent> logEvents)
{
Logger.Debug("Logging 404 errors to database");
var bufferSize = Configuration.Configuration.Instance.BufferSize;
var threshold = Configuration.Configuration.Instance.ThreshHold;
var start = logEvents.First().Requested;
var end = logEvents.Last().Requested;
var diff = (end - start).Seconds;
if ((diff != 0 && bufferSize / diff <= threshold) ||
bufferSize == 0)
{
var dba = DataAccessBaseEx.GetWorker();
while (logEvents.Count > 0)
{
if (logEvents.TryDequeue(out var logEvent))
{
dba.LogRequestToDb(logEvent.OldUrl, logEvent.Referer, logEvent.Requested);
}
}
Logger.Debug($"{bufferSize} 404 request(s) has been stored to the database.");
}
else
{
Logger.Warning("404 requests have been made too frequents (exceeded the threshold). Requests not logged to database.");
}
}
private static bool ColumnExists(string tableName, string columnName, DataAccessBaseEx dba)
{
var cmd = $@"SELECT 1
FROM sys.columns
WHERE Name = '{columnName}'
AND Object_ID = Object_ID(N'dbo.[{tableName}]')";
var num = dba.ExecuteScalar(cmd);
return(num != 0);
}
private static bool TableExists(string tableName, DataAccessBaseEx dba)
{
var cmd = $@"SELECT *
FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_SCHEMA = 'dbo'
AND TABLE_NAME = '{tableName}'";
var num = dba.ExecuteScalar(cmd);
return(num != 0);
}
private static bool SuggestionsTableIndexExists(DataAccessBaseEx dba)
{
var indexCheck =
$@"SELECT COUNT(*)
FROM sys.indexes
WHERE name='NotFoundRequests_ID' AND object_id = OBJECT_ID('[dbo].[BVN.NotFoundRequests]')";
var num = dba.ExecuteScalar(indexCheck);
return(num != 0);
}
public ActionResult DeleteAllSuggestions(int siteId = 0)
{
CheckAccess();
if (siteId <= 0)
{
siteId = DataHandler.GetCurrentSiteId();
}
DataAccessBaseEx.GetWorker().DeleteAllSuggestions(siteId);
ViewData["information"] = LocalizationService.Current.GetString("/gadget/redirects/suggestionsdeleted");
return(View("Administer"));
}
private static bool AddRedirectTypeColumnToRedirectsTable(DataAccessBaseEx dba)
{
Logger.Information("Alter 404 handler redirects table to add RedirectType column START");
var alterTableScript = @"ALTER TABLE [dbo].[404Handler.Redirects]
ADD [RedirectType] int NOT NULL
DEFAULT (301)
WITH VALUES";
var created = dba.ExecuteNonQuery(alterTableScript);
Logger.Information("Alter 404 handler redirects table to add RedirectType column END");
return(created);
}
private static bool CreateSuggestionsTableIndex(DataAccessBaseEx dba)
{
Log.Information("Create suggestions table clustered index START");
var clusteredIndex =
"CREATE CLUSTERED INDEX NotFoundRequests_ID ON [dbo].[BVN.NotFoundRequests] (ID)";
var created = dba.ExecuteNonQuery(clusteredIndex);
if (!created)
{
Log.Error("An error occurred during the creation of the 404 handler redirects clustered index. Canceling.");
}
Log.Information("Create suggestions table clustered index END");
return(created);
}
private static bool CreateVersionNumberSp(DataAccessBaseEx dba)
{
Log.Information("Create 404 handler version SP START");
var versionSp =
$@"CREATE PROCEDURE [dbo].[bvn_notfoundversion] AS RETURN {Configuration.Configuration.CurrentVersion}";
var created = dba.ExecuteNonQuery(versionSp);
if (!created)
{
Log.Error("An error occured during the creation of the 404 handler version stored procedure. Canceling.");
}
Log.Information("Create 404 handler version SP END");
return(created);
}
/// <summary>
/// Create redirects table and SP for version number
/// </summary>
private static void Create()
{
var dba = DataAccessBaseEx.GetWorker();
Log.Information("Create 404 handler redirects table START");
var createTableScript = @"CREATE TABLE [dbo].[BVN.NotFoundRequests](
[ID] [int] IDENTITY(1,1) NOT NULL,
[OldUrl] [nvarchar](2000) NOT NULL,
[Requested] [datetime] NULL,
[Referer] [nvarchar](2000) NULL
) ON [PRIMARY]";
var create = dba.ExecuteNonQuery(createTableScript);
Log.Information("Create 404 handler redirects table END");
if (create)
{
Log.Information("Create 404 handler version SP START");
var versionSp = @"CREATE PROCEDURE [dbo].[bvn_notfoundversion] AS RETURN " + Configuration.Configuration.CurrentVersion;
if (!dba.ExecuteNonQuery(versionSp))
{
create = false;
Log.Error("An error occured during the creation of the 404 handler version stored procedure. Canceling.");
}
Log.Information("Create 404 handler version SP END");
}
if (create)
{
Log.Information("Create Clustered index START");
var clusteredIndex =
"CREATE CLUSTERED INDEX NotFoundRequests_ID ON [dbo].[BVN.NotFoundRequests] (ID)";
if (!dba.ExecuteNonQuery(clusteredIndex))
{
create = false;
Log.Error("An error occurred during the creation of the 404 handler redirects clustered index. Canceling.");
}
Log.Information("Create Clustered index END");
}
Valid = create;
}
private static bool CreateRedirectsTable(DataAccessBaseEx dba)
{
Log.Information("Create 404 handler redirects table START");
var createTableScript = @"CREATE TABLE [dbo].[404Handler.Redirects](
[Id] [uniqueidentifier] NOT NULL,
[OldUrl] [nvarchar](2000) NOT NULL,
[NewUrl] [nvarchar](2000) NOT NULL,
[State] [int] NOT NULL,
[WildCardSkipAppend] [bit] NOT NULL,
CONSTRAINT [PK_404HandlerRedirects] PRIMARY KEY CLUSTERED ([Id] ASC) ON [PRIMARY]
) ON [PRIMARY]";
var created = dba.ExecuteNonQuery(createTableScript);
Log.Information("Create 404 handler redirects table END");
return(created);
}
/// <summary>
/// Create redirects and suggestions tables and SP for version number
/// </summary>
private static void Create()
{
var dba = DataAccessBaseEx.GetWorker();
var created = CreateRedirectsTable(dba);
if (created)
{
created = CreateSuggestionsTable(dba);
}
if (created)
{
created = CreateVersionNumberSp(dba);
}
Valid = created;
}
public void Initialize(InitializationEngine context)
{
_log.Debug("Initializing 404 handler version check");
DataAccessBaseEx dba = DataAccessBaseEx.GetWorker();
int version = dba.Check404Version();
if (version != Configuration.Configuration.CURRENT_VERSION)
{
_log.Debug("Older version found. Version nr. :" + version);
Upgrader.Start(version);
}
else
{
Upgrader.Valid = true;
}
// Load all custom redirects into memory
CustomRedirectHandler handler = CustomRedirectHandler.Current;
}
private static void Upgrade()
{
var dba = DataAccessBaseEx.GetWorker();
if (!TableExists("404Handler.Redirects", dba))
{
Valid = CreateRedirectsTable(dba);
}
if (!SuggestionsTableIndexExists(dba))
{
Valid = CreateSuggestionsTableIndex(dba);
}
if (Valid)
{
UpdateVersionNumber(dba);
}
}
// ReSharper restore UnusedAutoPropertyAccessor.Local
public void Initialize(InitializationEngine context)
{
Logger.Debug("Initializing 404 handler version check");
var dba = DataAccessBaseEx.GetWorker();
var version = dba.Check404Version();
if (version != Configuration.Configuration.CurrentVersion)
{
Logger.Debug("Older version found. Version nr. :" + version);
Upgrader.Start(version);
}
else
{
Upgrader.Valid = true;
}
// Load all custom redirects into memory
// TODO: create better load of the cache
var handler = CustomRedirectHandler.Current;
}
private static bool CreateSuggestionsTable(DataAccessBaseEx dba)
{
Log.Information("Create 404 handler suggestions table START");
var createTableScript = @"CREATE TABLE [dbo].[BVN.NotFoundRequests](
[ID] [int] IDENTITY(1,1) NOT NULL,
[OldUrl] [nvarchar](2000) NOT NULL,
[Requested] [datetime] NULL,
[Referer] [nvarchar](2000) NULL
) ON [PRIMARY]";
var created = dba.ExecuteNonQuery(createTableScript);
Log.Information("Create 404 handler suggestions table END");
if (created)
{
created = CreateSuggestionsTableIndex(dba);
}
return(created);
}
private void LogRequests(List <LogEvent> logEvents)
{
Logger.Debug("Logging 404 errors to database");
int bufferSize = Configuration.Configuration.BufferSize;
int threshold = Configuration.Configuration.ThreshHold;
var start = logEvents.First().Requested;
var end = logEvents.Last().Requested;
var diff = (end - start).Seconds;
if ((diff != 0 && bufferSize / diff <= threshold) || bufferSize == 0)
{
var dba = DataAccessBaseEx.GetWorker();
foreach (LogEvent logEvent in logEvents)
{
dba.LogRequestToDb(logEvent.OldUrl, logEvent.Referer, logEvent.Requested);
}
Logger.Debug(string.Format("{0} 404 request(s) has been stored to the database.", bufferSize));
}
else
{
Logger.Warning("404 requests have been made too frequents (exceeded the threshold). Requests not logged to database.");
}
}
public ActionResult SaveSuggestion(string oldUrl, string newUrl, string skipWildCardAppend, int?pageNumber, int?pageSize)
{
CheckAccess();
SaveRedirect(oldUrl, newUrl, skipWildCardAppend, RedirectType.Permanent);
// delete rows from DB
var dbAccess = DataAccessBaseEx.GetWorker();
dbAccess.DeleteRowsForRequest(oldUrl);
//
List <CustomRedirect> customRedirectList = GetSuggestions(null);
string actionInfo = string.Format(LocalizationService.Current.GetString("/gadget/redirects/saveredirect"), oldUrl, newUrl);
CustomRedirectHandler.ClearCache();
var viewData = GetRedirectIndexViewData(pageNumber, customRedirectList, actionInfo, null, pageSize, true, true);
if (customRedirectList.Count > 0)
{
viewData.HighestSuggestionValue = customRedirectList.First().NotfoundErrorCount;
viewData.LowestSuggestionValue = customRedirectList.Last().NotfoundErrorCount;
}
return(View("Index", viewData));
}
/// <summary>
/// Create redirects table and SP for version number
/// </summary>
private static void Create()
{
bool create = true;
var dba = DataAccessBaseEx.GetWorker();
_log.Information("Create 404 handler redirects table START");
string createTableScript = @"CREATE TABLE [dbo].[BVN.NotFoundRequests](
[ID] [int] IDENTITY(1,1) NOT NULL,
[OldUrl] [nvarchar](2000) NOT NULL,
[Requested] [datetime] NULL,
[Referer] [nvarchar](2000) NULL
) ON [PRIMARY]";
create = dba.ExecuteNonQuery(createTableScript);
_log.Information("Create 404 handler redirects table END");
if (create)
{
_log.Information("Create 404 handler version SP START");
string versionSP = @"CREATE PROCEDURE [dbo].[bvn_notfoundversion] AS RETURN " + Configuration.Configuration.CURRENT_VERSION;
if (!dba.ExecuteNonQuery(versionSP))
{
create = false;
_log.Error("An error occured during the creation of the 404 handler version stored procedure. Canceling.");
}
_log.Information("Create 404 handler version SP END");
}
if (create)
{
_log.Information("Create Clustered index START");
string clusteredIndex =
"CREATE CLUSTERED INDEX NotFoundRequests_ID ON [dbo].[BVN.NotFoundRequests] (ID)";
if (!dba.ExecuteNonQuery(clusteredIndex))
{
create = false;
_log.Error("An error occurred during the creation of the 404 handler redirects clustered index. Canceling.");
}
_log.Information("Create Clustered index END");
}
Valid = create;
// copy dds items, if there are any.
try
{
// the old redirect class is obsolete, and should only be used for this upgrade
#pragma warning disable CS0618
var oldCustomrRedirectStore = DataStoreFactory.GetStore(typeof(FileNotFound.CustomRedirects.CustomRedirect));
var oldCustomRedirects = oldCustomrRedirectStore.Items <FileNotFound.CustomRedirects.CustomRedirect>().ToList();
#pragma warning restore CS0618
if (oldCustomRedirects.Count > 0)
{
var newCustomrRedirectStore = DataStoreFactory.GetStore(typeof(CustomRedirect));
DataStoreHandler dsHandler = new DataStoreHandler();
foreach (var oldCustomRedirect in oldCustomRedirects)
{
var newRedirect = new CustomRedirect(oldCustomRedirect.OldUrl, oldCustomRedirect.NewUrl, oldCustomRedirect.WildCardSkipAppend);
dsHandler.SaveCustomRedirect(newRedirect);
}
// oldCustomrRedirectStore.DeleteAll();
}
}
catch (Exception ex)
{
_log.Error("Error during DDS upgrade: " + ex);
}
}
