/// <summary>
/// Get the ColumnSchema
/// </summary>
/// <param name="datatype"></param>
/// <returns></returns>
public SafeValueType <string, ColumnSchema> GetColumnSchema(Type datatype)
{
try
{
var key = datatype.FullName + _transaction.DataBaseTypes.ToString();
if (CachedColumnSchema.ContainsKey(key))
{
return(CachedColumnSchema[key]);
}
datatype = datatype.GetActualType();
var tableName = datatype.TableName();
var sql = $"SELECT COLUMN_NAME as columnname, data_type as datatype ,TABLE_CATALOG as db,TABLE_NAME as tb , IS_NULLABLE as isnullable FROM INFORMATION_SCHEMA.COLUMNS WHERE LOWER(TABLE_NAME) = LOWER(String[{tableName.Name}])";
if (_transaction.DataBaseTypes == DataBaseTypes.Sqllight)
{
sql = $"SELECT name as columnname, type as datatype FROM pragma_table_info(String[{tableName.Name}])";
}
var columns = (List <ColumnSchema>)_transaction.DataReaderConverter(_transaction.GetSqlCommand(sql), typeof(ColumnSchema));
var dic = new SafeValueType <string, ColumnSchema>();
if (columns != null)
{
columns.ForEach(x => dic.Add(x.ColumnName, x));
}
_transaction.CounterException = 0;
return(CachedColumnSchema.GetOrAdd(key, dic));
}
catch (Exception e)
{
if (_transaction.DataBaseTypes == DataBaseTypes.PostgreSql && _transaction.CounterException <= 3)
{
_transaction.CounterException++;
_transaction.Renew();
return(GetColumnSchema(datatype));
}
else
{
throw new EntityException(e.Message);
}
}
}
internal static ISqlCommand ProcessSql(this IRepository repository, TransactionSqlConnection connection, IDbTransaction tran, string sql)
{
var i = 1;
var dicCols = new SafeValueType <string, Tuple <object, SqlDbType> >();
MatchCollection matches = null;
while ((matches = stringExp.Matches(sql)).Count > 0)
{
var exp = matches[0];
var col = "@CO" + i + "L";
object str = exp.Value.TrimEnd(']').Substring(@"String\[".Length - 1);
sql = sql.Remove(exp.Index, exp.Value.Length);
sql = sql.Insert(exp.Index, col);
var v = str.ConvertValue <string>();
if (string.Equals(v, "null", StringComparison.OrdinalIgnoreCase))
{
v = null;
}
dicCols.TryAdd(col, new Tuple <object, SqlDbType>(v, SqlDbType.NVarChar));
i++;
}
while ((matches = dateExp.Matches(sql)).Count > 0)
{
var exp = matches[0];
var col = "@CO" + i + "L";
object str = exp.Value.TrimEnd(']').Substring(@"Date\[".Length - 1);
sql = sql.Remove(exp.Index, exp.Value.Length);
sql = sql.Insert(exp.Index, col);
dicCols.TryAdd(col, new Tuple <object, SqlDbType>(str.ConvertValue <DateTime?>(), SqlDbType.DateTime));
i++;
}
while ((matches = guidExp.Matches(sql)).Count > 0)
{
var exp = matches[0];
var col = "@CO" + i + "L";
object str = exp.Value.TrimEnd(']').Substring(@"Guid\[".Length - 1);
sql = sql.Remove(exp.Index, exp.Value.Length);
sql = sql.Insert(exp.Index, col);
dicCols.TryAdd(col, new Tuple <object, SqlDbType>(str.ConvertValue <Guid?>(), SqlDbType.UniqueIdentifier));
i++;
}
sql = sql.CleanValidSqlName(repository.DataBaseTypes);
DbCommand cmd = null;
try
{
switch (repository.DataBaseTypes)
{
case DataBaseTypes.Mssql:
cmd = tran != null ?
"System.Data.SqlClient.SqlCommand".GetObjectType("System.Data.SqlClient").CreateInstance(new object[] { sql, connection.DBConnection, tran }) as DbCommand :
"System.Data.SqlClient.SqlCommand".GetObjectType("System.Data.SqlClient").CreateInstance(new object[] { sql, connection.DBConnection }) as DbCommand;
break;
case DataBaseTypes.PostgreSql:
cmd = tran != null ?
"Npgsql.NpgsqlCommand".GetObjectType("Npgsql").CreateInstance(new object[] { sql, connection.DBConnection, tran }) as DbCommand :
"Npgsql.NpgsqlCommand".GetObjectType("Npgsql").CreateInstance(new object[] { sql, connection.DBConnection }) as DbCommand;
break;
case DataBaseTypes.Sqllight:
cmd = tran != null ?
"System.Data.SQLite.SQLiteCommand".GetObjectType("System.Data.SQLite").CreateInstance(new object[] { sql, connection.DBConnection, tran }) as DbCommand :
"System.Data.SQLite.SQLiteCommand".GetObjectType("System.Data.SQLite").CreateInstance(new object[] { sql, connection.DBConnection }) as DbCommand;
break;
}
}
catch (Exception e)
{
switch (repository.DataBaseTypes)
{
case DataBaseTypes.Mssql:
throw new EntityException($"Please make sure that nuget 'System.Data.SqlClient' is installed \n orginal exception: \n {e.Message}");
case DataBaseTypes.PostgreSql:
throw new EntityException($"Please make sure that nuget 'Npgsql' is installed \n orginal exception: \n {e.Message}");
case DataBaseTypes.Sqllight:
throw new EntityException($"Please make sure that nuget 'System.Data.SQLite' is installed \n orginal exception: \n {e.Message}");
}
}
var dbCommandExtended = new DbCommandExtended(cmd, repository);
foreach (var dic in dicCols)
{
dbCommandExtended.AddInnerParameter(dic.Key, dic.Value.Item1);
}
return(dbCommandExtended);
}
internal static IList DataReaderConverter(Transaction.Transaction repository, IDataReader reader, ISqlCommand command, Type type)
{
var tType = type.GetActualType();
var attachable = tType.GetPrimaryKey() != null;
var baseListType = typeof(List <>);
var listType = baseListType.MakeGenericType(tType);
var iList = DeepCloner.CreateInstance(listType) as IList;
var props = DeepCloner.GetFastDeepClonerProperties(tType);
try
{
var colNames = new SafeValueType <int, string>();
var pp = new SafeValueType <int, IFastDeepClonerProperty>();
while (reader.Read())
{
object item = null;
object clItem = null;
item = DeepCloner.CreateInstance(tType);
clItem = attachable ? DeepCloner.CreateInstance(tType) : null;
var col = 0;
while (col < reader.FieldCount)
{
string columnName;
if (colNames.ContainsKey(col))
{
columnName = colNames[col];
}
else
{
columnName = reader.GetName(col);
colNames.TryAdd(col, columnName);
}
var value = reader[columnName];
IFastDeepClonerProperty prop;
if (!pp.ContainsKey(col))
{
prop = DeepCloner.GetProperty(tType, columnName);
if (prop == null)
{
prop = props.FirstOrDefault(x => string.Equals(x.GetPropertyName(), columnName, StringComparison.CurrentCultureIgnoreCase) || x.GetPropertyName().ToLower() == columnName);
}
pp.TryAdd(col, prop);
}
else
{
prop = pp[col];
}
if (prop != null && value != DBNull.Value && value != null && prop.CanRead)
{
if (value as byte[] != null && prop.PropertyType.FullName.Contains("Guid"))
{
value = new Guid(value as byte[]);
}
var dataEncode = prop.GetCustomAttribute <DataEncode>();
if (prop.ContainAttribute <ToBase64String>())
{
if (value.ConvertValue <string>().IsBase64String())
{
value = MethodHelper.DecodeStringFromBase64(value.ConvertValue <string>());
}
else
{
value = MethodHelper.ConvertValue(value, prop.PropertyType);
}
}
else if (dataEncode != null)
{
value = new DataCipher(dataEncode.Key, dataEncode.KeySize).Decrypt(value.ConvertValue <string>());
}
else if (prop.ContainAttribute <JsonDocument>())
{
value = value?.ToString().FromJson(prop.PropertyType);
}
else if (prop.ContainAttribute <XmlDocument>())
{
value = value?.ToString().FromXml();
}
else
{
value = MethodHelper.ConvertValue(value, prop.PropertyType);
}
prop.SetValue(item, value);
if (attachable)
{
prop.SetValue(clItem, value);
}
}
col++;
}
if (clItem != null && !(repository?.IsAttached(clItem) ?? true))
{
repository?.AttachNew(clItem);
}
iList.Add(item);
}
}
catch (Exception e)
{
throw new EntityException(e.Message);
}
finally
{
reader.Close();
reader.Dispose();
if (repository.OpenedDataReaders.ContainsKey(reader))
{
repository.OpenedDataReaders.Remove(reader);
}
}
return(iList);
}
public InternalDictionary(Dictionary <T, P> dic = null)
{
keyValuePairs = new SafeValueType <T, P>(dic);
}