public static ColumnBuilder Build(string name, string typeName)
{
Type type = null;
string tName = typeName;
bool isArray = false;
if (tName.EndsWith("[]"))
{
isArray = true;
tName = tName.TrimEnd("[]".ToCharArray());
}
type = Type.GetType(tName, false, true);
if (type == null)
{
type = Type.GetType($"System.{tName}", false, true);
}
if (type == null)
{
type = PgSqlTypeManager.GetDotNetType(tName);
}
if (type == null)
{
throw new Exception($"Can't find Type '{typeName}'");
}
if (isArray)
{
type = typeof(List <>).MakeGenericType(type);
}
var col = Build(name, type);
return(col);
}
internal static TableDefinition<T> FromTable<T>(ITable table)
{
var td = TableDefinition.FromType<T>();
try
{
var columns = new DbExecuter(table.GetConnectionString()).ExecuteReader(SQLStatements.GetColumns(table.GetConnectionString().TableName, table.GetConnectionString().SchemaName)).ToArray();
foreach (var column in columns)
{
Column dbCol = column.ToObject<Column>();
var col = td.GetColumnByDbName(dbCol.DbName) ?? td.GetColumnByClrName(dbCol.DbName);
if (col == null)
{
dbCol.DotNetType = PgSqlTypeManager.GetDotNetType(dbCol.PgType);
td.AddColumn(dbCol);
}
else
{
col.DbName = dbCol.DbName;
col.CanBeNull = dbCol.CanBeNull;
col.DefaultValue = dbCol.DefaultValue;
col.Position = dbCol.Position;
col.IsPrimaryKey = dbCol.IsPrimaryKey;
col.MustBeUnique = dbCol.MustBeUnique;
}
}
}
catch (Exception e)
{
Logger.Error(e, "GetTableSchema");
throw;
}
return td;
}
public static JToken ConvertFromDB(object data, NpgsqlDbColumn column)
{
if (data == null)
{
return(null);
}
if (data == DBNull.Value)
{
return(null);
}
var postgresType = column.DataTypeName;
if (column.DataType == typeof(Array))
{
postgresType = $"{postgresType}[]";
}
var type = PgSqlTypeManager.GetDotNetType(postgresType);
var npgsqlType = PgSqlTypeManager.GetNpgsqlDbType(postgresType);
JToken newObject = null;
switch (npgsqlType)
{
case NpgsqlDbType.Json:
case NpgsqlDbType.Jsonb:
{
if (type.IsListType())
{
var list = new JArray();
var enumerable = data as IEnumerable;
foreach (var o in enumerable)
{
var jt = JToken.Parse(o.ToString());
//var jo = jt.ToBasicDotNetObject();
list.Add(jt);
}
newObject = list;
}
else
{
newObject = JToken.Parse(data.ToString());
}
break;
}
case NpgsqlDbType.Json | NpgsqlDbType.Array:
case NpgsqlDbType.Jsonb | NpgsqlDbType.Array:
{
var list = new JArray();
var enumerable = data as IEnumerable;
foreach (var o in enumerable)
{
var jt = JToken.Parse(o.ToString());
list.Add(jt);
}
newObject = list;
break;
}
default:
newObject = JToken.FromObject(data);
break;
}
return(newObject);
}
