public void Update(T obj)
{
string tableName = Reflections.GetTableName(typeof(T));
string pk = Reflections.GetPk(typeof(T));
string expression = String.Empty;
var dict = obj.GetParamsDict <S>();
var pkWithValue = obj.GetPk <S>();
foreach (var item in dict)
{
expression += String.Format("{0}=@{0},", item.Key);
}
dict.Add(pkWithValue.First().Key, pkWithValue.First().Value);
expression = expression.Substring(0, expression.Length - 1);
//string query = $"Update {tableName} set {expression} where {pk} = @{pk}";
string query = String.Format("Update {0} set {1} where {2} = @{2}", tableName, expression, pk);
using (var db = new SqlConnection(_connectionString))
{
db.Execute(query, dict);
}
}
public int Insert(T obj)
{
string tableName = Reflections.GetTableName(typeof(T));
string colNames = String.Empty;
string parNames = String.Empty;
bool withPk = !obj.Id.Equals(default(S));
var dict = obj.GetParamsDict <S>(withPk);
foreach (var item in dict)
{
colNames += String.Format("{0},", item.Key);
parNames += String.Format("@{0},", item.Key);
}
colNames = colNames.Substring(0, colNames.Length - 1);
parNames = parNames.Substring(0, parNames.Length - 1);
string query = String.Format("Insert into {0}({1}) values({2})", tableName, colNames, parNames);
using (var db = new SqlConnection(_connectionString))
{
return(db.Execute(query, dict));
}
}
public void Delete(S objId)
{
using (var db = new SqlConnection(_connectionString))
{
db.Execute(String.Format("Delete From {0} where {1} = @id", Reflections.GetTableName(typeof(T)), Reflections.GetPk(typeof(T))), new { id = objId });
}
}
public static string GetQuery(Type type)
{
string tableName = Reflections.GetTableName(type);
var properties = type.GetProperties();
string expression = "Select ";
foreach (var prop in properties)
{
var attrs = prop.GetCustomAttributes(true).Where(o => o is DalObjAttribute);
foreach (var dalAttr in attrs)
{
DalObjAttribute custDalAttr = dalAttr as DalObjAttribute;
expression += String.Format("{0}.{1} as {2},", tableName, custDalAttr.Alias, prop.Name);
}
}
expression = expression.Substring(0, expression.Length - 1);
expression += String.Format(" From {0}", tableName);
return(expression);
}
public T GetById(S id)
{
using (var db = new SqlConnection(_connectionString))
{
var data = db.Query <T>(String.Format("{0} where {1} = @id", Reflections.GetQuery(typeof(T)), Reflections.GetPk(typeof(T))), new { id = id });
return(data.SingleOrDefault());
}
}
public IEnumerable <T> GetAll()
{
using (var db = new SqlConnection(_connectionString))
{
var data = db.Query <T>(Reflections.GetQuery(typeof(T)));
return(data);
}
}
