public override string Parse(Gale.REST.Queryable.Primitive.Reflected.Field field, string value)
{
if (field.Type == typeof(String) || field.Type == typeof(Int32) || field.Type == typeof(System.Guid))
{
List <String> values = value.Split('|').ToList();
String in_values = string.Join("','", values);
return(String.Format("{0} IN ('{1}')", field.Key, in_values));
}
else
{
throw new Exception.GaleException("API018");
}
}
public override string Parse(Gale.REST.Queryable.Primitive.Reflected.Field field, string value)
{
String format = "{0} <= {1}";
if (field.Type == typeof(String))
{
format = "LEN({0}) <= {1}";
}
if (field.Type == typeof(DateTime) || field.Type == typeof(DateTime?))
{
format = "{0} <= '{1}'";
}
return(String.Format(format, field.Key, value));
}
public override string Parse(Gale.REST.Queryable.Primitive.Reflected.Field field, string value)
{
if (field.Type == typeof(String) || field.Type == typeof(System.Guid))
{
return(String.Format("{0} like '%{1}%'", field.Key, value));
}
else if (field.Type == typeof(Int32))
{
//convert(varchar(10),StandardCost)
return(String.Format("CONVERT(VARCHAR(8000), {0}) like '%{1}%'", field.Key, value));
}
else
{
throw new Exception.GaleException("API018");
}
}
/// <summary>
/// Parse SQL String
/// </summary>
/// <param name="query"></param>
/// <param name="model"></param>
/// <returns></returns>
public override string Parse(GQLConfiguration configuration, Gale.REST.Queryable.Primitive.Reflected.Model model)
{
if (configuration.orderBy == null)
{
return("SYSDATETIME() desc \n\n");
}
else
{
Gale.REST.Queryable.Primitive.Reflected.Field _field = model.Fields.FirstOrDefault((field) =>
{
return(field.Name.ToLower() == configuration.orderBy.name.ToLower());
});
if (_field == null)
{
throw new Exception.GaleException("API015", configuration.orderBy.name);
}
return(String.Format("{0} {1} \n\n", _field.Key, configuration.orderBy.order.ToString()));
}
}
public abstract string Parse(Gale.REST.Queryable.Primitive.Reflected.Field field, string value);
/// <summary>
/// Parse SELECT
/// </summary>
/// <param name="configuration">Gale Query Language Configuration</param>
/// <param name="model">Model</param>
/// <returns></returns>
public override string Parse(GQLConfiguration configuration, Gale.REST.Queryable.Primitive.Reflected.Model model)
{
//SELECT PARSER QUERY
List <String> builder = new List <string>();
if (configuration.fields.Count == 0)
{
configuration.fields.Add("*");
}
#region SELECT FIELD
//---- SELECT FIELD
Action <Gale.REST.Queryable.Primitive.Reflected.Field> SelectField = new Action <Gale.REST.Queryable.Primitive.Reflected.Field>((field) =>
{
//The Main Primary Key , dont'need to add to the selection
if (field.Specification == Gale.REST.Queryable.Primitive.Reflected.Field.SpecificationEnum.Pk)
{
return;
}
//Only if, his, from the primary Table, add to selection,
//because all Foreign key Table, are Getting from the source (ForeignTable.*)
if (field.Table.IsForeign == false)
{
builder.Add(field.Key);
}
field.Select();
});
//---------------------------------
#endregion
//--- FIRST ADD THE PK
builder.Insert(0, model.Tables.First().PrimaryKey.Key);
//---
foreach (String fieldName in configuration.fields)
{
string _fieldName = fieldName.Trim();
//---[ Get all field from all tables :P
if (_fieldName == "*.*")
{
model.Fields.ForEach((f) =>
{
SelectField(f);
});
break;
}
//If query is * , bring all field's
if (_fieldName.Contains("*"))
{
Type searchedTable = null;
//Get all field from the Primary Table
if (_fieldName == "*")
{
searchedTable = model.Tables.First().Type; //Main Table
}
else
{
//try to get all field from a foreign table
if (!_fieldName.Contains(":("))
{
throw new Exception.GaleException("API012", _fieldName);
}
_fieldName = _fieldName.Substring(0, _fieldName.IndexOf(":("));
var fk = model.Constraints.FirstOrDefault(constraint => constraint.ThisField.Name == _fieldName);
if (fk == null)
{
throw new Exception.GaleException("API013", _fieldName);
}
searchedTable = fk.Table.Type;
}
model.Fields.ForEach((f) =>
{
if (f.Table.Type == searchedTable)
{
SelectField(f);
}
});
continue;
}
//Check if field exist's
Gale.REST.Queryable.Primitive.Reflected.Field field = model.Fields.FirstOrDefault((f) =>
{
return(f.Name.ToLower() == _fieldName);
});
//If field is not exists, throw exception
if (field == null)
{
throw new Exception.GaleException("API013", _fieldName);
}
//Primary Key
if (field.Specification == Gale.REST.Queryable.Primitive.Reflected.Field.SpecificationEnum.Pk)
{
throw new Exception.GaleException("API014", _fieldName);
}
//Select Field
SelectField(field);
}
return(String.Join(",", builder));
}
