public static RepositoryEntityReader <T> ReadEntities <T>(Action <IMRecordset> conditionHandler)
where T : class, IRepositoryEntity, IRepositoryReadedEntity, new()
{
var entity = new T();
var entityDbName = entity.GetTableName();
var idFieldName = entity.GetIdFieldName();
var fields = entity.GetFieldNames();
var source = new IMRecordset(entityDbName, IMRecordset.Mode.ReadOnly);
conditionHandler(source);
source.Select(fields);
var reader = new RepositoryEntityReader <T>(source);
return(reader);
}
public static void CreateEntity <T>(T entity)
where T : class, IRepositoryEntity, IRepositoryCreatedEntity, new()
{
var entityDbName = entity.GetTableName();
var idFieldName = entity.GetIdFieldName();
var fields = entity.GetFieldNames();
var source = new IMRecordset(entityDbName, IMRecordset.Mode.ReadWrite);
source.Select(fields);
source.SetWhere(idFieldName, IMRecordset.Operation.Eq, -1);
using (source.OpenWithScope())
{
source.AddNew();
entity.SaveToRecordset(source);
source.Update();
}
}
public static int GetCurrentUserId()
{
var result = IM.NullI;
string userName = IM.ConnectedUser();
var employeeRs = new IMRecordset(Employee.TableName, IMRecordset.Mode.ReadOnly);
employeeRs.Select(Employee.Fields.Id);
employeeRs.SetWhere(Employee.Fields.AppUser, IMRecordset.Operation.Eq, userName);
using (employeeRs.OpenWithScope())
{
if (!employeeRs.IsEOF())
{
result = employeeRs.GetI(Employee.Fields.Id);
}
}
return(result);
}
public static void UpdateEntity <T>(T entity)
where T : class, IRepositoryEntity, IRepositoryUpdatedEntity, new()
{
var entityDbName = entity.GetTableName();
var idFieldName = entity.GetIdFieldName();
var fields = entity.GetFieldNames();
var id = entity.GetId();
var source = new IMRecordset(entityDbName, IMRecordset.Mode.ReadWrite);
source.Select(fields);
source.SetWhere(idFieldName, IMRecordset.Operation.Eq, id.ToString());
using (source.OpenWithScope())
{
if (source.IsEOF())
{
throw new InvalidOperationException($"Not found a record of {entityDbName} by Id #{id}");
}
source.Edit();
entity.SaveToRecordset(source);
source.Update();
}
}
public static T ReadFirstEntity <T>(Action <IMRecordset> conditionHandler)
where T : class, IRepositoryEntity, IRepositoryReadedEntity, new()
{
var entity = new T();
var entityDbName = entity.GetTableName();
var fields = entity.GetFieldNames();
var source = new IMRecordset(entityDbName, IMRecordset.Mode.ReadOnly);
source.Select(fields);
conditionHandler(source);
using (source.OpenWithScope())
{
if (source.IsEOF())
{
return(default(T));
}
entity.LoadFromRecordset(source);
}
return(entity);
}
public static T ReadEntityById <T>(int id)
where T : class, IRepositoryEntity, IRepositoryReadedEntity, new()
{
var entity = new T();
var entityDbName = entity.GetTableName();
var idFieldName = entity.GetIdFieldName();
var fields = entity.GetFieldNames();
var source = new IMRecordset(entityDbName, IMRecordset.Mode.ReadOnly);
source.Select(fields);
source.SetWhere(idFieldName, IMRecordset.Operation.Eq, id.ToString());
using (source.OpenWithScope())
{
if (source.IsEOF())
{
throw new InvalidOperationException($"Not found a record of {entityDbName} by Id #{id}");
}
entity.LoadFromRecordset(source);
}
return(entity);
}
public static OpenedRecordsetScope OpenForAdd(this IMRecordset recordset, params string[] fields)
{
recordset.Select(string.Join(",", fields));
recordset.SetWhere(fields[0], IMRecordset.Operation.Eq, -1);
return(recordset.OpenWithScope());
}
public static void Select(this IMRecordset recordset, params string[] fields)
{
recordset.Select(string.Join(",", fields));
}