private IPredicate FilterAttackerId(FightFilterDto filter)
{
return(!filter.AttackerId.HasValue
? null
: new SimplePredicate(nameof(Fight.AttackerId),
ValueComparingOperator.Equal,
filter.AttackerId.Value));
}
private IPredicate FilterFighterId(FightFilterDto filter)
{
if (!filter.FighterId.HasValue)
{
return(null);
}
else
{
var fights = new List <IPredicate>();
fights.Add(new SimplePredicate(nameof(Fight.DefenderId),
ValueComparingOperator.Equal,
filter.FighterId.Value));
fights.Add(new SimplePredicate(nameof(Fight.AttackerId),
ValueComparingOperator.Equal,
filter.FighterId.Value));
return(new CompositePredicate(fights, LogicalOperator.OR));
}
}
protected override IQuery <Fight> ApplyWhereClause(IQuery <Fight> query, FightFilterDto filter)
{
var predicates = new List <IPredicate>();
AddIfDefined(FilterAttackerId(filter), predicates);
AddIfDefined(FilterDefenderId(filter), predicates);
AddIfDefined(FilterSuccess(filter), predicates);
AddIfDefined(FilterFighterId(filter), predicates);
if (predicates.Count == 0)
{
return(query);
}
if (predicates.Count == 1)
{
return(query.Where(predicates.First()));
}
var wherePredicate = new CompositePredicate(predicates);
return(query.Where(wherePredicate));
}
public async Task <QueryResultDto <FightDto, FightFilterDto> > GetFightsHistory(FightFilterDto filter)
{
using (UnitOfWorkProvider.Create())
{
return(await _fightService.ListFightsAsync(filter));
}
}
