//public async Task<IEnumerable<UnitModel>> GetDeffenceUnits(Tribe tribe)
//{
// var units = await collection
// .AsQueryable()
// .Where(x => x.Tribe == tribe && (x.UnitType == UnitType.FOOT_TROOPS || x.UnitType == UnitType.CAVALRY))
// .ToListAsync();
// return units.Where(x => x.Attack < x.DeffenceAgainstCavalry || x.Attack < x.DeffenceAgainstInfantry);
//}
public async Task <IEnumerable <UnitModel> > GetDeffenceUnits(Tribe tribe)
{
PipelineDefinition <UnitModel, UnitModel> pipeline = new BsonDocument[]
{
new BsonDocument {
{ "$addFields", new BsonDocument
{
{ "iDiff", new BsonDocument {
{ "$cmp", new BsonArray {
"$attack", "$deffenceAgainstInfantry"
} }
} },
{ "cDiff", new BsonDocument {
{ "$cmp", new BsonArray {
"$attack", "$deffenceAgainstCavalry"
} }
} }
} }
},
new BsonDocument
{
{
"$match", new BsonDocument
{
{
"$and", new BsonArray
{
new BsonDocument
{
{ "tribe", tribe.GetEnumDisplayName() }
},
new BsonDocument
{
{
"$or", new BsonArray
{
new BsonDocument
{
{ "iDiff", new BsonDocument {
{ "$eq", -1 }
} }
},
new BsonDocument
{
{ "cDiff", new BsonDocument {
{ "$eq", -1 }
} }
}
}
}
},
new BsonDocument
{
{
"$or", new BsonArray
{
new BsonDocument
{
{ "unitType", UnitType.FOOT_TROOPS.GetEnumDisplayName() }
},
new BsonDocument
{
{ "unitType", UnitType.CAVALRY.GetEnumDisplayName() }
}
}
}
}
}
}
}
}
}
};
var units = _collection.Aggregate(pipeline);
return(await units.ToListAsync());
}
