public async Task <OperationResult <IEnumerable <Friend> > > FindFriends(Guid userId)
{
var entity = await db.UserTable.Find <UserEntity>(
UserEntity.FormatPartitionKey(userId),
UserEntity.FormatRowKey(),
new List <string> {
nameof(UserEntity.FriendsJson)
});
if (entity == null)
{
return(OperationResult <IEnumerable <Friend> > .Failed(ErrorCode.NotFound, "User not found"));
}
var tasks = entity.Friends.Select(friendId =>
{
return(db.UserTable.Find <UserEntity>(
UserEntity.FormatPartitionKey(friendId),
UserEntity.FormatRowKey(),
new List <string> {
nameof(UserEntity.Name), nameof(UserEntity.Highscore)
}));
});
await Task.WhenAll(tasks);
var friends = tasks
.Select(task => task.Result)
.Where(e => e != null)
.Select(e => new Friend {
Id = e.Id, Name = e.Name, Highscore = e.Highscore
});
return(OperationResult <IEnumerable <Friend> > .Success(friends));
}
public async Task <OperationResult <State> > FindGameState(Guid userId)
{
var entity = await db.UserTable.Find <UserEntity>(
UserEntity.FormatPartitionKey(userId),
UserEntity.FormatRowKey(),
new List <string> {
nameof(UserEntity.GamesPlayed), nameof(UserEntity.Highscore)
});
if (entity == null)
{
return(OperationResult <State> .Failed(ErrorCode.NotFound, "User not found"));
}
return(OperationResult <State> .Success(new State { GamesPlayed = entity.GamesPlayed, Score = entity.Highscore }));
}
public async Task <OperationResult> UpdateGameState(Guid userId, State state)
{
var entity = new DynamicTableEntity(UserEntity.FormatPartitionKey(userId), UserEntity.FormatRowKey())
{
ETag = "*"
};
entity.Properties.Add(nameof(UserEntity.GamesPlayed), new EntityProperty(state.GamesPlayed));
entity.Properties.Add(nameof(UserEntity.Highscore), new EntityProperty(state.Score));
await db.UserTable.ExecuteAsync(TableOperation.Merge(entity));
return(OperationResult.Success);
}
public async Task <OperationResult> UpdateFriends(Guid userId, IEnumerable <Guid> friendIds)
{
var entity = new DynamicTableEntity(UserEntity.FormatPartitionKey(userId), UserEntity.FormatRowKey())
{
ETag = "*"
};
entity.Properties.Add(nameof(UserEntity.FriendsJson), new EntityProperty(UserEntity.FormatFriendsJson(friendIds)));
await db.UserTable.ExecuteAsync(TableOperation.Merge(entity));
return(OperationResult.Success);
}