package common import ( "database/sql" qgen "github.com/Azareal/Gosora/query_gen" ) var UserBlocks BlockStore //var UserFriends FriendStore type BlockStore interface { IsBlockedBy(blocker, blockee int) (bool, error) Add(blocker, blockee int) error Remove(blocker, blockee int) error } type DefaultBlockStore struct { isBlocked *sql.Stmt add *sql.Stmt remove *sql.Stmt } func NewDefaultBlockStore(acc *qgen.Accumulator) (*DefaultBlockStore, error) { return &DefaultBlockStore{ isBlocked: acc.Select("users_blocks").Cols("blocker").Where("blocker = ? AND blockedUser = ?").Prepare(), add: acc.Insert("users_blocks").Columns("blocker,blockedUser").Fields("?,?").Prepare(), remove: acc.Delete("users_blocks").Where("blocker = ? AND blockedUser = ?").Prepare(), }, acc.FirstError() } func (s *DefaultBlockStore) IsBlockedBy(blocker, blockee int) (bool, error) { err := s.isBlocked.QueryRow(blocker, blockee).Scan(&blocker) if err != nil && err != ErrNoRows { return false, err } return err != ErrNoRows, nil } func (s *DefaultBlockStore) Add(blocker, blockee int) error { _, err := s.add.Exec(blocker, blockee) return err } func (s *DefaultBlockStore) Remove(blocker, blockee int) error { _, err := s.remove.Exec(blocker, blockee) return err } type FriendInvite struct { Requester int Target int } type FriendStore interface { AddInvite(requester, target int) error Confirm(requester, target int) error GetOwSentInvites(uid int) ([]FriendInvite, error) GetOwnRecvInvites(uid int) ([]FriendInvite, error) } type DefaultFriendStore struct { addInvite *sql.Stmt confirm *sql.Stmt getOwnSentInvites *sql.Stmt getOwnRecvInvites *sql.Stmt } func NewDefaultFriendStore(acc *qgen.Accumulator) (*DefaultFriendStore, error) { return &DefaultFriendStore{ addInvite: acc.Insert("users_friends_invites").Columns("requester,target").Fields("?,?").Prepare(), confirm: acc.Insert("users_friends").Columns("uid,uid2").Fields("?,?").Prepare(), getOwnSentInvites: acc.Select("users_friends_invites").Cols("requester,target").Where("requester = ?").Prepare(), getOwnRecvInvites: acc.Select("users_friends_invites").Cols("requester,target").Where("target = ?").Prepare(), }, acc.FirstError() } func (s *DefaultFriendStore) AddInvite(requester, target int) error { _, err := s.addInvite.Exec(requester, target) return err } func (s *DefaultFriendStore) Confirm(requester, target int) error { _, err := s.confirm.Exec(requester, target) return err } func (s *DefaultFriendStore) GetOwnSentInvites(uid int) ([]FriendInvite, error) { return nil, nil } func (s *DefaultFriendStore) GetOwnRecvInvites(uid int) ([]FriendInvite, error) { return nil, nil }