database

type Client interface {
	// Save inserts or updates the entry in database with the given model.
	Save(m model.Model) error
	// Delete deletes the entry in database with the given model.
	Delete(m model.Model) error
	// Close the database.
	Close() error
	// IsNotFound returns true if err is nil or a not found error.
	IsNotFound(err error) bool

	UserInteraction
	SessionInteraction
	ItemInteraction
}

type ItemInteraction interface {
	// FindItem returns the item for the given id (UUID).
	FindItem(id string) (*model.Item, error)
	// FindItemByUserID returns the item for the given id and user id (UUID).
	FindItemByUserID(id, userID string) (*model.Item, error)
	// FindItemsByParams returns all the matching records for the given parameters.
	// It also returns a boolean to true if there is more items than the given limit.
	// limit equals to 0 means all items.
	FindItemsByParams(userID, contentType string, updated time.Time, strictTime, filterDeleted bool, limit int) ([]*model.Item, bool, error)
	// FindItemsForIntegrityCheck returns valid items for computing data signature forthe given user.
	FindItemsForIntegrityCheck(userID string) ([]*model.Item, error)
	// DeleteItem deletes the item matching the given parameters.
	DeleteItem(id, userID string) error
}

type SessionInteraction interface {
	// FindSession returns the session for the given id (UUID).
	FindSession(id string) (*model.Session, error)
	// FindSessionsByUserID returns all sessions for the given id and user id.
	FindSessionByUserID(id, userID string) (*model.Session, error)
	// FindActiveSessionsByUserID returns all active sessions for the given user id.
	FindActiveSessionsByUserID(userID string) ([]*model.Session, error)
	// FindSessionsByUserID returns all sessions for the given user id.
	FindSessionsByUserID(userID string) ([]*model.Session, error)
	// FindSessionByAccessToken returns the session for the given id and access token.
	FindSessionByAccessToken(id, token string) (*model.Session, error)
	// FindSessionByTokens returns the session for the given id, access and refresh token.
	FindSessionByTokens(id, access, refresh string) (*model.Session, error)
}

type UserInteraction interface {
	// FindUser returns the user for the given id (UUID).
	FindUser(id string) (*model.User, error)
	// FindUserByMail returns the user for the given email.
	FindUserByMail(email string) (*model.User, error)
}