models

type Collection interface {
	Find(query interface{}) *mgo.Query
	Count() (n int, err error)
	FindId(id interface{}) *mgo.Query
	Insert(docs ...interface{}) error
	Remove(selector interface{}) error
	Update(selector interface{}, update interface{}) error
	Upsert(selector interface{}, update interface{}) (info *mgo.ChangeInfo, err error)
	EnsureIndex(index mgo.Index) error
	RemoveAll(selector interface{}) (info *mgo.ChangeInfo, err error)
}

type DataLayer interface {
	C(name string) Collection
	GetQuestions() ([]Question, error)
	GetQuestion(qid int) (Question, error)
	GetScores() ([]Score, error)
	FindTopScores() ([]Score, error)
}

type FakeCollection struct{}

type FakeDatabase struct{}

type FakeSession struct{}

type MongoCollection struct {
	*mgo.Collection
}

type MongoDatabase struct {
	*mgo.Database
}

type MongoSession struct {
	*mgo.Session
}

type Question struct {
	QID            int     `bson:"qid" json:"qid"`
	Sentence       string  `bson:"sentence" json:"sentence"`
	MatchPositions [][]int `bson:"match_positions" json:"match_positions"`
}

type Score struct {
	Username  string `bson:"username" json:"username"`
	BestScore int    `bson:"best_score" json:"best_score"`
	Submitted bool   `bson:"submitted" json:"submitted"`
}

type Session interface {
	DB(name string) DataLayer
	SetSafe(safe *mgo.Safe)
	SetSyncTimeout(d time.Duration)
	SetSocketTimeout(d time.Duration)
	Close()
	Copy() Session
}