entities

type AgeFilter struct {
	From int
	To   int
}

type CheckInEvent struct {
	ID        string
	Person    Person
	SessionID string
	CheckInAt time.Time
}

type ChurchEvent struct {
	ID                     string
	Name                   string
	Locations              []Location
	EventFrequency         Frequency
	LatestSessionStartTime time.Time
	LatestShowAt           time.Time
	LatestHideAt           time.Time
	LatestSessionNo        int
}

type ChurchEventSession struct {
	ID        string
	Name      string
	SessionNo int
	StartTime time.Time
	ShowAt    time.Time
	HideAt    time.Time
}

type Frequency string

type Location struct {
	Name      string
	AgeFilter AgeFilter
}

type Person struct {
	ID        string
	FirstName string
	LastName  string
	Birthday  string
}