filtering

type Bool struct {
	Must    *Must    `json:"must,omitempty"`
	MustNot *MustNot `json:"must_not,omitempty"`
	Should  *Should  `json:"should,omitempty"`
	Term    *Term    `json:"term,omitempty"`
}

type Filterer interface {
	ParseExpression(filter string) (*Query, error)
}

type HasParent struct {
	ParentType string `json:"parent_type"`
	Query      *Query `json:"query"`
}

type Must []interface{}

type MustNot []interface{}

type Nested struct {
	Path  string `json:"path"`
	Query *Query `json:"query,omitempty"`
}

type Query struct {
	Bool        *Bool        `json:"bool,omitempty"`
	Term        *Term        `json:"term,omitempty"`
	Prefix      *Term        `json:"prefix,omitempty"`
	QueryString *QueryString `json:"query_string,omitempty"`
	Nested      *Nested      `json:"nested,omitempty"`
	Range       *Range       `json:"range,omitempty"`
	HasParent   *HasParent   `json:"has_parent,omitempty"`
}

type QueryString struct {
	DefaultField string `json:"default_field"`
	Query        string `json:"query"`
}

type Range map[string]*RangeOperator

type RangeOperator struct {
	Greater       string `json:"gt,omitempty"`
	GreaterEquals string `json:"gte,omitempty"`
	Less          string `json:"lt,omitempty"`
	LessEquals    string `json:"lte,omitempty"`
}

type Should []interface{}

type Term map[string]string