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// Copyright 2012-present Oliver Eilhard. All rights reserved.
// Use of this source code is governed by a MIT-license.
// See http://olivere.mit-license.org/license.txt for details.
package elastic
// RangeQuery matches documents with fields that have terms within a certain range.
//
// For details, see
// https://www.elastic.co/guide/en/elasticsearch/reference/5.2/query-dsl-range-query.html
type RangeQuery struct {
name string
from interface{}
to interface{}
timeZone string
includeLower bool
includeUpper bool
boost *float64
queryName string
format string
relation string
}
// NewRangeQuery creates and initializes a new RangeQuery.
func NewRangeQuery(name string) *RangeQuery {
return &RangeQuery{name: name, includeLower: true, includeUpper: true}
}
// From indicates the from part of the RangeQuery.
// Use nil to indicate an unbounded from part.
func (q *RangeQuery) From(from interface{}) *RangeQuery {
q.from = from
return q
}
// Gt indicates a greater-than value for the from part.
// Use nil to indicate an unbounded from part.
func (q *RangeQuery) Gt(from interface{}) *RangeQuery {
q.from = from
q.includeLower = false
return q
}
// Gte indicates a greater-than-or-equal value for the from part.
// Use nil to indicate an unbounded from part.
func (q *RangeQuery) Gte(from interface{}) *RangeQuery {
q.from = from
q.includeLower = true
return q
}
// To indicates the to part of the RangeQuery.
// Use nil to indicate an unbounded to part.
func (q *RangeQuery) To(to interface{}) *RangeQuery {
q.to = to
return q
}
// Lt indicates a less-than value for the to part.
// Use nil to indicate an unbounded to part.
func (q *RangeQuery) Lt(to interface{}) *RangeQuery {
q.to = to
q.includeUpper = false
return q
}
// Lte indicates a less-than-or-equal value for the to part.
// Use nil to indicate an unbounded to part.
func (q *RangeQuery) Lte(to interface{}) *RangeQuery {
q.to = to
q.includeUpper = true
return q
}
// IncludeLower indicates whether the lower bound should be included or not.
// Defaults to true.
func (q *RangeQuery) IncludeLower(includeLower bool) *RangeQuery {
q.includeLower = includeLower
return q
}
// IncludeUpper indicates whether the upper bound should be included or not.
// Defaults to true.
func (q *RangeQuery) IncludeUpper(includeUpper bool) *RangeQuery {
q.includeUpper = includeUpper
return q
}
// Boost sets the boost for this query.
func (q *RangeQuery) Boost(boost float64) *RangeQuery {
q.boost = &boost
return q
}
// QueryName sets the query name for the filter that can be used when
// searching for matched_filters per hit.
func (q *RangeQuery) QueryName(queryName string) *RangeQuery {
q.queryName = queryName
return q
}
// TimeZone is used for date fields. In that case, we can adjust the
// from/to fields using a timezone.
func (q *RangeQuery) TimeZone(timeZone string) *RangeQuery {
q.timeZone = timeZone
return q
}
// Format is used for date fields. In that case, we can set the format
// to be used instead of the mapper format.
func (q *RangeQuery) Format(format string) *RangeQuery {
q.format = format
return q
}
// Relation is used for range fields. which can be one of
// "within", "contains", "intersects" (default) and "disjoint".
func (q *RangeQuery) Relation(relation string) *RangeQuery {
q.relation = relation
return q
}
// Source returns JSON for the query.
func (q *RangeQuery) Source() (interface{}, error) {
source := make(map[string]interface{})
rangeQ := make(map[string]interface{})
source["range"] = rangeQ
params := make(map[string]interface{})
rangeQ[q.name] = params
params["from"] = q.from
params["to"] = q.to
if q.timeZone != "" {
params["time_zone"] = q.timeZone
}
if q.format != "" {
params["format"] = q.format
}
if q.relation != "" {
params["relation"] = q.relation
}
if q.boost != nil {
params["boost"] = *q.boost
}
params["include_lower"] = q.includeLower
params["include_upper"] = q.includeUpper
if q.queryName != "" {
rangeQ["_name"] = q.queryName
}
return source, nil
}
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