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// Copyright 2012-2015 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
// GeoBoundsAggregation is a metric aggregation that computes the
// bounding box containing all geo_point values for a field.
// See: http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/search-aggregations-metrics-geobounds-aggregation.html
type GeoBoundsAggregation struct {
field string
script string
scriptFile string
lang string
params map[string]interface{}
wrapLongitude *bool
}
func NewGeoBoundsAggregation() GeoBoundsAggregation {
a := GeoBoundsAggregation{}
return a
}
func (a GeoBoundsAggregation) Field(field string) GeoBoundsAggregation {
a.field = field
return a
}
func (a GeoBoundsAggregation) Script(script string) GeoBoundsAggregation {
a.script = script
return a
}
func (a GeoBoundsAggregation) ScriptFile(scriptFile string) GeoBoundsAggregation {
a.scriptFile = scriptFile
return a
}
func (a GeoBoundsAggregation) Lang(lang string) GeoBoundsAggregation {
a.lang = lang
return a
}
func (a GeoBoundsAggregation) Params(params map[string]interface{}) GeoBoundsAggregation {
a.params = params
return a
}
func (a GeoBoundsAggregation) Param(name string, value interface{}) GeoBoundsAggregation {
if a.params == nil {
a.params = make(map[string]interface{})
}
a.params[name] = value
return a
}
func (a GeoBoundsAggregation) WrapLongitude(wrapLongitude bool) GeoBoundsAggregation {
a.wrapLongitude = &wrapLongitude
return a
}
func (a GeoBoundsAggregation) Source() interface{} {
// Example:
// {
// "query" : {
// "match" : { "business_type" : "shop" }
// },
// "aggs" : {
// "viewport" : {
// "geo_bounds" : {
// "field" : "location"
// "wrap_longitude" : "true"
// }
// }
// }
// }
//
// This method returns only the { "geo_bounds" : { ... } } part.
source := make(map[string]interface{})
opts := make(map[string]interface{})
source["geo_bounds"] = opts
if a.field != "" {
opts["field"] = a.field
}
if a.script != "" {
opts["script"] = a.script
}
if a.scriptFile != "" {
opts["script_file"] = a.scriptFile
}
if a.lang != "" {
opts["lang"] = a.lang
}
if a.params != nil && len(a.params) > 0 {
opts["params"] = a.params
}
if a.wrapLongitude != nil {
opts["wrap_longitude"] = *a.wrapLongitude
}
return source
}
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