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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
// Filters documents with fields that have terms within
// a certain range. For details, see:
// http://www.elasticsearch.org/guide/reference/query-dsl/range-filter.html
type RangeFilter struct {
Filter
name string
from *interface{}
to *interface{}
timeZone string
format string
includeLower bool
includeUpper bool
cache *bool
cacheKey string
filterName string
execution string
}
func NewRangeFilter(name string) RangeFilter {
f := RangeFilter{name: name, includeLower: true, includeUpper: true}
return f
}
// TimeZone allows for adjusting the from/to fields using a time zone.
// Only valid for date fields.
func (f RangeFilter) TimeZone(timeZone string) RangeFilter {
f.timeZone = timeZone
return f
}
// Format is a valid option for date fields in a Range filter.
func (f RangeFilter) Format(format string) RangeFilter {
f.format = format
return f
}
func (f RangeFilter) From(from interface{}) RangeFilter {
f.from = &from
return f
}
func (f RangeFilter) Gt(from interface{}) RangeFilter {
f.from = &from
f.includeLower = false
return f
}
func (f RangeFilter) Gte(from interface{}) RangeFilter {
f.from = &from
f.includeLower = true
return f
}
func (f RangeFilter) To(to interface{}) RangeFilter {
f.to = &to
return f
}
func (f RangeFilter) Lt(to interface{}) RangeFilter {
f.to = &to
f.includeUpper = false
return f
}
func (f RangeFilter) Lte(to interface{}) RangeFilter {
f.to = &to
f.includeUpper = true
return f
}
func (f RangeFilter) IncludeLower(includeLower bool) RangeFilter {
f.includeLower = includeLower
return f
}
func (f RangeFilter) IncludeUpper(includeUpper bool) RangeFilter {
f.includeUpper = includeUpper
return f
}
func (f RangeFilter) Cache(cache bool) RangeFilter {
f.cache = &cache
return f
}
func (f RangeFilter) CacheKey(cacheKey string) RangeFilter {
f.cacheKey = cacheKey
return f
}
func (f RangeFilter) FilterName(filterName string) RangeFilter {
f.filterName = filterName
return f
}
func (f RangeFilter) Execution(execution string) RangeFilter {
f.execution = execution
return f
}
func (f RangeFilter) Source() interface{} {
// {
// "range" : {
// "name" : {
// "..." : "..."
// }
// }
// }
source := make(map[string]interface{})
rangeQ := make(map[string]interface{})
source["range"] = rangeQ
params := make(map[string]interface{})
rangeQ[f.name] = params
params["from"] = f.from
params["to"] = f.to
if f.timeZone != "" {
params["time_zone"] = f.timeZone
}
if f.format != "" {
params["format"] = f.format
}
params["include_lower"] = f.includeLower
params["include_upper"] = f.includeUpper
if f.filterName != "" {
rangeQ["_name"] = f.filterName
}
if f.cache != nil {
rangeQ["_cache"] = *f.cache
}
if f.cacheKey != "" {
rangeQ["_cache_key"] = f.cacheKey
}
if f.execution != "" {
rangeQ["execution"] = f.execution
}
return source
}
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