diff options
Diffstat (limited to 'vendor/gopkg.in/olivere/elastic.v5/search_aggs_bucket_date_range.go')
| -rw-r--r-- | vendor/gopkg.in/olivere/elastic.v5/search_aggs_bucket_date_range.go | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/vendor/gopkg.in/olivere/elastic.v5/search_aggs_bucket_date_range.go b/vendor/gopkg.in/olivere/elastic.v5/search_aggs_bucket_date_range.go new file mode 100644 index 000000000..f94513d90 --- /dev/null +++ b/vendor/gopkg.in/olivere/elastic.v5/search_aggs_bucket_date_range.go @@ -0,0 +1,234 @@ +// 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 + +import ( + "time" +) + +// DateRangeAggregation is a range aggregation that is dedicated for +// date values. The main difference between this aggregation and the +// normal range aggregation is that the from and to values can be expressed +// in Date Math expressions, and it is also possible to specify a +// date format by which the from and to response fields will be returned. +// Note that this aggregration includes the from value and excludes the to +// value for each range. +// See: https://www.elastic.co/guide/en/elasticsearch/reference/5.2/search-aggregations-bucket-daterange-aggregation.html +type DateRangeAggregation struct { + field string + script *Script + subAggregations map[string]Aggregation + meta map[string]interface{} + keyed *bool + unmapped *bool + format string + entries []DateRangeAggregationEntry +} + +type DateRangeAggregationEntry struct { + Key string + From interface{} + To interface{} +} + +func NewDateRangeAggregation() *DateRangeAggregation { + return &DateRangeAggregation{ + subAggregations: make(map[string]Aggregation), + entries: make([]DateRangeAggregationEntry, 0), + } +} + +func (a *DateRangeAggregation) Field(field string) *DateRangeAggregation { + a.field = field + return a +} + +func (a *DateRangeAggregation) Script(script *Script) *DateRangeAggregation { + a.script = script + return a +} + +func (a *DateRangeAggregation) SubAggregation(name string, subAggregation Aggregation) *DateRangeAggregation { + a.subAggregations[name] = subAggregation + return a +} + +// Meta sets the meta data to be included in the aggregation response. +func (a *DateRangeAggregation) Meta(metaData map[string]interface{}) *DateRangeAggregation { + a.meta = metaData + return a +} + +func (a *DateRangeAggregation) Keyed(keyed bool) *DateRangeAggregation { + a.keyed = &keyed + return a +} + +func (a *DateRangeAggregation) Unmapped(unmapped bool) *DateRangeAggregation { + a.unmapped = &unmapped + return a +} + +func (a *DateRangeAggregation) Format(format string) *DateRangeAggregation { + a.format = format + return a +} + +func (a *DateRangeAggregation) AddRange(from, to interface{}) *DateRangeAggregation { + a.entries = append(a.entries, DateRangeAggregationEntry{From: from, To: to}) + return a +} + +func (a *DateRangeAggregation) AddRangeWithKey(key string, from, to interface{}) *DateRangeAggregation { + a.entries = append(a.entries, DateRangeAggregationEntry{Key: key, From: from, To: to}) + return a +} + +func (a *DateRangeAggregation) AddUnboundedTo(from interface{}) *DateRangeAggregation { + a.entries = append(a.entries, DateRangeAggregationEntry{From: from, To: nil}) + return a +} + +func (a *DateRangeAggregation) AddUnboundedToWithKey(key string, from interface{}) *DateRangeAggregation { + a.entries = append(a.entries, DateRangeAggregationEntry{Key: key, From: from, To: nil}) + return a +} + +func (a *DateRangeAggregation) AddUnboundedFrom(to interface{}) *DateRangeAggregation { + a.entries = append(a.entries, DateRangeAggregationEntry{From: nil, To: to}) + return a +} + +func (a *DateRangeAggregation) AddUnboundedFromWithKey(key string, to interface{}) *DateRangeAggregation { + a.entries = append(a.entries, DateRangeAggregationEntry{Key: key, From: nil, To: to}) + return a +} + +func (a *DateRangeAggregation) Lt(to interface{}) *DateRangeAggregation { + a.entries = append(a.entries, DateRangeAggregationEntry{From: nil, To: to}) + return a +} + +func (a *DateRangeAggregation) LtWithKey(key string, to interface{}) *DateRangeAggregation { + a.entries = append(a.entries, DateRangeAggregationEntry{Key: key, From: nil, To: to}) + return a +} + +func (a *DateRangeAggregation) Between(from, to interface{}) *DateRangeAggregation { + a.entries = append(a.entries, DateRangeAggregationEntry{From: from, To: to}) + return a +} + +func (a *DateRangeAggregation) BetweenWithKey(key string, from, to interface{}) *DateRangeAggregation { + a.entries = append(a.entries, DateRangeAggregationEntry{Key: key, From: from, To: to}) + return a +} + +func (a *DateRangeAggregation) Gt(from interface{}) *DateRangeAggregation { + a.entries = append(a.entries, DateRangeAggregationEntry{From: from, To: nil}) + return a +} + +func (a *DateRangeAggregation) GtWithKey(key string, from interface{}) *DateRangeAggregation { + a.entries = append(a.entries, DateRangeAggregationEntry{Key: key, From: from, To: nil}) + return a +} + +func (a *DateRangeAggregation) Source() (interface{}, error) { + // Example: + // { + // "aggs" : { + // "range" : { + // "date_range": { + // "field": "date", + // "format": "MM-yyy", + // "ranges": [ + // { "to": "now-10M/M" }, + // { "from": "now-10M/M" } + // ] + // } + // } + // } + // } + // } + // + // This method returns only the { "date_range" : { ... } } part. + + source := make(map[string]interface{}) + opts := make(map[string]interface{}) + source["date_range"] = opts + + // ValuesSourceAggregationBuilder + if a.field != "" { + opts["field"] = a.field + } + if a.script != nil { + src, err := a.script.Source() + if err != nil { + return nil, err + } + opts["script"] = src + } + + if a.keyed != nil { + opts["keyed"] = *a.keyed + } + if a.unmapped != nil { + opts["unmapped"] = *a.unmapped + } + if a.format != "" { + opts["format"] = a.format + } + + var ranges []interface{} + for _, ent := range a.entries { + r := make(map[string]interface{}) + if ent.Key != "" { + r["key"] = ent.Key + } + if ent.From != nil { + switch from := ent.From.(type) { + case int, int16, int32, int64, float32, float64: + r["from"] = from + case time.Time: + r["from"] = from.Format(time.RFC3339) + case string: + r["from"] = from + } + } + if ent.To != nil { + switch to := ent.To.(type) { + case int, int16, int32, int64, float32, float64: + r["to"] = to + case time.Time: + r["to"] = to.Format(time.RFC3339) + case string: + r["to"] = to + } + } + ranges = append(ranges, r) + } + opts["ranges"] = ranges + + // AggregationBuilder (SubAggregations) + if len(a.subAggregations) > 0 { + aggsMap := make(map[string]interface{}) + source["aggregations"] = aggsMap + for name, aggregate := range a.subAggregations { + src, err := aggregate.Source() + if err != nil { + return nil, err + } + aggsMap[name] = src + } + } + + // Add Meta data if available + if len(a.meta) > 0 { + source["meta"] = a.meta + } + + return source, nil +} |