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* Issue search support elasticsearch * Fix lint * Add indexer name on app.ini * add a warnning on SearchIssuesByKeyword * improve code
139 lines
4.1 KiB
Go
Vendored
139 lines
4.1 KiB
Go
Vendored
// Copyright 2012-present Oliver Eilhard. All rights reserved.
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// Use of this source code is governed by a MIT-license.
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// See http://olivere.mit-license.org/license.txt for details.
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package elastic
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import "errors"
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// FiltersAggregation defines a multi bucket aggregations where each bucket
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// is associated with a filter. Each bucket will collect all documents that
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// match its associated filter.
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//
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// Notice that the caller has to decide whether to add filters by name
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// (using FilterWithName) or unnamed filters (using Filter or Filters). One cannot
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// use both named and unnamed filters.
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//
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// For details, see
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// https://www.elastic.co/guide/en/elasticsearch/reference/7.0/search-aggregations-bucket-filters-aggregation.html
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type FiltersAggregation struct {
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unnamedFilters []Query
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namedFilters map[string]Query
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subAggregations map[string]Aggregation
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meta map[string]interface{}
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}
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// NewFiltersAggregation initializes a new FiltersAggregation.
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func NewFiltersAggregation() *FiltersAggregation {
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return &FiltersAggregation{
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unnamedFilters: make([]Query, 0),
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namedFilters: make(map[string]Query),
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subAggregations: make(map[string]Aggregation),
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}
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}
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// Filter adds an unnamed filter. Notice that you can
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// either use named or unnamed filters, but not both.
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func (a *FiltersAggregation) Filter(filter Query) *FiltersAggregation {
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a.unnamedFilters = append(a.unnamedFilters, filter)
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return a
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}
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// Filters adds one or more unnamed filters. Notice that you can
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// either use named or unnamed filters, but not both.
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func (a *FiltersAggregation) Filters(filters ...Query) *FiltersAggregation {
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if len(filters) > 0 {
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a.unnamedFilters = append(a.unnamedFilters, filters...)
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}
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return a
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}
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// FilterWithName adds a filter with a specific name. Notice that you can
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// either use named or unnamed filters, but not both.
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func (a *FiltersAggregation) FilterWithName(name string, filter Query) *FiltersAggregation {
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a.namedFilters[name] = filter
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return a
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}
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// SubAggregation adds a sub-aggregation to this aggregation.
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func (a *FiltersAggregation) SubAggregation(name string, subAggregation Aggregation) *FiltersAggregation {
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a.subAggregations[name] = subAggregation
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return a
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}
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// Meta sets the meta data to be included in the aggregation response.
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func (a *FiltersAggregation) Meta(metaData map[string]interface{}) *FiltersAggregation {
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a.meta = metaData
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return a
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}
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// Source returns the a JSON-serializable interface.
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// If the aggregation is invalid, an error is returned. This may e.g. happen
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// if you mixed named and unnamed filters.
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func (a *FiltersAggregation) Source() (interface{}, error) {
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// Example:
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// {
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// "aggs" : {
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// "messages" : {
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// "filters" : {
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// "filters" : {
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// "errors" : { "term" : { "body" : "error" }},
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// "warnings" : { "term" : { "body" : "warning" }}
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// }
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// }
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// }
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// }
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// }
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// This method returns only the (outer) { "filters" : {} } part.
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source := make(map[string]interface{})
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filters := make(map[string]interface{})
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source["filters"] = filters
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if len(a.unnamedFilters) > 0 && len(a.namedFilters) > 0 {
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return nil, errors.New("elastic: use either named or unnamed filters with FiltersAggregation but not both")
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}
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if len(a.unnamedFilters) > 0 {
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arr := make([]interface{}, len(a.unnamedFilters))
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for i, filter := range a.unnamedFilters {
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src, err := filter.Source()
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if err != nil {
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return nil, err
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}
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arr[i] = src
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}
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filters["filters"] = arr
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} else {
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dict := make(map[string]interface{})
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for key, filter := range a.namedFilters {
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src, err := filter.Source()
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if err != nil {
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return nil, err
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}
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dict[key] = src
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}
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filters["filters"] = dict
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}
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// AggregationBuilder (SubAggregations)
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if len(a.subAggregations) > 0 {
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aggsMap := make(map[string]interface{})
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source["aggregations"] = aggsMap
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for name, aggregate := range a.subAggregations {
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src, err := aggregate.Source()
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if err != nil {
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return nil, err
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}
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aggsMap[name] = src
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}
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}
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// Add Meta data if available
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if len(a.meta) > 0 {
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source["meta"] = a.meta
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}
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return source, nil
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}
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