mirror of https://github.com/go-gitea/gitea.git
97 lines
2.9 KiB
Go
97 lines
2.9 KiB
Go
// 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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// AdjacencyMatrixAggregation returning a form of adjacency matrix.
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// The request provides a collection of named filter expressions,
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// similar to the filters aggregation request. Each bucket in the
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// response represents a non-empty cell in the matrix of intersecting 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-adjacency-matrix-aggregation.html
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type AdjacencyMatrixAggregation struct {
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filters 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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// NewAdjacencyMatrixAggregation initializes a new AdjacencyMatrixAggregation.
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func NewAdjacencyMatrixAggregation() *AdjacencyMatrixAggregation {
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return &AdjacencyMatrixAggregation{
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filters: 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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// Filters adds the filter
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func (a *AdjacencyMatrixAggregation) Filters(name string, filter Query) *AdjacencyMatrixAggregation {
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a.filters[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 *AdjacencyMatrixAggregation) SubAggregation(name string, subAggregation Aggregation) *AdjacencyMatrixAggregation {
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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 *AdjacencyMatrixAggregation) Meta(metaData map[string]interface{}) *AdjacencyMatrixAggregation {
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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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func (a *AdjacencyMatrixAggregation) Source() (interface{}, error) {
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// Example:
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// {
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// "aggs" : {
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// "interactions" : {
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// "adjacency_matrix" : {
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// "filters" : {
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// "grpA" : { "terms" : { "accounts" : ["hillary", "sidney"] }},
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// "grpB" : { "terms" : { "accounts" : ["donald", "mitt"] }},
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// "grpC" : { "terms" : { "accounts" : ["vladimir", "nigel"] }}
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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) { "adjacency_matrix" : {} } part.
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source := make(map[string]interface{})
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adjacencyMatrix := make(map[string]interface{})
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source["adjacency_matrix"] = adjacencyMatrix
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dict := make(map[string]interface{})
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for key, filter := range a.filters {
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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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adjacencyMatrix["filters"] = dict
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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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