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segment_evaluator.go
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/
segment_evaluator.go
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// Copyright 2022 The Bucketeer Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package domain
import (
featureproto "github.com/bucketeer-io/bucketeer/proto/feature"
)
type segmentEvaluator struct {
}
func (e *segmentEvaluator) Evaluate(segmentIDs []string, userID string, segmentUsers []*featureproto.SegmentUser) bool {
return e.findSegmentUser(segmentIDs, userID, featureproto.SegmentUser_INCLUDED, segmentUsers)
}
func (e *segmentEvaluator) findSegmentUser(
segmentIDs []string,
userID string,
state featureproto.SegmentUser_State,
segmentUsers []*featureproto.SegmentUser,
) bool {
for _, segmentID := range segmentIDs {
if !e.containsSegmentUser(segmentID, userID, state, segmentUsers) {
return false
}
}
return true
}
func (e *segmentEvaluator) containsSegmentUser(
segmentID, userID string,
state featureproto.SegmentUser_State,
segmentUsers []*featureproto.SegmentUser,
) bool {
for _, user := range segmentUsers {
if user.SegmentId != segmentID {
continue
}
if user.UserId != userID {
continue
}
if user.State != state {
continue
}
return true
}
return false
}