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Project.swift
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Project.swift
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/****************************************************************************
* Copyright 2019-2020, Optimizely, Inc. and contributors *
* *
* 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. *
***************************************************************************/
import Foundation
protocol ProjectProtocol {
func evaluateAudience(audienceId: String, attributes: OptimizelyAttributes?) throws -> Bool
}
//[REF]: datafile schema
// https://github.com/optimizely/optimizely/blob/43454b726a2a8aab7dcd953999cf8e1902b09d4d/src/www/services/datafile_generator/schema.json
struct Project: Codable, Equatable {
// V2
var version: String
var projectId: String
var experiments: [Experiment]
var audiences: [Audience]
var groups: [Group]
var attributes: [Attribute]
var accountId: String
var events: [Event]
var revision: String
// V3
var anonymizeIP: Bool
// V4
var rollouts: [Rollout]
var typedAudiences: [Audience]?
var featureFlags: [FeatureFlag]
var botFiltering: Bool?
let logger = OPTLoggerFactory.getLogger()
// Required since logger in not decodable
enum CodingKeys: String, CodingKey {
// V2
case version, projectId, experiments, audiences, groups, attributes, accountId, events, revision
// V3
case anonymizeIP
// V4
case rollouts, typedAudiences, featureFlags, botFiltering
}
// Required since logger in not equatable
static func ==(lhs: Project, rhs: Project) -> Bool {
return lhs.version == rhs.version && lhs.projectId == rhs.projectId && lhs.experiments == rhs.experiments &&
lhs.audiences == rhs.audiences && lhs.groups == rhs.groups && lhs.attributes == rhs.attributes && lhs.accountId == rhs.accountId && lhs.events == rhs.events && lhs.revision == rhs.revision && lhs.anonymizeIP == rhs.anonymizeIP && lhs.rollouts == rhs.rollouts && lhs.typedAudiences == rhs.typedAudiences && lhs.featureFlags == rhs.featureFlags && lhs.botFiltering == rhs.botFiltering
}
}
extension Project: ProjectProtocol {
func evaluateAudience(audienceId: String, attributes: OptimizelyAttributes?) throws -> Bool {
guard let audience = getAudience(id: audienceId) else {
throw OptimizelyError.conditionNoMatchingAudience(audienceId)
}
logger.d { () -> String in
return LogMessage.audienceEvaluationStarted(audienceId, Utils.getConditionString(conditions: audience.conditions)).description
}
let result = try audience.evaluate(project: self, attributes: attributes)
logger.d(.audienceEvaluationResult(audienceId, result.description))
return result
}
}
// MARK: - Utils
extension Project {
func getAudience(id: String) -> Audience? {
return typedAudiences?.filter { $0.id == id }.first ??
audiences.filter { $0.id == id }.first
}
}