609 lines
24 KiB
Swift
609 lines
24 KiB
Swift
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import Foundation
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enum SignificantEventsDecodeError: Error {
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case unableToParseIntoTypedEvents
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}
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public struct SignificantEvents: Decodable {
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public let nextRvStartId: UInt?
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public let sha: String?
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private let untypedEvents: [UntypedEvent]
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public let typedEvents: [TypedEvent]
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public let summary: Summary
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enum CodingKeys: String, CodingKey {
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case nextRvStartId
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case sha
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case untypedEvents = "timeline"
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case typedEvents
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case summary
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}
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public struct Summary: Decodable {
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public let earliestTimestampString: String
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public let numChanges: UInt
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public let numUsers: UInt
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enum CodingKeys: String, CodingKey {
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case earliestTimestampString = "earliestTimestamp"
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case numChanges
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case numUsers
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}
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}
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public init(from decoder: Decoder) throws {
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let container = try decoder.container(keyedBy: CodingKeys.self)
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nextRvStartId = try? container.decode(UInt.self, forKey: .nextRvStartId)
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sha = try? container.decode(String.self, forKey: .sha)
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summary = try container.decode(Summary.self, forKey: .summary)
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let untypedEvents = try container.decode([UntypedEvent].self, forKey: .untypedEvents)
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var typedEvents: [TypedEvent] = []
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for untypedEvent in untypedEvents {
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switch untypedEvent.outputType {
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case .small:
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if let event = Event.Small(untypedEvent: untypedEvent) {
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typedEvents.append(.small(event))
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}
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case .large:
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if let event = Event.Large(untypedEvent: untypedEvent) {
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typedEvents.append(.large(event))
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}
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case .vandalismRevert:
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if let event = Event.VandalismRevert(untypedEvent: untypedEvent) {
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typedEvents.append(.vandalismRevert(event))
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}
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case .newTalkPageTopic:
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if let event = Event.NewTalkPageTopic(untypedEvent: untypedEvent) {
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typedEvents.append(.newTalkPageTopic(event))
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}
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}
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}
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// zero untyped events is a valid case if the user has paged to the end of the endpoint cache
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// unTypedEvents > 0 and typedEvents == 0 is invalid, meaning all events failed to convert
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guard typedEvents.count > 0 || untypedEvents.count == 0 else {
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throw SignificantEventsDecodeError.unableToParseIntoTypedEvents
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}
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self.typedEvents = typedEvents
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self.untypedEvents = untypedEvents
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}
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public enum SnippetType: Int, Decodable {
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case addedLine = 1
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case addedAndDeletedInLine = 3
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case addedAndDeletedInMovedLine = 5
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}
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public enum EventOutputType: String, Decodable {
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case large = "large-change"
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case small = "small-change"
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case newTalkPageTopic = "new-talk-page-topic"
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case vandalismRevert = "vandalism-revert"
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}
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public enum ChangeOutputType: String, Decodable {
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case addedText = "added-text"
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case deletedText = "deleted-text"
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case newTemplate = "new-template"
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}
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public enum TypedEvent {
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case large(Event.Large)
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case small(Event.Small)
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case vandalismRevert(Event.VandalismRevert)
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case newTalkPageTopic(Event.NewTalkPageTopic)
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}
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public enum TypedChange {
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case addedText(Change.AddedText)
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case deletedText(Change.DeletedText)
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case newTemplate(Change.NewTemplates)
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}
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}
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// MARK: Events
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public extension SignificantEvents {
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struct Event {
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public struct Large {
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let outputType: EventOutputType
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public let revId: UInt
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public let parentId: UInt
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public let timestampString: String
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public let user: String
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public let userId: UInt
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public let userGroups: [String]?
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public let userEditCount: UInt?
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public let typedChanges: [TypedChange]
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init?(untypedEvent: UntypedEvent) {
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guard let revId = untypedEvent.revId,
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let parentId = untypedEvent.parentId,
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let timestampString = untypedEvent.timestampString,
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let user = untypedEvent.user,
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let userId = untypedEvent.userId,
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let untypedChanges = untypedEvent.untypedChanges else {
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return nil
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}
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self.outputType = untypedEvent.outputType
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self.revId = revId
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self.parentId = parentId
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self.timestampString = timestampString
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self.user = user
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self.userId = userId
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self.userGroups = untypedEvent.userGroups
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self.userEditCount = untypedEvent.userEditCount
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var changes: [TypedChange] = []
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for untypedChange in untypedChanges {
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switch untypedChange.outputType {
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case .addedText:
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if let change = Change.AddedText(untypedChange: untypedChange) {
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changes.append(.addedText(change))
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}
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case .deletedText:
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if let change = Change.DeletedText(untypedChange: untypedChange) {
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changes.append(.deletedText(change))
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}
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case .newTemplate:
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if let change = Change.NewTemplates(untypedChange: untypedChange) {
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changes.append(.newTemplate(change))
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}
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}
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}
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guard changes.count == untypedChanges.count else {
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return nil
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}
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self.typedChanges = changes
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}
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}
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public struct Small: Equatable {
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let outputType: EventOutputType
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public let revId: UInt
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public let parentId: UInt
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public let timestampString: String
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fileprivate init?(untypedEvent: UntypedEvent) {
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guard let revId = untypedEvent.revId,
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let parentId = untypedEvent.parentId,
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let timestampString = untypedEvent.timestampString else {
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return nil
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}
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self.outputType = untypedEvent.outputType
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self.revId = revId
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self.parentId = parentId
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self.timestampString = timestampString
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}
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public static func == (lhs: SignificantEvents.Event.Small, rhs: SignificantEvents.Event.Small) -> Bool {
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return lhs.revId == rhs.revId
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}
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}
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public struct VandalismRevert {
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let outputType: EventOutputType
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public let revId: UInt
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public let parentId: UInt
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public let timestampString: String
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public let user: String
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public let userId: UInt
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public let sections: [String]
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public let userGroups: [String]?
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public let userEditCount: UInt?
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fileprivate init?(untypedEvent: UntypedEvent) {
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guard let revId = untypedEvent.revId,
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let parentId = untypedEvent.parentId,
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let timestampString = untypedEvent.timestampString,
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let user = untypedEvent.user,
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let userId = untypedEvent.userId,
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let sections = untypedEvent.sections else {
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return nil
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}
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self.outputType = untypedEvent.outputType
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self.revId = revId
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self.parentId = parentId
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self.timestampString = timestampString
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self.user = user
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self.userId = userId
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self.sections = sections
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self.userGroups = untypedEvent.userGroups
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self.userEditCount = untypedEvent.userEditCount
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}
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}
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public struct NewTalkPageTopic {
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let outputType: EventOutputType
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let revId: UInt
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let parentId: UInt
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public let timestampString: String
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public let user: String
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public let userId: UInt
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public let section: String?
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public let snippet: String
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public let userGroups: [String]?
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public let userEditCount: UInt?
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fileprivate init?(untypedEvent: UntypedEvent) {
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guard let revId = untypedEvent.revId,
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let parentId = untypedEvent.parentId,
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let timestampString = untypedEvent.timestampString,
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let user = untypedEvent.user,
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let userId = untypedEvent.userId,
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let snippet = untypedEvent.snippet else {
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return nil
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}
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self.outputType = untypedEvent.outputType
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self.revId = revId
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self.parentId = parentId
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self.timestampString = timestampString
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self.user = user
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self.userId = userId
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self.section = untypedEvent.section
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self.snippet = snippet
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self.userGroups = untypedEvent.userGroups
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self.userEditCount = untypedEvent.userEditCount
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}
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}
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}
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}
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// MARK: Changes
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public extension SignificantEvents {
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struct Change {
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public struct AddedText {
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let outputType: ChangeOutputType
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public let sections: [String]
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public let snippet: String?
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public let snippetType: SnippetType
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public let characterCount: UInt
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fileprivate init?(untypedChange: UntypedChange) {
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guard let snippetType = untypedChange.snippetType,
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let characterCount = untypedChange.characterCount else {
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return nil
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}
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self.outputType = untypedChange.outputType
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self.sections = untypedChange.sections
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self.snippet = untypedChange.snippet
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self.snippetType = snippetType
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self.characterCount = characterCount
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}
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}
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public struct DeletedText {
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let outputType: ChangeOutputType
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public let sections: [String]
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public let characterCount: UInt
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fileprivate init?(untypedChange: UntypedChange) {
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guard let characterCount = untypedChange.characterCount else {
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return nil
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}
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self.outputType = untypedChange.outputType
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self.sections = untypedChange.sections
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self.characterCount = characterCount
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}
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}
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public struct NewTemplates {
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let outputType: ChangeOutputType
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public let sections: [String]
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private let untypedTemplates: [[String: String]]
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public let typedTemplates: [Template]
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fileprivate init?(untypedChange: UntypedChange) {
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guard let untypedTemplates = untypedChange.untypedTemplates else {
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return nil
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}
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var typedTemplates: [Template] = []
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self.outputType = untypedChange.outputType
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self.sections = untypedChange.sections
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self.untypedTemplates = untypedTemplates
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for untypedTemplate in untypedTemplates {
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guard let name = untypedTemplate["name"] else {
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continue
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}
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if name.localizedCaseInsensitiveContains("cite") {
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if name.localizedCaseInsensitiveContains("book"), let bookCitation = Citation.Book(dict: untypedTemplate) {
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typedTemplates.append(.bookCitation(bookCitation))
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} else if name.localizedCaseInsensitiveContains("journal"), let journalCitation = Citation.Journal(dict: untypedTemplate) {
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typedTemplates.append(.journalCitation(journalCitation))
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} else if name.localizedCaseInsensitiveContains("web"), let webCitation = Citation.Website(dict: untypedTemplate) {
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typedTemplates.append(.websiteCitation(webCitation))
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} else if name.localizedCaseInsensitiveContains("news"), let newsCitation = Citation.News(dict: untypedTemplate) {
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typedTemplates.append(.newsCitation(newsCitation))
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}
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} else if name.localizedCaseInsensitiveContains("short description"), let articleDescription = ArticleDescription(dict: untypedTemplate) {
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typedTemplates.append(.articleDescription(articleDescription))
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}
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}
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self.typedTemplates = typedTemplates
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}
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}
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}
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}
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// MARK: Templates
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public extension SignificantEvents {
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enum Template {
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case bookCitation(Citation.Book)
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case articleDescription(ArticleDescription)
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case journalCitation(Citation.Journal)
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case newsCitation(Citation.News)
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case websiteCitation(Citation.Website)
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}
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struct Citation {
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// https://en.wikipedia.org/wiki/Template:Cite_book/TemplateData
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public struct Book {
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public let title: String
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public let lastName: String?
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public let firstName: String?
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public let yearPublished: String?
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public let locationPublished: String?
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public let publisher: String?
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public let pagesCited: String?
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public let isbn: String?
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init?(dict: [String: String]) {
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guard let title = dict.nonEmptyValueForKey(key: "title") else {
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return nil
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}
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self.title = title
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let batch1 = dict.nonEmptyValueForKey(key: "last") ??
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dict.nonEmptyValueForKey(key: "last1") ??
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dict.nonEmptyValueForKey(key: "author") ??
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dict.nonEmptyValueForKey(key: "author1") ??
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dict.nonEmptyValueForKey(key: "author1-last")
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let batch2 = dict.nonEmptyValueForKey(key: "author-last") ??
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dict.nonEmptyValueForKey(key: "surname1") ??
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dict.nonEmptyValueForKey(key: "author-last1") ??
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dict.nonEmptyValueForKey(key: "subject1") ??
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dict.nonEmptyValueForKey(key: "surname")
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||
|
|
let batch3 = dict.nonEmptyValueForKey(key: "author-last") ??
|
||
|
|
dict.nonEmptyValueForKey(key: "subject")
|
||
|
|
|
||
|
|
self.lastName = batch1 ?? batch2 ?? batch3
|
||
|
|
|
||
|
|
self.firstName = dict.nonEmptyValueForKey(key: "first") ??
|
||
|
|
dict.nonEmptyValueForKey(key: "given") ??
|
||
|
|
dict.nonEmptyValueForKey(key: "author-first") ??
|
||
|
|
dict.nonEmptyValueForKey(key: "first1") ??
|
||
|
|
dict.nonEmptyValueForKey(key: "given1") ??
|
||
|
|
dict.nonEmptyValueForKey(key: "author-first1") ??
|
||
|
|
dict.nonEmptyValueForKey(key: "author1-first")
|
||
|
|
|
||
|
|
self.yearPublished = dict.nonEmptyValueForKey(key: "year")
|
||
|
|
self.locationPublished = dict.nonEmptyValueForKey(key: "location") ??
|
||
|
|
dict.nonEmptyValueForKey(key: "place")
|
||
|
|
|
||
|
|
self.publisher = dict.nonEmptyValueForKey(key: "publisher") ??
|
||
|
|
dict.nonEmptyValueForKey(key: "distributor") ??
|
||
|
|
dict.nonEmptyValueForKey(key: "institution") ??
|
||
|
|
dict.nonEmptyValueForKey(key: "newsgroup")
|
||
|
|
|
||
|
|
self.pagesCited = dict.nonEmptyValueForKey(key: "pages") ??
|
||
|
|
dict.nonEmptyValueForKey(key: "pp")
|
||
|
|
|
||
|
|
self.isbn = dict.nonEmptyValueForKey(key: "isbn", caseInsensitive: true) ??
|
||
|
|
dict.nonEmptyValueForKey(key: "isbn13", caseInsensitive: true)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// https://en.wikipedia.org/wiki/Template:Cite_journal#TemplateData
|
||
|
|
public struct Journal {
|
||
|
|
public let lastName: String?
|
||
|
|
public let firstName: String?
|
||
|
|
public let sourceDateString: String?
|
||
|
|
public let title: String
|
||
|
|
public let journal: String
|
||
|
|
public let urlString: String?
|
||
|
|
public let volumeNumber: String?
|
||
|
|
public let pages: String?
|
||
|
|
public let database: String?
|
||
|
|
|
||
|
|
init?(dict: [String: String]) {
|
||
|
|
guard let title = dict.nonEmptyValueForKey(key: "title"),
|
||
|
|
let journal = dict.nonEmptyValueForKey(key: "journal") else {
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
self.title = title
|
||
|
|
self.journal = journal
|
||
|
|
|
||
|
|
self.lastName = dict.nonEmptyValueForKey(key: "last") ??
|
||
|
|
dict.nonEmptyValueForKey(key: "author") ??
|
||
|
|
dict.nonEmptyValueForKey(key: "author1") ??
|
||
|
|
dict.nonEmptyValueForKey(key: "authors") ??
|
||
|
|
dict.nonEmptyValueForKey(key: "last1")
|
||
|
|
|
||
|
|
self.firstName = dict.nonEmptyValueForKey(key: "first") ??
|
||
|
|
dict.nonEmptyValueForKey(key: "first1")
|
||
|
|
|
||
|
|
self.sourceDateString = dict.nonEmptyValueForKey(key: "date")
|
||
|
|
self.urlString = dict.nonEmptyValueForKey(key: "url", caseInsensitive: true)
|
||
|
|
self.volumeNumber = dict.nonEmptyValueForKey(key: "volume")
|
||
|
|
self.pages = dict.nonEmptyValueForKey(key: "pages")
|
||
|
|
self.database = dict.nonEmptyValueForKey(key: "via")
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// https://en.wikipedia.org/wiki/Template:Cite_news#TemplateData
|
||
|
|
public struct News {
|
||
|
|
public let lastName: String?
|
||
|
|
public let firstName: String?
|
||
|
|
public let sourceDateString: String?
|
||
|
|
public let title: String
|
||
|
|
public let urlString: String?
|
||
|
|
public let publication: String?
|
||
|
|
public let accessDateString: String?
|
||
|
|
|
||
|
|
init?(dict: [String: String]) {
|
||
|
|
guard let title = dict.nonEmptyValueForKey(key: "title") else {
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
self.title = title
|
||
|
|
self.lastName = dict.nonEmptyValueForKey(key: "last") ??
|
||
|
|
dict.nonEmptyValueForKey(key: "last1") ??
|
||
|
|
dict.nonEmptyValueForKey(key: "author") ??
|
||
|
|
dict.nonEmptyValueForKey(key: "author1") ??
|
||
|
|
dict.nonEmptyValueForKey(key: "authors")
|
||
|
|
|
||
|
|
self.firstName = dict.nonEmptyValueForKey(key: "first") ??
|
||
|
|
dict.nonEmptyValueForKey(key: "first1")
|
||
|
|
|
||
|
|
self.sourceDateString = dict.nonEmptyValueForKey(key: "date")
|
||
|
|
self.publication = dict.nonEmptyValueForKey(key: "work") ??
|
||
|
|
dict.nonEmptyValueForKey(key: "journal") ??
|
||
|
|
dict.nonEmptyValueForKey(key: "magazine") ??
|
||
|
|
dict.nonEmptyValueForKey(key: "periodical") ??
|
||
|
|
dict.nonEmptyValueForKey(key: "newspaper") ??
|
||
|
|
dict.nonEmptyValueForKey(key: "website")
|
||
|
|
|
||
|
|
self.urlString = dict.nonEmptyValueForKey(key: "url", caseInsensitive: true)
|
||
|
|
self.accessDateString = dict.nonEmptyValueForKey(key: "access-date") ?? dict.nonEmptyValueForKey(key: "accessdate")
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// https://en.wikipedia.org/wiki/Template:Cite_web#TemplateData
|
||
|
|
public struct Website {
|
||
|
|
|
||
|
|
public let urlString: String
|
||
|
|
public let title: String
|
||
|
|
public let publisher: String?
|
||
|
|
public let accessDateString: String?
|
||
|
|
public let archiveDateString: String?
|
||
|
|
public let archiveDotOrgUrlString: String?
|
||
|
|
|
||
|
|
init?(dict: [String: String]) {
|
||
|
|
guard let title = dict.nonEmptyValueForKey(key: "title"),
|
||
|
|
let urlString = dict.nonEmptyValueForKey(key: "url", caseInsensitive: true) else {
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
self.title = title
|
||
|
|
self.urlString = urlString
|
||
|
|
|
||
|
|
self.publisher = dict.nonEmptyValueForKey(key: "publisher") ??
|
||
|
|
dict.nonEmptyValueForKey(key: "website") ??
|
||
|
|
dict.nonEmptyValueForKey(key: "work")
|
||
|
|
|
||
|
|
self.accessDateString = dict.nonEmptyValueForKey(key: "access-date") ?? dict.nonEmptyValueForKey(key: "accessdate")
|
||
|
|
self.archiveDateString = dict.nonEmptyValueForKey(key: "archive-date") ?? dict.nonEmptyValueForKey(key: "archivedate")
|
||
|
|
self.archiveDotOrgUrlString = dict.nonEmptyValueForKey(key: "archive-url") ?? dict.nonEmptyValueForKey(key: "archiveurl")
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
struct ArticleDescription {
|
||
|
|
public let text: String
|
||
|
|
|
||
|
|
init?(dict: [String: String]) {
|
||
|
|
guard let text = dict.nonEmptyValueForKey(key: "1") else {
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
self.text = text
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
// MARK: Untyped
|
||
|
|
|
||
|
|
public extension SignificantEvents {
|
||
|
|
struct UntypedEvent: Decodable {
|
||
|
|
let outputType: EventOutputType
|
||
|
|
let revId: UInt?
|
||
|
|
let parentId: UInt?
|
||
|
|
let timestampString: String?
|
||
|
|
let user: String?
|
||
|
|
let userId: UInt?
|
||
|
|
let userGroups: [String]?
|
||
|
|
let userEditCount: UInt?
|
||
|
|
let count: UInt?
|
||
|
|
let sections: [String]?
|
||
|
|
let section: String?
|
||
|
|
let snippet: String?
|
||
|
|
let untypedChanges: [UntypedChange]?
|
||
|
|
|
||
|
|
enum CodingKeys: String, CodingKey {
|
||
|
|
case revId = "revid"
|
||
|
|
case parentId = "parentid"
|
||
|
|
case timestampString = "timestamp"
|
||
|
|
case outputType
|
||
|
|
case user
|
||
|
|
case userId = "userid"
|
||
|
|
case userGroups
|
||
|
|
case userEditCount
|
||
|
|
case count
|
||
|
|
case sections
|
||
|
|
case section
|
||
|
|
case snippet
|
||
|
|
case untypedChanges = "significantChanges"
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
struct UntypedChange: Decodable {
|
||
|
|
let outputType: ChangeOutputType
|
||
|
|
let sections: [String]
|
||
|
|
let snippet: String?
|
||
|
|
let snippetType: SnippetType?
|
||
|
|
let characterCount: UInt?
|
||
|
|
let untypedTemplates: [[String: String]]?
|
||
|
|
|
||
|
|
enum CodingKeys: String, CodingKey {
|
||
|
|
case outputType
|
||
|
|
case sections
|
||
|
|
case snippet
|
||
|
|
case snippetType
|
||
|
|
case characterCount
|
||
|
|
case untypedTemplates = "templates"
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private extension Dictionary where Key == String, Value == String {
|
||
|
|
func nonEmptyValueForKey(key: String, caseInsensitive: Bool = false) -> String? {
|
||
|
|
guard let key = caseInsensitive
|
||
|
|
? keys.first(where: {$0.caseInsensitiveCompare(key) == .orderedSame})
|
||
|
|
: key else {
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
if let value = self[key], !value.isEmpty {
|
||
|
|
return value
|
||
|
|
}
|
||
|
|
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
}
|