| @@ -1,417 +0,0 @@ |
| 1 | import Foundation |
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| 2 | import os |
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| 3 | |
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| 4 | private let inboxListLogger = Logger(subsystem: "net.cleberg.Hutch", category: "InboxList") |
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| 5 | |
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| 6 | private struct InboxSubscriptionsResponse: Decodable, Sendable { |
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| 7 | let subscriptions: InboxSubscriptionPage |
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| 8 | } |
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| 9 | |
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| 10 | private struct InboxSubscriptionPage: Decodable, Sendable { |
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| 11 | let results: [InboxActivitySubscription] |
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| 12 | let cursor: String? |
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| 13 | } |
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| 14 | |
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| 15 | private struct InboxActivitySubscription: Decodable, Sendable { |
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| 16 | let id: Int |
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| 17 | let created: Date |
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| 18 | let list: InboxMailingListReference? |
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| 19 | |
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| 20 | enum CodingKeys: String, CodingKey { |
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| 21 | case id |
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| 22 | case created |
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| 23 | case list |
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| 24 | } |
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| 25 | } |
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| 26 | |
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| 27 | private struct InboxListThreadsResponse: Decodable, Sendable { |
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| 28 | let list: InboxMailingListThreads |
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| 29 | } |
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| 30 | |
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| 31 | private struct InboxMailingListThreads: Decodable, Sendable { |
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| 32 | let threads: InboxThreadPage |
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| 33 | } |
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| 34 | |
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| 35 | private struct InboxThreadPage: Decodable, Sendable { |
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| 36 | let results: [InboxThreadPayload] |
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| 37 | let cursor: String? |
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| 38 | } |
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| 39 | |
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| 40 | private struct InboxThreadPayload: Decodable, Sendable { |
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| 41 | let created: Date |
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| 42 | let updated: Date |
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| 43 | let subject: String |
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| 44 | let replies: Int |
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| 45 | let sender: Entity |
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| 46 | let root: InboxEmailPreview |
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| 47 | } |
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| 48 | |
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| 49 | private struct InboxEmailPreview: Decodable, Sendable { |
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| 50 | let id: Int |
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| 51 | let subject: String |
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| 52 | let date: Date? |
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| 53 | let received: Date |
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| 54 | let messageID: String |
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| 55 | let body: String |
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| 56 | let patch: InboxPatchPreview? |
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| 57 | } |
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| 58 | |
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| 59 | enum InboxThreadFilter: String, CaseIterable, Sendable { |
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| 60 | case all = "All" |
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| 61 | case patches = "Patches" |
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| 62 | case discussions = "Talk" |
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| 63 | } |
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| 64 | |
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| 65 | @Observable |
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| 66 | @MainActor |
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| 67 | final class InboxViewModel { |
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| 68 | private(set) var threads: [InboxThreadSummary] = [] |
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| 69 | private(set) var isLoading = false |
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| 70 | var error: String? |
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| 71 | var filter: InboxThreadFilter = .all |
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| 72 | var searchText = "" |
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| 73 | |
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| 74 | private let client: SRHTClient |
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| 75 | private let defaults: UserDefaults |
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| 76 | private let accountID: String |
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| 77 | private let listThreadFetchLimit = 10 |
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| 78 | private let listFetchConcurrencyLimit = 4 |
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| 79 | |
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| 80 | private static let subscriptionsQuery = """ |
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| 81 | query inboxSubscriptions($cursor: Cursor) { |
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| 82 | subscriptions(cursor: $cursor) { |
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| 83 | results { |
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| 84 | ... on MailingListSubscription { |
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| 85 | id |
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| 86 | created |
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| 87 | list { |
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| 88 | id |
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| 89 | rid |
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| 90 | name |
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| 91 | owner { canonicalName } |
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| 92 | } |
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| 93 | } |
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| 94 | } |
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| 95 | cursor |
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| 96 | } |
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| 97 | } |
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| 98 | """ |
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| 99 | |
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| 100 | private static let listThreadsQuery = """ |
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| 101 | query inboxListThreads($rid: ID!, $cursor: Cursor) { |
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| 102 | list(rid: $rid) { |
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| 103 | threads(cursor: $cursor) { |
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| 104 | results { |
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| 105 | created |
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| 106 | updated |
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| 107 | subject |
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| 108 | replies |
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| 109 | sender { canonicalName } |
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| 110 | root { |
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| 111 | id |
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| 112 | subject |
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| 113 | date |
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| 114 | received |
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| 115 | messageID |
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| 116 | body |
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| 117 | patch { subject } |
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| 118 | } |
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| 119 | } |
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| 120 | cursor |
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| 121 | } |
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| 122 | } |
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| 123 | } |
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| 124 | """ |
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| 125 | |
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| 126 | init(client: SRHTClient, defaults: UserDefaults, accountID: String) { |
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| 127 | self.client = client |
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| 128 | self.defaults = defaults |
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| 129 | self.accountID = accountID |
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| 130 | } |
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| 131 | |
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| 132 | func loadThreads() async { |
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| 133 | guard !isLoading else { return } |
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| 134 | isLoading = true |
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| 135 | error = nil |
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| 136 | defer { isLoading = false } |
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| 137 | |
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| 138 | do { |
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| 139 | let subscriptions = try await fetchSubscriptions() |
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| 140 | let mailingLists = deduplicateMailingLists(subscriptions.compactMap(\.list)) |
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| 141 | let fetchedThreads = try await fetchThreads(for: mailingLists) |
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| 142 | threads = fetchedThreads |
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| 143 | .filter(\.isUnread) |
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| 144 | .sorted { lhs, rhs in |
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| 145 | if lhs.lastActivityAt == rhs.lastActivityAt { |
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| 146 | return lhs.subject.localizedCaseInsensitiveCompare(rhs.subject) == .orderedAscending |
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| 147 | } |
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| 148 | return lhs.lastActivityAt > rhs.lastActivityAt |
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| 149 | } |
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| 150 | NeedsAttentionSnapshotStore.update(unreadInboxThreads: threads.count, accountID: accountID) |
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| 151 | } catch { |
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| 152 | inboxListLogger.error("Inbox request failed") |
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| 153 | self.error = "Failed to load inbox" |
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| 154 | } |
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| 155 | } |
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| 156 | |
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| 157 | func markThreadRead(_ thread: InboxThreadSummary) { |
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| 158 | let viewedAt = max(Date(), thread.lastActivityAt) |
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| 159 | InboxReadStateStore.markViewed(viewedAt, for: thread.id, defaults: defaults) |
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| 160 | threads.removeAll { $0.id == thread.id } |
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| 161 | NeedsAttentionSnapshotStore.adjustUnreadInboxThreads(by: -1, accountID: accountID) |
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| 162 | } |
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| 163 | |
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| 164 | func markAllThreadsRead() { |
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| 165 | guard !threads.isEmpty else { return } |
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| 166 | |
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| 167 | let viewedAt = Date() |
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| 168 | for thread in threads where thread.isUnread { |
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| 169 | InboxReadStateStore.markViewed(max(viewedAt, thread.lastActivityAt), for: thread.id, defaults: defaults) |
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| 170 | } |
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| 171 | |
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| 172 | threads.removeAll { $0.isUnread } |
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| 173 | NeedsAttentionSnapshotStore.update(unreadInboxThreads: threads.count, accountID: accountID) |
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| 174 | } |
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| 175 | |
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| 176 | func markThreadUnread(_ thread: InboxThreadSummary) { |
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| 177 | InboxReadStateStore.markUnread(for: thread.id, defaults: defaults) |
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| 178 | updateThread(thread, isUnread: true) |
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| 179 | NeedsAttentionSnapshotStore.adjustUnreadInboxThreads(by: 1, accountID: accountID) |
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| 180 | } |
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| 181 | |
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| 182 | func toggleThreadReadState(_ thread: InboxThreadSummary) { |
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| 183 | if thread.isUnread { |
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| 184 | markThreadRead(thread) |
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| 185 | } else { |
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| 186 | markThreadUnread(thread) |
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| 187 | } |
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| 188 | } |
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| 189 | |
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| 190 | func thread(withID id: InboxThreadSummary.ID) -> InboxThreadSummary? { |
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| 191 | threads.first(where: { $0.id == id }) |
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| 192 | } |
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| 193 | |
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| 194 | var filteredThreads: [InboxThreadSummary] { |
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| 195 | let filteredByKind = Self.filterThreads(threads, filter: filter) |
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| 196 | let q = searchText.trimmingCharacters(in: .whitespacesAndNewlines).lowercased() |
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| 197 | guard !q.isEmpty else { return filteredByKind } |
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| 198 | return filteredByKind.filter { |
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| 199 | $0.displaySubject.lowercased().contains(q) || |
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| 200 | $0.listName.lowercased().contains(q) || |
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| 201 | $0.latestSender.canonicalName.lowercased().contains(q) |
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| 202 | } |
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| 203 | } |
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| 204 | |
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| 205 | var hasUnreadThreads: Bool { |
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| 206 | threads.contains(where: \.isUnread) |
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| 207 | } |
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| 208 | |
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| 209 | private func fetchSubscriptions() async throws -> [InboxActivitySubscription] { |
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| 210 | var subscriptions: [InboxActivitySubscription] = [] |
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| 211 | var cursor: String? |
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| 212 | |
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| 213 | while true { |
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| 214 | var variables: [String: any Sendable] = [:] |
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| 215 | if let cursor { |
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| 216 | variables["cursor"] = cursor |
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| 217 | } |
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| 218 | |
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| 219 | let response = try await client.execute( |
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| 220 | service: .lists, |
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| 221 | query: Self.subscriptionsQuery, |
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| 222 | variables: variables.isEmpty ? nil : variables, |
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| 223 | responseType: InboxSubscriptionsResponse.self |
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| 224 | ) |
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| 225 | |
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| 226 | subscriptions.append(contentsOf: response.subscriptions.results) |
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| 227 | guard let nextCursor = response.subscriptions.cursor else { |
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| 228 | break |
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| 229 | } |
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| 230 | cursor = nextCursor |
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| 231 | } |
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| 232 | |
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| 233 | return subscriptions |
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| 234 | } |
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| 235 | |
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| 236 | private func fetchThreads(for mailingLists: [InboxMailingListReference]) async throws -> [InboxThreadSummary] { |
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| 237 | guard !mailingLists.isEmpty else { return [] } |
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| 238 | |
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| 239 | var summaries: [InboxThreadSummary] = [] |
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| 240 | var startIndex = mailingLists.startIndex |
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| 241 | var failureMessages: [String] = [] |
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| 242 | |
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| 243 | while startIndex < mailingLists.endIndex { |
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| 244 | let endIndex = mailingLists.index( |
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| 245 | startIndex, |
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| 246 | offsetBy: listFetchConcurrencyLimit, |
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| 247 | limitedBy: mailingLists.endIndex |
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| 248 | ) ?? mailingLists.endIndex |
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| 249 | let batch = Array(mailingLists[startIndex..<endIndex]) |
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| 250 | |
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| 251 | let batchResult = await withTaskGroup(of: ([InboxThreadSummary], String?).self) { group in |
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| 252 | for mailingList in batch { |
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| 253 | group.addTask { |
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| 254 | do { |
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| 255 | return (try await self.fetchThreads(for: mailingList), nil) |
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| 256 | } catch { |
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| 257 | return ([], "rid=\(mailingList.rid) error=\(error.localizedDescription)") |
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| 258 | } |
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| 259 | } |
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| 260 | } |
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| 261 | |
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| 262 | var batchSummaries: [InboxThreadSummary] = [] |
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| 263 | var batchFailures: [String] = [] |
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| 264 | for await result in group { |
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| 265 | batchSummaries.append(contentsOf: result.0) |
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| 266 | if let failure = result.1 { |
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| 267 | batchFailures.append(failure) |
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| 268 | } |
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| 269 | } |
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| 270 | return (batchSummaries, batchFailures) |
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| 271 | } |
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| 272 | |
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| 273 | summaries.append(contentsOf: batchResult.0) |
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| 274 | failureMessages.append(contentsOf: batchResult.1) |
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| 275 | for failure in batchResult.1 { |
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| 276 | inboxListLogger.error("Inbox thread list request failed: \(failure, privacy: .private)") |
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| 277 | } |
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| 278 | startIndex = endIndex |
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| 279 | } |
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| 280 | |
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| 281 | if summaries.isEmpty, let firstFailure = failureMessages.first { |
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| 282 | throw SRHTError.graphQLErrors([GraphQLError(message: firstFailure, locations: nil)]) |
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| 283 | } |
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| 284 | |
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| 285 | return deduplicateThreads(summaries) |
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| 286 | } |
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| 287 | |
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| 288 | private func fetchThreads(for mailingList: InboxMailingListReference) async throws -> [InboxThreadSummary] { |
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| 289 | let response = try await client.execute( |
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| 290 | service: .lists, |
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| 291 | query: Self.listThreadsQuery, |
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| 292 | variables: ["rid": mailingList.rid], |
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| 293 | responseType: InboxListThreadsResponse.self |
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| 294 | ) |
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| 295 | |
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| 296 | return response.list.threads.results.prefix(listThreadFetchLimit).map { thread in |
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| 297 | let groupingKey = "\(mailingList.rid)#\(thread.subject.replacingOccurrences(of: #"\s+"#, with: " ", options: .regularExpression).trimmingCharacters(in: .whitespacesAndNewlines).replacingOccurrences(of: #"^(?:(?:re|fwd?)\s*:\s*)+"#, with: "", options: [.regularExpression, .caseInsensitive]).lowercased())" |
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| 298 | let isUnread = InboxReadStateStore.isUnread(threadID: groupingKey, lastActivityAt: thread.updated, defaults: defaults) |
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| 299 | return InboxThreadSummary( |
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| 300 | rootEmailID: thread.root.id, |
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| 301 | rootMessageID: thread.root.messageID, |
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| 302 | threadRootEmailIDs: [thread.root.id], |
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| 303 | threadRootMessageIDs: [thread.root.messageID], |
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| 304 | listID: mailingList.id, |
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| 305 | listRID: mailingList.rid, |
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| 306 | listName: mailingList.name, |
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| 307 | listOwner: mailingList.owner, |
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| 308 | subject: thread.subject, |
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| 309 | latestSender: thread.sender, |
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| 310 | lastActivityAt: thread.updated, |
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| 311 | messageCount: thread.replies + 1, |
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| 312 | repo: Self.deriveRepositoryName(from: mailingList.name), |
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| 313 | containsPatch: thread.root.patch != nil || thread.subject.localizedCaseInsensitiveContains("[patch"), |
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| 314 | isUnread: isUnread |
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| 315 | ) |
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| 316 | } |
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| 317 | } |
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| 318 | |
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| 319 | private func deduplicateThreads(_ threads: [InboxThreadSummary]) -> [InboxThreadSummary] { |
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| 320 | var grouped: [String: InboxThreadSummary] = [:] |
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| 321 | |
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| 322 | for thread in threads { |
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| 323 | guard let existing = grouped[thread.threadGroupingKey] else { |
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| 324 | grouped[thread.threadGroupingKey] = thread |
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| 325 | continue |
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| 326 | } |
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| 327 | |
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| 328 | let latest = thread.lastActivityAt >= existing.lastActivityAt ? thread : existing |
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| 329 | let mergedRootEmailIDs = Array(Set(existing.threadRootEmailIDs + thread.threadRootEmailIDs)).sorted() |
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| 330 | let mergedRootMessageIDs = Array(Set(existing.threadRootMessageIDs + thread.threadRootMessageIDs)).sorted() |
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| 331 | let mergedMessageCount = max( |
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| 332 | existing.messageCount ?? existing.threadRootMessageIDs.count, |
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| 333 | thread.messageCount ?? thread.threadRootMessageIDs.count, |
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| 334 | mergedRootMessageIDs.count |
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| 335 | ) |
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| 336 | |
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| 337 | grouped[thread.threadGroupingKey] = InboxThreadSummary( |
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| 338 | rootEmailID: latest.rootEmailID, |
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| 339 | rootMessageID: latest.rootMessageID, |
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| 340 | threadRootEmailIDs: mergedRootEmailIDs, |
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| 341 | threadRootMessageIDs: mergedRootMessageIDs, |
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| 342 | listID: latest.listID, |
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| 343 | listRID: latest.listRID, |
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| 344 | listName: latest.listName, |
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| 345 | listOwner: latest.listOwner, |
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| 346 | subject: latest.subject, |
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| 347 | latestSender: latest.latestSender, |
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| 348 | lastActivityAt: max(existing.lastActivityAt, thread.lastActivityAt), |
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| 349 | messageCount: mergedMessageCount, |
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| 350 | repo: latest.repo ?? existing.repo, |
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| 351 | containsPatch: latest.containsPatch || existing.containsPatch, |
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| 352 | isUnread: latest.isUnread || existing.isUnread |
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| 353 | ) |
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| 354 | } |
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| 355 | |
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| 356 | return grouped.values.sorted { lhs, rhs in |
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| 357 | if lhs.lastActivityAt == rhs.lastActivityAt { |
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| 358 | return lhs.displaySubject.localizedCaseInsensitiveCompare(rhs.displaySubject) == .orderedAscending |
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| 359 | } |
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| 360 | return lhs.lastActivityAt > rhs.lastActivityAt |
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| 361 | } |
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| 362 | } |
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| 363 | |
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| 364 | private func updateThread(_ thread: InboxThreadSummary, isUnread: Bool) { |
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| 365 | guard let index = threads.firstIndex(where: { $0.id == thread.id }) else { return } |
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| 366 | let current = threads[index] |
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| 367 | if !isUnread { |
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| 368 | threads.remove(at: index) |
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| 369 | return |
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| 370 | } |
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| 371 | threads[index] = InboxThreadSummary( |
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| 372 | rootEmailID: current.rootEmailID, |
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| 373 | rootMessageID: current.rootMessageID, |
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| 374 | threadRootEmailIDs: current.threadRootEmailIDs, |
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| 375 | threadRootMessageIDs: current.threadRootMessageIDs, |
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| 376 | listID: current.listID, |
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| 377 | listRID: current.listRID, |
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| 378 | listName: current.listName, |
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| 379 | listOwner: current.listOwner, |
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| 380 | subject: current.subject, |
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| 381 | latestSender: current.latestSender, |
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| 382 | lastActivityAt: current.lastActivityAt, |
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| 383 | messageCount: current.messageCount, |
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| 384 | repo: current.repo, |
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| 385 | containsPatch: current.containsPatch, |
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| 386 | isUnread: isUnread |
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| 387 | ) |
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| 388 | } |
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| 389 | |
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| 390 | private func deduplicateMailingLists(_ mailingLists: [InboxMailingListReference]) -> [InboxMailingListReference] { |
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| 391 | var seen = Set<String>() |
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| 392 | return mailingLists.filter { mailingList in |
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| 393 | seen.insert(mailingList.rid).inserted |
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| 394 | } |
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| 395 | } |
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| 396 | |
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| 397 | nonisolated static func deriveRepositoryName(from listName: String) -> String? { |
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| 398 | let separators = ["-devel", "-patches", "-dev", ".patches"] |
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| 399 | for separator in separators where listName.hasSuffix(separator) { |
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| 400 | return String(listName.dropLast(separator.count)) |
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| 401 | } |
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| 402 | return nil |
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| 403 | } |
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| 404 | |
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| 405 | nonisolated static func filterThreads(_ threads: [InboxThreadSummary], filter: InboxThreadFilter) -> [InboxThreadSummary] { |
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| 406 | threads.filter { thread in |
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| 407 | switch filter { |
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| 408 | case .all: |
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| 409 | return true |
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| 410 | case .patches: |
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| 411 | return thread.containsPatch |
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| 412 | case .discussions: |
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| 413 | return !thread.containsPatch |
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| 414 | } |
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| 415 | } |
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| 416 | } |
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| 417 | } |
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