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