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import Foundation
struct InboxThreadSummary: Identifiable, Hashable, Sendable {
let rootEmailID: Int
let rootMessageID: String
let threadRootEmailIDs: [Int]
let threadRootMessageIDs: [String]
let listID: Int
let listRID: String
let listName: String
let listOwner: Entity
let subject: String
let latestSender: Entity
let lastActivityAt: Date
let messageCount: Int?
let repo: String?
let containsPatch: Bool
let isUnread: Bool
var id: String {
threadGroupingKey
}
var listDisplayName: String {
"\(listOwner.canonicalName)/\(listName)"
}
var displaySubject: String {
Self.normalizedSubject(from: subject)
}
var metadataLine: String {
var parts = [latestSenderDisplayName]
if let messageCount, messageCount > 1 {
let replyCount = max(messageCount - 1, 1)
parts.append("\(replyCount) repl\(replyCount == 1 ? "y" : "ies")")
}
parts.append(lastActivityAt.relativeDescription)
return parts.joined(separator: " • ")
}
var latestSenderDisplayName: String {
let canonicalName = latestSender.canonicalName.trimmingCharacters(in: .whitespacesAndNewlines)
if canonicalName.contains("@") {
return canonicalName
}
return canonicalName
}
var debugIdentifierSummary: String {
"subject=\(subject) listRID=\(listRID) listID=\(listID) rootEmailID=\(rootEmailID) rootMessageID=\(rootMessageID) groupingKey=\(threadGroupingKey)"
}
var threadGroupingKey: String {
"\(listRID)#\(Self.normalizationKey(for: subject))"
}
nonisolated static func normalizationKey(for subject: String) -> String {
normalizedSubject(from: subject).lowercased()
}
private nonisolated static func normalizedSubject(from subject: String) -> String {
let collapsedWhitespace = subject
.replacingOccurrences(of: #"\s+"#, with: " ", options: .regularExpression)
.trimmingCharacters(in: .whitespacesAndNewlines)
let pattern = #"^(?:(?:re|fwd?)\s*:\s*)+"#
return collapsedWhitespace.replacingOccurrences(
of: pattern,
with: "",
options: [.regularExpression, .caseInsensitive]
)
}
}
struct InboxMessage: Identifiable, Hashable, Sendable {
let id: Int
let author: Entity
let date: Date
let subject: String
let body: String
let senderDisplayName: String
let senderEmailAddress: String?
let isPatch: Bool
let contentBlocks: [InboxMessageContentBlock]
let rawMessageURL: URL?
}
enum InboxMessageContentBlock: Hashable, Sendable {
case plainText(String)
case diff(String)
}
struct InboxThreadDetail: Sendable {
let id: String
let rootEmailID: Int
let rootMessageID: String
let subject: String
let author: Entity
let lastActivityAt: Date
let mailto: String?
let listID: Int
let listRID: String
let listName: String
let listOwner: Entity
let messageCount: Int?
let messages: [InboxMessage]
var listDisplayName: String {
"\(listOwner.canonicalName)/\(listName)"
}
}
extension InboxThreadDetail {
var replyRecipient: String {
"\(listOwner.canonicalName)/\(listName)@lists.sr.ht"
}
var replySubject: String {
subject.lowercased().hasPrefix("re:") ? subject : "Re: \(subject)"
}
var displaySubject: String {
InboxThreadSummary(
rootEmailID: rootEmailID,
rootMessageID: rootMessageID,
threadRootEmailIDs: [rootEmailID],
threadRootMessageIDs: [rootMessageID],
listID: listID,
listRID: listRID,
listName: listName,
listOwner: listOwner,
subject: subject,
latestSender: author,
lastActivityAt: lastActivityAt,
messageCount: messageCount,
repo: nil,
containsPatch: messages.contains(where: \.isPatch),
isUnread: false
).displaySubject
}
}
struct MailComposeDraft: Sendable {
let recipients: [String]
let ccRecipients: [String]
let subject: String
let body: String
var id: String {
([subject] + recipients + ccRecipients).joined(separator: "|")
}
}
extension MailComposeDraft: Identifiable {}
struct InboxMailingListReference: Decodable, Sendable, Hashable, Identifiable {
let id: Int
let rid: String
let name: String
let owner: Entity
}
struct InboxPatchPreview: Decodable, Sendable, Hashable {
let subject: String?
}
enum InboxReadStateStore {
private static let key = "InboxThreadLastViewed"
static func lastViewedAt(for threadID: String, defaults: UserDefaults = .standard) -> Date? {
guard let dictionary = defaults.dictionary(forKey: key) as? [String: TimeInterval],
let timestamp = dictionary[threadID] else {
return nil
}
return Date(timeIntervalSince1970: timestamp)
}
static func markViewed(_ date: Date, for threadID: String, defaults: UserDefaults = .standard) {
var dictionary = defaults.dictionary(forKey: key) as? [String: TimeInterval] ?? [:]
dictionary[threadID] = date.timeIntervalSince1970
defaults.set(dictionary, forKey: key)
}
static func markUnread(for threadID: String, defaults: UserDefaults = .standard) {
var dictionary = defaults.dictionary(forKey: key) as? [String: TimeInterval] ?? [:]
dictionary.removeValue(forKey: threadID)
defaults.set(dictionary, forKey: key)
}
static func isUnread(threadID: String, lastActivityAt: Date, defaults: UserDefaults = .standard) -> Bool {
guard let lastViewedAt = lastViewedAt(for: threadID, defaults: defaults) else {
return true
}
return lastActivityAt > lastViewedAt
}
}
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