1 files changed, 132 insertions, 0 deletions
diff --git a/Hutch/Models/Patchset.swift b/Hutch/Models/Patchset.swift
new file mode 100644
index 0000000..330bbbc
--- /dev/null
+++ b/Hutch/Models/Patchset.swift
@@ -0,0 +1,132 @@
+import Foundation
+
+/// Review state of a patchset on lists.sr.ht.
+enum PatchsetStatus: String, Codable, Sendable, CaseIterable {
+    case unknown = "UNKNOWN"
+    case proposed = "PROPOSED"
+    case needsRevision = "NEEDS_REVISION"
+    case superseded = "SUPERSEDED"
+    case approved = "APPROVED"
+    case rejected = "REJECTED"
+    case applied = "APPLIED"
+
+    var displayName: String {
+        switch self {
+        case .unknown: "Unknown"
+        case .proposed: "Proposed"
+        case .needsRevision: "Needs Revision"
+        case .superseded: "Superseded"
+        case .approved: "Approved"
+        case .rejected: "Rejected"
+        case .applied: "Applied"
+        }
+    }
+
+    var systemImage: String {
+        switch self {
+        case .unknown: "questionmark.circle"
+        case .proposed: "paperplane"
+        case .needsRevision: "exclamationmark.arrow.circlepath"
+        case .superseded: "arrow.triangle.branch"
+        case .approved: "checkmark.seal"
+        case .rejected: "xmark.circle"
+        case .applied: "checkmark.circle.fill"
+        }
+    }
+
+    /// Whether the patchset is still awaiting a decision.
+    var isOpen: Bool {
+        switch self {
+        case .unknown, .proposed, .needsRevision: true
+        case .superseded, .approved, .rejected, .applied: false
+        }
+    }
+
+    /// Statuses a reviewer can set directly.
+    ///
+    /// `unknown` is a sentinel for patchsets sr.ht could not classify, and
+    /// `superseded` is set by the server when a later version arrives, so neither
+    /// is offered as a choice.
+    static var assignable: [PatchsetStatus] {
+        [.proposed, .needsRevision, .approved, .rejected, .applied]
+    }
+}
+
+/// A patchset as it appears in a mailing list listing, derived from the thread's
+/// root email rather than a dedicated patchsets query — `MailingList` exposes no
+/// such field.
+struct PatchsetSummary: Identifiable, Hashable, Sendable {
+    let id: Int
+    let subject: String
+    let version: Int
+    let prefix: String?
+    let status: PatchsetStatus
+
+    /// The `[PATCH v2]`-style prefix sr.ht parsed from the subject, if any.
+    var versionLabel: String? {
+        guard version > 1 else { return nil }
+        return "v\(version)"
+    }
+}
+
+/// One email within a patchset: either the cover letter or a single patch.
+struct PatchsetEmail: Identifiable, Hashable, Sendable {
+    let id: Int
+    let subject: String
+    let date: Date?
+    let sender: Entity
+    /// Split into commit message and diff blocks for rendering.
+    let contentBlocks: [InboxMessageContentBlock]
+    /// Position within the series, from the `[PATCH 2/5]` prefix.
+    let index: Int?
+    let count: Int?
+
+    var seriesLabel: String? {
+        guard let index, let count, count > 1 else { return nil }
+        return "\(index)/\(count)"
+    }
+}
+
+/// A build or check reported against a patchset.
+struct PatchsetToolResult: Identifiable, Hashable, Sendable {
+    let id: Int
+    let icon: PatchsetToolIcon
+    let details: String
+}
+
+enum PatchsetToolIcon: String, Codable, Sendable {
+    case pending = "PENDING"
+    case waiting = "WAITING"
+    case success = "SUCCESS"
+    case failed = "FAILED"
+    case cancelled = "CANCELLED"
+
+    var systemImage: String {
+        switch self {
+        case .pending, .waiting: "clock"
+        case .success: "checkmark.circle.fill"
+        case .failed: "xmark.circle.fill"
+        case .cancelled: "minus.circle"
+        }
+    }
+}
+
+/// A patchset with its cover letter, patches, and review context.
+struct PatchsetDetail: Sendable {
+    let id: Int
+    let created: Date
+    let updated: Date
+    let subject: String
+    let version: Int
+    let prefix: String?
+    let status: PatchsetStatus
+    let submitter: Entity
+    let coverLetter: PatchsetEmail?
+    let patches: [PatchsetEmail]
+    /// Set when a newer version of this series exists.
+    let supersededBy: Int?
+    /// Set when this series revises an earlier one.
+    let supersedes: Int?
+    let tools: [PatchsetToolResult]
+    let mbox: URL?
+}