Added install instructions, and version check

2026-02-20 09:55:30 +01:00
parent 979747c1ea
commit 4acf538d8f
4 changed files with 162 additions and 4 deletions
--- a/oAI/Services/UpdateCheckService.swift
+++ b/oAI/Services/UpdateCheckService.swift
@@ -0,0 +1,93 @@
+//
+//  UpdateCheckService.swift
+//  oAI
+//
+//  Checks for new releases on GitLab and surfaces an update badge in the footer
+//
+// SPDX-License-Identifier: AGPL-3.0-or-later
+// Copyright (C) 2026 Rune Olsen
+//
+// This file is part of oAI.
+//
+// oAI is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// oAI is distributed in the hope that it will be useful, but WITHOUT
+// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General
+// Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public
+// License along with oAI. If not, see <https://www.gnu.org/licenses/>.
+
+
+import Foundation
+#if os(macOS)
+import AppKit
+#endif
+import Observation
+
+@Observable
+final class UpdateCheckService {
+    static let shared = UpdateCheckService()
+
+    var updateAvailable: Bool = false
+    var latestVersion: String? = nil
+
+    private let apiURL = "https://gitlab.pm/api/v4/projects/rune%2Foai-swift/releases"
+    private let releasesURL = URL(string: "https://gitlab.pm/rune/oai-swift/releases")!
+
+    private init() {}
+
+    /// Kick off a background update check. Silently does nothing on failure.
+    func checkForUpdates() {
+        Task {
+            await performCheck()
+        }
+    }
+
+    @MainActor
+    private func performCheck() async {
+        guard let url = URL(string: apiURL) else { return }
+
+        var request = URLRequest(url: url)
+        request.timeoutInterval = 10
+
+        guard let (data, _) = try? await URLSession.shared.data(for: request) else { return }
+        guard let releases = try? JSONSerialization.jsonObject(with: data) as? [[String: Any]],
+              let latest = releases.first,
+              let tagName = latest["tag_name"] as? String else { return }
+
+        // Strip leading "v" from tag (e.g. "v2.3.1" → "2.3.1")
+        let latestVer = tagName.hasPrefix("v") ? String(tagName.dropFirst()) : tagName
+        let currentVer = Bundle.main.infoDictionary?["CFBundleShortVersionString"] as? String ?? "0.0.0"
+
+        if isNewer(latestVer, than: currentVer) {
+            self.latestVersion = latestVer
+            self.updateAvailable = true
+        }
+    }
+
+    /// Semantic version comparison — returns true if `version` is newer than `current`.
+    private func isNewer(_ version: String, than current: String) -> Bool {
+        let lhs = version.split(separator: ".").compactMap { Int($0) }
+        let rhs = current.split(separator: ".").compactMap { Int($0) }
+        let count = max(lhs.count, rhs.count)
+        for i in 0..<count {
+            let l = i < lhs.count ? lhs[i] : 0
+            let r = i < rhs.count ? rhs[i] : 0
+            if l > r { return true }
+            if l < r { return false }
+        }
+        return false
+    }
+
+    /// Open the GitLab releases page in the default browser.
+    func openReleasesPage() {
+        #if os(macOS)
+        NSWorkspace.shared.open(releasesURL)
+        #endif
+    }
+}