lingxia_platform/traits/update.rs
1use std::path::Path;
2
3use crate::error::PlatformError;
4
5pub trait UpdateService: Send + Sync + 'static {
6 /// Whether this platform installs host-app updates itself (download +
7 /// in-place install/relaunch). Store-delivered platforms (iOS App Store,
8 /// HarmonyOS AppGallery) return `false`: they must update through the
9 /// store, so the update flow never downloads or self-installs there.
10 ///
11 /// Defaults to `false` — opt in per platform (macOS, Android).
12 fn self_update_supported(&self) -> bool {
13 false
14 }
15
16 /// Whether this process was installed by a platform store (Play, App
17 /// Store, MAS, Microsoft Store, AppGallery). Store-installed binaries
18 /// never self-update, even when this build's yaml still says `direct`.
19 fn installed_from_store(&self) -> bool {
20 false
21 }
22
23 /// Open the platform app-store page for this app so the user can update
24 /// through the store. Used on store-delivered platforms when an update is
25 /// available. Returns `true` if a store page was opened. Defaults to
26 /// `false` (no in-app redirect; rely on the store's own update prompts).
27 fn open_update_store(&self, _update_info_json: &str) -> Result<bool, PlatformError> {
28 Ok(false)
29 }
30
31 /// Show a "new version — open the store" prompt (card / callout / tray /
32 /// alert). Confirm opens the store; the package is never downloaded.
33 /// Returns `true` when a UI was presented.
34 fn present_store_update(&self, _update_info_json: &str) -> Result<bool, PlatformError> {
35 Ok(false)
36 }
37
38 /// Requests installation of an application update from a local package file.
39 ///
40 /// This starts the platform-specific apply flow and returns once the request
41 /// is handed off to the updater helper.
42 ///
43 /// # Arguments
44 /// * `package_path` - Local, readable update package path (e.g. .apk on Android)
45 /// * `info_json` - Prompt metadata `{version, releaseNotes}` shown in the
46 /// dismissible "ready to update" prompt.
47 ///
48 /// # Platform Support / Notes
49 /// - Android: Shows the post-download "ready to install" prompt (with
50 /// release notes), then launches the system installer on confirm.
51 /// Requires `REQUEST_INSTALL_PACKAGES` and a `FileProvider` for APK sharing.
52 /// - macOS: Stages a prepared `.zip` or `.app` update, shows the
53 /// "ready to update" callout, and relaunches on the user's click.
54 /// - iOS: Not supported (App Store only).
55 /// - HarmonyOS: Not implemented (returns error).
56 fn install_update(&self, package_path: &Path, info_json: &str) -> Result<(), PlatformError> {
57 let _ = (package_path, info_json);
58 Err(PlatformError::NotSupported(
59 "install_update not implemented for this platform".to_string(),
60 ))
61 }
62}
63
64/// `storeUrl` from the store-channel prompt JSON.
65pub fn store_url_in_update_info(info_json: &str) -> Option<String> {
66 serde_json::from_str::<serde_json::Value>(info_json)
67 .ok()
68 .and_then(|value| {
69 value
70 .get("storeUrl")
71 .and_then(|v| v.as_str())
72 .map(str::trim)
73 .filter(|s| !s.is_empty())
74 .map(str::to_string)
75 })
76}