From 99a4593d82e0fa1dd1652e0bcdda6604d6bc2b03 Mon Sep 17 00:00:00 2001
From: Bwlok <bwlok.t@gmail.com>
Date: Thu, 30 Jan 2025 17:34:24 +0100
Subject: [PATCH] Add Update checks

Currently only working for Themes
---
 src/ui/addons/install-modal.tsx          | 77 +++++++++++++++++++++++-
 src/ui/settings/developer/index.tsx      |  7 +++
 src/utilities/compareSemanticVersions.ts | 40 ++++++++++++
 3 files changed, 122 insertions(+), 2 deletions(-)
 create mode 100644 src/utilities/compareSemanticVersions.ts

diff --git a/src/ui/addons/install-modal.tsx b/src/ui/addons/install-modal.tsx
index b5b50a7..4b3b3d4 100644
--- a/src/ui/addons/install-modal.tsx
+++ b/src/ui/addons/install-modal.tsx
@@ -5,12 +5,14 @@ import { useSettingsStore } from '@api/storage';
 import { Discord } from '@api/metro/components';
 import { showDialog } from '@api/dialogs';
 import { SocialLinks } from '@constants';
-import { showToast } from '@api/toasts';
-import { capitalize } from '@utilities';
+import Toasts, { showToast } from '@api/toasts';
 import * as managers from '@managers';
 import { View } from 'react-native';
 import { Strings } from '@api/i18n';
 import { Icons } from '@api/assets';
+import * as Managers from "@managers";
+import {createTimeoutSignal} from "@utilities";
+import { compareSemanticVersions, getHighestVersion} from "@utilities/compareSemanticVersions";
 
 
 interface InstallModalProps {
@@ -154,4 +156,75 @@ export function showInstallAlert({ type, ref }: InstallModalProps) {
 	});
 }
 
+export async function checkForUpdates() {
+	Toasts.showToast({
+		title: `Checking for Updates`,
+		duration: 2000
+	});
+	//Themes are doing weird stuff and sometimes come up multiple times
+	const existingAssets = []
+	for (const theme of window.UNBOUND_THEMES ?? []) {
+		const {manifest, bundle} = theme;
+
+		if (!(manifest.id in existingAssets)) {
+
+			if (manifest.hasOwnProperty("updates")) {
+				const origin = manifest.url.split('/');
+				origin.pop();
+				const updatesURL = new URL(manifest.updates, origin.join('/') + '/');
+
+				const updateRequest = await fetch(updatesURL, {
+					cache: 'no-cache',
+					signal: createTimeoutSignal()
+				}).catch((error) => {
+					this.logger.error('Failed to fetch bundle URL:', error.message);
+					this.emit('install-error', error);
+
+				});
+
+				if (!updateRequest) return false;
+
+				if (!updateRequest.ok) {
+					//logger doesnt wanna work :/
+					console.error(`Failed to fetch bundle URL (${updateRequest.status}: ${updateRequest.statusText ?? 'No status text.'})`);
+					continue;
+				}
+
+				const updates = await updateRequest.json();
+				const highestVer = getHighestVersion(updates);
+				const latestVersionObject = updates.find(v => v.version === highestVer); //Maybe use for later for Patchnotes
+
+				if (compareSemanticVersions(highestVer, manifest.version) > 0) {
+					showDialog({
+						title: manifest.name,
+						content: `The Theme "${manifest.name}" has an Update: \n${manifest.version}->${highestVer}\nWould you like to update?`,
+						buttons: [
+							{
+								text: "Update now",
+								onPress: () => installUpdates(manifest.url, manifest.name)
+							},
+
+						]
+					});
+				} else if (compareSemanticVersions(highestVer, manifest.version) == 0) {
+					//Check if TS is newer
+				}
+
+
+			}
+
+		}
+
+
+	}
+
+}
+
+function installUpdates(updates, name) {
+	Managers.Themes.install(updates).then(r => Toasts.showToast({
+		title: `Updated ${name}`,
+		duration: 2000
+	}));
+}
+
 export default { InstallInput, InternalInstallInput };
\ No newline at end of file
diff --git a/src/ui/settings/developer/index.tsx b/src/ui/settings/developer/index.tsx
index d052bda..adce613 100644
--- a/src/ui/settings/developer/index.tsx
+++ b/src/ui/settings/developer/index.tsx
@@ -1,3 +1,4 @@
+import {checkForUpdates} from "@ui/addons/install-modal";
 import { Section, useFormStyles } from '@ui/misc/forms';
 import { SettingsKeys, SocialLinks } from '@constants';
 import { ScrollView, View, Text } from 'react-native';
@@ -153,6 +154,12 @@ export default function Developer() {
 				})}
 				arrow
 			/>
+			<TableRow
+				label="Check for updates"
+				icon={<TableRowIcon source={Icons.Retry} />}
+				onPress={async () => await checkForUpdates()}
+				arrow
+			/>
 		</Section>
 		<View style={{ marginBottom: 50 }} />
 	</ScrollView>;
diff --git a/src/utilities/compareSemanticVersions.ts b/src/utilities/compareSemanticVersions.ts
new file mode 100644
index 0000000..b50698a
--- /dev/null
+++ b/src/utilities/compareSemanticVersions.ts
@@ -0,0 +1,40 @@
+/**
+ * @description Compares 2 semantic versions.
+ * @cases
+ * @> 0 - versionA is newer than versionB
+ * @< 0 - versionA is older than versionB
+ * @= 0 - versionA and versionB are the same
+ * @param {T extends string} versionA
+ * @param {T extends string} versionB
+ * @return {number}
+ */
+
+function compareSemanticVersions(versionA: string, versionB: string): number {
+	const [majorA, minorA, patchA] = versionA.split('.').map(Number);
+	const [majorB, minorB, patchB] = versionB.split('.').map(Number);
+
+	if (majorA !== majorB) {
+		return majorA - majorB;
+	}
+
+	if (minorA !== minorB) {
+		return minorA - minorB;
+	}
+
+	return patchA - patchB;
+}
+
+/**
+ * @description Retrieves the highest version from updates.json.
+ * @param {Array<{ version: string }>} versionsList - List of objects containing version information.
+ * @return {string | null} - The highest version found, or null if the list is empty.
+ */
+function getHighestVersion(versionsList: { version: string }[]): string | null {
+	if (versionsList.length === 0) return null;
+
+	return versionsList.reduce((highest, current) =>
+		compareSemanticVersions(highest.version, current.version) > 0 ? highest : current
+	).version;
+}
+
+export { compareSemanticVersions, getHighestVersion };
\ No newline at end of file