simplify and fix checking package versions

Previously some outdated packages would just say "Re-Install" and not
"Update", now that's fixed, along with making the logic easier for use
in the mod list.

2 files changed, 47 insertions, 9 deletions

diff --git a/src/app/js/browser.js b/src/app/js/browser.js
index cfd0c03..fcb79a2 100644
--- a/src/app/js/browser.js
+++ b/src/app/js/browser.js
@@ -328,12 +328,8 @@ function BrowserEl(properties) {
 	if (normalized_mods.includes(normalize(properties.title))) {
 		installstr = lang("gui.browser.reinstall");
 
-		for (let i = 0; i < modsobj.all.length; i++) {
-			if (normalize(modsobj.all[i].Name) == normalize(properties.title)
-				&& "v" + modsobj.all[i].Version != properties.version) {
-				
-				installstr = lang("gui.browser.update");
-			}
+		if (version.is_newer(properties.version, modsobj.all[i].Version)) {
+			installstr = lang("gui.browser.update");
 		}
 	} else {
 		for (let i = 0; i < modsobj.all.length; i++) {
@@ -347,9 +343,7 @@ function BrowserEl(properties) {
 			if (title.includes(folder) || title.includes(manifestname)) {
 				installstr = lang("gui.browser.reinstall");
 
-				if (folder == title
-					&& "v" + modsobj.all[i].Version != properties.version) {
-					
+				if (version.is_newer(properties.version, modsobj.all[i].Version)) {
 					installstr = lang("gui.browser.update");
 				}
 			}
diff --git a/src/app/js/misc.js b/src/app/js/misc.js
new file mode 100644
index 0000000..b35f239
--- /dev/null
+++ b/src/app/js/misc.js
@@ -0,0 +1,44 @@
+version = {
+	is_newer: (version1, version2) => {
+		version1 = version.format(version1, true).split(".");
+		version2 = version.format(version2, true).split(".");
+
+		for (let i = 0; i < version1.length; i++) {
+
+
+			let nums = [
+				parseInt(version1[i]) || 0,
+				parseInt(version2[i]) || 0
+			];
+			if (nums[0] > nums[1]) {
+				return true;
+			} else if (nums[0] < nums[1]) {
+				return false;
+			}
+		}
+
+		return false;
+	},
+	format: (version_number, no_leading_v) => {
+		version_number = version_number.trim();
+
+		if (no_leading_v) {
+			if (version_number[0] == "v") {
+				return version_number.slice(1, version_number.length);
+			}
+
+			return version_number;
+			if (no_leading_v) {
+				return version_number
+			}
+
+			return "v" + version_number;
+		} else {
+			if (version_number[0] != "v") {
+				return "v" + version_number;
+			}
+		}
+
+		return version_number;
+	}
+}