From bae7b330f833f3d46fb594d10799437cbc2545a7 Mon Sep 17 00:00:00 2001
From: SimonGschnell <simongschnell@gmail.com>
Date: Wed, 15 Jan 2025 13:34:54 +0100
Subject: [PATCH] feature(LegacyLinkReplacementHelper.js): adds a helper file
 with multiple functions that replace relative or absolute legacy links with
 new links that use the new app_root and ci_router

---
 .../Cis/Cms/Content_types/General.js          | 15 ++--
 public/js/helpers/LegacyLinkReplaceHelper.js  | 71 +++++++++++++++++++
 2 files changed, 78 insertions(+), 8 deletions(-)
 create mode 100644 public/js/helpers/LegacyLinkReplaceHelper.js

diff --git a/public/js/components/Cis/Cms/Content_types/General.js b/public/js/components/Cis/Cms/Content_types/General.js
index 8a2c3dbd1..692843e3e 100644
--- a/public/js/components/Cis/Cms/Content_types/General.js
+++ b/public/js/components/Cis/Cms/Content_types/General.js
@@ -1,4 +1,4 @@
-
+import { replaceRelativeLegacyLink } from "../../../../helpers/LegacyLinkReplaceHelper.js"
 export default {
 	name: "GeneralComponent",
     props:{
@@ -99,13 +99,12 @@ export default {
               FHC_JS_DATA_STORAGE_OBJECT.app_root
             );
           });
-		document.querySelectorAll("[href]").forEach((el) => {
-			let original_href = el.getAttribute("href");
-			// replaces the old relative paths with the new app_root path
-			if (original_href.match(/^\.\.\/index\.ci\.php/)){
-				el.href = original_href.replace(/^\.\.\/index\.ci\.php\//,FHC_JS_DATA_STORAGE_OBJECT.app_root);
-			}			
-		});
+			
+			document.querySelectorAll("[href]").forEach((element) => {
+				let orignal_href = element.getAttribute("href");
+				let new_href = replaceRelativeLegacyLink(orignal_href);
+				element.href = new_href;
+			});
     },
     template: /*html*/ `
       <!-- div that contains the content -->
diff --git a/public/js/helpers/LegacyLinkReplaceHelper.js b/public/js/helpers/LegacyLinkReplaceHelper.js
new file mode 100644
index 000000000..ef0341269
--- /dev/null
+++ b/public/js/helpers/LegacyLinkReplaceHelper.js
@@ -0,0 +1,71 @@
+// collection of relative and absolute regex to replace legacy links
+//
+const regexList = {
+	relative:[
+		{ 
+			priority: 1, 
+			regex: new RegExp(/^\.\.\/cms\/content\.php\?content_id=([0-9]+)/),
+			replacement: FHC_JS_DATA_STORAGE_OBJECT.app_root + FHC_JS_DATA_STORAGE_OBJECT.ci_router + '/CisVue/Cms/content',
+		},
+		{ 
+			priority: 2,
+			regex: new RegExp(/^\.\.\/cms\/news\.php/),
+			replacement: FHC_JS_DATA_STORAGE_OBJECT.app_root + FHC_JS_DATA_STORAGE_OBJECT.ci_router + '/CisVue/Cms/news',
+		},
+		{ 
+			priority: 3,
+			regex: new RegExp(/^\.\.\/index\.ci\.php\//),
+			replacement: FHC_JS_DATA_STORAGE_OBJECT.app_root + FHC_JS_DATA_STORAGE_OBJECT.ci_router,
+		},
+		{ 
+			priority: 10, 
+			regex: new RegExp("/^\.\.\//"),
+			replacement: FHC_JS_DATA_STORAGE_OBJECT.app_root,
+		},
+	],
+	absolute:[
+		{}
+	]
+};
+
+// sorts the relative regex array by priority ascending
+const relative_regex = regexList.relative
+	.sort((a, b) => {
+		return a.priority - b.priority;
+	})
+	.map(regex => {
+		return {
+			regex: regex.regex, 
+			replacement: regex.replacement,
+		}
+	});
+
+// sorts the absolute regex array by priority ascending
+const absolute_regex = regexList.absolute
+	.sort((a, b) => {
+		return a.priority - b.priority;
+	})
+	.map(regex => {
+		return {
+			regex: regex.regex,
+			replacement: regex.replacement,
+		}
+	})
+
+
+export function replaceRelativeLegacyLink(relativeLegacyLink){
+	for (let {regex,replacement} of relative_regex){		
+		// if any of the regex matches the relativeLegacyLink, replace the matched part with the new app_root path
+		let match = relativeLegacyLink.match(regex);
+		if (match) {
+			let new_link = relativeLegacyLink.replace(regex, replacement);
+			for(let query_parameter of match.slice(1)){
+				new_link = new_link.concat(`/${query_parameter}`)
+			}
+			return new_link; 
+		}
+	}
+	// if none of the regex matched with the string return the original path
+	return relativeLegacyLink;
+}
+