From 2b27b55f40902763b4721ee58139609dd630dae3 Mon Sep 17 00:00:00 2001
From: Johann Hoffmann <ma0646@technikum-wien.at>
Date: Tue, 11 Feb 2025 15:05:22 +0100
Subject: [PATCH] attempt sanitizing raum content when content is just h1 + img
 tag; sanitize tables on raum contents sites

---
 .../Cms/Content_types/Raum_contentmittitel.js | 85 ++++++++++++++++++-
 1 file changed, 81 insertions(+), 4 deletions(-)

diff --git a/public/js/components/Cis/Cms/Content_types/Raum_contentmittitel.js b/public/js/components/Cis/Cms/Content_types/Raum_contentmittitel.js
index 5e3bdb2ad..6f920e007 100644
--- a/public/js/components/Cis/Cms/Content_types/Raum_contentmittitel.js
+++ b/public/js/components/Cis/Cms/Content_types/Raum_contentmittitel.js
@@ -1,6 +1,11 @@
 
 export default {
 	name: "RaumComponent",
+	data() {
+		return {
+			imgContent: null
+		}
+	},
     props:{
       content:{
           type:String,
@@ -10,11 +15,64 @@ export default {
 		type:Number,
 	  }
     },
+	methods: {
+		sanitizeLegacyTables(table) {
+
+			// find nested tables and replace with p element
+			const tt = table.querySelectorAll('table')
+			tt.forEach(t => {
+				const textContent = t.textContent.trim();
+				const pElement = document.createElement('p');
+				pElement.textContent = textContent;
+				t.parentNode.replaceChild(pElement, t);
+			})
+
+			// find unordered lists, traverse li childs and replace with p element -> more readable than 1 p tag for ul
+			const ul = table.querySelectorAll('ul')
+			ul.forEach(u => {
+				Array.from(u.children).forEach(li => {
+					const p = document.createElement('p');
+					p.textContent = li.textContent
+					u.parentNode.appendChild(p)
+				})
+				u.parentNode.removeChild(u)
+
+			})
+
+			// find bare text nodes and put into p element
+			const td = Array.from(table.querySelectorAll('td')).filter(el => el.scrollWidth > 100)
+			td.forEach(element => {
+				if (element.firstChild?.nodeType === Node.TEXT_NODE && element.firstChild.length > 10) {
+					const p = document.createElement('p');
+					p.appendChild(element.firstChild)
+					element.appendChild(p);
+				}
+			});
+
+			// flatten nested th elements
+			const ths = Array.from(table.querySelectorAll('th'))
+			ths.forEach(th => {
+
+				if(th.children.length > 1) {
+					th.innerHTML = Array.from(th.childNodes).find(cn => cn.textContent).textContent
+				}
+			})
+
+			// let p elements wrap on overflow
+			const p = table.querySelectorAll('p')
+			p.forEach(p => {
+				p.style.setProperty('word-wrap', 'break-word');
+				p.style.setProperty('white-space', 'normal');
+				p.style.setProperty('max-width', '400px');
+			})
+		}
+	},
     mounted(){
 		// replaces the tablesorter with the tabulator
 		let tables = document.getElementsByClassName("tablesorter");
-
+		
 		for (let table of tables) {
+			this.sanitizeLegacyTables(table)
 			new Tabulator(table, {
 				layout: "fitDataStretch",
 
@@ -25,11 +83,28 @@ export default {
 				}
 			})
 		}
+		
+		
+		const parser = new DOMParser()
+		const doc = parser.parseFromString(`<div>${this.content}</div>`, "text/html");
+		
+		const img = doc.querySelector("img")
+		// let img = document.getElementsByTagName("img");
+		if(img && img.title)
+		{
+			const imgAttributes = {}
+			for (let attr of img.attributes) {
+				imgAttributes[attr.name] = attr.value
+			}
 
-		// tries to wrap the Raum titel with a link tag that redirects to the Reservierungen of that Raum
+			this.imgContent = imgAttributes;  // Now it's a plain object
+			return
+		}
+		
 		let title = document.getElementsByTagName("h1");
 		title = title.length ? title[0] : null;
-		if (title) 
+		// tries to wrap the Raum titel with a link tag that redirects to the Reservierungen of that Raum
+		if (title && title.innerText) 
 		{
 			let room_name = title.innerText;
 			let room_name_reg_exp = new RegExp("\\w*\\s([a-zA-Z][0-9\\.]+)$");
@@ -56,7 +131,9 @@ export default {
     },
     template: /*html*/ `
       <!-- div that contains the content -->
-      <div v-html="content" v-if="content" ></div>
+<!--       TODO: test with more img content from cms-->
+      <div v-if="imgContent"><img v-bind="imgContent"></img></div>
+      <div v-html="content" v-else-if="content" ></div>
       <p v-else>Content was not found</p>
       `,
   };