From 8f5278eb443864910dd9c2131c992d71e3af2d20 Mon Sep 17 00:00:00 2001
From: kartofen <mladenovnasko0@gmail.com>
Date: Fri, 26 Aug 2022 23:54:17 +0300
Subject: Big bang

---
 src/lib/thread.ts | 80 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 src/lib/thread.ts

(limited to 'src/lib/thread.ts')

diff --git a/src/lib/thread.ts b/src/lib/thread.ts
new file mode 100644
index 0000000..d0a4fce
--- /dev/null
+++ b/src/lib/thread.ts
@@ -0,0 +1,80 @@
+import { writeFileSync, existsSync } from 'fs';
+import { getImg } from './image';
+import type Thread from '../models/Thread'
+
+export async function processThreadIn(board: string, thread: Thread, procComments?: false) {
+  if(!thread || !board) return;
+  let imageId: string = thread.imageId;
+
+  if(existsSync(`public/images/${imageId}`))
+	thread.imageId = `/images/${imageId}`;
+  else
+	thread.imageId = await getImg(imageId);
+
+  thread.threadText = replaceURLs(thread.threadText, board, thread.id);
+
+  if(!procComments) return;
+
+  for(let comment of thread.comments)
+  {
+    let cimageId = comment.imageId;
+    if(existsSync(`public/images/${cimageId}`))
+	  comment.imageId = `/images/${cimageId}`;
+	else
+	  comment.imageId = await getImg(cimageId);
+
+    comment.commentText = replaceURLs(comment.commentText, board, thread.id);
+  }
+}
+
+function replaceURLs(text: string, board: string, OPtid?: string): string {
+  if(!text) return;
+
+  if(OPtid) {
+    let replyRegex = /(^|[^>])>>[0-9a-fA-F]{8}\b-[0-9a-fA-F]{4}\b-[0-9a-fA-F]{4}\b-[0-9a-fA-F]{4}\b-[0-9a-fA-F]{12}/g;
+    text = text.replace(replyRegex, (id) => {
+	  let showid = id;
+	  id = id.replace(/(>|\n| )/g, '');
+	  if(id == OPtid) showid += "(OP)";
+	  // this adds the targeted class
+	  // to the target id when its hovered on
+	  // and removes it when it stops hovering
+	  return ` <a class="${id}" href="#${id}" onmouseover="document.getElementById('${id}').classList.add('targeted')" onmouseleave="document.getElementById('${id}').classList.remove('targeted')"> ${showid} </a> `;
+    });
+  }
+
+  // link to thread on other board
+  let otherthreadlinkRegex = />>>\/.*\/[0-9a-fA-F]{8}\b-[0-9a-fA-F]{4}\b-[0-9a-fA-F]{4}\b-[0-9a-fA-F]{4}\b-[0-9a-fA-F]{12}/g;
+  text = text.replace(otherthreadlinkRegex, (id) => {
+    let link = id.slice(4);
+    let parts = link.split('/');
+    let linkid = parts[1]; let board = parts[0];
+    return ` <a href="${board}/${linkid}#{linkid}"> >>>/${board}/${linkid} </a> `
+  });
+  // link to thread on this board
+  let threadlinkRegex = />>>[0-9a-fA-F]{8}\b-[0-9a-fA-F]{4}\b-[0-9a-fA-F]{4}\b-[0-9a-fA-F]{4}\b-[0-9a-fA-F]{12}/g;
+  text = text.replace(threadlinkRegex, (id) => {
+    let linkid = id.slice(3); // remove the first >>>
+    return ` <a href="../${board}/${linkid}#${linkid}"> ${id} </a> `
+  });
+  // link to another board
+  let otherboardRegex = />>>\/.*\/($|[^0-9a-fA-F])/g;
+  text = text.replace(otherboardRegex, (id) => {
+    let boardid = id.split('/')[1];
+    return ` <a href="../${boardid}"> >>>/${boardid}/ </a> `
+  });
+
+  let newlineRegex = /(\r\n|\r|\n)/g;
+  text = text.replace(newlineRegex, () => {
+	return ' <br> '
+  });
+
+  let urlRegex = /(((https?:\/\/)|(www\.))[^\s]+)/g;
+  return text.replace(urlRegex, (url) => {
+	var hyperlink = url;
+	if (!hyperlink.match('^https?:\/\/')) {
+	  hyperlink = 'http://' + hyperlink;
+	}
+	return ' <a href="' + hyperlink + '" target="_blank" rel="noopener noreferrer">' + url + '</a> '
+  });
+}
-- 
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