Make the guides page working

lib/guide.ts

@@ -4,6 +4,7 @@ import { NextApiRequest } from 'next';
 import { AuthorType, findAuthorByUsername } from './author';
 
 export type GuideType = {
+  id: string;
   title: string;
   description: string;
   url: string;
@@ -18,6 +19,19 @@ export type GuideType = {
   author?: AuthorType;
 };
 
+export function getGuideById(id: string): GuideType | undefined {
+  const allGuides = getAllGuides();
+  const foundGuide = allGuides.find(guide => guide.id === id);
+  if (!foundGuide) {
+    return undefined;
+  }
+
+  return {
+    ...foundGuide,
+    author: findAuthorByUsername(foundGuide.authorUsername)
+  };
+}
+
 export function getAllGuides(limit: number = 0): GuideType[] {
   return (guides as GuideType[])
     .filter(guide => !guide.isDraft)
@@ -29,23 +43,3 @@ export function getAllGuides(limit: number = 0): GuideType[] {
     }))
     .slice(0, limit ? limit : guides.length);
 }
-
-
-export function getRequestedGuide(req: NextApiRequest): GuideType | undefined {
-  const allGuides = getAllGuides();
-  const guide = allGuides.find(guide => guide.url === req.url);
-  if (!guide) {
-    return undefined;
-  }
-
-  try {
-    return {
-      ...guide,
-      author: findAuthorByUsername(guide.authorUsername)
-    };
-  } catch (e) {
-    console.log(e);
-  }
-
-  return undefined;
-}