From b49458699376b18c3f5a018973669685e213ef62 Mon Sep 17 00:00:00 2001
From: LMBishop <13875753+LMBishop@users.noreply.github.com>
Date: Sun, 21 Nov 2021 22:38:00 +0000
Subject: Handle purging deleted pages

---
 app/constants.mjs |  2 +-
 app/directory.mjs | 14 +++++++++++---
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/app/constants.mjs b/app/constants.mjs
index 96068e1..e9b4730 100644
--- a/app/constants.mjs
+++ b/app/constants.mjs
@@ -2,7 +2,7 @@
 
 export const SERVER_PORT = 3000;
 export const PARSER_MAX_RECURSION = 20;
-export const PURGE_COOLDOWN_MIN = 10;
+export const PURGE_COOLDOWN_MIN = -1;
 export const PAGES_DIR = 'pages';
 export const TEMPLATE_DIR = 'pages/tempates';
 export const IMAGES_DIR = 'pages/images';
diff --git a/app/directory.mjs b/app/directory.mjs
index 1fddf23..89a6ee9 100644
--- a/app/directory.mjs
+++ b/app/directory.mjs
@@ -23,7 +23,12 @@ export function pageFor(path) {
 }
 
 export function buildPage(path) {
-    let data = readFileSync(`${PAGES_DIR}/${path}.wiki`, 'utf-8'); 
+    let data;
+    try {
+        data = readFileSync(`${PAGES_DIR}/${path}.wiki`, 'utf-8'); 
+    } catch {
+        return false;
+    }
     let result = parse(data);
     let title = result.metadata.displayTitle ?? 'Unnamed page';
     let content = `<h1>${title}</h1>${result.html}`;
@@ -35,6 +40,7 @@ export function buildPage(path) {
         displayTitle: title
     };
     pages[path] = page;
+    return true;
 }
 
 export function rebuild() {
@@ -67,8 +73,10 @@ export function purge(path) {
             return false;
         } else {
             pages[path] = {};
-            buildPage(path);
-            return true;
+            if (buildPage(path)) {
+                return true;
+            }
+            delete pages[path];
         }
     }
     return false;
-- 
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