From 6ce1bb2a488802fb8c4aaa5c2b1cf3bec91428a0 Mon Sep 17 00:00:00 2001
From: pedrocx486 <pedrocx486@gmail.com>
Date: Sat, 11 Feb 2023 21:46:06 -0300
Subject: [PATCH] Post editing (from file!)

---
 public/assets/posts/hello-world.json |  8 ---
 src/App.vue                          | 88 +++++++++++++++++++++++++---
 src/file-manager.service.ts          | 52 +++++++++++++++-
 3 files changed, 129 insertions(+), 19 deletions(-)
 delete mode 100644 public/assets/posts/hello-world.json

diff --git a/public/assets/posts/hello-world.json b/public/assets/posts/hello-world.json
deleted file mode 100644
index 75fd470..0000000
--- a/public/assets/posts/hello-world.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "postTitle": "Hello World!",
-  "timestamp": "1654062776",
-  "editedTimestamp": "",
-  "postContent": "Welcome to my humble blog! This blog is hosted using a blog platform loosely based on my [ngx-dumblog](http:\/\/github.com\/pedroCX486\/ngx-dumblog) project. My intent is to make this look more and more retro with time.\r\n  \r\nAnd before you ask, it's availabe [here](http:\/\/git.pedrocx486.club\/pedrocx486\/ngx-retroblog).\r\n  \r\nFor more info (maybe), check [The Club](https:\/\/pedrocx486.club)!",
-  "filename": "hello-world",
-  "draft": false
-}
diff --git a/src/App.vue b/src/App.vue
index 44482b1..50bf55a 100755
--- a/src/App.vue
+++ b/src/App.vue
@@ -1,11 +1,17 @@
 <script setup lang="ts">
 import { computed, onMounted, ref } from 'vue';
 import { VueShowdown } from 'vue-showdown';
-import { downloadFile, parseFilename } from './file-manager.service';
-import { Archive } from './types';
+import { downloadFile, parseFilename, loadFromFile } from './file-manager.service';
+import { Archive, Post } from './types';
 import { generateTimestamp, parseTimestampToUTC, generatePostObj } from './post-utilities.service';
 import { getArchive, getPost } from './http-helper.service';
 
+// TODO:
+// Modal requesting blog install base url.
+// Fetch archive from install and show posts in a list.
+// Allow selection of posts form list and load them.
+// Save post and archive.
+
 const postTitle = ref('');
 const postContent = ref('');
 const postTimestamp = ref('');
@@ -18,12 +24,33 @@ let timestampUpdateInterval: number;
 
 const archive = ref<Archive[]>();
 
-const loadArchive = (baseUrl: string) => {
+const openLoadModal = (): void => {
+  alert('Not implemented, yet.');
+}
+
+const loadArchive = (baseUrl: string): void => {
   getArchive(baseUrl).then(res => {
     archive.value = res;
   });
 }
 
+const loadPostFromFile = (file: any): void => {
+  loadFromFile(file.target.files[0]).then((res: Post) => {
+    postTitle.value = res.postTitle;
+    postContent.value = res.postContent;
+    postTimestamp.value = res.timestamp;
+    isDraft.value = res.draft;
+
+    isEditingExisting.value = true;
+
+    clearInterval(timestampUpdateInterval);
+
+    timestampUpdateInterval = setInterval(() => {
+      editedTimestamp.value = generateTimestamp();
+    }, 33);
+  });
+}
+
 const loadPost = (baseUrl: string, filename: string): void => {
   getPost(baseUrl, filename).then(res => {
     postTitle.value = res.postTitle;
@@ -69,9 +96,6 @@ onMounted(() => {
   timestampUpdateInterval = setInterval(() => {
     postTimestamp.value = generateTimestamp();
   }, 33);
-
-  // For debugging.
-  // loadPost('localhost:3000', 'hello-world');
 });
 
 const computedFilename = computed(() => parseFilename(postTitle.value))
@@ -99,7 +123,12 @@ const computedEditedTimestamp = computed(() => parseTimestampToUTC(editedTimesta
     Created on: {{ computedTimestamp }} <br />
     <span v-if="isEditingExisting">Edited on: {{ computedEditedTimestamp }} <br /></span>
     Is it a draft? {{ isDraft? 'Yes': 'No' }}. <br />
-    <button class="btn-primary" @click="savePost">Save (ngx-retroblog format)</button>
+    <div class="footer-buttons">
+      <button class="btn-primary" @click="savePost">Save (ngx-retroblog format)</button> &nbsp;
+      <button class="btn-primary" @click="openLoadModal">Load Post (from Archive)</button> &nbsp; <br />
+      <input type="file" accept=".json" id="file-input" @change="loadPostFromFile($event)">
+      <label for="file-input">Load Post (from File)</label>
+    </div>
   </div>
 </template>
 
@@ -173,15 +202,56 @@ button {
   border-bottom: solid 1px;
 }
 
-.preview > * {
+.preview>* {
   max-width: 50vw;
   line-break: normal;
 }
 
-.preview > * p {
+.preview>* p {
   padding: 0.2rem;
 }
 
+.footer-buttons {
+  text-align: center;
+}
+
+#file-input {
+  width: 0.1px;
+  height: 0.1px;
+  opacity: 0;
+  overflow: hidden;
+  position: absolute;
+  z-index: -1;
+}
+
+#file-input+label {
+  display: inline-block;
+  cursor: pointer;
+  transition: all 0.3s ease-in-out;
+  text-decoration: none;
+  padding: 0.55rem;
+  border: none;
+  box-shadow: #000a 4px 4px;
+  color: white;
+  background-color: rgb(97, 0, 162);
+  position: absolute;
+  font-size: 0.8rem;
+  margin-top: 0.3rem;
+  width: 20.7rem;
+  text-align: center;
+  margin-left: -11.2rem;
+}
+
+#file-input:focus+label,
+#file-input+label:hover {
+  box-shadow: 0px 0px 7px rgb(97, 0, 162);
+  color: white;
+}
+
+label {
+  margin-bottom: 0 !important;
+}
+
 @media only screen and (hover: none) {
   .wrapper {
     flex-direction: column;
diff --git a/src/file-manager.service.ts b/src/file-manager.service.ts
index ea54b4d..6c6e6b8 100644
--- a/src/file-manager.service.ts
+++ b/src/file-manager.service.ts
@@ -1,3 +1,5 @@
+import { Post } from "./types";
+
 export const parseFilename = (titleToFilename: string): string => {
   if (!titleToFilename) {
     return 'None yet.'
@@ -9,11 +11,13 @@ export const parseFilename = (titleToFilename: string): string => {
     titleToFilename = titleToFilename.slice(0, -1);
   }
 
-  if (titleToFilename.length > 50) { // Limit filename size
+  // Limit filename size
+  if (titleToFilename.length > 50) {
     titleToFilename = titleToFilename.substring(0, 50);
 
     if (titleToFilename.includes('-')) {
-      titleToFilename = titleToFilename.substring(0, Math.min(titleToFilename.length, titleToFilename.lastIndexOf('-'))); // Re-trim to avoid cutting a word in half.
+      // Re-trim to avoid cutting a word in half.
+      titleToFilename = titleToFilename.substring(0, Math.min(titleToFilename.length, titleToFilename.lastIndexOf('-')));
     }
   }
 
@@ -26,4 +30,48 @@ export const downloadFile = (postObj: any, fileName: string, archiveFile?: boole
   a.setAttribute('download', archiveFile ? 'archive.json' : fileName);
   a.setAttribute('href', window.URL.createObjectURL(blob));
   a.click();
+}
+
+
+// Bad code ahead. Sail with caution!
+export const loadFromFile = (file: any): Promise<Post> => {
+  return new Promise((resolve, reject) => {
+    const reader = new FileReader();
+
+    if (!file) {
+      reject('No file!');
+    }
+
+    reader.onload = (event => {
+      const contents: any = (event.target as FileReader).result;
+
+      // Yes, this is extremely hacky.
+      const objCompare: Post = {
+        postTitle: "",
+        timestamp: "",
+        editedTimestamp: "",
+        postContent: "",
+        filename: "",
+        draft: false
+      };
+
+      // And yes, I know this is crazy but it works.
+      try {
+        if (Object.keys(JSON.parse(contents.toString())).toString() === Object.keys(objCompare).toString()) {
+          resolve(JSON.parse(contents.toString()));
+        } else {
+          alert('Invalid file! Are you sure it\'s an Dumblog compatible JSON?');
+          reject('Invalid file!');
+        }
+      } catch (e) {
+        alert('Error loading file! Check the console for more info.');
+        console.log(e);
+        reject('Error loading file!');
+      }
+    });
+
+    reader.onerror = reject;
+
+    reader.readAsText(file);
+  });
 }
\ No newline at end of file