Task #26 - Created functions for exporting to html and archiving the files

app/assets/export-template.html

@@ -42,6 +42,10 @@
             background-color: beige;
         }
 
+        .navsec a:hover {
+            color: rgb(207, 169, 43);
+        }
+
         .nav-link {
             color: beige;
         }
@@ -53,13 +57,9 @@
         <div class="row">
             <div class="col-sm-3 navsec">
                 <nav class="navbar navbar-dark bg-dark flex-column">
-                    <a class="navbar-brand" href="#">Navbar</a>
+                    <a class="navbar-brand" href="#">Noded</a>
                     <nav class="nav nav-pills flex-column">
-                        <a class="nav-link active" href="#item-1">Item 1</a>
+                        %%SIDEBAR%%
-                        <nav class="nav nav-pills flex-column">
-                            <a class="nav-link ml-3 my-1" href="#item-1-1">Item 1-1</a>
-                            <a class="nav-link ml-3 my-1 active" href="#item-1-2">Item 1-2</a>
-                        </nav>
                     </nav>
                 </nav>
                 </nav>
@@ -67,12 +67,12 @@
             <div class="col-sm-9 contents">
                 <div class="container">
                     <div data-spy="scroll" data-offset="0">
-                        <h4 id="item-1">Item 1</h4>
+                        %%CONTENTS%%
+                    </div>
                 </div>
             </div>
         </div>
     </div>
-    </div>
 </body>
 
 </html>

app/controllers/Export.controller.js

@@ -36,12 +36,13 @@ class Export extends Controller {
         const Page = this.models.get('api:Page')
         const Node = this.models.get('api:Node')
         const user = req.user
-        const page0 = await Page.findOne({ OrgUserId: user._id, ParentId: '0' }) //Imaginary root
+        const page0 = await user.get_root_page() //topmost page
         const temp_dir = path.resolve(os.tmpdir(), uuid())
 
         await fs.mkdir(temp_dir)
         this._markdown_recurse(page0, temp_dir)
-        
+
+        /* Archive directory */
         const exec = require('child_process').exec;
         exec('zip -r ' + path.resolve(temp_dir, 'archive.zip') + ' ' + path.resolve(temp_dir), (error) => {
             if (error) {
@@ -57,7 +58,6 @@ class Export extends Controller {
     async _markdown_recurse(root, temp_dir) { //recursive function for creating directory and generating markdown pages
         console.log('root', root)
         const Page = this.models.get('api:Page')
-        //const child = await root.childPages
         const child = await Page.find({ UUID: { $in: root.ChildPageIds } })
 
         for (const page of child) {
@@ -83,12 +83,28 @@ class Export extends Controller {
         const Page = this.models.get('api:Page')
         const Node = this.models.get('api:Node')
         const user = req.user
-        const page0 = await Page.findOne({ OrgUserId: user._id, ParentId: '0' }) //Imaginary root
+        const pages = await Page.find({ OrgUserId: user._id })
-        const temp_dir = path.resolve(os.tmpdir(), uuid())
+        const mapping = {} //keeps track of html file UUID and file name
+        const page0 = await user.get_root_page() //topmost page
 
+        for (const page of pages) {
+            const html_name = page.Name.replace(/\s/g, '_') + '.html'
+            mapping[page.UUID] = html_name
+        }
+        const sidebar_html = this._generate_sidebar(page0) //generates the sidebar contents
+        
+        const temp_dir = path.resolve(os.tmpdir(), uuid()) //make temporary directory
         await fs.mkdir(temp_dir)
-        this._html_recurse(page0, temp_dir)
 
+        /* Generates html files from template */
+        for(const page of pages) {
+            const fs = require('fs').promises
+            const contents = await fs.readFile('../assets/export-template.html')
+            const content_html = this._generate_html(page)
+            const page_html = contents.replace('%%SIDEBAR%%', sidebar_html).replace('%%CONTENTS%%', content_html)
+            await fs.writeFile(path.resolve(temp_dir, mapping[page.UUID]), page_html)
+        }
+        /* Archive directory */
         const exec = require('child_process').exec;
         exec('zip -r ' + path.resolve(temp_dir, 'archive.zip') + ' ' + path.resolve(temp_dir), (error) => {
             if (error) {
@@ -100,25 +116,21 @@ class Export extends Controller {
             return res.sendFile(`${path.resolve(temp_dir, 'archive.zip')}`)
         })
     }
-    async _html_recurse(root, temp_dir) { //recursive function for creating directory and generating html pages
+    async _generate_sidebar(root) { //generate sidebar from mapping array and root
-        console.log('root', root)
+        if (root.ChildPageIds < 1) {
-        const Page = this.models.get('api:Page')
+            return '<a class="nav-link" href="' + mapping[root.UUID] + '">' + root.Name + '</a>'
-        //const child = await root.childPages
+        } else {
-        const child = await Page.find({ UUID: { $in: root.ChildPageIds } })
+            let base = '<nav class="nav nav-pills flex-column">'
-
+            for (const childrenId of root.ChildPageIds) {
-        for (const page of child) {
+                base += this._generate_sidebar(await Page.findOne({ UUID: childrenId }))
-            const html = this._generate_html(page)
-            if (page.ChildPageIds && page.ChildPageIds.length) {
-                const sub_temp_dir = path.resolve(temp_dir, page.Name.replace(/\s/g, '_'))
-                await fs.mkdir(sub_temp_dir)
-                this._html_recurse(page, sub_temp_dir)
             }
+            return base
         }
     }
-    async _generate_html(page) { //generate html
+    async _generate_html(page) { //generate html page from page and node data
         const Node = this.models.get('api:Node')
         const nodes = await Node.find({ PageId: page.UUID })
-        return nodes.map(x => {return x.to_html()}).join('\n')
+        return nodes.map(x => { return x.to_html() }).join('\n')
     }
 }