Task #26 - Created general layout for exporting to html

app/controllers/Export.controller.js

@@ -79,6 +79,47 @@ class Export extends Controller {
             return x.Value.Value
         }).join('\n')
     }
+    async html_export(req, res) {
+        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 temp_dir = path.resolve(os.tmpdir(), uuid())
+
+        await fs.mkdir(temp_dir)
+        this._html_recurse(page0, temp_dir)
+
+        const exec = require('child_process').exec;
+        exec('zip -r ' + path.resolve(temp_dir, 'archive.zip') + ' ' + path.resolve(temp_dir), (error) => {
+            if (error) {
+                console.error(`exec error: ${error}`);
+                return res.error(500);
+                return;
+            }
+
+            return res.sendFile(`${path.resolve(temp_dir, 'archive.zip')}`)
+        })
+    }
+    async _html_recurse(root, temp_dir) { //recursive function for creating directory and generating html 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) {
+            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)
+            }
+        }
+    }
+    async _generate_html(page) { //generate html
+        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')
+    }
 }
 
 module.exports = exports = Export

app/models/api/Node.model.js

@@ -30,6 +30,25 @@ class Node extends Model {
 		return this.belongs_to_one(Page, "PageId", "_id")
 	}
 
+	to_html() {
+		switch(this.Type){
+			case 'paragraph':
+				return '<p>' + this.Value.Value + '</p>'
+			case 'header1':
+				return '<h1>' + this.Value.Value + '</h1>'
+			case 'header2':
+				return '<h2>' + this.Value.Value + '</h2>'
+			case 'header3':
+				return '<h3>' + this.Value.Value + '</h3>'
+			case 'header4':
+				return '<h4>' + this.Value.Value + '</h4>'
+			case 'block_code':
+				return '<pre><code>' + this.Value.Value + '</code></pre>'
+			case 'click_link':
+				return '<a href="' + this.Value.Value + '">' + this.Value.Value + '</a>'
+		}
+	}
+
 	update_from_raw(data) {
 		if ( data.Type ) this.Type = data.Type
 		if ( data.Value ) this.Value = data.Value

app/routing/routers/index.routes.js

@@ -47,7 +47,8 @@ const index = {
         '/dash': [ 'controller::Home.welcome' ],
         '/login': [ 'middleware::auth:GuestOnly', 'controller::Home.get_login' ],
         '/test-json' : [ 'controller::Export.json_export' ],
-        '/test-markdown' : [ 'controller::Export.markdown_export' ]
+        '/test-markdown' : [ 'controller::Export.markdown_export' ],
+        '/test-html' : [ 'controller::Export.html_export' ]
     },
 
     /*