tutorials: more blog fixes (#5657)

tutorials/code/blog/article.v

@@ -8,6 +8,6 @@ struct Article {
 
 pub fn (app &App) find_all_articles() []Article {
 	return sql app.db {
-		select from Article 
+		select from Article
 	}
 }

tutorials/code/blog/blog.sql

@@ -1,22 +0,0 @@
-create database blog;
-
-\c blog
-
-drop table articles;
-
-create table articles (
-	id serial primary key,
-	title text default '',
-	text text default ''
-);
-
-insert into articles (title, text) values (
-	'Hello, world!',
-	'V is great.'
-);
-
-insert into articles (title, text) values (
-	'Second post.',
-	'Hm... what should I write about?'
-);
-

tutorials/code/blog/blog.sqlite

@@ -0,0 +1,17 @@
+drop table Article;
+
+create table Article (
+	id integer primary key,
+	title text default "",
+	text text default ""
+);
+
+insert into Article (title, text) values (
+	"Hello, world!",
+	"V is great."
+);
+
+insert into Article (title, text) values (
+	"Second post.",
+	"Hm... what should I write about?"
+);

tutorials/code/blog/blog.v

@@ -15,26 +15,27 @@ fn main() {
 	vweb.run<App>(8081)
 }
 
-fn (mut app App) index_text() {
+/*
+fn (mut app App) index_text() vweb.Result {
 	app.vweb.text('Hello, world from vweb!')
+	return vweb.Result{}
 }
 
-/*
-fn (app &App) index_html() {
-	message := 'Hello, world from vweb!'
-	$vweb.html()
+fn (app &App) index_html() vweb.Result {
+	message := 'Hello, world from Vweb!'
+	return $vweb.html()
 }
 */
+
 fn (app &App) index() vweb.Result {
 	articles := app.find_all_articles()
 	return $vweb.html()
 }
 
 pub fn (mut app App) init_once() {
-	db := sqlite.connect(':memory:') or {
+	db := sqlite.connect('blog.db') or {
 		panic(err)
 	}
-	db.exec('create table `Article` (id integer primary key, title text default "", text text default "")')
 	app.db = db
 }
 
@@ -49,10 +50,10 @@ pub fn (mut app App) new_article() vweb.Result {
 	title := app.vweb.form['title']
 	text := app.vweb.form['text']
 	if title == '' || text == '' {
-		app.vweb.text('Empty text/titile')
+		app.vweb.text('Empty text/title')
 		return vweb.Result{}
 	}
-	article := Article{
+	article := Article {
 		title: title
 		text: text
 	}
@@ -60,7 +61,7 @@ pub fn (mut app App) new_article() vweb.Result {
 	sql app.db {
 		insert article into Article
 	}
-	return app.vweb.redirect('/article/')
+	return app.vweb.redirect('/')
 }
 
 pub fn (mut app App) articles() {

tutorials/code/blog/index.html

@@ -8,9 +8,8 @@
 			<b>@article.title</b> <br>
 			@article.text
 		</div>
+		<br>
 	@end
-	<br>
 	<a href='/new'>New article</a>
 </body>
 </html>
-