Generate URL to restore settings, including subscriptions. Closes #89 (#116)

* Start recursive comments

* Update comment.html

* Fix move error

* Comment improvements

* Fix merge

* Remove extra endif from post.html

* Fix post.html

* Restore setting from link

* Tweak settings page

Co-authored-by: spikecodes <19519553+spikecodes@users.noreply.github.com>

src/main.rs

@@ -166,6 +166,7 @@ async fn main() -> tide::Result<()> {
 
 	// Configure settings
 	app.at("/settings/").get(settings::get).post(settings::set);
+	app.at("/settings/restore/").get(settings::restore);
 
 	// Subreddit services
 	// See posts and info about subreddit

src/settings.rs

@@ -12,6 +12,7 @@ struct SettingsTemplate {
 }
 
 #[derive(serde::Deserialize, Default)]
+#[serde(default)]
 pub struct SettingsForm {
 	theme: Option<String>,
 	front_page: Option<String>,
@@ -19,6 +20,8 @@ pub struct SettingsForm {
 	wide: Option<String>,
 	comment_sort: Option<String>,
 	show_nsfw: Option<String>,
+	redirect: Option<String>,
+	subscriptions: Option<String>,
 }
 
 // FUNCTIONS
@@ -56,3 +59,39 @@ pub async fn set(mut req: Request<()>) -> tide::Result {
 
 	Ok(res)
 }
+
+
+// Set cookies using response "Set-Cookie" header
+pub async fn restore(req: Request<()>) -> tide::Result {
+	let form: SettingsForm = req.query()?;
+	
+
+	let path = match form.redirect {
+		Some(value) => format!("/{}/", value),
+		None => "/".to_string()
+	};
+
+	let mut res = Response::builder(302)
+		.content_type("text/html")
+		.header("Location", path.to_owned())
+		.body(format!("Redirecting to <a href=\"{0}\">{0}</a>...", path))
+		.build();
+
+	let names = vec!["theme", "front_page", "layout", "wide", "comment_sort", "show_nsfw", "subscriptions"];
+	let values = vec![form.theme, form.front_page, form.layout, form.wide, form.comment_sort, form.show_nsfw, form.subscriptions];
+
+	for (i, name) in names.iter().enumerate() {
+		match values.get(i) {
+			Some(value) => res.insert_cookie(
+				Cookie::build(name.to_owned(), value.to_owned().unwrap_or_default())
+					.path("/")
+					.http_only(true)
+					.expires(OffsetDateTime::now_utc() + Duration::weeks(52))
+					.finish(),
+			),
+			None => res.remove_cookie(Cookie::named(name.to_owned())),
+		};
+	}
+
+	Ok(res)
+}

src/subreddit.rs

@@ -87,7 +87,7 @@ pub async fn subscriptions(req: Request<()>) -> tide::Result {
 	let query = req.url().query().unwrap_or_default().to_string();
 	let action: Vec<String> = req.url().path().split('/').map(String::from).collect();
 
-	let mut sub_list = prefs(req).subs;
+	let mut sub_list = prefs(req).subscriptions;
 
 	// Find each subreddit name (separated by '+') in sub parameter
 	for part in sub.split('+') {

src/utils.rs

@@ -146,7 +146,7 @@ pub struct Preferences {
 	pub wide: String,
 	pub show_nsfw: String,
 	pub comment_sort: String,
-	pub subs: Vec<String>,
+	pub subscriptions: Vec<String>,
 }
 
 //
@@ -162,7 +162,7 @@ pub fn prefs(req: Request<()>) -> Preferences {
 		wide: cookie(&req, "wide"),
 		show_nsfw: cookie(&req, "show_nsfw"),
 		comment_sort: cookie(&req, "comment_sort"),
-		subs: cookie(&req, "subscriptions")
+		subscriptions: cookie(&req, "subscriptions")
 			.split('+')
 			.map(String::from)
 			.filter(|s| !s.is_empty())

static/style.css

@@ -958,19 +958,21 @@ a.search_subreddit:hover {
 
 /* Settings */
 
-#settings, #settings > form {
-	display: flex;
-	flex-direction: column;
-	align-items: center;
+#settings {
+	max-width: 450px;
 }
 
 #settings_note {
 	font-size: 14px;
-	max-width: 300px;
 	margin-top: 10px;
 	opacity: 0.75;
 }
 
+#settings_note a {
+	color: var(--accent);
+}
+
+
 .prefs {
 	display: flex;
 	flex-direction: column;
@@ -979,6 +981,7 @@ a.search_subreddit:hover {
 	padding: 20px;
 	background: var(--post);
 	border-radius: 5px;
+	margin-bottom: 20px;
 }
 
 .prefs > div {
@@ -987,10 +990,7 @@ a.search_subreddit:hover {
 	width: 100%;
 	height: 35px;
 	align-items: center;
-}
-
-.prefs > div:not(:last-of-type) {
-	margin-bottom: 10px;
+	margin-top: 10px;
 }
 
 .prefs select {
@@ -1017,22 +1017,6 @@ input[type="submit"] {
 	-moz-appearance: none;
 }
 
-#settings_subs {
-	list-style: none;
-	padding: 0;
-}
-
-#settings_subs > li {
-	display: flex;
-	margin: 10px 0;
-}
-#settings_subs > li:last-of-type { margin-bottom: 0; }
-
-#settings_subs > li > span {
-	padding: 10px 0;
-	margin-right: auto;
-}
-
 #settings_subs .unsubscribe {
 	margin-left: 30px;
 }
@@ -1176,6 +1160,10 @@ td, th {
 		right: 10px;
 		min-width: auto;
 	}
+	
+	#settings {
+		max-width: unset;
+	}
 
 	aside, #subreddit, #user {
 		margin: 0;

templates/settings.html

@@ -46,25 +46,27 @@
 				<label for="show_nsfw">Show NSFW posts:</label>
 				<input type="checkbox" name="show_nsfw" {% if prefs.show_nsfw == "on" %}checked{% endif %}>
 			</div>
+			<input id="save" type="submit" value="Save">
 		</div>
-		<p id="settings_note"><b>Note:</b> settings are saved in browser cookies. Clearing your cookie data will reset them.</p>
-		<input id="save" type="submit" value="Save">
 	</form>
-	{% if prefs.subs.len() > 0 %}
-		<aside class="prefs">
+	{% if prefs.subscriptions.len() > 0 %}
+		<div class="prefs" id="settings_subs">
 			<p>Subscribed Subreddits</p>
-			<ul id="settings_subs">
-				{% for sub in prefs.subs %}
-					<li>
-						<span>{{ sub }}</span>
-						<form action="/r/{{ sub }}/unsubscribe/?redirect=settings" method="POST">
-								<button class="unsubscribe">Unsubscribe</button>
-						</form>
-					</li>
-				{% endfor %}
-			</ul>
-		</aside>
+			{% for sub in prefs.subscriptions %}
+			<div>
+				<span>{{ sub }}</span>
+				<form action="/r/{{ sub }}/unsubscribe/?redirect=settings" method="POST">
+						<button class="unsubscribe">Unsubscribe</button>
+				</form>
+			</div>
+			{% endfor %}
+		</div>
 	{% endif %}
+	
+	<div id="settings_note">
+		<p><b>Note:</b> settings and subscriptions are saved in browser cookies. Clearing your cookies will reset them.</p><br>
+		<p>You can restore your current settings and subscriptions after clearing your cookies using <a href="/settings/restore/?theme={{ prefs.theme }}&front_page={{ prefs.front_page }}&layout={{ prefs.layout }}&wide={{ prefs.wide }}&comment_sort={{ prefs.comment_sort }}&show_nsfw={{ prefs.show_nsfw }}&subscriptions={{ prefs.subscriptions.join("%2B") }}">this link</a>.</p>
+	</div>
 </div>
 
 {% endblock %}

templates/subreddit.html

@@ -85,7 +85,7 @@
 						<div>{{ sub.active }}</div>
 					</div>
 					<div id="sub_subscription">
-						{% if prefs.subs.contains(sub.name) %}
+						{% if prefs.subscriptions.contains(sub.name) %}
 							<form action="/r/{{ sub.name }}/unsubscribe/" method="POST">
 								<button class="unsubscribe">Unsubscribe</button>
 							</form>

templates/utils.html

@@ -41,7 +41,7 @@
 {%- endmacro %}
 
 {% macro sub_list(current) -%}
-{% if prefs.subs.len() > 0 %}
+{% if prefs.subscriptions.len() > 0 %}
 	<details id="feeds">
 		<summary>Feeds</summary>
 		<div id="feed_list">
@@ -50,7 +50,7 @@
 			<a href="/r/popular">Popular</a>
 			<a href="/r/all">All</a>
 			<p>REDDIT FEEDS</p>
-			{% for sub in prefs.subs %}
+			{% for sub in prefs.subscriptions %}
 				<a href="/r/{{ sub }}" {% if sub == current %}class="selected"{% endif %}>{{ sub }}</a>
 			{% endfor %}
 		</div>