feat: Implement a webpage for self-service password resets

src/web/pages/components/mod.rs

@@ -0,0 +1,72 @@
+use askama::{Template, filters::HtmlSafe};
+use base64::Engine;
+use conduwuit_core::{Result, result::FlatOk, utils::TryFutureExtExt};
+use conduwuit_service::Services;
+use futures::TryFutureExt;
+use ruma::UserId;
+
+pub(super) mod form;
+
+#[derive(Debug)]
+pub(super) enum AvatarType<'a> {
+	Initial(char),
+	Image(&'a str),
+}
+
+#[derive(Debug, Template)]
+#[template(path = "_components/avatar.html.j2")]
+pub(super) struct Avatar<'a> {
+	pub(super) avatar_type: AvatarType<'a>,
+}
+
+impl HtmlSafe for Avatar<'_> {}
+
+#[derive(Debug, Template)]
+#[template(path = "_components/user_card.html.j2")]
+pub(super) struct UserCard<'a> {
+	pub user_id: &'a UserId,
+	pub display_name: Option<String>,
+	pub avatar_src: Option<String>,
+}
+
+impl HtmlSafe for UserCard<'_> {}
+
+impl<'a> UserCard<'a> {
+	pub async fn for_local_user(services: &Services, user_id: &'a UserId) -> Self {
+		let display_name = services.users.displayname(user_id).await.ok();
+
+		let avatar_src = async {
+			let avatar_url = services.users.avatar_url(user_id).await.ok()?;
+			let avatar_mxc = avatar_url.parts().ok()?;
+			let file = services.media.get(&avatar_mxc).await.flat_ok()?;
+
+			Some(format!(
+				"data:{};base64,{}",
+				file.content_type
+					.unwrap_or_else(|| "application/octet-stream".to_owned()),
+				file.content
+					.map(|content| base64::prelude::BASE64_STANDARD.encode(content))
+					.unwrap_or_default(),
+			))
+		}
+		.await;
+
+		Self { user_id, display_name, avatar_src }
+	}
+
+	fn avatar(&'a self) -> Avatar<'a> {
+		let avatar_type = if let Some(ref avatar_src) = self.avatar_src {
+			AvatarType::Image(avatar_src)
+		} else if let Some(initial) = self
+			.display_name
+			.as_ref()
+			.and_then(|display_name| display_name.chars().next())
+		{
+			AvatarType::Initial(initial)
+		} else {
+			AvatarType::Initial(self.user_id.localpart().chars().next().unwrap())
+		};
+
+		Avatar { avatar_type }
+	}
+}