only show public quotes to logged out users

src/quotes/mod.rs

@@ -113,6 +113,20 @@ impl Quote {
             None => Ok(None),
         }
     }
+    pub fn get_newest_public(conn: &Connection) -> Result<Option<Quote>, QuoteError> {
+        let id: Option<Uuid> = conn
+            .query_row(
+                "SELECT id FROM quotes ORDER BY id DESC LIMIT 1 WHERE public = 1",
+                (),
+                |r| r.get(0),
+            )
+            .optional()?;
+
+        match id {
+            Some(id) => Ok(Some(Self::get_by_id(conn, id)?)),
+            None => Ok(None),
+        }
+    }
     pub fn get_chronological_offset(
         conn: &Connection,
         offset: i64,

src/web/pages/dashboard.rs

@@ -25,7 +25,10 @@ pub async fn page(req: Request) -> Result<Markup, CompositeError> {
     let u = User::authenticate(req.headers()).ok().flatten();
     let conn = database::conn()?;
 
-    let newest_quote = Quote::get_newest(&conn)?;
+    let newest_quote = match u {
+        Some(_) => Quote::get_newest(&conn)?,
+        None => Quote::get_newest_public(&conn)?,
+    };
 
     Ok(base(
         "Dashboard | Mnemosyne",