fix: don't generate broken sql

Cargo.toml

@@ -34,7 +34,7 @@ sqlx                      = { version = "0.8",     features = ["macros", "runtim
 thiserror                 = "2.0.17"
 time                      = "0.3.44"
 tokio                     = { version = "1.47.1",  features  = ["macros", "rt-multi-thread", "signal"] }
-tower-http                = { version = "0.6.6",   features = ["fs"] }
+tower-http                = { version = "0.6.6",   features = ["fs", "trace"] }
 tower-sessions            = { version = "0.14.0",  features  = ["signed"] }
 tower-sessions-sqlx-store = { version = "0.15.0",  features  = ["sqlite"] }
 tracing                   = { version = "0.1.41", features = ["attributes"] }

src/main.rs

@@ -170,6 +170,7 @@ async fn serve(port: &u32) -> Result<(), anyhow::Error> {
         .merge(ics::router())
         .nest_service("/static", ServeDir::new("./hashed_static"))
         .layer(auth_layer)
+        .layer(tower_http::trace::TraceLayer::new_for_http())
         .with_state(state);
 
     let listener = TcpListener::bind(format!("0.0.0.0:{}", port)).await?;

src/switchboard.rs

@@ -129,19 +129,22 @@ pub async fn insert_mentions<'a>(
     mentions: impl IntoIterator<Item = &'a Mention>,
     pool: &SqlitePool,
 ) -> Result<(), AppError> {
-    let mut qb = QueryBuilder::<sqlx::Sqlite>::new(
+    let mut mentions = mentions.into_iter().peekable();
-        "insert into mentions (
+    if mentions.peek().is_some() {
+        let mut qb = QueryBuilder::<sqlx::Sqlite>::new(
+            "insert into mentions (
                 entity_id, entity_type, url, input_text,
                 byte_range_start, byte_range_end) ",
-    );
+        );
-    qb.push_values(mentions, |mut b, mention| {
+        qb.push_values(mentions, |mut b, mention| {
-        b.push_bind(mention.entity_id)
+            b.push_bind(mention.entity_id)
-            .push_bind(mention.entity_type)
+                .push_bind(mention.entity_type)
-            .push_bind(&mention.url)
+                .push_bind(&mention.url)
-            .push_bind(&mention.input_text)
+                .push_bind(&mention.input_text)
-            .push_bind(mention.byte_range_start)
+                .push_bind(mention.byte_range_start)
-            .push_bind(mention.byte_range_end);
+                .push_bind(mention.byte_range_end);
-    });
+        });
-    qb.build().execute(pool).await?;
+        qb.build().execute(pool).await?;
+    }
     Ok(())
 }

src/web/home.rs

@@ -102,12 +102,14 @@ pub async fn journal_section(
                     are now, or leave everything blank to default to 'today'. Entries will be
                     added to the top of the list regardless of date; refresh the page to re-sort."
             }
-            form hx-post="/journal_entry" hx-target="next .entries" hx-swap="afterbegin" hx-on::after-request="if(event.detail.successful) this.reset()" {
+            form hx-post="/journal_entry" hx-target="next .entries" hx-target-error="#journal-error" hx-swap="afterbegin" hx-on::after-request="if(event.detail.successful) this.reset()" {
                 input name="date" placeholder=(Local::now().date_naive().to_string());
                 textarea name="value" placeholder="New entry..." autofocus {}
                 input type="submit" value="Add Entry";
             }
 
+            #journal-error {}
+
             .entries {
                 @for entry in entries {
                     (entry.to_html(pool).await?)

src/web/journal.rs

@@ -80,6 +80,7 @@ mod post {
             let switchboard = sw_lock.read().unwrap();
             switchboard.extract_mentions(&entry)
         };
+        tracing::debug!("{:?}", mentions);
         insert_mentions(&mentions, pool).await?;
 
         Ok(entry.to_html(pool).await?)

src/web/mod.rs

@@ -21,6 +21,8 @@ struct ContactLink {
     name: String,
     contact_id: DbId,
 }
+
+#[derive(Debug)]
 pub struct Layout {
     contact_links: Vec<ContactLink>,
     user: User,