STYLE Clippified.

After running 'cargo clippy,' a few changes were made, and then some
were reverted.  Honestly, 'x.len() > 0' is WAY more readable than
'!x.is_empty()'.  The exclamation mark gets swallowed up by the
surrounding text and is hard to see.

server/nm-store/clippy.toml

@@ -0,0 +1 @@
+cognitive-complexity-threshold = 9

server/nm-store/src/errors.rs

@@ -1,4 +1,3 @@
-use sqlx;
 use thiserror::Error;
 
 /// All the ways looking up objects can fail

server/nm-store/src/store/api.rs

@@ -50,7 +50,7 @@
 //!   it make sense to move this to a higher layer, and only provide the
 //!   hooks for it here?
 //!
-
+#![allow(clippy::len_zero)]
 use crate::errors::NoteStoreError;
 use crate::reference_parser::build_references;
 use crate::store::private::*;
@@ -109,7 +109,7 @@ impl NoteStore {
     /// we also know no backreferences to it exist, so in that case you
     /// get back two empty vecs.
     pub async fn get_page_by_title(&self, title: &str) -> NoteResult<(Vec<Note>, Vec<Note>)> {
-        if title.len() == 0 {
+        if title.is_empty() {
             return Err(NoteStoreError::NotFound);
         }
 
@@ -131,7 +131,7 @@ impl NoteStore {
         let mut tx = self.0.begin().await?;
         let slug = generate_slug(&mut tx, title).await?;
         let page = create_page(&title, &slug);
-        let _ = insert_note(&mut tx, &page).await?;
+        insert_note(&mut tx, &page).await?;
         tx.commit().await?;
 
         Ok((vec![Note::from(page)], vec![]))
@@ -157,11 +157,10 @@ impl NoteStore {
         let old_note_location = old_note.location;
         let old_note_kind = old_note.kind;
 
-        let _ = delete_note_to_note_relationship(&mut tx, &old_parent_id, &note_id).await?;
+        delete_note_to_note_relationship(&mut tx, &old_parent_id, &note_id).await?;
-        let _ = close_hole_for_deleted_note_relationship(&mut tx, &old_parent_id, old_note_location).await?;
+        close_hole_for_deleted_note_relationship(&mut tx, &old_parent_id, old_note_location).await?;
         let new_location = determine_max_child_location_for_note(&mut tx, &new_parent_id, Some(new_location)).await?;
-        let _ = make_room_for_new_note_relationship(&mut tx, &new_parent_id, new_location).await?;
+        make_room_for_new_note_relationship(&mut tx, &new_parent_id, new_location).await?;
-        let _ =
         insert_note_to_note_relationship(&mut tx, &new_parent_id, &note_id, new_location, &old_note_kind).await?;
         tx.commit().await?;
         Ok(())
@@ -172,10 +171,10 @@ impl NoteStore {
     pub async fn update_note_content(&self, note_id: &str, content: &str) -> NoteResult<()> {
         let references = build_references(&content);
         let mut tx = self.0.begin().await?;
-        let _ = update_note_content(&mut tx, &note_id, &content).await?;
+        update_note_content(&mut tx, &note_id, &content).await?;
-        let _ = delete_bulk_note_to_page_relationships(&mut tx, &note_id).await?;
+        delete_bulk_note_to_page_relationships(&mut tx, &note_id).await?;
         let known_reference_ids = validate_or_generate_all_found_references(&mut tx, &references).await?;
-        let _ = insert_bulk_note_to_page_relationships(&mut tx, &note_id, &known_reference_ids).await?;
+        insert_bulk_note_to_page_relationships(&mut tx, &note_id, &known_reference_ids).await?;
         tx.commit().await?;
         Ok(())
     }
@@ -189,13 +188,13 @@ impl NoteStore {
         let parent_id = note_parent_id.to_string();
 
         if parent_id != note_id {
-            let _ = delete_note_to_note_relationship(&mut tx, &parent_id, &note_id);
+            delete_note_to_note_relationship(&mut tx, &parent_id, &note_id).await?;
         }
         // The big one: if zero parents report having an interest in this note, then it,
         // *and any sub-relationships*, go away.
         if count_existing_note_relationships(&mut tx, &note_id).await? == 0 {
-            let _ = delete_note_to_page_relationships(&mut tx, &note_id).await?;
+            delete_note_to_page_relationships(&mut tx, &note_id).await?;
-            let _ = delete_note(&mut tx, &note_id).await?;
+            delete_note(&mut tx, &note_id).await?;
         }
         tx.commit().await?;
         Ok(())
@@ -248,7 +247,7 @@ impl NoteStore {
         make_room_for_new_note_relationship(&mut tx, &parent_id, location).await?;
         insert_note_to_note_relationship(&mut tx, &parent_id, &note.id, location, &kind).await?;
         let known_reference_ids = validate_or_generate_all_found_references(&mut tx, &references).await?;
-        let _ = insert_bulk_note_to_page_relationships(&mut tx, &note.id, &known_reference_ids).await?;
+        insert_bulk_note_to_page_relationships(&mut tx, &note.id, &known_reference_ids).await?;
         tx.commit().await?;
         Ok(note.id.to_string())
     }

server/nm-store/src/store/mod.rs

@@ -51,8 +51,8 @@
 //!   hooks for it here?
 //!
 
+mod api;
 mod private;
-mod store;
 
-pub use crate::store::store::NoteResult;
+pub use crate::store::api::NoteResult;
-pub use crate::store::store::NoteStore;
+pub use crate::store::api::NoteStore;

server/nm-store/src/store/private.rs

@@ -67,7 +67,7 @@ where
     E: Executor<'a, Database = Sqlite>,
 {
     let r: Vec<RowNote> = sqlx::query_as(query).bind(field).fetch_all(executor).await?;
-    Ok(r.into_iter().map(|z| Note::from(z)).collect())
+    Ok(r.into_iter().map(Note::from).collect())
 }
 
 // Select the requested page via its id.  This is fairly rare;
@@ -124,7 +124,7 @@ where
         "VALUES (?, ?, ?, ?, ?, ?);"
     );
 
-    let _ = sqlx::query(insert_one_note_sql)
+    sqlx::query(insert_one_note_sql)
         .bind(&note.id)
         .bind(&note.content)
         .bind(note.kind.to_string())
@@ -243,7 +243,7 @@ where
     let update_note_content_sql = "UPDATE notes SET content = ? WHERE note_id = ?";
     let count = sqlx::query(update_note_content_sql)
         .bind(content)
-        .bind(&**note_id)
+        .bind(note_id)
         .execute(executor)
         .await?
         .rows_affected();
@@ -303,7 +303,7 @@ where
         "values (?, ?, ?, ?)"
     );
 
-    let _ = sqlx::query(insert_note_to_note_relationship_sql)
+    sqlx::query(insert_note_to_note_relationship_sql)
         .bind(parent_id)
         .bind(note_id)
         .bind(&location)
@@ -327,7 +327,7 @@ where
         "WHERE location >= ? and parent_id = ?;"
     );
 
-    let _ = sqlx::query(make_room_for_new_note_sql)
+    sqlx::query(make_room_for_new_note_sql)
         .bind(&location)
         .bind(parent_id)
         .execute(executor)
@@ -402,7 +402,7 @@ where
     E: Executor<'a, Database = Sqlite>,
 {
     let delete_note_to_page_relationship_sql = "DELETE FROM note_page_relationships WHERE and note_id = ?;";
-    let _ = sqlx::query(delete_note_to_page_relationship_sql)
+    sqlx::query(delete_note_to_page_relationship_sql)
         .bind(note_id)
         .execute(executor)
         .await?;
@@ -498,7 +498,7 @@ where
         );
     }
 
-    let _ = sqlx::query(&DELETE_NOTE_TO_PAGE_RELATIONSHIPS_SQL)
+    sqlx::query(&DELETE_NOTE_TO_PAGE_RELATIONSHIPS_SQL)
         .bind(note_id)
         .execute(executor)
         .await?;
@@ -540,7 +540,7 @@ where
         "WHERE location > ? and parent_id = ?;"
     );
 
-    let _ = sqlx::query(close_hole_for_deleted_note_sql)
+    sqlx::query(close_hole_for_deleted_note_sql)
         .bind(&location)
         .bind(parent_id)
         .execute(executor)
@@ -565,7 +565,7 @@ pub(crate) async fn validate_or_generate_all_found_references(
         let slug = generate_slug(&mut tx, one_reference).await?;
         new_page.push(create_page(&one_reference, &slug));
     }
-    let _ = insert_bulk_notes(&mut tx, &new_page).await?;
+    insert_bulk_notes(&mut tx, &new_page).await?;
 
     let mut all_reference_ids: Vec<String> = found_references.iter().map(|r| r.id.clone()).collect();
     all_reference_ids.append(&mut new_page.iter().map(|r| r.id.clone()).collect());

server/nm-store/src/structs.rs

@@ -1,7 +1,5 @@
 use chrono::{DateTime, Utc};
 use derive_builder::Builder;
-use friendly_id;
-use shrinkwraprs::Shrinkwrap;
 use sqlx::{self, FromRow};
 
 // Page is German for "Box," and is used both because this is
@@ -50,12 +48,6 @@ macro_rules! build_conversion_enums {
     };
 }
 
-#[derive(Shrinkwrap, Clone)]
-pub(crate) struct NoteId(pub String);
-
-#[derive(Shrinkwrap, Clone)]
-pub(crate) struct ParentId(pub String);
-
 // The different kinds of objects we support.
 
 build_conversion_enums!(