This is wrong, but it's something.

This commit is contained in:
Elf M. Sternberg 2020-11-02 21:56:45 -08:00
parent 77ca6d0304
commit 0a2b96cea6
2 changed files with 85 additions and 24 deletions

4
.gitignore vendored
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@ -1,2 +1,6 @@
/target
Cargo.lock
*#
.#*
*~

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@ -65,32 +65,89 @@ pub struct NoteStore(Arc<SqlitePool>);
type NoteResult<T> = core::result::Result<T, NoteStoreError>;
impl NoteStore {
/// Initializes a new instance of the note store. Note that the
/// note store holds an Arc internally; this code is (I think)
/// safe to Send.
pub async fn new(url: &str) -> NoteResult<Self> {
let pool = SqlitePool::connect(url).await?;
Ok(NoteStore(Arc::new(pool)))
}
// After wrestling for a while with the fact that 'box' is a reserved
// word in Rust, I decided to just go with Zettle (note) and Kasten
// (box).
impl NoteStore {
/// Initializes a new instance of the note store. Note that the
/// note store holds an Arc internally; this code is (I think)
/// safe to Send.
pub async fn new(url: &str) -> NoteResult<Self> {
let pool = SqlitePool::connect(url).await?;
Ok(NoteStore(Arc::new(pool)))
}
/// Erase all the data in the database and restore it
/// to its original empty form. Do not use unless you
/// really, really want that to happen.
pub async fn reset_database(&self) -> NoteResult<()> {
reset_database(&*self.0).await.map_err(NoteStoreError::DBError)
}
/// to its original empty form. Do not use unless you
/// really, really want that to happen.
pub async fn reset_database(&self) -> NoteResult<()> {
reset_database(&*self.0)
.await
.map_err(NoteStoreError::DBError)
}
/// Fetch page by slug
///
/// Supports the use case of the user navigating to a known place
/// via a bookmark or other URL. Since the title isn't clear from
/// the slug, the slug is insufficient to generate a new page, so
/// this use case says that in the event of a failure to find the
/// requested page, return a basic NotFound.
pub async fn get_kasten_by_slug(&self, slug: &str) -> NoteResult<Vec<RawZettle>> {
let page = select_kasten_by_slug(&*self.0, slug).await?;
Ok(page)
}
/// Fetch page by slug
///
/// Supports the use case of the user navigating to a known place
/// via a bookmark or other URL. Since the title isn't clear from
/// the slug, the slug is insufficient to generate a new page, so
/// this use case says that in the event of a failure to find the
/// requested page, return a basic NotFound.
pub async fn get_kasten_by_slug(&self, slug: &str) -> NoteResult<Vec<RawZettle>> {
Ok(select_kasten_by_slug(&*self.0, slug).await?)
}
pub async fn get_kasten_by_title(&self, title: &str) -> NoteResult<Vec<RawZettle>> {
let kasten = select_page_by_title(&mut tx, title).await?;
if kasten.len() > 0 {
return kasten
}
let mut tx = self.0.begin().await?;
let new slug = generate_slug(&mut tx, title).await?;
let new zettlekasten = create_unique_zettlekasten(&title, &slug);
let _ = insert_zettle(&zettlekasten).await?;
tx.commit().await?;
Ok(vec![zettlekasten])
}
pub async fn insert_zettle(
&self,
note: &NewNote,
parent_note_id: &str,
location: i64
) -> NoteResult<String> {
let note = {
let mut new_note = note.clone();
new_note.id = friendly_id::create();
new_note
};
let references = build_references(&note.content);
let mut tx = self.0.begin().await?;
let location = cmp::min(
assert_max_child_position_for_note(&mut tx, parent_note_id).await? + 1,
location);
insert_one_new_note(&mut tx, &note).await?;
make_room_for_new_note(&mut tx, parent_id, location).await?;
insert_note_to_note_relationship(&mut tx, parent_id, note.id, location, "note");
let found_references = find_all_page_references_for(&mut tx, &references).await?;
let mut known_reference_ids: Vec<PageId> = Vec::new();
for one_reference in new_references.iter() {
let new slug = generate_slug(&mut tx, one_reference).await?;
let new zettlekasten = create_unique_zettlekasten(&one_reference, &slug);
let _ = insert_zettle(&zettlekasten).await?;
known_reference_ids.push(slug);
}
known_reference_ids.append(&mut found_references.iter().map(|r| PageId(r.id)).collect());
let _ = insert_note_to_page_relationships(&mut tx, new_note_id, &known_reference_ids).await?;
tx.commit().await?;
Ok(note.id);
}
}