It compiles. Whether it works is still ¯\_(ツ)_/¯

server/nm-store/src/lib.rs

@@ -8,8 +8,8 @@ pub use crate::store::NoteStore;
 
 #[cfg(test)]
 mod tests {
-	use chrono;
     use super::*;
+    use chrono;
     use tokio;
 
     async fn fresh_inmemory_database() -> NoteStore {

server/nm-store/src/store.rs

@@ -1,5 +1,6 @@
 use crate::errors::NoteStoreError;
-use crate::row_structs::{JustSlugs, NewNote, NewPage, RawNote, RawPage};
+use crate::row_structs::{JustSlugs, NewNote, NewNoteBuilder, NewPage, NewPageBuilder, RawNote, RawPage};
+use friendly_id;
 use lazy_static::lazy_static;
 use regex::Regex;
 use slug::slugify;
@@ -49,17 +50,34 @@ impl NoteStore {
         Ok((page, vec![]))
     }
 
+    /// Fetch page by title
+    ///
+    /// Supports the use case of the user navigating to a page via
+    /// the page's formal title.  Since the title is the key reference
+    /// of the system, if no page with that title is found, a page with
+    /// that title is generated automatically.
     pub async fn get_page_by_title(&self, title: &str) -> NoteResult<(RawPage, Vec<RawNote>)> {
         let mut tx = self.0.begin().await?;
         let page = match select_page_by_title(&mut tx, title).await {
             Ok(page) => page,
-            Err(sqlx::Error::RowNotFound) => match create_page_for_title(&mut tx, title).await {
-                Ok(page) => page,
-                Err(e) => return Err(NoteStoreError::DBError(e))
+            Err(sqlx::Error::RowNotFound) => {
+				let new_page = {
+					let new_root_note = create_unique_root_note();
+					let new_root_note_id = insert_one_new_note(&mut tx, &new_root_note).await?;
+					let new_page_slug = generate_slug(&mut tx, title).await?;
+					let new_page = create_new_page_for(&title, &new_page_slug, new_root_note_id);
+					let new_page_id = insert_one_new_page(&mut tx, &new_page).await?;
+					select_page_by_title(&mut tx, title).await
+				};
+				match new_page {
+					Ok(page) => page,
+					Err(e) => return Err(NoteStoreError::DBError(e)),
+				}
             },
             Err(e) => return Err(NoteStoreError::DBError(e)),
         };
         // Todo: Replace vec with the results of the CTE
+		tx.commit().await?;
         return Ok((page, vec![]));
     }
 }
@@ -75,9 +93,17 @@ impl NoteStore {
 // coherent and easily readable, and hides away the gnarliness of some
 // of the SQL queries.
 
-async fn select_page_by_slug<'e, E>(executor: E, slug: &str) -> SqlResult<RawPage>
+async fn reset_database<'a, E>(executor: E) -> SqlResult<()>
 where
-    E: 'e + Executor<'e, Database = Sqlite>,
+	E: Executor<'a, Database = Sqlite>
+{
+    let initialize_sql = include_str!("sql/initialize_database.sql");
+    sqlx::query(initialize_sql).execute(executor).await.map(|_| ())
+}
+
+async fn select_page_by_slug<'a, E>(executor: E, slug: &str) -> SqlResult<RawPage>
+where
+	E: Executor<'a, Database = Sqlite>
 {
     let select_one_page_by_slug_sql = concat!(
         "SELECT id, title, slug, note_id, creation_date, updated_date, ",
@@ -89,9 +115,9 @@ where
         .await?)
 }
 
-async fn select_page_by_title<'e, E>(executor: E, title: &str) -> SqlResult<RawPage>
+async fn select_page_by_title<'a, E>(executor: E, title: &str) -> SqlResult<RawPage>
 where
-    E: 'e + Executor<'e, Database = Sqlite>,
+    E: Executor<'a, Database = Sqlite>,
 {
     let select_one_page_by_title_sql = concat!(
         "SELECT id, title, slug, note_id, creation_date, updated_date, ",
@@ -103,28 +129,20 @@ where
         .await?)
 }
 
-async fn reset_database<'e, E>(executor: E) -> SqlResult<()>
+async fn get_note_collection_for_root<'a, E>(executor: E, root: i64) -> SqlResult<Vec<RawNote>>
 where
-    E: 'e + Executor<'e, Database = Sqlite>,
-{
-    let initialize_sql = include_str!("sql/initialize_database.sql");
-    sqlx::query(initialize_sql).execute(executor).await.map(|_| ())
-}
-
-async fn get_note_collection_for_root<'e, E>(executor: E, root: i64) -> SqlResult<Vec<RawNote>>
-where
-    E: 'e + Executor<'e, Database = Sqlite>,
+    E: Executor<'a, Database = Sqlite>,
 {
     let select_note_collection_for_root = include_str!("sql/select_note_collection_from_root.sql");
     Ok(sqlx::query_as(&select_note_collection_for_root)
-	   .bind(&root)
-       .fetch_all(executor)
-       .await?)
+        .bind(&root)
+        .fetch_all(executor)
+        .await?)
 }
 
-async fn insert_one_new_note<'e, E>(executor: E, note: &NewNote) -> SqlResult<i64>
+async fn insert_one_new_note<'a, E>(executor: E, note: &NewNote) -> SqlResult<i64>
 where
-    E: 'e + Executor<'e, Database = Sqlite>,
+    E: Executor<'a, Database = Sqlite>,
 {
     let insert_one_note_sql = concat!(
         "INSERT INTO notes ( ",
@@ -170,9 +188,9 @@ fn find_maximal_slug(slugs: &Vec<JustSlugs>) -> Option<u32> {
 // Given an initial string and an existing collection of slugs,
 // generate a new slug that does not conflict with the current
 // collection.
-async fn generate_slug<'e, E>(executor: E, title: &str) -> SqlResult<String>
+async fn generate_slug<'a, E>(executor: E, title: &str) -> SqlResult<String>
 where
-    E: 'e + Executor<'e, Database = Sqlite>,
+    E: Executor<'a, Database = Sqlite>
 {
     lazy_static! {
         static ref RE_STRIP_NUM: Regex = Regex::new(r"-\d+$").unwrap();
@@ -180,7 +198,7 @@ where
 
     let initial_slug = slugify(title);
     let sample_slug = RE_STRIP_NUM.replace_all(&initial_slug, "");
-	let slug_finder_sql = "SELECT slug FROM pages WHERE slug LIKE '?%';";
+    let slug_finder_sql = "SELECT slug FROM pages WHERE slug LIKE '?%';";
     let similar_slugs: Vec<JustSlugs> = sqlx::query_as(&slug_finder_sql)
         .bind(&*sample_slug)
         .fetch_all(executor)
@@ -192,9 +210,9 @@ where
     }
 }
 
-async fn insert_one_new_page<'e, E>(executor: E, page: &NewPage) -> SqlResult<i64>
+async fn insert_one_new_page<'a, E>(executor: E, page: &NewPage) -> SqlResult<i64>
 where
-    E: 'e + Executor<'e, Database = Sqlite>,
+    E: Executor<'a, Database = Sqlite>,
 {
     let insert_one_page_sql = concat!(
         "INSERT INTO pages ( ",
@@ -219,9 +237,21 @@ where
         .last_insert_rowid())
 }
 
-async fn create_page_for_title<'e, E>(_executor: E, _title: &str) -> SqlResult<RawPage>
-where
-    E: 'e + Executor<'e, Database = Sqlite>,
-{
-    todo!()
+fn create_unique_root_note() -> NewNote {
+	NewNoteBuilder::default()
+        .uuid(friendly_id::create())
+        .content("".to_string())
+        .notetype("root".to_string())
+        .build()
+        .unwrap()
 }
+
+fn create_new_page_for(title: &str, slug: &str, note_id: i64) -> NewPage {
+	NewPageBuilder::default()
+        .slug(slug.to_string())
+        .title(title.to_string())
+        .note_id(note_id)
+        .build()
+        .unwrap()
+}
+