Saving functionality is looking better

src/rust/core/presentations.rs

@@ -1,7 +1,7 @@
 use std::path::PathBuf;
-
+use color_eyre::eyre::Result;
 use serde::{Deserialize, Serialize};
-use sqlx::query;
+use sqlx::{prelude::FromRow, query, sqlite::SqliteRow, Row, SqliteConnection};
 use tracing::error;
 
 use crate::model::Model;
@@ -35,6 +35,24 @@ impl Presentation {
     }
 }
 
+impl FromRow<'_, SqliteRow> for Presentation {
+    fn from_row(row: &SqliteRow) -> sqlx::Result<Self> {
+        Ok(Self {
+            id: row.try_get(0)?,
+            title: row.try_get(1)?,
+            path: PathBuf::from({
+                let string: String = row.try_get(2)?;
+                string
+            }),
+            kind: if row.try_get(3)? {
+                PresKind::Html
+            } else {
+                PresKind::Pdf
+            },
+        })
+    }
+}
+
 impl Model<Presentation> {
     pub fn load_from_db(&mut self) {
         let rt = tokio::runtime::Runtime::new().unwrap();
@@ -61,6 +79,11 @@ impl Model<Presentation> {
     }
 }
 
+pub async fn get_presentation_from_db(database_id: i32, db: &mut SqliteConnection) -> Result<Presentation> {
+    let row = query(r#"SELECT id as "id: i32", title, filePath as "path", html from presentations where id = $1"#).bind(database_id).fetch_one(db).await?;
+    Ok(Presentation::from_row(&row)?)
+}
+
 #[cfg(test)]
 mod test {
     use super::*;