adding a lot more funcitonality to core library

src/rust/core/presentations.rs

@@ -1,4 +1,12 @@
-#[derive(Debug, Clone, Default, PartialEq, Eq)]
+use std::path::PathBuf;
+
+use serde::{Deserialize, Serialize};
+use sqlx::query;
+use tracing::error;
+
+use crate::model::Model;
+
+#[derive(Debug, Clone, Default, PartialEq, Eq, Serialize, Deserialize)]
 pub enum PresKind {
     Html,
     #[default]
@@ -6,10 +14,12 @@ pub enum PresKind {
     Generic,
 }
 
-#[derive(Debug, Clone, Default, PartialEq, Eq)]
+#[derive(Debug, Clone, Default, PartialEq, Eq, Serialize, Deserialize)]
 pub struct Presentation {
-    title: String,
-    kind: PresKind,
+    pub id: i32,
+    pub title: String,
+    pub path: PathBuf,
+    pub kind: PresKind,
 }
 
 impl Presentation {
@@ -25,13 +35,64 @@ impl Presentation {
     }
 }
 
+impl Model<Presentation> {
+    pub fn load_from_db(&mut self) {
+        let rt = tokio::runtime::Runtime::new().unwrap();
+        rt.block_on(async {
+            let result = query!(r#"SELECT id as "id: i32", title, filePath as "path", html from presentations"#).fetch_all(&mut self.db).await;
+            match result {
+                Ok(v) => {
+                    for presentation in v.into_iter() {
+                        let _ = self.add_item(Presentation {
+                            id: presentation.id,
+                            title: presentation.title,
+                            path: presentation.path.into(),
+                            kind: if presentation.html {
+                                PresKind::Html
+                            } else {
+                                PresKind::Pdf
+                            }
+                        });
+                    }
+                }
+                Err(e) => error!("There was an error in converting presentations: {e}"),
+            }
+        });
+    }
+}
+
 #[cfg(test)]
 mod test {
-    use crate::presentations::{PresKind, Presentation};
+    use super::*;
+    use pretty_assertions::assert_eq;
+
+    fn test_presentation() -> Presentation {
+        Presentation {
+            id: 54,
+            title: "20240327T133649--12-isaiah-and-jesus__lesson_project_tfc".into(),
+            path: PathBuf::from(
+                "file:///home/chris/docs/notes/lessons/20240327T133649--12-isaiah-and-jesus__lesson_project_tfc.html",
+            ),
+            kind: PresKind::Html,
+        }
+    }
 
     #[test]
-    pub fn test_presentation() {
+    pub fn test_pres() {
         let pres = Presentation::new();
         assert_eq!(pres.get_kind(), &PresKind::Pdf)
     }
+
+    #[test]
+    pub fn test_db_and_model() {
+        let mut presentation_model: Model<Presentation> =
+            Model::default();
+        presentation_model.load_from_db();
+        if let Some(presentation) = presentation_model.get_item(10) {
+            let test_presentation = test_presentation();
+            assert_eq!(&test_presentation, presentation);
+        } else {
+            assert!(false);
+        }
+    }
 }