Trying to get the components to talk to server.

bard/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "bard"
-version = "0.0.6"
+version = "0.0.7"
 edition = "2024"
 description = "Dioxus components that will display a Tavern blogging system Blog."
 repository = "/CyberMages/tavern"

bard/src/components.rs

@@ -283,14 +283,14 @@ pub fn PostHeader(title: String, author: String, tags: Vec<String>) -> Element
 pub fn BlogPost(slug: String, children: Element) -> Element
 {
    // 1. Fetch the blog post using the slug.
-   let post = match use_server_future(move || get_blog_post(slug.clone()))
+   let post = use_server_future(move ||
    {
-      Ok(post) => { post }
-      Err(e) =>
+      let url_slug = slug.clone();
+      async move
       {
-         return rsx! { p { "Failed to load post." } p { "{e}" } }
+         get_blog_post(url_slug).await
       }
-   };
+   })?;
 
    // Then build the component.
    rsx!

bard/src/server.rs

@@ -1,5 +1,10 @@
 // Remember that Server functions parameters must not be references.
 // They are coming from potentially other computers.
+//
+// Server functions must be:
+//  * Be an async function
+//  * Have arguments and a return type that both implement serialize and deserialize (with serde).
+//  * Return a Result with an error type of ServerFnError
 
 #[cfg(feature = "server")]
 use std::sync::Arc;
@@ -22,14 +27,33 @@ static BLOG_DATABASE: OnceCell<Arc<Database>> = OnceCell::const_new();
 
 
 #[cfg(feature = "server")]
-async fn get_database_instance() -> &'static Arc<Database>
+async fn get_database_instance<P>(path: P) -> Result<&'static Arc<Database>, ServerFnError>
+   where P: AsRef<std::path::Path>
 {
-    BLOG_DATABASE.get_or_init(|| async {
-        let db = Database::open("tavern.db")
-            .await
-            .expect("Failed to open database");
-        Arc::new(db)
-    }).await
+   BLOG_DATABASE.get_or_try_init(|| async
+   {
+      let db = Database::open(path).await
+               .map_err(|e| ServerFnError::new(format!("Failed to open database: {}", e)))?;
+
+      Ok(Arc::new(db))
+   }).await
+}
+
+#[cfg(feature = "server")]
+pub async fn init_database<P>(path: P) -> Result<(), ServerFnError>
+   where P: AsRef<std::path::Path>
+{
+   match get_database_instance(path).await
+   {
+      Ok(_) => { Ok(()) }
+      Err(e) => { Err(e) }
+   }
+}
+
+#[cfg(feature = "server")]
+async fn get_database() -> Result<&'static Arc<Database>, ServerFnError>
+{
+   get_database_instance("tavern.db").await
 }
 
 
@@ -37,7 +61,7 @@ async fn get_database_instance() -> &'static Arc<Database>
 #[server]
 pub async fn get_blog_list(categories: Vec<String>) -> Result<Vec<Lore>, ServerFnError>
 {
-    let db = get_database_instance().await;
+    let db = get_database().await?;
 
     let summaries = db.get_tales_summary(&categories).await
         .map_err(|e| ServerFnError::new(e))?;
@@ -49,7 +73,7 @@ pub async fn get_blog_list(categories: Vec<String>) -> Result<Vec<Lore>, ServerF
 #[server]
 pub async fn get_blog_post(slug: String) -> Result<Tale, ServerFnError>
 {
-    let db = get_database_instance().await;
+    let db = get_database().await?;
 
     let tale = db.get_tale_by_slug(&slug).await
         .map_err(|e| ServerFnError::new(e))?;
@@ -61,7 +85,7 @@ pub async fn get_blog_post(slug: String) -> Result<Tale, ServerFnError>
 #[server]
 pub async fn get_author(handle: String) -> Result<Adventurer, ServerFnError>
 {
-    let db = get_database_instance().await;
+    let db = get_database().await?;
 
     let author = db.get_adventurer(&handle).await
         .map_err(|e| ServerFnError::new(e))?;