add camera edit and add functionality

src/model/camera.rs

@@ -25,6 +25,69 @@ impl Backend {
         }
     }
 
+    pub(crate) async fn create_camera(&self, uuid: &Uuid, name: &str, desc: Option<&str>) -> Result<(), sqlx::Error> {
+        let uuid_str = uuid.to_string();
+        match self {
+            Backend::Sqlite(db) => {
+                sqlx::query!(
+                    "INSERT INTO camera (uuid, name, desc) VALUES (?, ?, ?)",
+                    uuid_str,
+                    name,
+                    desc
+                )
+                .execute(db)
+                .await?;
+                Ok(())
+            }
+        }
+    }
+
+    pub(crate) async fn update_camera(&self, uuid: &Uuid, name: &str, desc: Option<&str>) -> Result<bool, sqlx::Error> {
+        let uuid_str = uuid.to_string();
+        match self {
+            Backend::Sqlite(db) => {
+                let result = sqlx::query!(
+                    "UPDATE camera SET name = ?, desc = ? WHERE uuid = ?",
+                    name,
+                    desc,
+                    uuid_str
+                )
+                .execute(db)
+                .await?;
+                Ok(result.rows_affected() > 0)
+            }
+        }
+    }
+
+    pub(crate) async fn delete_camera(&self, uuid: &Uuid) -> Result<bool, sqlx::Error> {
+        let uuid_str = uuid.to_string();
+        match self {
+            Backend::Sqlite(db) => {
+                let result = sqlx::query!(
+                    "DELETE FROM camera WHERE uuid = ?",
+                    uuid_str
+                )
+                .execute(db)
+                .await?;
+                Ok(result.rows_affected() > 0)
+            }
+        }
+    }
+
+    pub(crate) async fn get_all_cameras(&self) -> Vec<Camera> {
+        match self {
+            Backend::Sqlite(db) => {
+                sqlx::query_as!(
+                    Camera,
+                    "SELECT uuid, desc, name FROM camera ORDER BY name"
+                )
+                .fetch_all(db)
+                .await
+                .unwrap_or_default()
+            }
+        }
+    }
+
     pub(crate) async fn amount_total_cameras(&self) -> i64 {
         match self {
             Backend::Sqlite(db) => {