Added update and delete functionality to article with cascade for variants.

common/src/models/article.rs

@@ -141,3 +141,56 @@ pub async fn insert_article(article: &Article, pool: PgPool) -> Option<Article>
         }
     }
 }
+
+pub async fn update_article(article_id: i64, article: &Article, pool: PgPool) -> Option<Article> {
+    let mut args = PgArguments::default();
+    args.add(&article.id);
+    args.add(&article.name);
+    args.add(&article.bio);
+    args.add(&article.origin);
+    args.add(&article.description);
+    args.add(&article.ingredients);
+    
+    let statement = format!(
+        "UPDATE {} SET name = $2, bio = $3, origin = $4, description = $5, ingredients = $6 WHERE id = $1 RETURNING *",
+        "article",
+    );
+
+    let res = sqlx::query_with(
+        statement.as_str(),
+        args)
+        .fetch_one(&pool).await;
+
+    info!("{:#?}", res);
+
+    match res {
+        Ok(record) => {
+            let variant = from_postgres_row_small(record);
+            Some(variant)
+        }
+        Err(err) => {
+            error!("Error while updating variant: {}", article_id);
+            None
+        }
+    }
+}
+
+pub async fn delete_article(article_id: i64, pool: PgPool) -> Option<()> {
+    let result = sqlx::query(
+        format!("DELETE FROM {} WHERE id = {}",
+                "article",
+                article_id
+        ).as_str()
+    ).execute(&pool).await;
+
+    match result {
+        Ok(_) => {
+            Some(())
+        }
+        Err(err) => {
+            println!("Error deleting article: {:#?}", err);
+
+            None
+        }
+    }
+}