Remove silent unwrap in data providers

src/data_provider/card_sets.rs

@@ -30,7 +30,7 @@ pub fn load_sets(connection: &Connection) -> Vec<DeckSettings> {
 }
 
 pub fn add_set(set: &mut DeckSettings, connection: &Connection) {
-    let index = connection
+    let index : u32 = connection
         .query_row(
             "INSERT INTO card_set (name, forward, backward, filter) VALUES (?1, ?2, ?3, ?4) RETURNING id",
             (
@@ -41,7 +41,7 @@ pub fn add_set(set: &mut DeckSettings, connection: &Connection) {
             ),
             |row| row.get(0)
         )
-        .unwrap_or_else(|e| {println!("{}", e); 0});
+        .unwrap();
 
     set.id = index.into();
 }
@@ -61,7 +61,7 @@ pub fn update_deck(set: &mut DeckSettings, connection: &Connection) {
                     &set.id
                 ),
             )
-            .unwrap_or_else(|e| {println!("{}", e); 0});
+            .unwrap();
     }
 }
 
@@ -71,8 +71,5 @@ pub fn delete_set(set: &DeckSettings, connection: &Connection) {
     }
     connection
         .execute("DELETE FROM card_set WHERE id = ?1", (&set.id,))
-        .unwrap_or_else(|e| {
-            println!("{}", e);
-            0
-        });
+        .unwrap();
 }