remove more unwrap

src/data_provider/import.rs

@@ -39,8 +39,8 @@ pub fn load_groups(connection: &Connection) -> Result<ImportData, NotificationDa
 
         let counts = count_stmt
             .query_map([], |row| Ok((row.get(0)?, row.get(1)?)))
-            .unwrap()
-            .map(|x| x.unwrap())
+            .map_err(|_| NotificationData::IncorrectAnkiFile)?
+            .filter_map(|x| x.ok())
             .collect::<Vec<(i64, i64)>>();
 
         for (_, collection) in sets {
@@ -54,12 +54,12 @@ pub fn load_groups(connection: &Connection) -> Result<ImportData, NotificationDa
                     .map(|x| x.as_str().unwrap().to_string())
                     .collect();
                 let id = collection.get("id");
-                if id.is_none() {
+                if id.is_none() || id.unwrap().as_u64().is_none(){
                     return Err(NotificationData::IncorrectAnkiFile);
                 }
                 let id = id.unwrap().as_u64().unwrap();
                 let name = collection.get("name");
-                if name.is_none() {
+                if name.is_none() || name.unwrap().as_str().is_none() {
                     return Err(NotificationData::IncorrectAnkiFile);
                 }
                 let name = name.unwrap().as_str().unwrap().to_string();
@@ -101,6 +101,6 @@ pub fn get_words_of_group(connection: &Connection, group_id: u64) -> Result<Vec<
             })
         })
         .map_err(|_| NotificationData::IncorrectAnkiFile)?
-        .map(|x| x.unwrap())
+        .filter_map(|x| x.ok())
         .collect::<Vec<ImportNote>>())
 }