code cleanup

src/app.rs

@@ -41,7 +41,7 @@ impl App {
             current_widget: CurrentWidget::AccountList,
             acc_list: AccountList::new(),
             trx_table: TrxTable::new(),
-            new_account: Account::new(0, String::new(), 0.0, AccountType::Cash),
+            new_account: Account::new_empty(),
             new_transaction: Transaction::new_empty(),
             selected_transaction_input: TransactionInput::Type,
             selected_account_input: AccountInput::Asset,
@@ -62,7 +62,7 @@ impl App {
                 .iter()
                 .filter(|x| x.get_id() == 1)
                 .next()
-                .unwrap()
+                .unwrap_or(&TransactionType::new(0, String::new()))
                 .get_description(),
             connection: con,
         };
@@ -112,7 +112,7 @@ impl App {
         if new {
             self.acc_list.add_account(ac);
         }
-        self.new_account = Account::new(0, String::new(), 0.0, AccountType::Cash);
+        self.new_account = Account::new_empty();
         self.current_input = String::new();
         self.selected_account_input = AccountInput::Asset;
     }
@@ -152,7 +152,7 @@ impl App {
                 self.selected_transaction_input = TransactionInput::Description;
                 let date = NaiveDate::parse_from_str(&self.current_input, "%Y-%m-%d")
                     .expect("Faile to parse data");
-                let time = NaiveTime::from_hms_opt(5, 0, 0).unwrap(); // to account for my local datetime
+                let time = NaiveTime::from_hms_opt(5, 0, 0).unwrap_or_default(); // to account for my local datetime
                 self.new_transaction
                     .set_date(Local.from_utc_datetime(&NaiveDateTime::new(date, time)));
             }
@@ -192,7 +192,7 @@ impl App {
                 self.selected_transaction_input = TransactionInput::Amount;
                 let date = NaiveDate::parse_from_str(&self.current_input, "%Y-%m-%d")
                     .expect("Faile to parse data");
-                let time = NaiveTime::from_hms_opt(5, 0, 0).unwrap(); // to account for my local datetime
+                let time = NaiveTime::from_hms_opt(5, 0, 0).unwrap_or_default(); // to account for my local datetime
                 self.new_transaction
                     .set_date(Local.from_utc_datetime(&NaiveDateTime::new(date, time)));
             }
@@ -327,7 +327,7 @@ impl App {
             .iter()
             .filter(|x| x.get_id() == id)
             .next()
-            .unwrap()
+            .unwrap_or(&TransactionType::new(0, String::new()))
             .get_description();
     }
 }

src/entities/account.rs

@@ -21,6 +21,14 @@ impl Account {
             ac_type: ac_type,
         }
     }
+    pub fn new_empty() -> Self {
+        return Account {
+            id: 0,
+            name: String::new(),
+            asset_price: 0.0,
+            ac_type: AccountType::Cash,
+        };
+    }
     pub fn get_id(&self) -> i64 {
         return self.id;
     }
@@ -37,7 +45,10 @@ impl Account {
         self.asset_price = asset_price;
     }
     pub fn get_ac_type(&self) -> AccountType {
-        return AccountType::try_from(self.ac_type as i64).unwrap();
+        match AccountType::try_from(self.ac_type as i64) {
+            Ok(at) => return at,
+            Err(_) => AccountType::Cash,
+        }
     }
     pub fn set_type(&mut self, ac_type: AccountType) {
         self.ac_type = ac_type;

src/entities/accountlist.rs

@@ -37,9 +37,12 @@ impl AccountList {
 
     pub fn selected_ac(&self) -> Account {
         if let Some(i) = self.state.selected() {
-            return self.accounts.get(i).unwrap().clone();
+            match self.accounts.get(i) {
+                Some(a) => return a.clone(),
+                None => return Account::new_empty(),
+            }
         }
-        return Account::new(0, String::new(), 0.0, AccountType::Cash);
+        return Account::new_empty();
     }
 
     pub fn add_account(&mut self, ac: Account) {

src/entities/transaction.rs

@@ -43,7 +43,7 @@ impl Transaction {
             id: 0,
             account_id: 0,
             amount: 0.0,
-            date: DateTime::from_timestamp(0, 0).unwrap(),
+            date: DateTime::from_timestamp(0, 0).unwrap_or_default(),
             description: "".to_string(),
             type_id: 0,
             tr_type: TransactionType::new(0, "".to_string()),

src/entities/trxtable.rs

@@ -32,7 +32,10 @@ impl TrxTable {
 
     pub fn selected_tr(&self) -> Transaction {
         if let Some(i) = self.state.selected() {
-            return self.trx.get(i).unwrap().clone();
+            match self.trx.get(i) {
+                Some(t) => return t.clone(),
+                None => return Transaction::new_empty(),
+            }
         }
         return Transaction::new_empty();
     }

src/main.rs

@@ -161,7 +161,7 @@ where
                     }
                     KeyCode::Esc => {
                         app.current_screen = CurrentScreen::Main;
-                        app.new_account = Account::new(0, String::new(), 0.0, AccountType::Cash);
+                        app.new_account = Account::new_empty();
                     }
                     _ => {}
                 },