simplify compatible error handlers

src/app.rs

@@ -256,9 +256,7 @@ impl App {
         }
 
         // Delegate migration to childs
-        if let Err(e) = Browser::migrate(&tx) {
-            return Err(e.to_string());
-        }
+        Browser::migrate(&tx)?;
 
         // Success
         Ok(())

src/app/browser.rs

@@ -198,18 +198,11 @@ impl Browser {
                     match Database::delete(transaction, &record.id) {
                         Ok(_) => {
                             // Delegate clean action to childs
-                            if let Err(e) = self.window.clean(transaction, &record.id) {
-                                return Err(e.to_string());
-                            }
-
-                            if let Err(e) = self.widget.clean(transaction, &record.id) {
-                                return Err(e.to_string());
-                            }
+                            self.window.clean(transaction, &record.id)?;
+                            self.widget.clean(transaction, &record.id)?;
 
                             /* @TODO
-                            if let Err(e) = self.header.clean(transaction, &record.id) {
-                                return Err(e.to_string());
-                            } */
+                            self.header.clean(transaction, &record.id)?; */
                         }
                         Err(e) => return Err(e.to_string()),
                     }
@@ -226,18 +219,11 @@ impl Browser {
             Ok(records) => {
                 for record in records {
                     // Delegate restore action to childs
-                    if let Err(e) = self.widget.restore(transaction, &record.id) {
-                        return Err(e.to_string());
-                    }
-
-                    if let Err(e) = self.window.restore(transaction, &record.id) {
-                        return Err(e.to_string());
-                    }
+                    self.widget.restore(transaction, &record.id)?;
+                    self.window.restore(transaction, &record.id)?;
 
                     /* @TODO
-                    if let Err(e) = self.header.restore(transaction, &record.id) {
-                        return Err(e.to_string());
-                    } */
+                    self.header.restore(transaction, &record.id)?; */
                 }
             }
             Err(e) => return Err(e.to_string()),
@@ -252,18 +238,11 @@ impl Browser {
                 let id = Database::last_insert_id(transaction);
 
                 // Delegate save action to childs
-                if let Err(e) = self.widget.save(transaction, &id) {
-                    return Err(e.to_string());
-                }
-
-                if let Err(e) = self.window.save(transaction, &id) {
-                    return Err(e.to_string());
-                }
+                self.widget.save(transaction, &id)?;
+                self.window.save(transaction, &id)?;
 
                 /* @TODO
-                if let Err(e) = self.header.save(transaction, &id) {
-                    return Err(e.to_string());
-                } */
+                self.header.save(transaction, &id)?; */
             }
             Err(e) => return Err(e.to_string()),
         }
@@ -285,17 +264,9 @@ impl Browser {
 
         // Delegate migration to childs
         /* @TODO
-        if let Err(e) = Header::migrate(&tx) {
-            return Err(e.to_string());
-        } */
-
-        if let Err(e) = Window::migrate(&tx) {
-            return Err(e.to_string());
-        }
-
-        if let Err(e) = Widget::migrate(&tx) {
-            return Err(e.to_string());
-        }
+        Header::migrate(&tx)?; */
+        Window::migrate(&tx)?;
+        Widget::migrate(&tx)?;
 
         // Success
         Ok(())

src/app/browser/window.rs

@@ -87,9 +87,7 @@ impl Window {
                     match Database::delete(transaction, &record.id) {
                         Ok(_) => {
                             // Delegate clean action to childs
-                            if let Err(e) = self.tab.clean(transaction, &record.id) {
-                                return Err(e.to_string());
-                            }
+                            self.tab.clean(transaction, &record.id)?;
                         }
                         Err(e) => return Err(e.to_string()),
                     }
@@ -106,9 +104,7 @@ impl Window {
             Ok(records) => {
                 for record in records {
                     // Delegate restore action to childs
-                    if let Err(e) = self.tab.restore(transaction, &record.id) {
-                        return Err(e.to_string());
-                    }
+                    self.tab.restore(transaction, &record.id)?;
                 }
             }
             Err(e) => return Err(e.to_string()),
@@ -155,9 +151,7 @@ impl Window {
         }
 
         // Delegate migration to childs
-        if let Err(e) = Tab::migrate(&tx) {
-            return Err(e.to_string());
-        }
+        Tab::migrate(&tx)?;
 
         // Success
         Ok(())

src/app/browser/window/tab.rs

@@ -187,9 +187,7 @@ impl Tab {
                         Ok(_) => {
                             // Delegate clean action to childs
                             for (_, item) in self.index.borrow().iter() {
-                                if let Err(e) = item.clean(transaction, &record.id) {
-                                    return Err(e.to_string());
-                                }
+                                item.clean(transaction, &record.id)?
                             }
                         }
                         Err(e) => return Err(e.to_string()),
@@ -256,16 +254,14 @@ impl Tab {
                 let mut page_number = 0;
 
                 for (_, item) in self.index.borrow().iter() {
-                    if let Err(e) = item.save(
+                    item.save(
                         transaction,
                         &id,
                         &match self.widget.gobject().current_page() {
                             Some(number) => number == page_number,
                             None => false,
                         },
-                    ) {
-                        return Err(e.to_string());
-                    }
+                    )?;
 
                     page_number += 1;
                 }
@@ -308,14 +304,10 @@ impl Tab {
         }
 
         // Delegate migration to childs
-        if let Err(e) = Item::migrate(&tx) {
-            return Err(e.to_string());
-        }
+        Item::migrate(&tx)?;
 
         /* @TODO
-        if let Err(e) = Page::migrate(&tx) {
-            return Err(e.to_string());
-        } */
+        Page::migrate(&tx)?; */
 
         // Success
         Ok(())

src/app/browser/window/tab/item.rs

@@ -109,14 +109,10 @@ impl Item {
                     match Database::delete(transaction, &record.id) {
                         Ok(_) => {
                             // Delegate clean action to the item childs
-                            if let Err(e) = self.label.clean(transaction, &record.id) {
-                                return Err(e.to_string());
-                            }
+                            self.label.clean(transaction, &record.id)?;
 
                             /* @TODO
-                            if let Err(e) = self.page.clean(transaction, &record.id) {
-                                return Err(e.to_string());
-                            } */
+                            self.page.clean(transaction, &record.id)?;*/
                         }
                         Err(e) => return Err(e.to_string()),
                     }
@@ -158,9 +154,7 @@ impl Item {
                     ));
 
                     // Delegate restore action to the item childs
-                    if let Err(e) = item.label.restore(transaction, &record.id) {
-                        return Err(e.to_string());
-                    }
+                    item.label.restore(transaction, &record.id)?;
 
                     // Result
                     items.push(item);
@@ -183,14 +177,10 @@ impl Item {
                 let id = Database::last_insert_id(transaction);
 
                 // Delegate save action to childs
-                if let Err(e) = self.label.save(transaction, &id) {
-                    return Err(e.to_string());
-                }
+                self.label.save(transaction, &id)?;
 
                 /* @TODO
-                if let Err(e) = self.page.save(transaction, &id) {
-                    return Err(e.to_string());
-                } */
+                self.page.save(transaction, &id)?; */
             }
             Err(e) => return Err(e.to_string()),
         }
@@ -231,14 +221,10 @@ impl Item {
         }
 
         // Delegate migration to childs
-        if let Err(e) = Label::migrate(&tx) {
-            return Err(e.to_string());
-        }
+        Label::migrate(&tx)?;
 
         /* @TODO
-        if let Err(e) = Page::migrate(&tx) {
-            return Err(e.to_string());
-        } */
+        Page::migrate(&tx)? */
 
         // Success
         Ok(())