implement page session restore

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

@@ -103,10 +103,8 @@ impl Item {
                     match Database::delete(transaction, &record.id) {
                         Ok(_) => {
                             // Delegate clean action to the item childs
+                            self.page.clean(transaction, &record.id)?;
                             self.widget.clean(transaction, &record.id)?;
-
-                            /* @TODO
-                            self.page.clean(transaction, &record.id)?;*/
                         }
                         Err(e) => return Err(e.to_string()),
                     }
@@ -151,11 +149,9 @@ impl Item {
                     );
 
                     // Delegate restore action to the item childs
+                    item.page.restore(transaction, &record.id)?;
                     item.widget.restore(transaction, &record.id)?;
 
-                    /* @TODO
-                    self.page.restore(transaction, &id)?; */
-
                     // Result
                     items.push(item);
                 }
@@ -185,10 +181,8 @@ impl Item {
                 let id = Database::last_insert_id(transaction);
 
                 // Delegate save action to childs
+                self.page.save(transaction, &id)?;
                 self.widget.save(transaction, &id)?;
-
-                /* @TODO
-                self.page.save(transaction, &id)?; */
             }
             Err(e) => return Err(e.to_string()),
         }
@@ -221,11 +215,9 @@ impl Item {
         }
 
         // Delegate migration to childs
+        Page::migrate(&tx)?;
         Widget::migrate(&tx)?;
 
-        /* @TODO
-        Page::migrate(&tx)? */
-
         // Success
         Ok(())
     }

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

@@ -1,13 +1,16 @@
 mod content;
+mod database;
 mod meta;
 mod navigation;
 mod widget;
 
 use content::Content;
-use meta::{Meta, Mime, Status};
+use database::Database;
 use navigation::Navigation;
 use widget::Widget;
 
+use meta::{Meta, Mime, Status};
+
 use gtk::{
     gio::{Cancellable, SimpleAction, SocketClient, SocketProtocol, TlsCertificateFlags},
     glib::{gformat, GString, Priority, Regex, RegexCompileFlags, RegexMatchFlags, Uri, UriFlags},
@@ -17,6 +20,7 @@ use gtk::{
     },
     Box,
 };
+use sqlite::Transaction;
 use std::{cell::RefCell, path::Path, sync::Arc};
 
 pub struct Page {
@@ -452,6 +456,65 @@ impl Page {
         // @TODO self.content.update();
     }
 
+    pub fn clean(
+        &self,
+        transaction: &Transaction,
+        app_browser_window_tab_item_id: &i64,
+    ) -> Result<(), String> {
+        match Database::records(transaction, app_browser_window_tab_item_id) {
+            Ok(records) => {
+                for record in records {
+                    match Database::delete(transaction, &record.id) {
+                        Ok(_) => {
+                            // Delegate clean action to the item childs
+                            // nothing yet..
+                        }
+                        Err(e) => return Err(e.to_string()),
+                    }
+                }
+            }
+            Err(e) => return Err(e.to_string()),
+        }
+
+        Ok(())
+    }
+
+    pub fn restore(
+        &self,
+        transaction: &Transaction,
+        app_browser_window_tab_item_id: &i64,
+    ) -> Result<(), String> {
+        match Database::records(transaction, app_browser_window_tab_item_id) {
+            Ok(records) => {
+                for _record in records {
+                    // Delegate restore action to the item childs
+                    // nothing yet..
+                }
+            }
+            Err(e) => return Err(e.to_string()),
+        }
+
+        Ok(())
+    }
+
+    pub fn save(
+        &self,
+        transaction: &Transaction,
+        app_browser_window_tab_item_id: &i64,
+    ) -> Result<(), String> {
+        match Database::add(transaction, app_browser_window_tab_item_id) {
+            Ok(_) => {
+                // let id = Database::last_insert_id(transaction);
+
+                // Delegate save action to childs
+                // nothing yet..
+            }
+            Err(e) => return Err(e.to_string()),
+        }
+
+        Ok(())
+    }
+
     // Getters
     pub fn progress_fraction(&self) -> Option<f64> {
         // Interpret status to progress fraction
@@ -479,4 +542,18 @@ impl Page {
     pub fn gobject(&self) -> &Box {
         &self.widget.gobject()
     }
+
+    // Tools
+    pub fn migrate(tx: &Transaction) -> Result<(), String> {
+        // Migrate self components
+        if let Err(e) = Database::init(&tx) {
+            return Err(e.to_string());
+        }
+
+        // Delegate migration to childs
+        // nothing yet..
+
+        // Success
+        Ok(())
+    }
 }

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

@@ -0,0 +1,72 @@
+use sqlite::{Error, Transaction};
+
+pub struct Table {
+    pub id: i64,
+    // pub app_browser_window_tab_item_id: i64, not in use
+}
+
+pub struct Database {
+    // nothing yet..
+}
+
+impl Database {
+    pub fn init(tx: &Transaction) -> Result<usize, Error> {
+        tx.execute(
+            "CREATE TABLE IF NOT EXISTS `app_browser_window_tab_item_page`
+            (
+                `id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+                `app_browser_window_tab_item_id` INTEGER NOT NULL
+            )",
+            [],
+        )
+    }
+
+    pub fn add(tx: &Transaction, app_browser_window_tab_item_id: &i64) -> Result<usize, Error> {
+        tx.execute(
+            "INSERT INTO `app_browser_window_tab_item_page` (
+                `app_browser_window_tab_item_id`
+            ) VALUES (?)",
+            [app_browser_window_tab_item_id],
+        )
+    }
+
+    pub fn records(
+        tx: &Transaction,
+        app_browser_window_tab_item_id: &i64,
+    ) -> Result<Vec<Table>, Error> {
+        let mut stmt = tx.prepare(
+            "SELECT `id`,
+                    `app_browser_window_tab_item_id`
+                    FROM `app_browser_window_tab_item_page`
+                    WHERE `app_browser_window_tab_item_id` = ?",
+        )?;
+
+        let result = stmt.query_map([app_browser_window_tab_item_id], |row| {
+            Ok(Table {
+                id: row.get(0)?,
+                // app_browser_window_tab_item_id: row.get(1)?, not in use
+            })
+        })?;
+
+        let mut records = Vec::new();
+
+        for record in result {
+            let table = record?;
+            records.push(table);
+        }
+
+        Ok(records)
+    }
+
+    pub fn delete(tx: &Transaction, id: &i64) -> Result<usize, Error> {
+        tx.execute(
+            "DELETE FROM `app_browser_window_tab_item_page` WHERE `id` = ?",
+            [id],
+        )
+    }
+
+    /* not in use
+    pub fn last_insert_id(tx: &Transaction) -> i64 {
+        tx.last_insert_rowid()
+    } */
+}