implement navigation session restore

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

@@ -467,7 +467,7 @@ impl Page {
                     match Database::delete(transaction, &record.id) {
                         Ok(_) => {
                             // Delegate clean action to the item childs
-                            // nothing yet..
+                            self.navigation.clean(transaction, &record.id)?;
                         }
                         Err(e) => return Err(e.to_string()),
                     }
@@ -486,9 +486,9 @@ impl Page {
     ) -> Result<(), String> {
         match Database::records(transaction, app_browser_window_tab_item_id) {
             Ok(records) => {
-                for _record in records {
+                for record in records {
                     // Delegate restore action to the item childs
-                    // nothing yet..
+                    self.navigation.restore(transaction, &record.id)?;
                 }
             }
             Err(e) => return Err(e.to_string()),
@@ -504,10 +504,10 @@ impl Page {
     ) -> Result<(), String> {
         match Database::add(transaction, app_browser_window_tab_item_id) {
             Ok(_) => {
-                // let id = Database::last_insert_id(transaction);
+                let id = Database::last_insert_id(transaction);
 
                 // Delegate save action to childs
-                // nothing yet..
+                self.navigation.save(transaction, &id)?;
             }
             Err(e) => return Err(e.to_string()),
         }
@@ -546,12 +546,12 @@ impl Page {
     // Tools
     pub fn migrate(tx: &Transaction) -> Result<(), String> {
         // Migrate self components
-        if let Err(e) = Database::init(&tx) {
+        if let Err(e) = Database::init(tx) {
             return Err(e.to_string());
         }
 
         // Delegate migration to childs
-        // nothing yet..
+        Navigation::migrate(tx)?;
 
         // Success
         Ok(())

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

@@ -65,8 +65,7 @@ impl Database {
         )
     }
 
-    /* not in use
     pub fn last_insert_id(tx: &Transaction) -> i64 {
         tx.last_insert_rowid()
-    } */
+    }
 }

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

@@ -1,11 +1,13 @@
 mod base;
 mod bookmark;
+mod database;
 mod history;
 mod reload;
 mod request;
 
 use base::Base;
 use bookmark::Bookmark;
+use database::Database;
 use history::History;
 use reload::Reload;
 use request::Request;
@@ -16,6 +18,7 @@ use gtk::{
     prelude::{BoxExt, WidgetExt},
     Box, DirectionType, Orientation,
 };
+use sqlite::Transaction;
 
 use std::sync::Arc;
 
@@ -106,6 +109,65 @@ impl Navigation {
         self.bookmark.update();
     }
 
+    pub fn clean(
+        &self,
+        transaction: &Transaction,
+        app_browser_window_tab_item_page_id: &i64,
+    ) -> Result<(), String> {
+        match Database::records(transaction, app_browser_window_tab_item_page_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_page_id: &i64,
+    ) -> Result<(), String> {
+        match Database::records(transaction, app_browser_window_tab_item_page_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_page_id: &i64,
+    ) -> Result<(), String> {
+        match Database::add(transaction, app_browser_window_tab_item_page_id) {
+            Ok(_) => {
+                // let id = Database::last_insert_id(transaction);
+
+                // Delegate save action to childs
+                // nothing yet..
+            }
+            Err(e) => return Err(e.to_string()),
+        }
+
+        Ok(())
+    }
+
     // Setters
     pub fn set_request_text(&self, value: &GString) {
         // Focus out from content area on activate the link @TODO
@@ -126,4 +188,18 @@ impl Navigation {
     pub fn request_text(&self) -> GString {
         self.request.text()
     }
+
+    // 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/navigation/database.rs

@@ -0,0 +1,75 @@
+use sqlite::{Error, Transaction};
+
+pub struct Table {
+    pub id: i64,
+    // pub app_browser_window_tab_item_page_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_navigation`
+            (
+                `id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+                `app_browser_window_tab_item_page_id` INTEGER NOT NULL
+            )",
+            [],
+        )
+    }
+
+    pub fn add(
+        tx: &Transaction,
+        app_browser_window_tab_item_page_id: &i64,
+    ) -> Result<usize, Error> {
+        tx.execute(
+            "INSERT INTO `app_browser_window_tab_item_page_navigation` (
+                `app_browser_window_tab_item_page_id`
+            ) VALUES (?)",
+            [app_browser_window_tab_item_page_id],
+        )
+    }
+
+    pub fn records(
+        tx: &Transaction,
+        app_browser_window_tab_item_page_id: &i64,
+    ) -> Result<Vec<Table>, Error> {
+        let mut stmt = tx.prepare(
+            "SELECT `id`,
+                    `app_browser_window_tab_item_page_id`
+                    FROM `app_browser_window_tab_item_page_navigation`
+                    WHERE `app_browser_window_tab_item_page_id` = ?",
+        )?;
+
+        let result = stmt.query_map([app_browser_window_tab_item_page_id], |row| {
+            Ok(Table {
+                id: row.get(0)?,
+                // app_browser_window_tab_item_page_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_navigation` WHERE `id` = ?",
+            [id],
+        )
+    }
+
+    /* not in use
+    pub fn last_insert_id(tx: &Transaction) -> i64 {
+        tx.last_insert_rowid()
+    } */
+}