create separated mod for widget

src/app/browser/widget/database.rs

@@ -0,0 +1,98 @@
+use sqlite::{Connection, Error};
+use std::sync::Arc;
+
+pub struct Table {
+    pub id: i64,
+    pub app_browser_id: i64,
+    // pub time: i64,
+    pub default_width: i32,
+    pub default_height: i32,
+    pub is_maximized: bool,
+}
+
+pub struct Database {
+    connection: Arc<Connection>,
+}
+
+impl Database {
+    pub fn init(connection: Arc<Connection>) -> Result<Database, Error> {
+        connection.execute(
+            "CREATE TABLE IF NOT EXISTS `app_browser_widget`
+            (
+                `id`   INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+                `time` INTEGER NOT NULL DEFAULT (UNIXEPOCH('NOW')),
+                `app_browser_id` INTEGER NOT NULL,
+                `default_width` INTEGER NOT NULL,
+                `default_height` INTEGER NOT NULL,
+                `is_maximized` INTEGER NOT NULL
+            )",
+            [],
+        )?;
+
+        Ok(Self { connection })
+    }
+
+    pub fn add(
+        &self,
+        app_browser_id: i64,
+        default_width: i32,
+        default_height: i32,
+        is_maximized: bool,
+    ) -> Result<usize, Error> {
+        self.connection.execute(
+            "INSERT INTO `app_browser_widget` (
+                `app_browser_id`,
+                `default_width`,
+                `default_height`,
+                `is_maximized`
+            ) VALUES (?, ?, ?, ?)",
+            [
+                app_browser_id,
+                default_width as i64,
+                default_height as i64,
+                match is_maximized {
+                    true => 1,
+                    false => 0,
+                },
+            ],
+        )
+    }
+
+    pub fn records(&self, app_browser_id: i64) -> Result<Vec<Table>, Error> {
+        let mut statement = self.connection.prepare(
+            "SELECT `id`,
+                    `app_browser_id`,
+                    `default_width`,
+                    `default_height`,
+                    `is_maximized` FROM `app_browser_widget` WHERE `app_browser_id` = ?",
+        )?;
+
+        let result = statement.query_map([app_browser_id], |row| {
+            Ok(Table {
+                id: row.get(0)?,
+                app_browser_id: row.get(1)?,
+                default_width: row.get(2)?,
+                default_height: row.get(3)?,
+                is_maximized: row.get(4)?,
+            })
+        })?;
+
+        let mut records = Vec::new();
+
+        for record in result {
+            let table = record?;
+            records.push(table);
+        }
+
+        Ok(records)
+    }
+
+    pub fn delete(&self, id: i64) -> Result<usize, Error> {
+        self.connection
+            .execute("DELETE FROM `app_browser_widget` WHERE `id` = ?", [id])
+    }
+
+    pub fn last_insert_id(&self) -> i64 {
+        self.connection.last_insert_rowid()
+    }
+}