Remove generated file 'frontend.js'
[recipes.git] / backend / src / db.rs
diff --git a/backend/src/db.rs b/backend/src/db.rs
deleted file mode 100644 (file)
index ac97f1b..0000000
+++ /dev/null
@@ -1,142 +0,0 @@
-use std::path::Path;\r
-use std::fs;\r
-\r
-//use rusqlite::types::ToSql;\r
-//use rusqlite::{Connection, Result, NO_PARAMS};\r
-\r
-//extern crate r2d2;\r
-//extern crate r2d2_sqlite;\r
-//extern crate rusqlite;\r
-\r
-use r2d2_sqlite::SqliteConnectionManager;\r
-use r2d2::Pool;\r
-\r
-#[derive(Debug)]\r
-pub enum DbError {\r
-    SqliteError(rusqlite::Error),\r
-    R2d2Error(r2d2::Error),\r
-    UnsupportedVersion(i32),\r
-}\r
-\r
-use super::consts;\r
-\r
-const CURRENT_DB_VERSION: u32 = 1;\r
-\r
-pub struct Connection {\r
-    //con: rusqlite::Connection\r
-    pool: Pool<SqliteConnectionManager>\r
-}\r
-\r
-pub struct Recipe {\r
-    pub title: String,\r
-    pub id: i32,\r
-}\r
-\r
-impl std::convert::From<rusqlite::Error> for DbError  {\r
-    fn from(error: rusqlite::Error) -> Self {\r
-        DbError::SqliteError(error)\r
-    }\r
-}\r
-\r
-impl std::convert::From<r2d2::Error> for DbError  {\r
-    fn from(error: r2d2::Error) -> Self {\r
-        DbError::R2d2Error(error)\r
-    }\r
-}\r
-\r
-impl Connection {\r
-    pub fn new() -> Result<Connection, DbError> {\r
-\r
-        let data_dir = Path::new(consts::DB_DIRECTORY);\r
-\r
-        if !data_dir.exists() {\r
-            fs::DirBuilder::new().create(data_dir).unwrap();\r
-        }\r
-\r
-        let manager = SqliteConnectionManager::file("file.db");\r
-        let pool = r2d2::Pool::new(manager).unwrap();\r
-\r
-        let connection = Connection { pool };\r
-        connection.create_or_update()?;\r
-        Ok(connection)\r
-    }\r
-\r
-    /*\r
-     * Called after the connection has been established for creating or updating the database.\r
-     * The 'Version' table tracks the current state of the database.\r
-     */\r
-    fn create_or_update(self: &Self) -> Result<(), DbError> {\r
-        // let connection = Connection::new();\r
-        // let mut stmt = connection.sqlite_con.prepare("SELECT * FROM versions ORDER BY date").unwrap();\r
-        // let mut stmt = connection.sqlite_con.prepare("SELECT name FROM sqlite_master WHERE type='table' AND name='versions'").unwrap();\r
-\r
-        // Check the Database version.\r
-        let mut con = self.pool.get()?;\r
-        let tx = con.transaction()?;\r
-\r
-        let mut version = {\r
-            match tx.query_row(\r
-                    "SELECT [name] FROM [sqlite_master] WHERE [type] = 'table' AND [name] = 'Version'",\r
-                        rusqlite::NO_PARAMS,\r
-                        |row| row.get::<usize, String>(0)\r
-                    ) {\r
-                Ok(_) => tx.query_row("SELECT [version] FROM [Version]", rusqlite::NO_PARAMS, |row| row.get(0)).unwrap_or_default(),\r
-                Err(_) => 0\r
-            }\r
-        };\r
-\r
-        while Connection::update_to_next_version(version, &tx)? {\r
-            version += 1;\r
-        }\r
-\r
-        tx.commit()?;\r
-\r
-        Ok(())\r
-    }\r
-\r
-    fn update_to_next_version(version: i32, tx: &rusqlite::Transaction) -> Result<bool, DbError> {\r
-        match version {\r
-            0 => {\r
-                println!("Update to version 1...");\r
-\r
-                // Initial structure.\r
-                tx.execute_batch(\r
-                    "\r
-                    CREATE TABLE [Version] (\r
-                        [id] INTEGER PRIMARY KEY,\r
-                        [version] INTEGER NOT NULL UNIQUE,\r
-                        [datetime] INTEGER DATETIME\r
-                    );\r
-\r
-                    CREATE TABLE [Recipe] (\r
-                        [id] INTEGER PRIMARY KEY,\r
-                        [title] INTEGER NOT NULL,\r
-                        [description] INTEGER DATETIME\r
-                    );\r
-                    "\r
-                )?;\r
-\r
-                /*\r
-                tx.execute(\r
-                    "\r
-                    INSERT INTO Version\r
-                    ",\r
-                    rusqlite::NO_PARAMS\r
-                );*/\r
-\r
-                Ok(true)\r
-            }\r
-\r
-            // Current version.\r
-            1 =>\r
-                Ok(false),\r
-\r
-            v =>\r
-                Err(DbError::UnsupportedVersion(v)),\r
-        }\r
-    }\r
-\r
-    pub fn get_all_recipes() {\r
-\r
-    }\r
-}
\ No newline at end of file