Fixed db bug

The DB was moved to a different file and was returning a reference of the DB. When uploading a new database the original variable containing the DB in the DB file was not updating. Added setters and getters.

app/database/sqlite.database.js

@@ -4,12 +4,26 @@ const db_conf = require("../config/db.conf");
 
 var db;
 
-try {
-    logger.info("Connecting to Database...");
-    db = new Database(db_conf.path, { fileMustExist: true });
-    logger.info("Connected to Database.");
-} catch (error) {
-    logger.error(error.message);
+function connect() {
+    try {
+        logger.info("Connecting to Database...");
+        db = new Database(db_conf.path, { fileMustExist: true });
+        logger.info("Connected to Database.");
+    } catch (error) {
+        logger.error(error.message);
+    }
 }
 
-module.exports = db;
+function getDB() {
+    return db;
+}
+
+function setDB(newDb) {
+    db = newDb;
+}
+
+module.exports = {
+    connect,
+    getDB,
+    setDB,
+};

app/routes/private_routes.js

@@ -25,7 +25,7 @@ router.delete("/remove", async (req, res) => {
 
     if (req.query["element"]) {
         try {
-            const remove = db.prepare(`DELETE FROM ${db_conf.table_name} WHERE Name='${req.query["element"]}';`);
+            const remove = db.getDB().prepare(`DELETE FROM ${db_conf.table_name} WHERE Name='${req.query["element"]}';`);
             if (remove.run()["changes"]) {
                 res.status(200).send();
             } else {
@@ -48,15 +48,15 @@ router.post("/upload", async (req, res) => {
     } else {
         const uploadedFile = req.files.file;
 
-        if (db) {
-            db.close();
+        if (db.getDB()) {
+            db.getDB().close();
         }
         fs.copyFile(uploadedFile.tempFilePath, db_conf.path, (error) => {
             if (error) {
                 logger.error(error);
             } else {
                 try {
-                    db = new Database(db_conf.path, { fileMustExist: true });
+                    db.setDB(new Database(db_conf.path, { fileMustExist: true }));
                 } catch (error) {
                     logger.error(error);
                 }
@@ -90,7 +90,7 @@ router.post("/add", async (req, res) => {
 
             if (values) {
                 values = values.slice(0, -1);
-                const update = db.prepare(`INSERT INTO ${db_conf.table_name} VALUES (${values});`);
+                const update = db.getDB().prepare(`INSERT INTO ${db_conf.table_name} VALUES (${values});`);
                 update.run();
                 res.status(200).send();
             } else {
@@ -123,7 +123,7 @@ router.post("/edit", async (req, res) => {
 
             if (values) {
                 values = values.slice(0, -1);
-                const update = db.prepare(`UPDATE ${db_conf.table_name} SET ${values} WHERE Name='${req.query["element"]}'`);
+                const update = db.getDB().prepare(`UPDATE ${db_conf.table_name} SET ${values} WHERE Name='${req.query["element"]}'`);
                 update.run();
                 res.status(200).send();
             } else {
@@ -142,7 +142,7 @@ router.get("/add", async (req, res) => {
     logger.info(`${req.method}: "${req.url}" => ${req.get("User-Agent")}`);
 
     try {
-        const select_get = db.prepare(`SELECT * FROM ${db_conf.table_name};`);
+        const select_get = db.getDB().prepare(`SELECT * FROM ${db_conf.table_name};`);
         const row = select_get.get();
 
         const sql_header = Object.keys(row);
@@ -154,7 +154,7 @@ router.get("/add", async (req, res) => {
             for (const key of sql_header) {
                 table_header += `<th>${key}</th>\n`;
 
-                const select_distinct = db.prepare(`
+                const select_distinct = db.getDB().prepare(`
                     SELECT DISTINCT ${key}
                     FROM ${db_conf.table_name};
                     `);
@@ -200,7 +200,7 @@ router.get("/edit", async (req, res) => {
 
     if (req.query["element"]) {
         try {
-            const select_get = db.prepare(`SELECT * FROM ${db_conf.table_name} WHERE Name='${req.query["element"]}';`);
+            const select_get = db.getDB().prepare(`SELECT * FROM ${db_conf.table_name} WHERE Name='${req.query["element"]}';`);
             const row = select_get.get();
 
             if (row) {
@@ -212,7 +212,7 @@ router.get("/edit", async (req, res) => {
                 for (const key of sql_header) {
                     table_header += `<th>${key}</th>\n`;
 
-                    const select_distinct = db.prepare(`
+                    const select_distinct = db.getDB().prepare(`
                     SELECT DISTINCT ${key}
                     FROM ${db_conf.table_name}
                     WHERE ${key} IS NOT NULL
@@ -268,7 +268,7 @@ router.get("/", async (req, res) => {
     logger.info(`${req.method}: "${req.url}" => ${req.get("User-Agent")}`);
 
     try {
-        const select = db.prepare(`SELECT * FROM ${db_conf.table_name}`);
+        const select = db.getDB().prepare(`SELECT * FROM ${db_conf.table_name}`);
         const rows = select.all();
 
         if (rows[0]) {

server.js

@@ -41,7 +41,7 @@ app.set("view engine", "ejs");
 app.set("views", path.join(__dirname, app_conf.views_directory));
 const server = app.listen(app_conf.port, () => {
     logger.info("Starting Database Editor.");
-
+    db.connect();
     fs.rm(path.join(__dirname, app_conf.temp_directory, "/."), { recursive: true }, (error) => {
         if (error == null) {
             logger.info("Removed temp directory.");
@@ -73,7 +73,7 @@ function shutdown() {
     shutting_down = true;
     logger.info("Closing Database connection.");
     try {
-        db.close();
+        db.getDB().close();
     } catch (error) {
         logger.error(error.message);
     }