Add SQLite database and repositories, remove old routes

Introduces a new SQLite database setup using better-sqlite3, with initialization scripts and repository modules for users, permissions, and licenses. Removes legacy user and register routes and related test files. Updates dependencies to include better-sqlite3, bcryptjs, and ftp-srv.

repositories/licenceRepository.js

@@ -0,0 +1,75 @@
+const database = require("../modules/database")
+
+function create(key, productId, targetChannel) {
+    const query = `
+        INSERT INTO licenses (
+            key,
+            productId,
+            targetChannel
+        )
+        VALUES (
+            ?,
+            ?,
+            ?
+        )
+    `
+    const statement = database.prepare(query)
+    return statement.run(key, productId, targetChannel)
+}
+
+function findByKey(key) {
+    const query = `
+        SELECT id, key, productId, targetChannel, userId, usedAt
+            FROM licenses
+            WHERE key = ?
+    `
+    const statement = database.prepare(query)
+    return statement.get(key)
+}
+
+function activate(licenseId, userId) {
+    const query = `
+        UPDATE licenses
+            SET userId = ?, usedAt = CURRENT_TIMESTAMP
+            WHERE id = ? AND userId IS NULL
+    `
+    const statement = database.prepare(query)
+    return statement.run(userId, licenseId)
+}
+
+function deactivate(licenseId, userId) {
+    const query = `
+        UPDATE licenses
+            SET userId = ?, usedAt = NULL
+            WHERE id = ? AND userId IS NULL
+    `
+    const statement = database.prepare(query)
+    return statement.run(userId, licenseId)
+}
+
+function findByProduct(productId) {
+    const query = `
+        SELECT * FROM licenses
+            WHERE productId = ?
+    `
+    const statement = database.prepare(query)
+    return statement.all(productId)
+}
+
+function remove(id) {
+    const query = `
+        DELETE FROM licenses
+            WHERE id = ?
+    `
+    const statement = database.prepare(query)
+    return statement.run(id)
+}
+
+module.exports = {
+    create,
+    remove,
+    activate,
+    findByKey,
+    deactivate,
+    findByProduct,
+}

repositories/permissionsRepository.js

@@ -0,0 +1,61 @@
+const database = require("../modules/database")
+
+function grant(userId, productId, channel, permissionKey) {
+    const query = `
+        INSERT INTO permissions (
+            userId,
+            productId,
+            channel,
+            permissionKey
+        )
+
+        VALUES (
+            ?,
+            ?,
+            ?,
+            ?
+        )
+    `
+    const statement = database.prepare(query)
+    return statement.run(userId, productId, channel, permissionKey)
+}
+
+function revoke(userId, productId, channel, permissionKey) {
+    const query = `
+        DELETE FROM permissions 
+            WHERE userId = ? 
+                AND productId = ? 
+                AND channel = ? 
+                AND permissionKey = ?
+    `
+    const statement = database.prepare(query)
+    return statement.run(userId, productId, channel, permissionKey)
+}
+
+function findByUserAndProduct(userId, productId) {
+    const query = `
+        SELECT channel, permissionKey 
+            FROM permissions 
+            WHERE userId = ?
+                AND productId = ?
+    `
+    const statement = database.prepare(query)
+    return statement.all(userId, productId)
+}
+
+function revokeAllOnProduct(userId, productId) {
+    const query = `
+        DELETE FROM permissions 
+            WHERE userId = ? 
+                AND productId = ?
+    `
+    const statement = database.prepare(query)
+    return statement.run(userId, productId)
+}
+
+module.exports = {
+    grant,
+    revoke,
+    findByUserAndProduct,
+    revokeAllOnProduct
+};

repositories/userRepository.js

@@ -0,0 +1,85 @@
+const database = require("../modules/database")
+
+function register(firstName = null, lastName = null, username, hashedPassword) {
+    const query = `
+        INSERT INTO accounts (
+            firstName,
+            lastName,
+            username,
+            password
+        )
+            
+        VALUES (
+            ?,
+            ?,
+            ?,
+            ?
+        )
+    `
+    const statement = database.prepare(query)
+    return statement.run(firstName, lastName, username, hashedPassword)
+}
+
+function remove(id) {
+    const query = `
+        DELETE FROM accounts
+            WHERE id = ?
+    `
+    const statement = database.prepare(query)
+    return statement.run(id)
+}
+
+function changePassword(id, hashedPassword) {
+    const query = `
+        UPDATE accounts
+            SET password = ?
+            WHERE id = ?
+    `
+    const statement = database.prepare(query)
+    return statement.run(id, hashedPassword)
+}
+
+function findByUsername(identifier) {
+    const query = `
+        SELECT id, username, password
+            FROM accounts
+            WHERE username = ?
+    `
+    const statement = database.prepare(query)
+    return statement.get(identifier)
+}
+
+function findById(identifier) {
+    const query = `
+        SELECT id, firstName, lastName, username, createdAt
+            FROM accounts
+            WHERE id = ?
+    `
+    const statement = database.prepare(query)
+    return statement.get(identifier)
+}
+
+function hasPermission(userId, productName, channel, permission) {
+    const query = `
+        SELECT 1 FROM permissions p
+        JOIN products pr ON p.product_id = pr.id
+        WHERE p.user_id = ? 
+        AND pr.name = ?
+        AND (p.channel = ? OR p.channel = '*')
+        AND p.permission_key = ?
+    `
+
+    const stmt = db.prepare(query)
+    const result = stmt.get(userId, productName, channel, permission)
+
+    return !!result
+}
+
+module.exports = {
+    remove,
+    register,
+    findById,
+    hasPermission,
+    findByUsername,
+    changePassword,
+}