some small changes for auth scripts

com/Auth/PutNewUnit.lua

@@ -0,0 +1,86 @@
+-- com/PutNewUnit.lua
+
+---@diagnostic disable: redefined-local
+local db = require("internal.database-sqlite").connect("db/user-database.db", {log = true})
+local log = require("internal.log")
+local session = require("internal.session")
+local crypt = require("internal.crypt.bcrypt")
+
+local function close_db()
+  if db then
+    db:close()
+    db = nil
+  end
+end
+
+local function error_response(message, code, data)
+  session.response.error = {
+    code = code or nil,
+    message = message,
+    data = data or nil
+  }
+  close_db()
+end
+
+if not session.request.params then
+  return error_response("no params provided")
+end
+
+if not session.request.params.token then
+  return error_response("access denied")
+end
+
+if session.request.params.token ~= require("_config").token() then
+  return error_response("access denied")
+end
+
+local params = session.request.params
+if not (params.username and params.email and params.password) then
+  return error_response("no username/email/password provided")
+end
+
+local hashPass = crypt.generate(params.password, crypt.DefaultCost)
+
+local existing, err = db:query("SELECT 1 FROM users WHERE deleted = 0 AND (email = ? OR username = ? OR phone_number = ?) LIMIT 1", {
+  params.email,
+  params.username,
+  params.phone_number
+})
+
+if err ~= nil then
+  log.error("Email check failed: "..tostring(err))
+  return error_response("Database check failed: "..tostring(err))
+end
+
+if existing and #existing > 0 then
+  return error_response("Unit already exists")
+end
+
+local ctx, err = db:exec(
+  "INSERT INTO users (username, email, password, first_name, last_name, phone_number) VALUES (?, ?, ?, ?, ?, ?)",
+  {
+    params.username,
+    params.email,
+    hashPass,
+    params.first_name or "",
+    params.last_name or "",
+    params.phone_number or ""
+  }
+)
+if err ~= nil then
+  log.error("Insert failed: "..tostring(err))
+  return error_response("Insert failed: "..tostring(err))
+end
+
+local res, err = ctx:wait()
+if err ~= nil then
+  log.error("Insert confirmation failed: "..tostring(err))
+  return error_response("Insert confirmation failed: "..tostring(err))
+end
+
+session.response.result = {
+  rows_affected = res,
+  message = "Unit created successfully"
+}
+
+close_db()