Initial commit - Church Music Database

new-site/backend/middleware/validate.js

@@ -0,0 +1,79 @@
+import { body, validationResult } from "express-validator";
+
+export const validate = (validations) => {
+  return async (req, res, next) => {
+    await Promise.all(validations.map((validation) => validation.run(req)));
+
+    const errors = validationResult(req);
+    if (errors.isEmpty()) {
+      return next();
+    }
+
+    res.status(400).json({
+      error: "Validation Error",
+      details: errors.array().map((err) => ({
+        field: err.path,
+        message: err.msg,
+      })),
+    });
+  };
+};
+
+// Auth validations
+export const loginValidation = [
+  body("email").isEmail().normalizeEmail().withMessage("Valid email required"),
+  body("password")
+    .isLength({ min: 6 })
+    .withMessage("Password must be at least 6 characters"),
+];
+
+export const registerValidation = [
+  body("name")
+    .trim()
+    .isLength({ min: 2 })
+    .withMessage("Name must be at least 2 characters"),
+  body("email").isEmail().normalizeEmail().withMessage("Valid email required"),
+  body("password")
+    .isLength({ min: 8 })
+    .withMessage("Password must be at least 8 characters")
+    .matches(/\d/)
+    .withMessage("Password must contain at least one number"),
+];
+
+// Song validations
+export const songValidation = [
+  body("title").trim().notEmpty().withMessage("Title is required"),
+  body("key")
+    .optional()
+    .isIn([
+      "C",
+      "C#",
+      "Db",
+      "D",
+      "D#",
+      "Eb",
+      "E",
+      "F",
+      "F#",
+      "Gb",
+      "G",
+      "G#",
+      "Ab",
+      "A",
+      "A#",
+      "Bb",
+      "B",
+    ]),
+  body("tempo")
+    .optional()
+    .isInt({ min: 40, max: 220 })
+    .withMessage("Tempo must be between 40 and 220"),
+  body("lyrics").optional().isString(),
+];
+
+// List validations
+export const listValidation = [
+  body("name").trim().notEmpty().withMessage("Name is required"),
+  body("date").optional().isISO8601().withMessage("Valid date required"),
+  body("songs").optional().isArray(),
+];