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src/components/Courses/functions.js

@@ -0,0 +1,67 @@
+import { validateEmail } from '../../utils/functions/validateEmail';
+
+export function validateForm(fields) {
+  let hasError = false;
+  const { students = '', tutors = '', title, description } = fields;
+  const fieldErrors = {
+    tutors: '',
+    students: '',
+    title: '',
+    description: '',
+  };
+
+  const _tutors =
+    tutors.length < 5
+      ? []
+      : tutors.split(',').map((_email) => {
+          const email = _email.trim();
+
+          if (!validateEmail(email)) {
+            hasError = true;
+            fieldErrors.tutors += !fieldErrors.tutors.length
+              ? `Not valid email: ${email}`
+              : `, ${email}`;
+          }
+
+          return email;
+        });
+
+  const _students =
+    students.length < 5
+      ? []
+      : students.split(',').map((_email) => {
+          const email = _email.trim();
+
+          if (!validateEmail(email)) {
+            hasError = true;
+            fieldErrors.students += !fieldErrors.students.length
+              ? `Not valid email: ${email}`
+              : `, ${email}`;
+          }
+
+          return email;
+        });
+
+  if (!title) {
+    fieldErrors.title = 'Title is required';
+    return {
+      hasError: true,
+      fieldErrors,
+    };
+  }
+
+  if (!description) {
+    fieldErrors.description = 'Description is required';
+    return {
+      hasError: true,
+      fieldErrors,
+    };
+  }
+
+  return {
+    hasError,
+    fieldErrors,
+    tutors: _tutors,
+    students: _students,
+  };
+}