[CVAT-UI] Better labels validation and fixed React warning (#1727)

* Better validation

* Temporary ID generation for created labels and attributes (fixes React warning)

* Updated version and changelog

* Fixed bug with existing labels

CHANGELOG.md

@@ -13,6 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Shortcut to change color of an activated shape in new UI (Enter) (<https://github.com/opencv/cvat/pull/1683>)
 - Shortcut to switch split mode (<https://github.com/opencv/cvat/pull/1683>)
 - Built-in search for labels when create an object or change a label (<https://github.com/opencv/cvat/pull/1683>)
+- Better validation of labels and attributes in raw viewer (<https://github.com/opencv/cvat/pull/1727>)
 
 ### Changed
 - Removed information about e-mail from the basic user information (<https://github.com/opencv/cvat/pull/1627>)
@@ -32,6 +33,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Wrong rexex for account name validation (<https://github.com/opencv/cvat/pull/1667>)
 - Wrong description on register view for the username field (<https://github.com/opencv/cvat/pull/1667>)
 - Wrong resolution for resizing a shape (<https://github.com/opencv/cvat/pull/1667>)
+- React warning because of not unique keys in labels viewer (<https://github.com/opencv/cvat/pull/1727>)
+
 
 ### Security
 - SQL injection in Django `CVE-2020-9402` (<https://github.com/opencv/cvat/pull/1657>)

cvat-ui/package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "cvat-ui",
-  "version": "1.3.0",
+  "version": "1.3.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {

cvat-ui/package.json

@@ -1,6 +1,6 @@
 {
   "name": "cvat-ui",
-  "version": "1.3.0",
+  "version": "1.3.1",
   "description": "CVAT single-page application",
   "main": "src/index.tsx",
   "scripts": {

cvat-ui/src/components/labels-editor/common.ts

@@ -18,6 +18,59 @@ export interface Label {
 
 let id = 0;
 
+function validateParsedAttribute(attr: Attribute): void {
+    if (typeof (attr.name) !== 'string') {
+        throw new Error(`Type of attribute name must be a string. Got value ${attr.name}`);
+    }
+
+    if (!['number', 'undefined'].includes(typeof (attr.id))) {
+        throw new Error(`Attribute: "${attr.name}". `
+        + `Type of attribute id must be a number or undefined. Got value ${attr.id}`);
+    }
+
+    if (!['checkbox', 'number', 'text', 'radio', 'select'].includes((attr.input_type || '').toLowerCase())) {
+        throw new Error(`Attribute: "${attr.name}". `
+        + `Unknown input type: ${attr.input_type}`);
+    }
+
+    if (typeof (attr.mutable) !== 'boolean') {
+        throw new Error(`Attribute: "${attr.name}". `
+        + `Mutable flag must be a boolean value. Got value ${attr.mutable}`);
+    }
+
+    if (!Array.isArray(attr.values)) {
+        throw new Error(`Attribute: "${attr.name}". `
+        + `Attribute values must be an array. Got type ${typeof (attr.values)}`);
+    }
+
+    for (const value of attr.values) {
+        if (typeof (value) !== 'string') {
+            throw new Error(`Attribute: "${attr.name}". `
+            + `Each value must be a string. Got value ${value}`);
+        }
+    }
+}
+
+export function validateParsedLabel(label: Label): void {
+    if (typeof (label.name) !== 'string') {
+        throw new Error(`Type of label name must be a string. Got value ${label.name}`);
+    }
+
+    if (!['number', 'undefined'].includes(typeof (label.id))) {
+        throw new Error(`Label "${label.name}". `
+        + `Type of label id must be only a number or undefined. Got value ${label.id}`);
+    }
+
+    if (!Array.isArray(label.attributes)) {
+        throw new Error(`Label "${label.name}". `
+        + `attributes must be an array. Got type ${typeof (label.attributes)}`);
+    }
+
+    for (const attr of label.attributes) {
+        validateParsedAttribute(attr);
+    }
+}
+
 export function idGenerator(): number {
     return --id;
 }

cvat-ui/src/components/labels-editor/raw-viewer.tsx

@@ -12,6 +12,8 @@ import Form, { FormComponentProps } from 'antd/lib/form/Form';
 import {
     Label,
     Attribute,
+    validateParsedLabel,
+    idGenerator,
 } from './common';
 
 type Props = FormComponentProps & {
@@ -22,7 +24,18 @@ type Props = FormComponentProps & {
 class RawViewer extends React.PureComponent<Props> {
     private validateLabels = (_: any, value: string, callback: any): void => {
         try {
-            JSON.parse(value);
+            const parsed = JSON.parse(value);
+            if (!Array.isArray(parsed)) {
+                callback('Field is expected to be a JSON array');
+            }
+
+            for (const label of parsed) {
+                try {
+                    validateParsedLabel(label);
+                } catch (error) {
+                    callback(error.toString());
+                }
+            }
         } catch (error) {
             callback(error.toString());
         }
@@ -39,7 +52,14 @@ class RawViewer extends React.PureComponent<Props> {
         e.preventDefault();
         form.validateFields((error, values): void => {
             if (!error) {
-                onSubmit(JSON.parse(values.labels));
+                const parsed = JSON.parse(values.labels);
+                for (const label of parsed) {
+                    label.id = label.id || idGenerator();
+                    for (const attr of label.attributes) {
+                        attr.id = attr.id || idGenerator();
+                    }
+                }
+                onSubmit(parsed);
             }
         });
     };