[Viz Builder] State validation before dispatching and loading (#2351)

* State validation before dispatching Validate style and visualization state schema before dispatching state updates when loading wizard. Show error via toast. Signed-off-by: abbyhu2000 <abigailhu2000@gmail.com> * Fixes and add unit tests Signed-off-by: abbyhu2000 <abigailhu2000@gmail.com> * Add PR to changelog.md Signed-off-by: abbyhu2000 <abigailhu2000@gmail.com> Signed-off-by: abbyhu2000 <abigailhu2000@gmail.com>
opensearch-project · Sep 29, 2022 · 0279588 · 0279588
1 parent 4078721
commit 0279588
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -41,6 +41,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 ### 📈 Features/Enhancements
 
 * Add updated_at column to objects' tables ([#1218](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/1218)) 
+* [Viz Builder] State validation before dispatching and loading ([#2351](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/2351))
 
 ### 🐛 Bug Fixes
 

diff --git a/package.json b/package.json
@@ -145,6 +145,7 @@
     "@types/yauzl": "^2.9.1",
     "JSONStream": "1.3.5",
     "abortcontroller-polyfill": "^1.4.0",
+    "ajv": "^8.11.0",
     "angular": "^1.8.2",
     "angular-elastic": "^2.5.1",
     "angular-sanitize": "^1.8.0",

diff --git a/src/plugins/wizard/public/application/utils/schema.json b/src/plugins/wizard/public/application/utils/schema.json
@@ -0,0 +1,28 @@
+{
+    "type": "object",
+    "properties": {
+      "styleState": {
+        "type": "object"
+      },
+      "visualizationState": {
+        "type": "object",
+        "properties": {
+          "activeVisualization": {
+            "type": "object",
+            "properties": {
+              "name": { "type": "string" },
+              "aggConfigParams": { "type": "array" }
+            },
+            "required": ["name", "aggConfigParams"],
+            "additionalProperties": false
+          },
+          "indexPattern": { "type": "string" },
+          "searchField": { "type": "string" }
+        },
+        "required": ["searchField"],
+        "additionalProperties": false
+      }
+    },
+    "required": ["styleState", "visualizationState"],
+    "additionalProperties": false
+}
diff --git a/src/plugins/wizard/public/application/utils/use/use_saved_wizard_vis.ts b/src/plugins/wizard/public/application/utils/use/use_saved_wizard_vis.ts
@@ -7,6 +7,7 @@ import { i18n } from '@osd/i18n';
 import { useEffect, useState } from 'react';
 import { SavedObject } from '../../../../../saved_objects/public';
 import {
+  InvalidJSONProperty,
   redirectWhenMissing,
   SavedObjectNotFound,
 } from '../../../../../opensearch_dashboards_utils/public';
@@ -23,6 +24,7 @@ import {
 } from '../state_management';
 import { useOpenSearchDashboards } from '../../../../../opensearch_dashboards_react/public';
 import { setEditorState } from '../state_management/metadata_slice';
+import { validateWizardState } from '../wizard_state_validation';
 
 // This function can be used when instantiating a saved vis or creating a new one
 // using url parameters, embedding and destroying it in DOM
@@ -39,6 +41,14 @@ export const useSavedWizardVis = (visualizationIdFromUrl: string | undefined) =>
       http: { basePath },
       toastNotifications,
     } = services;
+    const toastNotification = (message) => {
+      toastNotifications.addDanger({
+        title: i18n.translate('visualize.createVisualization.failedToLoadErrorMessage', {
+          defaultMessage: 'Failed to load the visualization',
+        }),
+        text: message,
+      });
+    };
     const loadSavedWizardVis = async () => {
       try {
         const savedWizardVis = await getSavedWizardVis(services, visualizationIdFromUrl);
@@ -58,7 +68,16 @@ export const useSavedWizardVis = (visualizationIdFromUrl: string | undefined) =>
             activeVisualization: vizStateWithoutIndex.activeVisualization,
             indexPattern: savedWizardVis.searchSourceFields.index,
           };
-          // TODO: Add validation and transformation, throw/handle errors
+
+          const validateResult = validateWizardState({ styleState, visualizationState });
+          if (!validateResult.valid) {
+            const err = validateResult.errors;
+            if (err) {
+              const errMsg = err[0].instancePath + ' ' + err[0].message;
+              throw new InvalidJSONProperty(errMsg);
+            }
+          }
+
           dispatch(setStyleState<MetricOptionsDefaults>(styleState));
           dispatch(setVisualizationState(visualizationState));
         }
@@ -83,14 +102,12 @@ export const useSavedWizardVis = (visualizationIdFromUrl: string | undefined) =>
               mapping: managementRedirectTarget,
             })(error);
           }
+          if (error instanceof InvalidJSONProperty) {
+            toastNotification(error.message);
+          }
         } catch (e) {
           const message = e instanceof Error ? e.message : '';
-          toastNotifications.addWarning({
-            title: i18n.translate('visualize.createVisualization.failedToLoadErrorMessage', {
-              defaultMessage: 'Failed to load the visualization',
-            }),
-            text: message,
-          });
+          toastNotification(message);
           history.replace(EDIT_PATH);
         }
       }

diff --git a/src/plugins/wizard/public/application/utils/wizard_state_validation.test.ts b/src/plugins/wizard/public/application/utils/wizard_state_validation.test.ts
@@ -0,0 +1,43 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import { validateWizardState } from './wizard_state_validation';
+
+describe('wizard state validation', () => {
+  const validStyleState = {
+    addLegend: true,
+    addTooltip: true,
+    legendPosition: '',
+    type: 'metric',
+  };
+  const validVisualizationState = {
+    activeVisualization: {
+      name: 'metric',
+      aggConfigParams: [],
+    },
+    indexPattern: '',
+    searchField: '',
+  };
+  describe('correct return when validation suceeds', () => {
+    test('with correct wizard state', () => {
+      const validationResult = validateWizardState({
+        styleState: validStyleState,
+        visualizationState: validVisualizationState,
+      });
+      expect(validationResult.valid).toBeTruthy();
+      expect(validationResult.errors).toBeNull();
+    });
+  });
+  describe('correct return with errors when validation fails', () => {
+    test('with non object type styleStyle', () => {
+      const validationResult = validateWizardState({
+        styleState: [],
+        visualizationState: validVisualizationState,
+      });
+      expect(validationResult.valid).toBeFalsy();
+      expect(validationResult.errors).toBeDefined();
+    });
+  });
+});
diff --git a/src/plugins/wizard/public/application/utils/wizard_state_validation.ts b/src/plugins/wizard/public/application/utils/wizard_state_validation.ts
@@ -0,0 +1,19 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import Ajv from 'ajv';
+import wizardStateSchema from './schema.json';
+
+const ajv = new Ajv();
+const validateState = ajv.compile(wizardStateSchema);
+
+export const validateWizardState = (wizardState) => {
+  const isWizardStateValid = validateState(wizardState);
+
+  return {
+    valid: isWizardStateValid,
+    errors: validateState.errors,
+  };
+};
diff --git a/yarn.lock b/yarn.lock
@@ -4368,7 +4368,7 @@ ajv@^6.1.0, ajv@^6.10.0, ajv@^6.10.2, ajv@^6.11.0, ajv@^6.12.3, ajv@^6.12.4, ajv
     json-schema-traverse "^0.4.1"
     uri-js "^4.2.2"
 
-ajv@^8.0.1, ajv@^8.6.2:
+ajv@^8.0.1, ajv@^8.11.0, ajv@^8.6.2:
   version "8.11.0"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-8.11.0.tgz#977e91dd96ca669f54a11e23e378e33b884a565f"
   integrity sha512-wGgprdCvMalC0BztXvitD2hC04YffAvtsUn93JbGXYLAtCUO4xd17mCCZQxUOItiBwZvJScWo8NIvQMQ71rdpg==