DDM in DE for NOSQL (#2224)

* ddm for DE for noSQL

* ddm for DE for noSQL

* ddm for DE for noSQL

* ddm fix for the default case and test fix

* formatting issue

* updated the text change

* added validation errors

---------

Co-authored-by: Sakshi Gupta <sakshig@microsoft.com>

src/Explorer/Controls/Settings/SettingsSubComponents/DataMaskingComponent.tsx

@@ -0,0 +1,163 @@
+import { MessageBar, MessageBarType, Stack } from "@fluentui/react";
+import * as monaco from "monaco-editor";
+import * as React from "react";
+import * as Constants from "../../../../Common/Constants";
+import * as DataModels from "../../../../Contracts/DataModels";
+import { isCapabilityEnabled } from "../../../../Utils/CapabilityUtils";
+import { loadMonaco } from "../../../LazyMonaco";
+import { titleAndInputStackProps, unsavedEditorWarningMessage } from "../SettingsRenderUtils";
+import { isDirty as isContentDirty } from "../SettingsUtils";
+
+export interface DataMaskingComponentProps {
+  shouldDiscardDataMasking: boolean;
+  resetShouldDiscardDataMasking: () => void;
+  dataMaskingContent: DataModels.DataMaskingPolicy;
+  dataMaskingContentBaseline: DataModels.DataMaskingPolicy;
+  onDataMaskingContentChange: (dataMasking: DataModels.DataMaskingPolicy) => void;
+  onDataMaskingDirtyChange: (isDirty: boolean) => void;
+  validationErrors: string[];
+}
+
+interface DataMaskingComponentState {
+  isDirty: boolean;
+  dataMaskingContentIsValid: boolean;
+}
+
+const emptyDataMaskingPolicy: DataModels.DataMaskingPolicy = {
+  includedPaths: [
+    {
+      path: "/",
+      strategy: "Default",
+      startPosition: 0,
+      length: -1,
+    },
+  ],
+  excludedPaths: [],
+  policyFormatVersion: 2,
+  isPolicyEnabled: false,
+};
+
+export class DataMaskingComponent extends React.Component<DataMaskingComponentProps, DataMaskingComponentState> {
+  private dataMaskingDiv = React.createRef<HTMLDivElement>();
+  private dataMaskingEditor: monaco.editor.IStandaloneCodeEditor;
+  private shouldCheckComponentIsDirty = true;
+
+  constructor(props: DataMaskingComponentProps) {
+    super(props);
+    this.state = {
+      isDirty: false,
+      dataMaskingContentIsValid: true,
+    };
+  }
+
+  public componentDidUpdate(): void {
+    if (this.props.shouldDiscardDataMasking) {
+      this.resetDataMaskingEditor();
+      this.props.resetShouldDiscardDataMasking();
+    }
+    this.onComponentUpdate();
+  }
+
+  componentDidMount(): void {
+    this.resetDataMaskingEditor();
+    this.onComponentUpdate();
+  }
+
+  private onComponentUpdate = (): void => {
+    if (!this.shouldCheckComponentIsDirty) {
+      this.shouldCheckComponentIsDirty = true;
+      return;
+    }
+    this.props.onDataMaskingDirtyChange(this.IsComponentDirty());
+    this.shouldCheckComponentIsDirty = false;
+  };
+
+  public IsComponentDirty = (): boolean => {
+    if (
+      isContentDirty(this.props.dataMaskingContent, this.props.dataMaskingContentBaseline) &&
+      this.state.dataMaskingContentIsValid
+    ) {
+      return true;
+    }
+    return false;
+  };
+
+  private resetDataMaskingEditor = (): void => {
+    if (!this.dataMaskingEditor) {
+      this.createDataMaskingEditor();
+    } else {
+      const dataMaskingEditorModel = this.dataMaskingEditor.getModel();
+      const value: string = JSON.stringify(this.props.dataMaskingContent || emptyDataMaskingPolicy, undefined, 4);
+      dataMaskingEditorModel.setValue(value);
+    }
+    this.onComponentUpdate();
+  };
+
+  private async createDataMaskingEditor(): Promise<void> {
+    const value: string = JSON.stringify(this.props.dataMaskingContent || emptyDataMaskingPolicy, undefined, 4);
+    const monaco = await loadMonaco();
+    this.dataMaskingEditor = monaco.editor.create(this.dataMaskingDiv.current, {
+      value: value,
+      language: "json",
+      automaticLayout: true,
+      ariaLabel: "Data Masking Policy",
+      fontSize: 13,
+      minimap: { enabled: false },
+      wordWrap: "off",
+      scrollBeyondLastLine: false,
+      lineNumbers: "on",
+    });
+    if (this.dataMaskingEditor) {
+      const dataMaskingEditorModel = this.dataMaskingEditor.getModel();
+      dataMaskingEditorModel.onDidChangeContent(this.onEditorContentChange.bind(this));
+    }
+  }
+
+  private onEditorContentChange = (): void => {
+    const dataMaskingEditorModel = this.dataMaskingEditor.getModel();
+    try {
+      const newContent = JSON.parse(dataMaskingEditorModel.getValue()) as DataModels.DataMaskingPolicy;
+
+      // Always call parent's validation - it will handle validation and store errors
+      this.props.onDataMaskingContentChange(newContent);
+
+      const isDirty = isContentDirty(newContent, this.props.dataMaskingContentBaseline);
+      this.setState(
+        {
+          dataMaskingContentIsValid: this.props.validationErrors.length === 0,
+          isDirty,
+        },
+        () => {
+          this.props.onDataMaskingDirtyChange(isDirty);
+        },
+      );
+    } catch (e) {
+      // Invalid JSON - mark as invalid without propagating
+      this.setState({
+        dataMaskingContentIsValid: false,
+        isDirty: false,
+      });
+    }
+  };
+
+  public render(): JSX.Element {
+    if (!isCapabilityEnabled(Constants.CapabilityNames.EnableDynamicDataMasking)) {
+      return null;
+    }
+
+    const isDirty = this.IsComponentDirty();
+    return (
+      <Stack {...titleAndInputStackProps}>
+        {isDirty && (
+          <MessageBar messageBarType={MessageBarType.warning}>{unsavedEditorWarningMessage("dataMasking")}</MessageBar>
+        )}
+        {this.props.validationErrors.length > 0 && (
+          <MessageBar messageBarType={MessageBarType.error}>
+            Validation failed: {this.props.validationErrors.join(", ")}
+          </MessageBar>
+        )}
+        <div className="settingsV2Editor" tabIndex={0} ref={this.dataMaskingDiv}></div>
+      </Stack>
+    );
+  }
+}