NEW (Extension) @W-16442046@ Apex guru fixer logic - to show and insert apex guru suggestions

package.json

@@ -105,7 +105,7 @@
             },
             {
                 "command": "sfca.runApexGuruAnalysisOnSelectedFile",
-                "title": "***SFDX: Scan for Performance Issues with ApexGuru***"
+                "title": "SFDX: Scan for Performance Issues with ApexGuru on Selected File"
             }
         ],
         "configuration": {

src/apexguru/apex-guru-service.ts

@@ -47,12 +47,11 @@ export async function runApexGuruOnFile(selection: vscode.Uri, runInfo: RunInfo)
 			progress.report(messages.apexGuru.progress);
 			const connection = await CoreExtensionService.getConnection();
 			const requestId = await initiateApexGuruRequest(selection, outputChannel, connection);
-			outputChannel.appendLine('***Apex Guru request Id:***' + requestId);
+			outputChannel.appendLine('Code Analyzer with ApexGuru request Id:' + requestId);
 
 			const queryResponse: ApexGuruQueryResponse = await pollAndGetApexGuruResponse(connection, requestId, Constants.APEX_GURU_MAX_TIMEOUT_SECONDS, Constants.APEX_GURU_RETRY_INTERVAL_MILLIS);
 
 			const decodedReport = Buffer.from(queryResponse.report, 'base64').toString('utf8');
-			outputChannel.appendLine('***Retrieved analysis report from ApexGuru***:' + decodedReport);
 
 			const ruleResult = transformStringToRuleResult(selection.fsPath, decodedReport);
 			new DiagnosticManager().displayDiagnostics([selection.fsPath], [ruleResult], diagnosticCollection);
@@ -63,7 +62,7 @@ export async function runApexGuruOnFile(selection: vscode.Uri, runInfo: RunInfo)
 		});
     } catch (e) {
         const errMsg = e instanceof Error ? e.message : e as string;
-        outputChannel.appendLine('***Apex Guru initiate request failed***');
+        outputChannel.error('Initial Code Analyzer with ApexGuru request failed.');
         outputChannel.appendLine(errMsg);
     }
 }
@@ -128,16 +127,19 @@ export function transformStringToRuleResult(fileName: string, jsonString: string
     };
 
 	reports.forEach(parsed => {
-		const encodedClassAfter = parsed.properties.find((prop: ApexGuruProperty) => prop.name === 'code_after')?.value;
+		const encodedCodeBefore = parsed.properties.find((prop: ApexGuruProperty) => prop.name === 'code_before')?.value ?? '';
+		const encodedCodeAfter = parsed.properties.find((prop: ApexGuruProperty) => prop.name === 'code_after')?.value ?? '';
+		const lineNumber = parseInt(parsed.properties.find((prop: ApexGuruProperty) => prop.name === 'line_number')?.value);
 
 		const violation: ApexGuruViolation = {
 			ruleName: parsed.type,
 			message: parsed.value,
 			severity: 1,
 			category: parsed.type, // Replace with actual category if available
-			line: parseInt(parsed.properties.find((prop: ApexGuruProperty) => prop.name === 'line_number')?.value),
+			line: lineNumber,
 			column: 1,
-			suggestedCode: Buffer.from(encodedClassAfter, 'base64').toString('utf8')
+			currentCode: Buffer.from(encodedCodeBefore, 'base64').toString('utf8'),
+			suggestedCode: Buffer.from(encodedCodeAfter, 'base64').toString('utf8'),
 		};
 
 		ruleResult.violations.push(violation);

src/extension.ts

@@ -149,6 +149,7 @@ export async function activate(context: vscode.ExtensionContext): Promise<vscode
 					outputChannel: outputChannel
 				});
 		});
+
 		context.subscriptions.push(runApexGuruOnSelectedFile);
 	}
 

src/lib/diagnostics.ts

@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: BSD-3-Clause
  * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
  */
-import { PathlessRuleViolation, RuleResult, RuleViolation } from '../types';
+import { ApexGuruViolation, PathlessRuleViolation, RuleResult, RuleViolation } from '../types';
 import {messages} from './messages';
 import * as vscode from 'vscode';
 
@@ -89,6 +89,23 @@ export class DiagnosticManager {
             target: vscode.Uri.parse(violation.url),
             value: violation.ruleName
         } : violation.ruleName;
+        if (engine === 'apexguru') {
+            const apexGuruViolation = violation as ApexGuruViolation;
+
+            if (apexGuruViolation.suggestedCode?.trim()) {
+                diagnostic.relatedInformation = [
+                    new vscode.DiagnosticRelatedInformation(
+                        new vscode.Location(vscode.Uri.parse('Current Code'), range),
+                        `${apexGuruViolation.currentCode}`
+                    ),
+                    new vscode.DiagnosticRelatedInformation(
+                        new vscode.Location(vscode.Uri.parse('ApexGuru Suggestions'), range),
+                        `${apexGuruViolation.suggestedCode}`
+                    )
+                ];
+            }
+
+        }
         return diagnostic;
     }
 

src/lib/fixer.ts

@@ -26,7 +26,7 @@ export class Fixer implements vscode.CodeActionProvider {
             // Throw out diagnostics that aren't ours, or are for the wrong line.
             .filter(diagnostic => messages.diagnostics.source && messages.diagnostics.source.isSource(diagnostic.source) && diagnostic.range.isEqual(range))
             // Get and use the appropriate fix generator.
-            .map(diagnostic => this.getFixGenerator(document, diagnostic).generateFixes(processedLines))
+            .map(diagnostic => this.getFixGenerator(document, diagnostic).generateFixes(processedLines, document, diagnostic))
             // Combine all the fixes into one array.
             .reduce((acc, next) => [...acc, ...next], []);
     }
@@ -45,6 +45,8 @@ export class Fixer implements vscode.CodeActionProvider {
             case 'pmd':
             case 'pmd-custom':
                 return new _PmdFixGenerator(document, diagnostic);
+            case 'apexguru':
+                return new _ApexGuruFixGenerator(document, diagnostic);
             default:
                 return new _NoOpFixGenerator(document, diagnostic);
         }
@@ -73,7 +75,7 @@ abstract class FixGenerator {
      * Abstract template method for generating fixes.
      * @abstract
      */
-    public abstract generateFixes(processedLines: Set<number>): vscode.CodeAction[];
+    public abstract generateFixes(processedLines: Set<number>, document?: vscode.TextDocument, diagnostic?: vscode.Diagnostic): vscode.CodeAction[];
 }
 
 /**
@@ -87,6 +89,42 @@ export class _NoOpFixGenerator extends FixGenerator {
     }
 }
 
+export class _ApexGuruFixGenerator extends FixGenerator {
+    /**
+     * Generate an array of fixes, if possible.
+     * @returns
+     */
+    // eslint-disable-next-line @typescript-eslint/no-unused-vars
+    public generateFixes(processedLines: Set<number>, document: vscode.TextDocument, diagnostic: vscode.Diagnostic): vscode.CodeAction[] {
+        console.log(diagnostic);
+        const fixes: vscode.CodeAction[] = [];
+        const lineNumber = this.diagnostic.range.start.line;
+        if (!processedLines.has(lineNumber)) {
+            fixes.push(this.generateApexGuruSuppresssion(document))
+            processedLines.add(lineNumber);
+        }
+        return fixes;
+    }
+
+    public generateApexGuruSuppresssion(document: vscode.TextDocument): vscode.CodeAction {
+        const suggestedCode = this.diagnostic.relatedInformation[1].message;
+
+        const action = new vscode.CodeAction(messages.fixer.fixWithApexGuruSuggestions, vscode.CodeActionKind.QuickFix);
+        action.diagnostics = [this.diagnostic];
+
+        const edit = new vscode.WorkspaceEdit();
+        const range = this.diagnostic.range;  // Assuming the range is the location of the existing code in the document
+        const oneLineAbove = new vscode.Position(range.start.line > 1 ? range.start.line - 1 : 0, range.start.character);
+        edit.insert(document.uri, oneLineAbove, suggestedCode + '\n');
+
+        // Assign the edit to the action
+        action.edit = edit;
+
+        return action;
+    }
+
+}
+
 /**
  * FixGenerator to be used for PMD and Custom PMD.
  * @private Must be exported for testing purposes, but shouldn't be used publicly, hence the leading underscore.

src/lib/messages.ts

@@ -21,7 +21,7 @@ export const messages = {
     },
     apexGuru: {
         progress: {
-            message: "Code Analyzer running ApexGuru analysis."
+            message: "Code Analyzer is running ApexGuru analysis."
         }
     },
     info: {
@@ -39,7 +39,7 @@ export const messages = {
     fixer: {
         supressOnLine: "Suppress violations on this line.",
         supressOnClass: "Suppress violations on this class.",
-        fixWithApexGuruSuggestions: "***Fix violations with suggestions from Apex Guru***"
+        fixWithApexGuruSuggestions: "Insert ApexGuru suggestions."
     },
     diagnostics: {
         messageGenerator: (severity: number, message: string) => `Sev${severity}: ${message}`,

src/test/suite/apexguru/apex-guru-service.test.ts

@@ -176,6 +176,7 @@ suite('Apex Guru Test Suite', () => {
                   category: 'BestPractices',
                   line: 10,
                   column: 1,
+                  currentCode: '',
                   suggestedCode: 'System.out.println("Hello World");'
               }]
           });

src/test/suite/fixer.test.ts

@@ -7,9 +7,7 @@
 import * as vscode from 'vscode';
 import {expect} from 'chai';
 import path = require('path');
-import Sinon = require('sinon');
-import {messages} from '../../lib/messages';
-import {_NoOpFixGenerator, _PmdFixGenerator} from '../../lib/fixer';
+import {_NoOpFixGenerator, _PmdFixGenerator, _ApexGuruFixGenerator} from '../../lib/fixer';
 
 suite('fixer.ts', () => {
     // Note: __dirname is used here because it's consistent across file systems.
@@ -489,4 +487,126 @@ suite('fixer.ts', () => {
             });
         });    
     });
+    suite('_ApexGuruFixGenerator', () => {
+        const fileUri = vscode.Uri.file(path.join(codeFixturesPath, 'MyClass1.cls'));
+        suite('#generateFixes()', () => {
+            const processedLines = new Set<number>();
+            const fileUri = vscode.Uri.file(path.join(codeFixturesPath, 'MyClass1.cls'));
+
+            let doc: vscode.TextDocument;
+            // Load the document and store its starting contents.
+            setup(async () => {
+                doc = await vscode.workspace.openTextDocument(fileUri);
+                await vscode.window.showTextDocument(doc);
+            });
+
+            test('Should generate a suppression fix if line is not processed', async () => {
+                // Create a fake diagnostic.
+                const diag = new vscode.Diagnostic(
+                    new vscode.Range(
+                        new vscode.Position(7, 4),
+                        new vscode.Position(7, 10)
+                    ),
+                    'some message',
+                    vscode.DiagnosticSeverity.Warning
+                );
+                diag.relatedInformation = [
+                    new vscode.DiagnosticRelatedInformation(
+                        new vscode.Location(fileUri, new vscode.Position(0, 0)),
+                        'current code'
+                    ),
+                    new vscode.DiagnosticRelatedInformation(
+                        new vscode.Location(fileUri, new vscode.Position(0, 0)),
+                        'apex guru suggested code'
+                    )
+                ];
+
+                // Instantiate the fixer.
+                const fixGenerator: _ApexGuruFixGenerator = new _ApexGuruFixGenerator(doc, diag);
+
+                // Generate fixes.
+                const fixes: vscode.CodeAction[] = fixGenerator.generateFixes(processedLines, doc, diag);
+
+                // Validate results.
+                expect(fixes).to.have.lengthOf(1, 'One fix should be offered');
+                const fix = fixes[0].edit.get(fileUri)[0];
+                expect(fix.newText).to.equal('apex guru suggested code\n', 'The suppression code should match the suggestion');
+                expect(fix.range.start.line).to.equal(6, 'The suppression should be added one line above the diagnostic line');
+            });
+
+            test('Should not generate a suppression fix if line is already processed', async () => {
+                processedLines.add(7);
+
+                // Create a fake diagnostic.
+                const diag = new vscode.Diagnostic(
+                    new vscode.Range(
+                        new vscode.Position(7, 4),
+                        new vscode.Position(7, 10)
+                    ),
+                    'This message is unimportant',
+                    vscode.DiagnosticSeverity.Warning
+                );
+                diag.relatedInformation = [
+                    new vscode.DiagnosticRelatedInformation(
+                        new vscode.Location(fileUri, new vscode.Position(0, 0)),
+                        'current code'
+                    ),
+                    new vscode.DiagnosticRelatedInformation(
+                        new vscode.Location(fileUri, new vscode.Position(0, 0)),
+                        'apex guru suggested code'
+                    )
+                ];
+
+                // Instantiate the fixer.
+                const fixGenerator: _ApexGuruFixGenerator = new _ApexGuruFixGenerator(doc, diag);
+
+                // Generate fixes.
+                const fixes: vscode.CodeAction[] = fixGenerator.generateFixes(processedLines, doc, diag);
+
+                // Validate results.
+                expect(fixes).to.have.lengthOf(0, 'No fix should be offered if the line is already processed');
+            });
+        });
+
+        suite('#generateApexGuruSuppresssion()', () => {
+            let doc: vscode.TextDocument;
+            // Load the document and store its starting contents.
+            setup(async () => {
+                doc = await vscode.workspace.openTextDocument(fileUri);
+                await vscode.window.showTextDocument(doc);
+            });
+
+            test('Should generate the correct ApexGuru suppression code action', async () => {
+                // Create a fake diagnostic.
+                const diag = new vscode.Diagnostic(
+                    new vscode.Range(
+                        new vscode.Position(7, 4),
+                        new vscode.Position(7, 10)
+                    ),
+                    'Some message',
+                    vscode.DiagnosticSeverity.Warning
+                );
+                diag.relatedInformation = [
+                    new vscode.DiagnosticRelatedInformation(
+                        new vscode.Location(fileUri, new vscode.Position(0, 0)),
+                        'Some other information'
+                    ),
+                    new vscode.DiagnosticRelatedInformation(
+                        new vscode.Location(fileUri, new vscode.Position(0, 0)),
+                        'apex guru suggested code'
+                    )
+                ];
+
+                // Instantiate the fixer.
+                const fixGenerator: _ApexGuruFixGenerator = new _ApexGuruFixGenerator(doc, diag);
+
+                // Generate the suppression code action.
+                const fix = fixGenerator.generateApexGuruSuppresssion(doc);
+
+                // Validate results.
+                expect(fix.edit.get(fileUri)[0].newText).to.equal('apex guru suggested code\n', 'The suppression code should match the suggestion');
+                expect(fix.edit.get(fileUri)[0].range.start.line).to.equal(6, 'The suppression should be added one line above the diagnostic line');
+            });
+        });
+    });
 });

src/types.ts

@@ -35,6 +35,7 @@ export type DfaRuleViolation = BaseViolation & {
 export type ApexGuruViolation = BaseViolation & {
 	line: number;
 	column: number;
+	currentCode: string;
 	suggestedCode: string;
 }