ci: integrate SonarQube analysis and quality gate

Jenkinsfile

@@ -272,6 +272,50 @@ pipeline {
 }
         }
 
+        stage('SonarQube Analysis') {
+    when {
+        branch 'develop'
+    }
+
+    steps {
+        script {
+            def scannerHome = tool 'sonar-scanner'
+
+            withSonarQubeEnv('sonarqube') {
+                withCredentials([
+                    string(
+                        credentialsId: 'sonarqube-token',
+                        variable: 'SONAR_TOKEN'
+                    )
+                ]) {
+                    sh """
+                        ${scannerHome}/bin/sonar-scanner \
+                          -Dsonar.projectKey=the-tip-top \
+                          -Dsonar.projectName=THE-TIP-TOP \
+                          -Dsonar.sources=backend/src,frontend/src \
+                          -Dsonar.tests=backend/tests,frontend/src/test \
+                          -Dsonar.javascript.lcov.reportPaths=backend/coverage/lcov.info,frontend/coverage/lcov.info \
+                          -Dsonar.exclusions=**/node_modules/**,**/coverage/**,**/dist/** \
+                          -Dsonar.sourceEncoding=UTF-8 \
+                          -Dsonar.token="${SONAR_TOKEN}"
+                    """
+                }
+            }
+        }
+    }
+}
+
+stage('SonarQube Quality Gate') {
+    when {
+        branch 'develop'
+    }
+
+    steps {
+        timeout(time: 5, unit: 'MINUTES') {
+            waitForQualityGate abortPipeline: true
+        }
+    }
+}
         stage('Construction des images Docker') {
             when {
                 expression {