Automatisation de la Revue de Code GitHub avec IA

Ce workflow permet d'automatiser le processus de revue de code sur GitHub en utilisant l'intelligence artificielle pour analyser les modifications de code dans les pull requests. En déclenchant une analyse détaillée à chaque nouvelle pull request, il génère des commentaires pertinents et ajoute automatiquement un label 'ReviewedByAI'. Cela permet non seulement d'accélérer le cycle de développement, mais aussi d'assurer une meilleure qualité de code en intégrant les meilleures pratiques stockées dans Google Sheets. Idéal pour les équipes qui cherchent à optimiser leurs processus DevOps tout en maintenant un haut standard de qualité.

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Automatisation

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📋 Automatisation de la Revue de Code GitHub avec IA

💡 Description

Ce workflow permet d'automatiser le processus de revue de code sur GitHub en utilisant l'intelligence artificielle pour analyser les modifications de code dans les pull requests. En déclenchant une analyse détaillée à chaque nouvelle pull request, il génère des commentaires pertinents et ajoute automatiquement un label 'ReviewedByAI'. Cela permet non seulement d'accélérer le cycle de développement, mais aussi d'assurer une meilleure qualité de code en intégrant les meilleures pratiques stockées dans Google Sheets. Idéal pour les équipes qui cherchent à optimiser leurs processus DevOps tout en maintenant un haut standard de qualité.

📈 Impact & ROI: Réduit le temps nécessaire pour les revues de code manuelles, améliore la qualité du code et permet aux développeurs de se concentrer sur des tâches à plus forte valeur ajoutée.

🚀 Fonctionnalités Clés

  • ✅ Automatisation complète du processus de revue de code
  • ✅ Intégration fluide avec GitHub pour des commentaires automatiques
  • ✅ Utilisation des meilleures pratiques via Google Sheets
  • ✅ Réduction du temps de révision grâce à l'IA

📊 Architecture Technique

14
Nodes
7
Connexions
3
Services

🔌 Services Intégrés

GitHubOpenAIGoogle Sheets

🔧 Composition du Workflow

NodeTypeDescription
OpenAI Chat Model@n8n/n8n-nodes-langchain.lmChatOpenAiTraitement des données
PR TriggergithubTriggerTraitement des données
Get file's Diffs from PRhttpRequestRequête HTTP vers une API externe
Create target Prompt from PR DiffscodeTraitement des données
GitHub RobotgithubTraitement des données
Add Label to PRgithubTraitement des données
Code Best PracticesgoogleSheetsToolTraitement des données
Sticky NotestickyNoteTraitement des données
Sticky Note1stickyNoteTraitement des données
Sticky Note2stickyNoteTraitement des données
Sticky Note3stickyNoteTraitement des données
Code Review Agent@n8n/n8n-nodes-langchain.agentTraitement des données
Sticky Note4stickyNoteTraitement des données
Sticky Note5stickyNoteTraitement des données

📖 Guide d'Implémentation

  1. Import du workflow: Téléchargez le fichier JSON et importez-le dans votre instance n8n
  2. Configuration des credentials: Configurez les accès pour chaque service utilisé
  3. Personnalisation: Adaptez les paramètres selon vos besoins spécifiques
  4. Test: Exécutez le workflow en mode test pour vérifier le bon fonctionnement
  5. Activation: Activez le workflow pour une exécution automatique

🏷️ Tags

GitHubRevue de codeIntelligence Artificielle

Structure JSON

Voir le code JSON complet
{
    "id": "AMQub0Da16qevkJS",
    "meta": {
        "instanceId": "1df58c4f9c75efc3206f24d952dcf4aad97b5bd5e4c3d0b251ca64e7a7153e89",
        "templateCredsSetupCompleted": true
    },
    "name": "Code Review workflow",
    "tags": [],
    "nodes": [
        {
            "id": "62ef8e9f-df1a-46dd-b025-a206ac888f97",
            "name": "OpenAI Chat Model",
            "type": "@n8n\/n8n-nodes-langchain.lmChatOpenAi",
            "position": [
                -100,
                140
            ],
            "parameters": {
                "model": {
                    "__rl": true,
                    "mode": "list",
                    "value": "gpt-4o-mini"
                },
                "options": []
            },
            "credentials": {
                "openAiApi": {
                    "id": "",
                    "name": ""
                }
            },
            "typeVersion": 1.2
        },
        {
            "id": "35361983-8c66-457e-8cb6-7585a18f8aaf",
            "name": "PR Trigger",
            "type": "n8n-nodes-base.githubTrigger",
            "position": [
                -740,
                -80
            ],
            "webhookId": "2b8ec7bd-e65b-46d2-a2d9-082b137dd880",
            "parameters": {
                "owner": {
                    "__rl": true,
                    "mode": "list",
                    "value": "",
                    "cachedResultUrl": "",
                    "cachedResultName": ""
                },
                "events": [
                    "pull_request"
                ],
                "options": [],
                "repository": {
                    "__rl": true,
                    "mode": "list",
                    "value": "",
                    "cachedResultUrl": "",
                    "cachedResultName": ""
                },
                "authentication": "oAuth2"
            },
            "credentials": {
                "githubOAuth2Api": {
                    "id": "",
                    "name": ""
                }
            },
            "notesInFlow": false,
            "typeVersion": 1
        },
        {
            "id": "25d17a0d-c409-406d-bd97-00ec71261c16",
            "name": "Get file's Diffs from PR",
            "type": "n8n-nodes-base.httpRequest",
            "position": [
                -520,
                -80
            ],
            "parameters": {
                "url": "=https:\/\/api.github.com\/repos\/{{$json.body.sender.login}}\/{{$json.body.repository.name}}\/pulls\/{{$json.body.number}}\/files",
                "options": []
            },
            "typeVersion": 4.2
        },
        {
            "id": "f984f872-c4b0-4752-bc54-1f311fa36feb",
            "name": "Create target Prompt from PR Diffs",
            "type": "n8n-nodes-base.code",
            "position": [
                -300,
                -80
            ],
            "parameters": {
                "jsCode": "const files = $input.all().map(item => item.json);\n\nlet diffs = '';\n\nfor (const file of files) {\n  diffs += `### Fichier : ${file.filename}\\n\\n`;\n\n  if (file.patch) {\n    \/\/ IMPORTANT : On remplace tous les triple backticks par simple (ou échappement)\n    const safePatch = file.patch.replace(\/```\/g, \"''\");\n\n    diffs += \"```diff\\n\";\n    diffs += safePatch;\n    diffs += \"\\n```\\n\";\n  } else {\n    diffs += \"_Pas de patch disponible (probablement fichier binaire)._\";\n  }\n\n  diffs += \"\\n---\\n\\n\";\n}\n\nconst userMessage = `\nYou are a senior iOS developer. \nPlease review the following code changes in these files :\n\n${diffs}\n\n---\n\nYour mission:\n\n- Review the proposed code changes file by file and by significant modification.\n\n- Generate inline comments on the relevant lines of code.\n\n- Ignore files without patches.\n\n- Do not repeat the code snippet or the filename.\n\n- Write the comments directly, without introducing the context.\n`;\n\nreturn [\n  {\n    json: {\n      user_message: userMessage.trim()\n    }\n  }\n];"
            },
            "typeVersion": 2
        },
        {
            "id": "0d9790b1-9818-4e73-a202-57d4db039b35",
            "name": "GitHub Robot",
            "type": "n8n-nodes-base.github",
            "position": [
                296,
                -80
            ],
            "webhookId": "39c2fe8b-f686-4699-8450-2a5b4c263d93",
            "parameters": {
                "body": "={{ $json.output }}",
                "event": "comment",
                "owner": {
                    "__rl": true,
                    "mode": "list",
                    "value": "",
                    "cachedResultUrl": "",
                    "cachedResultName": ""
                },
                "resource": "review",
                "repository": {
                    "__rl": true,
                    "mode": "list",
                    "value": "",
                    "cachedResultUrl": "",
                    "cachedResultName": ""
                },
                "additionalFields": [],
                "pullRequestNumber": "={{ $('PR Trigger').first().json.body.number }}"
            },
            "credentials": {
                "githubApi": {
                    "id": "",
                    "name": ""
                }
            },
            "typeVersion": 1.1
        },
        {
            "id": "234c235c-a88d-412b-b7b1-f9f0cc8eead9",
            "name": "Add Label to PR",
            "type": "n8n-nodes-base.github",
            "position": [
                516,
                -80
            ],
            "webhookId": "c98f39f1-603b-4013-9149-53b4cc31b611",
            "parameters": {
                "owner": {
                    "__rl": true,
                    "mode": "list",
                    "value": "",
                    "cachedResultUrl": "",
                    "cachedResultName": ""
                },
                "operation": "edit",
                "editFields": {
                    "labels": [
                        {
                            "label": "ReviewedByAI"
                        }
                    ]
                },
                "repository": {
                    "__rl": true,
                    "mode": "list",
                    "value": "",
                    "cachedResultUrl": "",
                    "cachedResultName": ""
                },
                "issueNumber": "={{ $('PR Trigger').first().json.body.number }}",
                "authentication": "oAuth2"
            },
            "credentials": {
                "githubOAuth2Api": {
                    "id": "",
                    "name": ""
                }
            },
            "typeVersion": 1
        },
        {
            "id": "34d9842f-928e-4d19-9d91-336c85f53485",
            "name": "Code Best Practices",
            "type": "n8n-nodes-base.googleSheetsTool",
            "position": [
                68,
                140
            ],
            "parameters": {
                "options": [],
                "sheetName": {
                    "__rl": true,
                    "mode": "name",
                    "value": ""
                },
                "documentId": {
                    "__rl": true,
                    "mode": "url",
                    "value": ""
                }
            },
            "credentials": {
                "googleSheetsOAuth2Api": {
                    "id": "",
                    "name": ""
                }
            },
            "typeVersion": 4.5
        },
        {
            "id": "ab6c0b9d-1c76-448c-896e-7fdb15365b72",
            "name": "Sticky Note",
            "type": "n8n-nodes-base.stickyNote",
            "position": [
                -880,
                -260
            ],
            "parameters": {
                "content": "**1-The GitHub Trigger** node initiates the workflow whenever a pull request event occurs on a specified repository. It enables real-time automation based on GitHub activity.\n"
            },
            "typeVersion": 1
        },
        {
            "id": "27752afa-4d97-4e23-be58-6171b5e17f1b",
            "name": "Sticky Note1",
            "type": "n8n-nodes-base.stickyNote",
            "position": [
                -680,
                100
            ],
            "parameters": {
                "color": 3,
                "width": 340,
                "height": 220,
                "content": "**2-Get PR Diffs**\nThe HTTP Request node fetches the list of changed files and their diffs from the pull request that triggered the workflow. It uses the GitHub REST API to retrieve this data dynamically based on the trigger payload.\n\nhttps:\/\/api.github.com\/repos\/{{$json.body.sender.login}}\/{{$json.body.repository.name}}\/pulls\/{{$json.body.number}}\/files"
            },
            "typeVersion": 1
        },
        {
            "id": "c201133c-3d54-4fe0-8442-11ff92dcc89e",
            "name": "Sticky Note2",
            "type": "n8n-nodes-base.stickyNote",
            "position": [
                -420,
                -340
            ],
            "parameters": {
                "color": 2,
                "width": 360,
                "height": 240,
                "content": "**3-Create Prompt from diffs**\nThis Code node runs a JavaScript snippet to:\n-Parse file diffs from the previous HTTP Request node\n-Format each diff with its file name\n-Build a structured natural language prompt for the AI agent\n\nThe final output is a clear, contextual instruction like:\n*\"You are a senior iOS developer. Please review the following code changes in these files...\"*\n"
            },
            "typeVersion": 1
        },
        {
            "id": "6f6c78b2-ad75-43fa-a082-9f345f9b5f30",
            "name": "Sticky Note3",
            "type": "n8n-nodes-base.stickyNote",
            "position": [
                200,
                -260
            ],
            "parameters": {
                "color": 5,
                "content": "**Github Comment Poster**\nPosts the AI-generated review as a comment on the pull request using GitHub API."
            },
            "typeVersion": 1
        },
        {
            "id": "ac7b6754-2bef-408d-8f53-fb51ece1673e",
            "name": "Code Review Agent",
            "type": "@n8n\/n8n-nodes-langchain.agent",
            "position": [
                -80,
                -80
            ],
            "parameters": {
                "text": "={{ $json.user_message }}",
                "options": [],
                "promptType": "define"
            },
            "typeVersion": 1.9
        },
        {
            "id": "30655e04-f429-40bb-b6b7-9a11ffa4e607",
            "name": "Sticky Note4",
            "type": "n8n-nodes-base.stickyNote",
            "position": [
                460,
                -220
            ],
            "parameters": {
                "color": 7,
                "height": 120,
                "content": "**PR Labeler (optional)**\nAutomatically adds a label like *ReviewedByAI* to the pull request once the AI comment is posted."
            },
            "typeVersion": 1
        },
        {
            "id": "76fbb269-e7ce-4d8a-a609-a5ab454258d8",
            "name": "Sticky Note5",
            "type": "n8n-nodes-base.stickyNote",
            "position": [
                180,
                120
            ],
            "parameters": {
                "color": 6,
                "width": 260,
                "content": "**Google Sheet Best Practices**\nEnables the AI agent to reference to your team coding guidelines stored in a Google Sheet for more accurate and opinionated reviews.\nYou can replace Google Sheets with any other database or tool."
            },
            "typeVersion": 1
        }
    ],
    "active": false,
    "pinData": [],
    "settings": {
        "executionOrder": "v1"
    },
    "versionId": "9d1650b2-38a1-40bf-ad65-1902f069a06f",
    "connections": {
        "PR Trigger": {
            "main": [
                [
                    {
                        "node": "Get file's Diffs from PR",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        },
        "GitHub Robot": {
            "main": [
                [
                    {
                        "node": "Add Label to PR",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        },
        "Code Review Agent": {
            "main": [
                [
                    {
                        "node": "GitHub Robot",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        },
        "OpenAI Chat Model": {
            "ai_languageModel": [
                [
                    {
                        "node": "Code Review Agent",
                        "type": "ai_languageModel",
                        "index": 0
                    }
                ]
            ]
        },
        "Code Best Practices": {
            "ai_tool": [
                [
                    {
                        "node": "Code Review Agent",
                        "type": "ai_tool",
                        "index": 0
                    }
                ]
            ]
        },
        "Get file's Diffs from PR": {
            "main": [
                [
                    {
                        "node": "Create target Prompt from PR Diffs",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        },
        "Create target Prompt from PR Diffs": {
            "main": [
                [
                    {
                        "node": "Code Review Agent",
                        "type": "main",
                        "index": 0
                    }
                ]
            ]
        }
    }
}
                                

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