{
  "meta": {
    "instanceId": "408f9fb9940c3cb18ffdef0e0150fe342d6e655c3a9fac21f0f644e8bedabcd9",
    "templateCredsSetupCompleted": true
  },
  "nodes": [
    {
      "id": "2a5a96c9-926c-447d-8244-db760e48a45f",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -180,
        -140
      ],
      "parameters": {
        "content": "## Edit your own prompt ⬇️\n"
      },
      "typeVersion": 1
    },
    {
      "id": "4c3a6b0b-2771-441d-8cb2-e17c07a92156",
      "name": "Sticky Note2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -1440,
        -100
      ],
      "parameters": {
        "content": "## Filter comments and customize your trigger words ⬇️"
      },
      "typeVersion": 1
    },
    {
      "id": "4f42b776-cc24-486c-889f-7c09522503ed",
      "name": "Sticky Note3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -1180,
        -120
      ],
      "parameters": {
        "content": "## Replace your gitlab URL and token ⬇️"
      },
      "typeVersion": 1
    },
    {
      "id": "b8859219-ce90-4940-8d9e-338c742def5e",
      "name": "Sticky Note4",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        140,
        -140
      ],
      "parameters": {
        "content": "## Replace your gitlab URL and token ⬇️"
      },
      "typeVersion": 1
    },
    {
      "id": "6be296f3-bd61-4644-825f-d96d591f229e",
      "name": "Need Review",
      "type": "n8n-nodes-base.if",
      "position": [
        -1440,
        100
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {
            "version": 2,
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "617eb2c5-dd4b-4e28-b533-0c32ea6ca961",
              "operator": {
                "name": "filter.operator.equals",
                "type": "string",
                "operation": "equals"
              },
              "leftValue": "={{ $json.body.object_attributes.note }}",
              "rightValue": "+0"
            }
          ]
        }
      },
      "typeVersion": 2.2
    },
    {
      "id": "fe59eeab-03a1-4b36-97f2-bf04bf6e4b8d",
      "name": "Get Changes",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        -1180,
        80
      ],
      "parameters": {
        "url": "=https://gitlab.com/api/v4/projects/{{ $json[\"body\"][\"project_id\"] }}/merge_requests/{{ $json[\"body\"][\"merge_request\"][\"iid\"] }}/changes",
        "options": {},
        "sendHeaders": true,
        "headerParameters": {
          "parameters": [
            {
              "name": "PRIVATE-TOKEN"
            }
          ]
        }
      },
      "typeVersion": 4.2
    },
    {
      "id": "4fe2800c-1eb5-44c6-93bb-25285a015b1d",
      "name": "Split Out",
      "type": "n8n-nodes-base.splitOut",
      "position": [
        -1000,
        80
      ],
      "parameters": {
        "options": {},
        "fieldToSplitOut": "changes"
      },
      "typeVersion": 1
    },
    {
      "id": "1838ffe7-a846-473b-9716-2714d527c727",
      "name": "Skip File Changes",
      "type": "n8n-nodes-base.if",
      "position": [
        -820,
        80
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {
            "version": 2,
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "c6e1430b-84a7-47ce-8fe9-7b94da0f2d31",
              "operator": {
                "type": "boolean",
                "operation": "false",
                "singleValue": true
              },
              "leftValue": "={{ $json.renamed_file }}",
              "rightValue": ""
            },
            {
              "id": "bf6e9eb9-d72d-459c-a722-9614bab8842c",
              "operator": {
                "type": "boolean",
                "operation": "false",
                "singleValue": true
              },
              "leftValue": "={{ $json.deleted_file }}",
              "rightValue": ""
            },
            {
              "id": "501623a9-9515-4034-bb13-a5a6a4f924eb",
              "operator": {
                "type": "string",
                "operation": "startsWith"
              },
              "leftValue": "={{ $json.diff }}",
              "rightValue": "@@"
            }
          ]
        }
      },
      "typeVersion": 2.2
    },
    {
      "id": "6215ecd2-55ad-4652-8c1f-f08713fdc237",
      "name": "Parse Last Diff Line",
      "type": "n8n-nodes-base.code",
      "position": [
        -560,
        -120
      ],
      "parameters": {
        "mode": "runOnceForEachItem",
        "jsCode": "const parseLastDiff = (gitDiff) => {\n  gitDiff = gitDiff.replace(/\\n\\\\ No newline at end of file/, '')\n  \n  const diffList = gitDiff.trimEnd().split('\\n').reverse();\n  const lastLineFirstChar = diffList?.[0]?.[0];\n  const lastDiff =\n    diffList.find((item) => {\n      return /^@@ \\-\\d+,\\d+ \\+\\d+,\\d+ @@/g.test(item);\n    }) || '';\n\n  const [lastOldLineCount, lastNewLineCount] = lastDiff\n    .replace(/@@ \\-(\\d+),(\\d+) \\+(\\d+),(\\d+) @@.*/g, ($0, $1, $2, $3, $4) => {\n      return `${+$1 + +$2},${+$3 + +$4}`;\n    })\n    .split(',');\n  \n  if (!/^\\d+$/.test(lastOldLineCount) || !/^\\d+$/.test(lastNewLineCount)) {\n    return {\n      lastOldLine: -1,\n      lastNewLine: -1,\n      gitDiff,\n    };\n  }\n\n\n  const lastOldLine = lastLineFirstChar === '+' ? null : (parseInt(lastOldLineCount) || 0) - 1;\n  const lastNewLine = lastLineFirstChar === '-' ? null : (parseInt(lastNewLineCount) || 0) - 1;\n\n  return {\n    lastOldLine,\n    lastNewLine,\n    gitDiff,\n  };\n};\n\nreturn parseLastDiff($input.item.json.diff)\n"
      },
      "typeVersion": 2
    },
    {
      "id": "bb3d6be0-7e85-4c2e-840a-090a36b48236",
      "name": "Basic LLM Chain",
      "type": "@n8n/n8n-nodes-langchain.chainLlm",
      "position": [
        -180,
        60
      ],
      "parameters": {
        "text": "=File path：{{ $('Skip File Changes').item.json.new_path }}\n\n```Original code\n {{ $json.originalCode }}\n```\nchange to\n```New code\n {{ $json.newCode }}\n```\nPlease review the code changes in this section:",
        "messages": {
          "messageValues": [
            {
              "message": "# Overview:| You are a senior programming expert Bot, responsible for reviewing code changes and providing review recommendations. At the beginning of the suggestion, it is necessary to clearly make a decision to \"reject\" or \"accept\" the code change, and rate the change in the format \"Change Score: Actual Score\", with a score range of 0-100 points. Then, point out the existing problems in concise language and a stern tone. If you feel it is necessary, you can directly provide the modified content. Your review proposal must use rigorous Markdown format."
            }
          ]
        },
        "promptType": "define"
      },
      "typeVersion": 1.5
    },
    {
      "id": "f3a6e8c6-eda1-4af1-bdd5-f3b56ef8c23b",
      "name": "OpenAI Chat Model",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "position": [
        -180,
        220
      ],
      "parameters": {
        "model": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4o-mini"
        },
        "options": {}
      },
      "credentials": {
        "openAiApi": {
          "id": "8gccIjcuf3gvaoEr",
          "name": "OpenAi account"
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "796b0d0f-320f-43ff-943a-0d15b73878c7",
      "name": "Webhook",
      "type": "n8n-nodes-base.webhook",
      "position": [
        -1680,
        100
      ],
      "webhookId": "78214945-1731-46ca-a13f-132df9ee1d14",
      "parameters": {
        "path": "e21095c0-1876-4cd9-9e92-a2eac737f03e",
        "options": {},
        "httpMethod": "POST"
      },
      "typeVersion": 2
    },
    {
      "id": "74a7dd0c-fc01-411c-8ea9-e43b45c376c2",
      "name": "Code",
      "type": "n8n-nodes-base.code",
      "position": [
        -360,
        -120
      ],
      "parameters": {
        "mode": "runOnceForEachItem",
        "jsCode": "// Loop over input items and add a new field called 'myNewField' to the JSON of each one\nvar diff = $input.item.json.gitDiff\n\nlet lines = diff.trimEnd().split('\\n');\n\nlet originalCode = '';\nlet newCode = '';\n\nlines.forEach(line => {\n  console.log(line)\n    if (line.startsWith('-')) {\n        originalCode += line + \"\\n\";\n    } else if (line.startsWith('+')) {\n        newCode += line + \"\\n\";\n    } else {\n        originalCode += line + \"\\n\";\n        newCode += line + \"\\n\";\n    }\n});\n\nreturn {\n  originalCode:originalCode,\n  newCode:newCode\n};\n\n"
      },
      "typeVersion": 2
    },
    {
      "id": "d55f0b8f-aac5-49e3-a5f1-9dd1a7c46254",
      "name": "Post Discussions",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        240,
        60
      ],
      "parameters": {
        "url": "=https://gitlab.com/api/v4/projects/{{ $('Webhook').item.json[\"body\"][\"project_id\"] }}/merge_requests/{{ $('Webhook').item.json[\"body\"][\"merge_request\"][\"iid\"] }}/discussions",
        "method": "POST",
        "options": {},
        "sendBody": true,
        "contentType": "multipart-form-data",
        "sendHeaders": true,
        "bodyParameters": {
          "parameters": [
            {
              "name": "body",
              "value": "={{ $('Basic LLM Chain').item.json[\"text\"] }}"
            },
            {
              "name": "position[position_type]",
              "value": "text"
            },
            {
              "name": "position[old_path]",
              "value": "={{ $('Split Out').item.json.old_path }}"
            },
            {
              "name": "position[new_path]",
              "value": "={{ $('Split Out').item.json.new_path }}"
            },
            {
              "name": "position[start_sha]",
              "value": "={{ $('Get Changes').item.json.diff_refs.start_sha }}"
            },
            {
              "name": "position[head_sha]",
              "value": "={{ $('Get Changes').item.json.diff_refs.head_sha }}"
            },
            {
              "name": "position[base_sha]",
              "value": "={{ $('Get Changes').item.json.diff_refs.base_sha }}"
            },
            {
              "name": "position[new_line]",
              "value": "={{ $('Parse Last Diff Line').item.json.lastNewLine || ''  }}"
            },
            {
              "name": "position[old_line]",
              "value": "={{ $('Parse Last Diff Line').item.json.lastOldLine || '' }}"
            }
          ]
        },
        "headerParameters": {
          "parameters": [
            {
              "name": "PRIVATE-TOKEN"
            }
          ]
        }
      },
      "typeVersion": 4.2
    }
  ],
  "pinData": {},
  "connections": {
    "Code": {
      "main": [
        [
          {
            "node": "Basic LLM Chain",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Webhook": {
      "main": [
        [
          {
            "node": "Need Review",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Split Out": {
      "main": [
        [
          {
            "node": "Skip File Changes",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Changes": {
      "main": [
        [
          {
            "node": "Split Out",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Need Review": {
      "main": [
        [
          {
            "node": "Get Changes",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Basic LLM Chain": {
      "main": [
        [
          {
            "node": "Post Discussions",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "OpenAI Chat Model": {
      "ai_languageModel": [
        [
          {
            "node": "Basic LLM Chain",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "Skip File Changes": {
      "main": [
        [
          {
            "node": "Parse Last Diff Line",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Parse Last Diff Line": {
      "main": [
        [
          {
            "node": "Code",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}