GitNexus-backend/apis/Repos/GitContributors.js

const API = require("../../lib/API")
const AccessControl = require("../../lib/AccessControl")
const { BaseStdResponse } = require("../../BaseStdResponse")
const db = require("../../plugin/DataBase/db")
const simpleGit = require('simple-git')
const crypto = require("crypto")

class GitContributors extends API {
    constructor() {
        super()

        this.setMethod("GET")
        this.setPath("/Repos/Contributors")
    }

    getGravatarUrl(email) {
        if (!email) return null
        const hash = crypto.createHash("md5").update(email.trim().toLowerCase()).digest("hex")
        return `https://gravatar.loli.net/avatar/${hash}?s=512&r=pg`
    }

    async analyzeGitContributors(repoPath) {
        try {
            const git = simpleGit()
            await git.cwd(repoPath)

            // 获取提交日志，包括作者姓名和邮箱
            const logs = await git.raw([
                "log",
                "--format=%an <%ae>",
                "--shortstat"
            ])

            const lines = logs.split("\n").map(l => l.trim()).filter(l => l)
            let contributors = {}
            let currentAuthor = null
            for (const line of lines) {
                if (line.includes("<") && line.includes(">")) {
                    const match = line.match(/(.*?) <(.*?)>/)
                    if (!match) continue
                    const name = match[1].trim()
                    const email = match[2].trim()
                    currentAuthor = name
                    if (!contributors[currentAuthor]) {
                        contributors[currentAuthor] = {
                            name,
                            email,
                            avatar: this.getGravatarUrl(email),
                            commits: 0,
                            linesChanged: 0
                        }
                    }
                    contributors[currentAuthor].commits += 1
                } else if (line.includes("file changed")) {
                    const match = line.match(/(\d+) insertions?\(\+\)|(\d+) deletions?\(-\)/g)
                    if (match) {
                        const changes = match.map(m => parseInt(m.match(/\d+/)[0], 10)).reduce((a, b) => a + b, 0)
                        contributors[currentAuthor].linesChanged += changes
                    }
                }
            }

            const sortedContributors = Object.values(contributors)
                .sort((a, b) => b.linesChanged - a.linesChanged || b.commits - a.commits)

            return sortedContributors
        } catch (error) {
            console.error("获取仓库开发者失败:", error)
            throw new Error("获取仓库开发者失败")
        }
    }

    async onRequest(req, res) {
        let { uuid, session, id } = req.query

        if ([uuid, session, id].some(value => value === '' || value === null || value === undefined))
            return res.json({
                ...BaseStdResponse.MISSING_PARAMETER
            })

        // 检查 session
        if (!await AccessControl.checkSession(uuid, session))
            return res.status(401).json({
                ...BaseStdResponse.ACCESS_DENIED
            })

        let sql = 'SELECT state, path FROM repos WHERE create_user = ? AND id = ?'
        let r = await db.query(sql, [uuid, id])
        if (!r || r.length === 0)
            return res.json({
                ...BaseStdResponse.ERR,
                msg: '未找到仓库'
            })

        if (r[0].state !== 1 || !r[0].path)
            return res.json({
                ...BaseStdResponse.ERR,
                msg: '仓库未成功克隆！'
            })

        let contributors
        try {
            contributors = await this.analyzeGitContributors(r[0].path)
        } catch (error) {
            this.logger.error('获取仓库开发者失败！' + error.stack)
            return res.json({
                ...BaseStdResponse.ERR,
                msg: '获取仓库开发者失败！'
            })
        }

        res.json({
            ...BaseStdResponse.OK,
            data: contributors
        })

    }
}

module.exports.GitContributors = GitContributors