involutionhell/scripts/backfill-contributors.mjs at main · InvolutionHell/involutionhell

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#!/usr/bin/env node

/**

* @description 通过 GitHub commits API 拉取 app/docs 目录下每个文档的贡献者，

* 基于数据库已有明细（doc_contributors.last_contributed_at）做【增量累计】，

* 最终：

* 1) 累计写回 doc_contributors（只增不减，不删除不出现的旧贡献者）

* 2) 从明细聚合回 docs.contributor_stats

* 3) JSON 输出使用聚合后的“累计最终值”，而非本轮快照

* 4) 生成 contributors.json，结构为：

* {

* repo,

* generatedAt,

* docsDir,

* totalDocs,

* results: [

* {

* docId,

* path,

* contributorStats: { githubId: contributions, ... },

* contributors: [

* { githubId, contributions, lastContributedAt }

* ]

* }

* ]

* }

* 功能要点：

* - 多路径合并：当前扫描路径 + 历史路径（doc_paths）取并集

* - 跨路径去重：按 commit.sha 去重，避免重命名/移动导致的重复统计

* - 增量原则：仅统计“本轮提交时间 > 该作者的 last_contributed_at”的提交数

* - 只使用 GitHub API，无需本地 git

* 环境变量/CLI 覆盖：

* - GITHUB_TOKEN：可选，设置后可提高速率限制

* - GITHUB_OWNER / GITHUB_REPO：覆盖默认仓库 (InvolutionHell/involutionhell)

* - DOCS_DIR：相对于仓库根的文档目录（默认值：app/docs）

* - OUTPUT：输出 JSON 路径（默认：generated/doc-contributors.json）

* - GITHUB_PER_PAGE：每页 commits 数，1..100，默认 100

* - --owner= / --repo= / --docs= / --output=

* - --sync-db=true|false（默认：存在 DATABASE_URL 时启用）

* - --skip-db 等价于 --sync-db=false

* 用法：

* pnpm exec node scripts/backfill-contributors.mjs

* 依赖：

* pnpm add -D fast-glob gray-matter dotenv

* 以及生成的 Prisma Client（import 路径见下）

* @author Siz Long

* @date 2025-10-07

* @location scripts/backfill-contributors.mjs

import fs from "node:fs/promises";

import path from "node:path";

import process from "node:process";

import { fileURLToPath } from "node:url";

import "dotenv/config";

import fg from "fast-glob";

import matter from "gray-matter";

// Prisma7更改到了client.ts

import * as PrismaModule from "../generated/prisma/client.ts";

const PrismaClient =

PrismaModule.default?.PrismaClient || PrismaModule.PrismaClient;

import pg from "pg";

const { Pool } = pg;

import { PrismaPg } from "@prisma/adapter-pg";

// Node >=18 在 Actions 下自带 fetch；若需兼容性可加 undici，但默认不必。

// import fetch from "node-fetch";

const __filename = fileURLToPath(import.meta.url);

const __dirname = path.dirname(__filename);

const REPO_ROOT = path.resolve(__dirname, "..");

// 解析 --key=value 参数（统一小写 key）

const args = Object.fromEntries(

process.argv

.slice(2)

.filter((arg) => arg.startsWith("--"))

.map((arg) => {

const [rawKey, rawValue] = arg.replace(/^--/, "").split("=");

const key = rawKey.trim().toLowerCase();

const value = rawValue === undefined ? "true" : rawValue.trim();

return [key, value];

}),

);

// 基础配置

const OWNER = args.owner || process.env.GITHUB_OWNER || "InvolutionHell";

const REPO = args.repo || process.env.GITHUB_REPO || "involutionhell";

const DOCS_DIR = args.docs || process.env.DOCS_DIR || "content/docs";

const OUTPUT =

args.output || process.env.OUTPUT || "generated/doc-contributors.json";

const PER_PAGE = Math.min(

Math.max(Number(process.env.GITHUB_PER_PAGE) || 100, 1),

100,

);

const TOKEN = process.env.GITHUB_TOKEN || "";

// 同步 DB 开关：默认有 DATABASE_URL 即启用；--skip-db/--sync-db 控制

const argSyncDb = args["sync-db"];

const shouldSyncDb = (() => {

if (args["skip-db"] === "true") return false;

if (argSyncDb === "false") return false;

if (argSyncDb === "true") return true;

return Boolean(process.env.DATABASE_URL);

})();

let prisma = null;

if (shouldSyncDb) {

const connectionString = `${process.env.DATABASE_URL}`;

const pool = new Pool({ connectionString });

const adapter = new PrismaPg(pool);

prisma = new PrismaClient({ adapter });

}

// 预设

const docsDirAbs = path.resolve(REPO_ROOT, DOCS_DIR);

const outputAbs = path.resolve(REPO_ROOT, OUTPUT);

const headers = {

"User-Agent": "involutionhell-contrib-backfill-script",

Accept: "application/vnd.github+json",

...(TOKEN ? { Authorization: `Bearer ${TOKEN}` } : {}),

};

// 统一日志

function log(...args) {

console.log("[backfill-contributors]", ...args);

}

// 规范化成我想让前端读取的模样

function normalizeContributorStats(stats) {

if (!stats || typeof stats !== "object" || Array.isArray(stats)) {

return {};

}

return Object.fromEntries(

Object.entries(stats).map(([key, value]) => [

String(key),

Number(value) || 0,

]),

);

}

// 确保目录

async function ensureParentDir(filePath) {

const dir = path.dirname(filePath);

await fs.mkdir(dir, { recursive: true });

}

// 列出 docs 里所有 Markdown/MDX 文件

async function listDocFiles() {

const patterns = ["**/*.{md,mdx,markdown}"];

const files = await fg(patterns, {

cwd: docsDirAbs,

onlyFiles: true,

dot: false,

});

return files

.map((relative) => ({

relative,

absolute: path.join(docsDirAbs, relative),

}))

.sort((a, b) => a.relative.localeCompare(b.relative));

}

// 解析 frontmatter，取 docId / title / isTranslation

function parseDocFrontmatter(content) {

const parsed = matter(content);

const data = parsed.data || {};

const docId = typeof data.docId === "string" ? data.docId.trim() : "";

const title = typeof data.title === "string" ? data.title.trim() : "";

// 有 translatedFrom 字段即为翻译版，不计入贡献者统计

const isTranslation =

typeof data.translatedFrom === "string" && data.translatedFrom.length > 0;

return {

docId: docId || null,

title: title || null,

isTranslation,

frontmatter: data,

};

}

// 拉取某个“路径”的 commit（分页+rate limit + 错误处理）

async function fetchCommitsForFile(repoRelativePath) {

const commits = [];

let page = 1;

while (true) {

const url = new URL(

`https://api.github.com/repos/${OWNER}/${REPO}/commits`,

);

url.searchParams.set("path", repoRelativePath);

url.searchParams.set("per_page", String(PER_PAGE));

url.searchParams.set("page", String(page));

const res = await fetch(url, { headers });

if (res.status === 403) {

const reset = res.headers.get("x-ratelimit-reset");

const resetDate = reset

? new Date(Number(reset) * 1000).toISOString()

: "unknown";

throw new Error(

`GitHub API rate limit reached (path: ${repoRelativePath}). Resets at ${resetDate}.`,

);

}

if (!res.ok) {

const text = await res.text();

throw new Error(

`Failed to fetch commits for ${repoRelativePath}: ${res.status} ${res.statusText} -> ${text}`,

);

}

const data = await res.json();

if (!Array.isArray(data) || data.length === 0) break;

commits.push(...data);

const link = res.headers.get("link") || "";

const hasNext = link.split(",").some((part) => part.includes('rel="next"'));

if (!hasNext) break;

page += 1;

}

return commits;

}

// 多路径抓取并按 sha 去重

async function fetchCommitsForPaths(allPaths) {

const bySha = new Map(); // sha -> commitObject

for (const p of allPaths) {

const commits = await fetchCommitsForFile(p);

for (const c of commits) {

const sha = c?.sha;

if (sha && !bySha.has(sha)) bySha.set(sha, c);

}

return Array.from(bySha.values());

}

// 仅用于统计跳过情况（author=null）等

function aggregateContributors(commits) {

const contributors = new Map();

let skipped = 0;

for (const commit of commits) {

const author = commit?.author; // 这里是 GitHub 账号对象（可能为 null）

if (!author || typeof author.id !== "number") {

skipped += 1;

continue;

}

const commitMeta = commit?.commit || {};

const rawDate = commitMeta?.author?.date || commitMeta?.committer?.date;

const commitDate = rawDate ? new Date(rawDate) : null;

if (!contributors.has(author.id)) {

contributors.set(author.id, {

githubId: author.id,

avatarUrl: author.avatar_url || null,

htmlUrl: author.html_url || null,

contributions: 1,

lastContributedAt: commitDate ? commitDate.toISOString() : null,

});

} else {

const existing = contributors.get(author.id);

existing.contributions += 1;

if (commitDate) {

const previous = existing.lastContributedAt

? new Date(existing.lastContributedAt)

: null;

if (!previous || commitDate > previous) {

existing.lastContributedAt = commitDate.toISOString();

}

const sorted = Array.from(contributors.values()).sort((a, b) => {

if (b.contributions !== a.contributions)

return b.contributions - a.contributions;

const dateA = a.lastContributedAt ? Date.parse(a.lastContributedAt) : 0;

const dateB = b.lastContributedAt ? Date.parse(b.lastContributedAt) : 0;

return dateB - dateA;

});

return { contributors: sorted, skipped };

}

// 写 doc_paths（维护历史路径）

async function upsertDocPath(docId, repoRelativePath, title = null) {

if (!prisma) return;

await prisma.$transaction(async (tx) => {

await tx.docs.upsert({

where: { id: docId },

create: {

id: docId,

path_current: repoRelativePath ?? null,

title: title ?? null,

update: {

path_current: repoRelativePath ?? undefined,

// title 可按需覆盖，这里默认不强制覆盖

});

await tx.doc_paths.upsert({

where: { doc_id_path: { doc_id: docId, path: repoRelativePath } },

create: { doc_id: docId, path: repoRelativePath },

update: {},

});

}

// 取一组 docId 的历史路径

async function getAllPathsForDocIds(docIds) {

if (!prisma || docIds.length === 0) return new Map();

const rows = await prisma.doc_paths.findMany({

where: { doc_id: { in: docIds } },

select: { doc_id: true, path: true },

});

const map = new Map(); // docId -> Set(paths)

for (const r of rows) {

const s = map.get(r.doc_id) ?? new Set();

s.add(r.path);

map.set(r.doc_id, s);

}

return map;

}

// 增量累计同步（核心）

async function syncResultsToDatabaseIncremental(results) {

if (!prisma) {

log("Skipping DB sync：未检测到 DATABASE_URL 或已禁用。");

return;

}

log("开始增量累计同步到数据库……");

// 按 docId 聚合“本轮的提交时间列表（按用户）”

const byDocId = new Map();

for (const r of results) {

if (r.error || !r.docId) continue;

const commits = Array.isArray(r._commits) ? r._commits : [];

const commitsByUser = new Map(); // gidStr -> Date[]

for (const c of commits) {

const gid = c?.author?.id;

if (!Number.isFinite(gid)) continue; // 跳过匿名/未绑定账号

const iso = c?.commit?.author?.date || c?.commit?.committer?.date;

if (!iso) continue;

const arr = commitsByUser.get(String(gid)) ?? [];

arr.push(new Date(iso));

commitsByUser.set(String(gid), arr);

}

for (const arr of commitsByUser.values()) arr.sort((a, b) => a - b);

const entry = byDocId.get(r.docId) ?? {

representativePath: r.filePath ?? null,

title: r.title ?? null,

commitsByUser: new Map(),

};

// 合并（保持有序）

for (const [gid, arr] of commitsByUser) {

const old = entry.commitsByUser.get(gid) ?? [];

const merged = old.concat(arr).sort((a, b) => a - b);

entry.commitsByUser.set(gid, merged);

}

if (!entry.title && r.title) entry.title = r.title;

if (r.filePath) entry.representativePath = r.filePath;

byDocId.set(r.docId, entry);

}

// 对每个 docId：读历史明细 -> 只累计“新于 last”的提交 -> 回写明细 -> 聚合回主表

for (const [docId, payload] of byDocId) {

const { commitsByUser, representativePath, title } = payload;

// 确保 docs 行存在（可更新 path/title）

await prisma.docs.upsert({

where: { id: docId },

create: {

id: docId,

path_current: representativePath ?? null,

title: title ?? null,

update: {

path_current: representativePath ?? undefined,

title: title ?? undefined,

});

// 读历史明细

const existing = await prisma.doc_contributors.findMany({

where: { doc_id: docId },

select: {

github_id: true,

contributions: true,

last_contributed_at: true,

});

const prevMap = new Map(); // gidStr -> { count, last: Date|null }

for (const row of existing) {

prevMap.set(String(row.github_id), {

count: Number(row.contributions) || 0,

last: row.last_contributed_at

? new Date(row.last_contributed_at)

: null,

});

}

// 对“本轮出现的用户”做增量

for (const [gidStr, timesAsc] of commitsByUser) {

const prev = prevMap.get(gidStr) ?? { count: 0, last: null };

// 只计 prev.last 之后的提交

const delta = timesAsc.filter((t) => !prev.last || t > prev.last).length;

const newCount = prev.count + delta;

const newestThisRound = timesAsc.length

? timesAsc[timesAsc.length - 1]

: null;

const newLast =

newestThisRound && (!prev.last || newestThisRound > prev.last)

? newestThisRound

: prev.last;

await prisma.doc_contributors.upsert({

where: {

doc_id_github_id: {

doc_id: docId,

github_id: BigInt(gidStr),

create: {

doc_id: docId,

github_id: BigInt(gidStr),

contributions: newCount,

last_contributed_at: newLast ?? new Date(),

update: {

contributions: newCount,

last_contributed_at: newLast ?? new Date(),

});

prevMap.set(gidStr, { count: newCount, last: newLast ?? prev.last });

}

// 没在本轮出现的既有作者：保持不动（不删），满足“累计保留历史”的语义

// 聚合回 docs.contributor_stats（仅保留 count>0）

const finalStats = Object.fromEntries(

Array.from(prevMap.entries())

.filter(([, v]) => (v?.count ?? 0) > 0)

.map(([gid, v]) => [gid, v.count]),

);

await prisma.docs.update({

where: { id: docId },

data: { contributor_stats: finalStats },

});

log(` ✔ docId=${docId} 累计完成：${JSON.stringify(finalStats)}`);

}

log("数据库增量累计已完成。");

}

// 主流程

async function main() {

log(`Scanning docs under: ${path.relative(REPO_ROOT, docsDirAbs)}`);

const docFiles = await listDocFiles();

if (docFiles.length === 0) {

log("No doc files found. Abort.");

return;

}

// 扫描当前文件：收集 docId -> 当前路径集合、以及 docId->title

const currentDocIdPaths = new Map(); // docId -> Set(paths)

const titleByDocId = new Map();

for (const file of docFiles) {

const repoRelative = path

.relative(REPO_ROOT, file.absolute)

.replace(/\\/g, "/");

const raw = await fs.readFile(file.absolute, "utf8");

const meta = parseDocFrontmatter(raw);

if (!meta.docId) {

log(` ⚠️ 跳过 ${repoRelative}：缺少 docId`);

continue;

}

// 翻译版（frontmatter 有 translatedFrom）不统计贡献者

if (meta.isTranslation) {

log(` ⏭ 跳过翻译版：${repoRelative}`);

continue;

}

const set = currentDocIdPaths.get(meta.docId) ?? new Set();

set.add(repoRelative);

currentDocIdPaths.set(meta.docId, set);

if (!titleByDocId.has(meta.docId) && meta.title) {

titleByDocId.set(meta.docId, meta.title);

}

// 记入 doc_paths（DB 中维护历史路径）

await upsertDocPath(meta.docId, repoRelative);

}

const docIds = Array.from(currentDocIdPaths.keys());

if (docIds.length === 0) {

log("No docs with docId found. Abort.");

return;

}

// 历史路径合并

const historical = await getAllPathsForDocIds(docIds);

// 按每个 docId 抓取（合并路径+去重）并计算基础统计

const results = [];

for (const docId of docIds) {

const currentSet = currentDocIdPaths.get(docId) ?? new Set();

const histSet = historical.get(docId) ?? new Set();

const unionPaths = new Set([...histSet, ...currentSet]);

if (unionPaths.size === 0) {

log(` ⚠️ docId=${docId} 无路径记录，跳过`);

continue;

}

const representativePath =

currentSet.values().next().value ?? histSet.values().next().value ?? null;

const title = titleByDocId.get(docId) ?? null;

let commits = [];

try {

commits = await fetchCommitsForPaths(Array.from(unionPaths));

} catch (err) {

log(` ✖ 拉取 commits 失败 (docId=${docId}): ${err.message}`);

results.push({

docId,

title,

filePath: representativePath,

allPaths: Array.from(unionPaths),

error: err.message,

});

continue;

}

const { contributors, skipped } = aggregateContributors(commits);

const statsThisRound = Object.fromEntries(

(contributors || []).map((c) => [String(c.githubId), c.contributions]),

);

const commitTimestamps = commits

.map((c) => c?.commit?.author?.date || c?.commit?.committer?.date)

.filter(Boolean)

.map((v) => Date.parse(v))

.filter(Number.isFinite)

.sort((a, b) => b - a);

// 注意：为了增量计算，携带 _commits 原始数据（仅进程内使用，不写到 JSON）

results.push({

docId,

title,

filePath: representativePath,

allPaths: Array.from(unionPaths),

totalCommits: commits.length,

skippedCommits: skipped,

contributorStatsThisRound: statsThisRound, // 仅用于日志

lastCommitAt: commitTimestamps.length

? new Date(commitTimestamps[0]).toISOString()

: null,

_commits: commits, // 用于增量（后续不写入 JSON）

contributorsRaw: contributors,

});

}

// 先做增量写入 DB（如启用）

if (shouldSyncDb) {

await syncResultsToDatabaseIncremental(results);

} else {

log("未启用数据库同步（无 DATABASE_URL 或已显式禁用）。");

}

// 生成最终 JSON：若启用 DB，同步后从 DB 读回累计后的 contributor_stats；

// 若未启用 DB，则 JSON 退化为“本轮快照 + 基础信息”（无法拿到累计值）。

const finalJsonResults = [];

// 批量获取 DB 数据（解决 N+1 问题）

const docsMap = new Map();

if (shouldSyncDb) {

const docIdsToFetch = results.map((r) => r.docId).filter(Boolean);

const allDocs = await prisma.docs.findMany({

where: { id: { in: docIdsToFetch } },

select: {

id: true,

contributor_stats: true,

path_current: true,

doc_contributors: {

select: {

github_id: true,

contributions: true,

last_contributed_at: true,

orderBy: [{ contributions: "desc" }, { last_contributed_at: "desc" }],

});

for (const d of allDocs) {

docsMap.set(d.id, d);

}

for (const r of results) {

if (!r.docId) continue;

if (shouldSyncDb) {

const rawMetaById = new Map(

(r.contributorsRaw ?? [])

.map((meta) => {

const githubId =

meta?.githubId !== undefined && meta?.githubId !== null

? String(meta.githubId)

: meta?.github_id !== undefined && meta?.github_id !== null

? String(meta.github_id)

: null;

if (!githubId) return null;

return [

githubId,

{

avatarUrl: meta?.avatarUrl ?? null,

htmlUrl: meta?.htmlUrl ?? null,

lastContributedAt:

typeof meta?.lastContributedAt === "string"

? meta.lastContributedAt

: meta?.last_contributed_at instanceof Date

? meta.last_contributed_at.toISOString()

: null,

];

})

.filter(Boolean),

);

const row = docsMap.get(r.docId);

const contributorsFromDb = (row?.doc_contributors ?? [])

.map((contrib) => ({

githubId:

contrib.github_id !== null && contrib.github_id !== undefined

? contrib.github_id.toString()

: null,

contributions: Number(contrib.contributions ?? 0),

lastContributedAt: contrib.last_contributed_at

? new Date(contrib.last_contributed_at).toISOString()

: null,

}))

.filter((item) => item.githubId !== null)

.map((item) => {

const meta = rawMetaById.get(item.githubId);

const fallbackAvatar = item.githubId

? `https://avatars.githubusercontent.com/u/${item.githubId}`

: null;

const fallbackHtmlUrl = meta?.login

? `https://github.com/${meta.login}`

: null;

return {

...item,

avatarUrl: meta?.avatarUrl ?? fallbackAvatar,

htmlUrl: meta?.htmlUrl ?? fallbackHtmlUrl,

};

});

finalJsonResults.push({

docId: r.docId,

path: row?.path_current ?? r.filePath ?? null,

contributorStats: normalizeContributorStats(row?.contributor_stats),

contributors: contributorsFromDb,

});

} else {

const fallbackContributors = (r.contributorsRaw ?? [])

.map((contrib) => ({

githubId:

contrib?.githubId !== undefined && contrib?.githubId !== null

? String(contrib.githubId)

: contrib?.github_id !== undefined && contrib?.github_id !== null

? String(contrib.github_id)

: null,

contributions: Number(contrib?.contributions ?? 0),

lastContributedAt:

typeof contrib?.lastContributedAt === "string"

? contrib.lastContributedAt

: contrib?.last_contributed_at instanceof Date

? contrib.last_contributed_at.toISOString()

: null,

avatarUrl:

contrib?.avatarUrl ??

(contrib?.githubId

? `https://avatars.githubusercontent.com/u/${contrib.githubId}`

: null),

htmlUrl:

contrib?.htmlUrl ??

(contrib?.login ? `https://github.com/${contrib.login}` : null),

}))

.filter((item) => item.githubId !== null)

.sort((a, b) => {

if (b.contributions !== a.contributions) {

return b.contributions - a.contributions;

}

const timeA = a.lastContributedAt

? Date.parse(a.lastContributedAt)

: 0;

const timeB = b.lastContributedAt

? Date.parse(b.lastContributedAt)

: 0;

return timeB - timeA;

});

finalJsonResults.push({

docId: r.docId,

path: r.filePath ?? null,

contributorStats: normalizeContributorStats(

r.contributorStatsThisRound ?? {},

contributors: fallbackContributors,

});

}

await ensureParentDir(outputAbs);

await fs.writeFile(

outputAbs,

JSON.stringify(

{

repo: `${OWNER}/${REPO}`,

generatedAt: new Date().toISOString(),

docsDir: path.relative(REPO_ROOT, docsDirAbs),

totalDocs: finalJsonResults.length,

results: finalJsonResults,

null,

);

log(

`Done. Wrote ${finalJsonResults.length} entries to ${path.relative(

REPO_ROOT,

outputAbs,

)} (JSON 使用累计后的最终值${shouldSyncDb ? "" : "（DB 未启用时退化为本轮快照）"}).`,

);

}

// 兜底

main()

.catch((error) => {

console.error("[backfill-contributors] Unexpected error", error);

process.exit(1);

})

.finally(async () => {

if (prisma) {

await prisma.$disconnect();

}

});

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