新增数学思维自学板块与考试板块(9模块154课+初一上5套真实试卷客观题)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

scripts/seed-math.ts

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+// xuchao: 数学内容种子——src/content/math/*.json 灌入 math_point;表空全量,否则增量(按 pointId 跳过,seq 续接)
+import fs from "node:fs";
+import path from "node:path";
+import { sql } from "drizzle-orm";
+import { drizzle } from "drizzle-orm/mysql2";
+import mysql from "mysql2/promise";
+import { mathPoints } from "../src/db/schema";
+
+type MathPoint = { id: string; title: string; grade?: string; difficulty: number; summary?: string; md: string };
+type MathModuleFile = { module: string; moduleName: string; points: MathPoint[] };
+
+// 模块顺序即学习顺序,与 src/lib/math.ts 的 MODULES 保持一致
+const MODULE_ORDER = ["calc", "apply", "geo", "num", "travel", "eq", "combo"];
+
+async function main() {
+  const dir = path.join(process.cwd(), "src/content/math");
+  if (!fs.existsSync(dir)) {
+    console.log("src/content/math 不存在,跳过数学种子");
+    return;
+  }
+  const files: MathModuleFile[] = fs
+    .readdirSync(dir)
+    .filter((f) => f.endsWith(".json"))
+    .sort()
+    .map((f) => JSON.parse(fs.readFileSync(path.join(dir, f), "utf8")));
+
+  const conn = await mysql.createConnection(process.env.DATABASE_URL!);
+  const db = drizzle(conn);
+
+  const [cnt] = await db.select({ n: sql<number>`COUNT(*)` }).from(mathPoints);
+  if (cnt.n > 0) console.log("math_point 已有", cnt.n, "条,增量模式(跳过已存在 pointId)");
+  const [mx] = await db.select({ m: sql<number>`COALESCE(MAX(seq),0)` }).from(mathPoints);
+  let seq = mx.m;
+  const existing = new Set(
+    (await db.select({ pointId: mathPoints.pointId }).from(mathPoints)).map((r) => r.pointId),
+  );
+
+  let added = 0;
+  for (const mod of MODULE_ORDER) {
+    for (const file of files.filter((f) => f.module === mod)) {
+      for (const p of file.points) {
+        if (existing.has(p.id)) continue;
+        seq += 1;
+        await db.insert(mathPoints).values({
+          pointId: p.id,
+          module: file.module,
+          moduleName: file.moduleName,
+          title: p.title,
+          grade: p.grade ?? null,
+          difficulty: p.difficulty || 1,
+          summary: p.summary ?? null,
+          md: p.md,
+          seq,
+        });
+        added++;
+      }
+    }
+  }
+  const [tot] = await db.select({ n: sql<number>`COUNT(*)` }).from(mathPoints);
+  console.log("新增数学课:", added, "| 数学知识点总数:", tot.n);
+  await conn.end();
+}
+
+main();