feat: add Railway-ready Jyotish chat product

2026-07-15 22:23:17 +08:00
parent 4a268c75f2
commit 4aa0105fa4
77 changed files with 15439 additions and 80 deletions
@@ -0,0 +1,97 @@
+import { mkdir, writeFile } from "node:fs/promises";
+import { dirname, resolve } from "node:path";
+import { fileURLToPath } from "node:url";
+
+const SOURCE_URL = "https://raw.githubusercontent.com/zhChuXiao/ChinaGeoJson/master/info.json";
+const outputPath = resolve(
+  dirname(fileURLToPath(import.meta.url)),
+  "../src/data/china-locations.json",
+);
+
+const response = await fetch(SOURCE_URL, {
+  headers: { "user-agent": "Ayanam location-data refresh" },
+});
+
+if (!response.ok) {
+  throw new Error(`Unable to download China location data: ${response.status} ${response.statusText}`);
+}
+
+const source = await response.json();
+
+function childrenOf(code) {
+  const record = source[String(code)];
+  return Array.isArray(record?.children) ? record.children : [];
+}
+
+function toLocation(node) {
+  const [longitude, latitude] = Array.isArray(node.center) ? node.center : [];
+  if (!Number.isFinite(longitude) || !Number.isFinite(latitude)) {
+    throw new Error(`Missing valid coordinates for ${node.name} (${node.adcode})`);
+  }
+
+  return {
+    code: String(node.adcode),
+    name: node.name,
+    center: [longitude, latitude],
+  };
+}
+
+function toCity(node) {
+  const location = toLocation(node);
+  return {
+    ...location,
+    districts: childrenOf(node.adcode).map(toLocation),
+  };
+}
+
+function toProvince(node) {
+  const location = toLocation(node);
+  const directChildren = childrenOf(node.adcode);
+  const directDistricts = directChildren.filter((child) => child.level === "district");
+
+  // Direct-administered municipalities, Hong Kong and Macao have districts
+  // directly below the province-level node. A virtual city keeps the UI's
+  // country → province → city → district sequence consistent.
+  if (directChildren.length === directDistricts.length) {
+    return {
+      ...location,
+      cities: [{
+        code: `${node.adcode}-city`,
+        name: node.name,
+        center: location.center,
+        districts: directDistricts.map(toLocation),
+      }],
+    };
+  }
+
+  return {
+    ...location,
+    cities: directChildren.map(toCity),
+  };
+}
+
+const countryChildren = childrenOf(100000).filter((node) => node.level === "province");
+const output = {
+  source: {
+    name: "ChinaGeoJson / DataV.GeoAtlas",
+    url: SOURCE_URL,
+    license: "MIT",
+    generatedAt: new Date().toISOString(),
+  },
+  country: {
+    code: "CN",
+    name: "中国",
+    timezone: 8,
+    provinces: countryChildren.map(toProvince),
+  },
+};
+
+await mkdir(dirname(outputPath), { recursive: true });
+await writeFile(outputPath, `${JSON.stringify(output)}\n`, "utf8");
+
+const cityCount = output.country.provinces.reduce((total, province) => total + province.cities.length, 0);
+const districtCount = output.country.provinces.reduce(
+  (total, province) => total + province.cities.reduce((sum, city) => sum + city.districts.length, 0),
+  0,
+);
+console.log(`Wrote ${outputPath}: ${output.country.provinces.length} provinces, ${cityCount} cities, ${districtCount} districts.`);