feat: support github oauth

server/database/cache.ts

@@ -0,0 +1,45 @@
+import type { NewsItem } from "@shared/types"
+import type { Database } from "db0"
+import type { CacheInfo } from "../types"
+
+export class Cache {
+  private db
+  constructor(db: Database) {
+    this.db = db
+  }
+
+  async init() {
+    await this.db.prepare(`
+      CREATE TABLE IF NOT EXISTS cache (
+        id TEXT PRIMARY KEY,
+        updated INTEGER,
+        data TEXT
+      );
+    `).run()
+    logger.success(`init cache table`)
+  }
+
+  async set(key: string, value: NewsItem[]) {
+    const now = Date.now()
+    await this.db.prepare(
+      `INSERT OR REPLACE INTO cache (id, data, updated) VALUES (?, ?, ?)`,
+    ).run(key, JSON.stringify(value), now)
+    logger.success(`set ${key} cache`)
+  }
+
+  async get(key: string): Promise<CacheInfo> {
+    const row: any = await this.db.prepare(`SELECT id, data, updated FROM cache WHERE id = ?`).get(key)
+    const r = row
+      ? {
+          ...row,
+          data: JSON.parse(row.data),
+        }
+      : undefined
+    logger.success(`get ${key} cache`)
+    return r
+  }
+
+  async delete(key: string) {
+    return await this.db.prepare(`DELETE FROM cache WHERE id = ?`).run(key)
+  }
+}