init

src/utils.ts

@@ -0,0 +1,69 @@
+import { Context } from "hono";
+
+const getJsonObjectValue = <T = any>(
+    value: string | any
+): T | null => {
+    if (value == undefined || value == null) {
+        return null;
+    }
+    if (typeof value === "object") {
+        return value as T;
+    }
+    if (typeof value !== "string") {
+        return null;
+    }
+    try {
+        return JSON.parse(value) as T;
+    } catch (e) {
+        console.error(`GetJsonValue: Failed to parse ${value}`, e);
+    }
+    return null;
+}
+
+
+export const getJsonSetting = async <T = any>(
+    c: Context<HonoCustomType>, key: string
+): Promise<T | null> => {
+    const value = await getSetting(c, key);
+    if (!value) {
+        return null;
+    }
+    try {
+        return JSON.parse(value) as T;
+    } catch (e) {
+        console.error(`GetJsonSetting: Failed to parse ${key}`, e);
+    }
+    return null;
+}
+
+export const getSetting = async (
+    c: Context<HonoCustomType>, key: string
+): Promise<string | null> => {
+    try {
+        const value = await c.env.DB.prepare(
+            `SELECT value FROM settings where key = ?`
+        ).bind(key).first<string>("value");
+        return value;
+    } catch (error) {
+        console.error(`GetSetting: Failed to get ${key}`, error);
+    }
+    return null;
+}
+
+export const saveSetting = async (
+    c: Context<HonoCustomType>,
+    key: string, value: string
+) => {
+    await c.env.DB.prepare(
+        `INSERT INTO settings (key, value) VALUES (?, ?)`
+        + ` ON CONFLICT(key) DO UPDATE SET value = ?, updated_at = datetime('now')`
+    ).bind(key, value, value).run();
+    return true;
+}
+
+export default {
+    getJsonObjectValue,
+    getJsonSetting,
+    getSetting,
+    saveSetting,
+}