控制开始时间

libs/db.js

@@ -23,6 +23,9 @@ db.prepare(
 db.prepare(
   `INSERT OR IGNORE INTO configs (name, value) VALUES ('token', 'woshimima')`
 ).run();
+db.prepare(
+  `INSERT OR IGNORE INTO configs (name, value) VALUES ('started', 'false')`
+).run();
 
 // prepare statements
 const insertTimeRange = db.prepare(
@@ -40,6 +43,9 @@ const getUsername = db.prepare(`SELECT username FROM time_ranges WHERE id = ?`);
 const updateUsernameWithLimit = db.transaction((username, id, limit) => {
   const count = countUser.get(username).count;
   const existingUsername = getUsername.get(id).username;
+  if (!getStarted()) {
+    throw new Error("还没到开始时间喔");
+  }
   if (existingUsername !== "") {
     throw new Error("这个时间段已经有人了喔");
   }
@@ -50,9 +56,7 @@ const updateUsernameWithLimit = db.transaction((username, id, limit) => {
 });
 
 const getConfigStmt = db.prepare(`SELECT value FROM configs WHERE name = ?`);
-const setConfigStmt = db.prepare(
-  `UPDATE configs SET value = ? WHERE name = ?`
-);
+const setConfigStmt = db.prepare(`UPDATE configs SET value = ? WHERE name = ?`);
 const getLimit = () => {
   const limit = getConfigStmt.get("limit").value;
   return parseInt(limit);
@@ -70,6 +74,16 @@ const authenticate = (token) => {
   return token === tokenFromDB;
 };
 
+const getStarted = () => {
+  const started = getConfigStmt.get("started").value;
+  return started === "true";
+};
+
+const setStarted = (started) => {
+  const started_string = started ? "true" : "false";
+  setConfigStmt.run(started_string, "started");
+};
+
 export {
   insertTimeRange,
   getTimeRanges,
@@ -79,4 +93,6 @@ export {
   getLimit,
   setLimit,
   authenticate,
+  getStarted,
+  setStarted,
 };