te')); return $arr; } /* 遍历用户所有主题 * @param $uid 用户ID * @param int $page 页数 * @param int $pagesize 每页记录条数 * @param bool $desc 排序方式 TRUE降序 FALSE升序 * @param string $key 返回的数组用那一列的值作为 key * @param array $col 查询哪些列 */ function thread_tid_find_by_uid($uid, $page = 1, $pagesize = 1000, $desc = TRUE, $key = 'tid', $col = array()) { if (empty($uid)) return array(); $orderby = TRUE == $desc ? -1 : 1; $arr = thread_tid__find($cond = array('uid' => $uid), array('tid' => $orderby), $page, $pagesize, $key, $col); return $arr; } // 遍历栏目下tid 支持数组 $fid = array(1,2,3) function thread_tid_find_by_fid($fid, $page = 1, $pagesize = 1000, $desc = TRUE) { if (empty($fid)) return array(); $orderby = TRUE == $desc ? -1 : 1; $arr = thread_tid__find($cond = array('fid' => $fid), array('tid' => $orderby), $page, $pagesize, 'tid', array('tid', 'verify_date')); return $arr; } function thread_tid_delete($tid) { if (empty($tid)) return FALSE; $r = thread_tid__delete(array('tid' => $tid)); return $r; } function thread_tid_count() { $n = thread_tid__count(); return $n; } // 统计用户主题数 大数量下严谨使用非主键统计 function thread_uid_count($uid) { $n = thread_tid__count(array('uid' => $uid)); return $n; } // 统计栏目主题数 大数量下严谨使用非主键统计 function thread_fid_count($fid) { $n = thread_tid__count(array('fid' => $fid)); return $n; } ?>javascript - Server Side Calculation using Firebase - Stack Overflow

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    javascript - Server Side Calculation using Firebase - Stack Overflow

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    Given the starting time/date and duration, how can I make a server side calculation that determines if an object is "finished", "in progress", or "uping"

    --Show
  --duration: "144"
  --startDate: "2015-11-10"
  --startTime: "14:00"
  --status: "?"

    Client-side javascript to determine if the show has started yet:

    // if negative, then show hasn't started yet
var time = (-(startdate.getTime() - currentdate.getTime()) / 1000 / 60);

    Client-side javascript to determine if the show has finished running yet:

    // if negative, then show has finished
var timeLeft = channelDuration - timerStartTime;

    Given the starting time/date and duration, how can I make a server side calculation that determines if an object is "finished", "in progress", or "uping"

    --Show
  --duration: "144"
  --startDate: "2015-11-10"
  --startTime: "14:00"
  --status: "?"

    Client-side javascript to determine if the show has started yet:

    // if negative, then show hasn't started yet
var time = (-(startdate.getTime() - currentdate.getTime()) / 1000 / 60);

    Client-side javascript to determine if the show has finished running yet:

    // if negative, then show has finished
var timeLeft = channelDuration - timerStartTime;
    • javascript
    • firebase
    Share Improve this question edited Nov 11, 2015 at 20:28 Kato 40.6k6 gold badges122 silver badges149 bronze badges asked Nov 11, 2015 at 2:12 OnichanOnichan 4,5166 gold badges33 silver badges61 bronze badges 1
    • Possible duplicate of How would I run server-side code in Firebase? – Kato Commented Nov 11, 2015 at 20:29
    Add a ment  | 

    2 Answers 2

    Reset to default 10

    There is no way to run your own server-side code on Firebase. See:

    • Common Firebase application architectures
    • Firebase Hosting with own server node.js
    • How would I run server-side code in Firebase?
    • How to write custom code (logic) when using firebase

    But you can store a server-side timestamp, which seems what you're trying to do:

    ref.child('Show/startTimestamp').set(Firebase.ServerValue.TIMESTAMP);

    You can then get the shows that haven't started yet with:

    var shows = ref.child('Shows');
ref.orderByChild('startTimeStamp').startAt(Date.now()).on(...

    For someone passing by, I think now Firebase allow you to do this by Cloud Function. For this case, you can create the function that determine the status of the status by other parameter when the data is added to you database.

    Please checkout

    https://firebase.google./docs/functions/

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