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webbutv3/word-app/util/

db_connect.php
dict.xml
practice.php
user.php
util.php

practice.php

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<?php


// scentences

function new_scentence($translationId, $scentence, $gramaticlyCorrect = false, $gramaticlySound = false, $verified = false)
{
    quick_statment("INSERT INTO scentence (translation_id, scentence, gramaticly_correct, gramaticly_sound, verified) VALUES(?, ?, ?, ?, ?)", "isiii", $translationId, $scentence, $gramaticlyCorrect, $gramaticlySound, $verified);
}

function verify_scentence($scentenceId, $gramaticlyCorrect, $gramaticlySound)
{
    quick_statment("UPDATE scentence SET gramaticly_correct=? gramaticly_sound=? verified=true WHERE id=?", "iiii", $gramaticlyCorrect, $gramaticlySound, $scentenceId);
}

// translation functions

function get_users_available_translations($userId)
{

    return quick_statment("SELECT * FROM translation WHERE user_id=?", "i", $userId)->fetch_all(MYSQLI_ASSOC);
}


// try_record functions 
function next_checkpoint(&$tries) // IMPORTANT - WILL SORT THE ORIGINAL ARRAY
{
    if (count($tries) < 5)
        return 0;

    usort($tries, function ($a, $b) {
        return $b["time"] - $a["time"];
    });
    // sort

    // figure out next 
    $streak = 0;
    for ($j = 0; $j < count($tries); $j++) {
        $try = $tries[$j];
        if ($try["success"] && $streak != -1)
            $streak++;
        else
            $streak = -1;

        if ($streak > 3)
            break;
    }

    if ($streak < 4) {
        return 0;
    }
    return 2 * $tries[0]["time"] - $tries[$streak - 1]["time"];
}

function to_recent($try)
{
    $tryCooldownTime = 30; // 30 seconds
    return time() - $try["time"] < $tryCooldownTime;
}

function get_practice_problem()
{
    global $db;
    $userId = user_id();
    $availableTranslations = get_users_available_translations($userId);
    $problem = null;
    $backupProblem = null;
    $leftToLearn = 0;
    // check for checkpoints
    foreach ($availableTranslations as $translation) {
        $tries = quick_statment("SELECT * FROM try_record WHERE translation_id=?", "i", $translation["id"])->fetch_all(MYSQLI_ASSOC);
        $nextCheckpoint = next_checkpoint($tries);

        //echo $nextCheckpoint;
        if (time() > $nextCheckpoint) {
            if ($nextCheckpoint != 0) {
                if (time() - $tries[0]["time"] < 60 && $problem == null) {
                    $problem = $translation;
                    continue;
                } else {
                    $problem = $translation;
                    break;
                }

            }
            if (time() - $tries[0]["time"] < 60) {
                if ($backupProblem == null) {
                    $backupProblem = $translation;
                }
            } else {
                $backupProblem = $translation;
            }

        }
    }
    if ($backupProblem == null && $problem == null)
        die("???");

    if ($problem == null)
        $problem = $backupProblem;

    $wordObj = quick_statment("SELECT * FROM word WHERE id=?", "i", $problem["word_id"])->fetch_assoc();
    $translations = [];

    foreach ($availableTranslations as $translation) {
        if ($translation["word_id"] == $wordObj["id"])
            $translations[] = $translation;
    }

    return
        [
            "word" => $wordObj,
            "translations" => $translations
        ];
}

function record_practice(int $wordId, bool $success)
{
    global $db;
    $stmt = $db->prepare("INSERT INTO try_record (word_id, success) VALUES (?, ?)");
    $stmt->bind_param("ib", $wordId, $success);
    $stmt->execute();
}