128 lines
4.3 KiB
D
128 lines
4.3 KiB
D
module sample_data;
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import db;
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import data_utils;
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import d2sqlite3;
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import std.random;
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import std.algorithm;
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import std.array;
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import std.datetime;
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private const STUDENT_NAMES = [
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"Andrew",
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"Richard",
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"Klaus",
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"John",
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"Wilson",
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"Grace",
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"Sarah",
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"Rebecca",
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"Lily",
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"Thomas",
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"Michael",
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"Jennifer",
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"Robert",
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"Christopher",
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"Margaret",
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"Mordecai",
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"Rigby",
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"Walter",
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"Roy",
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"Cindy"
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];
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void insertSampleData(ref Database db) {
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db.begin();
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ulong adminUserId = addUser(db, "test", "test", false, true);
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ulong normalUserId = addUser(db, "test2", "test", false, false);
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Random rand = Random(0);
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const SysTime now = Clock.currTime();
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const Date today = Date(now.year, now.month, now.day);
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for (ushort i = 1; i <= 6; i++) {
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ulong classId = addClass(db, "2024-2025", i, adminUserId);
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bool classHasAssignedDesks = uniform01(rand) < 0.5;
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size_t count = uniform(10, STUDENT_NAMES.length, rand);
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auto studentsToAdd = randomSample(STUDENT_NAMES, count, rand);
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ushort deskNumber = 1;
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foreach (name; studentsToAdd) {
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bool removed = uniform01(rand) < 0.1;
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ushort assignedDeskNumber = 0;
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if (classHasAssignedDesks) {
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assignedDeskNumber = deskNumber++;
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}
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ulong studentId = addStudent(db, name, classId, assignedDeskNumber, removed);
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// Add entries for the last N days
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for (int n = 0; n < 30; n++) {
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Date entryDate = today - days(n);
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bool missingEntry = uniform01(rand) < 0.05;
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if (missingEntry) continue;
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bool absent = uniform01(rand) < 0.05;
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bool phoneCompliant = uniform01(rand) < 0.85;
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ubyte behaviorRating = 3;
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string behaviorComment = null;
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if (uniform01(rand) < 0.25) {
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behaviorRating = 2;
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behaviorComment = "They did not participate enough.";
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if (uniform01(rand) < 0.5) {
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behaviorRating = 3;
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behaviorComment = "They are a horrible student.";
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}
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}
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addEntry(db, classId, studentId, entryDate, absent, phoneCompliant, behaviorRating, behaviorComment);
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}
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}
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}
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db.commit();
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}
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ulong addUser(ref Database db, string username, string password, bool locked, bool admin) {
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const query = "INSERT INTO user (username, password_hash, created_at, is_locked, is_admin) VALUES (?, ?, ?, ?, ?)";
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import std.digest.sha;
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import std.stdio;
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string passwordHash = cast(string) sha256Of(password).toHexString().idup;
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db.execute(query, username, passwordHash, getUnixTimestampMillis(), locked, admin);
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return db.lastInsertRowid();
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}
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ulong addClass(ref Database db, string schoolYear, ushort number, ulong userId) {
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const query = "INSERT INTO classroom_compliance_class (number, school_year, user_id) VALUES (?, ?, ?)";
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db.execute(query, number, schoolYear, userId);
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return db.lastInsertRowid();
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}
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ulong addStudent(ref Database db, string name, ulong classId, ushort deskNumber, bool removed) {
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const query = "INSERT INTO classroom_compliance_student (name, class_id, desk_number, removed) VALUES (?, ?, ?, ?)";
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db.execute(query, name, classId, deskNumber, removed);
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return db.lastInsertRowid();
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}
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void addEntry(
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ref Database db,
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ulong classId,
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ulong studentId,
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Date date,
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bool absent,
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bool phoneCompliant,
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ubyte behaviorRating,
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string behaviorComment
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) {
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const entryQuery = "
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INSERT INTO classroom_compliance_entry
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(class_id, student_id, date, created_at, absent)
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VALUES (?, ?, ?, ?, ?)";
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db.execute(entryQuery, classId, studentId, date.toISOExtString(), getUnixTimestampMillis(), absent);
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if (absent) return;
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ulong entryId = db.lastInsertRowid();
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const phoneQuery = "INSERT INTO classroom_compliance_entry_phone (entry_id, compliant) VALUES (?, ?)";
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db.execute(phoneQuery, entryId, phoneCompliant);
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const behaviorQuery = "
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INSERT INTO classroom_compliance_entry_behavior
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(entry_id, rating, comment)
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VALUES (?, ?, ?)";
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db.execute(behaviorQuery, entryId, behaviorRating, behaviorComment);
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}
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