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add: ver()

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Signed-off-by: Kenneth Obsequio <k80308392@gmail.com>
This commit is contained in:
kennethobsequio
2026-07-08 11:31:40 +08:00
parent 0e4cd86119
commit bb7e8fde08
29 changed files with 2234 additions and 780 deletions
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utils/duration.util.js
+22 -14
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@@ -59,9 +59,10 @@ async function recomputeUnitDuration(unitId) {
const Unit = require("../models/courses/units.mdl");
const [unitResult] = await Lesson.sequelize.query(`
SELECT COALESCE(SUM(duration_seconds), 0) AS total
FROM lessons
WHERE unit_id = :unitId AND "deletedAt" IS NULL
SELECT COALESCE(SUM(l.duration_seconds), 0) AS total
FROM lessons l
JOIN unit_lessons ul ON ul.lesson_id = l.lesson_id
WHERE ul.unit_id = :unitId AND l."deletedAt" IS NULL
`, { replacements: { unitId }, type: Lesson.sequelize.QueryTypes.SELECT });
await Unit.update({ duration_seconds: unitResult.total }, { where: { unit_id: unitId } });
@@ -77,9 +78,10 @@ async function recomputeCourseDuration(courseId) {
const { Course } = require("../models/courses/courses.mdl");
const [courseResult] = await Unit.sequelize.query(`
SELECT COALESCE(SUM(duration_seconds), 0) AS total
FROM units
WHERE course_id = :courseId AND "deletedAt" IS NULL
SELECT COALESCE(SUM(u.duration_seconds), 0) AS total
FROM units u
JOIN course_units cu ON cu.unit_id = u.unit_id
WHERE cu.course_id = :courseId AND u."deletedAt" IS NULL
`, { replacements: { courseId }, type: Unit.sequelize.QueryTypes.SELECT });
await Course.update({ duration_seconds: courseResult.total }, { where: { course_id: courseId } });
@@ -87,12 +89,14 @@ async function recomputeCourseDuration(courseId) {
/**
* Recompute and persist duration_seconds up the chain:
* blocks → lesson → unit → course
* blocks → lesson → every attached unit → every course those units are attached to.
* A lesson may live in many units, and a unit in many courses, so all parents refresh.
*/
async function recomputeDurations(lessonId) {
const Lesson = require("../models/courses/lessons.mdl");
const Unit = require("../models/courses/units.mdl");
const LessonPage = require("../models/courses/lesson_page.mdl");
const UnitLesson = require("../models/courses/unit_lessons.mdl");
const CourseUnit = require("../models/courses/course_units.mdl");
// 1. Lesson duration from blocks
const page = await LessonPage.findOne({ where: { lesson_id: lessonId } });
@@ -104,13 +108,17 @@ async function recomputeDurations(lessonId) {
const safeLessonSecs = isNaN(lessonSecs) ? 0 : lessonSecs;
await Lesson.update({ duration_seconds: safeLessonSecs }, { where: { lesson_id: lessonId } });
// 2. Unit duration — sum of its lessons
const lesson = await Lesson.findOne({ where: { lesson_id: lessonId } });
await recomputeUnitDuration(lesson.unit_id);
// 2. Every unit that contains this lesson
const unitLinks = await UnitLesson.findAll({ where: { lesson_id: lessonId }, attributes: ["unit_id"] });
const unitIds = [...new Set(unitLinks.map((l) => String(l.unit_id)))];
for (const unitId of unitIds) await recomputeUnitDuration(unitId);
// 3. Course duration — sum of its units
const unit = await Unit.findOne({ where: { unit_id: lesson.unit_id } });
await recomputeCourseDuration(unit.course_id);
// 3. Every course that contains those units
if (unitIds.length) {
const courseLinks = await CourseUnit.findAll({ where: { unit_id: unitIds }, attributes: ["course_id"] });
const courseIds = [...new Set(courseLinks.map((l) => String(l.course_id)))];
for (const courseId of courseIds) await recomputeCourseDuration(courseId);
}
}
/**