@defikitdotnet/education-module-ai
Version:
AI Education Module using Agent Framework
943 lines • 51.1 kB
JavaScript
"use strict";
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function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
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var __rest = (this && this.__rest) || function (s, e) {
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var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
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}
}
return to.concat(ar || Array.prototype.slice.call(from));
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.CourseService = void 0;
/**
* Service class for handling course-related business logic
*/
var CourseService = /** @class */ (function () {
function CourseService(courseRepository, sectionRepository, lectureRepository, quizRepository, quizQuestionRepository, categoryRepository, enrollmentRepository, dbAdapter) {
this.courseRepository = courseRepository;
this.sectionRepository = sectionRepository;
this.lectureRepository = lectureRepository;
this.quizRepository = quizRepository;
this.quizQuestionRepository = quizQuestionRepository;
this.categoryRepository = categoryRepository;
this.enrollmentRepository = enrollmentRepository;
this.dbAdapter = dbAdapter;
}
/**
* Create a new course
*/
CourseService.prototype.createCourse = function (courseData) {
return __awaiter(this, void 0, void 0, function () {
var visibility, _i, _a, categoryId, category, dataToCreate, course;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
// Validate the level
if (!["beginner", "intermediate", "advanced"].includes(courseData.level)) {
throw new Error("Invalid level. Must be beginner, intermediate, or advanced.");
}
visibility = courseData.visibility || "private";
if (!["private", "public"].includes(visibility)) {
throw new Error("Invalid visibility. Must be private or public.");
}
if (!(courseData.categories && courseData.categories.length > 0)) return [3 /*break*/, 4];
_i = 0, _a = courseData.categories;
_b.label = 1;
case 1:
if (!(_i < _a.length)) return [3 /*break*/, 4];
categoryId = _a[_i];
return [4 /*yield*/, this.categoryRepository.findById(categoryId)];
case 2:
category = _b.sent();
if (!category) {
throw new Error("Category with ID ".concat(categoryId, " not found"));
}
// Ensure the category belongs to the same teacher
if (category.teacherId !== courseData.teacherId) {
throw new Error("Category with ID ".concat(categoryId, " does not belong to this teacher"));
}
_b.label = 3;
case 3:
_i++;
return [3 /*break*/, 1];
case 4:
dataToCreate = {
teacherId: courseData.teacherId,
title: courseData.title,
description: courseData.description || "",
thumbnail: courseData.thumbnail || "",
level: courseData.level,
visibility: visibility, // Pass visibility
// Repository needs to handle converting array to JSON string
categories: JSON.stringify(courseData.categories || []), // Pass categories as JSON string
createdAt: new Date(),
updatedAt: new Date(),
};
return [4 /*yield*/, this.courseRepository.create(dataToCreate)];
case 5:
course = _b.sent();
return [2 /*return*/, course];
}
});
});
};
CourseService.prototype.parseCategories = function (categoriesData) {
if (Array.isArray(categoriesData)) {
return categoriesData; // Already an array
}
if (typeof categoriesData === "string") {
try {
var parsed = JSON.parse(categoriesData);
return Array.isArray(parsed) ? parsed : [];
}
catch (e) {
console.error("Failed to parse categories JSON:", e);
return []; // Return empty array on parse error
}
}
return []; // Default to empty array
};
/**
* Create content for a course
*/
CourseService.prototype.createContent = function (courseId, contentData) {
return __awaiter(this, void 0, void 0, function () {
var course, sections, sectionId, newSection, lectures, orderIndex, content, lectureContent, newLecture;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.courseRepository.findById(courseId)];
case 1:
course = _a.sent();
if (!course) {
throw new Error("Course with ID ".concat(courseId, " not found"));
}
// Validate content type
if (!["text", "video", "h5p"].includes(contentData.type)) {
throw new Error("Invalid content type. Must be text, video, or h5p.");
}
return [4 /*yield*/, this.sectionRepository.findByCourseId(courseId)];
case 2:
sections = _a.sent();
if (!(sections.length === 0)) return [3 /*break*/, 4];
return [4 /*yield*/, this.sectionRepository.create({
courseId: courseId,
title: "Section 1",
description: "First section",
orderIndex: 0,
createdAt: new Date(),
updatedAt: new Date(),
})];
case 3:
newSection = _a.sent();
sectionId = newSection.id;
return [3 /*break*/, 5];
case 4:
// Use the first section
sectionId = sections[0].id;
_a.label = 5;
case 5: return [4 /*yield*/, this.lectureRepository.findBySectionId(sectionId)];
case 6:
lectures = _a.sent();
orderIndex = lectures.length;
content = contentData.content;
lectureContent = "";
if (contentData.type === "text") {
lectureContent = content.text || "";
}
else if (contentData.type === "video") {
lectureContent = JSON.stringify({ url: content.url || "" });
}
else if (contentData.type === "h5p") {
lectureContent = JSON.stringify({ h5pId: content.h5p || "" });
}
return [4 /*yield*/, this.lectureRepository.create({
sectionId: sectionId,
title: contentData.title,
content: lectureContent,
type: contentData.type,
orderIndex: orderIndex,
createdAt: new Date(),
updatedAt: new Date(),
})];
case 7:
newLecture = _a.sent();
return [2 /*return*/, {
id: newLecture.id,
courseId: courseId,
title: newLecture.title,
description: contentData.description || "",
type: contentData.type,
content: contentData.content,
order: orderIndex,
createdAt: newLecture.createdAt,
updatedAt: newLecture.updatedAt,
}];
}
});
});
};
/**
* Get all courses for a teacher
*/
CourseService.prototype.getCoursesByTeacherId = function (teacherId) {
return __awaiter(this, void 0, void 0, function () {
var courses, categories, categoryMap, enhancedCourses, _i, courses_1, course, sections, lectureCount, _a, sections_1, section, lectures, parsedCategories, categoryNames;
return __generator(this, function (_b) {
switch (_b.label) {
case 0: return [4 /*yield*/, this.courseRepository.findByTeacherId(teacherId)];
case 1:
courses = _b.sent();
return [4 /*yield*/, this.categoryRepository.findByTeacherId(teacherId)];
case 2:
categories = _b.sent();
categoryMap = new Map(categories.map(function (cat) { return [cat.id, cat]; }));
enhancedCourses = [];
_i = 0, courses_1 = courses;
_b.label = 3;
case 3:
if (!(_i < courses_1.length)) return [3 /*break*/, 10];
course = courses_1[_i];
return [4 /*yield*/, this.sectionRepository.findByCourseId(course.id)];
case 4:
sections = _b.sent();
lectureCount = 0;
_a = 0, sections_1 = sections;
_b.label = 5;
case 5:
if (!(_a < sections_1.length)) return [3 /*break*/, 8];
section = sections_1[_a];
return [4 /*yield*/, this.lectureRepository.findBySectionId(section.id)];
case 6:
lectures = _b.sent();
lectureCount += lectures.length;
_b.label = 7;
case 7:
_a++;
return [3 /*break*/, 5];
case 8:
parsedCategories = this.parseCategories(course.categories);
categoryNames = parsedCategories
.map(function (catId) { var _a; return (_a = categoryMap.get(catId)) === null || _a === void 0 ? void 0 : _a.name; })
.filter(Boolean);
enhancedCourses.push({
id: course.id,
teacherId: course.teacherId,
title: course.title,
description: course.description,
thumbnail: course.thumbnail,
level: course.level,
visibility: course.visibility,
createdAt: course.createdAt || new Date(),
updatedAt: course.updatedAt || new Date(),
categories: parsedCategories,
sectionCount: sections.length,
lectureCount: lectureCount,
categoryNames: categoryNames,
});
_b.label = 9;
case 9:
_i++;
return [3 /*break*/, 3];
case 10: return [2 /*return*/, enhancedCourses];
}
});
});
};
/**
* Get a course by ID with all sections, lectures, and quizzes
*/
CourseService.prototype.getCourseDetail = function (courseId) {
return __awaiter(this, void 0, void 0, function () {
var course, parsedCategories, categoryNames, _i, parsedCategories_1, categoryId, category, sections, sectionsWithDetails, _a, sections_2, section, lectures, quiz, quizWithQuestions, questions, secCourseId, secCreatedAt, secUpdatedAt, sectionData;
return __generator(this, function (_b) {
switch (_b.label) {
case 0: return [4 /*yield*/, this.courseRepository.findById(courseId)];
case 1:
course = _b.sent();
if (!course) {
return [2 /*return*/, null];
}
parsedCategories = this.parseCategories(course.categories);
categoryNames = [];
_i = 0, parsedCategories_1 = parsedCategories;
_b.label = 2;
case 2:
if (!(_i < parsedCategories_1.length)) return [3 /*break*/, 5];
categoryId = parsedCategories_1[_i];
return [4 /*yield*/, this.categoryRepository.findById(categoryId)];
case 3:
category = _b.sent();
if (category)
categoryNames.push(category.name);
_b.label = 4;
case 4:
_i++;
return [3 /*break*/, 2];
case 5: return [4 /*yield*/, this.sectionRepository.findByCourseId(courseId)];
case 6:
sections = _b.sent();
sectionsWithDetails = [];
_a = 0, sections_2 = sections;
_b.label = 7;
case 7:
if (!(_a < sections_2.length)) return [3 /*break*/, 13];
section = sections_2[_a];
return [4 /*yield*/, this.lectureRepository.findBySectionId(section.id)];
case 8:
lectures = _b.sent();
return [4 /*yield*/, this.quizRepository.findBySectionId(section.id)];
case 9:
quiz = _b.sent();
quizWithQuestions = void 0;
if (!quiz) return [3 /*break*/, 11];
return [4 /*yield*/, this.quizQuestionRepository.findByQuizId(quiz.id)];
case 10:
questions = _b.sent();
quizWithQuestions = __assign(__assign({}, quiz), { questions: questions });
_b.label = 11;
case 11:
secCourseId = section.courseId, secCreatedAt = section.createdAt, secUpdatedAt = section.updatedAt, sectionData = __rest(section, ["courseId", "createdAt", "updatedAt"]);
sectionsWithDetails.push(__assign(__assign({}, sectionData), { lectures: lectures, quiz: quizWithQuestions }));
_b.label = 12;
case 12:
_a++;
return [3 /*break*/, 7];
case 13: return [2 /*return*/, {
id: course.id,
teacherId: course.teacherId,
title: course.title,
description: course.description,
thumbnail: course.thumbnail,
level: course.level,
visibility: course.visibility,
createdAt: course.createdAt || new Date(),
updatedAt: course.updatedAt || new Date(),
categories: parsedCategories,
sections: sectionsWithDetails,
categoryNames: categoryNames,
}];
}
});
});
};
/**
* Update a course
*/
CourseService.prototype.updateCourse = function (courseId, data) {
return __awaiter(this, void 0, void 0, function () {
var existingCourse, _i, _a, categoryId, category, courseUpdateData, existingSections, existingSectionIds, incomingSectionIds, _b, _c, sectionPayload, currentSectionId, newSection, sectionsToDelete, _d, sectionsToDelete_1, sectionToDelete;
return __generator(this, function (_e) {
switch (_e.label) {
case 0: return [4 /*yield*/, this.courseRepository.findById(courseId)];
case 1:
existingCourse = _e.sent();
if (!existingCourse)
return [2 /*return*/, null];
if (!(data.categories && data.categories.length > 0)) return [3 /*break*/, 5];
_i = 0, _a = data.categories;
_e.label = 2;
case 2:
if (!(_i < _a.length)) return [3 /*break*/, 5];
categoryId = _a[_i];
return [4 /*yield*/, this.categoryRepository.findById(categoryId)];
case 3:
category = _e.sent();
if (!category || category.teacherId !== existingCourse.teacherId) {
throw new Error("Category with ID ".concat(categoryId, " not found or does not belong to this teacher"));
}
_e.label = 4;
case 4:
_i++;
return [3 /*break*/, 2];
case 5:
courseUpdateData = {
title: data.title,
description: data.description,
thumbnail: data.thumbnail,
level: data.level,
visibility: data.visibility,
categories: JSON.stringify(data.categories || []),
updatedAt: new Date(),
};
return [4 /*yield*/, this.courseRepository.update(courseId, courseUpdateData)];
case 6:
_e.sent();
return [4 /*yield*/, this.sectionRepository.findByCourseId(courseId)];
case 7:
existingSections = _e.sent();
existingSectionIds = new Set(existingSections.map(function (sec) { return sec.id; }));
incomingSectionIds = new Set(data.sections.map(function (sec) { return sec.id; }).filter(Boolean));
_b = 0, _c = data.sections;
_e.label = 8;
case 8:
if (!(_b < _c.length)) return [3 /*break*/, 16];
sectionPayload = _c[_b];
sectionPayload.orderIndex; // Assuming orderIndex is provided correctly from frontend based on array order
currentSectionId = void 0;
if (!(sectionPayload.id && existingSectionIds.has(sectionPayload.id))) return [3 /*break*/, 10];
return [4 /*yield*/, this.sectionRepository.update(sectionPayload.id, {
title: sectionPayload.title,
description: sectionPayload.description,
orderIndex: sectionPayload.orderIndex,
updatedAt: new Date(),
})];
case 9:
_e.sent();
currentSectionId = sectionPayload.id;
return [3 /*break*/, 12];
case 10: return [4 /*yield*/, this.sectionRepository.create({
courseId: courseId,
title: sectionPayload.title,
description: sectionPayload.description || "",
orderIndex: sectionPayload.orderIndex,
createdAt: new Date(),
updatedAt: new Date(),
})];
case 11:
newSection = _e.sent();
currentSectionId = newSection.id;
_e.label = 12;
case 12: return [4 /*yield*/, this.updateLecturesForSection(currentSectionId, sectionPayload.lectures)];
case 13:
_e.sent();
return [4 /*yield*/, this.updateQuizForSection(currentSectionId, sectionPayload.quiz || null)];
case 14:
_e.sent();
_e.label = 15;
case 15:
_b++;
return [3 /*break*/, 8];
case 16:
sectionsToDelete = existingSections.filter(function (sec) { return !incomingSectionIds.has(sec.id); });
_d = 0, sectionsToDelete_1 = sectionsToDelete;
_e.label = 17;
case 17:
if (!(_d < sectionsToDelete_1.length)) return [3 /*break*/, 20];
sectionToDelete = sectionsToDelete_1[_d];
return [4 /*yield*/, this.sectionRepository.delete(sectionToDelete.id)];
case 18:
_e.sent();
_e.label = 19;
case 19:
_d++;
return [3 /*break*/, 17];
case 20: return [2 /*return*/, this.getCourseDetail(courseId)];
}
});
});
};
CourseService.prototype.updateLecturesForSection = function (sectionId, lectures) {
return __awaiter(this, void 0, void 0, function () {
var existingLectures, existingLectureIds, incomingLectureIds, _i, lectures_1, lecturePayload, lecturesToDelete, _a, lecturesToDelete_1, lectureToDelete;
return __generator(this, function (_b) {
switch (_b.label) {
case 0: return [4 /*yield*/, this.lectureRepository.findBySectionId(sectionId)];
case 1:
existingLectures = _b.sent();
existingLectureIds = new Set(existingLectures.map(function (lec) { return lec.id; }));
incomingLectureIds = new Set(lectures.map(function (lec) { return lec.id; }).filter(Boolean));
_i = 0, lectures_1 = lectures;
_b.label = 2;
case 2:
if (!(_i < lectures_1.length)) return [3 /*break*/, 7];
lecturePayload = lectures_1[_i];
lecturePayload.orderIndex; // Assuming orderIndex is provided correctly from frontend based on array order
if (!(lecturePayload.id && existingLectureIds.has(lecturePayload.id))) return [3 /*break*/, 4];
return [4 /*yield*/, this.lectureRepository.update(lecturePayload.id, {
title: lecturePayload.title,
content: lecturePayload.content,
type: lecturePayload.type,
orderIndex: lecturePayload.orderIndex,
updatedAt: new Date(),
})];
case 3:
_b.sent();
return [3 /*break*/, 6];
case 4: return [4 /*yield*/, this.lectureRepository.create({
sectionId: sectionId,
title: lecturePayload.title,
content: lecturePayload.content,
type: lecturePayload.type,
orderIndex: lecturePayload.orderIndex,
createdAt: new Date(),
updatedAt: new Date(),
})];
case 5:
_b.sent();
_b.label = 6;
case 6:
_i++;
return [3 /*break*/, 2];
case 7:
lecturesToDelete = existingLectures.filter(function (l) { return !incomingLectureIds.has(l.id); });
_a = 0, lecturesToDelete_1 = lecturesToDelete;
_b.label = 8;
case 8:
if (!(_a < lecturesToDelete_1.length)) return [3 /*break*/, 11];
lectureToDelete = lecturesToDelete_1[_a];
return [4 /*yield*/, this.lectureRepository.delete(lectureToDelete.id)];
case 9:
_b.sent();
_b.label = 10;
case 10:
_a++;
return [3 /*break*/, 8];
case 11: return [2 /*return*/];
}
});
});
};
CourseService.prototype.updateQuizForSection = function (sectionId, quizPayload) {
return __awaiter(this, void 0, void 0, function () {
var existingQuiz, currentQuizId, newQuiz;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.quizRepository.findBySectionId(sectionId)];
case 1:
existingQuiz = _a.sent();
if (!quizPayload) return [3 /*break*/, 7];
currentQuizId = void 0;
if (!(existingQuiz && quizPayload.id === existingQuiz.id)) return [3 /*break*/, 3];
// update
return [4 /*yield*/, this.quizRepository.update(existingQuiz.id, {
title: quizPayload.title,
description: quizPayload.description,
updatedAt: new Date(),
})];
case 2:
// update
_a.sent();
currentQuizId = existingQuiz.id;
return [3 /*break*/, 5];
case 3: return [4 /*yield*/, this.quizRepository.create({
sectionId: sectionId,
title: quizPayload.title,
description: quizPayload.description,
createdAt: new Date(),
updatedAt: new Date(),
})];
case 4:
newQuiz = _a.sent();
currentQuizId = newQuiz.id;
_a.label = 5;
case 5: return [4 /*yield*/, this.updateQuestionsForQuiz(currentQuizId, quizPayload.questions)];
case 6:
_a.sent();
return [3 /*break*/, 9];
case 7:
if (!existingQuiz) return [3 /*break*/, 9];
return [4 /*yield*/, this.quizRepository.delete(existingQuiz.id)];
case 8:
_a.sent();
_a.label = 9;
case 9: return [2 /*return*/];
}
});
});
};
CourseService.prototype.updateQuestionsForQuiz = function (quizId, questionPayloads) {
return __awaiter(this, void 0, void 0, function () {
var existingQuestions, existingQuestionIds, incomingQuestionIds, _i, questionPayloads_1, questionPayload, questionsToDelete, _a, questionsToDelete_1, questionToDelete;
return __generator(this, function (_b) {
switch (_b.label) {
case 0: return [4 /*yield*/, this.quizQuestionRepository.findByQuizId(quizId)];
case 1:
existingQuestions = _b.sent();
existingQuestionIds = new Set(existingQuestions.map(function (q) { return q.id; }));
incomingQuestionIds = new Set(questionPayloads.map(function (q) { return q.id; }).filter(Boolean));
_i = 0, questionPayloads_1 = questionPayloads;
_b.label = 2;
case 2:
if (!(_i < questionPayloads_1.length)) return [3 /*break*/, 7];
questionPayload = questionPayloads_1[_i];
if (!(questionPayload.id && existingQuestionIds.has(questionPayload.id))) return [3 /*break*/, 4];
// Update Existing Question
return [4 /*yield*/, this.quizQuestionRepository.update(questionPayload.id, {
question: questionPayload.question,
// Handle options storage (e.g., stringify JSON array)
options: questionPayload.options || [],
answer: questionPayload.correctAnswer,
explanation: questionPayload.explanation || "",
updatedAt: new Date(),
})];
case 3:
// Update Existing Question
_b.sent();
return [3 /*break*/, 6];
case 4:
// Create New Question
return [4 /*yield*/, this.quizQuestionRepository.create({
quizId: quizId,
question: questionPayload.question,
options: questionPayload.options || [],
answer: questionPayload.correctAnswer,
explanation: questionPayload.explanation || "",
createdAt: new Date(),
updatedAt: new Date(),
})];
case 5:
// Create New Question
_b.sent();
_b.label = 6;
case 6:
_i++;
return [3 /*break*/, 2];
case 7:
questionsToDelete = existingQuestions.filter(function (q) { return !incomingQuestionIds.has(q.id); });
_a = 0, questionsToDelete_1 = questionsToDelete;
_b.label = 8;
case 8:
if (!(_a < questionsToDelete_1.length)) return [3 /*break*/, 11];
questionToDelete = questionsToDelete_1[_a];
return [4 /*yield*/, this.quizQuestionRepository.delete(questionToDelete.id)];
case 9:
_b.sent();
_b.label = 10;
case 10:
_a++;
return [3 /*break*/, 8];
case 11: return [2 /*return*/];
}
});
});
};
/**
* Delete a course
*/
CourseService.prototype.deleteCourse = function (courseId) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, this.courseRepository.delete(courseId)];
});
});
};
/**
* Get public courses
*/
CourseService.prototype.getPublicCourses = function () {
return __awaiter(this, void 0, void 0, function () {
var courses, allCategories, categoryMap, enhancedCourses, _i, courses_2, course, sections, lectureCount, _a, sections_3, section, lectures, parsedCategories, categoryNames;
return __generator(this, function (_b) {
switch (_b.label) {
case 0: return [4 /*yield*/, this.courseRepository.findPublicCourses()];
case 1:
courses = _b.sent();
return [4 /*yield*/, this.categoryRepository.findAll()];
case 2:
allCategories = _b.sent();
categoryMap = new Map(allCategories.map(function (cat) { return [cat.id, cat]; }));
enhancedCourses = [];
_i = 0, courses_2 = courses;
_b.label = 3;
case 3:
if (!(_i < courses_2.length)) return [3 /*break*/, 10];
course = courses_2[_i];
return [4 /*yield*/, this.sectionRepository.findByCourseId(course.id)];
case 4:
sections = _b.sent();
lectureCount = 0;
_a = 0, sections_3 = sections;
_b.label = 5;
case 5:
if (!(_a < sections_3.length)) return [3 /*break*/, 8];
section = sections_3[_a];
return [4 /*yield*/, this.lectureRepository.findBySectionId(section.id)];
case 6:
lectures = _b.sent();
lectureCount += lectures.length;
_b.label = 7;
case 7:
_a++;
return [3 /*break*/, 5];
case 8:
parsedCategories = this.parseCategories(course.categories);
categoryNames = parsedCategories
.map(function (catId) { var _a; return (_a = categoryMap.get(catId)) === null || _a === void 0 ? void 0 : _a.name; })
.filter(Boolean);
enhancedCourses.push(__assign(__assign({}, course), { categories: parsedCategories, sectionCount: sections.length, lectureCount: lectureCount, categoryNames: categoryNames }));
_b.label = 9;
case 9:
_i++;
return [3 /*break*/, 3];
case 10: return [2 /*return*/, enhancedCourses];
}
});
});
};
/**
* Get courses by teacher ID
*/
CourseService.prototype.getCoursesByTeacher = function (teacherId) {
return __awaiter(this, void 0, void 0, function () {
var courses, allCategories, categoryMap, enhancedCourses, _i, courses_3, course, sections, lectureCount, _a, sections_4, section, lectures, parsedCategories, categoryNames;
return __generator(this, function (_b) {
switch (_b.label) {
case 0: return [4 /*yield*/, this.courseRepository.findByTeacherId(teacherId)];
case 1:
courses = _b.sent();
return [4 /*yield*/, this.categoryRepository.findAll()];
case 2:
allCategories = _b.sent();
categoryMap = new Map(allCategories.map(function (cat) { return [cat.id, cat]; }));
enhancedCourses = [];
_i = 0, courses_3 = courses;
_b.label = 3;
case 3:
if (!(_i < courses_3.length)) return [3 /*break*/, 10];
course = courses_3[_i];
return [4 /*yield*/, this.sectionRepository.findByCourseId(course.id)];
case 4:
sections = _b.sent();
lectureCount = 0;
_a = 0, sections_4 = sections;
_b.label = 5;
case 5:
if (!(_a < sections_4.length)) return [3 /*break*/, 8];
section = sections_4[_a];
return [4 /*yield*/, this.lectureRepository.findBySectionId(section.id)];
case 6:
lectures = _b.sent();
lectureCount += lectures.length;
_b.label = 7;
case 7:
_a++;
return [3 /*break*/, 5];
case 8:
parsedCategories = this.parseCategories(course.categories);
categoryNames = parsedCategories
.map(function (catId) { var _a; return (_a = categoryMap.get(catId)) === null || _a === void 0 ? void 0 : _a.name; })
.filter(Boolean);
enhancedCourses.push(__assign(__assign({}, course), { categories: parsedCategories, sectionCount: sections.length, lectureCount: lectureCount, categoryNames: categoryNames }));
_b.label = 9;
case 9:
_i++;
return [3 /*break*/, 3];
case 10: return [2 /*return*/, enhancedCourses];
}
});
});
};
/**
* Get courses by category
*/
CourseService.prototype.getCoursesByCategory = function (categoryId) {
return __awaiter(this, void 0, void 0, function () {
var courses, category, enhancedCourses, _i, courses_4, course, sections, lectureCount, _a, sections_5, section, lectures, parsedCategories;
return __generator(this, function (_b) {
switch (_b.label) {
case 0: return [4 /*yield*/, this.courseRepository.findByCategory(categoryId)];
case 1:
courses = _b.sent();
return [4 /*yield*/, this.categoryRepository.findById(categoryId)];
case 2:
category = _b.sent();
if (!category) {
throw new Error("Category with ID ".concat(categoryId, " not found"));
}
enhancedCourses = [];
_i = 0, courses_4 = courses;
_b.label = 3;
case 3:
if (!(_i < courses_4.length)) return [3 /*break*/, 10];
course = courses_4[_i];
return [4 /*yield*/, this.sectionRepository.findByCourseId(course.id)];
case 4:
sections = _b.sent();
lectureCount = 0;
_a = 0, sections_5 = sections;
_b.label = 5;
case 5:
if (!(_a < sections_5.length)) return [3 /*break*/, 8];
section = sections_5[_a];
return [4 /*yield*/, this.lectureRepository.findBySectionId(section.id)];
case 6:
lectures = _b.sent();
lectureCount += lectures.length;
_b.label = 7;
case 7:
_a++;
return [3 /*break*/, 5];
case 8:
parsedCategories = this.parseCategories(course.categories);
enhancedCourses.push(__assign(__assign({}, course), { categories: parsedCategories, sectionCount: sections.length, lectureCount: lectureCount, categoryNames: [category.name] }));
_b.label = 9;
case 9:
_i++;
return [3 /*break*/, 3];
case 10: return [2 /*return*/, enhancedCourses];
}
});
});
};
/**
* Fetch a course with all its sections and lectures
*/
CourseService.prototype.getCourseDetails = function (courseId) {
return __awaiter(this, void 0, void 0, function () {
var course, sections, lectures, _i, sections_6, section, sectionLectures, error_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 7, , 8]);
return [4 /*yield*/, this.courseRepository.findById(courseId)];
case 1:
course = _a.sent();
if (!course)
return [2 /*return*/, null];
return [4 /*yield*/, this.sectionRepository.findByCourseId(courseId)];
case 2:
sections = _a.sent();
lectures = [];
_i = 0, sections_6 = sections;
_a.label = 3;
case 3:
if (!(_i < sections_6.length)) return [3 /*break*/, 6];
section = sections_6[_i];
return [4 /*yield*/, this.lectureRepository.findBySectionId(section.id)];
case 4:
sectionLectures = _a.sent();
lectures = __spreadArray(__spreadArray([], lectures, true), sectionLectures, true);
_a.label = 5;
case 5:
_i++;
return [3 /*break*/, 3];
case 6: return [2 /*return*/, {
course: course,
sections: sections,
lectures: lectures,
totalLectures: lectures.length
}];
case 7:
error_1 = _a.sent();
console.error("Error fetching course details:", error_1);
throw error_1;
case 8: return [2 /*return*/];
}
});
});
};
/**
* Fetch all enrolled courses for a student with progress information
*/
CourseService.prototype.getEnrolledCoursesWithProgress = function (studentId) {
return __awaiter(this, void 0, void 0, function () {
var enrollments, error_2;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 2, , 3]);
return [4 /*yield*/, this.enrollmentRepository.findAllByStudentId(studentId)];
case 1:
enrollments = _a.sent();
return [2 /*return*/, enrollments];
case 2:
error_2 = _a.sent();
console.error("Error fetching enrolled courses:", error_2);
throw error_2;
case 3: return [2 /*return*/];
}
});
});
};
/**
* Mark a lecture as completed and update course progress
*/
CourseService.prototype.markLectureCompleted = function (studentId, courseId, lectureId) {
return __awaiter(this, void 0, void 0, function () {
var enrollment, completedLectures, totalLectures, progressPercentage, isCompleted, updatedEnrollment, error_3;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 6, , 7]);
return [4 /*yield*/, this.enrollmentRepository.findByStudentAndCourse(studentId, courseId)];
case 1:
enrollment = _a.sent();
if (!enrollment) {
throw new Error("Student is not enrolled in this course");
}
// Mark the lecture as completed
return [4 /*yield*/, this.enrollmentRepository.markLectureCompleted(studentId, courseId, lectureId)];
case 2:
// Mark the lecture as completed
_a.sent();
return [4 /*yield*/, this.enrollmentRepository.getCompletedLectures(studentId, courseId)];
case 3:
completedLectures = _a.sent();
return [4 /*yield*/, this.getTotalLectureCount(courseId)];
case 4:
totalLectures = (_a.sent()).totalLectures;
progressPercentage = totalLectures > 0
? Math.round((completedLectures.length / totalLectures) * 100)
: 0;
isCompleted = progressPercentage >= 100;
return [4 /*yield*/, this.enrollmentRepository.updateProgress(studentId, courseId, progressPercentage)];
case 5:
updatedEnrollment = _a.sent();
return [2 /*return*/, {
success: true,
progress: progressPercentage,
isCompleted: isCompleted
}];
case 6:
error_3 = _a.sent();
console.error("Error marking lecture as completed:", error_3);
t