65 lines
2.5 KiB
TypeScript
65 lines
2.5 KiB
TypeScript
import { Request, Response } from 'express';
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import { themes } from '../data/themes.js';
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import { FALLBACK_LANG } from '../config.js';
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import learningPathService from '../services/learning-paths/learning-path-service.js';
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import { Language } from '../entities/content/language.js';
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import {
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PersonalizationTarget,
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personalizedForGroup,
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personalizedForStudent,
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} from '../services/learning-paths/learning-path-personalization-util.js';
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import { BadRequestException } from '../exceptions/bad-request-exception.js';
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import { NotFoundException } from '../exceptions/not-found-exception.js';
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/**
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* Fetch learning paths based on query parameters.
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*/
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export async function getLearningPaths(req: Request, res: Response): Promise<void> {
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const hruids = req.query.hruid;
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const themeKey = req.query.theme as string;
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const searchQuery = req.query.search as string;
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const language = (req.query.language as string) || FALLBACK_LANG;
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const forStudent = req.query.forStudent as string;
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const forGroupNo = req.query.forGroup as string;
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const assignmentNo = req.query.assignmentNo as string;
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const classId = req.query.classId as string;
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let personalizationTarget: PersonalizationTarget | undefined;
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if (forStudent) {
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personalizationTarget = await personalizedForStudent(forStudent);
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} else if (forGroupNo) {
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if (!assignmentNo || !classId) {
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throw new BadRequestException('If forGroupNo is specified, assignmentNo and classId must also be specified.');
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}
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personalizationTarget = await personalizedForGroup(classId, parseInt(assignmentNo), parseInt(forGroupNo));
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}
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let hruidList;
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if (hruids) {
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hruidList = Array.isArray(hruids) ? hruids.map(String) : [String(hruids)];
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} else if (themeKey) {
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const theme = themes.find((t) => t.title === themeKey);
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if (theme) {
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hruidList = theme.hruids;
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} else {
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throw new NotFoundException(`Theme "${themeKey}" not found.`);
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}
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} else if (searchQuery) {
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const searchResults = await learningPathService.searchLearningPaths(searchQuery, language as Language, personalizationTarget);
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res.json(searchResults);
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return;
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} else {
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hruidList = themes.flatMap((theme) => theme.hruids);
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}
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const learningPaths = await learningPathService.fetchLearningPaths(
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hruidList,
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language as Language,
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`HRUIDs: ${hruidList.join(', ')}`,
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personalizationTarget
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);
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res.json(learningPaths.data);
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}
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