53 lines
2.5 KiB
TypeScript
53 lines
2.5 KiB
TypeScript
import { DwengoEntityRepository } from '../dwengo-entity-repository.js';
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import { LearningPath } from '../../entities/content/learning-path.entity.js';
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import { Language } from '@dwengo-1/common/util/language';
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import { LearningPathNode } from '../../entities/content/learning-path-node.entity.js';
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import { RequiredEntityData } from '@mikro-orm/core';
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import { LearningPathTransition } from '../../entities/content/learning-path-transition.entity.js';
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import { EntityAlreadyExistsException } from '../../exceptions/entity-already-exists-exception.js';
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export class LearningPathRepository extends DwengoEntityRepository<LearningPath> {
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public async findByHruidAndLanguage(hruid: string, language: Language): Promise<LearningPath | null> {
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return this.findOne({ hruid: hruid, language: language }, { populate: ['nodes', 'nodes.transitions'] });
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}
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/**
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* Returns all learning paths which have the given language and whose title OR description contains the
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* query string.
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*
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* @param query The query string we want to seach for in the title or description.
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* @param language The language of the learning paths we want to find.
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*/
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public async findByQueryStringAndLanguage(query: string, language: Language): Promise<LearningPath[]> {
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return this.findAll({
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where: {
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language: language,
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$or: [{ title: { $like: `%${query}%` } }, { description: { $like: `%${query}%` } }],
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},
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populate: ['nodes', 'nodes.transitions'],
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});
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}
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public createNode(nodeData: RequiredEntityData<LearningPathNode>): LearningPathNode {
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return this.em.create(LearningPathNode, nodeData);
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}
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public createTransition(transitionData: RequiredEntityData<LearningPathTransition>): LearningPathTransition {
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return this.em.create(LearningPathTransition, transitionData);
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}
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public async saveLearningPathNodesAndTransitions(
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path: LearningPath,
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nodes: LearningPathNode[],
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transitions: LearningPathTransition[],
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options?: { preventOverwrite?: boolean }
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): Promise<void> {
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if (options?.preventOverwrite && (await this.findOne(path))) {
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throw new EntityAlreadyExistsException('A learning path with this hruid/language combination already exists.');
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}
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const em = this.getEntityManager();
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await em.persistAndFlush(path);
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await Promise.all(nodes.map(async (it) => em.persistAndFlush(it)));
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await Promise.all(transitions.map(async (it) => em.persistAndFlush(it)));
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}
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}
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