Context7 MCP Clone

import { Injectable, NotFoundException } from '@nestjs/common'; import { InjectRepository } from '@nestjs/typeorm'; import { Repository, ILike } from 'typeorm'; import { Library } from '../../database/entities/library.entity'; import { LibraryVersion } from '../../database/entities/library-version.entity'; import { SearchLibraryDto } from './dto/search-library.dto'; @Injectable() export class LibrariesService { constructor( @InjectRepository(Library) private readonly libraryRepository: Repository<Library>, @InjectRepository(LibraryVersion) private readonly libraryVersionRepository: Repository<LibraryVersion>, ) {} async search(searchDto: SearchLibraryDto) { const { query, ecosystem, page = 1, limit = 20 } = searchDto; const where: any = { is_active: true }; if (query) { where.name = ILike(`%${query}%`); } if (ecosystem) { where.ecosystem = ecosystem; } const [libraries, total] = await this.libraryRepository.findAndCount({ where, order: { benchmark_score: 'DESC', stars: 'DESC', }, skip: (page - 1) * limit, take: limit, relations: ['versions'], }); return { data: libraries, pagination: { page, limit, total, pages: Math.ceil(total / limit), }, }; } async findById(id: string) { const library = await this.libraryRepository.findOne({ where: { id }, relations: ['versions', 'versions.documentation_pages'], }); if (!library) { throw new NotFoundException(`Library with id ${id} not found`); } return library; } async findByFullName(fullName: string) { const library = await this.libraryRepository.findOne({ where: { full_name: fullName }, relations: ['versions'], }); if (!library) { throw new NotFoundException(`Library ${fullName} not found`); } return library; } async findVersions(libraryId: string) { return this.libraryVersionRepository.find({ where: { library_id: libraryId }, order: { version: 'DESC' }, }); } async findLatestVersion(libraryId: string) { return this.libraryVersionRepository.findOne({ where: { library_id: libraryId, is_latest: true, }, }); } async getEcosystems() { const result = await this.libraryRepository .createQueryBuilder('library') .select('DISTINCT library.ecosystem', 'ecosystem') .where('library.is_active = :active', { active: true }) .getRawMany(); return result.map((r) => r.ecosystem); } }