LocChat/server/providers/services/chat_room.service.ts

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import { Injectable } from '@nestjs/common';
import { InjectRepository } from '@nestjs/typeorm';
import { Repository } from 'typeorm';
import { ChatRoom } from 'server/entities/chat_room.entity';
@Injectable()
export class ChatRoomService {
constructor(
@InjectRepository(ChatRoom)
private chatRoomRepository: Repository<ChatRoom>,
) {}
create(chatRoom: ChatRoom) {
return this.chatRoomRepository.save(chatRoom);
}
all() {
return this.chatRoomRepository.find();
}
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nearOrUserOwns({ lat, lng, userId }: { lat: number; lng: number; userId: number }) {
// SQL injection maybe?
return this.chatRoomRepository.query(
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`SELECT * FROM chat_room WHERE calculate_distance(latitude, longitude, ${lat}, ${lng}, 'M') < 5 OR "userId" = ${userId}`,
);
}
findById(id: number, relations: string[] = []) {
return this.chatRoomRepository.findOne(id, { relations });
}
save(chatRoom: ChatRoom) {
return this.chatRoomRepository.save(chatRoom);
}
remove(chatRoom: ChatRoom) {
return this.chatRoomRepository.remove(chatRoom);
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}
}