1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
import { Body, Controller, Delete, Get, Param, Post, Put, Query } from '@nestjs/common';
import { JwtBody } from 'server/decorators/jwt_body.decorator';
import { JwtBodyDto } from 'server/dto/jwt_body.dto';
import { ChatRoomService } from 'server/providers/services/chat_room.service';
import { UsersService } from 'server/providers/services/users.service';
const haversine = (p1, p2) => {
const degreesToRadians = (degrees) => degrees * (Math.PI / 180);
const delta = { lat: degreesToRadians(p2.lat - p1.lat), lng: degreesToRadians(p2.lng - p1.lng) };
const a =
Math.sin(delta.lat / 2) * Math.sin(delta.lat / 2) +
Math.cos(degreesToRadians(p1.lat)) *
Math.cos(degreesToRadians(p2.lat)) *
Math.sin(delta.lng / 2) *
Math.sin(delta.lng / 2);
const c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
const r = 6371 * 1000;
return r * c;
};
@Controller()
export class ChatRoomController {
constructor(private chatRoomService: ChatRoomService, private usersService: UsersService) {}
@Get('/chat_rooms')
async get(@JwtBody() jwtBody: JwtBodyDto, @Query() query: any) {
const user = await this.usersService.find(jwtBody.userId);
const rooms = await this.chatRoomService.nearOrUserOwns({ ...query, userId: jwtBody.userId });
return rooms.map((cr) => {
const editable = cr.userId === user.id;
const joinable = editable || haversine({ lat: cr.latitude, lng: cr.longitude }, query) <= cr.radius;
return joinable
? { ...cr, editable, joinable }
: {
name: cr.name,
latitude: cr.latitude,
longitude: cr.longitude,
radius: cr.radius,
editable,
joinable,
};
});
}
@Get('/chat_rooms/:id')
async getId(@Param('id') id: string) {
return await this.chatRoomService.findById(id);
}
@Get('/chat_rooms/:id/joinable')
async joinable(@JwtBody() jwtBody: JwtBodyDto, @Param('id') id: string, @Query() query: any) {
return !!(await this.chatRoomService.nearOrUserOwns({ ...query, userId: jwtBody.userId })).find(
(cr) =>
cr.id == id &&
(haversine({ lat: cr.latitude, lng: cr.longitude }, query) <= cr.radius || cr.userId === jwtBody.userId),
);
}
@Post('/chat_rooms')
async create(@JwtBody() jwtBody: JwtBodyDto, @Body() chatRoom: any) {
chatRoom.user = await this.usersService.find(jwtBody.userId);
return await this.chatRoomService.create(chatRoom);
}
private async userCanEdit(jwtBody: JwtBodyDto, chatRoom: any) {
const user = await this.usersService.find(jwtBody.userId);
if (user.id !== chatRoom.user.id) {
return {
error: 'You are not the owner of this chat room',
};
}
return true;
}
@Put('/chat_rooms/:id')
async update(@JwtBody() jwtBody: JwtBodyDto, @Param('id') id: string, @Body() chatRoom: any) {
console.log(id);
const chat_room = await this.chatRoomService.findById(id, ['user']);
if (!(await this.userCanEdit(jwtBody, chat_room))) {
return chat_room;
}
chat_room.latitude = chatRoom.latitude;
chat_room.longitude = chatRoom.longitude;
chat_room.radius = chatRoom.radius;
return await this.chatRoomService.save(chat_room);
}
@Delete('/chat_rooms/:id')
async delete(@JwtBody() jwtBody: JwtBodyDto, @Param('id') id: string) {
const chat_room = await this.chatRoomService.findById(id, ['user']);
if (!(await this.userCanEdit(jwtBody, chat_room))) {
return false;
}
return await this.chatRoomService.remove(chat_room);
}
}
|
