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
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
const si = require('systeminformation');
class StatsGenerator {
// symbols would be better because they're unique, but harder to serialize them
static Type = Object.freeze({
// should contain key value: number
TIME: 'time',
// should contain key value: number
BYTE: 'byte',
// should contain key value: { used: number, total: number }
BYTE_USAGE: 'byteUsage',
// should contain key data: Array<{ key: string, value: number | string }>
// and optionally a count/total
DETAILED: 'detailed',
// hidden type should be skipped during iteration, can contain anything
// these should be treated on a case by case basis on the frontend
HIDDEN: 'hidden'
});
static statGenerators = {
system: StatsGenerator.getSystemInfo,
fileSystems: StatsGenerator.getFileSystemsInfo,
uploads: StatsGenerator.getUploadsInfo,
users: StatsGenerator.getUsersInfo,
albums: StatsGenerator.getAlbumStats
};
static keyOrder = Object.keys(StatsGenerator.statGenerators);
static async getSystemInfo() {
const os = await si.osInfo();
const currentLoad = await si.currentLoad();
const mem = await si.mem();
const time = si.time();
const nodeUptime = process.uptime();
return {
'Platform': `${os.platform} ${os.arch}`,
'Distro': `${os.distro} ${os.release}`,
'Kernel': os.kernel,
'CPU Load': `${currentLoad.currentload.toFixed(1)}%`,
'CPUs Load': currentLoad.cpus.map(cpu => `${cpu.load.toFixed(1)}%`).join(', '),
'System Memory': {
value: {
used: mem.active,
total: mem.total
},
type: StatsGenerator.Type.BYTE_USAGE
},
'Memory Usage': {
value: process.memoryUsage().rss,
type: StatsGenerator.Type.BYTE
},
'System Uptime': {
value: time.uptime,
type: StatsGenerator.Type.TIME
},
'Node.js': `${process.versions.node}`,
'Service Uptime': {
value: Math.floor(nodeUptime),
type: StatsGenerator.Type.TIME
}
};
}
static async getFileSystemsInfo() {
const stats = {};
const fsSize = await si.fsSize();
for (const fs of fsSize) {
stats[`${fs.fs} (${fs.type}) on ${fs.mount}`] = {
value: {
total: fs.size,
used: fs.used
},
type: StatsGenerator.Type.BYTE_USAGE
};
}
return stats;
}
static async getUploadsInfo(db) {
const stats = {
'Total': 0,
'Images': 0,
'Videos': 0,
'Others': {
data: {},
count: 0,
type: StatsGenerator.Type.DETAILED
},
'Size in DB': {
value: 0,
type: StatsGenerator.Type.BYTE
}
};
const getFilesCountAndSize = async () => {
const uploads = await db.table('files').select('size');
return {
'Total': uploads.length,
'Size in DB': {
value: uploads.reduce((acc, upload) => acc + parseInt(upload.size, 10), 0),
type: StatsGenerator.Type.BYTE
}
};
};
const getImagesCount = async () => {
const Images = await db.table('files')
.where('type', 'like', `image/%`)
.count('id as count')
.then(rows => rows[0].count);
return { Images };
};
const getVideosCount = async () => {
const Videos = await db.table('files')
.where('type', 'like', `video/%`)
.count('id as count')
.then(rows => rows[0].count);
return { Videos };
};
const getOthersCount = async () => {
// rename to key, value from type, count
const data = await db.table('files')
.select('type as key')
.count('id as value')
.whereNot('type', 'like', `image/%`)
.whereNot('type', 'like', `video/%`)
.groupBy('key')
.orderBy('value', 'desc');
const count = data.reduce((acc, val) => acc + val.value, 0);
return {
Others: {
data,
count,
type: StatsGenerator.Type.DETAILED
}
};
};
const result = await Promise.all([getFilesCountAndSize(), getImagesCount(), getVideosCount(), getOthersCount()]);
return { ...stats, ...Object.assign({}, ...result) };
}
static async getUsersInfo(db) {
const stats = {
Total: 0,
Admins: 0,
Disabled: 0
};
const users = await db.table('users');
stats.Total = users.length;
for (const user of users) {
if (!user.enabled) {
stats.Disabled++;
}
if (user.isAdmin) {
stats.Admins++;
}
}
return stats;
}
static async getAlbumStats(db) {
const stats = {
'Total': 0,
'NSFW': 0,
'Generated archives': 0,
'Generated identifiers': 0,
'Files in albums': 0
};
const albums = await db.table('albums');
stats.Total = albums.length;
for (const album of albums) {
if (album.nsfw) stats.NSFW++;
if (album.zipGeneratedAt) stats['Generated archives']++; // XXX: Bobby checks each after if a zip really exists on the disk. Is it really needed?
}
stats['Generated identifiers'] = await db.table('albumsLinks').count('id as count').then(rows => rows[0].count);
stats['Files in albums'] = await db.table('albumsFiles')
.whereNotNull('albumId')
.count('id as count')
.then(rows => rows[0].count);
return stats;
}
static async getStats(db) {
const res = {};
for (const [name, funct] of Object.entries(StatsGenerator.statGenerators)) {
res[name] = await funct(db);
}
return res;
}
static async getMissingStats(db, existingStats) {
const res = {};
for (const [name, funct] of Object.entries(StatsGenerator.statGenerators)) {
if (existingStats.indexOf(name) === -1) res[name] = await funct(db);
}
return res;
}
}
module.exports = StatsGenerator;
|