-
Notifications
You must be signed in to change notification settings - Fork 0
/
populatedb.js
307 lines (276 loc) · 8.02 KB
/
populatedb.js
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
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
#! /usr/bin/env node
console.log('This script populates mock data to your database.');
console.warn('It is important that you specify database as argument - e.g.: populatedb mongodb://your_username:your_password@your_dabase_url');
const database_uri = process.argv.slice(2)[0];
if (!database_uri || !database_uri.startsWith('mongodb://')) {
console.error('ERROR: You need to specify a valid mongodb URL as the first argument');
return;
}
const mongoose = require('mongoose');
const crypto = require('crypto');
const mockData = require('./faker-utils');
const mongooseUtil = require('./api/utils/mongoose');
mongooseUtil.connect_mongoose(database_uri);
const db = mongoose.connection;
db.on('connected', () => {
console.log(`Mongoose connected to ${database_uri} for population`);
});
mongoose.connection.on('error', console.error.bind(console, 'MongoDB connection error:'));
require('./api/models');
const Book = mongoose.model('Book');
const User = mongoose.model('User');
const Review = mongoose.model('Review');
const Genre = mongoose.model('Genre');
const Author = mongoose.model('Author');
const Comment = mongoose.model('Comment');
const Users = [];
const Books = [];
const Reviews = [];
const Genres = [];
const Authors = [];
const Comments = [];
function generaterandomInt(n) {
return Math.floor(Math.random() * Math.floor(n));
}
function createAuthor() {
return new Promise((resolve, reject) => {
const randomInt = generaterandomInt(Users.length);
const randomUser = Users[randomInt];
const generatedAuthor = mockData.author.valid_author();
const author = new Author({
...generatedAuthor,
created_by: randomUser._id,
});
author.save((err, doc) => {
if (err) {
reject(err);
}
resolve(doc);
});
});
}
async function createAuthors(n) {
const arrayCounter = [...Array(n).keys()];
await Promise.allSettled(arrayCounter.map(() => createAuthor()))
.then((response) => {
response.map((resp) => {
if (resp.status === 'fulfilled') {
Authors.push(resp.value);
}
});
});
}
function createBook() {
return new Promise((resolve, reject) => {
const randomAuthor = Authors[generaterandomInt(Authors.length)];
const randomUser = Users[generaterandomInt(Users.length)];
const randomGenre = Genres[generaterandomInt(Genres.length)];
const generatedBook = mockData.book.valid_book();
const book = new Book({
...generatedBook,
author: randomAuthor._id,
created_by: randomUser._id,
genre: randomGenre._id,
});
book.save((err, doc) => {
if (err) {
reject(err);
}
// author_books
Author.findById(doc.author, (author_err, res_author) => {
if (author_err) {
reject(author_err);
}
res_author.books.push(doc._id);
res_author.save((save_err) => {
if (save_err) {
reject(save_err);
}
resolve(doc);
});
});
});
});
}
async function createBooks(n) {
const arrayCounter = [...Array(n).keys()];
await Promise.allSettled(arrayCounter.map(() => createBook()))
.then((response) => {
response.map((resp) => {
if (resp.status === 'fulfilled') {
Books.push(resp.value);
}
});
});
}
function createComment() {
return new Promise((resolve, reject) => {
const randomUser = Users[generaterandomInt(Users.length)];
const randomReview = Reviews[generaterandomInt(Reviews.length)];
const generatedComment = mockData.comment.valid_comment();
const comment = new Comment({
...generatedComment,
comment_author: randomUser,
review: randomReview._id,
});
comment.save((comment_err, comment_doc) => {
if (comment_err) {
reject(comment_err);
}
// review comments
Review.findById(comment_doc.review, (review_err, review_doc) => {
if (review_err) {
reject(review_err);
}
review_doc.comments.push(comment_doc._id);
review_doc.save((review_save_err) => {
if (review_save_err) {
reject(review_save_err);
}
resolve(comment_doc);
});
});
});
});
}
async function createComments(n) {
const arrayCounter = [...Array(n).keys()];
await Promise.allSettled(arrayCounter.map(() => createComment()))
.then((response) => {
response.map((resp) => {
if (resp.status === 'fulfilled') {
Comments.push(resp.value);
}
});
});
}
function createGenre() {
return new Promise((resolve, reject) => {
const randomInt = generaterandomInt(Users.length);
const randomUser = Users[randomInt];
const generatedGenre = mockData.genre.valid_genre();
const genre = new Genre({
...generatedGenre,
genre_author: randomUser._id,
});
genre.save((err, doc) => {
if (err) {
reject(err);
}
resolve(doc);
});
});
}
async function createGenres(n) {
const arrayCounter = [...Array(n).keys()];
await Promise.allSettled(arrayCounter.map(() => createGenre()))
.then((response) => {
response.map((resp) => {
if (resp.status === 'fulfilled') {
Genres.push(resp.value);
}
});
});
}
function createReview() {
return new Promise((resolve, reject) => {
const randomBook = Books[generaterandomInt(Books.length)];
const randomUser = Users[generaterandomInt(Users.length)];
const generatedReview = mockData.review.valid_review();
const review = new Review({
...generatedReview,
book: randomBook,
review_author: randomUser,
});
review.save((review_err, review_doc) => {
if (review_err) {
reject(review_err);
}
// book reviews
Book.findById(review_doc.book, (book_err, book_doc) => {
if (book_err) {
reject(book_err);
}
book_doc.reviews.push(review_doc._id);
book_doc.save((book_save_err) => {
if (book_save_err) {
reject(book_save_err);
}
// User reviews
User.findById(review_doc.review_author, (user_err, user_doc) => {
if (user_err) {
reject(user_err);
}
user_doc.reviews.push(review_doc._id);
user_doc.save((user_save_err) => {
if (user_save_err) {
reject(user_save_err);
}
resolve(review_doc);
});
});
});
});
});
});
}
async function createReviews(n) {
const arrayCounter = [...Array(n).keys()];
await Promise.allSettled(arrayCounter.map(() => createReview()))
.then((response) => {
response.map((resp) => {
if (resp.status === 'fulfilled') {
Reviews.push(resp.value);
}
});
});
}
function createUser() {
return new Promise((resolve, reject) => {
const users = [
'valid_signup_user',
'admin_user',
'moderator_user',
'valid_signup_user',
'valid_signup_user',
];
const randomInt = generaterandomInt(users.length);
const funcName = mockData.user[users[randomInt]];
const generatedUser = funcName();
const salt = crypto.randomBytes(16).toString('hex');
const user = new User({
...generatedUser,
salt,
hash: crypto.pbkdf2Sync(generatedUser.password, salt, 10000, 512, 'sha512').toString('hex'),
});
user.save((err, doc) => {
if (err) {
reject(err);
}
resolve(doc);
});
});
}
async function createUsers(n) {
const arrayCounter = [...Array(n).keys()];
await Promise.allSettled(arrayCounter.map(() => createUser()))
.then((response) => {
response.map((resp) => {
if (resp.status === 'fulfilled') {
Users.push(resp.value);
}
});
});
}
async function populate() {
await createUsers(10);
await createAuthors(6);
await createGenres(4);
await createBooks(50);
await createReviews(200);
await createComments(1000);
// cleanup annd exit script
await mongoose.connection.close();
process.exit();
}
populate();