랜덤 비디오 응답 시 중복 제거 #131
Merged
랜덤 비디오 응답 시 중복 제거 #131
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
msjang4
commented
Nov 29, 2023
| 'actions.seed': 1, | ||
| }, | ||
| }, | ||
| { $replaceRoot: { newRoot: '$actions' } }, |
There was a problem hiding this comment.
[{
_id:
actions : [
videoId: ,
seed: ,
]
}]
형태를
[{
videoId: ,
seed: ,
}]
로 바꾸기 위한 연산이에요
msjang4
commented
Nov 29, 2023
Comment on lines
+76
to
+79
| const otherSeedIdList = _.sampleSize( | ||
| _.reject(actions, { seed }).map((userAction) => userAction.videoId), | ||
| lackVideoCount, | ||
| ); |
There was a problem hiding this comment.
sampleSize(list, size)는 list에서 size개를 랜덤으로 샘플링한 리스트를 반환해요
msjang4
commented
Nov 29, 2023
| _id: { $in: otherSeedIdList }, | ||
| }, | ||
| {}, | ||
| { lean: true }, |
There was a problem hiding this comment.
lean을 true로 해주면 find의 결과가 Document인스턴스의 리스트가 아니라 javascript object의 리스트가 됩니다. 즉, toObject()를 쿼리단에서 수행하는거죠
5tarry
approved these changes
Nov 29, 2023
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
resolved: #130
작업 내용
전달 사항