Database Design

This page includes the database design changes in GSoC 23 Find the complete design here.

Collections

cl_user

• This collection contains user details.
• This collection doesnt store a list of followers or people this user is following but just stores the number of followers and following.
• For the list of people following, we can refer to user_followers collection.

org_users

• This collection resembles to a realation that stores users of an organization with various levels of permissions
• permissions field: array of permissions that a user has
• permissions:
  • 0: reviewer
  • 1: editor
  • 2: admin
  • 3: owner

###org_subscribers:

• This collection resembles to a relation that stores subscribers of an organization.
• Fields:

• org_handle: handle of the organization
• uid: unique id of the user document

user_folloers

• This collection resembles to a relation that stores users followers and following.
• Fields (If user1 is following user2, then):

• followingId: document id of user that is begin followed (user2)
• followerId: document id of user that is following (user1)

cl_org_general

• This collection has details of an organization
• This just has contributors count, feed count and so on but not the list of contributors or feed.
• To get a list of contributors and feed, we can refer org_users collection and tutorials collection respectively.
• Fields:

• followerCount: number of subscribers for an organization
• contributorsCount: number of users with special permission level (look at org_users collection)
• feedCount: number of tutorials under this organization.

tutorials

• This collection stores all the information about a tutorial
• This collection has a sub-collection to store steps
• Each document under steps has some yjs collections that enables collaborative editing and sanitised HTML (content of that step)
• It has upVotes, downVotes, commentsCount but not the list of users that voted or commented.

tutorial_likes

• This collection stores likes of tutorials.
• Fields:

• uid: document id of user that liked a tutorial
• tut_id: document id of the tutorial that was liked
• value: 1 = like, -1 = dislike, 0 = no like

comment_likes

• This collection stores likes of comments.
• Fields:

• uid: document id of user that liked a comment
• comment_id: document id of the comment that was liked
• value: 1 = like, -1 = dislike, 0 = no like

cl_comments

• This collection contains comments of tutorials
• Fields:

• replyTo:

1. If this is comment for tutorial, it stores tut_id
2. If this is a reply to other comment, it stores document id of that comment

• upVotes and downVotes are dount of respective votes.