Create and update Posts

This section covers how to create and update posts on the Subsocial blockchain.

Create A Post

api.substrateApi.tx.posts.createPost(spaceIdOpt, extension, content)

Params	Description
spaceId	The space where a post will be published.
extension	A kind of post. It can be a regular post, a shared post or a comment.
content	IpfsContent is a function that returns a substrate like implementation for enum { IPFS: "CID of your content"}.

🆃 PostExtensionEnum: RegularPost | Comment | SharedPost

Examples:

A Regular Post

import { IpfsContent } from "@subsocial/api/substrate/wrappers"

...
const cid = await api.ipfs.saveContent({
  title: "What is Subsocial?",
  image: "QmcWWpR176oFao49jrLHUoH3R9MCziE5d77fdD8qdoiinx",
  tags: [ 'Hello world', 'FAQ' ],
  body: 'Subsocial is an open protocol for decentralized social networks and marketplaces. It`s built with Substrate and IPFS.'
})

const tx = substrateApi.tx.posts.createPost('1', { RegularPost: null}, IpfsContent(cid))

...

A Shared Post

import { IpfsContent } from "@subsocial/api/substrate/wrappers"

...
const cid = await ipfs.saveContent({
  body: 'Keep up the good work!'
})

const tx = substrateApi.tx.posts.createPost('1', { SharedPost: '1'}, IpfsContent(cid))
...
}

Update A Post

substrateApi.tx.posts.updatePost(postId: AnyPostId, update: PostUpdateType)

Params	Description
postId	The ID of the current space.
update	The fields available to be updated.

Update properties

Properties	Description
spaceId?	If a new spaceId is provided, it will move this post to the new space.
content?	IpfsContent is a function that returns a substrate like implementation for enum { IPFS: "CID of your content"}.
hidden?	boolean, if post is hidden from other users.

Example:

import {
  IpfsContent, 
  OptionBool,
} from "@subsocial/api/substrate/wrappers"

...
const cid = await api.ipfs.saveContent({
  title: "What is Subsocial?",
  image: "QmcWWpR176oFao49jrLHUoH3R9MCziE5d77fdD8qdoiinx",
  tags: ['Hello world', 'FAQ', 'Subsoical'], //updated field
  body: 'Subsocial is an open protocol for decentralized social networks and marketplaces. It`s built with Substrate and IPFS.'
})

const update = {
  content: IpfsContent(cid),
  hidden: new OptionBool(true),
}

const tx = substrateApi.tx.posts.updatePost('1', update)
...