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Unable to edit the post privilages error

Hello @julian @PitaJ

My local Nodebb Version : v1.16.2

I am trying to edit my own post and I want to update the content , title and tags

Here is my payload

curl --location --request PUT 'http://localhost:4567/api/v2/posts/17' \
--header 'Authorization: Bearer 0257ecdd-ffd7-4a79-a2c4-2244aa490c2d' \
--header 'Content-Type: application/json' \
--header 'Cookie: express.sid=s%3AbIhfigykYJ3MKanc6ShQ2gGxoZ6xccjE.s02leB%2BLFWGPnXG1IBQQdaTb8gD%2BDobwa05UEYja1Ws' \
--data-raw '{
    "pid": 17, 
    "content": "Edit my own post alsong with tags",
    "title": "Edit post",
    "tags": ["edit", "update", "tagCheck"]
}'

And I got response back

{
    "code": "ok",
    "payload": {}
}

But the tags are not updated, check the screenshot

These are my findings
STEP: 1 - Nodebb-WriteAPI
in write api plugin for the api /api/v2/posts/:pid
verify From line number 19 to 33
https://github.com/NodeBB/nodebb-plugin-write-api/blob/master/routes/v2/posts.js#L19

Here the tags are added into options object - #Line: 29

in write api the final object looks like this

 {
  uid: 18,
  pid: '17',
  content: 'Edit my own post alsong with tags',
  options: { tags: [ 'edit', 'update', 'tagCheck' ] },
  title: 'Edit post'
}

STEP:2 - NodeBB (POSTS section)
As par the above git link #lineNo: 31 we are calling parent funtion posts.edit so that will come to NodeBB src/posts/edit.js file.
Verify Here:
https://github.com/NodeBB/NodeBB/blob/master/src/posts/edit.js#L126

You are access the tags from data object data.tags but Actually tags present in data.options.tags

Referencs Data object in Nodebb

 {
  uid: 18,
  pid: '17',
  content: 'Edit my own post alsong with tags',
  options: { tags: [ 'edit', 'update', 'tagCheck' ] },
  title: 'Edit post'
}

And finally The updated data object looks like

{
  tid: 17,
  cid: 2,
  uid: 18,
  title: 'Edit post',
  oldTitle: 'Edit post',
  slug: '17/edit-post',
  isMainPost: true,
  renamed: false,
  tags: []
}

Because off the tags access from wrong place, causing issue for updating the tags while editing the post

my local practice

1. in my local I changed the tags accessing in Nodebb(/src/posts/edit.js#LineNo: 126) from data.tags = data.tags || []; to data.tags = data.options.tags || [];

After that the tags are updating for that post

CC: @vinu