sebilasse/InReplyToPolicy.md

## InReplyToPolicy.md

      
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              InReplyToPolicy.md
            
          
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see https://github.com/w3c/activitypub/issues/319

“	With that said: Sure, why not have something like:
a vocabulary item that is a property on Objects (same domain as as:inReplyTo) that is like "replyPreferences": "http://your-vocabulary.com/replyPreferences/NONE". There could even be specific pre-baked policy URLs somewhere for "don't reply to me" or "don't reply with curse words" or "don't reply with images" or "don't reply with r-rated images"
language that says clients
SHOULD inform potential repliers about these preferences
MAY prevent replying if the replyPreferences indicate preferring no replies.
language that says that servers
SHOULD try to enforce the replyPreferences when receiving replies in the inbox

”
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“The Q&A scenario becomes a bit more complex because there is a natural workflow aspect. ”
inReplyToPolicy

PixelFed "commentsEnabled": false,
"capabilities": {
"announce": "https://www.w3.org/ns/activitystreams#Public",
"like": "https://www.w3.org/ns/activitystreams#Public",
"reply": null
},
DISCUSSION ITEM
I author a post, who can reply?
inReplyToPolicy (functional, range: ReplyProfile | ReplyCollection)
Class ReplyProfile is a subPropertyOf Profile
inReplyToPolicy MUST be of `ReplyProfile` which
- may have `startTime` and `endTime`
- MUST have `describes` which may be (ordered by precision)
-- an addressed Actor
-- as:actor      only I can reply (the Activity author).
-- as:to         matches only “Primary Audience”, Actors specified in `to`.
-- as:audience 		default behaviour, same as no value at all:
									the Actors that represent the total population of entities
									for which the object can considered to be relevant.
-- :followUnion 	matches people who are following me which I am following.
-- as:following  matches people I am following.
-- as:followers  matches people who are following me.

Anybody who replies must then be an Actor addressed in the audience.
If multiple values allow an Actor to reply, then startTime and endTime are
determined by the order of precision which means e.g.:
as:to is more precise than as:audience.
Examples
// = "Only people in the `to` field can answer":
{
  "type": "Article",
  "name": "»Vögeln, fördern, feuern«",
  "url": "https://www.spiegel.de/wirtschaft/unternehmen/bild-chefredakteur-julian-reichelt-und-die-internen-ermittlungen-voegeln-foerdern-feuern-a-456152ee-eff8-4d8f-9b47-1284b4c36c09?d=1642429358",
  "inReplyToPolicy": {
    "type": "Collection",
    "items": [{
      "type": "ReplyProfile",
      "describes": "http://www.w3.org/ns/activitystreams#to"
    }]
  }
}
// Complex example:
{
  "type": "Event",
  "inReplyToPolicy": {
    "type": "Collection",
    "items": [{
      "type": "ReplyProfile",
      "summary": "appellant Max can answer",
      "describes": { "type": "Person", "name": "Max Schrems" }
    }, {
      "type": "ReplyProfile",
      "summary": "accused Meta can answer until 4th of July",
      "describes": { "type": "Organization", "name": "Meta Platforms, Inc." },
      "endTime": "2022-07-04T06:00:00-08:00"
    }]
  }
}