mirror of
https://github.com/LemmyNet/lemmy.git
synced 2024-12-26 21:01:34 +00:00
86 lines
2.7 KiB
Rust
86 lines
2.7 KiB
Rust
use crate::{
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activities::{
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verify_activity,
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verify_add_remove_moderator_target,
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verify_mod_action,
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verify_person_in_community,
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},
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fetcher::{community::get_or_fetch_and_upsert_community, person::get_or_fetch_and_upsert_person},
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CommunityType,
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};
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use activitystreams::{activity::kind::AddType, base::AnyBase};
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use lemmy_api_common::blocking;
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use lemmy_apub_lib::{ActivityCommonFields, ActivityHandler, PublicUrl};
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use lemmy_db_queries::{source::community::CommunityModerator_, Joinable};
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use lemmy_db_schema::source::community::{CommunityModerator, CommunityModeratorForm};
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use lemmy_utils::LemmyError;
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use lemmy_websocket::LemmyContext;
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use url::Url;
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#[derive(Clone, Debug, serde::Deserialize, serde::Serialize)]
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#[serde(rename_all = "camelCase")]
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pub struct AddMod {
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to: PublicUrl,
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object: Url,
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target: Url,
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cc: [Url; 1],
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#[serde(rename = "type")]
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kind: AddType,
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#[serde(flatten)]
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common: ActivityCommonFields,
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}
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#[async_trait::async_trait(?Send)]
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impl ActivityHandler for AddMod {
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async fn verify(
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&self,
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context: &LemmyContext,
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request_counter: &mut i32,
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) -> Result<(), LemmyError> {
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verify_activity(self.common())?;
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verify_person_in_community(&self.common.actor, &self.cc[0], context, request_counter).await?;
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verify_mod_action(&self.common.actor, self.cc[0].clone(), context).await?;
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verify_add_remove_moderator_target(&self.target, self.cc[0].clone())?;
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Ok(())
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}
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async fn receive(
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&self,
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context: &LemmyContext,
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request_counter: &mut i32,
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) -> Result<(), LemmyError> {
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let community =
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get_or_fetch_and_upsert_community(&self.cc[0], context, request_counter).await?;
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let new_mod = get_or_fetch_and_upsert_person(&self.object, context, request_counter).await?;
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// If we had to refetch the community while parsing the activity, then the new mod has already
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// been added. Skip it here as it would result in a duplicate key error.
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let new_mod_id = new_mod.id;
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let moderated_communities = blocking(context.pool(), move |conn| {
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CommunityModerator::get_person_moderated_communities(conn, new_mod_id)
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})
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.await??;
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if !moderated_communities.contains(&community.id) {
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let form = CommunityModeratorForm {
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community_id: community.id,
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person_id: new_mod.id,
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};
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blocking(context.pool(), move |conn| {
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CommunityModerator::join(conn, &form)
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})
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.await??;
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}
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if community.local {
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let anybase = AnyBase::from_arbitrary_json(serde_json::to_string(self)?)?;
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community
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.send_announce(anybase, Some(self.object.clone()), context)
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.await?;
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}
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// TODO: send websocket notification about added mod
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Ok(())
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}
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fn common(&self) -> &ActivityCommonFields {
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&self.common
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}
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}
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