2022-04-13 18:12:25 +00:00
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use crate::Perform;
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use actix_web::web::Data;
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use lemmy_api_common::{
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2022-05-26 15:17:04 +00:00
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community::{CommunityResponse, FollowCommunity},
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2022-11-09 10:05:00 +00:00
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utils::{check_community_ban, check_community_deleted_or_removed, get_local_user_view_from_jwt},
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2022-04-13 18:12:25 +00:00
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};
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use lemmy_apub::{
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objects::community::ApubCommunity,
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protocol::activities::following::{
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follow::Follow as FollowCommunityApub,
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undo_follow::UndoFollow,
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},
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};
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use lemmy_db_schema::{
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source::community::{Community, CommunityFollower, CommunityFollowerForm},
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traits::{Crud, Followable},
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};
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use lemmy_db_views_actor::structs::CommunityView;
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2022-06-02 14:33:41 +00:00
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use lemmy_utils::{error::LemmyError, ConnectionId};
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use lemmy_websocket::LemmyContext;
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#[async_trait::async_trait(?Send)]
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impl Perform for FollowCommunity {
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type Response = CommunityResponse;
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2022-04-13 18:12:25 +00:00
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#[tracing::instrument(skip(context, _websocket_id))]
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async fn perform(
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&self,
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context: &Data<LemmyContext>,
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_websocket_id: Option<ConnectionId>,
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) -> Result<CommunityResponse, LemmyError> {
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let data: &FollowCommunity = self;
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let local_user_view =
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get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
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let community_id = data.community_id;
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let community: ApubCommunity = Community::read(context.pool(), community_id).await?.into();
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let community_follower_form = CommunityFollowerForm {
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community_id: data.community_id,
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person_id: local_user_view.person.id,
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pending: false,
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};
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if community.local {
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if data.follow {
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check_community_ban(local_user_view.person.id, community_id, context.pool()).await?;
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check_community_deleted_or_removed(community_id, context.pool()).await?;
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CommunityFollower::follow(context.pool(), &community_follower_form)
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.await
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.map_err(|e| LemmyError::from_error_message(e, "community_follower_already_exists"))?;
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} else {
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CommunityFollower::unfollow(context.pool(), &community_follower_form)
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.await
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.map_err(|e| LemmyError::from_error_message(e, "community_follower_already_exists"))?;
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}
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} else if data.follow {
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// Dont actually add to the community followers here, because you need
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// to wait for the accept
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FollowCommunityApub::send(&local_user_view.person.clone().into(), &community, context)
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.await?;
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} else {
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UndoFollow::send(&local_user_view.person.clone().into(), &community, context).await?;
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CommunityFollower::unfollow(context.pool(), &community_follower_form)
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.await
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.map_err(|e| LemmyError::from_error_message(e, "community_follower_already_exists"))?;
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}
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let community_id = data.community_id;
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let person_id = local_user_view.person.id;
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let community_view = CommunityView::read(context.pool(), community_id, Some(person_id)).await?;
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2022-06-22 12:05:41 +00:00
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Ok(Self::Response { community_view })
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}
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}
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