54 lines
1.9 KiB
Rust
54 lines
1.9 KiB
Rust
use tokio_postgres::GenericClient;
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use crate::activitypub::{
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activity::Activity,
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identifiers::parse_local_actor_id,
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receiver::find_object_id,
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vocabulary::PERSON,
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};
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use crate::config::Config;
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use crate::database::DatabaseError;
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use crate::errors::ValidationError;
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use crate::models::notifications::queries::{
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create_subscription_expiration_notification,
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};
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use crate::models::profiles::queries::get_profile_by_remote_actor_id;
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use crate::models::relationships::queries::unsubscribe;
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use crate::models::users::queries::get_user_by_name;
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use super::{HandlerError, HandlerResult};
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pub async fn handle_remove(
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config: &Config,
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db_client: &mut impl GenericClient,
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activity: Activity,
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) -> HandlerResult {
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let actor_profile = get_profile_by_remote_actor_id(
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db_client,
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&activity.actor,
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).await?;
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let actor = actor_profile.actor_json.ok_or(HandlerError::LocalObject)?;
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let target_value = activity.target.ok_or(ValidationError("target is missing"))?;
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let target_id = find_object_id(&target_value)?;
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if Some(target_id) == actor.subscribers {
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// Removing from subscribers
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let object_id = find_object_id(&activity.object)?;
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let username = parse_local_actor_id(&config.instance_url(), &object_id)?;
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let user = get_user_by_name(db_client, &username).await?;
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// actor is recipient, user is sender
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match unsubscribe(db_client, &user.id, &actor_profile.id).await {
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Ok(_) => {
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create_subscription_expiration_notification(
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db_client,
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&actor_profile.id,
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&user.id,
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).await?;
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return Ok(Some(PERSON));
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},
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// Ignore removal if relationship does not exist
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Err(DatabaseError::NotFound(_)) => return Ok(None),
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Err(other_error) => return Err(other_error.into()),
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};
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};
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Ok(None)
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}
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