76 lines
2.2 KiB
Rust
76 lines
2.2 KiB
Rust
use serde::Deserialize;
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use serde_json::Value;
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use fedimovies_config::Config;
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use fedimovies_models::{
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database::{DatabaseClient, DatabaseError},
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relationships::queries::{create_remote_follow_request_opt, follow_request_accepted},
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users::queries::get_user_by_name,
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};
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use super::{HandlerError, HandlerResult};
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use crate::activitypub::{
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builders::accept_follow::prepare_accept_follow,
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fetcher::helpers::get_or_import_profile_by_actor_id, identifiers::parse_local_actor_id,
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receiver::deserialize_into_object_id, vocabulary::PERSON,
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};
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use crate::errors::ValidationError;
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use crate::media::MediaStorage;
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#[derive(Deserialize)]
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struct Follow {
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id: String,
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actor: String,
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#[serde(deserialize_with = "deserialize_into_object_id")]
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object: String,
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}
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pub async fn handle_follow(
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config: &Config,
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db_client: &mut impl DatabaseClient,
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activity: Value,
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) -> HandlerResult {
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// Follow(Person)
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let activity: Follow = serde_json::from_value(activity.clone()).map_err(|_| {
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ValidationError(format!(
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"unexpected Follow activity structure: {}",
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activity
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))
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})?;
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let source_profile = get_or_import_profile_by_actor_id(
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db_client,
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&config.instance(),
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&MediaStorage::from(config),
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&activity.actor,
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)
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.await?;
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let source_actor = source_profile.actor_json.ok_or(HandlerError::LocalObject)?;
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let target_username = parse_local_actor_id(&config.instance_url(), &activity.object)?;
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let target_user = get_user_by_name(db_client, &target_username).await?;
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let follow_request = create_remote_follow_request_opt(
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db_client,
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&source_profile.id,
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&target_user.id,
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&activity.id,
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)
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.await?;
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match follow_request_accepted(db_client, &follow_request.id).await {
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Ok(_) => (),
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// Proceed even if relationship already exists
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Err(DatabaseError::AlreadyExists(_)) => (),
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Err(other_error) => return Err(other_error.into()),
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};
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// Send Accept(Follow)
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prepare_accept_follow(
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&config.instance(),
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&target_user,
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&source_actor,
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&activity.id,
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)
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.enqueue(db_client)
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.await?;
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Ok(Some(PERSON))
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}
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