70 lines
2 KiB
Rust
70 lines
2 KiB
Rust
use serde::Deserialize;
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use serde_json::Value;
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use tokio_postgres::GenericClient;
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use crate::activitypub::{
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fetcher::helpers::get_or_import_profile_by_actor_id,
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identifiers::parse_local_object_id,
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receiver::deserialize_into_object_id,
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vocabulary::NOTE,
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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::reactions::queries::create_reaction;
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use crate::models::posts::queries::get_post_by_remote_object_id;
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use super::HandlerResult;
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#[derive(Deserialize)]
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struct Like {
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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_like(
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config: &Config,
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db_client: &mut impl GenericClient,
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activity: Value,
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) -> HandlerResult {
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let activity: Like = serde_json::from_value(activity)
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.map_err(|_| ValidationError("unexpected activity structure"))?;
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let author = get_or_import_profile_by_actor_id(
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db_client,
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&config.instance(),
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&config.media_dir(),
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&activity.actor,
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).await?;
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let post_id = match parse_local_object_id(
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&config.instance_url(),
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&activity.object,
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) {
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Ok(post_id) => post_id,
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Err(_) => {
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let post = match get_post_by_remote_object_id(
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db_client,
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&activity.object,
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).await {
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Ok(post) => post,
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// Ignore like if post is not found locally
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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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post.id
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},
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};
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match create_reaction(
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db_client,
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&author.id,
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&post_id,
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Some(&activity.id),
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).await {
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Ok(_) => (),
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// Ignore activity if reaction is already saved
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Err(DatabaseError::AlreadyExists(_)) => return Ok(None),
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Err(other_error) => return Err(other_error.into()),
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};
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Ok(Some(NOTE))
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}
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