remove json column, use separate array columns instead

crates/apub/src/activities/mod.rs

@@ -205,7 +205,17 @@ where
     ap_id: activity.id().clone().into(),
     data: serde_json::to_value(activity.clone())?,
     sensitive,
-    send_targets,
+    send_inboxes: send_targets
+      .inboxes
+      .into_iter()
+      .map(|e| Some(e.into()))
+      .collect(),
+    send_all_instances: send_targets.all_instances,
+    send_community_followers_of: send_targets
+      .community_followers_of
+      .into_iter()
+      .map(|e| Some(e.0))
+      .collect(),
     actor_type: actor.actor_type(),
     actor_apub_id: actor.id().into(),
   };

crates/db_schema/src/impls/activity.rs

@@ -70,10 +70,7 @@ mod tests {
   #![allow(clippy::indexing_slicing)]
 
   use super::*;
-  use crate::{
+  use crate::{source::activity::ActorType, utils::build_db_pool_for_tests};
-    source::activity::{ActivitySendTargets, ActorType},
-    utils::build_db_pool_for_tests,
-  };
   use serde_json::json;
   use serial_test::serial;
   use url::Url;
@@ -117,7 +114,9 @@ mod tests {
         .unwrap()
         .into(),
       actor_type: ActorType::Person,
-      send_targets: ActivitySendTargets::empty(),
+      send_all_instances: false,
+      send_community_followers_of: vec![],
+      send_inboxes: vec![],
     };
 
     SentActivity::create(pool, form).await.unwrap();

crates/db_schema/src/newtypes.rs

@@ -162,7 +162,7 @@ pub struct CustomEmojiId(i32);
 pub struct LtreeDef(pub String);
 
 #[repr(transparent)]
-#[derive(Clone, PartialEq, Eq, Serialize, Deserialize, Debug)]
+#[derive(Clone, PartialEq, Eq, Serialize, Deserialize, Debug, Hash)]
 #[cfg_attr(feature = "full", derive(AsExpression, FromSqlRow))]
 #[cfg_attr(feature = "full", diesel(sql_type = diesel::sql_types::Text))]
 pub struct DbUrl(pub(crate) Box<Url>);

crates/db_schema/src/schema.rs

@@ -409,9 +409,9 @@ diesel::table! {
         totp_2fa_secret -> Nullable<Text>,
         totp_2fa_url -> Nullable<Text>,
         open_links_in_new_tab -> Bool,
+        infinite_scroll_enabled -> Bool,
         blur_nsfw -> Bool,
         auto_expand -> Bool,
-        infinite_scroll_enabled -> Bool,
     }
 }
 
@@ -805,7 +805,9 @@ diesel::table! {
         data -> Json,
         sensitive -> Bool,
         published -> Timestamp,
-        send_targets -> Jsonb,
+        send_inboxes -> Array<Nullable<Text>>,
+        send_community_followers_of -> Array<Nullable<Int4>>,
+        send_all_instances -> Bool,
         actor_type -> ActorTypeEnum,
         actor_apub_id -> Nullable<Text>,
     }

crates/db_schema/src/source/activity.rs

@@ -3,13 +3,15 @@ use crate::{
   schema::sent_activity,
 };
 use diesel::{
+  backend::Backend,
   deserialize::FromSql,
   pg::{Pg, PgValue},
   serialize::{Output, ToSql},
-  sql_types::Jsonb,
+  sql_types::{Array, Jsonb, Nullable},
+  Queryable,
 };
 use serde_json::Value;
-use std::{collections::HashSet, fmt::Debug, io::Write};
+use std::{collections::HashSet, fmt::Debug, hash::Hash, io::Write};
 use url::Url;
 
 #[derive(
@@ -72,17 +74,50 @@ pub struct SentActivity {
   pub data: Value,
   pub sensitive: bool,
   pub published: chrono::NaiveDateTime,
-  pub send_targets: ActivitySendTargets,
+  #[diesel(deserialize_as = ArrayToHashSet<DbUrl>)]
+  pub send_inboxes: HashSet<DbUrl>,
+  #[diesel(deserialize_as = ArrayToHashSet<CommunityId>)]
+  pub send_community_followers_of: HashSet<CommunityId>,
+  pub send_all_instances: bool,
   pub actor_type: ActorType,
   pub actor_apub_id: Option<DbUrl>,
 }
+
+// wrapper to remove optional from array values and convert to hashset
+pub struct ArrayToHashSet<T>(HashSet<T>);
+
+impl<DB, T1, T2> Queryable<Array<Nullable<T2>>, DB> for ArrayToHashSet<T1>
+where
+  DB: Backend,
+  T1: FromSql<T2, DB> + Hash + Eq,
+  Vec<std::option::Option<T1>>: FromSql<Array<Nullable<T2>>, DB>,
+{
+  type Row = Vec<Option<T1>>;
+
+  fn build(row: Self::Row) -> diesel::deserialize::Result<Self> {
+    let res: diesel::deserialize::Result<HashSet<T1>> = row
+      .into_iter()
+      .map(|e| e.ok_or("array with null element".into()))
+      .collect();
+    res.map(ArrayToHashSet)
+  }
+}
+
+impl<T> From<ArrayToHashSet<T>> for HashSet<T> {
+  fn from(val: ArrayToHashSet<T>) -> Self {
+    val.0
+  }
+}
+
 #[derive(Insertable)]
 #[diesel(table_name = sent_activity)]
 pub struct SentActivityForm {
   pub ap_id: DbUrl,
   pub data: Value,
   pub sensitive: bool,
-  pub send_targets: ActivitySendTargets,
+  pub send_inboxes: Vec<Option<DbUrl>>,
+  pub send_community_followers_of: Vec<Option<i32>>,
+  pub send_all_instances: bool,
   pub actor_type: ActorType,
   pub actor_apub_id: DbUrl,
 }

crates/federate/src/worker.rs

@@ -32,7 +32,7 @@ use std::{
 use tokio::{sync::mpsc::UnboundedSender, time::sleep};
 use tokio_util::sync::CancellationToken;
 /// save state to db every n sends if there's no failures (otherwise state is saved after every attempt)
-static SAVE_STATE_EVERY_IT: i64 = 100;
+static CHECK_SAVE_STATE_EVERY_IT: i64 = 100;
 static SAVE_STATE_EVERY_TIME: Duration = Duration::from_secs(10);
 
 /// loop fetch new activities from db and send them to the inboxes of the given instances
@@ -74,7 +74,7 @@ pub async fn instance_worker(
     }
     let mut processed_activities = 0;
     'batch: while id < latest_id
-      && processed_activities < SAVE_STATE_EVERY_IT
+      && processed_activities < CHECK_SAVE_STATE_EVERY_IT
       && !stop.is_cancelled()
     {
       id += 1;
@@ -167,23 +167,23 @@ fn get_inbox_urls(
   activity: &SentActivity,
 ) -> HashSet<Arc<Url>> {
   let mut inbox_urls = HashSet::new();
-  let targets = &activity.send_targets;
+
-  if targets.all_instances {
+  if activity.send_all_instances {
     if let Some(site) = &site {
       // todo: when does an instance not have a site?
       inbox_urls.insert(intern_url(Cow::Borrowed(site.inbox_url.deref())));
     }
   }
-  for t in &targets.community_followers_of {
+  for t in &activity.send_community_followers_of {
     if let Some(urls) = followed_communities.get(t) {
       inbox_urls.extend(urls.iter().map(std::clone::Clone::clone));
     }
   }
-  for inbox in &targets.inboxes {
+  for inbox in &activity.send_inboxes {
     if inbox.domain() != Some(&instance.domain) {
       continue;
     }
-    inbox_urls.insert(intern_url(Cow::Borrowed(inbox)));
+    inbox_urls.insert(intern_url(Cow::Borrowed(inbox.inner())));
   }
   inbox_urls
 }

migrations/2023-08-01-115243_persistent-activity-queue/down.sql

@@ -1,5 +1,7 @@
 ALTER TABLE sent_activity
-    DROP COLUMN send_targets,
+    DROP COLUMN send_inboxes,
+    DROP COLUMN send_community_followers_of,
+    DROP COLUMN send_all_instances,
     DROP COLUMN actor_apub_id,
     DROP COLUMN actor_type;
 

migrations/2023-08-01-115243_persistent-activity-queue/up.sql

@@ -4,15 +4,20 @@ CREATE TYPE actor_type_enum AS enum(
     'person'
 );
 
--- actor_apub_id only null for old entries
+-- actor_apub_id only null for old entries before this migration
 ALTER TABLE sent_activity
-    ADD COLUMN send_targets jsonb NOT NULL DEFAULT '{"inboxes": [], "community_followers_of": [], "all_instances": false}',
+    ADD COLUMN send_inboxes text[] NOT NULL DEFAULT '{}', -- list of specific inbox urls
+    ADD COLUMN send_community_followers_of integer[] NOT NULL DEFAULT '{}',
+    ADD COLUMN send_all_instances boolean NOT NULL DEFAULT FALSE,
     ADD COLUMN actor_type actor_type_enum NOT NULL DEFAULT 'person',
     ADD COLUMN actor_apub_id text DEFAULT NULL;
 
 ALTER TABLE sent_activity
-    ALTER COLUMN send_targets DROP DEFAULT,
+    ALTER COLUMN send_inboxes DROP DEFAULT,
-    ALTER COLUMN actor_type DROP DEFAULT;
+    ALTER COLUMN send_community_followers_of DROP DEFAULT,
+    ALTER COLUMN send_all_instances DROP DEFAULT,
+    ALTER COLUMN actor_type DROP DEFAULT,
+    ALTER COLUMN actor_apub_id DROP DEFAULT;
 
 CREATE TABLE federation_queue_state(
     domain text PRIMARY KEY,