fix: don't create mock activities

basically remade addressing table so that activity too can be null

src/migrations/m20240421_000001_make_addressed_activity_nullable.rs

@@ -0,0 +1,48 @@
+use sea_orm_migration::prelude::*;
+
+#[derive(DeriveMigrationName)]
+pub struct Migration;
+
+#[async_trait::async_trait]
+impl MigrationTrait for Migration {
+	async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+		manager
+			.alter_table(
+				Table::alter()
+					.table(Addressing::Table)
+					.modify_column(
+						ColumnDef::new(Addressing::Activity)
+							.string()
+							.null()
+					)
+					.to_owned()
+			)
+			.await?;
+
+		Ok(())
+	}
+
+	async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+		manager
+			.alter_table(
+				Table::alter()
+					.table(Addressing::Table)
+					.modify_column(
+						ColumnDef::new(Addressing::Activity)
+							.string()
+							.not_null()
+							.default("")
+					)
+					.to_owned()
+			)
+			.await?;
+
+		Ok(())
+	}
+}
+
+#[derive(DeriveIden)]
+enum Addressing {
+	Table,
+	Activity,
+}

src/migrations/mod.rs

@@ -10,6 +10,7 @@ mod m20240324_000001_add_addressing;
 mod m20240325_000001_add_deliveries;
 mod m20240325_000002_add_system_key;
 mod m20240418_000001_add_statuses_and_reply_to;
+mod m20240421_000001_make_addressed_activity_nullable;
 
 pub struct Migrator;
 
@@ -27,6 +28,7 @@ impl MigratorTrait for Migrator {
 			Box::new(m20240325_000001_add_deliveries::Migration),
 			Box::new(m20240325_000002_add_system_key::Migration),
 			Box::new(m20240418_000001_add_statuses_and_reply_to::Migration),
+			Box::new(m20240421_000001_make_addressed_activity_nullable::Migration),
 		]
 	}
 }

src/model/addressing.rs

@@ -8,7 +8,7 @@ pub struct Model {
 	pub id: i64,
 	pub actor: String,
 	pub server: String,
-	pub activity: String,
+	pub activity: Option<String>,
 	pub object: Option<String>,
 	pub published: ChronoDateTimeUtc,
 }
@@ -57,6 +57,10 @@ impl Related<super::object::Entity> for Entity {
 
 impl ActiveModelBehavior for ActiveModel {}
 
+
+
+
+
 #[derive(Debug)]
 pub struct EmbeddedActivity {
 	pub activity: crate::model::activity::Model,
@@ -81,6 +85,35 @@ impl FromQueryResult for EmbeddedActivity {
 	}
 }
 
+#[derive(Debug)]
+pub struct WrappedObject {
+	pub activity: Option<crate::model::activity::Model>,
+	pub object: crate::model::object::Model,
+}
+
+impl From<WrappedObject> for serde_json::Value {
+	fn from(value: WrappedObject) -> Self {
+		match value.activity {
+			None => value.object.ap(),
+			Some(a) => a.ap().set_object(
+				Node::object(value.object.ap())
+			),
+		}
+	}
+}
+
+impl FromQueryResult for WrappedObject {
+	fn from_query_result(res: &sea_orm::QueryResult, _pre: &str) -> Result<Self, sea_orm::DbErr> {
+		let activity = crate::model::activity::Model::from_query_result(res, crate::model::activity::Entity.table_name()).ok();
+		let object = crate::model::object::Model::from_query_result(res, crate::model::object::Entity.table_name())?;
+		Ok(Self { activity, object })
+	}
+}
+
+
+
+
+
 impl Entity {
 	pub fn find_activities() -> Select<Entity> {
 		let mut select = Entity::find()
@@ -106,12 +139,17 @@ impl Entity {
 		let mut select = Entity::find()
 			.distinct()
 			.select_only()
-			.join(sea_orm::JoinType::InnerJoin, Relation::Object.def());
+			.join(sea_orm::JoinType::InnerJoin, Relation::Object.def())
 			// INNERJOIN: filter out addressings for which we don't have an object anymore
 			// TODO we could in theory return just the link or fetch them again, just ignoring them is mehh
+			.join(sea_orm::JoinType::LeftJoin, crate::model::object::Relation::Activity.def().rev());
 
 		for col in crate::model::object::Column::iter() {
-			select = select.select_column(col);
+			select = select.select_column_as(col, format!("{}{}", crate::model::object::Entity.table_name(), col.to_string()));
+		}
+
+		for col in crate::model::activity::Column::iter() {
+			select = select.select_column_as(col, format!("{}{}", crate::model::activity::Entity.table_name(), col.to_string()));
 		}
 
 		select

src/model/faker.rs

@@ -57,7 +57,7 @@ pub async fn faker(db: &sea_orm::DatabaseConnection, domain: String, count: u64)
 		addressing::Entity::insert(addressing::ActiveModel {
 			actor: Set(apb::target::PUBLIC.to_string()),
 			server: Set("www.w3.org".to_string()),
-			activity: Set(format!("{domain}/activities/{aid}")),
+			activity: Set(Some(format!("{domain}/activities/{aid}"))),
 			object: Set(Some(format!("{domain}/objects/{oid}"))),
 			published: Set(chrono::Utc::now()),
 			..Default::default()

src/server/context.rs

@@ -156,18 +156,19 @@ impl Context {
 		Ok(out)
 	}
 
-	pub async fn address_to(&self, aid: &str, oid: Option<&str>, targets: &[String]) -> crate::Result<()> {
+	pub async fn address_to(&self, aid: Option<&str>, oid: Option<&str>, targets: &[String]) -> crate::Result<()> {
-		let local_activity = self.is_local(aid);
+		let local_activity = aid.map(|x| self.is_local(x)).unwrap_or(false);
+		let local_object = oid.map(|x| self.is_local(x)).unwrap_or(false);
 		let addressings : Vec<model::addressing::ActiveModel> = targets
 			.iter()
 			.filter(|to| !to.is_empty())
 			.filter(|to| !to.ends_with("/followers"))
-			.filter(|to| local_activity || to.as_str() == apb::target::PUBLIC || self.is_local(to))
+			.filter(|to| local_activity || local_object || to.as_str() == apb::target::PUBLIC || self.is_local(to))
 			.map(|to| model::addressing::ActiveModel {
 				id: sea_orm::ActiveValue::NotSet,
 				server: Set(Context::server(to)),
 				actor: Set(to.to_string()),
-				activity: Set(aid.to_string()),
+				activity: Set(aid.map(|x| x.to_string())),
 				object: Set(oid.map(|x| x.to_string())),
 				published: Set(chrono::Utc::now()),
 			})
@@ -241,7 +242,7 @@ impl Context {
 
 	pub async fn dispatch(&self, uid: &str, activity_targets: Vec<String>, aid: &str, oid: Option<&str>) -> crate::Result<()> {
 		let addressed = self.expand_addressing(activity_targets).await?;
-		self.address_to(aid, oid, &addressed).await?;
+		self.address_to(Some(aid), oid, &addressed).await?;
 		self.deliver_to(aid, uid, &addressed).await?;
 		Ok(())
 	}

src/server/fetcher.rs

@@ -114,7 +114,7 @@ impl Fetcher for Context {
 			.exec(self.db()).await?;
 
 		let expanded_addresses = self.expand_addressing(addressed).await?;
-		self.address_to(&activity_model.id, activity_model.object.as_deref(), &expanded_addresses).await?;
+		self.address_to(Some(&activity_model.id), None, &expanded_addresses).await?;
 
 		Ok(activity_model)
 	}
@@ -131,29 +131,9 @@ impl Fetcher for Context {
 		let addressed = object.addressed();
 		let object_model = model::object::Model::new(&object)?;
 
-		// since bare objects make no sense in our representation, we create a mock activity attributed to
-		// our server actor which creates this object. we respect all addressing we were made aware of
-		// and claim no ownership of this object, pointing to the original author if it's given.
-		// TODO it may be cool to make a system that, when the "true" activity is discovered, deletes
-		// this and replaces the addressing entries? idk kinda lot of work
-		let wrapper_activity_model = model::activity::Model {
-			id: self.aid(uuid::Uuid::new_v4().to_string()),
-			activity_type: apb::ActivityType::Create,
-			actor: self.base(),
-			object: Some(object_model.id.clone()),
-			target: object_model.attributed_to.clone(),
-			cc: object_model.cc.clone(),
-			bcc: object_model.bcc.clone(),
-			to: object_model.to.clone(),
-			bto: object_model.bto.clone(),
-			published: chrono::Utc::now(),
-		};
-
 		let expanded_addresses = self.expand_addressing(addressed).await?;
-		self.address_to(&wrapper_activity_model.id, Some(&object_model.id), &expanded_addresses).await?;
+		self.address_to(None, Some(&object_model.id), &expanded_addresses).await?;
 
-		model::activity::Entity::insert(wrapper_activity_model.into_active_model())
-			.exec(self.db()).await?;
 		model::object::Entity::insert(object_model.clone().into_active_model())
 			.exec(self.db()).await?;
 

src/server/inbox.rs

@@ -34,7 +34,7 @@ impl apb::server::Inbox for Context {
 		model::object::Entity::insert(object_model.into_active_model()).exec(self.db()).await?;
 		model::activity::Entity::insert(activity_model.into_active_model()).exec(self.db()).await?;
 		let expanded_addressing = self.expand_addressing(activity.addressed()).await?;
-		self.address_to(&aid, Some(&oid), &expanded_addressing).await?;
+		self.address_to(Some(&aid), Some(&oid), &expanded_addressing).await?;
 		tracing::info!("{} posted {}", aid, oid);
 		Ok(())
 	}
@@ -65,7 +65,7 @@ impl apb::server::Inbox for Context {
 					.exec(self.db())
 					.await?;
 				let expanded_addressing = self.expand_addressing(activity.addressed()).await?;
-				self.address_to(aid, None, &expanded_addressing).await?;
+				self.address_to(Some(aid), None, &expanded_addressing).await?;
 				model::object::Entity::update_many()
 					.col_expr(model::object::Column::Likes, Expr::col(model::object::Column::Likes).add(1))
 					.filter(model::object::Column::Id.eq(oid.clone()))
@@ -84,7 +84,7 @@ impl apb::server::Inbox for Context {
 		model::activity::Entity::insert(activity_model.into_active_model())
 			.exec(self.db()).await?;
 		let expanded_addressing = self.expand_addressing(activity.addressed()).await?;
-		self.address_to(&aid, None, &expanded_addressing).await?;
+		self.address_to(Some(&aid), None, &expanded_addressing).await?;
 		Ok(())
 	}
 
@@ -125,7 +125,7 @@ impl apb::server::Inbox for Context {
 		).exec(self.db()).await?;
 
 		let expanded_addressing = self.expand_addressing(activity.addressed()).await?;
-		self.address_to(&activity_model.id, None, &expanded_addressing).await?;
+		self.address_to(Some(&activity_model.id), None, &expanded_addressing).await?;
 		Ok(())
 	}
 
@@ -151,7 +151,7 @@ impl apb::server::Inbox for Context {
 			.await?;
 
 		let expanded_addressing = self.expand_addressing(activity.addressed()).await?;
-		self.address_to(&activity_model.id, None, &expanded_addressing).await?;
+		self.address_to(Some(&activity_model.id), None, &expanded_addressing).await?;
 		Ok(())
 	}
 
@@ -199,7 +199,7 @@ impl apb::server::Inbox for Context {
 			.exec(self.db())
 			.await?;
 		let expanded_addressing = self.expand_addressing(activity.addressed()).await?;
-		self.address_to(&aid, Some(&oid), &expanded_addressing).await?;
+		self.address_to(Some(&aid), Some(&oid), &expanded_addressing).await?;
 		Ok(())
 	}
 
@@ -263,7 +263,7 @@ impl apb::server::Inbox for Context {
 		};
 
 		let expanded_addressing = self.expand_addressing(activity.addressed()).await?;
-		self.address_to(&activity_model.id, None, &expanded_addressing).await?;
+		self.address_to(Some(&activity_model.id), None, &expanded_addressing).await?;
 		model::share::Entity::insert(share)
 			.exec(self.db()).await?;
 		model::activity::Entity::insert(activity_model.clone().into_active_model())