feat: add url field to objects

so that we can configure a frontend url and have posts redirect there
when remote instances press "external source"

src/cli/faker.rs

@@ -83,6 +83,7 @@ pub async fn faker(ctx: crate::server::Context, count: u64) -> Result<(), sea_or
 			bto: Set(Audience::default()),
 			cc: Set(Audience(vec![])),
 			bcc: Set(Audience::default()),
+			url: Set(None),
 			sensitive: Set(false),
 		}).exec(db).await?;
 

src/migrations/m20240512_000001_add_url_to_objects.rs

@@ -0,0 +1,40 @@
+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(Objects::Table)
+					.add_column(ColumnDef::new(Objects::Url).string().null())
+					.to_owned()
+			)
+			.await?;
+
+		Ok(())
+	}
+
+	async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+		manager
+			.alter_table(
+				Table::alter()
+					.table(Objects::Table)
+					.drop_column(Objects::Url)
+					.to_owned()
+			)
+			.await?;
+
+		Ok(())
+	}
+}
+
+#[derive(DeriveIden)]
+enum Objects {
+	Table,
+	Url,
+}
+

src/migrations/mod.rs

@@ -14,6 +14,7 @@ mod m20240421_000001_add_attachments;
 mod m20240424_000001_add_sensitive_field;
 mod m20240429_000001_add_relays_table;
 mod m20240502_000001_add_object_updated;
+mod m20240512_000001_add_url_to_objects;
 
 pub struct Migrator;
 
@@ -35,6 +36,7 @@ impl MigratorTrait for Migrator {
 			Box::new(m20240424_000001_add_sensitive_field::Migration),
 			Box::new(m20240429_000001_add_relays_table::Migration),
 			Box::new(m20240502_000001_add_object_updated::Migration),
+			Box::new(m20240512_000001_add_url_to_objects::Migration),
 		]
 	}
 }

src/model/object.rs

@@ -24,6 +24,7 @@ pub struct Model {
 	pub bcc: Audience,
 	pub to: Audience,
 	pub bto: Audience,
+	pub url: Option<String>,
 	pub published: ChronoDateTimeUtc,
 	pub updated: Option<ChronoDateTimeUtc>,
 
@@ -43,6 +44,7 @@ impl Model {
 			in_reply_to: object.in_reply_to().id(),
 			published: object.published().ok_or(super::FieldError("published"))?,
 			updated: object.updated(),
+			url: object.url().id(),
 			comments: object.replies().get()
 				.map_or(0, |x| x.total_items().unwrap_or(0)) as i64,
 			likes: object.likes().get()
@@ -74,6 +76,7 @@ impl Model {
 			.set_bto(apb::Node::Empty)
 			.set_cc(apb::Node::links(self.cc.0.clone()))
 			.set_bcc(apb::Node::Empty)
+			.set_url(apb::Node::maybe_link(self.url))
 			.set_sensitive(Some(self.sensitive))
 			.set_shares(apb::Node::object(
 				serde_json::Value::new_object()

src/server/outbox.rs

@@ -14,7 +14,8 @@ impl apb::server::Outbox for Context {
 	type Activity = serde_json::Value;
 
 	async fn create_note(&self, uid: String, object: serde_json::Value) -> crate::Result<String> {
-		let oid = self.oid(uuid::Uuid::new_v4().to_string());
+		let raw_oid = uuid::Uuid::new_v4().to_string();
+		let oid = self.oid(raw_oid.clone());
 		let aid = self.aid(uuid::Uuid::new_v4().to_string());
 		let activity_targets = object.addressed();
 		let mut object_model = model::object::Model::new(
@@ -35,6 +36,10 @@ impl apb::server::Outbox for Context {
 		}
 		let reply_to = object_model.in_reply_to.clone();
 
+		if let Some(fe_url) = &self.cfg().instance.frontend {
+			object_model.url = Some(format!("{fe_url}/objects/{raw_oid}")); 
+		}
+
 		let activity_model = model::activity::Model {
 			id: aid.clone(),
 			activity_type: apb::ActivityType::Create,
@@ -75,7 +80,8 @@ impl apb::server::Outbox for Context {
 			return Err(UpubError::bad_request());
 		};
 
-		let oid = self.oid(uuid::Uuid::new_v4().to_string());
+		let raw_oid = uuid::Uuid::new_v4().to_string();
+		let oid = self.oid(raw_oid.clone());
 		let aid = self.aid(uuid::Uuid::new_v4().to_string());
 		let activity_targets = activity.addressed();
 		let mut object_model = model::object::Model::new(
@@ -106,6 +112,9 @@ impl apb::server::Outbox for Context {
 			(_, Some(_)) => {}, // leave it as set by user
 		}
 		let reply_to = object_model.in_reply_to.clone();
+		if let Some(fe_url) = &self.cfg().instance.frontend {
+			object_model.url = Some(format!("{fe_url}/objects/{raw_oid}")); 
+		}
 
 		model::object::Entity::insert(object_model.into_active_model())
 			.exec(self.db()).await?;