Federation DB Changes.

- Creating an activity table.
- Adding some federation-related columns to the user_ and community
  tables.
- Generating the actor_id and keys in code, updating the tables.

2 files changed, 52 insertions, 0 deletions

diff --git a/server/migrations/2020-03-26-192410_add_activitypub_tables/down.sql b/server/migrations/2020-03-26-192410_add_activitypub_tables/down.sql
new file mode 100644
index 00000000..b1710623
--- /dev/null
+++ b/server/migrations/2020-03-26-192410_add_activitypub_tables/down.sql
@@ -0,0 +1,16 @@
+drop table activity;
+
+alter table user_ 
+drop column actor_id, 
+drop column private_key,
+drop column public_key,
+drop column bio,
+drop column local,
+drop column last_refreshed_at;
+
+alter table community 
+drop column actor_id, 
+drop column private_key,
+drop column public_key,
+drop column local,
+drop column last_refreshed_at;
diff --git a/server/migrations/2020-03-26-192410_add_activitypub_tables/up.sql b/server/migrations/2020-03-26-192410_add_activitypub_tables/up.sql
new file mode 100644
index 00000000..8fe3b8ed
--- /dev/null
+++ b/server/migrations/2020-03-26-192410_add_activitypub_tables/up.sql
@@ -0,0 +1,36 @@
+-- The Activitypub activity table
+-- All user actions must create a row here.
+create table activity (
+  id serial primary key,
+  user_id int references user_ on update cascade on delete cascade not null, -- Ensures that the user is set up here.
+  data jsonb not null,
+  local boolean not null default true,
+  published timestamp not null default now(),
+  updated timestamp
+);
+
+-- Making sure that id is unique
+create unique index idx_activity_unique_apid on activity ((data ->> 'id'::text));
+
+-- Add federation columns to the two actor tables
+alter table user_ 
+-- TODO uniqueness constraints should be added on these 3 columns later
+add column actor_id character varying(255) not null default 'changeme', -- This needs to be checked and updated in code, building from the site url if local
+add column bio text, -- not on community, already has description
+add column local boolean not null default true,
+add column private_key text, -- These need to be generated from code
+add column public_key text,
+add column last_refreshed_at timestamp not null default now() -- Used to re-fetch federated actor periodically
+;
+
+-- Community
+alter table community 
+add column actor_id character varying(255) not null default 'changeme', -- This needs to be checked and updated in code, building from the site url if local
+add column local boolean not null default true,
+add column private_key text, -- These need to be generated from code
+add column public_key text,
+add column last_refreshed_at timestamp not null default now() -- Used to re-fetch federated actor periodically
+;
+
+-- Don't worry about rebuilding the views right now.
+