Scoped PATs (#651)

* Scoped PATs

* fix threads issues

* fix migration

migrations/20230710034250_flows.sql

@@ -0,0 +1,44 @@
+CREATE INDEX sessions_session
+    ON sessions (session);
+
+CREATE TABLE flows (
+  id bigint NOT NULL PRIMARY KEY,
+  flow varchar(64) NOT NULL UNIQUE,
+  user_id BIGINT NOT NULL REFERENCES users(id),
+  expires timestamptz NOT NULL,
+  flow_type varchar(64) NOT NULL
+);
+
+CREATE INDEX flows_flow
+    ON flows (flow);
+
+DROP TABLE pats;
+
+CREATE TABLE pats (
+  id BIGINT PRIMARY KEY,
+  name VARCHAR(255) NOT NULL,
+  user_id BIGINT NOT NULL REFERENCES users(id),
+  access_token VARCHAR(64) NOT NULL UNIQUE,
+  scopes BIGINT NOT NULL,
+  created timestamptz NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  expires timestamptz NOT NULL,
+  last_used timestamptz NULL
+);
+
+CREATE INDEX pats_user_id
+    ON pats (user_id);
+
+CREATE INDEX pats_access_token
+    ON pats (access_token);
+
+ALTER TABLE mods DROP COLUMN thread_id;
+ALTER TABLE reports DROP COLUMN thread_id;
+
+DELETE FROM threads_members;
+DELETE FROM threads_messages;
+DELETE FROM threads;
+
+ALTER TABLE threads
+    ADD COLUMN report_id bigint references reports ON UPDATE CASCADE NULL;
+ALTER TABLE threads
+    ADD COLUMN mod_id bigint references mods ON UPDATE CASCADE NULL;