Add SQL migration for GQL hooks

This is phase one, phase two will make several of these columns
non-nullable once the webhooks are registered.

hubsrht/alembic/versions/7bea74989938_update_schema_for_gql_hooks.py

@@ -0,0 +1,50 @@
+"""Update schema for GQL hooks
+
+Revision ID: 7bea74989938
+Revises: 9cfb231405a9
+Create Date: 2024-09-24 14:58:11.845757
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '7bea74989938'
+down_revision = '9cfb231405a9'
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    op.execute("""
+    CREATE TABLE user_service_webhooks (
+    	id serial PRIMARY KEY,
+    	git_hook_id integer,
+    	hg_hook_id integer,
+    	list_hook_id integer,
+    	todo_hook_id integer
+    );
+
+    ALTER TABLE "user" ADD COLUMN
+        user_hooks integer REFERENCES user_service_webhooks(id);
+
+    ALTER TABLE mailing_list
+        ADD COLUMN remote_hook_id integer;
+    ALTER TABLE source_repo
+        ADD COLUMN remote_hook_id integer;
+    ALTER TABLE tracker
+        ADD COLUMN remote_hook_id integer;
+    """)
+
+
+def downgrade():
+    op.execute("""
+    DROP TABLE "user" DROP COLUMN user_hooks integer;
+    DROP TABLE user_service_webhooks;
+
+    ALTER TABLE mailing_list
+        DROP COLUMN remote_hook_id integer;
+    ALTER TABLE source_repo
+        DROP COLUMN remote_hook_id integer;
+    ALTER TABLE tracker
+        DROP COLUMN remote_hook_id integer;
+    """)

schema.sql

@@ -4,6 +4,18 @@ CREATE TYPE visibility AS ENUM (
 	'UNLISTED'
 );
 
+CREATE TABLE user_service_webhooks (
+	id serial PRIMARY KEY,
+	-- git.sr.ht user webhook remote ID
+	git_hook_id integer,
+	-- hg.sr.ht user webhook remote ID
+	hg_hook_id integer,
+	-- lists.sr.ht user webhook remote ID
+	list_hook_id integer,
+	-- todo.sr.ht user webhook remote ID
+	todo_hook_id integer
+);
+
 CREATE TABLE "user" (
 	id serial PRIMARY KEY,
 	created timestamp without time zone NOT NULL,
@@ -18,7 +30,8 @@ CREATE TABLE "user" (
 	oauth_token character varying(256),
 	oauth_token_expires timestamp without time zone,
 	oauth_token_scopes character varying,
-	oauth_revocation_token character varying(256)
+	oauth_revocation_token character varying(256),
+	user_hooks integer REFERENCES user_service_webhooks(id)
 );
 
 CREATE UNIQUE INDEX ix_user_username ON "user" USING btree (username);
@@ -53,7 +66,8 @@ CREATE TABLE mailing_list (
 	owner_id integer NOT NULL REFERENCES "user"(id) ON DELETE CASCADE,
 	name character varying(128) NOT NULL,
 	description character varying,
-	visibility visibility DEFAULT 'UNLISTED'::visibility NOT NULL
+	visibility visibility DEFAULT 'UNLISTED'::visibility NOT NULL,
+	remote_hook_id integer
 );
 
 CREATE TABLE source_repo (
@@ -67,6 +81,7 @@ CREATE TABLE source_repo (
 	description character varying,
 	repo_type character varying NOT NULL,
 	visibility visibility DEFAULT 'UNLISTED'::visibility NOT NULL,
+	remote_hook_id integer,
 	CONSTRAINT project_source_repo_unique UNIQUE (project_id, remote_id, repo_type)
 );
 
@@ -82,7 +97,8 @@ CREATE TABLE tracker (
 	owner_id integer NOT NULL REFERENCES "user"(id) ON DELETE CASCADE,
 	name character varying(128) NOT NULL,
 	description character varying,
-	visibility visibility DEFAULT 'UNLISTED'::visibility NOT NULL
+	visibility visibility DEFAULT 'UNLISTED'::visibility NOT NULL,
+	remote_hook_id integer
 );
 
 CREATE TABLE event (