nice clean: create 3 database tables

db/init/090_subscriptions.sql

@@ -28,6 +28,13 @@ CREATE TABLE IF NOT EXISTS subscription_webhooks
 );
 CREATE UNIQUE INDEX subscription_webhook on subscription_webhooks(subscription_id, webhook_id);
 
+CREATE TABLE IF NOT EXISTS realm_report_webhooks
+(
+    id BIGINT GENERATED ALWAYS AS IDENTITY PRIMARY KEY NOT NULL,
+    realm_id BIGINT REFERENCES realms(id) ON DELETE RESTRICT NOT NULL,
+    webhook_id BIGINT REFERENCES webhooks(id) ON DELETE RESTRICT NOT NULL
+);
+
 CREATE TABLE IF NOT EXISTS board_category_subscriptions
 (
     subscription_id BIGINT REFERENCES subscriptions(id) ON DELETE RESTRICT NOT NULL,
@@ -43,3 +50,27 @@ CREATE TABLE IF NOT EXISTS thread_category_subscriptions
     subscription_id BIGINT REFERENCES subscriptions(id) ON DELETE RESTRICT NOT NULL
 );
 CREATE UNIQUE INDEX thread_category_subscriptions_entry on thread_category_subscriptions(thread_id, category_id, subscription_id);
+
+CREATE TABLE IF NOT EXISTS user_reports
+(
+    id BIGINT GENERATED ALWAYS AS IDENTITY PRIMARY KEY NOT NULL,
+    reporter_id BIGINT REFERENCES users(id) ON DELETE RESTRICT NOT NULL,
+    reported_at timestamp NOT NULL DEFAULT now(),
+    text TEXT NOT NULL,
+    reported_thread_id BIGINT REFERENCES threads(id) ON DELETE RESTRICT,
+    reported_post_id BIGINT REFERENCES posts(id) ON DELETE RESTRICT,
+    reported_comment_id BIGINT REFERENCES comments(id) ON DELETE RESTRICT,
+    CONSTRAINT at_most_one
+        CHECK (
+            (reported_thread_id IS NOT NULL)::INT +
+            (reported_post_id IS NOT NULL)::INT +
+            (reported_comment_id IS NOT NULL)::INT <= 1
+        )
+);
+
+CREATE TABLE IF NOT EXISTS user_report_deliveries
+(
+    report_id BIGINT REFERENCES user_reports(id) ON DELETE RESTRICT NOT NULL,
+    webhook_id BIGINT REFERENCES realm_report_webhooks(id) ON DELETE RESTRICT NOT NULL,
+    sent_at timestamp 
+)