Add feed model, link items to feeds

migrations/20230507201612_initial.sql

@@ -1,9 +1,23 @@
-CREATE TABLE IF NOT EXISTS "items" (
+CREATE TYPE feed_type AS ENUM ('atom', 'rss');
+
+CREATE TABLE IF NOT EXISTS "feeds" (
     "id" SERIAL PRIMARY KEY NOT NULL,
     "title" VARCHAR(255) NOT NULL,
     "url" VARCHAR(2048) NOT NULL,
+    "type" feed_type NOT NULL,
     "description" TEXT,
     "created_at" timestamp(3) NOT NULL,
     "updated_at" timestamp(3) NOT NULL,
     "deleted_at" timestamp(3)
 );
+
+CREATE TABLE IF NOT EXISTS "items" (
+    "id" SERIAL PRIMARY KEY NOT NULL,
+    "title" VARCHAR(255) NOT NULL,
+    "url" VARCHAR(2048) NOT NULL,
+    "description" TEXT,
+    "feed_id" INTEGER REFERENCES "feeds"(id) NOT NULL,
+    "created_at" timestamp(3) NOT NULL,
+    "updated_at" timestamp(3) NOT NULL,
+    "deleted_at" timestamp(3)
+);