Renamed and updated project.

migrations/000005_create_threads.up.sql

@@ -0,0 +1,27 @@
+CREATE TYPE thread_type AS ENUM (
+    'expenses',
+    'movies',
+    'schedule',
+    'recipes',
+    'custom'
+);
+
+CREATE TABLE threads
+(
+    id                BIGSERIAL PRIMARY KEY,
+    family_id         BIGINT      NOT NULL REFERENCES families (id) ON DELETE CASCADE,
+    type              thread_type NOT NULL,
+    title             TEXT        NOT NULL,
+    telegram_topic_id BIGINT      NOT NULL,
+    is_system         BOOLEAN     NOT NULL DEFAULT FALSE,
+    created_by        BIGINT      NOT NULL REFERENCES users (id),
+    created_at        TIMESTAMP   NOT NULL DEFAULT NOW(),
+
+    UNIQUE (family_id, telegram_topic_id)
+);
+
+CREATE UNIQUE INDEX idx_unique_system_threads ON threads (family_id, type) WHERE is_system = TRUE;
+
+CREATE INDEX idx_threads_family_id ON threads (family_id);
+
+CREATE INDEX idx_threads_family_type ON threads(family_id, type);