src/main/resources/db/migration/V4__add_ratings_table.sql

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+-- Create ratings table to store user film ratings
+CREATE TABLE ratings (
+    id BIGSERIAL PRIMARY KEY,
+    user_id BIGINT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    film_id BIGINT NOT NULL REFERENCES films(id) ON DELETE CASCADE,
+    rating NUMERIC(3, 1) NOT NULL CHECK (rating >= 0 AND rating <= 10),
+    source VARCHAR(50) NOT NULL DEFAULT 'MOVIENIGHT',
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    CONSTRAINT unique_user_film_rating UNIQUE (user_id, film_id)
+);
+
+-- Create index on user_id for efficient lookups by user
+CREATE INDEX idx_ratings_user_id ON ratings(user_id);
+
+-- Create index on film_id for efficient lookups by film
+CREATE INDEX idx_ratings_film_id ON ratings(film_id);

src/main/resources/db/migration/V5__add_jellyfin_id_columns.sql

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+-- Add jellyfin_id columns for mapping between MovieNight and Jellyfin
+ALTER TABLE films
+    ADD COLUMN jellyfin_id UUID UNIQUE NULL,
+    ADD COLUMN jellyfin_library_id UUID NULL;
+
+CREATE INDEX idx_films_jellyfin_id ON films(jellyfin_id);
+
+-- Add jellyfin_id to users for sync mapping
+ALTER TABLE users
+    ADD COLUMN jellyfin_id UUID UNIQUE NULL;
+
+CREATE INDEX idx_users_jellyfin_id ON users(jellyfin_id);