feat: walking skeleton - study space uploads

supabase/schemas/0000_common.sql

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+CREATE FUNCTION handle_updated_at()
+RETURNS trigger
+LANGUAGE plpgsql
+  SET search_path = ''
+AS $$
+BEGIN
+  NEW.updated_at = now();
+  RETURN NEW;
+END;
+$$;

supabase/schemas/0001_study_spaces.sql

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+INSERT INTO storage.buckets (id, name, public)
+VALUES ('files_bucket', 'files_bucket', true);
+
+CREATE POLICY "Whack"
+    ON storage.objects
+    FOR ALL
+    USING (bucket_id = 'files_bucket');
+
+CREATE TABLE study_spaces (
+    id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
+    title text NOT NULL,
+    created_at timestamp with time zone DEFAULT now(),
+    updated_at timestamp with time zone DEFAULT now()
+);
+
+CREATE TABLE study_space_images (
+    study_space_id uuid REFERENCES study_spaces(id) ON DELETE CASCADE,
+    image_path text NOT NULL,
+    created_at timestamp with time zone DEFAULT now(),
+    updated_at timestamp with time zone DEFAULT now(),
+    PRIMARY KEY (study_space_id, image_path)
+);
+
+-- Triggers
+CREATE TRIGGER study_spaces_updated_at
+AFTER UPDATE ON study_spaces
+FOR EACH ROW EXECUTE FUNCTION handle_updated_at();
+
+CREATE TRIGGER study_space_images_updated_at
+AFTER UPDATE ON study_space_images
+FOR EACH ROW EXECUTE FUNCTION handle_updated_at();
+
+-- Security
+-- ALTER TABLE study_spaces ENABLE ROW LEVEL SECURITY;
+-- ALTER TABLE study_space_images ENABLE ROW LEVEL SECURITY;
+
+-- CREATE POLICY "Allow all users to view study spaces"
+--     ON study_spaces
+--     FOR SELECT
+--     USING (true);
+
+-- CREATE POLICY "Allow all users to view study space images"
+--     ON study_space_images
+--     FOR SELECT
+--     USING (true);