feat: initial project structure (Model Project) - Backend + Multi-Frontend + Docker

backend/database/schema_fase4.sql

@@ -0,0 +1,25 @@
+-- ─────────────────────────────────────────────────────────────────
+-- FASE 4: Preço Dinâmico
+-- ─────────────────────────────────────────────────────────────────
+
+CREATE TABLE IF NOT EXISTS raffle_price_rules (
+  id            SERIAL PRIMARY KEY,
+  raffle_id     INTEGER NOT NULL REFERENCES raffles(id) ON DELETE CASCADE,
+  rule_type     TEXT NOT NULL CHECK (rule_type IN ('fixed', 'time_range')),
+  price         NUMERIC(10,2) NOT NULL,
+  start_at      TIMESTAMPTZ, -- Usado apenas se rule_type = 'time_range'
+  end_at        TIMESTAMPTZ, -- Usado apenas se rule_type = 'time_range'
+  priority      INTEGER DEFAULT 0,
+  created_at    TIMESTAMPTZ DEFAULT NOW(),
+  active        INTEGER DEFAULT 1
+);
+
+CREATE TABLE IF NOT EXISTS price_logs (
+  id            SERIAL PRIMARY KEY,
+  raffle_id     INTEGER NOT NULL REFERENCES raffles(id) ON DELETE CASCADE,
+  order_id      TEXT REFERENCES orders(id) ON DELETE SET NULL,
+  user_cpf      TEXT,
+  price_applied NUMERIC(10,2) NOT NULL,
+  rule_id       INTEGER REFERENCES raffle_price_rules(id) ON DELETE SET NULL,
+  created_at    TIMESTAMPTZ DEFAULT NOW()
+);