Persist daily currency rate snapshots

prisma/migrations/3_add_currency_rate_history/migration.sql

@@ -0,0 +1,116 @@
+-- CreateTable
+CREATE TABLE "exchange_currency_rate_snapshots" (
+    "id" SERIAL NOT NULL,
+    "uuid" TEXT NOT NULL,
+    "base_currency" VARCHAR(3) NOT NULL,
+    "effective_date" DATE NOT NULL,
+    "quoted_at" TIMESTAMP(3) NOT NULL,
+    "next_update_at" TIMESTAMP(3),
+    "provider" VARCHAR(255) NOT NULL,
+    "documentation" VARCHAR(500) NOT NULL,
+    "terms_of_use" VARCHAR(500) NOT NULL,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "exchange_currency_rate_snapshots_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "exchange_currency_rates" (
+    "id" SERIAL NOT NULL,
+    "snapshot_id" INTEGER NOT NULL,
+    "quote_currency" VARCHAR(3) NOT NULL,
+    "rate" DECIMAL(24,10) NOT NULL,
+
+    CONSTRAINT "exchange_currency_rates_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "exchange_pricing_currency_policies" (
+    "country_code" VARCHAR(2) NOT NULL,
+    "currency_code" VARCHAR(3) NOT NULL,
+    "updated_at" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "exchange_pricing_currency_policies_pkey" PRIMARY KEY ("country_code")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "exchange_currency_rate_snapshots_uuid_key" ON "exchange_currency_rate_snapshots"("uuid");
+
+-- CreateIndex
+CREATE INDEX "exchange_currency_rate_snapshots_effective_date_idx" ON "exchange_currency_rate_snapshots"("effective_date");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "exchange_currency_rate_snapshots_base_currency_effective_da_key" ON "exchange_currency_rate_snapshots"("base_currency", "effective_date");
+
+-- CreateIndex
+CREATE INDEX "exchange_currency_rates_quote_currency_idx" ON "exchange_currency_rates"("quote_currency");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "exchange_currency_rates_snapshot_id_quote_currency_key" ON "exchange_currency_rates"("snapshot_id", "quote_currency");
+
+-- CreateIndex
+CREATE INDEX "exchange_pricing_currency_policies_currency_code_idx" ON "exchange_pricing_currency_policies"("currency_code");
+
+-- AddForeignKey
+ALTER TABLE "exchange_currency_rates" ADD CONSTRAINT "exchange_currency_rates_snapshot_id_fkey" FOREIGN KEY ("snapshot_id") REFERENCES "exchange_currency_rate_snapshots"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- Seed pricing currencies for countries already present in Optovia data.
+INSERT INTO "exchange_pricing_currency_policies" ("country_code", "currency_code", "updated_at") VALUES
+  ('AE', 'AED', CURRENT_TIMESTAMP),
+  ('AO', 'AOA', CURRENT_TIMESTAMP),
+  ('BF', 'XOF', CURRENT_TIMESTAMP),
+  ('BI', 'BIF', CURRENT_TIMESTAMP),
+  ('BJ', 'XOF', CURRENT_TIMESTAMP),
+  ('BW', 'BWP', CURRENT_TIMESTAMP),
+  ('CD', 'CDF', CURRENT_TIMESTAMP),
+  ('CF', 'XAF', CURRENT_TIMESTAMP),
+  ('CG', 'XAF', CURRENT_TIMESTAMP),
+  ('CI', 'XOF', CURRENT_TIMESTAMP),
+  ('CM', 'XAF', CURRENT_TIMESTAMP),
+  ('CN', 'CNY', CURRENT_TIMESTAMP),
+  ('CV', 'CVE', CURRENT_TIMESTAMP),
+  ('DJ', 'DJF', CURRENT_TIMESTAMP),
+  ('DZ', 'DZD', CURRENT_TIMESTAMP),
+  ('EG', 'EGP', CURRENT_TIMESTAMP),
+  ('ET', 'ETB', CURRENT_TIMESTAMP),
+  ('GA', 'XAF', CURRENT_TIMESTAMP),
+  ('GH', 'GHS', CURRENT_TIMESTAMP),
+  ('GM', 'GMD', CURRENT_TIMESTAMP),
+  ('GN', 'GNF', CURRENT_TIMESTAMP),
+  ('GQ', 'XAF', CURRENT_TIMESTAMP),
+  ('GW', 'XOF', CURRENT_TIMESTAMP),
+  ('KE', 'KES', CURRENT_TIMESTAMP),
+  ('KM', 'KMF', CURRENT_TIMESTAMP),
+  ('KZ', 'KZT', CURRENT_TIMESTAMP),
+  ('LR', 'LRD', CURRENT_TIMESTAMP),
+  ('LS', 'LSL', CURRENT_TIMESTAMP),
+  ('LY', 'LYD', CURRENT_TIMESTAMP),
+  ('MA', 'MAD', CURRENT_TIMESTAMP),
+  ('MG', 'MGA', CURRENT_TIMESTAMP),
+  ('ML', 'XOF', CURRENT_TIMESTAMP),
+  ('MR', 'MRU', CURRENT_TIMESTAMP),
+  ('MU', 'MUR', CURRENT_TIMESTAMP),
+  ('MW', 'MWK', CURRENT_TIMESTAMP),
+  ('MZ', 'MZN', CURRENT_TIMESTAMP),
+  ('NA', 'NAD', CURRENT_TIMESTAMP),
+  ('NE', 'XOF', CURRENT_TIMESTAMP),
+  ('NG', 'NGN', CURRENT_TIMESTAMP),
+  ('PL', 'PLN', CURRENT_TIMESTAMP),
+  ('RU', 'RUB', CURRENT_TIMESTAMP),
+  ('RW', 'RWF', CURRENT_TIMESTAMP),
+  ('SC', 'SCR', CURRENT_TIMESTAMP),
+  ('SD', 'SDG', CURRENT_TIMESTAMP),
+  ('SL', 'SLE', CURRENT_TIMESTAMP),
+  ('SN', 'XOF', CURRENT_TIMESTAMP),
+  ('SO', 'SOS', CURRENT_TIMESTAMP),
+  ('SS', 'SSP', CURRENT_TIMESTAMP),
+  ('ST', 'STN', CURRENT_TIMESTAMP),
+  ('SZ', 'SZL', CURRENT_TIMESTAMP),
+  ('TD', 'XAF', CURRENT_TIMESTAMP),
+  ('TG', 'XOF', CURRENT_TIMESTAMP),
+  ('TN', 'TND', CURRENT_TIMESTAMP),
+  ('TZ', 'TZS', CURRENT_TIMESTAMP),
+  ('UG', 'UGX', CURRENT_TIMESTAMP),
+  ('ZA', 'ZAR', CURRENT_TIMESTAMP),
+  ('ZM', 'ZMW', CURRENT_TIMESTAMP),
+  ('ZW', 'ZWG', CURRENT_TIMESTAMP);

prisma/schema.prisma

@@ -69,3 +69,42 @@ model Product {
   @@index([categoryName, isActive])
   @@map("exchange_products")
 }
+
+model CurrencyRateSnapshot {
+  id            Int            @id @default(autoincrement())
+  uuid          String         @unique @default(uuid())
+  baseCurrency  String         @map("base_currency") @db.VarChar(3)
+  effectiveDate DateTime       @map("effective_date") @db.Date
+  quotedAt      DateTime       @map("quoted_at")
+  nextUpdateAt  DateTime?      @map("next_update_at")
+  provider      String         @db.VarChar(255)
+  documentation String         @db.VarChar(500)
+  termsOfUse    String         @map("terms_of_use") @db.VarChar(500)
+  createdAt     DateTime       @default(now()) @map("created_at")
+  rates         CurrencyRate[]
+
+  @@unique([baseCurrency, effectiveDate])
+  @@index([effectiveDate])
+  @@map("exchange_currency_rate_snapshots")
+}
+
+model CurrencyRate {
+  id            Int                  @id @default(autoincrement())
+  snapshotId    Int                  @map("snapshot_id")
+  snapshot      CurrencyRateSnapshot @relation(fields: [snapshotId], references: [id], onDelete: Cascade)
+  quoteCurrency String               @map("quote_currency") @db.VarChar(3)
+  rate          Decimal              @db.Decimal(24, 10)
+
+  @@unique([snapshotId, quoteCurrency])
+  @@index([quoteCurrency])
+  @@map("exchange_currency_rates")
+}
+
+model PricingCurrencyPolicy {
+  countryCode  String   @id @map("country_code") @db.VarChar(2)
+  currencyCode String   @map("currency_code") @db.VarChar(3)
+  updatedAt    DateTime @updatedAt @map("updated_at")
+
+  @@index([currencyCode])
+  @@map("exchange_pricing_currency_policies")
+}