Basic transaction system

api/db/migrations/20231107163803_transaction/migration.sql

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+/*
+  Warnings:
+
+  - You are about to drop the column `quantities` on the `Transaction` table. All the data in the column will be lost.
+
+*/
+-- DropForeignKey
+ALTER TABLE "Part" DROP CONSTRAINT "Part_transactionId_fkey";
+
+-- AlterTable
+ALTER TABLE "Transaction" DROP COLUMN "quantities";
+
+-- CreateTable
+CREATE TABLE "PartTransaction" (
+    "id" SERIAL NOT NULL,
+    "quantity" INTEGER NOT NULL,
+    "partId" INTEGER NOT NULL,
+    "transactionId" INTEGER NOT NULL,
+
+    CONSTRAINT "PartTransaction_pkey" PRIMARY KEY ("id")
+);
+
+-- AddForeignKey
+ALTER TABLE "PartTransaction" ADD CONSTRAINT "PartTransaction_partId_fkey" FOREIGN KEY ("partId") REFERENCES "Part"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "PartTransaction" ADD CONSTRAINT "PartTransaction_transactionId_fkey" FOREIGN KEY ("transactionId") REFERENCES "Transaction"("id") ON DELETE RESTRICT ON UPDATE CASCADE;