Discord account Linkage, penalty update

packages/database/prisma/schema/migrations/20260105235037_added_former_discord_account_schema/migration.sql

@@ -0,0 +1,33 @@
+/*
+  Warnings:
+
+  - You are about to drop the column `user_id` on the `discord_accounts` table. All the data in the column will be lost.
+
+*/
+-- DropForeignKey
+ALTER TABLE "discord_accounts" DROP CONSTRAINT "discord_accounts_user_id_fkey";
+
+-- AlterTable
+ALTER TABLE "discord_accounts" RENAME COLUMN "user_id" TO "userId";
+
+-- CreateTable
+CREATE TABLE "former_discord_accounts" (
+    "id" SERIAL NOT NULL,
+    "discord_id" TEXT NOT NULL,
+    "user_id" TEXT NOT NULL,
+    "removed_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "former_discord_accounts_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "former_discord_accounts_discord_id_key" ON "former_discord_accounts"("discord_id");
+
+-- AddForeignKey
+ALTER TABLE "former_discord_accounts" ADD CONSTRAINT "former_discord_accounts_discord_id_fkey" FOREIGN KEY ("discord_id") REFERENCES "discord_accounts"("discord_id") ON DELETE SET NULL ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "former_discord_accounts" ADD CONSTRAINT "former_discord_accounts_user_id_fkey" FOREIGN KEY ("user_id") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "discord_accounts" ADD CONSTRAINT "discord_accounts_userId_fkey" FOREIGN KEY ("userId") REFERENCES "users"("id") ON DELETE SET NULL ON UPDATE CASCADE;

packages/database/prisma/schema/migrations/20260106000534_id_handling_former_dc_acc/migration.sql

@@ -0,0 +1,35 @@
+/*
+  Warnings:
+
+  - You are about to drop the `former_discord_accounts` table. If the table is not empty, all the data it contains will be lost.
+
+*/
+-- DropForeignKey
+ALTER TABLE "former_discord_accounts" DROP CONSTRAINT "former_discord_accounts_discord_id_fkey";
+
+-- DropForeignKey
+ALTER TABLE "former_discord_accounts" DROP CONSTRAINT "former_discord_accounts_user_id_fkey";
+
+-- AlterTable
+ALTER TABLE "discord_accounts" ALTER COLUMN "userId" DROP NOT NULL;
+
+-- DropTable
+DROP TABLE "former_discord_accounts";
+
+-- CreateTable
+CREATE TABLE "FormerDiscordAccount" (
+    "discord_id" TEXT NOT NULL,
+    "user_id" TEXT NOT NULL,
+    "removed_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "FormerDiscordAccount_pkey" PRIMARY KEY ("discord_id","user_id")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "FormerDiscordAccount_discord_id_key" ON "FormerDiscordAccount"("discord_id");
+
+-- AddForeignKey
+ALTER TABLE "FormerDiscordAccount" ADD CONSTRAINT "FormerDiscordAccount_discord_id_fkey" FOREIGN KEY ("discord_id") REFERENCES "discord_accounts"("discord_id") ON DELETE SET NULL ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "FormerDiscordAccount" ADD CONSTRAINT "FormerDiscordAccount_user_id_fkey" FOREIGN KEY ("user_id") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE CASCADE;

packages/database/prisma/schema/migrations/20260106001030_unique_user_per_discord_account/migration.sql

@@ -0,0 +1,8 @@
+/*
+  Warnings:
+
+  - A unique constraint covering the columns `[userId]` on the table `discord_accounts` will be added. If there are existing duplicate values, this will fail.
+
+*/
+-- CreateIndex
+CREATE UNIQUE INDEX "discord_accounts_userId_key" ON "discord_accounts"("userId");

packages/database/prisma/schema/user.prisma

@@ -68,7 +68,6 @@ model User {
     duplicateReason       String?                 @map(name: "duplicate_reason")
     // relations:
     oauthTokens           OAuthToken[]
-    discordAccounts       DiscordAccount[]
     participants          Participant[]
     EventAppointmentUser  EventAppointment[]      @relation("EventAppointmentUser")
     EventAppointment      EventAppointment[]
@@ -86,13 +85,26 @@ model User {
     CreatedPenalties      Penalty[]               @relation("CreatedPenalties")
     Bookings              Booking[]
 
+    DiscordAccount        DiscordAccount?
+    FormerDiscordAccounts FormerDiscordAccount[]
+
     @@map(name: "users")
 }
 
+model FormerDiscordAccount {
+    discordId String   @unique @map(name: "discord_id")
+    userId    String   @map(name: "user_id")
+    removedAt DateTime @default(now()) @map(name: "removed_at")
+
+    DiscordAccount DiscordAccount? @relation(fields: [discordId], references: [discordId], onDelete: SetNull)
+    User           User            @relation(fields: [userId], references: [id], onDelete: Cascade)
+
+    @@id([discordId, userId])
+}
+
 model DiscordAccount {
     id           Int      @id @default(autoincrement())
     discordId    String   @unique @map(name: "discord_id")
-    userId       String   @map(name: "user_id")
     email        String   @map(name: "email")
     username     String   @map(name: "username")
     avatar       String?  @map(name: "avatar")
@@ -104,8 +116,10 @@ model DiscordAccount {
     createdAt    DateTime @default(now()) @map(name: "created_at")
     updatedAt    DateTime @default(now()) @map(name: "updated_at")
 
-    // relations:
-    user User @relation(fields: [userId], references: [id], onDelete: Cascade) // Beziehung zu User
+    // Related User
+    userId               String?               @unique
+    User                 User?                 @relation(fields: [userId], references: [id], onDelete: SetNull)
+    formerDiscordAccount FormerDiscordAccount?
 
     @@map(name: "discord_accounts")
 }