feat: Add spam block schema and migration (calcom#23996)

* schema

* fix migration

* --

* optional org

* --

* remove prisma level relation

* --

* rename

* remove redundant key

* --

Author: alishaz-polymath

packages/prisma/migrations/20250923082416_add_spam_block/migration.sql

@@ -0,0 +1,52 @@
+/*
+  Warnings:
+
+  - A unique constraint covering the columns `[type,value,organizationId]` on the table `Watchlist` will be added. If there are existing duplicate values, this will fail.
+
+*/
+-- CreateEnum
+CREATE TYPE "WatchlistAction" AS ENUM ('REPORT', 'BLOCK');
+
+-- DropIndex
+DROP INDEX "Watchlist_type_value_idx";
+
+-- DropIndex
+DROP INDEX "Watchlist_type_value_key";
+
+-- AlterTable
+ALTER TABLE "Watchlist" ADD COLUMN     "action" "WatchlistAction" NOT NULL DEFAULT 'REPORT',
+ADD COLUMN     "organizationId" INTEGER;
+
+-- CreateTable
+CREATE TABLE "BlockedBookingLog" (
+    "id" TEXT NOT NULL,
+    "email" TEXT NOT NULL,
+    "eventTypeId" INTEGER,
+    "organizationId" INTEGER,
+    "bookingData" JSONB,
+    "watchlistId" TEXT,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "BlockedBookingLog_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE INDEX "BlockedBookingLog_organizationId_createdAt_idx" ON "BlockedBookingLog"("organizationId", "createdAt");
+
+-- CreateIndex
+CREATE INDEX "BlockedBookingLog_email_idx" ON "BlockedBookingLog"("email");
+
+-- CreateIndex
+CREATE INDEX "BlockedBookingLog_watchlistId_idx" ON "BlockedBookingLog"("watchlistId");
+
+-- CreateIndex
+CREATE INDEX "Watchlist_type_value_organizationId_action_idx" ON "Watchlist"("type", "value", "organizationId", "action");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "Watchlist_type_value_organizationId_key" ON "Watchlist"("type","value","organizationId");
+
+-- CreateIndex
+-- Enforce uniqueness for global entries (organizationId IS NULL)
+CREATE UNIQUE INDEX "Watchlist_type_value_global_key"
+  ON "Watchlist"("type","value")
+  WHERE "organizationId" IS NULL;

packages/prisma/schema.prisma

@@ -2248,22 +2248,47 @@ enum WatchlistSeverity {
   CRITICAL
 }
 
+enum WatchlistAction {
+  REPORT
+  BLOCK
+}
+
 model Watchlist {
-  id          String            @id @unique @default(cuid())
-  type        WatchlistType
-  // The identifier of the Watchlisted entity (email or domain)
+  id   String        @id @unique @default(cuid())
+  type WatchlistType
+
   value       String
   description String?
+
+  organizationId Int?
+
+  action      WatchlistAction   @default(REPORT)
+  severity    WatchlistSeverity @default(LOW)
   createdAt   DateTime          @default(now())
-  createdBy   User              @relation("CreatedWatchlists", onDelete: Cascade, fields: [createdById], references: [id])
+  createdBy   User              @relation("CreatedWatchlists", onDelete: SetNull, fields: [createdById], references: [id])
   createdById Int
   updatedAt   DateTime          @updatedAt
   updatedBy   User?             @relation("UpdatedWatchlists", onDelete: SetNull, fields: [updatedById], references: [id])
   updatedById Int?
-  severity    WatchlistSeverity @default(LOW)
 
-  @@unique([type, value])
-  @@index([type, value])
+  @@unique([type, value, organizationId])
+  @@index([type, value, organizationId, action])
+}
+
+model BlockedBookingLog {
+  id          String @id @default(uuid())
+  email       String
+  eventTypeId Int?
+
+  organizationId Int?
+
+  bookingData Json?
+  createdAt   DateTime @default(now())
+  watchlistId String?
+
+  @@index([organizationId, createdAt])
+  @@index([email])
+  @@index([watchlistId])
 }
 
 enum BillingPeriod {