Enforce unique constraints and cascade deletions for Article.

Added unique constraints on "userId, promptedTopic" and "userId, title" in the Article table. Updated foreign key relationships to cascade on delete and update for associated tables. These changes improve data integrity and consistency across related entities.

.gitignore

@@ -54,4 +54,5 @@ next-env.d.ts
 /test-results/
 /dumps/
 
-.trigger
+.trigger
+/.vscode

prisma/migrations/20240914023136_delete_articles/migration.sql

@@ -0,0 +1,17 @@
+-- DropForeignKey
+ALTER TABLE "ArticleGenerationOptions" DROP CONSTRAINT "ArticleGenerationOptions_articleId_fkey";
+
+-- DropForeignKey
+ALTER TABLE "ArticleSearchResult" DROP CONSTRAINT "ArticleSearchResult_articleId_fkey";
+
+-- DropForeignKey
+ALTER TABLE "ArticleSource" DROP CONSTRAINT "ArticleSource_articleId_fkey";
+
+-- AddForeignKey
+ALTER TABLE "ArticleSource" ADD CONSTRAINT "ArticleSource_articleId_fkey" FOREIGN KEY ("articleId") REFERENCES "Article"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "ArticleSearchResult" ADD CONSTRAINT "ArticleSearchResult_articleId_fkey" FOREIGN KEY ("articleId") REFERENCES "Article"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "ArticleGenerationOptions" ADD CONSTRAINT "ArticleGenerationOptions_articleId_fkey" FOREIGN KEY ("articleId") REFERENCES "Article"("id") ON DELETE CASCADE ON UPDATE CASCADE;

prisma/migrations/20240914023340_unique_articles/migration.sql

@@ -0,0 +1,12 @@
+/*
+  Warnings:
+
+  - A unique constraint covering the columns `[userId,promptedTopic]` on the table `Article` will be added. If there are existing duplicate values, this will fail.
+  - A unique constraint covering the columns `[userId,title]` on the table `Article` will be added. If there are existing duplicate values, this will fail.
+
+*/
+-- CreateIndex
+CREATE UNIQUE INDEX "Article_userId_promptedTopic_key" ON "Article"("userId", "promptedTopic");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "Article_userId_title_key" ON "Article"("userId", "title");

prisma/schema.prisma

@@ -1439,6 +1439,9 @@ model Article {
   searchResults     ArticleSearchResult[]
   generationOptions ArticleGenerationOptions?
   comments          ArticleComment[]
+
+  @@unique([userId, promptedTopic])
+  @@unique([userId, title])
 }
 
 enum ArticleStatus {
@@ -1486,7 +1489,7 @@ model ArticleSource {
   title       String
   description String?
   articleId   String
-  article     Article   @relation(fields: [articleId], references: [id])
+  article     Article   @relation(fields: [articleId], references: [id], onDelete: Cascade)
   updatedAt   DateTime  @updatedAt
   createdAt   DateTime  @default(now())
   deletedAt   DateTime?
@@ -1501,7 +1504,7 @@ model ArticleSearchResult {
   author        String?
   text          String    @db.Text
   articleId     String
-  article       Article   @relation(fields: [articleId], references: [id])
+  article       Article   @relation(fields: [articleId], references: [id], onDelete: Cascade)
   updatedAt     DateTime  @updatedAt
   createdAt     DateTime  @default(now())
   deletedAt     DateTime?
@@ -1517,7 +1520,7 @@ model ArticleGenerationOptions {
   tone                              String
   format                            String
   articleId                         String    @unique
-  article                           Article   @relation(fields: [articleId], references: [id])
+  article                           Article   @relation(fields: [articleId], references: [id], onDelete: Cascade)
   updatedAt                         DateTime  @updatedAt
   createdAt                         DateTime  @default(now())
   deletedAt                         DateTime?