Adds delete user functionality in admin panel #86 (#110)

* #86 Adds delete user functionality in admin panel

* Removes unnecessary code

* Prevents current user from deleting itself

server/prisma/models/auth.prisma

@@ -11,7 +11,7 @@ model LinkedAuthMec {
     version     Int  @default(1)
     credentials Json
 
-    user User @relation(fields: [userId], references: [id])
+    user User @relation(fields: [userId], references: [id], onDelete: Cascade)
 
     @@id([userId, mec])
 }
@@ -38,7 +38,7 @@ model APIToken {
     name  String
 
     userId String?
-    user   User?   @relation(fields: [userId], references: [id])
+    user   User?   @relation(fields: [userId], references: [id], onDelete: Cascade)
 
     clientId String?
     client   Client? @relation(fields: [clientId], references: [id], onDelete: Cascade)
@@ -62,7 +62,7 @@ model Session {
     expiresAt DateTime
 
     userId String
-    user   User?  @relation(fields: [userId], references: [id])
+    user   User?  @relation(fields: [userId], references: [id], onDelete: Cascade)
 
     data Json // misc extra data
 }

server/prisma/models/client.prisma

@@ -9,7 +9,7 @@ enum ClientCapabilities {
 model Client {
     id     String @id @default(uuid())
     userId String
-    user   User   @relation(fields: [userId], references: [id])
+    user   User   @relation(fields: [userId], references: [id], onDelete: Cascade)
 
     capabilities ClientCapabilities[]
 

server/prisma/models/collection.prisma

@@ -4,7 +4,7 @@ model Collection {
 
     isDefault Boolean @default(false)
     userId    String
-    user      User    @relation(fields: [userId], references: [id])
+    user      User    @relation(fields: [userId], references: [id], onDelete: Cascade)
 
     entries CollectionEntry[]
 }

server/prisma/models/news.prisma

@@ -17,6 +17,6 @@ model Article {
   imageObjectId String? // Object ID
   publishedAt   DateTime @default(now())
 
-  author   User?   @relation(fields: [authorId], references: [id]) // Optional, if no user, it's a system post
+  author   User?   @relation(fields: [authorId], references: [id], onDelete: Cascade) // Optional, if no user, it's a system post
   authorId String?
 }

server/prisma/models/user.prisma

@@ -28,7 +28,7 @@ model Notification {
     nonce String?
 
     userId String
-    user   User     @relation(fields: [userId], references: [id])
+    user   User     @relation(fields: [userId], references: [id], onDelete: Cascade)
     acls   String[]
 
     created     DateTime @default(now())