Format schema, Adjust enum naming

prisma/schema.prisma

@@ -25,12 +25,10 @@ model Campaign {
   id        Int      @id @default(autoincrement())
   pid       String   @unique @default(dbgenerated("gen_random_uuid()")) @db.Uuid
   expiresAt DateTime
-  user_limit  Int      @default(40)
-  user_number Int      @default(0)
 
   event   Event        @relation(fields: [eventId], references: [id])
   links   LinkObject[]
-  eventId Int
+  eventId Int          @unique
 
 }
 
@@ -42,7 +40,7 @@ model LinkObject {
   campaign   Campaign @relation(fields: [campaignId], references: [id])
   campaignId Int
   group      Group    @relation(fields: [groupId], references: [id])
-  groupId Int
+  groupId    Int      @unique
 }
 
 model Admin {
@@ -50,7 +48,7 @@ model Admin {
   pid              String     @unique @default(dbgenerated("gen_random_uuid()")) @db.Uuid
   name             String
   password         String // TODO: Probably specify hash size (VarChar or some other type)
-  permission_level permission_level @default(STANDARD)
+  permission_level LevelAdmin @default(STANDARD)
 
   event   Event @relation(fields: [eventId], references: [id])
   eventId Int
@@ -89,7 +87,7 @@ model Team {
   discipline   Discipline    @relation(fields: [disciplineId], references: [id])
   disciplineId Int
   leader       Participant?  @relation(name: "leader", fields: [leaderId], references: [id])
-  leaderId Int
+  leaderId     Int           @unique
 }
 
 model Participant {
@@ -133,7 +131,7 @@ model Group {
   link           LinkObject?
 }
 
-enum permission_level {
+enum LevelAdmin {
   STANDARD
   ELEVATED
 }