new table - event log

prisma/schema.prisma

@@ -121,6 +121,7 @@ model Publisher {
   comments                String?
   reports                 Report[]
   Message                 Message[]
+  EventLog                EventLog[]
 }
 
 model Availability {
@@ -179,6 +180,7 @@ model Shift {
   reportId          Int?         @unique
   Report            Report?      @relation(fields: [reportId], references: [id])
   isPublished       Boolean      @default(false) //NEW v1.0.1
+  EventLog          EventLog[]
 
   @@map("Shift")
 }
@@ -256,6 +258,23 @@ model Message {
   type        MessageType @default(Email)
 }
 
+enum EventLogType {
+  AssignnementReplacementRequested
+  AssignnementReplacement
+  SentEmail
+}
+
+model EventLog {
+  id          Int          @id @default(autoincrement())
+  date        DateTime
+  publisherId String?
+  publisher   Publisher?   @relation(fields: [publisherId], references: [id])
+  shiftId     Int?
+  shift       Shift?       @relation(fields: [shiftId], references: [id])
+  content     String
+  type        EventLogType
+}
+
 //user auth and session management
 model User {
   id            String    @id @default(cuid())