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generator client {
provider = "prisma-client-js"
}
datasource db {
provider = "postgresql"
url = env("DATABASE_URL")
}
// TODO: user deletion should delete all transactions
model User {
id Int @id @default(autoincrement())
createdAt DateTime @default(now())
updatedAt DateTime @updatedAt
userName String @unique
email String @unique
fullName String
password String
refreshTokenVersion Int @default(1)
transactions Transaction[]
monthlyBudgetHistory MonthlyBudget[]
friends Friend[]
friendOf Friend[] @relation(name: "friend")
collaboratorOf TransactionCollaborator[]
}
model Transaction {
id Int @id @default(autoincrement())
user User @relation(fields: [userId], references: [id])
userId Int
createdAt DateTime @default(now())
time DateTime @default(now()) // can be edited from the client side
type TransactionType @default(SPENT)
value String
currency String
reason String
place String
description String
collaborators TransactionCollaborator[]
}
model TransactionCollaborator {
id Int @id @default(autoincrement())
transaction Transaction @relation(fields: [transactionId], references: [id])
transactionId Int
user User @relation(fields: [userId], references: [id])
userId Int
}
// each user has a unique monthly limit for each month
// the previous limit is set for the next month unless changed
// TODO: find a way to auto-generate a row for each user every month
// TODO: figure out a way to handle budgets with different currencies
// TODO: (maybe have only one primary currency and a budget for just that)
model MonthlyBudget {
id Int @id @default(autoincrement())
user User @relation(fields: [userId], references: [id])
userId Int
createdAt DateTime @default(now())
month Month
year Int
value Int
currency String
}
model Friend {
id Int @id @default(autoincrement())
user User @relation(fields: [userId], references: [id])
userId Int
friend User @relation(name: "friend", fields: [friendId], references: [id])
friendId Int
@@unique([userId, friendId])
}
enum TransactionType {
SPENT
RECEIVED
BORROWED
LENT
}
enum Month {
JANUARY
FEBRUARY
MARCH
APRIL
MAY
JUNE
JULY
AUGUST
SEPTEMBER
OCTOBER
NOVEMBER
DECEMBER
}
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