Rewrite to rust

prisma/schema.prisma

@@ -0,0 +1,58 @@
+generator client {
+  provider = "cargo prisma"
+  output   = "../src/prisma.rs"
+}
+
+datasource db {
+  provider = "postgresql"
+  url      = env("DATABASE_URL")
+}
+
+model UserSettings {
+  id            Int              @id @default(autoincrement())
+  user_id       BigInt           @unique
+  last_name     String           @db.VarChar(64)
+  first_name    String           @db.VarChar(64)
+  username      String           @db.VarChar(32)
+  source        String           @db.VarChar(32)
+  user_activity UserActivity?
+  languages     LanguageToUser[]
+
+  @@map("user_settings")
+}
+
+model ChatDonateNotifications {
+  id      BigInt   @id @default(autoincrement())
+  chat_id BigInt   @unique
+  sended  DateTime @db.Timestamp(6)
+
+  @@map("chat_donate_notifications")
+}
+
+model Language {
+  id    Int              @id @default(autoincrement())
+  label String           @db.VarChar(16)
+  code  String           @unique @db.VarChar(4)
+  users LanguageToUser[]
+
+  @@map("languages")
+}
+
+model UserActivity {
+  id      Int          @id @default(autoincrement())
+  user_id Int          @unique @map("user")
+  updated DateTime     @db.Timestamp(6)
+  user    UserSettings @relation(fields: [user_id], references: [id], onDelete: NoAction, onUpdate: NoAction, map: "fk_user_activity_user_settings_id_user")
+
+  @@map("user_activity")
+}
+
+model LanguageToUser {
+  id          Int          @id @default(autoincrement())
+  language_id Int          @map("language")
+  user_id     Int          @map("user")
+  language    Language     @relation(fields: [language_id], references: [id], onDelete: Cascade, map: "fk_users_languages_languages_language_id")
+  user        UserSettings @relation(fields: [user_id], references: [id], onDelete: Cascade, map: "fk_users_languages_user_settings_user_id")
+
+  @@map("users_languages")
+}