prisma (#1)

migrate from knex to prisma on backend

Co-authored-by: fred <>
Reviewed-on: #1

backend/prisma/schema.prisma

@@ -0,0 +1,53 @@
+datasource db {
+  provider = "postgresql"
+  url      = env("DATABASE_URL")
+}
+
+generator client {
+  provider = "prisma-client-js"
+}
+
+model recipes {
+  id                Int                  @id @default(autoincrement())
+  name              String               @unique(map: "recipes_name_unique") @db.VarChar(255)
+  cuisine           String               @db.VarChar(255)
+  created_at        DateTime             @default(now()) @db.Timestamptz(6)
+  updated_at        DateTime             @default(now()) @db.Timestamptz(6)
+  author            String?              @db.VarChar(255)
+  stars             Int?
+  prep_minutes      Int?
+  cook_minutes      Int?
+  recipeIngredients recipe_ingredients[]
+  recipeSteps       recipe_steps[]
+}
+
+model recipe_ingredients {
+  id            Int      @id @default(autoincrement())
+  recipe_id     Int
+  ingredient_id Int?
+  quantity      String?  @db.VarChar(255)
+  unit          String?  @db.VarChar(255)
+  notes         String?  @db.VarChar(255)
+  created_at    DateTime @default(now()) @db.Timestamptz(6)
+  updated_at    DateTime @default(now()) @db.Timestamptz(6)
+  raw           String?  @default("") @db.VarChar(255)
+  recipes       recipes? @relation(fields: [recipe_id], references: [id])
+  recipesId     Int?
+
+  @@index([ingredient_id], map: "recipe_ingredients_ingredient_id_index")
+  @@index([recipe_id], map: "recipe_ingredients_recipe_id_index")
+}
+
+model recipe_steps {
+  id          Int      @id @default(autoincrement())
+  recipe_id   Int?
+  step_number Int?
+  instruction String?  @db.VarChar(510)
+  created_at  DateTime @default(now()) @db.Timestamptz(6)
+  updated_at  DateTime @default(now()) @db.Timestamptz(6)
+  recipes     recipes? @relation(fields: [recipe_id], references: [id])
+  recipesId   Int?
+
+  @@unique([recipe_id, step_number], map: "recipe_steps_recipe_id_step_number_unique")
+  @@index([recipe_id], map: "recipe_steps_recipe_id_index")
+}