Когда я пытаюсь запустить мою задачу rake rake import:master
Я получаю эту ошибку: ActiveRecord::RecordInvalid: Validation failed: Item must exist
Когда я пытаюсь запустить отдельную задачу rake: rake import:item, явойдет в консоль rails и не будет отображать загруженные элементы.Кто-нибудь знает, что может быть не так?Я потратил часы, пытаясь понять это безрезультатно, любая помощь будет высоко ценится.
Вот мой файл граблей:
require 'csv'
namespace :import do
desc "Imports all CSV's"
task :master => :environment do
Rake::Task["import:customer"].execute
Rake::Task["import:merchant"].execute
Rake::Task["import:item"].execute
Rake::Task["import:invoice"].execute
Rake::Task["import:transaction"].execute
Rake::Task["import:invoice_item"].execute
end
end
namespace :import do
desc "imports merchants from a csv file"
task :merchant => :environment do
CSV.foreach("lib/seeds/merchants.csv") do |row|
id = row[0]
name = row[1]
created_at = row[2]
updated_at = row[3]
Merchant.create(id: id, name: name, created_at: created_at, updated_at: updated_at)
end
end
end
namespace :import do
desc "imports items from a csv file"
task :item => :environment do
CSV.foreach("lib/seeds/items.csv") do |row|
id = row[0]
name = row[1]
description = row[2]
unit_price = row[3]
merchant_id = row[4]
created_at = row[5]
updated_at = row[6]
Item.create(id: id, name: name, unit_price: unit_price, merchant_id: merchant_id, created_at: created_at, updated_at: updated_at)
end
end
end
namespace :import do
desc "imports customers from a csv file"
task :customer => :environment do
CSV.foreach("lib/seeds/customers.csv") do |row|
id = row[0]
first_name = row[1]
last_name = row[2]
created_at = row[3]
updated_at = row[4]
Customer.create(id: id, first_name: first_name, last_name: last_name, created_at: created_at, updated_at: updated_at)
end
end
end
namespace :import do
desc "imports invoices from a csv file"
task :invoice => :environment do
CSV.foreach("lib/seeds/invoices.csv") do |row|
id = row[0]
customer_id = row[1]
merchant_id = row[2]
status = row[3]
created_at = row[4]
updated_at = row[5]
Invoice.create(id: id, customer_id: customer_id, merchant_id: merchant_id, status: status, created_at: created_at, updated_at: updated_at)
end
end
end
namespace :import do
desc "imports invoice_items from a csv file"
task :invoice_item => :environment do
CSV.foreach("lib/seeds/invoice_items.csv") do |row|
id = row[0]
item_id = row[1]
invoice_id = row[2]
quantity = row[3]
unit_price = row[4]
created_at = row[5]
updated_at = row[6]
InvoiceItem.create!(id: id, item_id: item_id, invoice_id: invoice_id, quantity: quantity, unit_price: unit_price, created_at: created_at, updated_at: updated_at)
end
end
end
namespace :import do
desc "imports transactions from a csv file"
task :transaction => :environment do
CSV.foreach("lib/seeds/transactions.csv") do |row|
id = row[0]
invoice_id = row[1]
credit_card_number = row[2]
credit_card_expiration_date = row[3]
result = row[4]
created_at = row[5]
updated_at = row[6]
Transaction.create(id: id, invoice_id: invoice_id, credit_card_number: credit_card_number, credit_card_expiration_date: credit_card_expiration_date, result: result, created_at: created_at, updated_at: updated_at)
end
end
end
Вот также моя схема, если это поможет
ActiveRecord::Schema.define(version: 2018_11_27_030804) do
# These are extensions that must be enabled in order to support this database
enable_extension "plpgsql"
create_table "customers", force: :cascade do |t|
t.string "first_name"
t.string "last_name"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
end
create_table "invoice_items", force: :cascade do |t|
t.bigint "item_id"
t.bigint "invoice_id"
t.integer "quantity"
t.decimal "unit_price"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.index ["invoice_id"], name: "index_invoice_items_on_invoice_id"
t.index ["item_id"], name: "index_invoice_items_on_item_id"
end
create_table "invoices", force: :cascade do |t|
t.bigint "customer_id"
t.bigint "merchant_id"
t.string "status"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.index ["customer_id"], name: "index_invoices_on_customer_id"
t.index ["merchant_id"], name: "index_invoices_on_merchant_id"
end
create_table "items", force: :cascade do |t|
t.string "name"
t.text "description"
t.decimal "unit_price"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.bigint "merchant_id"
t.index ["merchant_id"], name: "index_items_on_merchant_id"
end
create_table "merchants", force: :cascade do |t|
t.string "name"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
end
create_table "transactions", force: :cascade do |t|
t.bigint "invoice_id"
t.bigint "credit_card_number"
t.date "credit_card_expiration_date"
t.string "result"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.index ["invoice_id"], name: "index_transactions_on_invoice_id"
end
add_foreign_key "invoice_items", "invoices"
add_foreign_key "invoice_items", "items"
add_foreign_key "invoices", "customers"
add_foreign_key "invoices", "merchants"
add_foreign_key "items", "merchants"
add_foreign_key "transactions", "invoices"
end
И моя модель товара:
class Item < ApplicationRecord
belongs_to :merchant
has_many :invoice_items
has_many :invoices, through: :invoice_items
validates_presence_of :name, :description, :unit_price
end
Любая помощь будет высоко ценится, спасибо заранее!