initial commit

.env

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+TINKOFF_OPENAPI_URL=https://api-invest.tinkoff.ru/openapi
+TINKOFF_OPENAPI_TOKEN=

.gitignore

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+.env.local
+.env.*.local

.ruby-version

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+2.7.1

Gemfile

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+source 'https://rubygems.org'
+
+gem 'dotenv'
+
+gem 'faraday'
+gem 'faraday_middleware'
+gem 'faraday_middleware-parse_oj'
+
+gem 'awesome_pry'
+
+gem 'tty-table'

Gemfile.lock

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+GEM
+  remote: https://rubygems.org/
+  specs:
+    awesome_print (1.8.0)
+    awesome_pry (0.0.1)
+      awesome_print
+      pry-rails
+    coderay (1.1.2)
+    dotenv (2.7.5)
+    equatable (0.6.1)
+    faraday (0.17.3)
+      multipart-post (>= 1.2, < 3)
+    faraday_middleware (0.14.0)
+      faraday (>= 0.7.4, < 1.0)
+    faraday_middleware-parse_oj (0.3.2)
+      faraday (~> 0.9)
+      faraday_middleware (>= 0.9.1, < 1.0)
+      oj (>= 2.0, < 4.0)
+    method_source (1.0.0)
+    multipart-post (2.1.1)
+    necromancer (0.6.0)
+    oj (3.10.6)
+    pastel (0.7.3)
+      equatable (~> 0.6)
+      tty-color (~> 0.5)
+    pry (0.13.1)
+      coderay (~> 1.1)
+      method_source (~> 1.0)
+    pry-rails (0.3.9)
+      pry (>= 0.10.4)
+    strings (0.1.8)
+      strings-ansi (~> 0.1)
+      unicode-display_width (~> 1.5)
+      unicode_utils (~> 1.4)
+    strings-ansi (0.2.0)
+    tty-color (0.5.1)
+    tty-screen (0.7.1)
+    tty-table (0.11.0)
+      equatable (~> 0.6)
+      necromancer (~> 0.5)
+      pastel (~> 0.7.2)
+      strings (~> 0.1.5)
+      tty-screen (~> 0.7)
+    unicode-display_width (1.7.0)
+    unicode_utils (1.4.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  awesome_pry
+  dotenv
+  faraday
+  faraday_middleware
+  faraday_middleware-parse_oj
+  tty-table
+
+BUNDLED WITH
+   2.1.4

bin/console

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+#!/usr/bin/env ruby
+
+require 'bundler/setup'
+require 'pry'
+require 'awesome_print'
+AwesomePrint.pry!
+
+require_relative '../lib/tinky_client'
+
+Pry.start(TinkyClient)

bin/portfolio

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+#!/usr/bin/env ruby
+require_relative '../lib/tinky_client'
+TinkyClient.portfolio

config/dotenv.rb

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+require 'dotenv'
+Dotenv.load(
+  ".env.#{ENV['APP_ENV']}.local",
+  '.env.local',
+  ".env.#{ENV['APP_ENV']}",
+  '.env'
+)

config/oj.rb

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+require 'oj'
+
+Oj.default_options = {
+  mode: :compat,
+  symbol_keys: true
+}

lib/tinky_client.rb

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+require './config/dotenv'
+require './config/oj'
+
+require 'faraday'
+require 'faraday_middleware'
+require 'faraday_middleware/parse_oj'
+
+require 'tty/table'
+
+require 'pry'
+require 'awesome_print'
+
+module TinkyClient
+  CURRENCIES = { RUB: '₽', USD: '$', EUR: '€' }.freeze
+
+  class Client
+    attr_reader :connection
+
+    def initialize
+      @connection = Client.make_connection(ENV['TINKOFF_OPENAPI_URL'])
+    end
+
+    def get_portfolio
+      get_data('portfolio')
+    end
+
+    private
+      def get_data(url)
+        request(:get, url)
+      end
+
+      def request(method, url, params = {})
+        response = connection.public_send(method, url, params)
+
+        if response.success?
+          response.body
+        else
+          handle_error(response)
+        end
+      end
+
+      def handle_error(response)
+        raise ClientError, "Tinkoff responded with HTTP #{response.status}: #{response.body.ai}"
+      end
+
+      class << self
+        def make_connection(url)
+          Faraday.new(url: url) do |builder|
+            builder.request  :json
+            builder.authorization :Bearer, ENV['TINKOFF_OPENAPI_TOKEN']
+            builder.response :oj, content_type: 'application/json'
+            builder.adapter  Faraday.default_adapter
+          end
+        end
+      end
+    end
+
+  class ClientError < StandardError; end
+
+  class << self
+    def portfolio
+      puts
+
+      summary = client.get_portfolio
+
+      table = TTY::Table.new(header: ['Type', 'Name', 'Amount', 'Yield'])
+
+      summary.dig(:payload, :positions).each do |p|
+        currency = CURRENCIES[p[:expectedYield][:currency].to_sym]
+        decorated_yield = decorate_value(p[:expectedYield][:value], currency)
+
+        table << [
+          p[:instrumentType].upcase,
+          decorate_name(p[:name]),
+          { value: decorate_amount(p[:balance]), alignment: :right },
+          { value: decorated_yield, alignment: :right }
+        ]
+      end
+
+      puts table.render(:ascii, padding: [0,1,0,1])
+      puts
+    end
+
+  private
+    def client
+      @client ||= Client.new
+    end
+
+    def pastel
+      @pastel ||= Pastel.new
+    end
+
+    def decorate_value(value, currency)
+      color = if value.positive?
+        :green
+      elsif value.negative?
+        :red
+      else
+        :clear
+      end
+
+      formatted_value = sprintf("%+d #{currency}", value)
+      pastel.decorate(formatted_value, color)
+    end
+
+    def decorate_amount(amount)
+      if amount == amount.to_i
+        amount.round
+      else
+        amount
+      end
+    end
+
+    def decorate_name(name)
+      stripped_name = if name.length > 29
+        name[0..28] + '…'
+      else
+        name
+      end
+
+      pastel.bold(stripped_name)
+    end
+  end
+end