Init alpharb gem.

.gitignore

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+/.bundle/
+/.yardoc
+/_yardoc/
+/coverage/
+/doc/
+/pkg/
+/spec/reports/
+/tmp/
+
+# rspec failure tracking
+.rspec_status
+
+/spec/config.yml
+
+*.lock
+*.gem

.rspec

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+--format documentation
+--color
+--require spec_helper

.travis.yml

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+---
+sudo: false
+language: ruby
+cache: bundler
+rvm:
+  - 2.4.0
+before_install: gem install bundler -v 2.0.2

CHANGELOG.md

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+
+# CHANGELOG.md
+
+## avantage 0.2.0  released 2019-10-26
+
+* Initial release

CODE_OF_CONDUCT.md

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+# Contributor Covenant Code of Conduct
+
+## Our Pledge
+
+In the interest of fostering an open and welcoming environment, we as
+contributors and maintainers pledge to making participation in our project and
+our community a harassment-free experience for everyone, regardless of age, body
+size, disability, ethnicity, gender identity and expression, level of experience,
+nationality, personal appearance, race, religion, or sexual identity and
+orientation.
+
+## Our Standards
+
+Examples of behavior that contributes to creating a positive environment
+include:
+
+* Using welcoming and inclusive language
+* Being respectful of differing viewpoints and experiences
+* Gracefully accepting constructive criticism
+* Focusing on what is best for the community
+* Showing empathy towards other community members
+
+Examples of unacceptable behavior by participants include:
+
+* The use of sexualized language or imagery and unwelcome sexual attention or
+advances
+* Trolling, insulting/derogatory comments, and personal or political attacks
+* Public or private harassment
+* Publishing others' private information, such as a physical or electronic
+  address, without explicit permission
+* Other conduct which could reasonably be considered inappropriate in a
+  professional setting
+
+## Our Responsibilities
+
+Project maintainers are responsible for clarifying the standards of acceptable
+behavior and are expected to take appropriate and fair corrective action in
+response to any instances of unacceptable behavior.
+
+Project maintainers have the right and responsibility to remove, edit, or
+reject comments, commits, code, wiki edits, issues, and other contributions
+that are not aligned to this Code of Conduct, or to ban temporarily or
+permanently any contributor for other behaviors that they deem inappropriate,
+threatening, offensive, or harmful.
+
+## Scope
+
+This Code of Conduct applies both within project spaces and in public spaces
+when an individual is representing the project or its community. Examples of
+representing a project or community include using an official project e-mail
+address, posting via an official social media account, or acting as an appointed
+representative at an online or offline event. Representation of a project may be
+further defined and clarified by project maintainers.
+
+## Enforcement
+
+Instances of abusive, harassing, or otherwise unacceptable behavior may be
+reported by contacting the project team at [email protected]. All
+complaints will be reviewed and investigated and will result in a response that
+is deemed necessary and appropriate to the circumstances. The project team is
+obligated to maintain confidentiality with regard to the reporter of an incident.
+Further details of specific enforcement policies may be posted separately.
+
+Project maintainers who do not follow or enforce the Code of Conduct in good
+faith may face temporary or permanent repercussions as determined by other
+members of the project's leadership.
+
+## Attribution
+
+This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4,
+available at [http://contributor-covenant.org/version/1/4][version]
+
+[homepage]: http://contributor-covenant.org
+[version]: http://contributor-covenant.org/version/1/4/

Gemfile

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+source "https://rubygems.org"
+
+# Specify your gem's dependencies in alpharb.gemspec
+gemspec

LICENSE.txt

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+The MIT License (MIT)
+
+Copyright (c) 2019 Hugo Lyra
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

README.md

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+# Alpharb [![Gem Version](https://badge.fury.io/rb/alpharb.svg)](https://badge.fury.io/rb/alpharb)
+
+A Ruby library to query the [Alpha Vantage API](https://www.alphavantage.co/documentation/).
+
+## Installation
+
+Add this line to your application's Gemfile:
+
+```ruby
+gem 'alpharb'
+```
+
+And then execute:
+
+    $ bundle
+
+Or install it yourself as:
+
+    $ gem install alpharb
+
+## Usage
+
+```ruby
+require 'alpharb'
+
+Alpharb::Client.new('APIKEY').search('BIDI4')
+
+{
+  :bestMatches=>[
+    {
+      :"1. symbol"=>"BIDI4.SAO",
+      :"2. name"=>"Banco Inter S.A.",
+      :"3. type"=>"Equity",
+      :"4. region"=>"Brazil/Sao Paolo",
+      :"5. marketOpen"=>"10:00",
+      :"6. marketClose"=>"17:30",
+      :"7. timezone"=>"UTC-03",
+      :"8. currency"=>"BRL",
+      :"9. matchScore"=>"0.7692"
+    }
+  ]
+}
+```
+
+## Contributing
+
+Bug reports and pull requests are welcome on GitHub at https://github.com/hamorim/alpharb. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the [Contributor Covenant](http://contributor-covenant.org) code of conduct.
+
+## License
+
+The gem is available as open source under the terms of the [MIT License](https://opensource.org/licenses/MIT).
+
+## Code of Conduct
+
+Everyone interacting in the Alpharb project’s codebases, issue trackers, chat rooms and mailing lists is expected to follow the [code of conduct](https://github.com/hamorim/alpharb/blob/master/CODE_OF_CONDUCT.md).

Rakefile

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+require "bundler/gem_tasks"
+require "rspec/core/rake_task"
+
+RSpec::Core::RakeTask.new(:spec)
+
+task :default => :spec

alpharb.gemspec

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+lib = File.expand_path("lib", __dir__)
+$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
+require "alpharb/version"
+
+Gem::Specification.new do |spec|
+  spec.name          = "alpharb"
+  spec.version       = Alpharb::VERSION
+  spec.authors       = ["Hugo Lyra"]
+  spec.email         = ["[email protected]"]
+
+  spec.summary       = %q{AlphaRB.}
+  spec.description   = %q{A Ruby library to query the Alpha Vantage API.}
+  spec.homepage      = "https://github.com/hamorim/alpharb"
+  spec.license       = "MIT"
+
+  spec.metadata["homepage_uri"] = spec.homepage
+
+  spec.files         = Dir.chdir(File.expand_path('..', __FILE__)) do
+    `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
+  end
+
+  spec.require_paths = ["lib"]
+
+  spec.add_development_dependency "bundler", "~> 2.0"
+  spec.add_development_dependency "rake", "~> 10.0"
+  spec.add_development_dependency "rspec", "~> 3.0"
+
+  spec.add_dependency "faraday", "~> 0.17.0"
+  spec.add_dependency "oj", "~> 3.9", ">= 3.9.2"
+end

lib/alpharb.rb

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+require "oj"
+require "faraday"
+require "alpharb/version"
+require "alpharb/client"
+

lib/alpharb/client.rb

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+module Alpharb
+  class Client
+    API_ENDPOINT = 'https://www.alphavantage.co'.freeze
+
+    attr_reader :token
+
+    def initialize(token = nil)
+      @token = token
+    end
+
+    def search(keywords)
+      request params: { function: 'SYMBOL_SEARCH', keywords: keywords }
+    end
+
+    def quote(symbol)
+      request params: { function: 'GLOBAL_QUOTE', symbol: symbol }
+    end
+
+    private
+
+    def client
+      @_client ||= Faraday.new(API_ENDPOINT) do |client|
+        client.request :url_encoded
+        client.adapter Faraday.default_adapter
+      end
+    end
+
+    def request(http_method: :get, endpoint: "query", params: {})
+      response = client.public_send(http_method, endpoint, params.merge(apikey: @token))
+      Oj.load(response.body, { symbol_keys: true })
+    end
+  end
+end

lib/alpharb/version.rb

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+module Alpharb
+  VERSION = "0.2.0"
+end

spec/alpharb_spec.rb

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+RSpec.describe Alpharb do
+  it "has a version number" do
+    expect(Alpharb::VERSION).not_to be nil
+  end
+
+  it "create a new client" do
+    client = Alpharb::Client.new key: @config["key"]
+    expect(client.class).to eq Alpharb::Client
+  end
+
+  it "search for a quote" do
+    result = @client.search "BIDI4"
+    expect(result[:bestMatches][0][:"1. symbol"]).to eq "BIDI4.SAO"
+    expect(result[:bestMatches][0][:"2. name"]).to eq "Banco Inter S.A."
+  end
+
+  it "retrieve info for a quote" do
+    result = @client.quote "BIDI4.SAO"
+    expect(result[:"Global Quote"][:"01. symbol"]).to eq "BIDI4.SAO"
+  end
+end

spec/spec_helper.rb

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+require "bundler/setup"
+require "yaml"
+require "alpharb"
+
+RSpec.configure do |config|
+  config.color = true
+	config.before(:all) do
+		@config = YAML::load_file(File.join(__dir__, 'config.yml'))
+		@client = Alpharb::Client.new @config["key"]
+	end
+end