Add find iss method

.rake_tasks~

@@ -0,0 +1,3 @@
+default
+send_last_tweets_media
+test

Gemfile

@@ -17,13 +17,15 @@ gem 'sinatra', '~> 2.1.0'
 gem 'telegram-bot-ruby', '~> 0.11.0'
 gem 'twitter-text', '~> 1.13.3'
 gem 'twitter', '~> 6.0.0'
+gem 'timezone_finder', '~> 1.5.7'
 gem 'whenever', '~> 0.9.4', require: false
 
 group :development do
   gem 'derailed_benchmarks'
   gem 'minitest-reporters'
   gem 'minitest'
   gem 'mocha'
+  gem 'pry'
   gem 'rack-test'
   gem 'stackprof'
   gem 'webmock'

Gemfile.lock

@@ -26,6 +26,7 @@ GEM
     buftok (0.2.0)
     builder (3.2.4)
     chronic (0.10.2)
+    coderay (1.1.3)
     coercible (1.0.0)
       descendants_tracker (~> 0.0.1)
     concurrent-ruby (1.1.8)
@@ -101,6 +102,7 @@ GEM
     memoizable (0.4.2)
       thread_safe (~> 0.3, >= 0.3.1)
     memory_profiler (0.9.14)
+    method_source (1.0.0)
     mime-types (3.3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2020.1104)
@@ -120,6 +122,9 @@ GEM
     naught (1.1.0)
     nio4r (2.5.4)
     os (0.9.6)
+    pry (0.13.1)
+      coderay (~> 1.1)
+      method_source (~> 1.0)
     public_suffix (4.0.6)
     puma (4.3.6)
       nio4r (~> 2.0)
@@ -154,6 +159,7 @@ GEM
     thor (1.0.1)
     thread_safe (0.3.6)
     tilt (2.0.10)
+    timezone_finder (1.5.7)
     twitter (6.0.0)
       addressable (~> 2.5)
       buftok (~> 0.2.0)
@@ -197,13 +203,15 @@ DEPENDENCIES
   minitest
   minitest-reporters
   mocha
+  pry
   puma (~> 4.3.0)
   rack (~> 2.2.3)
   rack-test
   rake
   sinatra (~> 2.1.0)
   stackprof
   telegram-bot-ruby (~> 0.11.0)
+  timezone_finder (~> 1.5.7)
   twitter (~> 6.0.0)
   twitter-text (~> 1.13.3)
   webmock

config/locales/it.yml

@@ -12,3 +12,5 @@ it:
       between_hours: "tra le %{start} e le %{end}"
       good_for_ride: "fa uscire in bici"
       not_good_for_ride: "%{when} a %{where} non fa uscire in bici"
+  iss:
+    pass_time: "passa il %{date} alle %{hour} ed è visibile per %{duration_min} minuti"

lib/bot.rb

@@ -61,8 +61,6 @@ def handle_message(message)
     # get the first web search result link
     when /^\/google (.+)/i # /google
       send_message(message.chat.id, WebSearcher.new($1).first_link)
-    when /^\/meteops/i
-      send_message(message.chat.id, "http://trottomv.suroot.com/meteo#{Time.now.strftime("%Y%m%d")}.png")
     # default: try AI to generate some response
     else
       text = text.sub(/\A\/\S* /, "") # remove /command part

lib/fortuna_luca/iss/when.rb

@@ -0,0 +1,45 @@
+# frozen_string_literal: true
+
+require "i18n"
+require "httpclient"
+require "json"
+require "timezone_finder"
+require_relative "../../logging"
+
+module FortunaLuca
+  module Iss
+    class When
+      include Logging
+
+      DEFAULT_LAT = 43.8789729
+      DEFAULT_LON = 12.9601665
+      DEFAULT_NUMBER = 5
+
+      def initialize(lat = DEFAULT_LAT, lon = DEFAULT_LON, number = DEFAULT_NUMBER)
+        @api_url = "http://api.open-notify.org/iss-pass.json?lat=#{lat}&lon=#{lon}&n=#{number}"
+      end
+
+      def call
+        result = HTTPClient.get(@api_url)
+        response = JSON.parse(result.body)["response"][0]
+        request = JSON.parse(result.body)["request"]
+        message(response, request)
+      rescue JSON::ParserError => e
+        Logging.logger.error "Iss JSON parse error: #{e.message}"
+        nil
+      end
+
+      private
+
+      def message(response, request)
+        ENV["TZ"] = TimezoneFinder.create.timezone_at(lng: request["longitude"], lat: request["latitude"])
+        duration_min = response["duration"] / 60 
+        date_time = Time.at(response["risetime"])
+        date = date_time.strftime("%d/%m")
+        hour = date_time.strftime("%H:%M")
+        ENV["TZ"] = nil
+        I18n.t('iss.pass_time', date: date, hour: hour, duration_min: duration_min) 
+      end
+    end
+  end
+end

test/fixtures/iss_when.json

@@ -0,0 +1,20 @@
+{
+    "message": "success",
+    "request": {
+        "altitude": 100,
+        "datetime": 1612635634,
+        "latitude": 43.8789729,
+        "longitude": 12.9601665,
+        "passes": 2
+    },
+    "response": [
+        {
+            "duration": 384,
+            "risetime": 1612637271
+        },
+        {
+            "duration": 274,
+            "risetime": 1612686050
+        }
+    ]
+}

test/fortuna_luca/iss/test_iss.rb

@@ -0,0 +1,36 @@
+require_relative "../../test_helper"
+require_relative "../../../lib/fortuna_luca/iss/when"
+
+describe FortunaLuca::Iss::When do
+  let(:instance) { FortunaLuca::Iss::When.new() }
+  let(:stubbed_response) { HTTP::Message.new_response(data) }
+
+  describe "#call" do
+    before do
+      HTTPClient.stubs(:get).with(
+        "http://api.open-notify.org/iss-pass.json?lat=43.8789729&lon=12.9601665&n=5",
+      ).returns(stubbed_response)
+    end
+
+    describe "with valid data returned" do
+      let(:data) do
+        File.read(File.dirname(__FILE__) + '/../../fixtures/iss_when.json')
+      end
+
+      it "returns the Iss when" do
+        instance.call().must_equal(
+          "passa il 06/02 alle 19:47 ed è visibile per 6 minuti"
+        )
+      end
+    end
+
+    describe "with invalid JSON data returned" do
+      let(:data) { "" }
+
+      it "returns nil" do
+        instance.call().must_equal(nil)
+      end
+    end
+
+  end
+end

test/test_helper.rb

@@ -1,12 +1,15 @@
+require "logger"
 require "minitest/autorun"
 require "mocha/minitest"
 require "minitest/reporters"
+require "pry"
 require "rack/test"
 require "webmock/minitest"
 require_relative "../config/i18n"
 
 ENV["RACK_ENV"] = "test"
 ENV["SECRET_WEBHOOK_PATH"] = "/the-secret-path"
 ENV["TELEGRAM_BOT_NAME"] = "@fortuna_luca"
+ENV["TZ"] = "Europe/Rome"
 
 Minitest::Reporters.use! Minitest::Reporters::SpecReporter.new