Class: ReleaseImage::Generator

Inherits:
Object
  • Object
show all
Defined in:
lib/release_image.rb

Constant Summary collapse

BASE_URL = 
"https://api.unsplash.com/photos/random"

Instance Method Summary collapse

Constructor Details

#initialize(version:, date: nil, skip_download: false) ⇒ Generator

Returns a new instance of Generator.



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# File 'lib/release_image.rb', line 28

def initialize(version:, date: nil, skip_download: false)
  @version = version
  @date    = date ? Date.parse(date) : Date.today

  @skip_download = skip_download

  @folder_path = ReleaseImage.config.folder_path
  @logo_path   = ReleaseImage.config.logo_path
  @keywords    = ReleaseImage.config.keywords
  @api_key     = ReleaseImage.config.api_key
  @seasons     = ReleaseImage.config.seasons
end

Instance Method Details

#add_background_and_text(image) ⇒ Object

rubocop:disable Metrics/MethodLength



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# File 'lib/release_image.rb', line 84

def add_background_and_text(image) # rubocop:disable Metrics/MethodLength
  image.combine_options do |cmd|
    cmd.geometry "+0+0"
    cmd.gravity "center"

    cmd.fill "rgba(0, 0, 0, 0.5)"
    cmd.draw "rectangle 0,0 #{image.width},#{image.height}"

    cmd.fill "white"
    cmd.font "Helvetica"

    cmd.pointsize 80
    cmd.draw "text 0, -100 'v#{@version}'"

    cmd.pointsize 60
    cmd.draw "text 0, -10 '#{@date.strftime("%d. %B %Y.")}'"
  end
end

#add_logo(image) ⇒ Object 



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# File 'lib/release_image.rb', line 103

def (image)
   = MiniMagick::Image.open(@logo_path)

  image.composite() do |c|
    c.geometry "+#{(image.width / 2) - (.width / 2)}+300"
  end
end

#api_key ⇒ Object 



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# File 'lib/release_image.rb', line 134

def api_key
  ReleaseImage.config.api_key
end

#create_folder ⇒ Object 



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# File 'lib/release_image.rb', line 47

def create_folder
  FileUtils.mkdir_p(@folder_path) unless File.directory?(@folder_path)
end

#create_release_image ⇒ Object 



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# File 'lib/release_image.rb', line 61

def create_release_image
  image = MiniMagick::Image.open(image_path)

  resize_image(image)
  add_background_and_text(image)
  result = (image)

  result.write release_image_path

  release_image_path
end

#download_image ⇒ Object 



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# File 'lib/release_image.rb', line 51

def download_image
  uri = URI(url)
  response = Net::HTTP.get_response(uri)

  data = JSON.parse(response.body)
  image_url = data["urls"]["regular"]
  image = Down.download(image_url)
  File.binwrite(image_path, image.read)
end

#generate ⇒ Object 



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# File 'lib/release_image.rb', line 41

def generate
  create_folder
  download_image unless @skip_download
  create_release_image
end

#image_path ⇒ Object 



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# File 'lib/release_image.rb', line 111

def image_path
  "#{@folder_path}/image.jpg"
end

#query ⇒ Object 



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# File 'lib/release_image.rb', line 119

def query
  result = @keywords
  result += [season] if @seasons
  result.join(" ")
end

#release_image_path ⇒ Object 



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# File 'lib/release_image.rb', line 73

def release_image_path
  underscored_version = @version.tr(".", "_")
  "#{@folder_path}/release_#{underscored_version}.png"
end

#resize_image(image) ⇒ Object 



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# File 'lib/release_image.rb', line 78

def resize_image(image)
  image.resize "1920x1200^"
  image.gravity "center"
  image.extent "1920x1200"
end

#season ⇒ Object 



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# File 'lib/release_image.rb', line 125

def season
  case @date.strftime("%m").to_i
  when 3..5  then "Spring"
  when 6..8  then "Summer"
  when 9..11 then "Autumn"
  else "Winter"
  end
end

#url ⇒ Object 



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# File 'lib/release_image.rb', line 115

def url
  "#{BASE_URL}?query=#{query}&client_id=#{@api_key}"
end