class Ramesh::Client
Constants
- MESHES_INDEX_URL
Public Instance Methods
download_image(minute, save_dir, filename = nil)
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# File lib/ramesh/client.rb, line 5 def download_image(minute, save_dir, filename = nil) _download_image(minute, save_dir, filename, :small) end
download_large_image(minute, save_dir, filename = nil)
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# File lib/ramesh/client.rb, line 9 def download_large_image(minute, save_dir, filename = nil) _download_image(minute, save_dir, filename, :large) end
download_sequential_images(from, to, save_dir)
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# File lib/ramesh/client.rb, line 13 def download_sequential_images(from, to, save_dir) raise ArgumentError, "minutes must be a number; 0, 5, 10, ... 120" unless valid_minutes?(from) && valid_minutes?(to) [].tap do |image_names| (from..to).step(5) { |minute| image_names << download_image(minute, save_dir) } end end
Private Instance Methods
_download_image(minute, save_dir, filename, image_size)
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# File lib/ramesh/client.rb, line 23 def _download_image(minute, save_dir, filename, image_size) raise ArgumentError, "minutes must be a number; 0, 5, 10, ... 120" unless valid_minutes?(minute) image_name = name_from_minute(minute) filename ||= "#{image_name}.jpg" image = Image.new(image_name, image_size) image.save(save_dir, filename) filename end
background_image()
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# File lib/ramesh/client.rb, line 34 def background_image @background_image ||= Image.background_image end
mask_image()
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# File lib/ramesh/client.rb, line 38 def mask_image @mask_image ||= Image.mask_image end
meshes_index()
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# File lib/ramesh/client.rb, line 42 def meshes_index @meshes_index ||= open(MESHES_INDEX_URL).read.gsub(/[^0-9,]/, "").split(",") end
name_from_minute(minute)
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# File lib/ramesh/client.rb, line 46 def name_from_minute(minute) meshes_index[minute / 5] end
valid_minutes?(minutes)
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# File lib/ramesh/client.rb, line 50 def valid_minutes?(minutes) (minutes >= 0) && (minutes <= 120) && (minutes % 5 == 0) end