module FileStorageModule
Public Instance Methods
add_line(fp, data)
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# File lib/FileStorageModule.rb, line 16 def add_line(fp, data) new_line = data.to_json File.open(fp, 'a') do |file| file.puts new_line end end
read_file(fp)
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# File lib/FileStorageModule.rb, line 5 def read_file(fp) list = [] File.open(fp, 'r') do |f| f.each do |line| content = JSON.parse(line, symbolize_names: true) list.push( content ) unless content[:del] end end return list end
remove_line(fp, data)
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# File lib/FileStorageModule.rb, line 31 def remove_line(fp, data) update_line(fp, data, {del: true}) end
update_line(fp, old_data, new_data)
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# File lib/FileStorageModule.rb, line 23 def update_line(fp, old_data, new_data) old_line = old_data.to_json new_line = new_data.to_json content = File.read(fp) content.sub!(old_line, new_line) File.open(fp, "w") {|file| file.puts content } end