Class: Blog

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

Constant Summary collapse

FILE = 
'structured_exceptions.yml'
NO_EXCEPTIONS = 
"No exceptions have been raised by files that require 'ruby_blogger'"

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(specified_file = nil) ⇒ Blog

Returns a new instance of Blog.



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# File 'lib/Blog.rb', line 14

def initialize(specified_file = nil)
  @exceptions = YAML.load_stream(File.read(FILE))
  @unique_files = exceptions.map { |exc| exc.file }.uniq
  @count_and_files = "#{exceptions.length} in #{unique_files.join(' ')}"
  @unique_exception_types = exceptions.map { |exc| exc.type }.uniq
  @specified_file = specified_file
end

Instance Attribute Details

#count_and_files ⇒ Object (readonly)

Returns the value of attribute count_and_files.



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# File 'lib/Blog.rb', line 6

def count_and_files
  @count_and_files
end

#count_of_exceptions_in_folder ⇒ Object (readonly)

Returns the value of attribute count_of_exceptions_in_folder.



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# File 'lib/Blog.rb', line 6

def count_of_exceptions_in_folder
  @count_of_exceptions_in_folder
end

#exceptions ⇒ Object (readonly)

Returns the value of attribute exceptions.



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# File 'lib/Blog.rb', line 6

def exceptions
  @exceptions
end

#specified_file ⇒ Object (readonly)

Returns the value of attribute specified_file.



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# File 'lib/Blog.rb', line 6

def specified_file
  @specified_file
end

#unique_exception_types ⇒ Object (readonly)

Returns the value of attribute unique_exception_types.



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# File 'lib/Blog.rb', line 6

def unique_exception_types
  @unique_exception_types
end

#unique_files ⇒ Object (readonly)

Returns the value of attribute unique_files.



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# File 'lib/Blog.rb', line 6

def unique_files
  @unique_files
end

Class Method Details

.exceptions? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/Blog.rb', line 90

def self.exceptions?
  unless File.exist?(FILE)
    puts NO_EXCEPTIONS 
  else return true
  end
end

.generate_and_display_blog ⇒ Object 



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# File 'lib/Blog.rb', line 97

def self.generate_and_display_blog
  blog = self.new(ARGV[0])
  blog.display_blog
end

Instance Method Details

#count(type) ⇒ Object 



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# File 'lib/Blog.rb', line 22

def count(type) 
  exceptions.select { |exc| exc.type == type }.length
end

#display_blog ⇒ Object 



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# File 'lib/Blog.rb', line 72

def display_blog
  if legit_file?(specified_file)
    self.display_exceptions_for_file(specified_file) 
  elsif illegit_file?(specified_file)
    self.display_file_does_not_exist(specified_file)
  else 
    self.display_summary
  end
end

#display_exceptions_for_file(filename) ⇒ Object 



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# File 'lib/Blog.rb', line 49

def display_exceptions_for_file(filename)
  file_exceptions = read_exceptions_for_file(filename)
  file_exceptions.each do |exc| 
    display_file_header(filename)
    exc.display
  end
  display_file_trailer
end

#display_file_does_not_exist(file) ⇒ Object 



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# File 'lib/Blog.rb', line 68

def display_file_does_not_exist(file)
  puts "Sorry, #{file} is not a file in this folder."
end

#display_file_header(filename) ⇒ Object 



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# File 'lib/Blog.rb', line 58

def display_file_header(filename)
  puts "\n"
  puts "File: #{filename}"
  puts '-' * 15
end

#display_file_trailer ⇒ Object 



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# File 'lib/Blog.rb', line 64

def display_file_trailer
  puts '-' * 15
end

#display_summary ⇒ Object 



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# File 'lib/Blog.rb', line 40

def display_summary
  self.header
  self.folder_exceptions
end

#folder_exceptions ⇒ Object 



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# File 'lib/Blog.rb', line 31

def folder_exceptions
  unique_exception_types.each do |type|
    puts  "\n"
    puts "Exception Class: #{type}"
    puts "Total: #{self.count(type)}"
    puts "-" * 15
  end
end

#header ⇒ Object 



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# File 'lib/Blog.rb', line 26

def header
  system('clear')
  puts "Total Exceptions: #{count_and_files}"
end

#illegit_file?(file) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/Blog.rb', line 86

def illegit_file?(file)
  file && !File.exist?(file)
end

#legit_file?(file) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/Blog.rb', line 82

def legit_file?(file)
  file && File.exist?(file)
end

#read_exceptions_for_file(filename) ⇒ Object 



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# File 'lib/Blog.rb', line 45

def read_exceptions_for_file(filename)
  exceptions.select { |exc| exc.file == filename }
end