Class: Section

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/coursegen/course/data/section.rb

Direct Known Subclasses

Lectures

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(sect, citems, collapsed) ⇒ Section

Returns a new instance of Section.



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# File 'lib/coursegen/course/data/section.rb', line 9

def initialize(sect, citems, collapsed)
  @section = sect
  @collapsed = collapsed
  @citems = section_filter(citems)
  sort_pages
end

Instance Attribute Details

#section ⇒ Object (readonly)

Returns the value of attribute section.



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# File 'lib/coursegen/course/data/section.rb', line 6

def section
  @section
end

Instance Method Details

#[](ind) ⇒ Object 



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# File 'lib/coursegen/course/data/section.rb', line 27

def [](ind)
  @citems[ind]
end

#collapsed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/coursegen/course/data/section.rb', line 54

def collapsed?
  @collapsed
end

#find_by_short_name(sname) ⇒ Object

Raises:

  • (RuntimeError) 


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# File 'lib/coursegen/course/data/section.rb', line 20

def find_by_short_name(sname)
  matches = @citems.select { |c| sname == c.short_name }
  raise RuntimeError, "'#{sname}': invalid reference in section \"#{@section}\"" if matches.length == 0
  raise RuntimeError, "'#{sname}': duplicate referenced in section \"#{@section}\"" if matches.length != 1
  matches[0]
end

#find_index(citem) ⇒ Object 



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# File 'lib/coursegen/course/data/section.rb', line 16

def find_index(citem)
  @citems.find_index(citem)
end

#has_lecture_numbers? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/coursegen/course/data/section.rb', line 50

def has_lecture_numbers?
  false
end

#has_subsections? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/coursegen/course/data/section.rb', line 46

def has_subsections?
  false
end

#next_for(citem) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/coursegen/course/data/section.rb', line 31

def next_for(citem)
  index = @citems.find_index(citem)
  raise ArgumentError, "invalid citem in next_for" if index.nil?
  new_index = [index, @citems.length - 2].min
  @citems[new_index + 1]
end

#previous_for(citem) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/coursegen/course/data/section.rb', line 38

def previous_for(citem)
  index = @citems.find_index(citem)
  byebug if index.nil?
  raise ArgumentError, "invalid citem in previous_for" if index.nil?
  new_index = [index, 1].max
  @citems[new_index - 1]
end