Class: TADB::Table

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

Instance Method Summary collapse

Constructor Details

#initialize(name, clear_if_content = false) ⇒ Table

Returns a new instance of Table.



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# File 'lib/tadb/table.rb', line 6

def initialize(name, clear_if_content = false)
  @name = name
  clear_file_contents if clear_if_content
end

Instance Method Details

#clear ⇒ Object 



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# File 'lib/tadb/table.rb', line 41

def clear
  File.open(db_path, 'w') do |f|
    f.sync = true
  end
end

#delete(id) ⇒ Object 



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# File 'lib/tadb/table.rb', line 31

def delete(id)
  remaining = entries.reject {|entry| entry[:id] === id}

  file('w') do |f|
    remaining.each do |entry|
      f.puts(JSON.generate(entry))
    end
  end
end

#entries ⇒ Object 



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# File 'lib/tadb/table.rb', line 11

def entries
  file('r') do |f|
    f.readlines.map do |line|
      JSON.parse(line, symbolize_names: true)
    end
  end
end

#insert(_entry) ⇒ Object 



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# File 'lib/tadb/table.rb', line 19

def insert(_entry)
  entry = _entry.clone
  entry[:id] ||= SecureRandom.uuid

  validate_types(entry)

  file('a') do |f|
    f.puts(JSON.generate(entry))
  end
  entry[:id]
end