Class: Vnews::Display

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

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Display

Returns a new instance of Display.



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# File 'lib/vnews/display.rb', line 8

def initialize
  @sqliteclient = Vnews.sql_client
  @window_width = 140
end

Class Method Details

.strip_item_count(folder) ⇒ Object 



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# File 'lib/vnews/display.rb', line 95

def self.strip_item_count(folder)
  folder.gsub(/\(\d+\)$/, '').strip
end

Instance Method Details

#cat_items(*guids) ⇒ Object 



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# File 'lib/vnews/display.rb', line 155

def cat_items(*guids)
  text = guids.map do |guid|
    show_item(guid, 0) 
  end.join( "\n+" + ('-' * 78) + "+\n" )
end

#col(string, width) ⇒ Object

returns items as a list, most recent first e.g. 96: Git on Rails”, “guid”=>“git-on-rails”, “feed”=>“feeds.feedburner.com/railscasts”, “feed_title”=>“Railscasts”, “pub_date”=>2008-03-10 00:00:00 -0400, “word_count”=>41



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# File 'lib/vnews/display.rb', line 39

def col(string, width)
  return unless string
  string[0,width].ljust(width)
end

#delete_items(*guids) ⇒ Object 



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# File 'lib/vnews/display.rb', line 142

def delete_items(*guids)
  guids.each do |guid|
    @sqliteclient.delete_item guid
  end
end

#feed_items(*feed_selection) ⇒ Object

look up feed up idx



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# File 'lib/vnews/display.rb', line 87

def feed_items(*feed_selection)
  window_width = feed_selection[0]
  feed_title = feed_selection[1].split(' ')[0..-2].join(' ') 
  @sqliteclient.feed_items(feed_title).map do |x|
    format_item_summary x, window_width
  end
end

#feeds(order) ⇒ Object

returns feeds as a list, sorted alphabetically e.g. “feed_url”=>“bits.blogs.nytimes.com/feed/”, “link”=>“bits.blogs.nytimes.com/”



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# File 'lib/vnews/display.rb', line 25

def feeds(order)
  # '0' is alphabetical, '1' is most popular first
  @sqliteclient.feeds(order.to_i).map.with_index do |x, idx|
    "#{ x['title'] } (#{x['item_count']})"
  end
end

#folder_items(window_width, folder) ⇒ Object 



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# File 'lib/vnews/display.rb', line 99

def folder_items(window_width, folder)
  # strip off the count summary
  folder = self.class.strip_item_count(folder)
  @sqliteclient.folder_items(folder).map do |x|
    format_item_summary x, window_width
  end
end

#folders ⇒ Object

returns folders as a list



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# File 'lib/vnews/display.rb', line 14

def folders
  @sqliteclient.folders.map do |x|
    "#{x["folder"]} (#{x['count']})"
  end.join("\n")
end

#format_date(d) ⇒ Object 



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# File 'lib/vnews/display.rb', line 44

def format_date(d)
  if d.nil?
    "no date"
  elsif d.year != Time.now.year
    d.strftime("%b %Y")
  elsif d.to_date >= Time.now.to_date
    d.strftime("%I:%M%P")
  else
    d.strftime("%b %d")
  end 
end

#format_item(item) ⇒ Object 



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# File 'lib/vnews/display.rb', line 107

def format_item(item)
  res = <<-END
#{item['feed']}
#{item['feed_title']}
#{format_long_date item['pub_date']}  #{item['word_count']} words
 

#{item['title']}#{item['author'] ? ("\n" + item['author']) : '' }  

#{item['text']}

---
#{item['link']}

  END
end

#format_item_summary(i, width) ⇒ Object 



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# File 'lib/vnews/display.rb', line 65

def format_item_summary(i, width)
  varwidth = width.to_i - 35
  feed_title = col i['feed_title'], varwidth * 0.25
  raw_title = i['title'].gsub(/[\n\r\t]/,' ')
  title = if i['score'] # search result 
            width = varwidth * 0.75
            "#{col(raw_title, (width - 6))} | #{"%.3s" % i['score']}"
          else
            col raw_title, varwidth * 0.75
          end
  word_count = i['word_count'].to_s.rjust(6)

  date = format_date(i['pub_date']).rjust(8) 
  spacer = " " * 20 # to push guid all the way off screen
  guid = i['guid']

  flag = i['unread'] == 1 ? '+' : ' '
  flag = i['starred'] == 1 ? '*' : flag
  "%s | %s | %s | %s | %s | %s | %s" % [flag, feed_title, title, word_count, date, spacer, guid]
end

#format_long_date(d) ⇒ Object

for item display



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# File 'lib/vnews/display.rb', line 57

def format_long_date(d)
  if d.nil?
    "[no date]"
  else
    d.strftime("%a %m/%d/%Y at %I:%M%p %Z") 
  end
end

#search_items(window_width, term) ⇒ Object 



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# File 'lib/vnews/display.rb', line 148

def search_items(window_width, term)
  res = @sqliteclient.search_items(term).map do |x|
    format_item_summary x, window_width
  end
  res.empty? ? "No matches" : res
end

#show_item(guid, increment_read_count = false) ⇒ Object 



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# File 'lib/vnews/display.rb', line 124

def show_item(guid, increment_read_count=false)
  inc_read_count = increment_read_count == '1' 
  res = @sqliteclient.show_item(guid.strip, inc_read_count).first
  if res
    format_item(res)
  else
    "No item found"
  end
end

#star_item(guid) ⇒ Object 



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# File 'lib/vnews/display.rb', line 134

def star_item(guid)
  @sqliteclient.star_item guid, true
end

#unstar_item(guid) ⇒ Object 



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# File 'lib/vnews/display.rb', line 138

def unstar_item(guid)
  @sqliteclient.star_item guid, false
end