Class: Pluto::Model::Feed

Inherits:
ActiveRecord::Base
  • Object
show all
Includes:
ActiveRecordMethods
Defined in:
lib/pluto/models/feed.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods included from ActiveRecordMethods

#read_attribute_w_fallbacks

Class Method Details

.latest ⇒ Object 



17
18
19
20
21
22
23
24
 
# File 'lib/pluto/models/feed.rb', line 17

def self.latest
  # note: order by first non-null datetime field
  #   coalesce - supported by sqlite (yes), postgres (yes)

  # note: if not published, touched or built use hardcoded 1971-01-01 for now
  ## order( "coalesce(published,touched,built,'1971-01-01') desc" )
  order( "coalesce(feeds.last_published,'1971-01-01') desc" )
end

Instance Method Details

#debug=(value) ⇒ Object 



63
 
# File 'lib/pluto/models/feed.rb', line 63

def debug=(value)  @debug = value;   end

#debug? ⇒ Boolean

Returns:

  • (Boolean) 


64
 
# File 'lib/pluto/models/feed.rb', line 64

def debug?()       @debug || false;  end

#description ⇒ Object

alias for summary – also add descr shortcut??



32
 
# File 'lib/pluto/models/feed.rb', line 32

def description() summary;  end

#feed ⇒ Object

alias for feed_url



34
 
# File 'lib/pluto/models/feed.rb', line 34

def feed()        feed_url; end

#feed_url ⇒ Object 



44
 
# File 'lib/pluto/models/feed.rb', line 44

def feed_url() read_attribute_w_fallbacks( :feed_url, :auto_feed_url ); end

#feed_url? ⇒ Boolean

Returns:

  • (Boolean) 


39
 
# File 'lib/pluto/models/feed.rb', line 39

def feed_url?()      read_attribute(:feed_url).present?;  end

#link ⇒ Object

alias for url



33
 
# File 'lib/pluto/models/feed.rb', line 33

def link()        url;      end

#name ⇒ Object

attribute reader aliases

todo: check if we can use alias_method :name, :title   - works for non-existing/on-demand-generated method too??



31
 
# File 'lib/pluto/models/feed.rb', line 31

def name()        title;    end

#published ⇒ Object 



51
52
53
54
55
56
57
58
59
60
 
# File 'lib/pluto/models/feed.rb', line 51

def published
  ## todo/fix: use a new name - do NOT squeeze convenience lookup into existing
  #    db backed attribute

  read_attribute_w_fallbacks(
     :published,  
     :touched,     # try touched (aka updated (ATOM))
     :built        # try build (aka lastBuildDate (RSS))
  )
end

#published? ⇒ Boolean

Returns:

  • (Boolean) 


47
 
# File 'lib/pluto/models/feed.rb', line 47

def published?()  read_attribute(:published).present?;  end

#save_from_struct!(data) ⇒ Object 



66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
 
# File 'lib/pluto/models/feed.rb', line 66

def save_from_struct!( data )

  update_from_struct!( data )
  
  data.items.each do |item|

    item_rec = Item.find_by_guid( item.guid )
    if item_rec.nil?
      item_rec  = Item.new
      puts "** NEW | #{item.title}"
    else
      ## todo: check if any attribs changed
      puts "UPDATE | #{item.title}"
    end
    
    item_rec.debug = debug? ? true : false  # pass along debug flag
    item_rec.update_from_struct!( self, item )

  end  # each item
end

#title ⇒ Object 



42
 
# File 'lib/pluto/models/feed.rb', line 42

def title()    read_attribute_w_fallbacks( :title,    :auto_title );    end

#title2 ⇒ Object 



43
 
# File 'lib/pluto/models/feed.rb', line 43

def title2()   read_attribute_w_fallbacks( :title2,   :auto_title2 );   end

#title2? ⇒ Boolean

Returns:

  • (Boolean) 


38
 
# File 'lib/pluto/models/feed.rb', line 38

def title2?()        read_attribute(:title2).present?;    end

#title? ⇒ Boolean

Returns:

  • (Boolean) 


37
 
# File 'lib/pluto/models/feed.rb', line 37

def title?()         read_attribute(:title).present?;     end

#touched? ⇒ Boolean

Returns:

  • (Boolean) 


48
 
# File 'lib/pluto/models/feed.rb', line 48

def touched?()    read_attribute(:touched).present?;    end

#update_from_struct!(data) ⇒ Object 



88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
 
# File 'lib/pluto/models/feed.rb', line 88

def update_from_struct!( data )

  ## todo: move to FeedUtils::Feed ??? why? why not??
  if data.generator
    generator_full = ''
    generator_full << data.generator
    generator_full << " @version=#{data.generator_version}"   if data.generator_version
    generator_full << " @uri=#{data.generator_uri}"           if data.generator_uri
  else
    generator_full = nil
  end

  feed_attribs = {
      format:       data.format,
      published:    data.published,
      touched:      data.updated,
      built:        data.built,
      summary:      data.summary,
      ### todo/fix: add/use
      # auto_title:     ???,
      # auto_url:       ???,
      # auto_feed_url:  ???,
      auto_title2:  data.title2,
      generator:    generator_full
    }

  if debug?
      ## puts "*** dump feed_attribs:"
      ## pp feed_attribs
      puts "*** dump feed_attribs w/ class types:"
      feed_attribs.each do |key,value|
        puts "  #{key}: >#{value}< : #{value.class.name}"
      end
  end

  update_attributes!( feed_attribs )
end

#url ⇒ Object 



41
 
# File 'lib/pluto/models/feed.rb', line 41

def url()      read_attribute_w_fallbacks( :url,      :auto_url );      end

#url? ⇒ Boolean

Returns:

  • (Boolean) 


36
 
# File 'lib/pluto/models/feed.rb', line 36

def url?()           read_attribute(:url).present?;       end