Class: Ingest::Feed

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

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Attribute Details

Returns the value of attribute copyright.



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# File 'lib/ingest/feed.rb', line 3

def copyright
  @copyright
end

#description ⇒ Object

Returns the value of attribute description.



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# File 'lib/ingest/feed.rb', line 3

def description
  @description
end

#etag ⇒ Object

Returns the value of attribute etag.



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# File 'lib/ingest/feed.rb', line 3

def etag
  @etag
end

#items ⇒ Object

Returns the value of attribute items.



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# File 'lib/ingest/feed.rb', line 3

def items
  @items
end

#itunes_author ⇒ Object

Returns the value of attribute itunes_author.



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# File 'lib/ingest/feed.rb', line 3

def itunes_author
  @itunes_author
end

#itunes_block ⇒ Object

Returns the value of attribute itunes_block.



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# File 'lib/ingest/feed.rb', line 3

def itunes_block
  @itunes_block
end

#itunes_categories ⇒ Object

Returns the value of attribute itunes_categories.



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# File 'lib/ingest/feed.rb', line 3

def itunes_categories
  @itunes_categories
end

#itunes_email ⇒ Object

Returns the value of attribute itunes_email.



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# File 'lib/ingest/feed.rb', line 3

def itunes_email
  @itunes_email
end

#itunes_explicit ⇒ Object

Returns the value of attribute itunes_explicit.



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# File 'lib/ingest/feed.rb', line 3

def itunes_explicit
  @itunes_explicit
end

#itunes_image ⇒ Object

Returns the value of attribute itunes_image.



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# File 'lib/ingest/feed.rb', line 3

def itunes_image
  @itunes_image
end

#itunes_keywords ⇒ Object

Returns the value of attribute itunes_keywords.



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# File 'lib/ingest/feed.rb', line 3

def itunes_keywords
  @itunes_keywords
end

#itunes_name ⇒ Object

Returns the value of attribute itunes_name.



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# File 'lib/ingest/feed.rb', line 3

def itunes_name
  @itunes_name
end

#itunes_new_feed_url ⇒ Object

Returns the value of attribute itunes_new_feed_url.



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# File 'lib/ingest/feed.rb', line 3

def itunes_new_feed_url
  @itunes_new_feed_url
end

#itunes_subtitle ⇒ Object

Returns the value of attribute itunes_subtitle.



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# File 'lib/ingest/feed.rb', line 3

def itunes_subtitle
  @itunes_subtitle
end

#itunes_summary ⇒ Object

Returns the value of attribute itunes_summary.



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# File 'lib/ingest/feed.rb', line 3

def itunes_summary
  @itunes_summary
end

#language ⇒ Object

Returns the value of attribute language.



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# File 'lib/ingest/feed.rb', line 3

def language
  @language
end

#last_modified ⇒ Object

Returns the value of attribute last_modified.



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# File 'lib/ingest/feed.rb', line 3

def last_modified
  @last_modified
end

#link ⇒ Object

Returns the value of attribute link.



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# File 'lib/ingest/feed.rb', line 3

def link
  @link
end

#managing_editor ⇒ Object

Returns the value of attribute managing_editor.



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# File 'lib/ingest/feed.rb', line 3

def managing_editor
  @managing_editor
end

#published_at ⇒ Object

Returns the value of attribute published_at.



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# File 'lib/ingest/feed.rb', line 3

def published_at
  @published_at
end

#title ⇒ Object

Returns the value of attribute title.



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# File 'lib/ingest/feed.rb', line 3

def title
  @title
end

Class Method Details

.fetch_and_parse(url) ⇒ Object

Fetches and parses an iTunes RSS feed based on the given URL. Returns a Feed



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# File 'lib/ingest/feed.rb', line 12

def self.fetch_and_parse(url)
  # Setup the content and etag variables
  content, etag = ''

  # Open the given URL and read the content and etag
  open(url, allow_redirections: :safe) do |source|
    content = source.read
    etag    = source.meta['etag']
  end
  
  # Parse the feed data
  rss = RSS::Parser.parse(content, false, false)

  # Create a new Feed
  feed = Ingest::Feed.new

  # Assign values from the parsed RSS
  feed.description          = rss.channel.description
  feed.etag                 = etag
  feed.itunes_author        = rss.channel.itunes_author
  feed.itunes_block         = rss.channel.itunes_block
  feed.itunes_explicit      = rss.channel.itunes_explicit
  feed.itunes_image         = rss.channel.itunes_image.href
  if rss.channel.itunes_keywords.present?
    feed.itunes_keywords    = rss.channel.itunes_keywords.join(',')
  end
  feed.itunes_new_feed_url  = rss.channel.itunes_new_feed_url
  if rss.channel.itunes_owner.present?
    feed.itunes_name          = rss.channel.itunes_owner.itunes_name
    feed.itunes_email         = rss.channel.itunes_owner.itunes_email
  end
  feed.itunes_subtitle      = rss.channel.itunes_subtitle
  feed.itunes_summary       = rss.channel.itunes_summary
  feed.language             = rss.channel.language
  feed.link                 = rss.channel.link
  feed.managing_editor      = rss.channel.managingEditor
  feed.published_at         = rss.channel.pubDate
  feed.title                = rss.channel.title

  # iTunes categories are special snowflakes
  feed.itunes_categories = {}
  rss.channel.itunes_categories.each do |category|
    # Set the sub-category to be nil
    sub_category = nil
    unless category.itunes_category.nil?
      # Set a sub_category
      sub_category = category.itunes_category.text
    end
    # Add a new element to the hash and assign its sub-category
    feed.itunes_categories[category.text] = sub_category
  end

  # Setup the Feed's items array
  feed.items = []

  # Loop through the parsed RSS feed's items
  rss.items.each do |item|
    # Create a new FeedItem for each item from the RSS feed
    feed_item = Ingest::FeedItem.new

    # Assign values based on the RSS feed item
    feed_item.author              = item.author
    feed_item.content             = item.content_encoded
    feed_item.description         = item.description
    if item.enclosure.present?
      feed_item.enclosure_length  = item.enclosure.length
      feed_item.enclosure_type    = item.enclosure.type
      feed_item.enclosure_url     = item.enclosure.url
    end
    if item.guid.present?
      feed_item.guid              = item.guid.content
    else
      feed_item.guid              = ""
    end
    feed_item.itunes_author       = item.itunes_author
    feed_item.itunes_block        = item.itunes_block
    feed_item.itunes_explicit     = item.itunes_explicit
    feed_item.itunes_subtitle     = item.itunes_subtitle
    feed_item.itunes_summary      = item.itunes_summary
    feed_item.link                = item.link
    feed_item.published_at        = item.pubDate
    feed_item.title               = item.title
    if item.itunes_duration.present?
      feed_item.itunes_duration   = item.itunes_duration.content.to_s
    end
    if item.itunes_keywords.present?
      feed_item.itunes_keywords   = item.itunes_keywords.join(',')
    end

    # Put the FeedItem into the Feed's items array
    feed.items << feed_item
  end

  # Return the Feed
  return feed
end