Class: FeedParser::RssFeedBuilder
- Inherits:
-
Object
- Object
- FeedParser::RssFeedBuilder
- Includes:
- LogUtils::Logging
- Defined in:
- lib/feedparser/builder/rss.rb
Overview
todo/fix:
rename to Rss20FeedBuilder?? or FeedBuilderRss20 ??
Class Method Summary collapse
Instance Method Summary collapse
- #build_author_from_dublic_core_creator(dc_creator) ⇒ Object
- #build_feed(rss_feed) ⇒ Object
- #build_item(rss_item) ⇒ Object
- #build_tag(rss_cat) ⇒ Object
- #handle_content(el, name) ⇒ Object
- #handle_date(el, name) ⇒ Object
-
#initialize(rss_feed) ⇒ RssFeedBuilder
constructor
A new instance of RssFeedBuilder.
- #to_feed ⇒ Object
Constructor Details
#initialize(rss_feed) ⇒ RssFeedBuilder
Returns a new instance of RssFeedBuilder.
18 19 20 |
# File 'lib/feedparser/builder/rss.rb', line 18 def initialize( rss_feed ) @feed = build_feed( rss_feed ) end |
Class Method Details
.build(rss_feed) ⇒ Object
13 14 15 16 |
# File 'lib/feedparser/builder/rss.rb', line 13 def self.build( rss_feed ) feed = self.new( rss_feed ) feed.to_feed end |
Instance Method Details
#build_author_from_dublic_core_creator(dc_creator) ⇒ Object
94 95 96 97 98 99 |
# File 'lib/feedparser/builder/rss.rb', line 94 def ( dc_creator ) = Author.new .text = dc_creator.strip .name = .text # note: for now use "unparsed" creator line also for name (may change in the future!!!) end |
#build_feed(rss_feed) ⇒ Object
28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 |
# File 'lib/feedparser/builder/rss.rb', line 28 def build_feed( rss_feed ) feed = Feed.new feed.format = "rss #{rss_feed.rss_version}" logger.debug " rss | feed.version >#{rss_feed.rss_version}<" feed.title = handle_content( rss_feed.channel.title, 'feed.title' ) # required feed.summary = handle_content( rss_feed.channel.description, 'feed.description => summary' ) # required feed.url = rss_feed.channel.link # required feed.updated_local = handle_date( rss_feed.channel.lastBuildDate, 'feed.lastBuildDate => updated' ) # optional feed.updated = feed.updated_local.utc if feed.updated_local feed.published_local = handle_date( rss_feed.channel.pubDate, 'feed.pubDate => published' ) # optional feed.published = feed.published_local.utc if feed.published_local logger.debug " rss | feed.generator >#{rss_feed.channel.generator}< : #{rss_feed.channel.generator.class.name}" feed.generator.text = rss_feed.channel.generator # optional feed.generator.name = feed.generator.text ## note: for now set also name/title to "unparsed" (content) line (may change in the future!!!) ## check for managingEditor and/or webMaster if rss_feed.channel.managingEditor = Author.new .text = rss_feed.channel.managingEditor.strip .name = .text ## note: for now use "unparsed" (content) line also for name feed. << end ## todo/check - if tag is called webmaster or webMaster ??? if rss_feed.channel.webMaster = Author.new .text = rss_feed.channel.webMaster.strip .name = .text ## note: for now use "unparsed" (content) line also for name feed. << end ## check for dublin core (dc) metadata if rss_feed.channel.dc_creator ## note: dc_creator wipes out authors if set with rss tag(s) = [] << ( rss_feed.channel.dc_creator ) feed. = end ### check for categories (tags) rss_feed.channel.categories.each do |rss_cat| feed. << build_tag( rss_cat ) end rss_feed.items.each do |rss_item| feed.items << build_item( rss_item ) end feed # return new feed end |
#build_item(rss_item) ⇒ Object
117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 |
# File 'lib/feedparser/builder/rss.rb', line 117 def build_item( rss_item ) item = Item.new item.title = handle_content( rss_item.title, 'item.title' ) item.url = rss_item.link logger.debug " rss | item.link >#{rss_item.link}< : #{rss_item.link.class.name}" ## todo: ## check if feedburner:origLink present - if yes, use it for url/link ## example: use ## - <feedburner:origLink>http://www.rubyflow.com/items/9803-gotta-ruby-s-syntax</feedburner:origLink></item> ## instead of ## - <link>http://feedproxy.google.com/~r/Rubyflow/~3/Ym9Sltg_2_c/9803-gotta-ruby-s-syntax</link> item.summary = handle_content( rss_item.description, 'item.description => summary' ) # check for <content:encoded> # -- using RSS 1.0 content module in RSS 2.0 item.content = rss_item.content_encoded logger.debug " rss | item.content_encoded[0..40] >#{rss_item.content_encoded ? rss_item.content_encoded[0..40] : ''}< : #{rss_item.content_encoded.class.name}" item.published_local = handle_date( rss_item.pubDate, 'item.pubDate => published' ) item.published = item.published_local.utc if item.published_local ## fix/todo: check if rss_item.guid present? !!!! ## ## might be the case e.g. check lambda-the-ultimate.org, for example if rss_item.guid && rss_item.guid.content item.guid = rss_item.guid.content logger.debug " rss | item.guid.content >#{rss_item.guid.content}< : #{rss_item.guid.content.class.name}" else item.guid = rss_item.link logger.warn " rss | item.guid.content missing !!!! - using link for guid" end if rss_item. = Author.new .text = rss_item..strip .name = .text ## note: for now use "unparsed" (content) line also for name item. << end ## check for dublin core (dc) metadata if rss_item.dc_creator ## note: dc_creator wipes out authors if set with rss tag(s) = [] << ( rss_item.dc_creator ) item. = end ### check for categories (tags) rss_item.categories.each do |rss_cat| item. << build_tag( rss_cat ) end ## check for enclosure ## todo/check: rss can only include at most one enclosure? if rss_item.enclosure = Attachment.new .url = rss_item.enclosure.url .length = rss_item.enclosure.length .type = rss_item.enclosure.type item. << end item end |
#build_tag(rss_cat) ⇒ Object
103 104 105 106 107 108 109 110 111 112 113 |
# File 'lib/feedparser/builder/rss.rb', line 103 def build_tag( rss_cat ) ## pp rss_cat tag = Tag.new ## note: always strip leading n trailing spaces ## and add if preset (not blank/empty e.g. not nil or "") tag.name = rss_cat.content.strip if rss_cat.content tag.domain = rss_cat.domain.strip if rss_cat.domain tag end |
#handle_content(el, name) ⇒ Object
226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 |
# File 'lib/feedparser/builder/rss.rb', line 226 def handle_content( el, name ) ## note: # use for feed.title, feed.description # item.title, item.description # # do NOT use for others e.g. feed.generator, etc. ## todo/fix: strip html tags n attributes ??? logger.debug " rss | #{name} >#{el}< : #{el.class.name}" text = if el.nil? nil else el.strip end text end |
#handle_date(el, name) ⇒ Object
201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 |
# File 'lib/feedparser/builder/rss.rb', line 201 def handle_date( el, name ) ## change time to utc if present? why? why not? # -- .utc.strftime( "%Y-%m-%d %H:%M" ) # NOTE: # All date-times in RSS conform # to the Date and Time Specification of RFC 822 # e.g. Sun, 19 May 2012 15:21:36 GMT or # Sat, 07 Sep 2013 00:00:01 GMT ## convert from time to to_datetime (avoid errors on windows w/ builtin rss lib) logger.debug " rss | #{name} >#{el}< : #{el.class.name}" ## convert from time to to_datetime (avoid errors on windows w/ builtin rss lib) date = if el.nil? nil else el.to_datetime end date end |
#to_feed ⇒ Object
22 23 24 |
# File 'lib/feedparser/builder/rss.rb', line 22 def to_feed @feed end |