| 1 | from nevow.rend import Page |
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| 2 | from nevow.inevow import IRequest |
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| 3 | |
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| 4 | from eridanus.atom import tostring, Feed, Entry, Link, Author, Content, E |
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| 5 | |
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| 6 | |
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| 7 | class FeedPage(Page): |
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| 8 | maxItems = 50 |
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| 9 | feedId = None |
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| 10 | |
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| 11 | def __init__(self): |
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| 12 | super(FeedPage, self).__init__() |
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| 13 | |
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| 14 | def getFeed(self): |
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| 15 | raise NotImplementedError() |
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| 16 | |
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| 17 | def renderHTTP(self, ctx): |
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| 18 | req = IRequest(ctx) |
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| 19 | req.setHeader('Content-Type', 'application/atom+xml') |
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| 20 | data = tostring(self.getFeed().serialize()) |
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| 21 | req.write(data) |
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| 22 | return '' |
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| 23 | |
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| 24 | |
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| 25 | class ChannelFeed(FeedPage): |
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| 26 | feedId = 'http://linkdb.slipgate.za.net/' |
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| 27 | |
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| 28 | def __init__(self, manager, **kw): |
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| 29 | super(ChannelFeed, self).__init__(**kw) |
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| 30 | self.manager = manager |
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| 31 | |
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| 32 | def entryContent(self, entry): |
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| 33 | initialComment = entry.initialComment |
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| 34 | if initialComment is not None: |
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| 35 | initialComment = E('span')[u' \u2013 \u201c%s\u201d' % (entry.initialComment.comment,)] |
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| 36 | |
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| 37 | comments = entry.comments |
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| 38 | if comments is not None: |
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| 39 | comments = E('ul')[ |
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| 40 | [E('li')[u'\u201c%s\u201d \u2013 %s' % (c.comment, c.nick)] for c in comments]] |
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| 41 | |
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| 42 | network = self.manager.config.service.serviceID |
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| 43 | channel = entry.channel.strip('#') |
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| 44 | href = '/Eridanus/%s/%s/%s' % (network, channel, entry.eid) |
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| 45 | |
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| 46 | return E('div', xmlns='http://www.w3.org/1999/xhtml')[ |
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| 47 | E('a', href=href)['#%s' % (entry.eid,)], |
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| 48 | E('span')[u': Posted by %s.' % (entry.nick,)], |
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| 49 | initialComment, |
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| 50 | comments] |
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| 51 | |
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| 52 | |
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| 53 | def entryFromEntry(self, entry): |
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| 54 | content = self.entryContent(entry) |
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| 55 | return Entry(id=unicode(entry.eid), |
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| 56 | title=entry.displayTitle, |
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| 57 | updated=entry.modified, |
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| 58 | links=[Link(rel='alternate', href=entry.url)], |
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| 59 | authors=[Author(name=entry.nick)], |
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| 60 | content=Content(content, type='xhtml')) |
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| 61 | |
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| 62 | def getFeed(self): |
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| 63 | entries = list(self.manager.getEntries(limit=self.maxItems)) |
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| 64 | atomEntries = (self.entryFromEntry(e) for e in entries) |
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| 65 | |
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| 66 | title = u'%s links' % (self.manager.channel,) |
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| 67 | href = '/Eridanus/feeds/%s' % (self.manager.channel.strip('#'),) |
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| 68 | return Feed(id=self.feedId, |
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| 69 | title=title, |
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| 70 | updated=entries[0].modified, |
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| 71 | links=[Link(rel='self', href=href)], |
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| 72 | entries=atomEntries) |
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