def get_hot_items(srs, item_type, src):
"""Get hot links from specified srs."""
hot_srs = {sr._id: sr for sr in srs} # for looking up sr by id
hot_link_fullnames = normalized_hot([sr._id for sr in srs])
hot_links = Link._by_fullname(hot_link_fullnames, return_dict=False)
hot_items = []
for l in hot_links:
hot_items.append(ExploreItem(item_type, src, hot_srs[l.sr_id], l))
return hot_items
def get_rising_items(omit_sr_ids, count=4):
"""Get links that are rising right now."""
all_rising = rising.get_all_rising()
candidate_sr_ids = {sr_id for link, score, sr_id in all_rising}.difference(omit_sr_ids)
link_fullnames = [link for link, score, sr_id in all_rising if sr_id in candidate_sr_ids]
link_fullnames_to_show = random_sample(link_fullnames, count)
rising_links = Link._by_fullname(link_fullnames_to_show,
return_dict=False,
data=True)
rising_items = [ExploreItem(TYPE_RISING, 'ris', Subreddit._byID(l.sr_id), l)
for l in rising_links]
return rising_items
def get_comment_items(srs, src, count=4):
"""Get hot links from srs, plus top comment from each link."""
link_fullnames = normalized_hot([sr._id for sr in srs])
hot_links = Link._by_fullname(link_fullnames[:count], return_dict=False)
top_comments = []
for link in hot_links:
builder = CommentBuilder(link,
operators.desc('_confidence'),
comment=None,
context=None,
load_more=False)
listing = NestedListing(builder, num=1,
parent_name=link._fullname).listing()
top_comments.extend(listing.things)
srs = Subreddit._byID([com.sr_id for com in top_comments])
links = Link._byID([com.link_id for com in top_comments])
comment_items = [
ExploreItem(TYPE_COMMENT, src, srs[com.sr_id], links[com.link_id], com)
for com in top_comments
]
return comment_items