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673 tags filtering #705

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merged 3 commits into from
Jan 5, 2017
Merged

673 tags filtering #705

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c01cd25
Filter universal tag from reported tags and then filter by safe for w…
Dec 8, 2016
7b8527e
Update filtering #273
Dec 9, 2016
1ec35ca
Revert automatic filtering of down voted content. #673
Dec 15, 2016
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31 changes: 15 additions & 16 deletions libraries/plugins/tags/tags_plugin.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -189,31 +189,30 @@ struct operation_visitor {
}

set< string > lower_tags;
if( c.category != "" )
meta.tags.insert( fc::to_lower( to_string( c.category ) ) );

uint8_t tag_limit = 5;
uint8_t count = 0;
for( const auto& tag : meta.tags )
{
++count;
if( count > tag_limit || lower_tags.size() > tag_limit )
break;
if( tag == "" )
continue;
lower_tags.insert( fc::to_lower( tag ) );
}

lower_tags.insert( fc::to_lower( to_string( c.category ) ) );


bool safe_for_work = false;
/// the universal tag applies to everything safe for work or nsfw with a positive payout
/// the universal tag applies to everything safe for work or nsfw with a non-negative payout
if( c.net_rshares >= 0 ||
(lower_tags.find( "spam" ) == lower_tags.end() &&
lower_tags.find( "nsfw" ) == lower_tags.end() &&
lower_tags.find( "test" ) == lower_tags.end() ) )
(lower_tags.find( "spam" ) == lower_tags.end() &&
lower_tags.find( "test" ) == lower_tags.end() ) )
{
safe_for_work = true;
lower_tags.insert( string() ); /// add it to the universal tag
}

meta.tags = lower_tags; /// TODO: std::move???
if( meta.tags.size() > 5 ) {
//wlog( "ignoring post ${a} because it has ${n} tags",("a", c.author + "/"+c.permlink)("n",meta.tags.size()));
if( safe_for_work )
meta.tags = set< string >( {"", to_string( c.parent_permlink ) } );
else
meta.tags.clear();
}


const auto& comment_idx = _db.get_index< tag_index >().indices().get< by_comment >();
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