From 192abb9db60f95968953b515ce18700c6b2da090 Mon Sep 17 00:00:00 2001
From: Jules Laplace <julescarbon@gmail.com>
Date: Fri, 8 Dec 2017 02:52:19 +0100
Subject: snippets and middleware

---
 lib/search/index.js   | 110 --------------------------------------------------
 lib/search/snippet.js | 103 ----------------------------------------------
 2 files changed, 213 deletions(-)
 delete mode 100644 lib/search/index.js
 delete mode 100644 lib/search/snippet.js

(limited to 'lib')

diff --git a/lib/search/index.js b/lib/search/index.js
deleted file mode 100644
index 27f436f..0000000
--- a/lib/search/index.js
+++ /dev/null
@@ -1,110 +0,0 @@
-var db = require('../db')
-var bdb_lib = require('berkeleydb')
-var bdb = new bdb_lib.Db()
-bdb.open('search.db')
-
-var wordRegexp = new RegExp("(\W+)");
-var wordBoundaryRegexp = new RegExp("\W");
-function parse_terms (s) {
-  return s.toLowerCase().split(wordRegexp).filter((term) => {
-	  if (! term.match(wordBoundaryRegexp)) {
-	    return true
-	  }
-	  return false
-	})
-}
-function cmp (a,b){ return (a<b)?a:(a===b)?0:1 }
-
-var STOPWORDS = new Set(
-  "a about above across adj after again against all almost alone along also " +
-  "although always am among an and another any anybody anyone anything anywhere " +
-  "apart are around as aside at away be because been before behind being below " +
-  "besides between beyond both but by can cannot could did do does doing done " +
-  "down downwards during each either else enough etc even ever every everybody " +
-  "everyone except far few for forth from get gets got had hardly has have having " +
-  "her here herself him himself his how however i if in indeed instead into inward " +
-  "is it its itself just kept many maybe might mine more most mostly much must " +
-  "myself near neither next no nobody none nor not nothing nowhere of off often on " +
-  "only onto or other others ought our ours out outside over own p per please plus " +
-  "pp quite rather really said seem self selves several shall she should since so " +
-  "some somebody somewhat still such than that the their theirs them themselves " +
-  "then there therefore these they this thorough thoroughly those through thus to " +
-  "together too toward towards under until up upon v very was well were what " +
-  "whatever when whenever where whether which while who whom whose will with" +
-  "within without would yet young your yourself s".split(" ")
-);
-
-function find_term(term) {
-  var matches = bdb.get(term).split(",").map((s) => {
-    var partz = s.split(" ")
-    var match = {
-      thread: s[0],
-      comment: s[1],
-      file: s[2],
-      strength: s[3],
-    }
-  })
-  return matches
-}
-
-function search (query, start, limit) {
-  if (!query) return
-	start = start || 0;
-	limit = limit || 10;
-	var scores = {};
-	var terms = parse_terms($query);
-  var i = 0
-  var total
-  var to_display = limit
-  var threads = {}
-  var comment_ids = []
-  var file_ids = []
-  var results = []
-
-  terms.forEach((term) => {
-    if (STOPWORDS.has(term)) return;
-    var results = find_term(term);
-    if (!results) return;
-    results.forEach((result) => {
-      var score = scores[result.thread] = scores[result.thread] || { count: 0, strength: 0 }
-      score.thread = score.thread || result.thread
-      score.comment = score.comment || result.comment
-      score.file = score.file || result.file
-      score.strength += result.strength
-      score.count += 1
-    })
-  })
-  total = Object.keys(scores).length
-  Object.values(scores).sort((a,b) => {
-    if (b.count !== a.count) {
-      return cmp(b.count, a.count)
-    }
-    return cmp(b.strength * b.count, a.strength * a.count)
-  }).some((match) => {
-    if (i++ < start) return false
-    if (to_display-- === 0) return true
-    results.push(match)
-    thread_ids.push(match.thread)
-    if (match.comment) comment_ids.push(match.comment)
-    if (match.file) file_ids.push(match.file)
-    return false
-  })
-  
-  db.storeQuery(query, total)
-  
-	my $files = $self->files_by_id($files_to_get);
-	my $comments = $self->comments_by_id($comments_to_get);
-	$self->log_query($query, $total);
-  return {
-		start => $start + $limit,
-		limit => $limit,
-    total => $total,
-    results => $results,
-		threads => $threads,
-		comments => $comments,
-		files => $files,
-		terms => $terms,
-  };
-}
-
-module.exports = { search: search }
diff --git a/lib/search/snippet.js b/lib/search/snippet.js
deleted file mode 100644
index de71911..0000000
--- a/lib/search/snippet.js
+++ /dev/null
@@ -1,103 +0,0 @@
-var util = require('../util/util')
-
-function bold_terms (s, terms) {
-  
-}
-sub bold_terms
-	{
-	my ($self, $string, $terms) = @_;
-	$string = $self->strip_html($string);
-	foreach my $term (@$terms)
-		{
-		$string =~ s/\b($term)\b/<b>$1<\/b>/gi;
-		}
-	return $string;
-	}
-sub bold_snippet
-	{
-	my ($self, $string, $terms) = @_;
-	my $snippet = $self->snippet($string, $terms);
-	return $self->bold_terms($snippet, $terms);
-	}
-sub snippet
-	{
-	my ($self, $string, $terms) = @_;
-
-	# clean up the string we got
-	$string = $self->strip_html($string);
-
-	# create a regex out of the search terms
-	my $term_re = join "|", @$terms;
-
-	# take the string to be snippetized and split it into words
-	my @words = split /\s+/, $string;
-
-	# deduper for matching @words indexes, so we don't add a word twice
-	my $index_matches = {};
-
-	# words in the eventual snippet
-	my @words_matched;
-
-	# the snippet itself
-	my $snippet = '';
-
-	# counter for aggregating context after a match
-	my $aggr = 0;
-
-	# amount of context to show, in number of words surrounding a match
-	my $pad = 4;
-
-	# loop over each of the words in the string
-	for (my $i = 0; $i < scalar @words; $i++)
-		{
-		# does this word contain a match?
-		if ($words[$i] =~ /\b($term_re)\b/i && ! $self->is_stopword($1))
-			{
-			# if we aren't already aggregating, add an ellipsis
-			if (! $aggr)
-				{
-				push @words_matched, "...";
-				}
-			# look backward $pad words
-			for (my $j = -$pad; $j < 1; $j++)
-				{
-				# create a new index from the offset
-				my $idx = $i + $j;
-
-				# is this a valid index? has it already been encountered?
-				next if $idx < 0;
-				next if $idx > scalar @words;
-				next if exists $index_matches->{$i+$j};
-
-				# checks out, save this word
-				push @words_matched, $words[$i+$j];
-
-				# note the matching index in our deduper
-				$index_matches->{$i+$j} ++;
-				}
-			# enter aggregate mode -- add the next $pad words
-			$aggr = $pad;
-			}
-		# have we been told to aggregate?
-		elsif ($aggr)
-			{
-			# save this word
-			push @words_matched, $words[$i];
-
-			# add index to the deduper
-			$index_matches->{$i} ++;
-
-			# one less word to aggregate
-			$aggr--;
-			}
-		# keep snippets to a modest length
-		last if scalar @words_matched > 30;
-		}
-	# add a trailing ellipsis
-	push @words_matched, "...";
-
-	# create the snippet from the saved context words
-	$snippet = join " ", @words_matched;
-
-	return $snippet;
-	}
\ No newline at end of file
-- 
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