Added search name weighting. Closes #27.

rosetta-ai · Dec 5, 2015 · 46c905d · 46c905d
1 parent c32d70a
commit 46c905d
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Showing 2 changed files with 46 additions and 9 deletions.
diff --git a/app/Entity.php b/app/Entity.php
@@ -134,20 +134,20 @@ public static function fullTextSearch($fieldsToSearch, $terms, $wheres = [])
             $termString .= $term . '* ';
         }
         $fields = implode(',', $fieldsToSearch);
-        $search = static::whereRaw('MATCH(' . $fields . ') AGAINST(? IN BOOLEAN MODE)', [$termString]);
+        $termStringEscaped = \DB::connection()->getPdo()->quote($termString);
+        $search = static::addSelect(\DB::raw('*, MATCH(name) AGAINST('.$termStringEscaped.' IN BOOLEAN MODE) AS title_relevance'));
+        $search = $search->whereRaw('MATCH(' . $fields . ') AGAINST(? IN BOOLEAN MODE)', [$termString]);
+
+        // Add additional where terms
         foreach ($wheres as $whereTerm) {
             $search->where($whereTerm[0], $whereTerm[1], $whereTerm[2]);
         }
 
-        if (!static::isA('book')) {
-            $search = $search->with('book');
-        }
-
-        if (static::isA('page')) {
-            $search = $search->with('chapter');
-        }
+        // Load in relations
+        if (!static::isA('book')) $search = $search->with('book');
+        if (static::isA('page'))  $search = $search->with('chapter');
 
-        return $search->get();
+        return $search->orderBy('title_relevance', 'desc')->get();
     }
 
     /**

diff --git a/database/migrations/2015_12_05_145049_fulltext_weighting.php b/database/migrations/2015_12_05_145049_fulltext_weighting.php
@@ -0,0 +1,37 @@
+<?php
+
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class FulltextWeighting extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        DB::statement('ALTER TABLE pages ADD FULLTEXT name_search(name)');
+        DB::statement('ALTER TABLE books ADD FULLTEXT name_search(name)');
+        DB::statement('ALTER TABLE chapters ADD FULLTEXT name_search(name)');
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('pages', function(Blueprint $table) {
+            $table->dropIndex('name_search');
+        });
+        Schema::table('books', function(Blueprint $table) {
+            $table->dropIndex('name_search');
+        });
+        Schema::table('chapters', function(Blueprint $table) {
+            $table->dropIndex('name_search');
+        });
+    }
+}