Add in name corpus support

Author: yooper

src/Corpus/NameCorpus.php

@@ -0,0 +1,77 @@
+<?php
+
+namespace TextAnalysis\Corpus;
+
+use PDO;
+
+/**
+ * Opens the US names sqlite database 
+ *
+ * @author yooper
+ */
+class NameCorpus extends ReadCorpusAbstract
+{
+    protected $pdo;
+    
+    public function __construct($dir = null, $lang = 'eng') 
+    {
+        if(!$dir) { 
+            $dir = get_storage_path('corpora');
+        }
+        parent::__construct($dir, $lang);
+    }
+    
+    
+    public function getFileNames(): array
+    {
+        return ['us_names.sqlite3'];
+    }
+    
+    /**
+     * 
+     * @param string $name
+     * @return boolean
+     */
+    public function isFirstName($name) : bool
+    {
+        return $this->isName('names_by_state_and_year', $name);
+    }
+    
+    /**
+    * 
+    * @param string $name
+    * @return boolean
+    */    
+    public function isLastName($name) : bool
+    {
+        return $this->isName('surnames', $name);
+    }
+    
+    /**
+     * Check if the name exists
+     * @param string $tableName
+     * @param string $name
+     * @return boolean
+     */
+    protected function isName($tableName, $name) : bool
+    {
+        $stmt = $this->getPdo()->prepare("SELECT name FROM $tableName WHERE name = LOWER(:name) LIMIT 1"); 
+        $stmt->bindParam(':name', $name);
+        $stmt->execute();
+        return !empty($stmt->fetchColumn());         
+    }
+    
+    
+    /**
+     * @return PDO
+     */
+    public function getPdo() : PDO
+    {
+        if(empty($this->pdo)) {
+            $this->pdo = new PDO("sqlite:".$this->getDir().$this->getFileNames()[0]);
+        }
+        return $this->pdo;
+    }    
+}
+
+    

src/Corpus/ReadCorpusAbstract.php

@@ -2,7 +2,6 @@
 
 namespace TextAnalysis\Corpus;
 
-
 /**
  * Abstract class for making corpus readers
  */
@@ -29,7 +28,7 @@ abstract class ReadCorpusAbstract
     public function __construct($dir, $lang = 'eng') 
     {
         $this->dir = $dir;
-        $this->lang = $lang;
+        $this->lang = $lang;               
     }
 
     /**

src/Downloaders/DownloadPackageFactory.php

@@ -54,8 +54,7 @@ public function verifyChecksum()
         if(empty($this->getPackage()->getChecksum())) {
             return true;
         }
-        
-        return $this->getPackage()->getChecksum() === md5($this->getDownloadFullPath());
+        return $this->getPackage()->getChecksum() === md5_file($this->getDownloadFullPath());
     }
 
     /**

tests/TextAnalysis/Corpus/NameCorpusTest.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Tests\TextAnalysis\Corpus;
+
+use TextAnalysis\Corpus\NameCorpus;
+use Mockery;
+use TextAnalysis\Corpus\ImportCorpus;
+
+/**
+ * Test out the name corpus
+ *
+ * @author yooper
+ */
+class NameCorpusTest extends \PHPUnit_Framework_TestCase
+{
+    public function testFirstNames()
+    {
+        if( getenv('SKIP_TEST')) {
+            return;
+        }
+        
+        $corpus = new NameCorpus();
+        $this->assertTrue($corpus->isFirstName('Dan'));
+        $this->assertFalse($corpus->isFirstName('very'));
+        
+    }
+    
+    public function testLastNames()
+    {
+        if( getenv('SKIP_TEST')) {
+            return;
+        }    
+        
+        $corpus = new NameCorpus();
+        $this->assertTrue($corpus->isLastName('Williamson'));
+        $this->assertFalse($corpus->isLastName('baggins'));                          
+    }    
+}