migration: 25 -> 26: Fix is_network flag for external files

Fix #253

src/database/migrations/migration25-26.sql

@@ -105,3 +105,9 @@ MediaGroup::index( MediaGroup::Indexes::LastModificationDate, 26 ),
     " AND file_type = " +
     std::to_string( static_cast<std::underlying_type_t<IFile::Type>>(
         IFile::Type::Unknown ) ),
+
+/*
+ * Fix external files is_network state
+ */
+"UPDATE " + File::Table::Name + " SET is_network = 1"
+    " WHERE is_external = 1 AND substr(mrl, 0, 7) != 'file://'",

test/unittest/MiscTests.cpp

@@ -687,4 +687,12 @@ TEST_F( DbModel, Upgrade25to26 )
     auto encodedFile = File::fetch( ml.get(), 6 );
     ASSERT_NE( nullptr, encodedFile );
     ASSERT_EQ( "udp://@224.10.50.36:5004", encodedFile->mrl() );
+    ASSERT_TRUE( encodedFile->isNetwork() );
+
+    const std::string req = "SELECT * FROM " + File::Table::Name +
+            " WHERE is_network = 1";
+    auto networkFiles = File::fetchAll<File>( ml.get(), req );
+    ASSERT_EQ( 1u, networkFiles.size() );
+    ASSERT_EQ( networkFiles[0]->id(), encodedFile->id() );
+
 }