Fisharebest\Webtrees\Schema\Migration37::upgrade()

Complexity

Conditions	5
Paths	4

Size

Total Lines	61
Code Lines	43

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

<?php
    public function upgrade(): void
    {
        // These tables were created by webtrees 1.x, and may not exist if we first installed webtrees 2.x
        DB::schema()->dropIfExists('site_access_rule');
        DB::schema()->dropIfExists('next_id');

        // Split the media table into media/media_file so that we can store multiple media
        // files in each media object.
        if (!DB::schema()->hasTable('media_file')) {
            DB::schema()->create('media_file', static function (Blueprint $table): void {
                $table->integer('id', true);
                $table->string('m_id', 20);
                $table->integer('m_file');
                $table->string('multimedia_file_refn', 248); // GEDCOM only allows 30 characters
                $table->string('multimedia_format', 4);
                $table->string('source_media_type', 15);
                $table->string('descriptive_title', 248);

                $table->index(['m_id', 'm_file']);
                $table->index(['m_file', 'm_id']);
                $table->index(['m_file', 'multimedia_file_refn']);
                $table->index(['m_file', 'multimedia_format']);
                $table->index(['m_file', 'source_media_type']);
                $table->index(['m_file', 'descriptive_title']);
            });
        }

        if (DB::table('media_file')->count() === 0 && DB::schema()->hasColumn('media', 'm_filename')) {
            (new Builder(DB::connection()))->from('media_file')->insertUsing([
                'm_id',
                'm_file',
                'multimedia_file_refn',
                'multimedia_format',
                'source_media_type',
                'descriptive_title',
            ], function (Builder $query): void {
                // SQLite also supports SUBSTRING() from 3.34.0 (2020-12-01)
                $substring_function = DB::connection()->getDriverName() === 'sqlite' ? 'SUBSTR' : 'SUBSTRING';

                $query->select([
                    'm_id',
                    'm_file',
                    new Expression($substring_function . '(m_filename, 1, 248)'),
                    new Expression($substring_function . '(m_ext, 1, 4)'),
                    new Expression($substring_function . '(m_type, 1, 15)'),
                    new Expression($substring_function . '(m_titl, 1, 248)'),
                ])->from('media');
            });

            // The Laravel database library for SQLite can only drop one column at a time.
            DB::schema()->table('media', static function (Blueprint $table): void {
                $table->dropColumn('m_filename');
            });
            DB::schema()->table('media', static function (Blueprint $table): void {
                $table->dropColumn('m_ext');
            });
            DB::schema()->table('media', static function (Blueprint $table): void {
                $table->dropColumn('m_type');
            });
            DB::schema()->table('media', static function (Blueprint $table): void {
                $table->dropColumn('m_titl');
            });