BookStack/database/migrations/2018_08_04_115700_create_bookshelves_table.php

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<?php
use Illuminate\Database\Migrations\Migration;
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use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;
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class CreateBookshelvesTable extends Migration
{
/**
* Run the migrations.
*
* @return void
*/
public function up()
{
// Convert the existing entity tables to InnoDB.
// Wrapped in try-catch just in the event a different database system is used
// which does not support InnoDB but does support all required features
// like foreign key references.
try {
$prefix = DB::getTablePrefix();
DB::statement("ALTER TABLE {$prefix}pages ENGINE = InnoDB;");
DB::statement("ALTER TABLE {$prefix}chapters ENGINE = InnoDB;");
DB::statement("ALTER TABLE {$prefix}books ENGINE = InnoDB;");
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} catch (Exception $exception) {
}
// Here we have table drops before the creations due to upgrade issues
// people were having due to the bookshelves_books table creation failing.
if (Schema::hasTable('bookshelves_books')) {
Schema::drop('bookshelves_books');
}
if (Schema::hasTable('bookshelves')) {
Schema::drop('bookshelves');
}
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Schema::create('bookshelves', function (Blueprint $table) {
$table->increments('id');
$table->string('name', 180);
$table->string('slug', 180);
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$table->text('description');
$table->integer('created_by')->nullable()->default(null);
$table->integer('updated_by')->nullable()->default(null);
$table->boolean('restricted')->default(false);
$table->integer('image_id')->nullable()->default(null);
$table->timestamps();
$table->index('slug');
$table->index('created_by');
$table->index('updated_by');
$table->index('restricted');
});
Schema::create('bookshelves_books', function (Blueprint $table) {
$table->integer('bookshelf_id')->unsigned();
$table->integer('book_id')->unsigned();
$table->integer('order')->unsigned();
$table->primary(['bookshelf_id', 'book_id']);
$table->foreign('bookshelf_id')->references('id')->on('bookshelves')
->onUpdate('cascade')->onDelete('cascade');
$table->foreign('book_id')->references('id')->on('books')
->onUpdate('cascade')->onDelete('cascade');
});
// Delete old bookshelf permissions
// Needed to to issues upon upgrade.
DB::table('role_permissions')->where('name', 'like', 'bookshelf-%')->delete();
// Copy existing role permissions from Books
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$ops = ['View All', 'View Own', 'Create All', 'Create Own', 'Update All', 'Update Own', 'Delete All', 'Delete Own'];
foreach ($ops as $op) {
$dbOpName = strtolower(str_replace(' ', '-', $op));
$roleIdsWithBookPermission = DB::table('role_permissions')
->leftJoin('permission_role', 'role_permissions.id', '=', 'permission_role.permission_id')
->leftJoin('roles', 'roles.id', '=', 'permission_role.role_id')
->where('role_permissions.name', '=', 'book-' . $dbOpName)->get(['roles.id'])->pluck('id');
$permId = DB::table('role_permissions')->insertGetId([
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'name' => 'bookshelf-' . $dbOpName,
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'display_name' => $op . ' ' . 'BookShelves',
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'created_at' => \Carbon\Carbon::now()->toDateTimeString(),
'updated_at' => \Carbon\Carbon::now()->toDateTimeString(),
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]);
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$rowsToInsert = $roleIdsWithBookPermission->filter(function ($roleId) {
return !is_null($roleId);
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})->map(function ($roleId) use ($permId) {
return [
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'role_id' => $roleId,
'permission_id' => $permId,
];
})->toArray();
// Assign view permission to all current roles
DB::table('permission_role')->insert($rowsToInsert);
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}
}
/**
* Reverse the migrations.
*
* @return void
*/
public function down()
{
// Drop created permissions
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$ops = ['bookshelf-create-all', 'bookshelf-create-own', 'bookshelf-delete-all', 'bookshelf-delete-own', 'bookshelf-update-all', 'bookshelf-update-own', 'bookshelf-view-all', 'bookshelf-view-own'];
$permissionIds = DB::table('role_permissions')->whereIn('name', $ops)
->get(['id'])->pluck('id')->toArray();
DB::table('permission_role')->whereIn('permission_id', $permissionIds)->delete();
DB::table('role_permissions')->whereIn('id', $permissionIds)->delete();
// Drop shelves table
Schema::dropIfExists('bookshelves_books');
Schema::dropIfExists('bookshelves');
// Drop related polymorphic items
DB::table('activities')->where('entity_type', '=', \BookStack\Entities\Models\Bookshelf::class)->delete();
DB::table('views')->where('viewable_type', '=', \BookStack\Entities\Models\Bookshelf::class)->delete();
DB::table('entity_permissions')->where('restrictable_type', '=', \BookStack\Entities\Models\Bookshelf::class)->delete();
DB::table('tags')->where('entity_type', '=', \BookStack\Entities\Models\Bookshelf::class)->delete();
DB::table('search_terms')->where('entity_type', '=', \BookStack\Entities\Models\Bookshelf::class)->delete();
DB::table('comments')->where('entity_type', '=', \BookStack\Entities\Models\Bookshelf::class)->delete();
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}
}