Represents a store promo.
Inheritance: StoreModel
        /// <summary>
        /// Logs that an install occurred.
        /// </summary>
        /// <param name="packageId">The package identifier.</param>
        /// <param name="packageName">Name of the package.</param>
        /// <param name="versionId">The package version identifier.</param>
        /// <param name="versionLabel">The version label.</param>
        /// <param name="vendorId">The vendor identifier.</param>
        /// <param name="vendorName">Name of the vendor.</param>
        /// <param name="installedBy">The installed by.</param>
        public static void SaveInstall(int packageId, string packageName, int versionId, string versionLabel, int vendorId, string vendorName, string installedBy)
        {
            var installedPackages = GetInstalledPackages();

            var package = installedPackages.Where(p => p.PackageId == packageId).FirstOrDefault();

            if (package == null)
            {
                package = new InstalledPackage();
                installedPackages.Add(package);
                package.PackageId   = packageId;
                package.PackageName = packageName;
                package.VendorId    = vendorId;
                package.VendorName  = vendorName;
            }

            // set properties
            package.VersionId       = versionId;
            package.VersionLabel    = versionLabel;
            package.InstallDateTime = RockDateTime.Now;
            package.InstalledBy     = installedBy;

            // save results to file
            SaveInstalledPackages(installedPackages);
        }
        /// <summary>
        /// Logs that an install occurred.
        /// </summary>
        /// <param name="packageId">The package identifier.</param>
        /// <param name="packageName">Name of the package.</param>
        /// <param name="versionId">The package version identifier.</param>
        /// <param name="versionLabel">The version label.</param>
        /// <param name="vendorId">The vendor identifier.</param>
        /// <param name="vendorName">Name of the vendor.</param>
        /// <param name="installedBy">The installed by.</param>
        public static void SaveInstall( int packageId, string packageName, int versionId, string versionLabel, int vendorId, string vendorName, string installedBy )
        {
            var installedPackages = GetInstalledPackages();

            var package = installedPackages.Where( p => p.PackageId == packageId ).FirstOrDefault();

            if ( package == null )
            {
                package = new InstalledPackage();
                installedPackages.Add( package );
                package.PackageId = packageId;
                package.PackageName = packageName;
                package.VendorId = vendorId;
                package.VendorName = vendorName;
            }

            // set properties
            package.VersionId = versionId;
            package.VersionLabel = versionLabel;
            package.InstallDateTime = RockDateTime.Now;
            package.InstalledBy = installedBy;

            // save results to file
            SaveInstalledPackages( installedPackages );
        }