tiPS

0.0.11

Classes/PowerShellTip.cs

using System;

namespace tiPS
{
    // Ideally the enum would be in a separate file, but then we have to deal with writing assemblies to disk
    // in order to load PowerShell types from 2 different files, so just define everything in a single file
    // here for now: https://stackoverflow.com/a/20749076/602585
    public enum PowerShellTipTag
    {
        Excel,
        FileSystem,
        Module,
        Script,
        Social,
        Syntax,
        Terminal
    }

    public class PowerShellTip
    {
        public string Id { get; set; }
        public DateTime CreatedDate { get; set; }
        public string Title { get; set; }
        public string TipText { get; set; }
        public string Example { get; set; }
        public string[] Urls { get; set; }
        public string MinPowerShellVersion { get; set; } // Use a string because System.Version is not deserialized correctly from JSON, and it's a bit more user friendly when specifying the version.
        public PowerShellTipTag[] Tags { get; set; }

        public PowerShellTip()
        {
            Id = string.Empty;
            CreatedDate = DateTime.MinValue;
            Title = string.Empty;
            TipText = string.Empty;
            Example = string.Empty;
            Urls = Array.Empty<string>();
            MinPowerShellVersion = string.Empty;
            Tags = Array.Empty<PowerShellTipTag>();
        }

        public void Validate()
        {
            if (string.IsNullOrWhiteSpace(Id))
            {
                throw new System.ArgumentException("The Id property must be set.");
            }

            if (CreatedDate == DateTime.MinValue)
            {
                throw new System.ArgumentException("The CreatedDate property must be set.");
            }

            if (Id.Contains(' '))
            {
                throw new System.ArgumentException($"The Id property value '{Id}' cannot contain spaces. Use PascalCase.");
            }

            if (string.IsNullOrWhiteSpace(Title))
            {
                throw new System.ArgumentException("The Title property must be set.");
            }

            if (string.IsNullOrWhiteSpace(TipText))
            {
                throw new System.ArgumentException("The TipText property must be set.");
            }

            if (Urls != null && Urls.Length > 3)
            {
                throw new System.ArgumentException("You may only provide up to 3 Urls.");
            }

            foreach (var url in Urls)
            {
                if (string.IsNullOrWhiteSpace(url))
                {
                    throw new System.ArgumentException("The Urls property must not contain null or empty values.");
                }

                bool urlStartsWithHttp = url.StartsWith("http://") || url.StartsWith("https://");
                if (!urlStartsWithHttp)
                {
                    throw new System.ArgumentException($"The Urls property value '{url}' must start with 'http://' or 'https://'.");
                }

                Uri uri;
                bool isValidUrl = Uri.TryCreate(url, UriKind.Absolute, out uri);
                if (!isValidUrl)
                {
                    throw new System.ArgumentException($"The Urls property value '{url}' is not a valid URL.");
                }
            }

            if (!string.IsNullOrWhiteSpace(MinPowerShellVersion))
            {
                Version version;
                bool isValidVersionNumber = Version.TryParse(MinPowerShellVersion, out version);
                if (!isValidVersionNumber)
                {
                    throw new System.ArgumentException($"The MinPowerShellVersion property value '{MinPowerShellVersion}' is not a valid version number.");
                }
            }
        }
    }
}