136 lines
4.1 KiB
C#
136 lines
4.1 KiB
C#
using System;
|
|
using System.Collections.Specialized;
|
|
using System.Web;
|
|
using System.Net.Http;
|
|
using System.Text;
|
|
using System.Text.Json;
|
|
using System.IO;
|
|
|
|
namespace QuickChart
|
|
{
|
|
internal class QuickChartShortUrlResponse
|
|
{
|
|
#pragma warning disable IDE1006 // Naming Styles
|
|
public bool status { get; set; }
|
|
public string url { get; set; }
|
|
#pragma warning restore IDE1006 // Naming Styles
|
|
}
|
|
|
|
public class Chart
|
|
{
|
|
public int Width { get; set; }
|
|
public int Height { get; set; }
|
|
public double DevicePixelRatio { get; set; }
|
|
public string BackgroundColor { get; set; }
|
|
public string Key { get; set; }
|
|
public string Config { get; set; }
|
|
|
|
public string Protocol { get; set; }
|
|
public string Host { get; set; }
|
|
public int Port { get; set; }
|
|
|
|
private static readonly HttpClient Client = new HttpClient();
|
|
|
|
public Chart()
|
|
{
|
|
Width = 500;
|
|
Height = 300;
|
|
DevicePixelRatio = 1.0;
|
|
BackgroundColor = "transparent";
|
|
|
|
Protocol = "https";
|
|
Host = "quickchart.io";
|
|
Port = 443;
|
|
}
|
|
|
|
public string GetUrl()
|
|
{
|
|
if (Config == null)
|
|
{
|
|
throw new NullReferenceException("You must set Config on the QuickChart object before generating a URL");
|
|
}
|
|
|
|
NameValueCollection queryString = HttpUtility.ParseQueryString(string.Empty);
|
|
queryString.Add("w", Width.ToString());
|
|
queryString.Add("h", Height.ToString());
|
|
queryString.Add("devicePixelRatio", DevicePixelRatio.ToString());
|
|
queryString.Add("bkg", BackgroundColor);
|
|
queryString.Add("c", Config);
|
|
|
|
return $"{Protocol}://{Host}:{Port}/chart?{queryString}";
|
|
}
|
|
|
|
public string GetShortUrl()
|
|
{
|
|
if (Config == null)
|
|
{
|
|
throw new NullReferenceException("You must set Config on the QuickChart object before generating a URL");
|
|
}
|
|
|
|
String json = JsonSerializer.Serialize(new
|
|
{
|
|
width = Width,
|
|
height = Height,
|
|
backgroundColor = BackgroundColor,
|
|
devicePixelRatio = DevicePixelRatio,
|
|
chart = Config,
|
|
});
|
|
|
|
// TODO(ian): key
|
|
|
|
string url = $"{Protocol}://{Host}:{Port}/chart/create";
|
|
|
|
HttpResponseMessage response = Client.PostAsync(
|
|
url,
|
|
new StringContent(json, Encoding.UTF8, "application/json")
|
|
).Result;
|
|
|
|
if (!response.IsSuccessStatusCode)
|
|
{
|
|
throw new Exception("Unsuccessful response from API");
|
|
}
|
|
|
|
string responseText = response.Content.ReadAsStringAsync().Result;
|
|
QuickChartShortUrlResponse result = JsonSerializer.Deserialize<QuickChartShortUrlResponse>(responseText);
|
|
return result.url;
|
|
}
|
|
|
|
public byte[] ToByteArray()
|
|
{
|
|
if (Config == null)
|
|
{
|
|
throw new NullReferenceException("You must set Config on the QuickChart object before generating a URL");
|
|
}
|
|
|
|
String json = JsonSerializer.Serialize(new
|
|
{
|
|
width = Width,
|
|
height = Height,
|
|
backgroundColor = BackgroundColor,
|
|
devicePixelRatio = DevicePixelRatio,
|
|
chart = Config,
|
|
});
|
|
|
|
// TODO(ian): key
|
|
|
|
string url = $"{Protocol}://{Host}:{Port}/chart";
|
|
|
|
HttpResponseMessage response = Client.PostAsync(
|
|
url,
|
|
new StringContent(json, Encoding.UTF8, "application/json")
|
|
).Result;
|
|
|
|
if (!response.IsSuccessStatusCode)
|
|
{
|
|
throw new Exception("Unsuccessful response from API");
|
|
}
|
|
|
|
return response.Content.ReadAsByteArrayAsync().Result;
|
|
}
|
|
|
|
public void ToFile(string filePath)
|
|
{
|
|
File.WriteAllBytes(filePath, this.ToByteArray());
|
|
}
|
|
}
|
|
}
|