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