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Ian Webster 2020-11-26 17:54:03 -05:00
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Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 16
VisualStudioVersion = 16.0.808.2
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuickChart", "QuickChart\QuickChart.csproj", "{60C2308A-500A-4DA1-AF8E-671C88696BFA}"
EndProject
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{C076DB54-F991-4386-969E-110648801D22}"
ProjectSection(SolutionItems) = preProject
EmptyClass.cs = EmptyClass.cs
EndProjectSection
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuickChartExamples", "QuickChartExamples\QuickChartExamples.csproj", "{52AC08E4-5A20-4A46-A117-BFAC03BB7940}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{60C2308A-500A-4DA1-AF8E-671C88696BFA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{60C2308A-500A-4DA1-AF8E-671C88696BFA}.Debug|Any CPU.Build.0 = Debug|Any CPU
{60C2308A-500A-4DA1-AF8E-671C88696BFA}.Release|Any CPU.ActiveCfg = Release|Any CPU
{60C2308A-500A-4DA1-AF8E-671C88696BFA}.Release|Any CPU.Build.0 = Release|Any CPU
{52AC08E4-5A20-4A46-A117-BFAC03BB7940}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{52AC08E4-5A20-4A46-A117-BFAC03BB7940}.Debug|Any CPU.Build.0 = Debug|Any CPU
{52AC08E4-5A20-4A46-A117-BFAC03BB7940}.Release|Any CPU.ActiveCfg = Release|Any CPU
{52AC08E4-5A20-4A46-A117-BFAC03BB7940}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {7CE792CD-B43F-4CD6-8FBF-4D55C2A07BC6}
EndGlobalSection
EndGlobal

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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());
}
}
}

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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Library</OutputType>
<TargetFramework>netcoreapp3.1</TargetFramework>
</PropertyGroup>
</Project>

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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>netcoreapp3.1</TargetFramework>
<StartupObject>QuickChartExamples.SimpleExample</StartupObject>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="..\QuickChart\QuickChart.csproj" />
</ItemGroup>
</Project>

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using System;
using QuickChart;
namespace QuickChartExamples
{
public class ShortUrlExample
{
static void Main(string[] args) {
Console.WriteLine("Fetching short url...");
Chart qc = new Chart();
qc.Width = 500;
qc.Height = 300;
qc.Config = @"{
type: 'bar',
data: {
labels: ['Q1', 'Q2', 'Q3', 'Q4'],
datasets: [{
label: 'Users',
data: [50, 60, 70, 180]
}]
}
}";
Console.WriteLine(qc.GetShortUrl());
}
}
}

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using System;
using QuickChart;
namespace QuickChartExamples
{
public class SimpleExample
{
static void Main(string[] args) {
Console.WriteLine("Writing simple URL...");
QuickChart qc = new QuickChart();
qc.Width = 500;
qc.Height = 300;
qc.Config = @"{
type: 'bar',
data: {
labels: ['Q1', 'Q2', 'Q3', 'Q4'],
datasets: [{
label: 'Users',
data: [50, 60, 70, 180]
}]
}
}";
Console.WriteLine(qc.GetUrl());
}
}
}

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using System;
using QuickChart;
namespace QuickChartExamples
{
public class ToFileExample
{
static void Main(string[] args) {
Console.WriteLine("Saving to disk...");
Chart qc = new Chart();
qc.Width = 500;
qc.Height = 300;
qc.Config = @"{
type: 'bar',
data: {
labels: ['Q1', 'Q2', 'Q3', 'Q4'],
datasets: [{
label: 'Users',
data: [50, 60, 70, 180]
}]
}
}";
qc.ToFile("/tmp/chart.png");
}
}
}