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AWS Lambda on .NET Core sample
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Chatwork.Service;
using Amazon.Lambda.Core;
using Amazon.Lambda.Serialization;
using Newtonsoft.Json;
// Assembly attribute to enable the Lambda function's JSON input to be converted into a .NET class.
[assembly: LambdaSerializerAttribute(typeof(Amazon.Lambda.Serialization.Json.JsonSerializer))]
namespace SendToChatwork
{
public class Function
{
private readonly string chatworkApiKey = Environment.GetEnvironmentVariable("ChatworkApiKey");
/// <summary>
/// A simple function that takes a string and does a ToUpper
/// </summary>
/// <param name="input"></param>
/// <param name="context"></param>
/// <returns></returns>
public async Task<int> FunctionHandler(ChatworkInput input, ILambdaContext context)
{
context.Logger.LogLine($"{nameof(SendToChatwork)} was triggered");
if (input.Channel == 0) throw new ArgumentOutOfRangeException(nameof(input.Channel));
if (string.IsNullOrWhiteSpace(input.Text)) throw new ArgumentOutOfRangeException(nameof(input.Text));
if (string.IsNullOrWhiteSpace(chatworkApiKey)) throw new NullReferenceException(nameof(chatworkApiKey));
var roomId = input.Channel;
var body = input.Text;
var client = new ChatworkClient(chatworkApiKey);
var response = await client.Room.SendMessgesAsync(roomId, body);
return response.message_id;
}
}
public class ChatworkInput
{
[JsonProperty("channel")]
public int Channel { get; set; }
[JsonProperty("text")]
public string Text { get; set; }
}
}
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