Transforming MongoDB WebHooks notifications payload into Microsoft teams message cards

vicent@galysoft.es

#r "Newtonsoft.Json"

using System.Net;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Primitives;
using Newtonsoft.Json;
using System.Net.Http.Headers;

public static async Task<IActionResult> Run(HttpRequest req, ILogger log)
{
    log.LogInformation("C# HTTP trigger function processed a request.");

    string requestBody = await new StreamReader(req.Body).ReadToEndAsync();
    ActionResult result;
    if(!string.IsNullOrEmpty(requestBody))
    {
        dynamic data = JsonConvert.DeserializeObject(requestBody);
        log.LogInformation(requestBody);
        //Push message through Teams
        using (var client = new HttpClient()) 
        { 
            client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
            client.DefaultRequestHeaders.Add("User-Agent", "AzureFunctions");
            
            //Copy paste uri from Teams
            var uri = "https://outlook.office.com/webhook/XXXXX/IncomingWebhook/YYYY/ZZZZ";
            
            String content = @"{
            ""@type"": ""MessageCard"",
	""@context"": ""https://schema.org/extensions"",
	""summary"": ""Card \""Test card\"""",
	""themeColor"": ""0078D7"",
	""title"": ""--title--"",
	""sections"": [
		{
			""activityTitle"": ""--stitle--"",
			""activitySubtitle"": ""--date--"",
			""activityImage"": ""--icon--"",
			""facts"": [
				{
					""name"": ""Custer:"",
					""value"": ""--clustername--""
				},
				{
					""name"": ""Replica set:"",
					""value"": ""--repset--""
				},
				{
					""name"": ""Server:"",
					""value"": ""--handp--""
				},
				{
					""name"": ""Metric:"",
					""value"": ""--stitle--""
				},
                {
                    ""name"": ""Metric value:"",
                    ""value"": ""--value--""
                },
                {
                    ""name"": ""Type:"",
                    ""value"": ""--type--""
                },
                {
                    ""name"": ""Event:"",
                    ""value"": ""--event--""
                }

			],
			""text"": ""--MESSAGE--""
		}
	],
	""potentialAction"": [		
		{
			""@type"": ""OpenUri"",
			""name"": ""Check the stats"",
			""targets"": [
				{
					""os"": ""default"",
					""uri"": ""--url--"",
                    ""url"": ""--url--""
				}
			]
		}
	]
            }";

            if(data!= null)
            {                
                string value = data.metricName;
                if(!string.IsNullOrEmpty(value))
                    content = content.Replace(@"--stitle--",value);
                
                value = data.updated;
                if(!string.IsNullOrEmpty(value))
                    content = content.Replace(@"--date--",value);
                
                value = data.humanReadable;
                if(!string.IsNullOrEmpty(value))
                    content = content.Replace(@"--MESSAGE--",value);
                
                value = data.replicaSetName;
                if(!string.IsNullOrEmpty(value))
                    content = content.Replace(@"--repset--",value);
                
                value = data.hostnameAndPort;
                if(!string.IsNullOrEmpty(value))
                    content = content.Replace(@"--handp--",value);
                
                value = data.clusterName;
                if(!string.IsNullOrEmpty(value))
                    content = content.Replace(@"--clustername--",value);
                
                value = data.status;
                if(!string.IsNullOrEmpty(value))
                {
                    content = content.Replace(@"--status--",value);
                    if(value =="OPEN")
                    {
                        content = content.Replace(@"--icon--","https://www.clearpeople.com/-/media/Images/TeamsIntegrations/notification%20png.png");
                        content = content.Replace(@"--title--","New alert triggered");
                    }
                    else if(value =="CLOSED")
                    {
                        content = content.Replace(@"--icon--","https://www.clearpeople.com/-/media/Images/TeamsIntegrations/correct%20jpg.jpg");
                        content = content.Replace(@"--title--","Alert closed");
                    }
                }

                value = data.typeName;
                if(!string.IsNullOrEmpty(value))
                    content = content.Replace(@"--type--",value);

                value = data.eventTypeName;
                if(!string.IsNullOrEmpty(value))
                    content = content.Replace(@"--event--",value);

                              
                if(data.currentValue!=null)
                {
                    value = data.currentValue.number;  
                    content = content.Replace(@"--value--",value);
                }
                if(data.links!= null && data.links[0]!= null)
                {
                    value = data.links[0].href;
                    content = content.Replace(@"--url--",value );
                }
            }
            
            
            StringContent TeamMsg = new StringContent(content);
            log.LogInformation(content);
            HttpResponseMessage response = client.PostAsync(uri,TeamMsg).Result; 
            var responseString = response.Content.ReadAsStringAsync().Result; 
            log.LogInformation(responseString);
        }
        result = new OkObjectResult($"Hello");                
    }
    else
    {
        result = new BadRequestObjectResult("Please pass some JSON in the request body");
    }
    return result;
}