coerce values to 0 if null

server/src/domain/checks/check.repository.mongo.ts

@@ -445,12 +445,12 @@ class MongoChecksRepository implements IChecksRepository {
 									$dateToString: { format: dateString, date: "$createdAt" },
 								},
 								avgResponseTime: { $avg: "$responseTime" },
-								avgDns: { $avg: "$timings.phases.dns" },
-								avgTcp: { $avg: "$timings.phases.tcp" },
-								avgTls: { $avg: "$timings.phases.tls" },
-								avgRequest: { $avg: "$timings.phases.request" },
-								avgFirstByte: { $avg: "$timings.phases.firstByte" },
-								avgDownload: { $avg: "$timings.phases.download" },
+								avgDns: { $avg: { $ifNull: ["$timings.phases.dns", 0] } },
+								avgTcp: { $avg: { $ifNull: ["$timings.phases.tcp", 0] } },
+								avgTls: { $avg: { $ifNull: ["$timings.phases.tls", 0] } },
+								avgRequest: { $avg: { $ifNull: ["$timings.phases.request", 0] } },
+								avgFirstByte: { $avg: { $ifNull: ["$timings.phases.firstByte", 0] } },
+								avgDownload: { $avg: { $ifNull: ["$timings.phases.download", 0] } },
 								totalChecks: { $sum: 1 },
 							},
 						},
@@ -460,12 +460,12 @@ class MongoChecksRepository implements IChecksRepository {
 								bucketDate: "$_id",
 								avgResponseTime: 1,
 								totalChecks: 1,
-								avgDns: { $ifNull: ["$avgDns", 0] },
-								avgTcp: { $ifNull: ["$avgTcp", 0] },
-								avgTls: { $ifNull: ["$avgTls", 0] },
-								avgRequest: { $ifNull: ["$avgRequest", 0] },
-								avgFirstByte: { $ifNull: ["$avgFirstByte", 0] },
-								avgDownload: { $ifNull: ["$avgDownload", 0] },
+								avgDns: 1,
+								avgTcp: 1,
+								avgTls: 1,
+								avgRequest: 1,
+								avgFirstByte: 1,
+								avgDownload: 1,
 								_id: 0,
 							},
 						},