[ci skip] more suggested improvements

server/handler/dailyCreationDiagnostics.go

@@ -3,7 +3,6 @@ package handler
 import (
 	"context"
 	"database/sql"
-	"encoding/json"
 	"fmt"
 	"net/http"
 	"strings"
@@ -186,20 +185,18 @@ LIMIT %d
 	}
 
 	response := models.DailyCreationDiagnosticsResponse{
-		Status:               "OK",
-		Date:                 parsed.Format("2006-01-02"),
-		Table:                tableName,
-		TotalRows:            totalRows,
-		MissingCreationCount: missingTotal,
-		MissingCreationPct:   missingPct,
-		AvgIsPresentLtOneCount:      avgIsPresentLtOne,
-		MissingCreationPartialCount: missingPartialCount,
-		MissingByVcenter:     byVcenter,
-		Samples:              samples,
+		Status:                        "OK",
+		Date:                          parsed.Format("2006-01-02"),
+		Table:                         tableName,
+		TotalRows:                     totalRows,
+		MissingCreationCount:          missingTotal,
+		MissingCreationPct:            missingPct,
+		AvgIsPresentLtOneCount:        avgIsPresentLtOne,
+		MissingCreationPartialCount:   missingPartialCount,
+		MissingByVcenter:              byVcenter,
+		Samples:                       samples,
 		MissingCreationPartialSamples: partialSamples,
 	}
 
-	w.Header().Set("Content-Type", "application/json")
-	w.WriteHeader(http.StatusOK)
-	json.NewEncoder(w).Encode(response)
+	writeJSON(w, http.StatusOK, response)
 }