Add request handlers and move monitoring to watchdog package

main.go

@@ -1,15 +1,42 @@
 package main
 
 import (
-	"fmt"
-	"github.com/TwinProduction/gatus/config"
+	"encoding/json"
+	"github.com/TwinProduction/gatus/core"
+	"github.com/TwinProduction/gatus/watchdog"
+	"log"
+	"net/http"
 )
 
 func main() {
-	for _, service := range config.Get().Services {
-		result := service.EvaluateConditions()
-		for _, conditionResult := range result.ConditionResult {
-			fmt.Printf("%v\n", *conditionResult)
-		}
-	}
+	go watchdog.Monitor()
+	http.HandleFunc("/api/v1/results", serviceResultsHandler)
+	http.HandleFunc("/health", healthHandler)
+	http.HandleFunc("/", indexHandler)
+	log.Println("[main][main] Listening on port 80")
+	log.Fatal(http.ListenAndServe(":80", nil))
+}
+
+func serviceResultsHandler(writer http.ResponseWriter, request *http.Request) {
+	serviceResults := watchdog.GetServiceResults()
+	writer.WriteHeader(http.StatusOK)
+	_, _ = writer.Write(structToJsonBytes(serviceResults))
+}
+
+func indexHandler(writer http.ResponseWriter, request *http.Request) {
+	writer.WriteHeader(http.StatusNotImplemented)
+	_, _ = writer.Write(structToJsonBytes(&core.ServerMessage{Error: true, Message: "Not implemented yet"}))
+}
+
+func healthHandler(writer http.ResponseWriter, request *http.Request) {
+	writer.WriteHeader(http.StatusOK)
+	_, _ = writer.Write(structToJsonBytes(&core.HealthStatus{Status: "UP"}))
+}
+
+func structToJsonBytes(obj interface{}) []byte {
+	bytes, err := json.Marshal(obj)
+	if err != nil {
+		log.Printf("[main][structToJsonBytes] Unable to marshall object to JSON: %s", err.Error())
+	}
+	return bytes
 }