Add Pi-hole blocked percentage and date widgets

apis/pihole/info.go

@@ -2,7 +2,6 @@ package pihole
 
 import (
 	"encoding/json"
-	"log"
 )
 
 type Version struct {
@@ -38,7 +37,7 @@ func (ph *PiHConnector) Version() Version {
 
 	err := json.Unmarshal(ph.get("info/version"), version)
 	if err != nil {
-		log.Fatal(err)
+		version = &Version{}
 	}
 	return *version
 }

apis/pihole/pihole.go

@@ -41,6 +41,9 @@ func (ph *PiHConnector) post(endpoint string, body io.Reader) []byte {
 }
 
 func (ph *PiHConnector) do(method string, endpoint string, body io.Reader) []byte {
+	if ph.Host == "" {
+		return make([]byte, 0)
+	}
 	var requestString = "http://" + ph.Host + "/api/" + endpoint
 
 	client := &http.Client{}
@@ -67,7 +70,12 @@ func (ph *PiHConnector) do(method string, endpoint string, body io.Reader) []byt
 	return respBody
 }
 
+var connector *PiHConnector
+
 func Connect() PiHConnector {
+	if connector != nil {
+		return *connector
+	}
 	cfg := &configFile{}
 	config.LoadConfig(cfg)
 	client := &http.Client{}
@@ -93,8 +101,9 @@ func Connect() PiHConnector {
 	if err != nil {
 		log.Fatal(err)
 	}
-	return PiHConnector{
+	connector = &PiHConnector{
 		Host:    cfg.Pihole.Host,
 		Session: s.Session,
 	}
+	return *connector
 }

apis/pihole/stats.go

@@ -2,7 +2,6 @@ package pihole
 
 import (
 	"encoding/json"
-	"log"
 )
 
 type Summary struct {
@@ -35,7 +34,7 @@ func (ph *PiHConnector) Summary() Summary {
 
 	err := json.Unmarshal(ph.get("stats/summary"), summary)
 	if err != nil {
-		log.Fatal(err)
+		summary = &Summary{}
 	}
 	return *summary
 }