From 3d54401011aac39974b5d9824fddc75865695249 Mon Sep 17 00:00:00 2001
From: Markus Pesch <markus.pesch@cryptic.systems>
Date: Mon, 4 Mar 2019 21:19:33 +0100
Subject: [PATCH] feat: list configured loggers

---
 cmd/logger/list.go | 40 ++++++++++++++++++++++++++++++++++++++++
 pkg/cli/cli.go     | 15 +++++++++++++++
 2 files changed, 55 insertions(+)
 create mode 100644 cmd/logger/list.go

diff --git a/cmd/logger/list.go b/cmd/logger/list.go
new file mode 100644
index 0000000..74bb13e
--- /dev/null
+++ b/cmd/logger/list.go
@@ -0,0 +1,40 @@
+package logger
+
+import (
+	"log"
+	"os"
+
+	"git.cryptic.systems/fh-trier/go-flucky/pkg/cli"
+	"git.cryptic.systems/fh-trier/go-flucky/pkg/config"
+	"github.com/spf13/cobra"
+)
+
+var quiet bool
+
+var listLoggerCmd = &cobra.Command{
+	Use:     "ls",
+	Short:   "List internal Loggers",
+	Aliases: []string{"list"},
+	Example: "flucky logger ls",
+	Run: func(cmd *cobra.Command, args []string) {
+
+		// read configuration
+		fc, err := config.Read(cfg)
+		if err != nil {
+			log.Fatalln(err)
+		}
+
+		// print all configured remote addresses on stdout
+		cli.PrintLoggers(fc, os.Stdout)
+
+		// save new configuration
+		err = config.Write(fc, cfg)
+		if err != nil {
+			log.Fatalln(err)
+		}
+	},
+}
+
+func init() {
+	loggerCmd.AddCommand(listLoggerCmd)
+}
diff --git a/pkg/cli/cli.go b/pkg/cli/cli.go
index 9096fa5..ae75cae 100644
--- a/pkg/cli/cli.go
+++ b/pkg/cli/cli.go
@@ -5,6 +5,8 @@ import (
 	"io"
 	"text/tabwriter"
 
+	"git.cryptic.systems/fh-trier/go-flucky/pkg/logger"
+
 	"git.cryptic.systems/fh-trier/go-flucky/pkg/internal/temperature"
 
 	"git.cryptic.systems/fh-trier/go-flucky/pkg/config"
@@ -69,6 +71,19 @@ func PrintHumidities(humidities []*types.Humidity, cnf *config.FluckyConfig, w i
 	tw.Flush()
 }
 
+func PrintLoggers(cnf *config.FluckyConfig, w io.Writer) {
+	// declare tabwriter
+	tw := tabwriter.NewWriter(w, 0, 0, 3, ' ', 0)
+
+	fmt.Fprintf(w, "type\tvalue\t\tlocation\n")
+
+	for _, logfile := range cnf.LogFiles[logger.LogTemperature] {
+		fmt.Fprintf(w, "file\t%v\t%v\n", logger.LogTemperature, logfile)
+	}
+
+	tw.Flush()
+}
+
 // PrintRemotes displays a list with all configured remote addresses
 func PrintRemotes(cnf *config.FluckyConfig, w io.Writer) error {