add delete and change error handling

.gitignore

@@ -101,4 +101,5 @@ fabric.properties
 
 .idea/
 .env
-!examples/**
+!examples/**
+/ovh-apikey-manager

README.md

@@ -1,4 +1,35 @@
 # ovh-apikey-manager
 [![status-badge](https://ci.codeberg.org/api/badges/lauralani/ovh-apikey-manager/status.svg)](https://ci.codeberg.org/lauralani/ovh-apikey-manager)
 
-A tiny tool to manage your OVH api keys
+A tiny tool to manage your OVH api keys
+
+## Installation
+### Pre-Built Binary
+To get the binary just download the latest release for your OS/Arch from the 
+[release page](https://codeberg.org/lauralani/ovh-apikey-manager/releases) 
+and put the binary somewhere convenient. The application assumes its config 
+file to be in the same directory as the binary.
+
+### Compile from Source
+Requirements:
+- go1.20+
+
+First, clone the repository to your local machine
+```shell
+git clone https://codeberg.org/lauralani/ovh-apikey-manager
+
+# or if you want a specific branch:
+git clone https://codeberg.org/lauralani/ovh-apikey-manager -b x.x.x
+```
+
+Then compile the project with 
+```shell
+go build
+```
+
+## Configuration
+The application assumes the config file `.env` 
+
+```shell
+
+```

cmd/delete.go

@@ -0,0 +1,44 @@
+/*
+Copyright © 2023 Laura Kalb <dev@lauka.net>
+*/
+package cmd
+
+import (
+	"codeberg.org/lauralani/ovh-apikey-manager/app"
+	"log"
+	"os"
+	"strconv"
+
+	"github.com/spf13/cobra"
+)
+
+// deleteCmd represents the delete command
+var deleteCmd = &cobra.Command{
+	Use:   "delete",
+	Short: "Delete API keys",
+	Long:  `Delete a single API key by ID`,
+	Args:  cobra.ExactArgs(1),
+
+	Run: func(cmd *cobra.Command, args []string) {
+		client := app.GetOVHClient()
+		id := args[0]
+
+		_, err := strconv.Atoi(id)
+		if err != nil {
+			log.Printf("Argument must be a valid number\n")
+			os.Exit(1)
+		}
+
+		err = client.Delete("/me/api/application/"+id, nil)
+		if err != nil {
+			log.Printf("Error deleting application: %q\n", err)
+			os.Exit(1)
+		}
+
+		log.Printf("Application with id %v was successfully deleted.\n", id)
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(deleteCmd)
+}

cmd/list.go

@@ -9,6 +9,7 @@ import (
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 	"log"
+	"os"
 	"strconv"
 )
 
@@ -24,7 +25,8 @@ var listCmd = &cobra.Command{
 		var appresponselist []int
 		err := client.Get("/me/api/application", &appresponselist)
 		if err != nil {
-			log.Fatalf("Error getting application list: %v", err.Error())
+			log.Printf("Error getting application list: %q\n", err)
+			os.Exit(1)
 		}
 
 		for _, appid := range appresponselist {
@@ -32,7 +34,8 @@ var listCmd = &cobra.Command{
 
 			err := client.Get("/me/api/application/"+strconv.Itoa(appid), &application)
 			if err != nil {
-				log.Fatalf("Error getting application %v: %v", appid, err.Error())
+				log.Printf("Error getting application %v: %v", appid, err.Error())
+				os.Exit(1)
 			}
 
 			applist = append(applist, application)