Implement initial entry editing support (no notes editing or gen update)

main.go

@@ -68,23 +68,21 @@ func main() {
 					}
 					offline.CopyArgument(targetLocation, field, args[0])
 				case "edit":
-					var field rune
-					field = field // TODO temporary to avoid unused variable error
+					var field int // indicates which field to edit
 					switch args[3] {
 					case "password", "-p":
-						field = 'p'
+						field = 0
 					case "username", "-u":
-						field = 'u'
+						field = 1
 					case "url", "-l":
-						field = 'l'
-					case "note", "-n":
-						field = 'n'
+						field = 2
+					case "note", "-n": // TODO cli.EditNote(targetLocation), exit after run
 					case "rename", "-r":
 						cli.RenameCli(targetLocation)
 					default:
 						cli.HelpEdit()
 					}
-					// TODO offline.EditEntry(targetLocation, field), exit after run
+					cli.EditEntry(targetLocation, true, field)
 				case "add":
 					switch args[3] {
 					case "password", "-p":

src/cli/add.go

@@ -40,16 +40,8 @@ func AddEntry(targetLocation string, hidePassword bool, entryType uint8) {
 		unencryptedEntry = append([]string{"", "", ""}, note...)
 	}
 
-	// ensure entry data is not empty
-	var entryDataPresent bool
-	for _, line := range unencryptedEntry {
-		if line != "" {
-			entryDataPresent = true
-			break
-		}
-	}
-
-	if entryDataPresent {
+	// write and preview the new entry
+	if offline.EntryIsNotEmpty(unencryptedEntry) {
 		offline.WriteEntry(targetLocation, unencryptedEntry)
 		fmt.Println(ansiBold + "\nEntry Preview:" + offline.AnsiReset)
 		EntryReader(unencryptedEntry, hidePassword)

src/cli/edit.go

@@ -1,6 +1,10 @@
 package cli
 
-import "github.com/rwinkhart/MUTN/src/offline"
+import (
+	"fmt"
+	"github.com/rwinkhart/MUTN/src/offline"
+	"os"
+)
 
 // RenameCli renames an entry at oldLocation to a new location (user input)
 func RenameCli(oldLocation string) {
@@ -13,3 +17,37 @@ func RenameCli(oldLocation string) {
 
 	// exit is done from offline.Rename
 }
+
+// EditEntry edits a field of an entry at targetLocation (user input), does not allow for editing notes
+func EditEntry(targetLocation string, hidePassword bool, field int) {
+	// ensure targetLocation exists
+	offline.TargetIsFile(targetLocation, true, 2)
+
+	// read old entry data
+	unencryptedEntry := offline.DecryptGPG(targetLocation)
+
+	// ensure slice is long enough for field
+	for len(unencryptedEntry) <= field {
+		unencryptedEntry = append(unencryptedEntry, "")
+	}
+
+	// edit the field
+	switch field {
+	case 0:
+		unencryptedEntry[field] = inputHidden("Password:")
+	case 1:
+		unencryptedEntry[field] = input("Username:")
+	case 2:
+		unencryptedEntry[field] = input("URL:")
+	}
+
+	// write and preview the modified entry
+	if offline.EntryIsNotEmpty(unencryptedEntry) {
+		offline.WriteEntry(targetLocation, unencryptedEntry)
+		fmt.Println(ansiBold + "\nEntry Preview:" + offline.AnsiReset)
+		EntryReader(unencryptedEntry, hidePassword)
+	} else {
+		fmt.Println(offline.AnsiError + "No data supplied for entry" + offline.AnsiReset)
+		os.Exit(1)
+	}
+}

src/cli/utilitiesMisc.go

@@ -7,14 +7,15 @@ import (
 	"golang.org/x/crypto/ssh/terminal"
 	"os"
 	"os/exec"
+	"strings"
 )
 
 // input prompts the user for input and returns the input as a string
 func input(prompt string) string {
 	fmt.Print("\n" + prompt + " ")
-	var userInput string
-	fmt.Scanln(&userInput)
-	return userInput
+	reader := bufio.NewReader(os.Stdin)
+	userInput, _ := reader.ReadString('\n')
+	return strings.TrimRight(userInput, "\n ") // remove trailing newlines and spaces
 }
 
 // inputHidden prompts the user for input and returns the input as a string, hiding the input from the terminal

src/offline/utilitiesMisc.go

@@ -115,3 +115,12 @@ func StringGen(length int, complex bool, complexity float64) string {
 		actualSpecialChars = 0
 	}
 }
+
+func EntryIsNotEmpty(entryData []string) bool {
+	for _, line := range entryData {
+		if line != "" {
+			return true
+		}
+	}
+	return false
+}