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

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)
+	}
+}