'Modify' function that allows adding tags

main.go

@@ -262,6 +262,16 @@ func initialize() {
 		"ls [duration] [+tags]   - The same as list",
 	}
 
+	opFuncs["modify"] = cmdModifyTimer
+	validOperations["modify"] = []string{
+		"modify [+tags]          - Modify a timer",
+	}
+
+	opFuncs["mod"] = cmdModifyTimer
+	validOperations["mod"] = []string{
+		"mod [+tags]             - Modify a timer",
+	}
+
 	opFuncs["remove"] = cmdDeleteTimer
 	validOperations["remove"] = []string{
 		"remove @id              - See 'delete'",

timer_operations.go

@@ -90,6 +90,41 @@ func cmdAddTimer(args []string) int {
 	return 0
 }
 
+func cmdModifyTimer(args []string) int {
+	// If no timer id is specified, edit the most recent one
+	modId := "@0"
+	tags, rem := pullTagsFromArgs(args)
+	for i := range rem {
+		if rem[i][0] == '@' {
+			modId = rem[i]
+		}
+	}
+	timerId, err := strconv.Atoi(modId[1:])
+	if err != nil {
+		fmt.Println("error parsing timer id:", err.Error())
+		return 1
+	}
+	tmr, _, err := findTimerById(timerId)
+	if err != nil {
+		fmt.Println(err.Error())
+		return 1
+	}
+	if len(tags) <= 0 {
+		fmt.Println("Modify only supports adding tags at this time.")
+		return 1
+	}
+	for i := range tags {
+		tmr.AddTag(tags[i])
+	}
+	if err = gdb.SaveTimeEntry(tmr); err != nil {
+		fmt.Println("Error saving modified timer:", err.Error())
+		return 1
+	}
+	fmt.Println("Modified Timer:")
+	fmt.Println(" ", TimerToString(tmr))
+	return 0
+}
+
 func cmdContinueTimer(args []string) int {
 	// Get the last running timer and start a new one with the same tags
 	te, err := getMostRecentTimeEntry()
@@ -217,8 +252,8 @@ func cmdPrintList(args []string) int {
 	useDefaultFilter := true
 	var showIds bool
 	var beg, end time.Time
-	searchTags := []string{}
-	for _, opt := range args {
+	tags, rem := pullTagsFromArgs(args)
+	for _, opt := range rem {
 		var tmpBeg, tmpEnd time.Time
 		// Check for command modifiers
 		if strings.HasPrefix(opt, ":") {
@@ -245,12 +280,6 @@ func cmdPrintList(args []string) int {
 			continue
 		}
 
-		// Find tags
-		if strings.HasPrefix(opt, "+") {
-			searchTags = append(searchTags, opt[1:])
-			continue
-		}
-
 		// Do our best to figure out what timers the user wants to list
 		var err error
 		if strings.Contains(opt, "-") {
@@ -288,8 +317,8 @@ func cmdPrintList(args []string) int {
 		return t.GetStart().After(beg) && t.GetEnd().Before(end)
 	}
 	tagFilter := func(t *gime.TimeEntry) bool {
-		for i := range searchTags {
-			if !t.HasTag(searchTags[i]) {
+		for i := range tags {
+			if !t.HasTag(tags[i]) {
 				return false
 			}
 		}