pre-refactor

2026-05-06 04:34:45 +00:00 · 2025-11-07 21:37:34 +00:00 · 2025-11-07 21:37:34 +00:00 · 6b88066b20
commit 6b88066b20
5 changed files with 1927 additions and 0 deletions
--- a/go.mod
+++ b/go.mod
@ -0,0 +1,29 @@
+module github.com/rwejlgaard/org
+
+go 1.25.3
+
+require (
+	github.com/alecthomas/chroma/v2 v2.20.0 // indirect
+	github.com/atotto/clipboard v0.1.4 // indirect
+	github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
+	github.com/charmbracelet/bubbles v0.21.0 // indirect
+	github.com/charmbracelet/bubbletea v1.3.10 // indirect
+	github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc // indirect
+	github.com/charmbracelet/lipgloss v1.1.0 // indirect
+	github.com/charmbracelet/x/ansi v0.10.1 // indirect
+	github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd // indirect
+	github.com/charmbracelet/x/term v0.2.1 // indirect
+	github.com/dlclark/regexp2 v1.11.5 // indirect
+	github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f // indirect
+	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/mattn/go-localereader v0.0.1 // indirect
+	github.com/mattn/go-runewidth v0.0.16 // indirect
+	github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6 // indirect
+	github.com/muesli/cancelreader v0.2.2 // indirect
+	github.com/muesli/termenv v0.16.0 // indirect
+	github.com/rivo/uniseg v0.4.7 // indirect
+	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
+	golang.org/x/sys v0.36.0 // indirect
+	golang.org/x/text v0.3.8 // indirect
+)
--- a/go.sum
+++ b/go.sum
@ -0,0 +1,49 @@
+github.com/alecthomas/chroma/v2 v2.20.0 h1:sfIHpxPyR07/Oylvmcai3X/exDlE8+FA820NTz+9sGw=
+github.com/alecthomas/chroma/v2 v2.20.0/go.mod h1:e7tViK0xh/Nf4BYHl00ycY6rV7b8iXBksI9E359yNmA=
+github.com/atotto/clipboard v0.1.4 h1:EH0zSVneZPSuFR11BlR9YppQTVDbh5+16AmcJi4g1z4=
+github.com/atotto/clipboard v0.1.4/go.mod h1:ZY9tmq7sm5xIbd9bOK4onWV4S6X0u6GY7Vn0Yu86PYI=
+github.com/aymanbagabas/go-osc52/v2 v2.0.1 h1:HwpRHbFMcZLEVr42D4p7XBqjyuxQH5SMiErDT4WkJ2k=
+github.com/aymanbagabas/go-osc52/v2 v2.0.1/go.mod h1:uYgXzlJ7ZpABp8OJ+exZzJJhRNQ2ASbcXHWsFqH8hp8=
+github.com/charmbracelet/bubbles v0.21.0 h1:9TdC97SdRVg/1aaXNVWfFH3nnLAwOXr8Fn6u6mfQdFs=
+github.com/charmbracelet/bubbles v0.21.0/go.mod h1:HF+v6QUR4HkEpz62dx7ym2xc71/KBHg+zKwJtMw+qtg=
+github.com/charmbracelet/bubbletea v1.3.10 h1:otUDHWMMzQSB0Pkc87rm691KZ3SWa4KUlvF9nRvCICw=
+github.com/charmbracelet/bubbletea v1.3.10/go.mod h1:ORQfo0fk8U+po9VaNvnV95UPWA1BitP1E0N6xJPlHr4=
+github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc h1:4pZI35227imm7yK2bGPcfpFEmuY1gc2YSTShr4iJBfs=
+github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc/go.mod h1:X4/0JoqgTIPSFcRA/P6INZzIuyqdFY5rm8tb41s9okk=
+github.com/charmbracelet/lipgloss v1.1.0 h1:vYXsiLHVkK7fp74RkV7b2kq9+zDLoEU4MZoFqR/noCY=
+github.com/charmbracelet/lipgloss v1.1.0/go.mod h1:/6Q8FR2o+kj8rz4Dq0zQc3vYf7X+B0binUUBwA0aL30=
+github.com/charmbracelet/x/ansi v0.10.1 h1:rL3Koar5XvX0pHGfovN03f5cxLbCF2YvLeyz7D2jVDQ=
+github.com/charmbracelet/x/ansi v0.10.1/go.mod h1:3RQDQ6lDnROptfpWuUVIUG64bD2g2BgntdxH0Ya5TeE=
+github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd h1:vy0GVL4jeHEwG5YOXDmi86oYw2yuYUGqz6a8sLwg0X8=
+github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd/go.mod h1:xe0nKWGd3eJgtqZRaN9RjMtK7xUYchjzPr7q6kcvCCs=
+github.com/charmbracelet/x/term v0.2.1 h1:AQeHeLZ1OqSXhrAWpYUtZyX1T3zVxfpZuEQMIQaGIAQ=
+github.com/charmbracelet/x/term v0.2.1/go.mod h1:oQ4enTYFV7QN4m0i9mzHrViD7TQKvNEEkHUMCmsxdUg=
+github.com/dlclark/regexp2 v1.11.5 h1:Q/sSnsKerHeCkc/jSTNq1oCm7KiVgUMZRDUoRu0JQZQ=
+github.com/dlclark/regexp2 v1.11.5/go.mod h1:DHkYz0B9wPfa6wondMfaivmHpzrQ3v9q8cnmRbL6yW8=
+github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f h1:Y/CXytFA4m6baUTXGLOoWe4PQhGxaX0KpnayAqC48p4=
+github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f/go.mod h1:vw97MGsxSvLiUE2X8qFplwetxpGLQrlU1Q9AUEIzCaM=
+github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY=
+github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
+github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
+github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+github.com/mattn/go-localereader v0.0.1 h1:ygSAOl7ZXTx4RdPYinUpg6W99U8jWvWi9Ye2JC/oIi4=
+github.com/mattn/go-localereader v0.0.1/go.mod h1:8fBrzywKY7BI3czFoHkuzRoWE9C+EiG4R1k4Cjx5p88=
+github.com/mattn/go-runewidth v0.0.16 h1:E5ScNMtiwvlvB5paMFdw9p4kSQzbXFikJ5SQO6TULQc=
+github.com/mattn/go-runewidth v0.0.16/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
+github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6 h1:ZK8zHtRHOkbHy6Mmr5D264iyp3TiX5OmNcI5cIARiQI=
+github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6/go.mod h1:CJlz5H+gyd6CUWT45Oy4q24RdLyn7Md9Vj2/ldJBSIo=
+github.com/muesli/cancelreader v0.2.2 h1:3I4Kt4BQjOR54NavqnDogx/MIoWBFa0StPA8ELUXHmA=
+github.com/muesli/cancelreader v0.2.2/go.mod h1:3XuTXfFS2VjM+HTLZY9Ak0l6eUKfijIfMUZ4EgX0QYo=
+github.com/muesli/termenv v0.16.0 h1:S5AlUN9dENB57rsbnkPyfdGuWIlkmzJjbFf0Tf5FWUc=
+github.com/muesli/termenv v0.16.0/go.mod h1:ZRfOIKPFDYQoDFF4Olj7/QJbW60Ol/kL1pU3VfY/Cnk=
+github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
+github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ=
+github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
+github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e h1:JVG44RsyaB9T2KIHavMF/ppJZNG9ZpyihvCd0w101no=
+github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e/go.mod h1:RbqR21r5mrJuqunuUZ/Dhy/avygyECGrLceyNeo4LiM=
+golang.org/x/sys v0.0.0-20210809222454-d867a43fc93e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.36.0 h1:KVRy2GtZBrk1cBYA7MKu5bEZFxQk4NIDV6RLVcC8o0k=
+golang.org/x/sys v0.36.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/text v0.3.8 h1:nAL+RVCQ9uMn3vJZbV+MRnydTJFPf8qqY42YiA6MrqY=
+golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=
--- a/main.go
+++ b/main.go
@ -0,0 +1,49 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"os"
+	"path/filepath"
+)
+
+func main() {
+	var filePath string
+	flag.StringVar(&filePath, "file", "", "Path to org file (default: ./todo.org)")
+	flag.StringVar(&filePath, "f", "", "Path to org file (shorthand)")
+	flag.Parse()
+
+	// Check for positional argument first
+	if filePath == "" && len(flag.Args()) > 0 {
+		filePath = flag.Args()[0]
+	}
+
+	// Default to ./todo.org if no file specified
+	if filePath == "" {
+		cwd, err := os.Getwd()
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "Error getting current directory: %v\n", err)
+			os.Exit(1)
+		}
+		filePath = filepath.Join(cwd, "todo.org")
+	}
+
+	// Parse the org file
+	orgFile, err := ParseOrgFile(filePath)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "Error parsing org file: %v\n", err)
+		os.Exit(1)
+	}
+
+	// Run the UI
+	if err := runUI(orgFile); err != nil {
+		fmt.Fprintf(os.Stderr, "Error running UI: %v\n", err)
+		os.Exit(1)
+	}
+
+	// Save on exit
+	if err := orgFile.Save(); err != nil {
+		fmt.Fprintf(os.Stderr, "Error saving file: %v\n", err)
+		os.Exit(1)
+	}
+}
--- a/org.go
+++ b/org.go
@ -0,0 +1,443 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"regexp"
+	"strings"
+	"time"
+)
+
+// TodoState represents the state of a todo item
+type TodoState string
+
+const (
+	StateTODO        TodoState = "TODO"
+	StatePROG        TodoState = "PROG"
+	StateBLOCK       TodoState = "BLOCK"
+	StateDONE        TodoState = "DONE"
+	StateNone        TodoState = ""
+)
+
+// ClockEntry represents a single clock entry
+type ClockEntry struct {
+	Start time.Time
+	End   *time.Time // nil if currently clocked in
+}
+
+// Item represents a single org-mode item (heading)
+type Item struct {
+	Level       int          // Heading level (number of *)
+	State       TodoState    // TODO, PROG, BLOCK, DONE, or empty
+	Title       string       // The main title text
+	Scheduled   *time.Time
+	Deadline    *time.Time
+	Notes       []string     // Notes/content under the heading
+	Children    []*Item      // Sub-items
+	Folded      bool         // Whether the item is folded (hides notes and children)
+	ClockEntries []ClockEntry // Clock in/out entries
+}
+
+// OrgFile represents a parsed org-mode file
+type OrgFile struct {
+	Path  string
+	Items []*Item
+}
+
+// Parser patterns
+var (
+	headingPattern   = regexp.MustCompile(`^(\*+)\s+(?:(TODO|PROG|BLOCK|DONE)\s+)?(.+)$`)
+	scheduledPattern = regexp.MustCompile(`SCHEDULED:\s*<([^>]+)>`)
+	deadlinePattern  = regexp.MustCompile(`DEADLINE:\s*<([^>]+)>`)
+	clockPattern     = regexp.MustCompile(`CLOCK:\s*\[([^\]]+)\](?:--\[([^\]]+)\])?`)
+	drawerStart      = regexp.MustCompile(`^\s*:LOGBOOK:\s*$`)
+	drawerEnd        = regexp.MustCompile(`^\s*:END:\s*$`)
+	codeBlockStart   = regexp.MustCompile(`^\s*#\+BEGIN_SRC`)
+	codeBlockEnd     = regexp.MustCompile(`^\s*#\+END_SRC`)
+)
+
+// ParseOrgFile reads and parses an org-mode file
+func ParseOrgFile(path string) (*OrgFile, error) {
+	file, err := os.Open(path)
+	if err != nil {
+		// If file doesn't exist, return empty org file
+		if os.IsNotExist(err) {
+			return &OrgFile{Path: path, Items: []*Item{}}, nil
+		}
+		return nil, err
+	}
+	defer file.Close()
+
+	orgFile := &OrgFile{Path: path, Items: []*Item{}}
+	scanner := bufio.NewScanner(file)
+
+	var currentItem *Item
+	var itemStack []*Item // Stack to track parent items
+	var inCodeBlock bool
+	var inLogbookDrawer bool
+
+	for scanner.Scan() {
+		line := scanner.Text()
+
+		// Check for drawer boundaries
+		if drawerStart.MatchString(line) {
+			inLogbookDrawer = true
+			if currentItem != nil {
+				currentItem.Notes = append(currentItem.Notes, line)
+			}
+			continue
+		}
+		if drawerEnd.MatchString(line) && inLogbookDrawer {
+			inLogbookDrawer = false
+			if currentItem != nil {
+				currentItem.Notes = append(currentItem.Notes, line)
+			}
+			continue
+		}
+
+		// Check for code block boundaries
+		if codeBlockStart.MatchString(line) {
+			inCodeBlock = true
+			if currentItem != nil {
+				currentItem.Notes = append(currentItem.Notes, line)
+			}
+			continue
+		}
+		if codeBlockEnd.MatchString(line) {
+			inCodeBlock = false
+			if currentItem != nil {
+				currentItem.Notes = append(currentItem.Notes, line)
+			}
+			continue
+		}
+
+		// If in code block, add line to notes
+		if inCodeBlock {
+			if currentItem != nil {
+				currentItem.Notes = append(currentItem.Notes, line)
+			}
+			continue
+		}
+
+		// Try to match heading
+		if matches := headingPattern.FindStringSubmatch(line); matches != nil {
+			level := len(matches[1])
+			state := TodoState(matches[2])
+			title := matches[3]
+
+			item := &Item{
+				Level:    level,
+				State:    state,
+				Title:    title,
+				Notes:    []string{},
+				Children: []*Item{},
+			}
+
+			// Find parent based on level
+			for len(itemStack) > 0 && itemStack[len(itemStack)-1].Level >= level {
+				itemStack = itemStack[:len(itemStack)-1]
+			}
+
+			if len(itemStack) == 0 {
+				// Top-level item
+				orgFile.Items = append(orgFile.Items, item)
+			} else {
+				// Child item
+				parent := itemStack[len(itemStack)-1]
+				parent.Children = append(parent.Children, item)
+			}
+
+			itemStack = append(itemStack, item)
+			currentItem = item
+		} else if currentItem != nil {
+			// This is content under the current item
+			trimmed := strings.TrimSpace(line)
+
+			// Check for SCHEDULED
+			if matches := scheduledPattern.FindStringSubmatch(line); matches != nil {
+				if t, err := parseOrgDate(matches[1]); err == nil {
+					currentItem.Scheduled = &t
+				}
+			}
+
+			// Check for DEADLINE
+			if matches := deadlinePattern.FindStringSubmatch(line); matches != nil {
+				if t, err := parseOrgDate(matches[1]); err == nil {
+					currentItem.Deadline = &t
+				}
+			}
+
+			// Check for CLOCK (can be inside or outside drawer)
+			if matches := clockPattern.FindStringSubmatch(line); matches != nil {
+				if startTime, err := parseClockTimestamp(matches[1]); err == nil {
+					entry := ClockEntry{Start: startTime}
+					if len(matches) > 2 && matches[2] != "" {
+						if endTime, err := parseClockTimestamp(matches[2]); err == nil {
+							entry.End = &endTime
+						}
+					}
+					currentItem.ClockEntries = append(currentItem.ClockEntries, entry)
+				}
+			}
+
+			// Add all lines as notes (including scheduling lines and drawer content for proper serialization)
+			if trimmed != "" || len(currentItem.Notes) > 0 {
+				currentItem.Notes = append(currentItem.Notes, line)
+			}
+		}
+	}
+
+	if err := scanner.Err(); err != nil {
+		return nil, err
+	}
+
+	return orgFile, nil
+}
+
+// parseOrgDate parses org-mode date format
+func parseOrgDate(dateStr string) (time.Time, error) {
+	// Org-mode format: 2024-01-15 Mon 10:00
+	formats := []string{
+		"2006-01-02 Mon 15:04",
+		"2006-01-02 Mon",
+		"2006-01-02",
+	}
+
+	for _, format := range formats {
+		if t, err := time.Parse(format, dateStr); err == nil {
+			return t, nil
+		}
+	}
+
+	return time.Time{}, fmt.Errorf("unable to parse date: %s", dateStr)
+}
+
+// parseClockTimestamp parses org-mode clock timestamp format
+func parseClockTimestamp(timestampStr string) (time.Time, error) {
+	// Org-mode clock format: [2024-01-15 Mon 10:00]
+	formats := []string{
+		"2006-01-02 Mon 15:04",
+		"2006-01-02 Mon 15:04:05",
+	}
+
+	for _, format := range formats {
+		if t, err := time.Parse(format, timestampStr); err == nil {
+			return t, nil
+		}
+	}
+
+	return time.Time{}, fmt.Errorf("unable to parse clock timestamp: %s", timestampStr)
+}
+
+// formatClockTimestamp formats a time as org-mode clock timestamp
+func formatClockTimestamp(t time.Time) string {
+	return t.Format("2006-01-02 Mon 15:04")
+}
+
+// formatOrgDate formats a time as org-mode date
+func formatOrgDate(t time.Time) string {
+	return t.Format("2006-01-02 Mon")
+}
+
+// Save writes the org file back to disk
+func (of *OrgFile) Save() error {
+	file, err := os.Create(of.Path)
+	if err != nil {
+		return err
+	}
+	defer file.Close()
+
+	writer := bufio.NewWriter(file)
+	defer writer.Flush()
+
+	for _, item := range of.Items {
+		if err := writeItem(writer, item); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// writeItem recursively writes an item and its children
+func writeItem(writer *bufio.Writer, item *Item) error {
+	// Write heading
+	stars := strings.Repeat("*", item.Level)
+	line := stars
+	if item.State != StateNone {
+		line += " " + string(item.State)
+	}
+	line += " " + item.Title + "\n"
+
+	if _, err := writer.WriteString(line); err != nil {
+		return err
+	}
+
+	// Write scheduling info if not already in notes
+	hasScheduled := false
+	hasDeadline := false
+	hasLogbook := false
+	for _, note := range item.Notes {
+		if strings.Contains(note, "SCHEDULED:") {
+			hasScheduled = true
+		}
+		if strings.Contains(note, "DEADLINE:") {
+			hasDeadline = true
+		}
+		if strings.Contains(note, ":LOGBOOK:") {
+			hasLogbook = true
+		}
+	}
+
+	if item.Scheduled != nil && !hasScheduled {
+		scheduledLine := fmt.Sprintf("SCHEDULED: <%s>\n", formatOrgDate(*item.Scheduled))
+		if _, err := writer.WriteString(scheduledLine); err != nil {
+			return err
+		}
+	}
+
+	if item.Deadline != nil && !hasDeadline {
+		deadlineLine := fmt.Sprintf("DEADLINE: <%s>\n", formatOrgDate(*item.Deadline))
+		if _, err := writer.WriteString(deadlineLine); err != nil {
+			return err
+		}
+	}
+
+	// Write clock entries in :LOGBOOK: drawer if not already in notes
+	if len(item.ClockEntries) > 0 && !hasLogbook {
+		if _, err := writer.WriteString(":LOGBOOK:\n"); err != nil {
+			return err
+		}
+		for _, entry := range item.ClockEntries {
+			clockLine := fmt.Sprintf("CLOCK: [%s]", formatClockTimestamp(entry.Start))
+			if entry.End != nil {
+				clockLine += fmt.Sprintf("--[%s]", formatClockTimestamp(*entry.End))
+			}
+			clockLine += "\n"
+			if _, err := writer.WriteString(clockLine); err != nil {
+				return err
+			}
+		}
+		if _, err := writer.WriteString(":END:\n"); err != nil {
+			return err
+		}
+	}
+
+	// Write notes
+	for _, note := range item.Notes {
+		if _, err := writer.WriteString(note + "\n"); err != nil {
+			return err
+		}
+	}
+
+	// Write children
+	for _, child := range item.Children {
+		if err := writeItem(writer, child); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// GetAllItems returns a flattened list of all items (for UI display)
+// Respects folding - folded items don't show their children
+func (of *OrgFile) GetAllItems() []*Item {
+	var items []*Item
+	var flatten func([]*Item)
+	flatten = func(list []*Item) {
+		for _, item := range list {
+			items = append(items, item)
+			if !item.Folded {
+				flatten(item.Children)
+			}
+		}
+	}
+	flatten(of.Items)
+	return items
+}
+
+// ToggleFold toggles the folded state of an item
+func (item *Item) ToggleFold() {
+	item.Folded = !item.Folded
+}
+
+// CycleState cycles through todo states
+func (item *Item) CycleState() {
+	switch item.State {
+	case StateNone:
+		item.State = StateTODO
+	case StateTODO:
+		item.State = StatePROG
+	case StatePROG:
+		item.State = StateBLOCK
+	case StateBLOCK:
+		item.State = StateDONE
+	case StateDONE:
+		item.State = StateNone
+	}
+}
+
+// ClockIn starts a new clock entry
+func (item *Item) ClockIn() bool {
+	// Check if already clocked in
+	if item.IsClockedIn() {
+		return false
+	}
+
+	entry := ClockEntry{
+		Start: time.Now(),
+		End:   nil,
+	}
+	item.ClockEntries = append(item.ClockEntries, entry)
+	return true
+}
+
+// ClockOut ends the current clock entry
+func (item *Item) ClockOut() bool {
+	// Find the most recent open clock entry
+	for i := len(item.ClockEntries) - 1; i >= 0; i-- {
+		if item.ClockEntries[i].End == nil {
+			now := time.Now()
+			item.ClockEntries[i].End = &now
+			return true
+		}
+	}
+	return false
+}
+
+// IsClockedIn returns true if there's an active clock entry
+func (item *Item) IsClockedIn() bool {
+	for _, entry := range item.ClockEntries {
+		if entry.End == nil {
+			return true
+		}
+	}
+	return false
+}
+
+// GetCurrentClockDuration returns the duration of the current clock entry
+func (item *Item) GetCurrentClockDuration() time.Duration {
+	for _, entry := range item.ClockEntries {
+		if entry.End == nil {
+			return time.Since(entry.Start)
+		}
+	}
+	return 0
+}
+
+// GetTotalClockDuration returns the total duration of all clock entries
+func (item *Item) GetTotalClockDuration() time.Duration {
+	var total time.Duration
+	for _, entry := range item.ClockEntries {
+		if entry.End != nil {
+			// Completed clock entry
+			total += entry.End.Sub(entry.Start)
+		} else {
+			// Currently clocked in
+			total += time.Since(entry.Start)
+		}
+	}
+	return total
+}
--- a/ui.go
+++ b/ui.go