refactor: move emojis from TOML to Go constants

Author: ignavan39

internal/presentation/styles/styles.go

@@ -2,6 +2,8 @@ package styles
 
 import (
 	"github.com/charmbracelet/lipgloss"
+
+	"github.com/ignavan39/mood-diary/internal/presentation/tui/constants"
 )
 
 var (
@@ -108,18 +110,6 @@ var (
 				BorderForeground(PastelLavender).
 				Padding(0, 1)
 
-	SuccessStyle = lipgloss.NewStyle().
-			Foreground(TextDark).
-			Background(SuccessGreen).
-			Padding(0, 2).
-			Bold(true)
-
-	ErrorStyle = lipgloss.NewStyle().
-			Foreground(TextDark).
-			Background(ErrorRed).
-			Padding(0, 2).
-			Bold(true)
-
 	InfoStyle = lipgloss.NewStyle().
 			Foreground(TextDark).
 			Background(InfoBlue).
@@ -147,6 +137,24 @@ var (
 			Italic(true)
 )
 
+func SuccessStyle(text string) string {
+	return lipgloss.NewStyle().
+		Foreground(TextDark).
+		Background(SuccessGreen).
+		Padding(0, 2).
+		Bold(true).
+		Render(constants.Emoji.Checkmark + " " + text)
+}
+
+func ErrorStyle(text string) string {
+	return lipgloss.NewStyle().
+		Foreground(TextDark).
+		Background(ErrorRed).
+		Padding(0, 2).
+		Bold(true).
+		Render(constants.Emoji.Crossmark + " " + text)
+}
+
 func GetMoodColor(level int) lipgloss.Color {
 	if level < 0 {
 		level = 0
@@ -229,4 +237,4 @@ func Sparkline(values []float64) string {
 		Foreground(PastelLavender).
 		Bold(true).
 		Render(result)
-}
+}

internal/presentation/tui/constants/ui_icons.go

@@ -0,0 +1,33 @@
+package constants
+
+var Emoji = struct {
+	Checkmark     string
+	Crossmark     string
+	Warning       string
+	ArrowUp       string
+	ArrowDown     string
+	ArrowStable   string
+	Flower        string
+	MoodForm      string
+	Edit          string
+	Calendar      string
+	History       string
+	Stats         string
+	Settings      string
+	Heatmap       string
+}{
+    Checkmark:     "✓",
+    Crossmark:     "✗",
+    Warning:       "⚠️",
+    ArrowUp:       "↑",
+    ArrowDown:     "↓",
+    ArrowStable:   "─",
+    Flower:        "🌸",
+    MoodForm:      "📝",
+    Edit:          "✏️",
+    Calendar:      "📅",
+    History:       "📜",
+    Stats:         "📊",
+    Settings:      "⚙️",
+    Heatmap:       "🗺️",
+}

internal/presentation/tui/constants/ui_symbols.go

@@ -1,20 +1,11 @@
 package constants
 
 const (
-	Checkmark     = "✓"
-	Crossmark     = "✗"
 	ArrowRight    = "→"
 	LoadingFrames = "⠋⠙⠹⠸⠼⠴⠦⠧⠇⠏"
 	EmptyDot      = "○"
 	FilledDot     = "●"
-	WarningSign   = "⚠"
-
-	HistoryIcon  = "📜"
-	SettingsIcon = "⚙️"
-	CalendarIcon = "📅"
-	MoodFormIcon = "📝"
-	ExitIcon     = "❌"
-	DeleteIcon   = "⚠️"
-	EditIcon     = "✏️"
-	StatsIcon    = "📊"
-)
+	Checkmark     = "✓"
+	Crossmark     = "✗"
+	WarningSign   = "⚠️"
+)

internal/presentation/tui/screens/calendar_screen.go

@@ -14,6 +14,7 @@ import (
 	"github.com/ignavan39/mood-diary/internal/infrastructure/i18n"
 	"github.com/ignavan39/mood-diary/internal/presentation/styles"
 	"github.com/ignavan39/mood-diary/internal/presentation/tui/components"
+	"github.com/ignavan39/mood-diary/internal/presentation/tui/constants"
 	"github.com/ignavan39/mood-diary/internal/presentation/tui/formatters"
 	"github.com/ignavan39/mood-diary/internal/presentation/tui/state"
 )
@@ -32,8 +33,17 @@ type CalendarScreen struct {
 	cursorRow  int
 	cursorCol  int
 	confirmDlg *components.ConfirmationDialog
+
+	viewMode calendarViewMode
 }
 
+type calendarViewMode string
+
+const (
+	viewEmoji   calendarViewMode = "emoji"
+	viewHeatmap calendarViewMode = "heatmap"
+)
+
 func NewCalendarScreen(ctx context.Context, service *usecase.MoodService, translator i18n.Translator) *CalendarScreen {
 	now := time.Now()
 	return &CalendarScreen{
@@ -43,6 +53,7 @@ func NewCalendarScreen(ctx context.Context, service *usecase.MoodService, transl
 		currentMonth: time.Date(now.Year(), now.Month(), 1, 0, 0, 0, 0, time.UTC),
 		selectedDate: time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, time.UTC),
 		moodData:     make(map[time.Time]*entity.MoodEntry),
+		viewMode:     viewEmoji,
 	}
 }
 
@@ -123,6 +134,13 @@ func (s *CalendarScreen) handleKeyMsg(msg tea.KeyMsg) (state.Screen, tea.Cmd) {
 			return s, nil
 		}
 
+	case "m":
+		if s.viewMode == viewEmoji {
+			s.viewMode = viewHeatmap
+		} else {
+			s.viewMode = viewEmoji
+		}
+
 	case "esc", "q":
 		return s, state.NavigateBack()
 	}
@@ -211,7 +229,7 @@ func (s *CalendarScreen) View() string {
 	var b strings.Builder
 
 	monthName := s.t(fmt.Sprintf("date.month.%d", s.currentMonth.Month()))
-	header := styles.HeaderStyle.Render(fmt.Sprintf("📅 %s %d", monthName, s.currentMonth.Year()))
+	header := styles.HeaderStyle.Render(fmt.Sprintf("%s %s %d", constants.Emoji.Calendar, monthName, s.currentMonth.Year()))
 	b.WriteString(header)
 	b.WriteString("\n\n")
 
@@ -221,7 +239,7 @@ func (s *CalendarScreen) View() string {
 	}
 
 	if s.Error != nil {
-		b.WriteString(styles.ErrorStyle.Render(s.t(i18n.CommonErrorPrefixKey) + s.Error.Error()))
+		b.WriteString(styles.ErrorStyle(s.t(i18n.CommonErrorPrefixKey) + s.Error.Error()))
 		b.WriteString("\n\n")
 	}
 
@@ -244,19 +262,25 @@ func (s *CalendarScreen) View() string {
 	b.WriteString(strings.Repeat("─", 42) + "\n")
 
 	rows := s.buildCalendarGrid()
+	if s.viewMode == viewHeatmap {
+		rows = s.buildHeatmapGrid()
+	}
 	for i, row := range rows {
 		var line strings.Builder
 		for j, cell := range row {
 			style := lipgloss.NewStyle().Width(6).Align(lipgloss.Center)
 
 			if i == s.cursorRow && j == s.cursorCol {
 				style = style.Background(styles.PastelDarkSlateBlue).Foreground(styles.TextLight).Bold(true)
+			} else if cell.bgColor != "" {
+				style = style.Background(cell.bgColor)
+				if cell.date.Month() != s.currentMonth.Month() {
+					style = style.Foreground(styles.TextMuted)
+				} else {
+					style = style.Foreground(styles.TextLight)
+				}
 			} else if entry, ok := s.moodData[cell.date]; ok {
-
 				style = style.Foreground(styles.GetMoodColor(int(entry.Level)))
-			} else if cell.date.Month() != s.currentMonth.Month() {
-
-				style = style.Foreground(styles.TextMuted)
 			}
 
 			line.WriteString(style.Render(cell.text))
@@ -272,11 +296,20 @@ func (s *CalendarScreen) View() string {
 }
 
 type calendarCell struct {
-	date time.Time
-	text string
+	date    time.Time
+	text    string
+	bgColor lipgloss.Color
 }
 
 func (s *CalendarScreen) buildCalendarGrid() [][]calendarCell {
+	return s.buildGrid(viewEmoji)
+}
+
+func (s *CalendarScreen) buildHeatmapGrid() [][]calendarCell {
+	return s.buildGrid(viewHeatmap)
+}
+
+func (s *CalendarScreen) buildGrid(mode calendarViewMode) [][]calendarCell {
 	year, month := s.currentMonth.Year(), s.currentMonth.Month()
 	firstDay := time.Date(year, month, 1, 0, 0, 0, 0, time.UTC)
 
@@ -295,7 +328,17 @@ func (s *CalendarScreen) buildCalendarGrid() [][]calendarCell {
 			cell := calendarCell{date: current}
 
 			if current.Month() != month {
-				cell.text = lipgloss.NewStyle().Foreground(styles.TextMuted).Render("  ")
+				cell.bgColor = lipgloss.Color("#F0F0F0")
+				cell.text = "  "
+			} else if mode == viewHeatmap {
+				entry, ok := s.moodData[current]
+				if ok {
+					cell.bgColor = styles.GetMoodColor(int(entry.Level))
+					cell.text = fmt.Sprintf("%2d", current.Day())
+				} else {
+					cell.bgColor = styles.PastelGray
+					cell.text = fmt.Sprintf("%2d", current.Day())
+				}
 			} else {
 				dayNum := fmt.Sprintf("%2d", current.Day())
 				if entry, ok := s.moodData[current]; ok {
@@ -313,9 +356,13 @@ func (s *CalendarScreen) buildCalendarGrid() [][]calendarCell {
 
 func (s *CalendarScreen) renderFooter() string {
 	dateStr := formatters.FormatDate(s.selectedDate)
+	modeIcon := constants.Emoji.Calendar
+	if s.viewMode == viewHeatmap {
+		modeIcon = constants.Emoji.Heatmap
+	}
 	if entry, ok := s.moodData[s.selectedDate]; ok {
 		note := formatters.TruncateNote(entry.Note, 25)
-		return fmt.Sprintf("📍 %s | %s %d/10 | %s", dateStr, entry.Level.Emoji(), entry.Level.Int(), note)
+		return fmt.Sprintf("%s %s | %s %d/10 | %s", modeIcon, dateStr, entry.Level.Emoji(), entry.Level.Int(), note)
 	}
-	return fmt.Sprintf("📍 %s | %s", dateStr, s.t(i18n.CalendarNoEntryKey))
+	return fmt.Sprintf("%s %s | %s", modeIcon, dateStr, s.t(i18n.CalendarNoEntryKey))
 }

internal/presentation/tui/screens/history_screen.go

@@ -12,6 +12,7 @@ import (
 	"github.com/ignavan39/mood-diary/internal/infrastructure/i18n"
 	"github.com/ignavan39/mood-diary/internal/presentation/styles"
 	"github.com/ignavan39/mood-diary/internal/presentation/tui/components"
+	"github.com/ignavan39/mood-diary/internal/presentation/tui/constants"
 	"github.com/ignavan39/mood-diary/internal/presentation/tui/formatters"
 	"github.com/ignavan39/mood-diary/internal/presentation/tui/state"
 )
@@ -177,7 +178,7 @@ func (s *HistoryScreen) View() string {
 		Align(lipgloss.Center).
 		Width(s.Width)
 
-	header := headerStyle.Render("📜 " + s.t(i18n.HistoryTitleKey))
+	header := headerStyle.Render(constants.Emoji.History + " " + s.t(i18n.HistoryTitleKey))
 
 	if s.confirmDlg != nil {
 		return lipgloss.JoinVertical(

internal/presentation/tui/screens/language_settings_screen.go

@@ -126,12 +126,12 @@ func (s *LanguageSettingsScreen) View() string {
 	b.WriteString("\n\n")
 
 	if s.Error != nil {
-		b.WriteString(styles.ErrorStyle.Render(s.t(i18n.CommonErrorPrefixKey) + s.Error.Error()))
+		b.WriteString(styles.ErrorStyle(s.t(i18n.CommonErrorPrefixKey) + s.Error.Error()))
 		b.WriteString("\n\n")
 	}
 
 	if s.saved {
-		b.WriteString(styles.SuccessStyle.Render(s.t(i18n.SettingsSuccessEditKey)))
+		b.WriteString(styles.SuccessStyle(s.t(i18n.SettingsSuccessEditKey)))
 		b.WriteString("\n\n")
 		b.WriteString(styles.HelpStyle.Render(s.t(i18n.CommonReturningKey)))
 		return lipgloss.NewStyle().Padding(2, 4).Render(b.String())
@@ -160,7 +160,7 @@ func (s *LanguageSettingsScreen) renderLanguageSelection() string {
 			b.WriteString(constants.ArrowRight + " ")
 			if isCurrent {
 				b.WriteString(styles.SelectedListItemStyle.Render(
-					fmt.Sprintf("%s %s %s", constants.FilledDot, label, constants.Checkmark)))
+					fmt.Sprintf("%s %s %s", constants.FilledDot, label, constants.Emoji.Checkmark)))
 			} else {
 				b.WriteString(styles.SelectedListItemStyle.Render(
 					fmt.Sprintf("%s %s", constants.FilledDot, label)))
@@ -169,7 +169,7 @@ func (s *LanguageSettingsScreen) renderLanguageSelection() string {
 			b.WriteString("  ")
 			if isCurrent {
 				b.WriteString(styles.ListItemStyle.Render(
-					fmt.Sprintf("%s %s %s", constants.EmptyDot, label, constants.Checkmark)))
+					fmt.Sprintf("%s %s %s", constants.EmptyDot, label, constants.Emoji.Checkmark)))
 			} else {
 				b.WriteString(styles.ListItemStyle.Render(
 					fmt.Sprintf("%s %s", constants.EmptyDot, label)))

internal/presentation/tui/screens/menu_screen.go

@@ -44,35 +44,35 @@ func NewMenuScreen(ctx context.Context, translator i18n.Translator) *MenuScreen
 			screen: state.ScreenMoodForm,
 			params: state.MoodFormParams{Date: time.Now(), Entry: nil},
 			key:    "r",
-			icon:   constants.EditIcon,
+			icon:   constants.Emoji.MoodForm,
 		},
 		{
 			label:  s.t(i18n.MenuCalendarKey),
 			screen: state.ScreenCalendar,
 			params: state.CalendarParams{InitialDate: time.Now()},
 			key:    "c",
-			icon:   constants.CalendarIcon,
+			icon:   constants.Emoji.Calendar,
 		},
 		{
 			label:  s.t(i18n.MenuHistoryKey),
 			screen: state.ScreenHistory,
 			params: nil,
 			key:    "h",
-			icon:   constants.HistoryIcon,
+			icon:   constants.Emoji.History,
 		},
 		{
 			label:  s.t(i18n.MenuStatsKey),
 			screen: state.ScreenStats,
 			params: state.StatsParams{Period: "month"},
 			key:    "s",
-			icon:   constants.StatsIcon,
+			icon:   constants.Emoji.Stats,
 		},
 		{
 			label:  s.t(i18n.MenuSettingsKey),
 			screen: state.ScreenSettings,
 			params: nil,
 			key:    "o",
-			icon:   constants.SettingsIcon,
+			icon:   constants.Emoji.Settings,
 		},
 	}