Files
teaqlite/internal/app/table_list.go
2025-07-13 20:09:58 -07:00

332 lines
7.3 KiB
Go

package app
import (
"fmt"
"sort"
"strings"
tea "github.com/charmbracelet/bubbletea"
)
type TableListModel struct {
Shared *SharedData
searchInput string
searching bool
selectedTable int
currentPage int
gPressed bool
}
func NewTableListModel(shared *SharedData) *TableListModel {
return &TableListModel{
Shared: shared,
selectedTable: 0,
currentPage: 0,
}
}
func (m *TableListModel) Init() tea.Cmd {
return nil
}
func (m *TableListModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
switch msg := msg.(type) {
case tea.KeyMsg:
if m.searching {
return m.handleSearchInput(msg)
}
return m.handleNavigation(msg)
}
return m, nil
}
func (m *TableListModel) handleSearchInput(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
switch msg.String() {
case "esc", "enter":
m.searching = false
m.filterTables()
case "backspace":
if len(m.searchInput) > 0 {
m.searchInput = m.searchInput[:len(m.searchInput)-1]
m.filterTables()
}
default:
if len(msg.String()) == 1 {
m.searchInput += msg.String()
m.filterTables()
}
}
return m, nil
}
func (m *TableListModel) handleNavigation(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
switch msg.String() {
case "esc":
if m.searchInput != "" {
// Clear search filter
m.searchInput = ""
m.filterTables()
m.gPressed = false
return m, nil
}
// If no filter, escape does nothing (could exit app but that's handled at higher level)
m.gPressed = false
return m, nil
case "/":
m.searching = true
m.searchInput = ""
m.gPressed = false
return m, nil
case "g":
if m.gPressed {
// Second g - go to beginning
m.selectedTable = 0
m.currentPage = 0
m.gPressed = false
} else {
// First g - wait for second g
m.gPressed = true
}
return m, nil
case "G":
// Go to end
if len(m.Shared.FilteredTables) > 0 {
m.selectedTable = len(m.Shared.FilteredTables) - 1
m.adjustPage()
}
m.gPressed = false
return m, nil
case "enter":
m.gPressed = false
if len(m.Shared.FilteredTables) > 0 {
return m, func() tea.Msg {
return SwitchToTableDataMsg{TableIndex: m.selectedTable}
}
}
case "s":
m.gPressed = false
return m, func() tea.Msg { return SwitchToQueryMsg{} }
case "r":
m.gPressed = false
if err := m.Shared.LoadTables(); err == nil {
m.filterTables()
}
case "up", "k":
m.gPressed = false
if m.selectedTable > 0 {
m.selectedTable--
m.adjustPage()
}
case "down", "j":
m.gPressed = false
if m.selectedTable < len(m.Shared.FilteredTables)-1 {
m.selectedTable++
m.adjustPage()
}
case "left", "h":
m.gPressed = false
if m.currentPage > 0 {
m.currentPage--
m.selectedTable = m.currentPage * m.getVisibleCount()
}
case "right", "l":
m.gPressed = false
maxPage := (len(m.Shared.FilteredTables) - 1) / m.getVisibleCount()
if m.currentPage < maxPage {
m.currentPage++
m.selectedTable = m.currentPage * m.getVisibleCount()
if m.selectedTable >= len(m.Shared.FilteredTables) {
m.selectedTable = len(m.Shared.FilteredTables) - 1
}
}
default:
// Any other key resets the g state
m.gPressed = false
}
return m, nil
}
func (m *TableListModel) filterTables() {
if m.searchInput == "" {
m.Shared.FilteredTables = make([]string, len(m.Shared.Tables))
copy(m.Shared.FilteredTables, m.Shared.Tables)
} else {
// Fuzzy search with scoring
type tableMatch struct {
name string
score int
}
var matches []tableMatch
searchLower := strings.ToLower(m.searchInput)
for _, table := range m.Shared.Tables {
score := m.fuzzyScore(strings.ToLower(table), searchLower)
if score > 0 {
matches = append(matches, tableMatch{name: table, score: score})
}
}
// Sort by score (highest first)
sort.Slice(matches, func(i, j int) bool {
return matches[i].score > matches[j].score
})
// Extract sorted table names
m.Shared.FilteredTables = make([]string, len(matches))
for i, match := range matches {
m.Shared.FilteredTables[i] = match.name
}
}
if m.selectedTable >= len(m.Shared.FilteredTables) {
m.selectedTable = 0
m.currentPage = 0
}
}
// fuzzyScore calculates a fuzzy match score between text and pattern
// Returns 0 for no match, higher scores for better matches
func (m *TableListModel) fuzzyScore(text, pattern string) int {
if pattern == "" {
return 1
}
textLen := len(text)
patternLen := len(pattern)
if patternLen > textLen {
return 0
}
// Exact match gets highest score
if text == pattern {
return 1000
}
// Prefix match gets high score
if strings.HasPrefix(text, pattern) {
return 900
}
// Contains match gets medium score
if strings.Contains(text, pattern) {
return 800
}
// Fuzzy character sequence matching
score := 0
textIdx := 0
patternIdx := 0
consecutiveMatches := 0
for textIdx < textLen && patternIdx < patternLen {
if text[textIdx] == pattern[patternIdx] {
score += 10
consecutiveMatches++
// Bonus for consecutive matches
if consecutiveMatches > 1 {
score += consecutiveMatches * 5
}
// Bonus for matches at word boundaries
if textIdx == 0 || text[textIdx-1] == '_' || text[textIdx-1] == '-' {
score += 20
}
patternIdx++
} else {
consecutiveMatches = 0
}
textIdx++
}
// Must match all pattern characters
if patternIdx < patternLen {
return 0
}
// Bonus for shorter text (more precise match)
score += (100 - textLen)
return score
}
func (m *TableListModel) getVisibleCount() int {
reservedLines := 8
if m.searching {
reservedLines += 2
}
return Max(1, m.Shared.Height-reservedLines)
}
func (m *TableListModel) adjustPage() {
visibleCount := m.getVisibleCount()
m.currentPage = m.selectedTable / visibleCount
}
func (m *TableListModel) View() string {
var content strings.Builder
content.WriteString(TitleStyle.Render("SQLite TUI - Tables"))
content.WriteString("\n")
if m.searching {
content.WriteString("\nSearch: " + m.searchInput + "_")
content.WriteString("\n")
} else if m.searchInput != "" {
content.WriteString(fmt.Sprintf("\nFiltered by: %s (%d/%d tables)",
m.searchInput, len(m.Shared.FilteredTables), len(m.Shared.Tables)))
content.WriteString("\n")
}
content.WriteString("\n")
if len(m.Shared.FilteredTables) == 0 {
if m.searchInput != "" {
content.WriteString("No tables match your search")
} else {
content.WriteString("No tables found in database")
}
} else {
visibleCount := m.getVisibleCount()
startIdx := m.currentPage * visibleCount
endIdx := Min(startIdx+visibleCount, len(m.Shared.FilteredTables))
for i := startIdx; i < endIdx; i++ {
table := m.Shared.FilteredTables[i]
if i == m.selectedTable {
content.WriteString(SelectedStyle.Render(fmt.Sprintf("> %s", table)))
} else {
content.WriteString(NormalStyle.Render(fmt.Sprintf(" %s", table)))
}
content.WriteString("\n")
}
if len(m.Shared.FilteredTables) > visibleCount {
totalPages := (len(m.Shared.FilteredTables)-1)/visibleCount + 1
content.WriteString(fmt.Sprintf("\nPage %d/%d", m.currentPage+1, totalPages))
}
}
content.WriteString("\n")
if m.searching {
content.WriteString(HelpStyle.Render("Type to search • enter/esc: finish search"))
} else {
content.WriteString(HelpStyle.Render("↑/↓: navigate • ←/→: page • /: search • enter: view • s: SQL • r: refresh • gg/G: first/last • ctrl+c: quit"))
}
return content.String()
}