319 lines
9.2 KiB
Go
319 lines
9.2 KiB
Go
// Package ui implements the interactive terminal UI: a single bubbletea
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// Model with a small screen stack, backed by the real system/store/keymgr
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// operations — every action taken here (create user, lock, edit group
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// hosts, export) performs the actual privileged operation immediately, then
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// records it to the audit log and (for state changes) commits it to the
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// git-backed state store.
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package ui
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import (
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"fmt"
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"time"
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"github.com/charmbracelet/bubbles/list"
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"github.com/charmbracelet/bubbles/textinput"
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tea "github.com/charmbracelet/bubbletea"
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"github.com/charmbracelet/lipgloss"
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"ssh-access-tui/internal/audit"
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"ssh-access-tui/internal/config"
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"ssh-access-tui/internal/keymgr"
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"ssh-access-tui/internal/model"
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"ssh-access-tui/internal/store"
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)
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type screen int
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const (
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scrMenu screen = iota
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scrUsers
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scrUserNew
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scrUserNewGroups
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scrCatalogHosts
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scrHostForm
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scrCatalogServices
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scrServiceForm
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scrGroups
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scrGroupForm
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scrGroupHostsPick
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scrExportSelect
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scrExportResult
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scrConfigUpdateResult
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scrAudit
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scrQuitConfirm
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scrConfirmAction
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)
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// confirmKind identifies which destructive action scrConfirmAction is
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// guarding, so a single generic confirm screen can back every one of them
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// instead of duplicating the "are you sure" plumbing per action.
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type confirmKind int
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const (
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confirmNone confirmKind = iota
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confirmLockUser
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confirmDeleteUser
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confirmDeleteHost
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confirmDeleteService
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confirmDeleteGroup
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confirmExportRotate
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)
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// Colors are deliberately ANSI-native (0-15) rather than fixed 256-color
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// codes: those map to whatever palette the user's own terminal is themed
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// with, so they stay legible in both light and dark terminals. The bubbles
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// list widget's default title style paints a fixed 256-color background
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// ("62", blue-purple) with near-white text, which reads badly in many
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// terminal themes — newList below overrides it with a plain bold
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// foreground and no background fill for the same reason.
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var (
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titleStyle = lipgloss.NewStyle().Bold(true).Foreground(lipgloss.Color("5")).Padding(0, 1)
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errStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("1"))
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okStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("2"))
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warnStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("3"))
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borderStyle = lipgloss.NewStyle().Border(lipgloss.RoundedBorder()).BorderForeground(lipgloss.Color("8")).Padding(1, 2)
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listTitleStyle = lipgloss.NewStyle().Bold(true).Foreground(lipgloss.Color("6")).Padding(0, 1)
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)
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// newList builds a list.Model with the corrected (readable) title style
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// applied, so every screen gets it instead of bubbles' low-contrast default.
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func newList(items []list.Item, title string, w, h int) list.Model {
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l := list.New(items, list.NewDefaultDelegate(), w, h)
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l.Title = title
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l.Styles.Title = listTitleStyle
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l.SetShowStatusBar(false)
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return l
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}
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// Model is the root bubbletea model for the whole application.
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type Model struct {
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cfg config.Config
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st *store.Store
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screen screen
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err string
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status string
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menu list.Model
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usersList list.Model
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userNewName textinput.Model
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userNewComment textinput.Model
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userNewFocus int
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userNewGroupsSel map[string]bool
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userNewGroupsOrder []string
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userNewCursor int
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userGroupsEditTarget string // non-empty: editing this existing user's groups instead of creating a new user
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// catalog: hosts and their services, shared across groups
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catalogHostsList list.Model
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hostForm [3]textinput.Model // name, address, description
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hostFormFocus int
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hostFormEditTarget string // "" = creating a new host
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selectedHost string // catalog host currently open in scrCatalogServices/scrServiceForm
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catalogServicesList list.Model
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serviceForm [3]textinput.Model // name, port, description
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serviceFormFocus int
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serviceFormEditTarget string // "" = creating a new service
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// groups: named policies that reference a subset of catalog hosts
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groupsList list.Model
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groupForm [2]textinput.Model // name, description
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groupFormFocus int
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groupFormEditTarget string // "" = creating a new group
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selectedGroup string
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groupHostsPickSel map[string]bool
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groupHostsPickOrder []string
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groupHostsPickCursor int
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exportSel map[string]bool
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exportOrder []string
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exportCursor int
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exportChosen []string // selection pending confirmation (if any rotation) or already run
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exportRes []keymgr.BuildResult
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exportPass string
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exportErr string
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onlineSessions []audit.OnlineSession
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recentEvents []audit.Event
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quitReturnTo screen // screen to go back to if quit is cancelled
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quitPending []string // usernames with no key issued yet, shown on scrQuitConfirm
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// generic confirmation for destructive actions (lock/delete user,
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// delete host/service/group, export key rotation) — see confirm.go.
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// Confirming requires typing back a freshly generated token, not just
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// pressing enter/y, so a destructive action can never fire from a
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// reflexive keypress.
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pendingConfirm confirmKind
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confirmTarget string
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confirmMessage string
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confirmReturnTo screen
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confirmToken string
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confirmInput textinput.Model
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confirmError string
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configUpdateUser string
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configUpdateArchive string
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configUpdatePass string
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width, height int
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}
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// New builds the initial Model rooted at the given config and store.
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//
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// All list.Model fields are initialized here via list.New (not left as the
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// zero value), even for screens the user hasn't visited yet: bubbletea
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// delivers a WindowSizeMsg immediately on startup, which fans out to
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// SetSize on every list in Update — and list.Model.SetSize on an
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// uninitialized zero-value list panics (nil pagination model).
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func New(cfg config.Config, st *store.Store) Model {
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m := Model{cfg: cfg, st: st}
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m.menu = newMenuList()
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m.usersList = newList(nil, "Пользователи", 0, 0)
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m.catalogHostsList = newList(nil, "Хосты и сервисы", 0, 0)
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m.catalogServicesList = newList(nil, "Сервисы", 0, 0)
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m.groupsList = newList(nil, "Группы", 0, 0)
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return m
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}
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func (m Model) Init() tea.Cmd { return nil }
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func (m *Model) loadState() *model.State {
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st, err := m.st.Load()
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if err != nil {
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m.err = err.Error()
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return &model.State{}
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}
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return st
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}
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func (m *Model) mutate(commitMsg string, fn func(st *model.State) error) {
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err := m.st.WithLock(func() error {
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st, err := m.st.Load()
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if err != nil {
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return err
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}
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if err := fn(st); err != nil {
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return err
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}
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return m.st.Save(st, commitMsg)
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})
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if err != nil {
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m.err = err.Error()
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} else {
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m.err = ""
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m.status = commitMsg
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}
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}
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func (m *Model) logAudit(user, action, detail string) {
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_ = audit.Append(m.cfg.AuditLog, audit.Event{Time: time.Now(), User: user, Action: action, Detail: detail})
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}
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func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
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switch msg := msg.(type) {
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case tea.WindowSizeMsg:
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m.width, m.height = msg.Width, msg.Height
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listW, listH := msg.Width-4, msg.Height-8
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m.menu.SetSize(listW, listH)
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m.usersList.SetSize(listW, listH)
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m.catalogHostsList.SetSize(listW, listH)
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m.catalogServicesList.SetSize(listW, listH)
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m.groupsList.SetSize(listW, listH)
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return m, nil
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case tea.KeyMsg:
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if msg.String() == "ctrl+c" {
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return m, tea.Quit
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}
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}
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switch m.screen {
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case scrMenu:
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return m.updateMenu(msg)
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case scrUsers:
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return m.updateUsers(msg)
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case scrUserNew:
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return m.updateUserNew(msg)
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case scrUserNewGroups:
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return m.updateUserNewGroups(msg)
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case scrCatalogHosts:
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return m.updateCatalogHosts(msg)
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case scrHostForm:
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return m.updateHostForm(msg)
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case scrCatalogServices:
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return m.updateCatalogServices(msg)
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case scrServiceForm:
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return m.updateServiceForm(msg)
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case scrGroups:
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return m.updateGroups(msg)
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case scrGroupForm:
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return m.updateGroupForm(msg)
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case scrGroupHostsPick:
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return m.updateGroupHostsPick(msg)
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case scrExportSelect:
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return m.updateExportSelect(msg)
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case scrExportResult:
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return m.updateExportResult(msg)
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case scrConfigUpdateResult:
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return m.updateConfigUpdateResult(msg)
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case scrAudit:
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return m.updateAudit(msg)
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case scrQuitConfirm:
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return m.updateQuitConfirm(msg)
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case scrConfirmAction:
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return m.updateConfirmAction(msg)
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}
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return m, nil
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}
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func (m Model) View() string {
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var body string
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switch m.screen {
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case scrMenu:
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body = m.viewMenu()
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case scrUsers:
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body = m.viewUsers()
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case scrUserNew:
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body = m.viewUserNew()
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case scrUserNewGroups:
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body = m.viewUserNewGroups()
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case scrCatalogHosts:
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body = m.viewCatalogHosts()
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case scrHostForm:
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body = m.viewHostForm()
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case scrCatalogServices:
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body = m.viewCatalogServices()
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case scrServiceForm:
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body = m.viewServiceForm()
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case scrGroups:
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body = m.viewGroups()
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case scrGroupForm:
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body = m.viewGroupForm()
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case scrGroupHostsPick:
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body = m.viewGroupHostsPick()
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case scrExportSelect:
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body = m.viewExportSelect()
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case scrExportResult:
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body = m.viewExportResult()
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case scrConfigUpdateResult:
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body = m.viewConfigUpdateResult()
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case scrAudit:
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body = m.viewAudit()
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case scrQuitConfirm:
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body = m.viewQuitConfirm()
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case scrConfirmAction:
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body = m.viewConfirmAction()
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}
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footer := ""
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if m.err != "" {
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footer = errStyle.Render("ошибка: " + m.err)
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} else if m.status != "" {
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footer = okStyle.Render(m.status)
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}
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return fmt.Sprintf("%s\n\n%s\n", body, footer)
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}
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