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635 lines
16 KiB
635 lines
16 KiB
package main
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import (
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"bytes"
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"encoding/json"
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"errors"
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"flag"
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"fmt"
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"io/ioutil"
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"log"
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"net/http"
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"os"
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"sort"
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"strings"
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"sync"
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"time"
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"github.com/BurntSushi/toml"
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"github.com/awesome-gocui/gocui"
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"github.com/curusarn/resh/pkg/cfg"
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"github.com/curusarn/resh/pkg/msg"
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"github.com/curusarn/resh/pkg/records"
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"github.com/curusarn/resh/pkg/searchapp"
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"os/user"
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"path/filepath"
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"strconv"
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)
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// version from git set during build
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var version string
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// commit from git set during build
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var commit string
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// special constant recognized by RESH wrappers
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const exitCodeExecute = 111
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var debug bool
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func main() {
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output, exitCode := runReshCli()
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fmt.Print(output)
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os.Exit(exitCode)
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}
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func runReshCli() (string, int) {
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usr, _ := user.Current()
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dir := usr.HomeDir
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configPath := filepath.Join(dir, "/.config/resh.toml")
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logPath := filepath.Join(dir, ".resh/cli.log")
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f, err := os.OpenFile(logPath, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0644)
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if err != nil {
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log.Fatal("Error opening file:", err)
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}
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defer f.Close()
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log.SetOutput(f)
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var config cfg.Config
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if _, err := toml.DecodeFile(configPath, &config); err != nil {
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log.Fatal("Error reading config:", err)
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}
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if config.Debug {
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debug = true
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log.SetFlags(log.LstdFlags | log.Lmicroseconds)
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log.Println("DEBUG is ON")
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}
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sessionID := flag.String("sessionID", "", "resh generated session id")
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host := flag.String("host", "", "host")
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pwd := flag.String("pwd", "", "present working directory")
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gitOriginRemote := flag.String("gitOriginRemote", "DEFAULT", "git origin remote")
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query := flag.String("query", "", "search query")
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testHistory := flag.String("test-history", "", "load history from a file instead from the daemon (for testing purposes only!)")
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testHistoryLines := flag.Int("test-lines", 0, "the number of lines to load from a file passed with --test-history (for testing purposes only!)")
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flag.Parse()
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if *sessionID == "" {
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log.Println("Error: you need to specify sessionId")
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}
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if *host == "" {
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log.Println("Error: you need to specify HOST")
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}
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if *pwd == "" {
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log.Println("Error: you need to specify PWD")
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}
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if *gitOriginRemote == "DEFAULT" {
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log.Println("Error: you need to specify gitOriginRemote")
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}
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g, err := gocui.NewGui(gocui.OutputNormal, false)
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if err != nil {
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log.Panicln(err)
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}
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defer g.Close()
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g.Cursor = true
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// g.SelFgColor = gocui.ColorGreen
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// g.SelBgColor = gocui.ColorGreen
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g.Highlight = true
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var resp msg.CliResponse
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if *testHistory == "" {
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mess := msg.CliMsg{
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SessionID: *sessionID,
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PWD: *pwd,
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}
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resp = SendCliMsg(mess, strconv.Itoa(config.Port))
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} else {
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resp = searchapp.LoadHistoryFromFile(*testHistory, *testHistoryLines)
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}
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st := state{
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// lock sync.Mutex
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cliRecords: resp.CliRecords,
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initialQuery: *query,
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}
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layout := manager{
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sessionID: *sessionID,
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host: *host,
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pwd: *pwd,
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gitOriginRemote: records.NormalizeGitRemote(*gitOriginRemote),
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config: config,
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s: &st,
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}
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g.SetManager(layout)
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if err := g.SetKeybinding("", gocui.KeyTab, gocui.ModNone, layout.Next); err != nil {
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log.Panicln(err)
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}
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if err := g.SetKeybinding("", gocui.KeyArrowDown, gocui.ModNone, layout.Next); err != nil {
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log.Panicln(err)
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}
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if err := g.SetKeybinding("", gocui.KeyCtrlN, gocui.ModNone, layout.Next); err != nil {
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log.Panicln(err)
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}
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if err := g.SetKeybinding("", gocui.KeyArrowUp, gocui.ModNone, layout.Prev); err != nil {
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log.Panicln(err)
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}
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if err := g.SetKeybinding("", gocui.KeyCtrlP, gocui.ModNone, layout.Prev); err != nil {
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log.Panicln(err)
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}
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if err := g.SetKeybinding("", gocui.KeyArrowRight, gocui.ModNone, layout.SelectPaste); err != nil {
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log.Panicln(err)
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}
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if err := g.SetKeybinding("", gocui.KeyEnter, gocui.ModNone, layout.SelectExecute); err != nil {
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log.Panicln(err)
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}
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if err := g.SetKeybinding("", gocui.KeyCtrlG, gocui.ModNone, layout.AbortPaste); err != nil {
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log.Panicln(err)
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}
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if err := g.SetKeybinding("", gocui.KeyCtrlC, gocui.ModNone, quit); err != nil {
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log.Panicln(err)
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}
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if err := g.SetKeybinding("", gocui.KeyCtrlD, gocui.ModNone, quit); err != nil {
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log.Panicln(err)
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}
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if err := g.SetKeybinding("", gocui.KeyCtrlR, gocui.ModNone, layout.SwitchModes); err != nil {
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log.Panicln(err)
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}
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layout.UpdateData(*query)
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layout.UpdateRawData(*query)
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err = g.MainLoop()
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if err != nil && !errors.Is(err, gocui.ErrQuit) {
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log.Panicln(err)
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}
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return layout.s.output, layout.s.exitCode
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}
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type state struct {
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lock sync.Mutex
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cliRecords []records.CliRecord
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data []searchapp.Item
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rawData []searchapp.RawItem
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highlightedItem int
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displayedItemsCount int
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rawMode bool
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initialQuery string
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output string
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exitCode int
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}
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type manager struct {
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sessionID string
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host string
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pwd string
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gitOriginRemote string
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config cfg.Config
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s *state
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}
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func (m manager) SelectExecute(g *gocui.Gui, v *gocui.View) error {
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m.s.lock.Lock()
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defer m.s.lock.Unlock()
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if m.s.rawMode {
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if m.s.highlightedItem < len(m.s.rawData) {
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m.s.output = m.s.rawData[m.s.highlightedItem].CmdLine
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m.s.exitCode = exitCodeExecute
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return gocui.ErrQuit
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}
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} else {
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if m.s.highlightedItem < len(m.s.data) {
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m.s.output = m.s.data[m.s.highlightedItem].CmdLine
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m.s.exitCode = exitCodeExecute
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return gocui.ErrQuit
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}
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}
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return nil
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}
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func (m manager) SelectPaste(g *gocui.Gui, v *gocui.View) error {
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m.s.lock.Lock()
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defer m.s.lock.Unlock()
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if m.s.rawMode {
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if m.s.highlightedItem < len(m.s.rawData) {
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m.s.output = m.s.rawData[m.s.highlightedItem].CmdLine
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m.s.exitCode = 0 // success
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return gocui.ErrQuit
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}
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} else {
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if m.s.highlightedItem < len(m.s.data) {
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m.s.output = m.s.data[m.s.highlightedItem].CmdLine
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m.s.exitCode = 0 // success
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return gocui.ErrQuit
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}
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}
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return nil
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}
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func (m manager) AbortPaste(g *gocui.Gui, v *gocui.View) error {
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m.s.lock.Lock()
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defer m.s.lock.Unlock()
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if m.s.highlightedItem < len(m.s.data) {
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m.s.output = v.Buffer()
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m.s.exitCode = 0 // success
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return gocui.ErrQuit
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}
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return nil
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}
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type dedupRecord struct {
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dataIndex int
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score float32
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}
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func (m manager) UpdateData(input string) {
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if debug {
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log.Println("EDIT start")
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log.Println("len(fullRecords) =", len(m.s.cliRecords))
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log.Println("len(data) =", len(m.s.data))
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}
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query := searchapp.NewQueryFromString(input, m.host, m.pwd, m.gitOriginRemote, m.config.Debug)
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var data []searchapp.Item
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itemSet := make(map[string]int)
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m.s.lock.Lock()
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defer m.s.lock.Unlock()
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for _, rec := range m.s.cliRecords {
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itm, err := searchapp.NewItemFromRecordForQuery(rec, query, m.config.Debug)
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if err != nil {
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// records didn't match the query
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// log.Println(" * continue (no match)", rec.Pwd)
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continue
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}
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if idx, ok := itemSet[itm.Key]; ok {
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// duplicate found
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if data[idx].Score >= itm.Score {
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// skip duplicate item
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continue
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}
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// update duplicate item
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data[idx] = itm
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continue
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}
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// add new item
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itemSet[itm.Key] = len(data)
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data = append(data, itm)
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}
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if debug {
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log.Println("len(tmpdata) =", len(data))
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}
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sort.SliceStable(data, func(p, q int) bool {
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return data[p].Score > data[q].Score
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})
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m.s.data = nil
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for _, itm := range data {
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if len(m.s.data) > 420 {
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break
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}
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m.s.data = append(m.s.data, itm)
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}
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m.s.highlightedItem = 0
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if debug {
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log.Println("len(fullRecords) =", len(m.s.cliRecords))
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log.Println("len(data) =", len(m.s.data))
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log.Println("EDIT end")
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}
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}
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func (m manager) UpdateRawData(input string) {
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if m.config.Debug {
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log.Println("EDIT start")
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log.Println("len(fullRecords) =", len(m.s.cliRecords))
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log.Println("len(data) =", len(m.s.data))
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}
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query := searchapp.GetRawTermsFromString(input, m.config.Debug)
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var data []searchapp.RawItem
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itemSet := make(map[string]bool)
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m.s.lock.Lock()
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defer m.s.lock.Unlock()
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for _, rec := range m.s.cliRecords {
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itm, err := searchapp.NewRawItemFromRecordForQuery(rec, query, m.config.Debug)
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if err != nil {
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// records didn't match the query
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// log.Println(" * continue (no match)", rec.Pwd)
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continue
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}
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if itemSet[itm.Key] {
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// log.Println(" * continue (already present)", itm.key(), itm.pwd)
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continue
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}
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itemSet[itm.Key] = true
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data = append(data, itm)
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// log.Println("DATA =", itm.display)
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}
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if debug {
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log.Println("len(tmpdata) =", len(data))
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}
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sort.SliceStable(data, func(p, q int) bool {
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return data[p].Score > data[q].Score
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})
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m.s.rawData = nil
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for _, itm := range data {
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if len(m.s.rawData) > 420 {
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break
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}
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m.s.rawData = append(m.s.rawData, itm)
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}
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m.s.highlightedItem = 0
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if debug {
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log.Println("len(fullRecords) =", len(m.s.cliRecords))
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log.Println("len(data) =", len(m.s.data))
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log.Println("EDIT end")
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}
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}
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func (m manager) Edit(v *gocui.View, key gocui.Key, ch rune, mod gocui.Modifier) {
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gocui.DefaultEditor.Edit(v, key, ch, mod)
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if m.s.rawMode {
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m.UpdateRawData(v.Buffer())
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return
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}
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m.UpdateData(v.Buffer())
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}
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func (m manager) Next(g *gocui.Gui, v *gocui.View) error {
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m.s.lock.Lock()
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defer m.s.lock.Unlock()
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if m.s.highlightedItem < m.s.displayedItemsCount-1 {
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m.s.highlightedItem++
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}
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return nil
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}
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func (m manager) Prev(g *gocui.Gui, v *gocui.View) error {
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m.s.lock.Lock()
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defer m.s.lock.Unlock()
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if m.s.highlightedItem > 0 {
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m.s.highlightedItem--
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}
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return nil
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}
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func (m manager) SwitchModes(g *gocui.Gui, v *gocui.View) error {
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m.s.lock.Lock()
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m.s.rawMode = !m.s.rawMode
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m.s.lock.Unlock()
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if m.s.rawMode {
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m.UpdateRawData(v.Buffer())
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return nil
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}
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m.UpdateData(v.Buffer())
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return nil
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}
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func (m manager) Layout(g *gocui.Gui) error {
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var b byte
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maxX, maxY := g.Size()
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v, err := g.SetView("input", 0, 0, maxX-1, 2, b)
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if err != nil && !errors.Is(err, gocui.ErrUnknownView) {
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log.Panicln(err.Error())
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}
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v.Editable = true
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v.Editor = m
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if m.s.rawMode {
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v.Title = " RESH SEARCH - NON-CONTEXTUAL \"RAW\" MODE - (CTRL+R to switch BACK) "
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} else {
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v.Title = " RESH SEARCH - CONTEXTUAL MODE - (CTRL+R to switch to RAW MODE) "
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}
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g.SetCurrentView("input")
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m.s.lock.Lock()
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defer m.s.lock.Unlock()
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if len(m.s.initialQuery) > 0 {
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v.WriteString(m.s.initialQuery)
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v.SetCursor(len(m.s.initialQuery), 0)
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m.s.initialQuery = ""
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}
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v, err = g.SetView("body", 0, 2, maxX-1, maxY, b)
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if err != nil && !errors.Is(err, gocui.ErrUnknownView) {
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log.Panicln(err.Error())
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}
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v.Frame = false
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v.Autoscroll = false
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v.Clear()
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v.Rewind()
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if m.s.rawMode {
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return m.rawMode(g, v)
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}
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return m.normalMode(g, v)
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}
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func quit(g *gocui.Gui, v *gocui.View) error {
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return gocui.ErrQuit
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}
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const smallTerminalTresholdWidth = 110
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func (m manager) normalMode(g *gocui.Gui, v *gocui.View) error {
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maxX, maxY := g.Size()
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compactRenderingMode := false
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if maxX < smallTerminalTresholdWidth {
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compactRenderingMode = true
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}
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data := []searchapp.ItemColumns{}
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header := searchapp.GetHeader(compactRenderingMode)
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longestDateLen := len(header.Date)
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longestLocationLen := len(header.Host) + len(header.PwdTilde)
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longestFlagsLen := 2
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maxPossibleMainViewHeight := maxY - 3 - 1 - 1 - 1 // - top box - header - status - help
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for i, itm := range m.s.data {
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if i == maxY {
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break
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}
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ic := itm.DrawItemColumns(compactRenderingMode, debug)
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data = append(data, ic)
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if i > maxPossibleMainViewHeight {
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// do not stretch columns because of results that will end up outside of the page
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continue
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}
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if len(ic.Date) > longestDateLen {
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longestDateLen = len(ic.Date)
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}
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if len(ic.Host)+len(ic.PwdTilde) > longestLocationLen {
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longestLocationLen = len(ic.Host) + len(ic.PwdTilde)
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}
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if len(ic.Flags) > longestFlagsLen {
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longestFlagsLen = len(ic.Flags)
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}
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}
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maxLocationLen := maxX/7 + 8
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if longestLocationLen > maxLocationLen {
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longestLocationLen = maxLocationLen
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}
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if m.s.highlightedItem >= len(m.s.data) {
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m.s.highlightedItem = len(m.s.data) - 1
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}
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// status line
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topBoxHeight := 3 // size of the query box up top
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topBoxHeight++ // headers
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realLineLength := maxX - 2
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printedLineLength := maxX - 4
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statusLine := searchapp.GetEmptyStatusLine(printedLineLength, realLineLength)
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if m.s.highlightedItem != -1 && m.s.highlightedItem < len(m.s.data) {
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statusLine = m.s.data[m.s.highlightedItem].DrawStatusLine(compactRenderingMode, printedLineLength, realLineLength)
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}
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var statusLineHeight int = len(statusLine)
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helpLineHeight := 1
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const helpLine = "HELP: type to search, UP/DOWN or CTRL+P/N to select, RIGHT to edit, ENTER to execute, CTRL+G to abort, CTRL+C/D to quit; " +
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"FLAGS: G = this git repo, E# = exit status #"
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// "TIP: when resh-cli is launched command line is used as initial search query"
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mainViewHeight := maxY - topBoxHeight - statusLineHeight - helpLineHeight
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m.s.displayedItemsCount = mainViewHeight
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// header
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// header := getHeader()
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|
dispStr, _ := header.ProduceLine(longestDateLen, longestLocationLen, longestFlagsLen, true, true, debug)
|
|
dispStr = searchapp.DoHighlightHeader(dispStr, maxX*2)
|
|
v.WriteString(dispStr + "\n")
|
|
|
|
var index int
|
|
for index < len(data) {
|
|
itm := data[index]
|
|
if index == mainViewHeight {
|
|
// page is full
|
|
break
|
|
}
|
|
|
|
displayStr, _ := itm.ProduceLine(longestDateLen, longestLocationLen, longestFlagsLen, false, true, debug)
|
|
if m.s.highlightedItem == index {
|
|
// maxX * 2 because there are escape sequences that make it hard to tell the real string length
|
|
displayStr = searchapp.DoHighlightString(displayStr, maxX*3)
|
|
if debug {
|
|
log.Println("### HightlightedItem string :", displayStr)
|
|
}
|
|
} else if debug {
|
|
log.Println(displayStr)
|
|
}
|
|
if strings.Contains(displayStr, "\n") {
|
|
log.Println("display string contained \\n")
|
|
displayStr = strings.ReplaceAll(displayStr, "\n", "#")
|
|
if debug {
|
|
log.Println("display string contained \\n")
|
|
}
|
|
}
|
|
v.WriteString(displayStr + "\n")
|
|
index++
|
|
}
|
|
// push the status line to the bottom of the page
|
|
for index < mainViewHeight {
|
|
v.WriteString("\n")
|
|
index++
|
|
}
|
|
for _, line := range statusLine {
|
|
v.WriteString(line)
|
|
}
|
|
v.WriteString(helpLine)
|
|
if debug {
|
|
log.Println("len(data) =", len(m.s.data))
|
|
log.Println("highlightedItem =", m.s.highlightedItem)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (m manager) rawMode(g *gocui.Gui, v *gocui.View) error {
|
|
maxX, maxY := g.Size()
|
|
topBoxSize := 3
|
|
m.s.displayedItemsCount = maxY - topBoxSize
|
|
|
|
for i, itm := range m.s.rawData {
|
|
if i == maxY {
|
|
if debug {
|
|
log.Println(maxY)
|
|
}
|
|
break
|
|
}
|
|
displayStr := itm.CmdLineWithColor
|
|
if m.s.highlightedItem == i {
|
|
// use actual min requried length instead of 420 constant
|
|
displayStr = searchapp.DoHighlightString(displayStr, maxX*2)
|
|
if debug {
|
|
log.Println("### HightlightedItem string :", displayStr)
|
|
}
|
|
} else if debug {
|
|
log.Println(displayStr)
|
|
}
|
|
if strings.Contains(displayStr, "\n") {
|
|
log.Println("display string contained \\n")
|
|
displayStr = strings.ReplaceAll(displayStr, "\n", "#")
|
|
if debug {
|
|
log.Println("display string contained \\n")
|
|
}
|
|
}
|
|
v.WriteString(displayStr + "\n")
|
|
// if m.s.highlightedItem == i {
|
|
// v.SetHighlight(m.s.highlightedItem, true)
|
|
// }
|
|
}
|
|
if debug {
|
|
log.Println("len(data) =", len(m.s.data))
|
|
log.Println("highlightedItem =", m.s.highlightedItem)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// SendCliMsg to daemon
|
|
func SendCliMsg(m msg.CliMsg, port string) msg.CliResponse {
|
|
recJSON, err := json.Marshal(m)
|
|
if err != nil {
|
|
log.Fatalf("Failed to marshal message: %v\n", err)
|
|
}
|
|
|
|
req, err := http.NewRequest(
|
|
"POST",
|
|
"http://localhost:"+port+"/dump",
|
|
bytes.NewBuffer(recJSON))
|
|
if err != nil {
|
|
log.Fatalf("Failed to build request: %v\n", err)
|
|
}
|
|
req.Header.Set("Content-Type", "application/json")
|
|
|
|
client := http.Client{
|
|
Timeout: 3 * time.Second,
|
|
}
|
|
resp, err := client.Do(req)
|
|
if err != nil {
|
|
log.Fatal("resh-daemon is not running - try restarting this terminal")
|
|
}
|
|
|
|
defer resp.Body.Close()
|
|
body, err := ioutil.ReadAll(resp.Body)
|
|
if err != nil {
|
|
log.Fatalf("Read response error: %v\n", err)
|
|
}
|
|
// log.Println(string(body))
|
|
response := msg.CliResponse{}
|
|
err = json.Unmarshal(body, &response)
|
|
if err != nil {
|
|
log.Fatalf("Unmarshal resp error: %v\n", err)
|
|
}
|
|
if debug {
|
|
log.Printf("Recieved %d records from daemon\n", len(response.CliRecords))
|
|
}
|
|
return response
|
|
}
|
|
|