add search function

cmd/review/main.go

@@ -1,12 +1,15 @@
 package main
 
 import (
+	"bytes"
 	"database/sql"
 	"errors"
 	"fmt"
 	"math/rand"
 	"os"
+	"os/exec"
 	"os/user"
+	"strconv"
 	"strings"
 	"time"
 
@@ -88,6 +91,42 @@ func renderNotes(s models.TownSignup) string {
 	return out
 }
 
+func searchSignups(signups []*models.TownSignup) (int, error) {
+	escapeNuls := func(str string) string {
+		return strings.ReplaceAll(str, "\000", " ")
+	}
+
+	buf := new(bytes.Buffer)
+
+	for ix, signup := range signups {
+		fmt.Fprintf(buf, "%d\t%s\000", ix, escapeNuls(signup.Email))
+		fmt.Fprintf(buf, "%d\t%s\000", ix, escapeNuls(signup.How))
+		fmt.Fprintf(buf, "%d\t%s\000", ix, escapeNuls(signup.Links))
+		fmt.Fprintf(buf, "%d\t%s\000", ix, escapeNuls(signup.Why))
+	}
+
+	cmd := exec.Command("fzf", "--read0", "--delimiter=\t", "--tac", "--with-nth=2..")
+	cmd.Stdin = buf
+	cmd.Stderr = os.Stderr
+
+	out, err := cmd.Output()
+	if err != nil {
+		return -1, err
+	}
+
+	if len(out) == 0 {
+		return -1, nil
+	}
+
+	s := strings.Split(string(out[:]), "\t")[0]
+	n, err := strconv.Atoi(s)
+	if err != nil {
+		return -1, err
+	}
+
+	return n, nil
+}
+
 func _main() error {
 	inviteDB, err := invites.ConnectDB()
 	if err != nil {
@@ -136,7 +175,7 @@ func _main() error {
 	appView.SetDynamicColors(true)
 
 	legend := tview.NewTextView()
-	legend.SetText("s/S: next/prev r: random A: approve R: reject N: notate Q: quit")
+	legend.SetText("s/S: next/prev r: random F: find A: approve R: reject N: notate Q: quit")
 	legend.SetTextColor(tcell.ColorPurple)
 	legend.SetTextAlign(tview.AlignCenter)
 	legend.SetBackgroundColor(tcell.ColorBlack)
@@ -391,6 +430,28 @@ func _main() error {
 			}
 			pages.SwitchToPage("notate")
 			return nil
+		case 'F':
+			app.Suspend(func() {
+				ix, err := searchSignups(signups)
+				if err != nil {
+					if exiterr, ok := err.(*exec.ExitError); ok {
+						// no match or interrupt. who cares
+						switch exiterr.ExitCode() {
+						case 1: case 130:
+							return
+						}
+					}
+
+					errorModal.SetText(fmt.Sprintf("error! failed to search: %s", err.Error()))
+					pages.SwitchToPage("error")
+				} else if ix >= 0 {
+					signupIx = ix
+				}
+			})
+
+			updateCount()
+			render()
+			return nil
 		case 'Q':
 			app.Stop()
 		}