Add ability to load specific entries into an editor

cmd/cromp/editor.go

@@ -0,0 +1,80 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"os/exec"
+
+	"github.com/google/uuid"
+	"github.com/peterbourgon/ff/v2/ffcli"
+	"suah.dev/cromp/db"
+)
+
+// NewEditor makes the "cromp edit" command
+func NewEditor() *ffcli.Command {
+	var editorFlagSet = flag.NewFlagSet("cromp edit", flag.ExitOnError)
+	return &ffcli.Command{
+		Name:       "edit",
+		ShortUsage: "cromp edit id",
+		FlagSet:    editorFlagSet,
+		Exec: func(ctx context.Context, args []string) error {
+			if len(args) != 1 {
+				return fmt.Errorf("please specify the document id")
+			}
+			id, err := uuid.Parse(args[0])
+			if err != nil {
+				return err
+			}
+			updatedEntry, err := OpenInEditor(id)
+			if err != nil {
+				return err
+			}
+
+			fmt.Println(*updatedEntry)
+
+			return nil
+		},
+	}
+}
+
+// OpenInEditor opens a cromp doc in $EDITOR
+func OpenInEditor(id uuid.UUID) (*string, error) {
+	var err error
+	var params db.GetEntryParams
+	resp := &db.Entry{}
+	editor := "vi"
+	s := ""
+
+	params.EntryID = id
+
+	if c := os.Getenv("EDITOR"); c != "" {
+		editor = c
+	}
+	err = Post("/entries/get", params, resp)
+	if err != nil {
+		return nil, err
+	}
+
+	if f, err := ioutil.TempFile("", fmt.Sprintf("cromp-%s", resp.EntryID.String())); err == nil {
+		defer os.Remove(f.Name())
+		f.Write([]byte(resp.Body))
+		cmd := exec.Command(editor, f.Name())
+		cmd.Stdin = os.Stdin
+		cmd.Stdout = os.Stdout
+		cmd.Stderr = os.Stderr
+		err := cmd.Run()
+		if err != nil {
+			return nil, err
+		}
+		b, err := ioutil.ReadFile(f.Name())
+		if err != nil {
+			return nil, err
+		}
+		s = string(b)
+	}
+
+	return &s, err
+}

cmd/cromp/main.go

@@ -21,6 +21,7 @@ func main() {
 		FlagSet:    rootFlagSet,
 		Subcommands: []*ffcli.Command{
 			NewConfig(),
+			NewEditor(),
 			NewLoad(),
 			NewLogin(),
 			NewPOS(),