From f3637b45986d097f85d97844febb764ad3c22eda Mon Sep 17 00:00:00 2001
From: Anis Ahmad <anisniit@gmail.com>
Date: Sun, 21 Jun 2020 04:43:43 +0600
Subject: [PATCH] Editing in external editor working - issue with Mouse

---
 app/task_detail.go | 83 +++++++++++++++++++++++++++++++++++++++++-----
 app/tasks.go       |  6 ++--
 build.sh           |  1 +
 3 files changed, 80 insertions(+), 10 deletions(-)

diff --git a/app/task_detail.go b/app/task_detail.go
index b963602..b09e0f5 100644
--- a/app/task_detail.go
+++ b/app/task_detail.go
@@ -2,6 +2,9 @@ package main
 
 import (
 	"fmt"
+	"io/ioutil"
+	"os"
+	"os/exec"
 	"time"
 
 	"github.com/gdamore/tcell"
@@ -11,6 +14,7 @@ import (
 
 	"github.com/ajaxray/geek-life/model"
 	"github.com/ajaxray/geek-life/repository"
+	"github.com/ajaxray/geek-life/util"
 )
 
 const dateLayoutISO = "2006-01-02"
@@ -175,14 +179,7 @@ func (td *TaskDetailPane) prepareDetailsEditor() {
 	td.taskDetailView.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
 		switch event.Key() {
 		case tcell.KeyEsc:
-			td.task.Details = td.taskDetailView.Buf.String()
-			err := taskRepo.Update(td.task)
-			if err == nil {
-				statusBar.showForSeconds("[lime]Saved task detail", 5)
-			} else {
-				statusBar.showForSeconds("[red]Could not save: "+err.Error(), 5)
-			}
-
+			td.updateTaskNote(td.taskDetailView.Buf.String())
 			td.deactivateEditor()
 			return nil
 		}
@@ -191,6 +188,16 @@ func (td *TaskDetailPane) prepareDetailsEditor() {
 	})
 }
 
+func (td *TaskDetailPane) updateTaskNote(note string) {
+	td.task.Details = note
+	err := taskRepo.Update(td.task)
+	if err == nil {
+		statusBar.showForSeconds("[lime]Saved task detail", 5)
+	} else {
+		statusBar.showForSeconds("[red]Could not save: "+err.Error(), 5)
+	}
+}
+
 func makeBufferFromString(content string) *femto.Buffer {
 	buff := femto.NewBufferFromString(content, "")
 	// taskDetail.Settings["ruler"] = false
@@ -217,6 +224,64 @@ func (td *TaskDetailPane) deactivateEditor() {
 	app.SetFocus(td)
 }
 
+func (td *TaskDetailPane) editInExternalEditor() {
+
+	tmpFileName, err := writeToTmpFile(td.task.Details)
+	if err != nil {
+		statusBar.showForSeconds("[red::]Failed to create tmp file. Try in-app editing by pressing i", 5)
+		return
+	}
+
+	var messageToShow, updatedContent string
+	app.Suspend(func() {
+		cmd := exec.Command(util.GetEnvStr("EDITOR", "vim"), tmpFileName)
+		cmd.Stdin = os.Stdin
+		cmd.Stdout = os.Stdout
+		cmd.Stderr = os.Stderr
+		if err := cmd.Run(); err != nil {
+			messageToShow = "[red::]Failed to save content. Try in-app editing by pressing i"
+			return
+		}
+
+		if content, readErr := ioutil.ReadFile(tmpFileName); readErr == nil {
+			updatedContent = string(content)
+		} else {
+			messageToShow = "[red::]Failed to load external editing. Try in-app editing by pressing i"
+		}
+	})
+
+	if messageToShow != "" {
+		statusBar.showForSeconds(messageToShow, 10)
+	}
+
+	if updatedContent != "" {
+		td.updateTaskNote(updatedContent)
+		td.SetTask(td.task)
+	}
+
+	app.ForceDraw()
+	// @TODO: Not working - fix it
+	app.EnableMouse(true)
+	_ = os.Remove(tmpFileName)
+
+	// app.SetFocus(td)
+}
+
+// writeToTmpFile writes given content to a tmpFile and returns the filename
+func writeToTmpFile(content string) (string, error) {
+	tmpFile, err := ioutil.TempFile("", "geek_life_task_note_*.md")
+	if err != nil {
+		return "", err
+	}
+	fileName := tmpFile.Name()
+
+	if err = ioutil.WriteFile(fileName, []byte(content), 0777); err != nil {
+		return "", err
+	}
+
+	return fileName, tmpFile.Close()
+}
+
 func (td *TaskDetailPane) handleShortcuts(event *tcell.EventKey) *tcell.EventKey {
 	switch event.Key() {
 	case tcell.KeyEsc:
@@ -229,6 +294,8 @@ func (td *TaskDetailPane) handleShortcuts(event *tcell.EventKey) *tcell.EventKey
 		switch event.Rune() {
 		case 'e':
 			td.activateEditor()
+		case 'v':
+			td.editInExternalEditor()
 		case 'd':
 			app.SetFocus(td.taskDate)
 		case ' ':
diff --git a/app/tasks.go b/app/tasks.go
index 453a105..c2ff906 100644
--- a/app/tasks.go
+++ b/app/tasks.go
@@ -147,8 +147,10 @@ func (pane *TaskPane) ClearCompletedTasks() {
 
 func (pane TaskPane) setHintMessage() {
 	if len(projectPane.projects) == 0 {
-		pane.hint.SetText("Welcome to the organized life!\n------------------------------\n Create TaskList/Project at the bottom of Projects pane.\n (Press p,n)")
+		pane.hint.SetText("Welcome to the organized life!\n------------------------------\n Create TaskList/Project at the bottom of Projects pane.\n (Press p,n) \n\nHelp - https://bit.ly/cli-task")
 	} else {
-		pane.hint.SetText("Select a TaskList/Project to load tasks.\nPress p,n to create new Project.")
+		pane.hint.SetText("Select a TaskList/Project to load tasks.\nPress p,n to create new Project.\n\nHelp - https://bit.ly/cli-task")
 	}
+
+	// Add: For help - https://bit.ly/cli-task
 }
diff --git a/build.sh b/build.sh
index cd44bd6..f4ec039 100644
--- a/build.sh
+++ b/build.sh
@@ -1,3 +1,4 @@
+# go build -o geek-life ./app
 env GOOS=darwin GOARCH=amd64 go build -ldflags="-s -w" -o builds/geek-life_darwin-amd64 ./app
 env GOOS=linux GOARCH=amd64 go build -ldflags="-s -w" -o builds/geek-life_linux-amd64 ./app
 env GOOS=linux GOARCH=arm64 go build -ldflags="-s -w" -o builds/geek-life_linux-arm64 ./app