Split up logger and widget

This allows us to use the logger from the wtf directory
For example when trying to debug sort ordering in focus_tracker

flags/flags.go

@@ -7,7 +7,7 @@ import (
 
 	goFlags "github.com/jessevdk/go-flags"
 	"github.com/wtfutil/wtf/help"
-	"github.com/wtfutil/wtf/wtf"
+	"github.com/wtfutil/wtf/utils"
 )
 
 type Flags struct {
@@ -63,7 +63,7 @@ func (flags *Flags) Parse() {
 	// If no config file is explicitly passed in as a param,
 	// set the flag to the default config file
 	if !flags.HasConfig() {
-		homeDir, err := wtf.Home()
+		homeDir, err := utils.Home()
 		if err != nil {
 			fmt.Printf("Error: %v\n", err)
 			os.Exit(1)

logger/log.go

@@ -1,46 +1,21 @@
 package logger
 
 import (
-	"fmt"
 	"log"
 	"os"
 	"path/filepath"
-	"strings"
 
-	"github.com/rivo/tview"
+	"github.com/wtfutil/wtf/utils"
-	"github.com/wtfutil/wtf/wtf"
 )
 
-const maxBufferSize int64 = 1024
-
-type Widget struct {
-	wtf.TextWidget
-
-	app      *tview.Application
-	filePath string
-	settings *Settings
-}
-
-func NewWidget(app *tview.Application, settings *Settings) *Widget {
-	widget := Widget{
-		TextWidget: wtf.NewTextWidget(app, settings.common, true),
-
-		app:      app,
-		filePath: logFilePath(),
-		settings: settings,
-	}
-
-	return &widget
-}
-
 /* -------------------- Exported Functions -------------------- */
 
 func Log(msg string) {
-	if logFileMissing() {
+	if LogFileMissing() {
 		return
 	}
 
-	f, err := os.OpenFile(logFilePath(), os.O_RDWR|os.O_CREATE|os.O_APPEND, 0600)
+	f, err := os.OpenFile(LogFilePath(), os.O_RDWR|os.O_CREATE|os.O_APPEND, 0600)
 	if err != nil {
 		log.Fatalf("error opening file: %v", err)
 	}
@@ -50,87 +25,15 @@ func Log(msg string) {
 	log.Println(msg)
 }
 
-// Refresh updates the onscreen contents of the widget
+func LogFileMissing() bool {
-func (widget *Widget) Refresh() {
+	return LogFilePath() == ""
-	if logFileMissing() {
-		return
-	}
-
-	logLines := widget.tailFile()
-
-	widget.app.QueueUpdateDraw(func() {
-		widget.View.SetTitle(widget.CommonSettings.Title)
-		widget.View.SetText(widget.contentFrom(logLines))
-	})
 }
 
-/* -------------------- Unexported Functions -------------------- */
+func LogFilePath() string {
-
+	dir, err := utils.Home()
-func (widget *Widget) contentFrom(logLines []string) string {
-	str := ""
-
-	for _, line := range logLines {
-		chunks := strings.Split(line, " ")
-
-		if len(chunks) >= 4 {
-			str = str + fmt.Sprintf(
-				"[green]%s[white] [yellow]%s[white] %s\n",
-				chunks[0],
-				chunks[1],
-				strings.Join(chunks[3:], " "),
-			)
-		}
-	}
-
-	return str
-}
-
-func logFileMissing() bool {
-	return logFilePath() == ""
-}
-
-func logFilePath() string {
-	dir, err := wtf.Home()
 	if err != nil {
 		return ""
 	}
 
 	return filepath.Join(dir, ".config", "wtf", "log.txt")
 }
-
-func (widget *Widget) tailFile() []string {
-	file, err := os.Open(widget.filePath)
-	if err != nil {
-		return []string{}
-	}
-	defer file.Close()
-
-	stat, err := file.Stat()
-	if err != nil {
-		return []string{}
-	}
-
-	bufferSize := maxBufferSize
-	if maxBufferSize > stat.Size() {
-		bufferSize = stat.Size()
-	}
-
-	startPos := stat.Size() - bufferSize
-
-	buff := make([]byte, bufferSize)
-	_, err = file.ReadAt(buff, startPos)
-	if err != nil {
-		return []string{}
-	}
-
-	logLines := strings.Split(string(buff), "\n")
-
-	// Reverse the array of lines
-	// Offset by two to account for the blank line at the end
-	last := len(logLines) - 2
-	for i := 0; i < len(logLines)/2; i++ {
-		logLines[i], logLines[last-i] = logLines[last-i], logLines[i]
-	}
-
-	return logLines
-}

main.go

@@ -18,6 +18,7 @@ import (
 	"github.com/wtfutil/wtf/cfg"
 	"github.com/wtfutil/wtf/flags"
 	"github.com/wtfutil/wtf/maker"
+	"github.com/wtfutil/wtf/utils"
 	"github.com/wtfutil/wtf/wtf"
 )
 
@@ -65,7 +66,7 @@ func refreshAllWidgets(widgets []wtf.Wtfable) {
 
 func watchForConfigChanges(app *tview.Application, configFilePath string, grid *tview.Grid, pages *tview.Pages) {
 	watch := watcher.New()
-	absPath, _ := wtf.ExpandHomeDir(configFilePath)
+	absPath, _ := utils.ExpandHomeDir(configFilePath)
 
 	// Notify write events
 	watch.FilterOps(watcher.Write)

maker/widget_maker.go

@@ -3,7 +3,6 @@ package maker
 import (
 	"github.com/olebedev/config"
 	"github.com/rivo/tview"
-	"github.com/wtfutil/wtf/logger"
 	"github.com/wtfutil/wtf/modules/bamboohr"
 	"github.com/wtfutil/wtf/modules/bargraph"
 	"github.com/wtfutil/wtf/modules/circleci"
@@ -25,6 +24,7 @@ import (
 	"github.com/wtfutil/wtf/modules/ipaddresses/ipinfo"
 	"github.com/wtfutil/wtf/modules/jenkins"
 	"github.com/wtfutil/wtf/modules/jira"
+	"github.com/wtfutil/wtf/modules/logger"
 	"github.com/wtfutil/wtf/modules/mercurial"
 	"github.com/wtfutil/wtf/modules/nbascore"
 	"github.com/wtfutil/wtf/modules/newrelic"

modules/datadog/widget.go

@@ -39,6 +39,7 @@ func NewWidget(app *tview.Application, pages *tview.Pages, settings *Settings) *
 		KeyboardWidget: wtf.NewKeyboardWidget(),
 		TextWidget:     wtf.NewTextWidget(app, settings.common, true),
 
+		app:      app,
 		settings: settings,
 	}
 

modules/gcal/client.go

@@ -19,7 +19,7 @@ import (
 	"time"
 
 	"github.com/wtfutil/wtf/cfg"
-	"github.com/wtfutil/wtf/wtf"
+	"github.com/wtfutil/wtf/utils"
 	"golang.org/x/oauth2"
 	"golang.org/x/oauth2/google"
 	"google.golang.org/api/calendar/v3"
@@ -30,7 +30,7 @@ import (
 func (widget *Widget) Fetch() ([]*CalEvent, error) {
 	ctx := context.Background()
 
-	secretPath, _ := wtf.ExpandHomeDir(widget.settings.secretFile)
+	secretPath, _ := utils.ExpandHomeDir(widget.settings.secretFile)
 
 	b, err := ioutil.ReadFile(secretPath)
 	if err != nil {
@@ -123,7 +123,7 @@ func isAuthenticated() bool {
 }
 
 func (widget *Widget) authenticate() {
-	secretPath, _ := wtf.ExpandHomeDir(widget.settings.secretFile)
+	secretPath, _ := utils.ExpandHomeDir(widget.settings.secretFile)
 
 	b, err := ioutil.ReadFile(secretPath)
 	if err != nil {

modules/gspreadsheets/client.go

@@ -18,6 +18,7 @@ import (
 	"path/filepath"
 	"strings"
 
+	"github.com/wtfutil/wtf/utils"
 	"github.com/wtfutil/wtf/wtf"
 	"golang.org/x/oauth2"
 	"golang.org/x/oauth2/google"
@@ -29,7 +30,7 @@ import (
 func (widget *Widget) Fetch() ([]*sheets.ValueRange, error) {
 	ctx := context.Background()
 
-	secretPath, _ := wtf.ExpandHomeDir(widget.settings.secretFile)
+	secretPath, _ := utils.ExpandHomeDir(widget.settings.secretFile)
 
 	b, err := ioutil.ReadFile(secretPath)
 	if err != nil {

modules/logger/widget.go

@@ -0,0 +1,105 @@
+package logger
+
+import (
+	"fmt"
+	"os"
+	"strings"
+
+	"github.com/rivo/tview"
+	log "github.com/wtfutil/wtf/logger"
+	"github.com/wtfutil/wtf/wtf"
+)
+
+const maxBufferSize int64 = 1024
+
+type Widget struct {
+	wtf.TextWidget
+
+	app      *tview.Application
+	filePath string
+	settings *Settings
+}
+
+func NewWidget(app *tview.Application, settings *Settings) *Widget {
+	widget := Widget{
+		TextWidget: wtf.NewTextWidget(app, settings.common, true),
+
+		app:      app,
+		filePath: log.LogFilePath(),
+		settings: settings,
+	}
+
+	return &widget
+}
+
+// Refresh updates the onscreen contents of the widget
+func (widget *Widget) Refresh() {
+	if log.LogFileMissing() {
+		return
+	}
+
+	logLines := widget.tailFile()
+
+	widget.app.QueueUpdateDraw(func() {
+		widget.View.SetTitle(widget.CommonSettings.Title)
+		widget.View.SetText(widget.contentFrom(logLines))
+	})
+}
+
+/* -------------------- Unexported Functions -------------------- */
+
+func (widget *Widget) contentFrom(logLines []string) string {
+	str := ""
+
+	for _, line := range logLines {
+		chunks := strings.Split(line, " ")
+
+		if len(chunks) >= 4 {
+			str = str + fmt.Sprintf(
+				"[green]%s[white] [yellow]%s[white] %s\n",
+				chunks[0],
+				chunks[1],
+				strings.Join(chunks[3:], " "),
+			)
+		}
+	}
+
+	return str
+}
+
+func (widget *Widget) tailFile() []string {
+	file, err := os.Open(widget.filePath)
+	if err != nil {
+		return []string{}
+	}
+	defer file.Close()
+
+	stat, err := file.Stat()
+	if err != nil {
+		return []string{}
+	}
+
+	bufferSize := maxBufferSize
+	if maxBufferSize > stat.Size() {
+		bufferSize = stat.Size()
+	}
+
+	startPos := stat.Size() - bufferSize
+
+	buff := make([]byte, bufferSize)
+	_, err = file.ReadAt(buff, startPos)
+	if err != nil {
+		return []string{}
+	}
+
+	logLines := strings.Split(string(buff), "\n")
+
+	// Reverse the array of lines
+	// Offset by two to account for the blank line at the end
+	last := len(logLines) - 2
+	for i := 0; i < len(logLines)/2; i++ {
+		logLines[i], logLines[last-i] = logLines[last-i], logLines[i]
+	}
+
+	return logLines
+}

modules/textfile/widget.go

@@ -14,6 +14,7 @@ import (
 	"github.com/alecthomas/chroma/styles"
 	"github.com/radovskyb/watcher"
 	"github.com/rivo/tview"
+	"github.com/wtfutil/wtf/utils"
 	"github.com/wtfutil/wtf/wtf"
 )
 
@@ -98,7 +99,7 @@ func (widget *Widget) fileName() string {
 }
 
 func (widget *Widget) formattedText() string {
-	filePath, _ := wtf.ExpandHomeDir(widget.CurrentSource())
+	filePath, _ := utils.ExpandHomeDir(widget.CurrentSource())
 
 	file, err := os.Open(filePath)
 	if err != nil {
@@ -129,7 +130,7 @@ func (widget *Widget) formattedText() string {
 }
 
 func (widget *Widget) plainText() string {
-	filePath, _ := wtf.ExpandHomeDir(widget.CurrentSource())
+	filePath, _ := utils.ExpandHomeDir(widget.CurrentSource())
 
 	fmt.Println(filePath)
 
@@ -159,7 +160,7 @@ func (widget *Widget) watchForFileChanges() {
 
 	// Watch each textfile for changes
 	for _, source := range widget.Sources {
-		fullPath, err := wtf.ExpandHomeDir(source)
+		fullPath, err := utils.ExpandHomeDir(source)
 		if err == nil {
 			if err := watch.Add(fullPath); err != nil {
 				log.Fatalln(err)

utils/homedir.go

@@ -2,7 +2,7 @@
 
 // Copied (mostly) verbatim from https://github.com/Atrox/homedir
 
-package wtf
+package utils
 
 import (
 	"errors"

wtf/utils.go

@@ -7,6 +7,8 @@ import (
 	"regexp"
 	"runtime"
 	"strings"
+
+	"github.com/wtfutil/wtf/utils"
 )
 
 const SimpleDateFormat = "Jan 2"
@@ -92,7 +94,7 @@ func OpenFile(path string) {
 		default:
 		}
 	} else {
-		filePath, _ := ExpandHomeDir(path)
+		filePath, _ := utils.ExpandHomeDir(path)
 		cmd := exec.Command(OpenFileUtil, filePath)
 		ExecuteCommand(cmd)
 	}