Re-structure packages

Overhaul of package structure and other cleanup.

config/config.go

@@ -1,4 +1,4 @@
-package internal
+package config
 
 import (
 	"errors"
@@ -7,6 +7,7 @@ import (
 	"os"
 	"runtime"
 
+	"github.com/davegallant/srv/file"
 	"gopkg.in/yaml.v2"
 )
 
@@ -25,7 +26,7 @@ var DefaultConfiguration = Configuration{
 	},
 }
 
-// Determines the default viewer
+// DetermineExternalViewer checks the OS to decide the default viewer
 func DetermineExternalViewer() (string, error) {
 	switch os := runtime.GOOS; os {
 	case "linux":
@@ -38,17 +39,14 @@ func DetermineExternalViewer() (string, error) {
 }
 
 // LoadConfiguration takes a filename (configuration) and loads it.
-func LoadConfiguration(file string) Configuration {
+func LoadConfiguration(f string) Configuration {
 	var config Configuration
 
-	// If the configuration file does not exist,
-	// write a default config
-	_, err := os.Stat(file)
-	if os.IsNotExist(err) {
-		WriteConfig(DefaultConfiguration, file)
+	if !file.Exists(f) {
+		WriteConfig(DefaultConfiguration, f)
 	}
 
-	data, err := ioutil.ReadFile(file)
+	data, err := ioutil.ReadFile(f)
 
 	if err != nil {
 		log.Println(err)
@@ -77,7 +75,7 @@ func WriteConfig(config Configuration, file string) error {
 		log.Fatalf("Unable to marshal default config: %v", err)
 	}
 
-	err = ioutil.WriteFile(file, c, 0644)
+	err = ioutil.WriteFile(file, c, 0600)
 	if err != nil {
 		log.Fatalf("Unable to write default config: %v", err)
 	}

config/config_test.go

@@ -1,4 +1,4 @@
-package internal
+package config
 
 import (
 	"testing"

controller/controller.go

@@ -0,0 +1,22 @@
+package controller
+
+import (
+	"time"
+
+	config "github.com/davegallant/srv/config"
+	feeds "github.com/davegallant/srv/feeds"
+)
+
+// Controller keeps everything together
+type Controller struct {
+	Config     config.Configuration
+	lastUpdate time.Time
+	Rss        *feeds.RSS
+}
+
+// Init initiates the controller with config
+func (c *Controller) Init(conf string) {
+	c.Config = config.LoadConfiguration(conf)
+	c.Rss = &feeds.RSS{}
+	c.Rss.Update(c.Config.Feeds)
+}

cui/keybindings.go

@@ -0,0 +1,29 @@
+package cui
+
+import "github.com/jroimartin/gocui"
+
+// Map keys to actions
+func keybindings(g *gocui.Gui) error {
+	if err := g.SetKeybinding("", gocui.KeyTab, gocui.ModNone, nextView); err != nil {
+		return err
+	}
+	if err := g.SetKeybinding("", gocui.KeyArrowDown, gocui.ModNone, cursorDown); err != nil {
+		return err
+	}
+	if err := g.SetKeybinding("", gocui.KeyArrowUp, gocui.ModNone, cursorUp); err != nil {
+		return err
+	}
+	if err := g.SetKeybinding("", gocui.KeyCtrlC, gocui.ModNone, quit); err != nil {
+		return err
+	}
+	if err := g.SetKeybinding("feeds", gocui.KeyEnter, gocui.ModNone, openFeed); err != nil {
+		return err
+	}
+	if err := g.SetKeybinding("Items", gocui.KeyEnter, gocui.ModNone, openItem); err != nil {
+		return err
+	}
+	if err := g.SetKeybinding("", gocui.KeyF5, gocui.ModNone, refreshFeeds); err != nil {
+		return err
+	}
+	return nil
+}

cui/main.go

@@ -1,17 +1,18 @@
-package cmd
+package cui
 
 import (
 	"fmt"
 	"log"
 	"os/exec"
 	"os/user"
+	"path"
 
-	"github.com/davegallant/srv/internal"
+	"github.com/davegallant/srv/controller"
 	"github.com/jroimartin/gocui"
 )
 
 // Controller can access Feeds and Config
-var Controller *internal.Controller
+var Controller *controller.Controller
 
 var (
 	viewArr     = []string{"feeds", "Items"}
@@ -94,37 +95,11 @@ func hideLoading(g *gocui.Gui) error {
 
 func refreshFeeds(g *gocui.Gui, v *gocui.View) error {
 	showLoading(g)
-	Controller.Rss.Update()
+	Controller.Rss.Update(Controller.Config.Feeds)
 	//hideLoading(g)
 	return nil
 }
 
-// statically map all of the keys
-func keybindings(g *gocui.Gui) error {
-	if err := g.SetKeybinding("", gocui.KeyTab, gocui.ModNone, nextView); err != nil {
-		return err
-	}
-	if err := g.SetKeybinding("", gocui.KeyArrowDown, gocui.ModNone, cursorDown); err != nil {
-		return err
-	}
-	if err := g.SetKeybinding("", gocui.KeyArrowUp, gocui.ModNone, cursorUp); err != nil {
-		return err
-	}
-	if err := g.SetKeybinding("", gocui.KeyCtrlC, gocui.ModNone, quit); err != nil {
-		return err
-	}
-	if err := g.SetKeybinding("feeds", gocui.KeyEnter, gocui.ModNone, openFeed); err != nil {
-		return err
-	}
-	if err := g.SetKeybinding("Items", gocui.KeyEnter, gocui.ModNone, openItem); err != nil {
-		return err
-	}
-	if err := g.SetKeybinding("", gocui.KeyF5, gocui.ModNone, refreshFeeds); err != nil {
-		return err
-	}
-	return nil
-}
-
 func setCurrentViewOnTop(g *gocui.Gui, name string) (*gocui.View, error) {
 	if _, err := g.SetCurrentView(name); err != nil {
 		return nil, err
@@ -195,9 +170,9 @@ func Start() {
 	if err != nil {
 		log.Fatal(err)
 	}
-	configPath := usr.HomeDir + "/.config/srv/config.yaml"
+	configPath := path.Join(usr.HomeDir, ".config", "srv", "config.yaml")
 
-	Controller = &internal.Controller{}
+	Controller = &controller.Controller{}
 	Controller.Init(configPath)
 
 	g, err := gocui.NewGui(gocui.OutputNormal)

feeds/rss.go

@@ -1,4 +1,4 @@
-package internal
+package feeds
 
 import (
 	"fmt"
@@ -12,20 +12,15 @@ import (
 
 type RSS struct {
 	Feeds []*gofeed.Feed
-	c     *Controller
-}
-
-func (r *RSS) New(c *Controller) {
-	r.c = c
 }
 
 // Update fetches all articles for all feeds
-func (r *RSS) Update() {
+func (r *RSS) Update(feeds []string) {
 	fp := gofeed.NewParser()
 	var wg sync.WaitGroup
 	var mux sync.Mutex
 	r.Feeds = []*gofeed.Feed{}
-	for _, f := range r.c.Config.Feeds {
+	for _, f := range feeds {
 		f := f
 		wg.Add(1)
 		go func() {

file/file.go

@@ -0,0 +1,15 @@
+// Package file contains filesystem functions
+package file
+
+import (
+	"os"
+)
+
+// Exists returns true if a file exists
+func Exists(filename string) bool {
+	info, err := os.Stat(filename)
+	if os.IsNotExist(err) {
+		return false
+	}
+	return !info.IsDir()
+}

internal/controller.go

@@ -1,18 +0,0 @@
-package internal
-
-import "time"
-
-// Controller keeps everything together
-type Controller struct {
-	Config     Configuration
-	lastUpdate time.Time
-	Rss        *RSS
-}
-
-// Init initiates the controller with config
-func (c *Controller) Init(config string) {
-	c.Config = LoadConfiguration(config)
-	c.Rss = &RSS{}
-	c.Rss.New(c)
-	c.Rss.Update()
-}

main.go

@@ -1,9 +1,9 @@
 package main
 
-import "github.com/davegallant/srv/cmd"
+import cui "github.com/davegallant/srv/cui"
 
 func main() {
 
-	cmd.Start()
+	cui.Start()
 
 }