Bump github.com/stretchr/testify from 1.7.0 to 1.8.1 (#51)

Bumps [github.com/stretchr/testify](https://github.com/stretchr/testify) from 1.7.0 to 1.8.1.
- [Release notes](https://github.com/stretchr/testify/releases)
- [Commits](https://github.com/stretchr/testify/compare/v1.7.0...v1.8.1)

---
updated-dependencies:
- dependency-name: github.com/stretchr/testify
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/dependabot.yml

@@ -0,0 +1,8 @@
+version: 2
+updates:
+- package-ecosystem: gomod
+  directory: "/"
+  schedule:
+    interval: daily
+    time: "10:00"
+  open-pull-requests-limit: 10

.github/workflows/codeql-analysis.yml

@@ -0,0 +1,27 @@
+name: "Code scanning - action"
+
+on:
+  push:
+  pull_request:
+  schedule:
+    - cron: '0 4 * * 1'
+
+jobs:
+  CodeQL-Build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2
+      with:
+        fetch-depth: 2
+
+    - run: git checkout HEAD^2
+      if: ${{ github.event_name == 'pull_request' }}
+
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v1
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v1

.github/workflows/reviewdog.yml

@@ -0,0 +1,52 @@
+name: reviewdog
+on: [pull_request]
+jobs:
+  # NOTE: golangci-lint doesn't report multiple errors on the same line from
+  # different linters and just report one of the errors?
+
+  golangci-lint:
+    name: runner / golangci-lint
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v1
+      - name: golangci-lint
+        uses: docker://reviewdog/action-golangci-lint:v1 # Pre-built image
+        # uses: reviewdog/action-golangci-lint@v1 # Build with Dockerfile
+        # uses: docker://reviewdog/action-golangci-lint:v1.0.2 # Can use specific version.
+        # uses: reviewdog/action-golangci-lint@v1.0.2 # Can use specific version.
+        with:
+          github_token: ${{ secrets.github_token }}
+          # Can pass --config flag to change golangci-lint behavior and target
+          # directory.
+          golangci_lint_flags: "--config=.github/.golangci.yml ./testdata"
+
+  # Use golint via golangci-lint binary with "warning" level.
+  golint:
+    name: runner / golint
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v1
+      - name: golint
+        uses: reviewdog/action-golangci-lint@v1
+        with:
+          github_token: ${{ secrets.github_token }}
+          golangci_lint_flags: "--disable-all -E golint"
+          tool_name: golint # Change reporter name.
+          level: warning # GitHub Status Check won't become failure with this level.
+
+  # You can add more and more supported linters with different config.
+  errcheck:
+    name: runner / errcheck
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v1
+      - name: errcheck
+        uses: reviewdog/action-golangci-lint@v1
+        with:
+          github_token: ${{ secrets.github_token }}
+          golangci_lint_flags: "--disable-all -E errcheck"
+          tool_name: errcheck
+          level: info

.github/workflows/test.yml

@@ -0,0 +1,18 @@
+on: [push, pull_request]
+name: Test
+jobs:
+  test:
+    strategy:
+      matrix:
+        go-version: [1.14.x, 1.15.x]
+        os: [ubuntu-latest, macos-latest]
+    runs-on: ${{ matrix.os }}
+    steps:
+    - name: Install Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: ${{ matrix.go-version }}
+    - name: Checkout code
+      uses: actions/checkout@v2
+    - name: Test
+      run: go test ./...

.travis.yml

@@ -4,6 +4,7 @@ go:
   - "1.14"
 before_script:
   - make build
+  - make lint
   - make test
 deploy:
 - provider: script

Makefile

@@ -8,3 +8,7 @@ build: ## Builds the binary
 test: ## Run unit tests
 	go test -v ./...
 .PHONY: test
+
+lint: ## Run lint
+	go get github.com/golangci/golangci-lint/cmd/golangci-lint@v1.27.0
+	golangci-lint run

README.md

@@ -1,32 +1,50 @@
 # srv
 
+[![Build Status](https://travis-ci.org/davegallant/srv.svg?branch=master)](https://travis-ci.org/davegallant/srv)
+[![Go Report Card](https://goreportcard.com/badge/github.com/davegallant/srv)](https://goreportcard.com/report/github.com/davegallant/srv)
+
 View RSS feeds from the terminal.
 
-![image](https://user-images.githubusercontent.com/4519234/77839285-49077c00-7149-11ea-80ad-76efda38615e.png)
+![image](https://user-images.githubusercontent.com/4519234/86504202-b861bd00-bd83-11ea-8a8e-4f28e38a71ce.png)
+
+
+## install
+
+### via releases
+
+```shell
+curl -fsSL https://raw.githubusercontent.com/davegallant/srv/master/install.sh | bash
+```
+
+### via go
+
+```shell
+go get github.com/davegallant/srv
+```
 
 ## configure
 
-srv reads configuration from `~/.config/srv/config.yaml`
+srv reads configuration from `~/.config/srv/config.yml`
 
 If a configuration is not provided, a default configuration is generated.
 
 - `feeds` is a list of RSS/Atom feeds to be loaded in srv.
 - `externalViewer` defines an application to override the default web browser (optional).
 
-An example config can be copied:
+An example config can be found [here](./config-example.yml).
 
-```shell
-cp ./config-example.yaml ~/.config/srv/config.yaml
-```
-
-## control
+## navigate
 
 Key mappings are statically defined for the time being.
 
-- `TAB` switches between Feeds and Items.
-- `UP/DOWN` navigates feeds and items`
-- `ENTER` either selects a feed or opens a feed item in an external application.
-- `F5` refresh list of feeds
+| Key       | Description                                                           |
+|:---------:| --------------------------------------------------------------------- |
+| `TAB`     | switches between Feeds and Items.                                     |
+| `UP/DOWN` | navigates feeds and items`                                            |
+| `ENTER`   | either selects a feed or opens a feed item in an external application.|
+| `CTRL+R`  | refresh list of feeds                                                 |
+| `CTRL+C`  | quit                                                                  |
+
 
 ## build
 
@@ -39,3 +57,9 @@ make build
 ```shell
 make test
 ```
+
+## lint
+
+```shell
+make lint
+```

cmd/start.go

@@ -1,218 +0,0 @@
-package cmd
-
-import (
-	"fmt"
-	"log"
-	"os/exec"
-	"os/user"
-
-	"github.com/davegallant/srv/internal"
-	"github.com/jroimartin/gocui"
-)
-
-// Controller can access Feeds and Config
-var Controller *internal.Controller
-
-var (
-	viewArr     = []string{"feeds", "Items"}
-	active      = 0
-	currentFeed = 0 // TODO: move to Controller
-)
-
-func cursorDown(g *gocui.Gui, v *gocui.View) error {
-	if v != nil {
-		cx, cy := v.Cursor()
-		if err := v.SetCursor(cx, cy+1); err != nil {
-			v.SetCursor(cx, cy-1)
-		}
-	}
-	return nil
-}
-
-func cursorUp(g *gocui.Gui, v *gocui.View) error {
-	if v != nil {
-		ox, oy := v.Origin()
-		cx, cy := v.Cursor()
-		if err := v.SetCursor(cx, cy-1); err != nil && oy > 0 {
-			if err := v.SetOrigin(ox, oy-1); err != nil {
-				return err
-			}
-		}
-	}
-	return nil
-}
-
-// openFeed opens all items in the feed
-func openFeed(g *gocui.Gui, v *gocui.View) error {
-	_, cy := v.Cursor()
-	currentFeed = cy
-	feed := Controller.Rss.Feeds[currentFeed]
-	ov, _ := g.View("Items")
-
-	ov.Clear()
-	for _, item := range feed.Items {
-		fmt.Fprintln(ov, "-", item.Title)
-	}
-	nextView(g, ov)
-
-	return nil
-}
-
-// openItem opens the feed in an external browser
-func openItem(g *gocui.Gui, v *gocui.View) error {
-	_, cy := v.Cursor()
-	item := Controller.Rss.Feeds[currentFeed].Items[cy]
-	viewer := Controller.Config.ExternalViewer
-	err := exec.Command(viewer, item.Link).Start()
-
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	return nil
-}
-
-func showLoading(g *gocui.Gui) error {
-	maxX, maxY := g.Size()
-	if v, err := g.SetView("loading", maxX/2-4, maxY/2-1, maxX/2+4, maxY/2+1); err != nil {
-		if err != gocui.ErrUnknownView {
-			return err
-		}
-		fmt.Fprintln(v, "Loading")
-	}
-	return nil
-}
-
-func hideLoading(g *gocui.Gui) error {
-	if err := g.DeleteView("loading"); err != nil {
-		if err != gocui.ErrUnknownView {
-			return err
-		}
-	}
-	return nil
-}
-
-func refreshFeeds(g *gocui.Gui, v *gocui.View) error {
-	showLoading(g)
-	Controller.Rss.Update()
-	//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
-	}
-	return g.SetViewOnTop(name)
-}
-
-func nextView(g *gocui.Gui, v *gocui.View) error {
-	nextIndex := (active + 1) % len(viewArr)
-	name := viewArr[nextIndex]
-
-	_, err := g.View("Items")
-	if err != nil {
-		return err
-	}
-
-	if _, err := setCurrentViewOnTop(g, name); err != nil {
-		return err
-	}
-
-	if nextIndex == 0 || nextIndex == 3 {
-		g.Cursor = true
-	} else {
-		g.Cursor = false
-	}
-
-	active = nextIndex
-	return nil
-}
-
-func layout(g *gocui.Gui) error {
-	maxX, maxY := g.Size()
-	if v, err := g.SetView("feeds", 0, 0, maxX-1, maxY/4-1); err != nil {
-		if err != gocui.ErrUnknownView {
-			return err
-		}
-		v.Title = "Feeds"
-		v.Highlight = true
-		v.SelBgColor = gocui.ColorGreen
-		v.SelFgColor = gocui.ColorBlack
-
-		if _, err = setCurrentViewOnTop(g, "feeds"); err != nil {
-			return err
-		}
-		for _, f := range Controller.Rss.Feeds {
-			fmt.Fprintln(v, "-", f.Title)
-		}
-	}
-	if v, err := g.SetView("Items", 0, maxY/4, maxX-1, maxY-1); err != nil {
-		if err != gocui.ErrUnknownView {
-			return err
-		}
-		v.Title = "Items"
-		v.Highlight = true
-		v.SelBgColor = gocui.ColorGreen
-		v.SelFgColor = gocui.ColorBlack
-	}
-	return nil
-}
-
-func quit(g *gocui.Gui, v *gocui.View) error {
-	return gocui.ErrQuit
-}
-
-// Start initializes the application
-func Start() {
-	usr, err := user.Current()
-	if err != nil {
-		log.Fatal(err)
-	}
-	configPath := usr.HomeDir + "/.config/srv/config.yaml"
-
-	Controller = &internal.Controller{}
-	Controller.Init(configPath)
-
-	g, err := gocui.NewGui(gocui.OutputNormal)
-	if err != nil {
-		log.Panicln(err)
-	}
-	defer g.Close()
-
-	g.SetManagerFunc(layout)
-
-	if err := keybindings(g); err != nil {
-		log.Panicln(err)
-	}
-
-	if err := g.MainLoop(); err != nil && err != gocui.ErrQuit {
-		log.Panicln(err)
-	}
-}

config-example.yaml

@@ -1,11 +0,0 @@
----
-feeds:
-- https://news.ycombinator.com/rss
-- https://www.reddit.com/r/golang/.rss
-- https://www.reddit.com/r/linux/.rss
-- https://www.zdnet.com/topic/security/rss.xml
-- https://aws.amazon.com/blogs/security/feed/
-- https://www.archlinux.org/feeds/news/
-
-# Optionally define an an external application viewer
-#externalViewer: firefox

config-example.yml

@@ -0,0 +1,11 @@
+---
+feeds:
+- https://aws.amazon.com/blogs/security/feed/
+- https://www.phoronix.com/rss.php
+- https://www.zdnet.com/topic/security/rss.xml
+
+# Optionally define an application to view the feeds
+#externalViewer: firefox
+# Optionally define args for the external viewer
+#externalViewerArgs:
+    #- --new-window

config/config.go

@@ -0,0 +1,118 @@
+package config
+
+import (
+	"github.com/juju/errors"
+
+	"io/ioutil"
+	"log"
+	"os"
+	"os/user"
+	"path"
+	"path/filepath"
+	"runtime"
+	"strings"
+
+	"github.com/davegallant/srv/file"
+	"github.com/spf13/afero"
+	"gopkg.in/yaml.v2"
+)
+
+// ConfigPath defines where the configuration is stored
+const ConfigPath = ".config/srv/config.yml"
+
+// Configuration stores the global config
+type Configuration struct {
+	Feeds              []string `yaml:"feeds"`
+	ExternalViewer     string   `yaml:"externalViewer,omitempty"`
+	ExternalViewerArgs []string `yaml:"externalViewerArgs,omitempty"`
+}
+
+// DefaultConfiguration can be used if a config is missing
+var DefaultConfiguration = Configuration{
+	Feeds: []string{
+		"https://aws.amazon.com/blogs/security/feed/",
+		"https://www.phoronix.com/rss.php",
+		"https://www.zdnet.com/topic/security/rss.xml",
+	},
+}
+
+// GetUGetUGetUserConfigPath returns the full configuration path for the current user
+func GetUserConfigPath() (string, error) {
+	usr, err := user.Current()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	createConfigPath := []string{usr.HomeDir}
+	createConfigPath = append(createConfigPath, strings.Split(ConfigPath, "/")...)
+	return path.Join(createConfigPath...), nil
+}
+
+// DetermineExternalViewer checks the OS to decide the default viewer
+func DetermineExternalViewer() (string, error) {
+	switch os := runtime.GOOS; os {
+	case "linux":
+		return "xdg-open", nil
+	case "darwin":
+		return "open", nil
+	}
+	return "", errors.New("Unable to determine a default external viewer")
+}
+
+// EnsureConfigDirExists ensures directory exists with correct permissions
+func EnsureConfigDirExists(d string) error {
+	var AppFs = afero.NewOsFs()
+	return AppFs.MkdirAll(d, 0700)
+}
+
+// LoadConfiguration loads a configuration from a file
+func LoadConfiguration(f string) (Configuration, error) {
+	var config Configuration
+
+	if !file.Exists(f) {
+		err := WriteConfig(DefaultConfiguration, f)
+		return DefaultConfiguration, errors.Annotate(err, "failed to load configuration")
+	}
+
+	data, err := ioutil.ReadFile(f)
+
+	if err != nil {
+		log.Println(err)
+		os.Exit(1)
+	}
+
+	if config.ExternalViewer == "" {
+		config.ExternalViewer, err = DetermineExternalViewer()
+		if err != nil {
+			log.Println(err)
+			os.Exit(1)
+		}
+	}
+
+	err = yaml.Unmarshal(data, &config)
+	if err != nil {
+		log.Panicln(err)
+	}
+	return config, nil
+}
+
+// WriteConfig writes a config to disk
+func WriteConfig(config Configuration, f string) error {
+
+	d := filepath.Dir(f)
+	err := EnsureConfigDirExists(d)
+	if err != nil {
+		return errors.Annotatef(err, "Unable to to create config directory '%s'", d)
+	}
+
+	c, err := yaml.Marshal(&config)
+	if err != nil {
+		return errors.Annotatef(err, "Unable to marshal config '%s'", f)
+	}
+
+	err = ioutil.WriteFile(f, c, 0600)
+	if err != nil {
+		return errors.Annotatef(err, "Unable to write default config: '%s'", f)
+	}
+	return nil
+}

config/config_test.go

@@ -1,4 +1,4 @@
-package internal
+package config
 
 import (
 	"testing"
@@ -8,15 +8,14 @@ import (
 
 // TestLoadConfiguration tests loading the example config
 func TestLoadConfiguration(t *testing.T) {
-	exampleConfig := LoadConfiguration("../config-example.yaml")
+	exampleConfig, err := LoadConfiguration("../config-example.yml")
+
+	assert.NoError(t, err)
 
 	expectedFeeds := []string{
-		"https://news.ycombinator.com/rss",
-		"https://www.reddit.com/r/golang/.rss",
-		"https://www.reddit.com/r/linux/.rss",
-		"https://www.zdnet.com/topic/security/rss.xml",
 		"https://aws.amazon.com/blogs/security/feed/",
-		"https://www.archlinux.org/feeds/news/",
+		"https://www.phoronix.com/rss.php",
+		"https://www.zdnet.com/topic/security/rss.xml",
 	}
 
 	assert.Equal(

controller/controller.go

@@ -0,0 +1,33 @@
+package controller
+
+import (
+	"log"
+
+	config "github.com/davegallant/srv/config"
+	feeds "github.com/davegallant/srv/feeds"
+)
+
+// Controller keeps everything together
+type Controller struct {
+	Config      config.Configuration
+	Rss         *feeds.RSS
+	CurrentFeed int
+}
+
+// Init initiates the controller
+func (c *Controller) Init() {
+
+	configPath, err := config.GetUserConfigPath()
+
+	if err != nil {
+		log.Fatal("Unable to locate user's config path")
+	}
+
+	c.Config, err = config.LoadConfiguration(configPath)
+	if err != nil {
+		log.Fatalf("Unable to load configuration: %s", err)
+	}
+	c.Rss = &feeds.RSS{}
+	c.Rss.Update(c.Config.Feeds)
+	c.CurrentFeed = 0
+}

cui/colours.go

@@ -0,0 +1,11 @@
+package cui
+
+import "github.com/jroimartin/gocui"
+
+const (
+	feedItemSelectionBgColor = gocui.ColorCyan
+	feedItemSelectionFgColor = gocui.ColorBlack
+	feedNameSelectionBgColor = gocui.ColorWhite
+	feedNameSelectionFgColor = gocui.ColorBlack
+	descriptionFgColor       = gocui.ColorCyan
+)

cui/keybindings.go

@@ -0,0 +1,32 @@
+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("", gocui.KeyCtrlQ, 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.KeyCtrlR, gocui.ModNone, refreshFeeds); err != nil {
+		return err
+	}
+	return nil
+}

cui/main.go

@@ -0,0 +1,183 @@
+package cui
+
+import (
+	"fmt"
+	"log"
+	"os/exec"
+
+	"github.com/davegallant/srv/controller"
+	"github.com/davegallant/srv/utils"
+	"github.com/jroimartin/gocui"
+	"github.com/mmcdole/gofeed"
+)
+
+// Controller can access internal state
+var Controller *controller.Controller
+
+var (
+	viewArr = []string{"feeds", "Items"}
+	active  = 0
+)
+
+// openFeed opens all items in the feed
+func openFeed(g *gocui.Gui, v *gocui.View) error {
+	_, oy := v.Origin()
+	feed := Controller.Rss.Feeds[oy]
+	Controller.CurrentFeed = oy
+	ov, _ := g.View("Items")
+
+	ov.Clear()
+
+	if err := ov.SetOrigin(0, 0); err != nil {
+		log.Fatal(err)
+	}
+
+	for _, item := range feed.Items {
+		fmt.Fprintln(ov, "-", item.Title)
+	}
+	err := nextView(g, ov)
+	if err != nil {
+		log.Printf("Unable to get next view: %s", err)
+	}
+	displayDescription(g, ov)
+
+	return nil
+}
+
+func getCurrentFeedItem(v *gocui.View) *gofeed.Item {
+	_, oy := v.Origin()
+	return Controller.Rss.Feeds[Controller.CurrentFeed].Items[oy]
+}
+
+// displayDescription displays feed description if it exists
+func displayDescription(g *gocui.Gui, v *gocui.View) {
+	item := getCurrentFeedItem(v)
+	description := utils.StripHTMLTags(item.Description)
+	setDescription(g, v, description)
+}
+
+// setDescription displays text in the bottom panel
+func setDescription(g *gocui.Gui, v *gocui.View, description string) {
+
+	ov, _ := g.View("Description")
+	ov.Clear()
+
+	fmt.Fprintln(ov, description)
+}
+
+// openItem opens the feed in an external browser
+func openItem(g *gocui.Gui, v *gocui.View) error {
+
+	item := getCurrentFeedItem(v)
+	err := exec.Command(
+		Controller.Config.ExternalViewer,
+		append(Controller.Config.ExternalViewerArgs, item.Link)...).Start()
+
+	if err != nil {
+		setDescription(g, v, err.Error())
+	}
+
+	return nil
+}
+
+func refreshFeeds(g *gocui.Gui, v *gocui.View) error {
+	g.Close()
+	Start()
+	return nil
+}
+
+func setCurrentViewOnTop(g *gocui.Gui, name string) (*gocui.View, error) {
+	if _, err := g.SetCurrentView(name); err != nil {
+		return nil, err
+	}
+	return g.SetViewOnTop(name)
+}
+
+func nextView(g *gocui.Gui, v *gocui.View) error {
+	nextIndex := (active + 1) % len(viewArr)
+	name := viewArr[nextIndex]
+
+	_, err := g.View("Items")
+	if err != nil {
+		return err
+	}
+
+	if _, err := setCurrentViewOnTop(g, name); err != nil {
+		return err
+	}
+
+	if nextIndex == 0 || nextIndex == 3 {
+		g.Cursor = true
+	} else {
+		g.Cursor = false
+	}
+
+	active = nextIndex
+	return nil
+}
+
+func layout(g *gocui.Gui) error {
+	maxX, maxY := g.Size()
+	if v, err := g.SetView("feeds", 0, 0, maxX-1, maxY/3-1); err != nil {
+		if err != gocui.ErrUnknownView {
+			return err
+		}
+		v.Highlight = true
+		v.SelBgColor = feedNameSelectionBgColor
+		v.SelFgColor = feedNameSelectionFgColor
+		v.Title = "Feeds"
+
+		if _, err = setCurrentViewOnTop(g, "feeds"); err != nil {
+			return err
+		}
+		for _, f := range Controller.Rss.Feeds {
+			fmt.Fprintln(v, "-", f.Title)
+		}
+	}
+	if v, err := g.SetView("Items", 0, maxY/3, maxX-1, maxY-(maxY/5)-1); err != nil {
+		if err != gocui.ErrUnknownView {
+			return err
+		}
+		v.Highlight = true
+		v.SelBgColor = feedItemSelectionBgColor
+		v.SelFgColor = feedItemSelectionFgColor
+		v.Title = "Items"
+	}
+	if v, err := g.SetView("Description", 0, maxY-maxY/5, maxX-1, maxY-1); err != nil {
+		if err != gocui.ErrUnknownView {
+			return err
+		}
+		v.SelBgColor = feedItemSelectionBgColor
+		v.SelFgColor = feedItemSelectionFgColor
+		v.Title = "Description"
+		v.FgColor = descriptionFgColor
+		v.Wrap = true
+	}
+	return nil
+}
+
+func quit(g *gocui.Gui, v *gocui.View) error {
+	return gocui.ErrQuit
+}
+
+// Start initializes the application
+func Start() {
+	Controller = &controller.Controller{}
+	Controller.Init()
+
+	g, err := gocui.NewGui(gocui.Output256)
+	if err != nil {
+		log.Panicln(err)
+	}
+	defer g.Close()
+
+	g.SetManagerFunc(layout)
+
+	if err := keybindings(g); err != nil {
+		log.Panicln(err)
+	}
+
+	if err := g.MainLoop(); err != nil && err != gocui.ErrQuit {
+		log.Panicln(err)
+	}
+}

cui/scroll.go

@@ -0,0 +1,39 @@
+package cui
+
+import (
+	"github.com/jroimartin/gocui"
+)
+
+func scroll(v *gocui.View, direction int) error {
+	if v != nil {
+		ox, oy := v.Origin()
+		if oy+direction >= len(v.BufferLines())-1 {
+			// hit bottom
+			return nil
+		}
+		if oy+direction < 0 {
+			// hit top
+			return nil
+		}
+		if err := v.SetOrigin(ox, oy+direction); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func cursorDown(g *gocui.Gui, v *gocui.View) error {
+	err := scroll(v, 1)
+	if g.CurrentView().Title == "Items" {
+		displayDescription(g, v)
+	}
+	return err
+}
+
+func cursorUp(g *gocui.Gui, v *gocui.View) error {
+	err := scroll(v, -1)
+	if g.CurrentView().Title == "Items" {
+		displayDescription(g, v)
+	}
+	return err
+}

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 +1,13 @@
+// Package file contains filesystem functions
+package file
+
+import (
+	"github.com/spf13/afero"
+)
+
+// Exists returns true if a file exists
+func Exists(filename string) bool {
+	var AppFs = afero.NewOsFs()
+	_, err := AppFs.Stat(filename)
+	return err == nil
+}

file/file_test.go

@@ -0,0 +1,43 @@
+package file
+
+import (
+	"fmt"
+	"testing"
+	"time"
+
+	"github.com/spf13/afero"
+)
+
+var FakeFs = afero.NewOsFs()
+
+func TestExists(t *testing.T) {
+	t.Run("expects file to exist", func(t *testing.T) {
+		input, _ := afero.TempFile(FakeFs, ".", "")
+		defer removeFile(input.Name(), t)
+
+		got := Exists(input.Name())
+		expect := true
+
+		if got != expect {
+			t.Errorf("Expected file %s to exist.", input.Name())
+		}
+	})
+
+	t.Run("expects file to not exist", func(t *testing.T) {
+		input := fmt.Sprintf("test_file_%d", time.Now().UnixNano())
+
+		got := Exists(input)
+		expect := false
+
+		if got != expect {
+			t.Errorf("Expected file %s to not exist", input)
+		}
+	})
+}
+
+func removeFile(name string, t *testing.T) {
+	err := FakeFs.Remove(name)
+	if err != nil {
+		t.Errorf("Did not cleanly delete file %s", name)
+	}
+}

go.mod

@@ -4,17 +4,15 @@ go 1.14
 
 require (
 	github.com/EDDYCJY/fake-useragent v0.2.0
-	github.com/PuerkitoBio/goquery v1.5.1 // indirect
-	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/jroimartin/gocui v0.4.0
-	github.com/kr/pretty v0.1.0 // indirect
-	github.com/mattn/go-runewidth v0.0.8 // indirect
-	github.com/mmcdole/gofeed v1.0.0-beta2
-	github.com/mmcdole/goxpp v0.0.0-20181012175147-0068e33feabf // indirect
-	github.com/nsf/termbox-go v0.0.0-20200204031403-4d2b513ad8be // indirect
-	github.com/stretchr/testify v1.5.1
+	github.com/jroimartin/gocui v0.5.0
+	github.com/juju/errors v0.0.0-20200330140219-3fe23663418f
+	github.com/juju/testing v0.0.0-20200608005635-e4eedbc6f7aa // indirect
+	github.com/kr/text v0.2.0 // indirect
+	github.com/mmcdole/gofeed v1.1.3
+	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
+	github.com/spf13/afero v1.6.0
+	github.com/stretchr/testify v1.8.1
 	golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e // indirect
-	golang.org/x/text v0.3.2 // indirect
-	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
-	gopkg.in/yaml.v2 v2.2.8
+	gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect
+	gopkg.in/yaml.v2 v2.4.0
 )

go.sum

@@ -1,49 +1,96 @@
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 github.com/andybalholm/cascadia v1.1.0 h1:BuuO6sSfQNFRu1LppgbD25Hr2vLYW25JvxHs5zzsLTo=
 github.com/andybalholm/cascadia v1.1.0/go.mod h1:GsXiBklL0woXo1j/WYWtSYYC4ouU9PqHO0sqidkEA4Y=
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+github.com/urfave/cli v1.22.3/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
+golang.org/x/crypto v0.0.0-20180214000028-650f4a345ab4/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20190820162420-60c769a6c586/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/net v0.0.0-20180218175443-cbe0f9307d01/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20180406214816-61147c48b25b/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200301022130-244492dfa37a/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e h1:3G+cUijn7XD+S4eJFddp53Pv7+slrESplyjG25HgL+k=
 golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
-gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
+gopkg.in/check.v1 v1.0.0-20160105164936-4f90aeace3a2/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
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+gopkg.in/mgo.v2 v2.0.0-20160818015218-f2b6f6c918c4 h1:hILp2hNrRnYjZpmIbx70psAHbBSEcQ1NIzDcUbJ1b6g=
+gopkg.in/mgo.v2 v2.0.0-20160818015218-f2b6f6c918c4/go.mod h1:yeKp02qBN3iKW1OzL3MGk2IdtZzaj7SFntXj72NppTA=
+gopkg.in/yaml.v2 v2.0.0-20170712054546-1be3d31502d6/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
-gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

install.sh

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+VERSION='0.1.2'
+sudo curl --progress-bar \
+-L "https://github.com/davegallant/srv/releases/download/v${VERSION}/srv_${VERSION}_$(uname -s)_x86_64.tar.gz" | \
+sudo tar -C /usr/bin --overwrite -xvzf - srv

internal/config.go

@@ -1,85 +0,0 @@
-package internal
-
-import (
-	"errors"
-	"io/ioutil"
-	"log"
-	"os"
-	"runtime"
-
-	"gopkg.in/yaml.v2"
-)
-
-// Configuration stores the global config
-type Configuration struct {
-	Feeds          []string `yaml:"feeds"`
-	ExternalViewer string   `yaml:"externalViewer,omitempty"`
-}
-
-// DefaultConfiguration can be used if a config is missing
-var DefaultConfiguration = Configuration{
-	Feeds: []string{
-		"https://news.ycombinator.com/rss",
-		"https://www.reddit.com/r/golang/.rss",
-		"https://www.zdnet.com/topic/security/rss.xml",
-	},
-}
-
-// Determines the default viewer
-func DetermineExternalViewer() (string, error) {
-	switch os := runtime.GOOS; os {
-	case "linux":
-		return "xdg-open", nil
-	case "darwin":
-		return "open", nil
-	}
-
-	return "", errors.New("Unable to determine a default external viewer")
-}
-
-// LoadConfiguration takes a filename (configuration) and loads it.
-func LoadConfiguration(file 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)
-	}
-
-	data, err := ioutil.ReadFile(file)
-
-	if err != nil {
-		log.Println(err)
-		os.Exit(1)
-	}
-
-	if config.ExternalViewer == "" {
-		config.ExternalViewer, err = DetermineExternalViewer()
-		if err != nil {
-			log.Println(err)
-			os.Exit(1)
-		}
-	}
-
-	err = yaml.Unmarshal(data, &config)
-	if err != nil {
-		log.Panicln(err)
-	}
-	return config
-}
-
-// WriteConfig writes a config to disk
-func WriteConfig(config Configuration, file string) error {
-	c, err := yaml.Marshal(&config)
-	if err != nil {
-		log.Fatalf("Unable to marshal default config: %v", err)
-	}
-
-	err = ioutil.WriteFile(file, c, 0644)
-	if err != nil {
-		log.Fatalf("Unable to write default config: %v", err)
-	}
-	return nil
-}

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()
 
 }

utils/html.go

@@ -0,0 +1,23 @@
+package utils
+
+import (
+	"regexp"
+	"sort"
+	"strings"
+)
+
+// StripHTMLTags uses regex to strip all html elements
+func StripHTMLTags(s string) string {
+	const pattern = `(<\/?[a-zA-A]+?[^>]*\/?>)*`
+	r := regexp.MustCompile(pattern)
+	groups := r.FindAllString(s, -1)
+	sort.Slice(groups, func(i, j int) bool {
+		return len(groups[i]) > len(groups[j])
+	})
+	for _, group := range groups {
+		if strings.TrimSpace(group) != "" {
+			s = strings.ReplaceAll(s, group, "")
+		}
+	}
+	return s
+}

utils/html_test.go

@@ -0,0 +1,26 @@
+package utils
+
+import "testing"
+
+func TestStripHTMLTags(t *testing.T) {
+	testCases := []struct {
+		htmlInput string
+		expect    string
+	}{
+		{htmlInput: "<html><body<h1>Hello World!</h1></body></html>",
+			expect: "Hello World!"},
+		{htmlInput: "<h1>Hello World!</h1>",
+			expect: "Hello World!"},
+		{htmlInput: "<h1 style='color: #5e9ca0';>Hello World!</h1>",
+			expect: "Hello World!"},
+		{htmlInput: "<td><img style='margin: 1px 15px;' src='images/smiley.png' alt='laughing' width='40' height='16' /><strong>Hello World!</strong></td>", expect: "Hello World!"},
+	}
+	for _, tc := range testCases {
+		got := StripHTMLTags(tc.htmlInput)
+		expect := tc.expect
+
+		if got != expect {
+			t.Errorf("Expected %s, got %s", expect, got)
+		}
+	}
+}