mirror of
https://github.com/taigrr/wtf
synced 2025-01-18 04:03:14 -08:00
133 lines
2.8 KiB
Go
133 lines
2.8 KiB
Go
package hackernews
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import (
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"fmt"
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"net/url"
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"strings"
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"github.com/rivo/tview"
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"github.com/wtfutil/wtf/wtf"
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)
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const HelpText = `
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Keyboard commands for Hacker News:
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/: Show/hide this help window
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j: Select the next story in the list
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k: Select the previous story in the list
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r: Refresh the data
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arrow down: Select the next story in the list
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arrow up: Select the previous story in the list
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return: Open the selected story in a browser
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c: Open the comments of the article
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`
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type Widget struct {
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wtf.HelpfulWidget
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wtf.KeyboardWidget
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wtf.ScrollableWidget
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stories []Story
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settings *Settings
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}
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func NewWidget(app *tview.Application, pages *tview.Pages, settings *Settings) *Widget {
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widget := Widget{
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HelpfulWidget: wtf.NewHelpfulWidget(app, pages, HelpText),
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KeyboardWidget: wtf.NewKeyboardWidget(),
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ScrollableWidget: wtf.NewScrollableWidget(app, settings.common, true),
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settings: settings,
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}
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widget.SetRenderFunction(widget.Render)
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widget.initializeKeyboardControls()
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widget.View.SetInputCapture(widget.InputCapture)
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widget.HelpfulWidget.SetView(widget.View)
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return &widget
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}
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/* -------------------- Exported Functions -------------------- */
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func (widget *Widget) Refresh() {
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if widget.Disabled() {
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return
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}
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storyIds, err := GetStories(widget.settings.storyType)
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if storyIds == nil {
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return
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}
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if err != nil {
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widget.Redraw(widget.CommonSettings.Title, err.Error(), true)
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return
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}
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var stories []Story
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for idx := 0; idx < widget.settings.numberOfStories; idx++ {
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story, e := GetStory(storyIds[idx])
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if e != nil {
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// panic(e)
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} else {
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stories = append(stories, story)
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}
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}
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widget.stories = stories
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widget.SetItemCount(len(stories))
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widget.Render()
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}
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/* -------------------- Unexported Functions -------------------- */
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func (widget *Widget) Render() {
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if widget.stories == nil {
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return
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}
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title := fmt.Sprintf("%s - %sstories", widget.CommonSettings.Title, widget.settings.storyType)
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widget.Redraw(title, widget.contentFrom(widget.stories), false)
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}
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func (widget *Widget) contentFrom(stories []Story) string {
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var str string
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for idx, story := range stories {
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u, _ := url.Parse(story.URL)
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str = str + fmt.Sprintf(
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`["%d"][""][%s]%2d. %s [lightblue](%s)[white][""]`,
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idx,
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widget.RowColor(idx),
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idx+1,
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story.Title,
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strings.TrimPrefix(u.Host, "www."),
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)
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str = str + "\n"
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}
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return str
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}
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func (widget *Widget) openStory() {
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sel := widget.GetSelected()
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if sel >= 0 && widget.stories != nil && sel < len(widget.stories) {
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story := &widget.stories[sel]
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wtf.OpenFile(story.URL)
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}
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}
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func (widget *Widget) openComments() {
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sel := widget.GetSelected()
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if sel >= 0 && widget.stories != nil && sel < len(widget.stories) {
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story := &widget.stories[sel]
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wtf.OpenFile(fmt.Sprintf("https://news.ycombinator.com/item?id=%d", story.ID))
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}
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}
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