80 lines
2.3 KiB
Go
80 lines
2.3 KiB
Go
package display
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import (
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"fmt"
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"strings"
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"time"
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"github.com/makeworld-the-better-one/amfora/cache"
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"github.com/makeworld-the-better-one/amfora/feeds"
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"github.com/makeworld-the-better-one/amfora/renderer"
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"github.com/makeworld-the-better-one/amfora/structs"
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)
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var feedPageRaw = "# Feeds & Pages\n\nUpdates" + strings.Repeat(" ", 80-25) + "[Newest -> Oldest]\n" +
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strings.Repeat("-", 80) + "\n\n"
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var feedPageUpdated time.Time
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// toLocalDay truncates the provided time to a date only,
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// but converts to the local time first.
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func toLocalDay(t time.Time) time.Time {
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t = t.Local()
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return time.Date(t.Year(), t.Month(), t.Day(), 0, 0, 0, 0, t.Location())
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}
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// Feeds displays the feeds page on the current tab.
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func Feeds(t *tab) {
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// Retrieve cached version if there hasn't been any updates
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p, ok := cache.GetPage("about:feeds")
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if feedPageUpdated.After(feeds.LastUpdated) && ok {
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setPage(t, p)
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t.applyBottomBar()
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return
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}
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// curDay represents what day of posts the loop is on.
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// It only goes backwards in time.
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// Its initial setting means:
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// Only display posts older than 26 hours in the future, nothing further in the future.
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//
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// 26 hours was chosen because it is the largest timezone difference
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// currently in the world. Posts may be dated in the future
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// due to software bugs, where the local user's date is used, but
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// the UTC timezone is specified. I believe gemfeed does this.
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curDay := toLocalDay(time.Now()).Add(26 * time.Hour)
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pe := feeds.GetPageEntries()
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for _, entry := range pe.Entries { // From new to old
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// Convert to local time, remove sub-day info
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pub := toLocalDay(entry.Published)
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if pub.Before(curDay) {
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// This post is on a new day, add a day header
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curDay := pub
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feedPageRaw += fmt.Sprintf("\n## %s\n\n", curDay.Format("Jan 02, 2006"))
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}
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feedPageRaw += fmt.Sprintf("=>%s %s - %s\n", entry.URL, entry.Author, entry.Title)
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}
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content, links := renderer.RenderGemini(feedPageRaw, textWidth(), leftMargin(), false)
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page := structs.Page{
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Raw: feedPageRaw,
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Content: content,
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Links: links,
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URL: "about:feeds",
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Width: termW,
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Mediatype: structs.TextGemini,
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}
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go cache.AddPage(&page)
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setPage(t, &page)
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t.applyBottomBar()
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feedPageUpdated = time.Now()
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}
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func feedInit() {
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// TODO
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}
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