codegirl007
8eddbfe438
CI / test (pull_request) Successful in 6m25s
Stacks on #16. Opens a public thread named "{author} asks: {title}" and puts the post body in the first thread message. Reviewed-on: #17 Co-authored-by: codegirl-007 <s.raide@gmail.com>
112 lines
2.3 KiB
Go
112 lines
2.3 KiB
Go
package discord
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import (
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"strings"
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"plumber/internal/events"
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)
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const (
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embedTitleLimit = 256
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embedDescriptionLimit = 4096
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threadNameLimit = 100
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embedColor = 0xe96a26
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)
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// Message is a Discord-ready snapshot of a site post event.
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type Message struct {
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Title string
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URL string
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Description string
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City string
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Author string
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ImageURLs []string
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ThreadName string
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}
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func formatMessage(ev events.PostEvent) Message {
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title := strings.TrimSpace(ev.Title)
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if title == "" {
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title = "Reply"
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}
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author := strings.TrimSpace(ev.AuthorName)
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if author == "" {
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author = "Someone"
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}
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msg := Message{
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Title: truncateRunes(title, embedTitleLimit),
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URL: strings.TrimSpace(ev.Permalink),
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Description: truncateRunes(strings.TrimSpace(ev.Body), embedDescriptionLimit),
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City: strings.TrimSpace(ev.City),
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Author: author,
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ThreadName: threadName(author, ev.Title),
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}
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for _, img := range ev.Images {
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url := strings.TrimSpace(img.URL)
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if url == "" {
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continue
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}
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msg.ImageURLs = append(msg.ImageURLs, url)
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}
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return msg
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}
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func threadName(author, title string) string {
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author = strings.TrimSpace(author)
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if author == "" {
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author = "Someone"
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}
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title = strings.TrimSpace(title)
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if title == "" {
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title = "Question"
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}
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return truncateRunes(author+" asks: "+title, threadNameLimit)
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}
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func truncateRunes(s string, max int) string {
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if max <= 0 {
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return ""
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}
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runes := []rune(s)
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if len(runes) <= max {
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return s
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}
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return string(runes[:max])
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}
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func isRoot(ev events.PostEvent) bool {
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return strings.TrimSpace(ev.ParentID) == ""
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}
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func messageContent(msg Message) string {
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var parts []string
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if body := strings.TrimSpace(msg.Description); body != "" {
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parts = append(parts, body)
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}
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var meta []string
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if msg.City != "" {
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meta = append(meta, msg.City)
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}
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if msg.Author != "" {
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meta = append(meta, msg.Author)
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}
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if len(meta) > 0 {
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parts = append(parts, strings.Join(meta, " · "))
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}
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if u := publicURL(msg.URL); u != "" {
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parts = append(parts, u)
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}
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return truncateRunes(strings.Join(parts, "\n"), 2000)
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}
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func publicURL(raw string) string {
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raw = strings.TrimSpace(raw)
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if !strings.HasPrefix(raw, "https://") {
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return ""
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}
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if strings.Contains(raw, "localhost") || strings.Contains(raw, "127.0.0.1") {
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return ""
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}
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return raw
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}
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