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@ -3,6 +3,7 @@ package main
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import (
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"strings"
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dg "github.com/bwmarrin/discordgo"
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stripmd "github.com/writeas/go-strip-markdown"
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)
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@ -13,22 +14,32 @@ type Link struct {
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// StripAltText removes Markdown alt text from links and images and replaces them with just the URL.
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// Currently uses the deepest alt text when links/images are nested.
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// If links = true, links are completely removed, and a list of URLs and their alt text is also returned.
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func StripAltText(md string, links bool) (string, []Link) {
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func StripAltText(md string, links bool) (string, []*dg.MessageEmbed) {
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altTextStart := -1 // Start of alt text (between '[' & ']')
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URLStart := -1 // Start of url (between '(' & ')')
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URLEnd := -1
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previousURLEnd := -2
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out := ""
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embeds := []Link{}
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embeds := []*dg.MessageEmbed{}
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for i := range md {
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if altTextStart != -1 && URLStart != -1 && md[i] == ')' {
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URLEnd = i - 1
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out += md[previousURLEnd+2 : altTextStart-1]
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if links {
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embeds = append(embeds, Link{
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URL: md[URLStart : URLEnd+1],
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Alt: md[altTextStart : URLStart-2],
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})
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embed := &dg.MessageEmbed{
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Type: dg.EmbedTypeLink,
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Title: md[altTextStart : URLStart-2],
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}
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if md[altTextStart-1] == '!' {
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embed.Title = md[altTextStart+1 : URLStart-2]
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embed.Type = dg.EmbedTypeImage
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embed.Image = &dg.MessageEmbedImage{
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URL: md[URLStart : URLEnd+1],
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}
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} else {
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embed.URL = md[URLStart : URLEnd+1]
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}
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embeds = append(embeds, embed)
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} else {
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out += md[URLStart : URLEnd+1]
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}
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