54 lines
2.1 KiB
Bash
54 lines
2.1 KiB
Bash
#!/usr/bin/env bash
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# Create a Twitter summary (twitter "card") for the post
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#
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# $1 the post file
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# $2 the title
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declare global_twitter_username
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declare template_tags_line_header
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declare global_url
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declare global_twitter_cookieless
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declare template_twitter_button
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declare template_twitter_comment
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declare template_comments
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twitter_card() {
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[[ -z $global_twitter_username ]] && return
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echo "<meta name='twitter:card' content='summary'>"
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echo "<meta name='twitter:site' content='@$global_twitter_username'>"
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echo "<meta name='twitter:title' content='$2'>" # Twitter truncates at 70 char
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description=$(grep -v "^<p>$template_tags_line_header" "$1" | sed -e 's/<[^>]*>//g' | head -c 250 | tr '\n' ' ' | sed "s/\"/'/g")
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echo "<meta name='twitter:description' content=\"$description\">"
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image=$(sed -n 's/.*<img.*src="\([^"]*\)".*/\1/p' "$1" | head -n 1) # First image is fine
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[[ -z $image ]] && return
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[[ $image =~ ^https?:// ]] || image=$global_url/$image # Check that URL is absolute
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echo "<meta name='twitter:image' content='$image'>"
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}
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# Adds the code needed by the twitter button
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#
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# $1 the post URL
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twitter() {
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[[ -z $global_twitter_username ]] && return
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if [[ $global_twitter_cookieless == true ]]; then
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id=$RANDOM
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search_engine="https://twitter.com/search?q="
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echo "<p id='twitter'><a href='http://twitter.com/intent/tweet?url=$1&text=$template_twitter_comment&via=$global_twitter_username'>$template_comments $template_twitter_button</a> "
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echo "<a href='$search_engine""$1'><span id='count-$id'></span></a> </p>"
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return
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else
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echo "<p id='twitter'>$template_comments "
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fi
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echo "<a href=\"https://twitter.com/share\" class=\"twitter-share-button\" data-text=\"$template_twitter_comment\" data-url=\"$1\""
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echo " data-via=\"$global_twitter_username\""
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echo ">$template_twitter_button</a> <script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0];if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=\"//platform.twitter.com/widgets.js\";fjs.parentNode.insertBefore(js,fjs);}}(document,\"script\",\"twitter-wjs\");</script>"
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echo "</p>"
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}
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