appview/notify: notify users mentioned on PR comments #739

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	return path.Join(rctx.CurrentDir, dst)

     

       
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}

     

       
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// FindUserMentions returns Set of user handles from given markup soruce.

     

       
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// It doesn't guarntee unique DIDs

     

       
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func FindUserMentions(source string) []string {

     

       
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	var (

     

       
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		mentions    []string

     

       
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		mentionsSet = make(map[string]struct{})

     

       
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		md          = NewMarkdown()

     

       
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		sourceBytes = []byte(source)

     

       
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		root        = md.Parser().Parse(text.NewReader(sourceBytes))

     

       
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	)

     

       
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	ast.Walk(root, func(n ast.Node, entering bool) (ast.WalkStatus, error) {

     

       
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		if entering && n.Kind() == textension.KindAt {

     

       
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			handle := n.(*textension.AtNode).Handle

     

       
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			mentionsSet[handle] = struct{}{}

     

       
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			return ast.WalkSkipChildren, nil

     

       
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		}

     

       
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		return ast.WalkContinue, nil

     

       
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	})

     

       
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	for handle := range mentionsSet {

     

       
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		mentions = append(mentions, handle)

     

       
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	}

     

       
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	return mentions

     

       
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}

     

       
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func isAbsoluteUrl(link string) bool {

     

       
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	parsed, err := url.Parse(link)

     

       
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	if err != nil {

     

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	return path.Join(rctx.CurrentDir, dst)

     

       
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}

     

       
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func isAbsoluteUrl(link string) bool {

     

       
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	parsed, err := url.Parse(link)

     

       
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	if err != nil {