70 lines
1.3 KiB
Go
70 lines
1.3 KiB
Go
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package reichelt
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import (
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"strconv"
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"strings"
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"github.com/andybalholm/cascadia"
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"golang.org/x/net/html"
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)
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type Meta map[string]map[string]string
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var (
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metaSelector = cascadia.MustCompile(".av_propview")
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metaItemNameSelector = cascadia.MustCompile(".av_propname")
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metaItemValueSelector = cascadia.MustCompile(".av_propvalue")
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)
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// Get Metadata connected to specified part
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func (c *Connection) GetMeta(p Part) (Meta, error) {
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resp, err := c.client.Get("https://www.reichelt.de/index.html?ACTION=3&ARTICLE=" + strconv.Itoa(p.Number))
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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doc, err := html.Parse(resp.Body)
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if err != nil {
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return nil, err
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}
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nodes := metaSelector.MatchAll(doc)
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if nodes == nil {
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return nil, nil
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}
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result := make(Meta)
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for _, n := range nodes {
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if n.FirstChild == nil || n.FirstChild.FirstChild == nil {
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continue
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}
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headline := n.FirstChild.FirstChild.Data
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data := make(map[string]string)
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names := metaItemNameSelector.MatchAll(n)
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values := metaItemValueSelector.MatchAll(n)
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if len(names) != len(values) {
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continue
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}
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for i := range names {
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if names[i].FirstChild == nil || values[i].FirstChild == nil {
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continue
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}
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data[names[i].FirstChild.Data] = strings.Trim(values[i].FirstChild.Data, " ")
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}
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result[headline] = data
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}
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return result, nil
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}
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