Open Source Release
70 lines
1.9 KiB
Go
70 lines
1.9 KiB
Go
package scraper
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import (
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"encoding/json"
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"regexp"
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"strconv"
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"strings"
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"production/internal/pcbuilder"
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)
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func specToJSON(spec pcbuilder.Spec) ([]byte, error) {
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return json.Marshal(spec)
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}
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var (
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socketRe = regexp.MustCompile(`(?i)\b(AM4|AM5|LGA\s?1700|LGA\s?1200|LGA\s?1851|LGA\s?2011(?:-3)?)\b`)
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ramTypeRe = regexp.MustCompile(`(?i)\bDDR([345])\b`)
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tdpRe = regexp.MustCompile(`(?i)TDP[^\d]{0,10}(\d+)\s*Вт`)
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wattageRe = regexp.MustCompile(`(?i)\b(\d{3,4})\s*Вт\b`)
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formFactRe = regexp.MustCompile(`(?i)\b(E-?ATX|Micro-?ATX|mATX|Mini-?ITX|ITX|ATX)\b`)
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)
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// extractSocket, extractRAMType etc. are best-effort regex reads over a
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// listing's free-text title/description — see Item.Spec's doc comment for
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// why sparse results are fine here (pcbuilder.Check skips checks on empty
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// fields rather than erroring).
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func extractSocket(text string) string {
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m := socketRe.FindString(text)
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return strings.ToUpper(strings.ReplaceAll(strings.TrimSpace(m), " ", ""))
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}
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func extractRAMType(text string) string {
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m := ramTypeRe.FindStringSubmatch(text)
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if m == nil {
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return ""
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}
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return "DDR" + m[1]
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}
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func extractTDPWatts(text string) int {
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m := tdpRe.FindStringSubmatch(text)
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if m == nil {
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return 0
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}
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n, _ := strconv.Atoi(m[1])
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return n
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}
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// extractWattage is for PSUs — "750 Вт" without a "TDP" prefix, so it needs
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// its own looser pattern (and picks the largest match, since PSU titles
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// often also mention unrelated numbers like model/certification wattages
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// in efficiency badges further down the text).
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func extractWattage(text string) int {
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matches := wattageRe.FindAllStringSubmatch(text, -1)
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best := 0
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for _, m := range matches {
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n, _ := strconv.Atoi(m[1])
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if n > best {
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best = n
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}
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}
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return best
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}
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func extractFormFactor(text string) string {
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m := formFactRe.FindString(text)
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return strings.ToUpper(strings.ReplaceAll(m, "-", ""))
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}
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