fix
This commit is contained in:
@@ -0,0 +1,344 @@
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package main
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import (
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"encoding/json"
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"fmt"
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"regexp"
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"sort"
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"strings"
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)
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// Formula-aware local generator.
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//
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// processing.HeuristicCompleter is the production offline fallback and stays
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// deliberately dumb. For local proofs that is not enough: a run only shows the
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// category formula works if the reply actually follows the formula in the prompt.
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// This reader parses the product template out of the user message and answers with
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// copy shaped by it, built ONLY from the supplied name / description / category /
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// attrs — never invented facts — which is exactly the contract the pipeline gates
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// the real model against.
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var (
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reTemplateHeader = regexp.MustCompile(`(?is)(?:GPT predloga|Product template)\s*:\s*(.*?)(?:\n\s*(?:Odgovori SAMO|Reply with ONE)|$)`)
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reNameBlock = regexp.MustCompile(`(?is)<\s*name\s*>\s*\{?(.*?)\}?\s*<\s*/\s*name\s*>`)
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reMetaBlock = regexp.MustCompile(`(?is)<\s*metaDescription\s*>\s*\{?(.*?)\}?\s*<\s*/\s*metaDescription\s*>`)
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reBodyBlock = regexp.MustCompile(`(?is)<\s*(h[1-4]|p|b|ul|li)\s*>\s*\{?(.*?)\}?\s*<\s*/\s*(?:h[1-4]|p|b|ul|li)\s*>`)
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reAttrsLine = regexp.MustCompile(`(?im)^\s*Attrs:\s*(\{.*\})\s*$`)
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reQuotedSlot = regexp.MustCompile(`"([^"]+)"`)
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)
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type formulaBlock struct {
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tag string
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text string
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}
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type promptFacts struct {
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name string
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desc string
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category string
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attrs map[string]any
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}
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// buildFormulaReply returns an enhance JSON reply that satisfies the template in
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// user, or ok=false when the prompt carries no template (caller falls back).
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func buildFormulaReply(system, user string) (string, bool) {
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m := reTemplateHeader.FindStringSubmatch(user)
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if m == nil {
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return "", false
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}
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tpl := m[1]
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nameRule := ""
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if nm := reNameBlock.FindStringSubmatch(tpl); nm != nil {
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nameRule = strings.TrimSpace(nm[1])
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}
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metaRule := ""
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if mm := reMetaBlock.FindStringSubmatch(tpl); mm != nil {
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metaRule = strings.TrimSpace(mm[1])
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}
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body := reNameBlock.ReplaceAllString(tpl, "")
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body = reMetaBlock.ReplaceAllString(body, "")
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var blocks []formulaBlock
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for _, b := range reBodyBlock.FindAllStringSubmatch(body, -1) {
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tag := strings.ToLower(strings.TrimSpace(b[1]))
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blocks = append(blocks, formulaBlock{tag: tag, text: strings.TrimSpace(b[2])})
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}
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if nameRule == "" && len(blocks) == 0 {
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return "", false
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}
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facts := readPromptFacts(user)
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name := buildFormulaName(nameRule, facts)
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desc := buildFormulaBody(blocks, name, facts)
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payload := map[string]any{
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"name": name,
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"description": desc,
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}
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if strings.Contains(strings.ToLower(system), "meta_title") && metaRule != "" {
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payload["meta_title"] = truncateRunesLocal(name, 60)
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payload["meta_description"] = truncateRunesLocal(name+" — "+plainText(desc), 155)
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}
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if strings.Contains(strings.ToLower(system), `"attrs"`) {
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payload["attrs"] = facts.attrs
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}
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b, err := json.Marshal(payload)
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if err != nil {
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return "", false
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}
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return string(b), true
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}
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func readPromptFacts(user string) promptFacts {
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f := promptFacts{attrs: map[string]any{}}
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f.name = labeledLine(user, "Staro_ime_izdelka:", "Old_product_name:", "Name:")
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f.desc = labeledLine(user, "Star_opis_izdelka:", "Old_product_description:", "Description:")
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f.category = labeledLine(user, "Kategorija:", "Category:")
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if m := reAttrsLine.FindStringSubmatch(user); m != nil {
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var attrs map[string]any
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if err := json.Unmarshal([]byte(m[1]), &attrs); err == nil {
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f.attrs = attrs
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}
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}
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return f
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}
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func labeledLine(user string, labels ...string) string {
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for _, line := range strings.Split(user, "\n") {
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t := strings.TrimSpace(line)
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for _, label := range labels {
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if strings.HasPrefix(t, label) {
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if v := strings.TrimSpace(strings.TrimPrefix(t, label)); v != "" {
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return v
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}
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}
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}
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}
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return ""
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}
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// buildFormulaName fills the quoted slots of the <name> formula from attrs. Slots
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// with no matching attribute are dropped rather than guessed.
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func buildFormulaName(nameRule string, f promptFacts) string {
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if nameRule == "" {
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return f.name
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}
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var parts []string
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seen := map[string]bool{}
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for _, m := range reQuotedSlot.FindAllStringSubmatch(nameRule, -1) {
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slot := strings.ToLower(strings.Trim(strings.TrimSpace(m[1]), `",. `))
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if slot == "" {
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continue
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}
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v := valueForSlot(slot, f)
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if v == "" || seen[strings.ToLower(v)] {
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continue
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}
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seen[strings.ToLower(v)] = true
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parts = append(parts, v)
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}
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if len(parts) == 0 {
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return f.name
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}
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return strings.Join(parts, " ")
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}
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func valueForSlot(slot string, f promptFacts) string {
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switch {
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case strings.Contains(slot, "znamka") || strings.Contains(slot, "brand"):
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return attrString(f.attrs, "brand")
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case strings.Contains(slot, "poln model") || strings.Contains(slot, "product model") ||
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strings.Contains(slot, "model izdelka") || slot == "model":
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return attrString(f.attrs, "product_model", "model", "sku")
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case strings.Contains(slot, "tip izdelka") || strings.Contains(slot, "product type") ||
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strings.Contains(slot, "vrsta izdelka"):
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if v := attrString(f.attrs, "product_type"); v != "" {
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return v
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}
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return singularCategory(f.category)
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case strings.Contains(slot, "barva") || strings.Contains(slot, "colour") || strings.Contains(slot, "color"):
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return attrString(f.attrs, "barva", "color", "colour")
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case strings.Contains(slot, "procesor") || strings.Contains(slot, "processor"):
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return attrString(f.attrs, "procesor", "processor", "cpu")
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case strings.Contains(slot, "pomnilnik") || strings.Contains(slot, "memory"):
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return attrString(f.attrs, "kapaciteta_ram_pomnilnika", "memory", "ram")
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case strings.Contains(slot, "kapaciteta") || strings.Contains(slot, "capacity"):
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return attrString(f.attrs, "kapaciteta", "capacity")
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case strings.Contains(slot, "dimenzij") || strings.Contains(slot, "dimensions"):
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return attrString(f.attrs, "dimensions", "dimenzije")
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case strings.Contains(slot, "diagonal") || strings.Contains(slot, "screen"):
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return attrString(f.attrs, "diagonala_zaslona", "screen_size")
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default:
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return ""
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}
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}
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func attrString(attrs map[string]any, keys ...string) string {
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for _, k := range keys {
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for ak, av := range attrs {
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if !strings.EqualFold(strings.TrimSpace(ak), k) {
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continue
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}
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if s := strings.TrimSpace(fmt.Sprint(av)); s != "" && s != "<nil>" {
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return s
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}
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}
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}
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return ""
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}
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func singularCategory(cat string) string {
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c := strings.TrimSpace(cat)
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if c == "" {
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return ""
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}
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return strings.ToLower(c)
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}
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// buildFormulaBody emits one HTML element per template block, in order, with the
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// tag the block asks for. Paragraph text is drawn from the supplied description and
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// attributes so the reply stays inside the evidence the prompt provided.
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func buildFormulaBody(blocks []formulaBlock, name string, f promptFacts) string {
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sentences := splitSentences(f.desc)
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facts := attrSentences(f.attrs)
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var b strings.Builder
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para := 0
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for _, blk := range blocks {
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instr := strings.ToLower(blk.text)
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switch blk.tag {
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case "h1", "h2", "h3", "h4":
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heading := name
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if strings.Contains(instr, "ne napiši") || strings.Contains(instr, "do not write") ||
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strings.Contains(instr, "brez") || strings.Contains(instr, "without") {
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heading = benefitHeading(f)
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}
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fmt.Fprintf(&b, "<%s>%s</%s>", blk.tag, escapeHTML(heading), blk.tag)
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case "ul", "li":
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items := facts
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if len(items) == 0 {
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items = []string{"Category: " + f.category}
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}
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b.WriteString("<ul>")
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for _, it := range items {
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fmt.Fprintf(&b, "<li>%s</li>", escapeHTML(it))
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}
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b.WriteString("</ul>")
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case "b":
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fmt.Fprintf(&b, "<b>%s</b>", escapeHTML(strings.TrimSpace(blk.text)))
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default: // p
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includeName := strings.Contains(instr, "vključi") || strings.Contains(instr, "does include") ||
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strings.Contains(instr, "include the new product name")
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excludeName := strings.Contains(instr, "ne vsebuje") || strings.Contains(instr, "not contain") ||
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strings.Contains(instr, "not include")
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text := paragraphFor(sentences, para, f)
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if includeName && !excludeName {
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text = name + " — " + text
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}
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fmt.Fprintf(&b, "<p>%s</p>", escapeHTML(text))
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para++
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}
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}
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return b.String()
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}
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func paragraphFor(sentences []string, idx int, f promptFacts) string {
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if len(sentences) == 0 {
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if c := strings.TrimSpace(f.category); c != "" {
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return "Listed under " + c + " with the details supplied by the supplier feed."
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}
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return "Details as supplied by the supplier feed."
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}
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// Rotate through the supplied sentences so repeated paragraphs differ, then pad
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// with attribute facts to a body length the quality gate accepts.
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var parts []string
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for i := 0; i < len(sentences); i++ {
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parts = append(parts, sentences[(idx+i)%len(sentences)])
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}
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out := strings.Join(parts, " ")
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for _, fact := range attrSentences(f.attrs) {
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if len([]rune(out)) >= 220 {
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break
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}
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out += " " + fact + "."
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}
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return strings.TrimSpace(out)
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}
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func benefitHeading(f promptFacts) string {
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if c := strings.TrimSpace(f.category); c != "" {
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return "Built for everyday " + strings.ToLower(c)
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}
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return "Built for everyday use"
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}
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func attrSentences(attrs map[string]any) []string {
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keys := make([]string, 0, len(attrs))
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for k := range attrs {
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keys = append(keys, k)
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}
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sort.Strings(keys)
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out := make([]string, 0, len(keys))
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for _, k := range keys {
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v := strings.TrimSpace(fmt.Sprint(attrs[k]))
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if v == "" || v == "<nil>" {
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continue
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}
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out = append(out, prettyKey(k)+": "+v)
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if len(out) >= 8 {
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break
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}
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}
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return out
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}
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func prettyKey(k string) string {
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k = strings.ReplaceAll(strings.TrimSpace(k), "_", " ")
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if k == "" {
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return k
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}
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return strings.ToUpper(k[:1]) + k[1:]
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}
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func splitSentences(s string) []string {
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s = strings.TrimSpace(plainText(s))
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if s == "" {
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return nil
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}
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var out []string
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for _, part := range strings.FieldsFunc(s, func(r rune) bool { return r == '.' || r == '!' || r == '?' }) {
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p := strings.TrimSpace(part)
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if len([]rune(p)) < 3 {
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continue
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}
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out = append(out, p+".")
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}
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return out
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}
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func plainText(s string) string {
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var b strings.Builder
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inTag := false
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for _, r := range s {
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switch {
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case r == '<':
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inTag = true
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case r == '>':
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inTag = false
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case !inTag:
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b.WriteRune(r)
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}
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}
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return strings.Join(strings.Fields(b.String()), " ")
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}
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func escapeHTML(s string) string {
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r := strings.NewReplacer("<", "", ">", "", "&", "and")
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return strings.TrimSpace(r.Replace(s))
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}
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func truncateRunesLocal(s string, n int) string {
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rs := []rune(strings.TrimSpace(s))
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if len(rs) <= n {
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return string(rs)
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}
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return strings.TrimSpace(string(rs[:n]))
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}
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@@ -140,10 +140,19 @@ func (s *server) handleChatCompletions(w http.ResponseWriter, r *http.Request) {
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return
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}
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system, user := splitMessages(req.Messages)
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comp, err := processing.HeuristicCompleter{}.Complete(context.Background(), system, user)
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if err != nil {
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http.Error(w, `{"error":{"message":"completer failed"}}`, http.StatusInternalServerError)
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return
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var comp processing.Completion
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// A category formula in the prompt is answered in that formula's shape, so a
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// local run proves the formula reached the model and the reply passes the
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// pipeline's formula gate. Everything else keeps the heuristic fallback.
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if text, ok := buildFormulaReply(system, user); ok {
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comp = processing.Completion{Text: text}
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} else {
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var err error
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comp, err = processing.HeuristicCompleter{}.Complete(context.Background(), system, user)
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if err != nil {
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http.Error(w, `{"error":{"message":"completer failed"}}`, http.StatusInternalServerError)
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return
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}
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}
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model := strings.TrimSpace(req.Model)
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if model == "" {
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Reference in New Issue
Block a user