Jan Meinl
116 lines
2.5 KiB
Go
116 lines
2.5 KiB
Go
package main
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import (
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"encoding/csv"
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"net/http"
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"os"
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"path/filepath"
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"strings"
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"sync"
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)
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var (
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rulesMu sync.RWMutex
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rules = map[string]map[string]Rule{}
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)
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func loadRules(dir string) error {
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entries, err := os.ReadDir(dir)
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if err != nil {
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return err
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}
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out := map[string]map[string]Rule{}
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for _, e := range entries {
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if e.IsDir() || !strings.HasSuffix(e.Name(), ".csv") {
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continue
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}
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lang := strings.TrimSuffix(e.Name(), ".csv")
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f, err := os.Open(filepath.Join(dir, e.Name()))
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if err != nil {
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continue
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}
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r := csv.NewReader(f)
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r.FieldsPerRecord = -1
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records, err := r.ReadAll()
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f.Close()
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if err != nil {
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continue
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}
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langMap := map[string]Rule{}
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for i, rec := range records {
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if len(rec) < 4 {
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continue
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}
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if i == 0 {
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lower := strings.ToLower(strings.TrimSpace(rec[0]))
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if lower == "number" || lower == "rule_number" || lower == "rule" {
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continue
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}
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}
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ru := Rule{
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Number: strings.TrimSpace(rec[0]),
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Text: strings.TrimSpace(rec[1]),
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SuggestedPenalty: strings.TrimSpace(rec[2]),
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EscalationMode: strings.TrimSpace(rec[3]),
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}
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if ru.EscalationMode == "" {
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ru.EscalationMode = "same"
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}
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if strings.HasPrefix(ru.EscalationMode, "escalate:") {
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tiers := strings.Split(strings.TrimPrefix(ru.EscalationMode, "escalate:"), "|")
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for j, t := range tiers {
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tiers[j] = strings.TrimSpace(t)
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}
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ru.EscalationTiers = tiers
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ru.EscalationMode = "escalate"
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}
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langMap[ru.Number] = ru
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}
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out[lang] = langMap
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}
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rulesMu.Lock()
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rules = out
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rulesMu.Unlock()
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return nil
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}
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func getRules(lang string) []Rule {
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rulesMu.RLock()
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defer rulesMu.RUnlock()
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m, ok := rules[lang]
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if !ok {
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m = rules["en"]
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}
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out := make([]Rule, 0, len(m))
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for _, r := range m {
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out = append(out, r)
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}
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return out
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}
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func registerRuleRoutes(mux *http.ServeMux) {
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mux.HandleFunc("GET /api/rules", requireAuth(handleListRules))
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mux.HandleFunc("POST /api/rules/reload", requireAdmin(handleReloadRules))
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}
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func handleListRules(w http.ResponseWriter, r *http.Request) {
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lang := r.URL.Query().Get("lang")
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if lang == "" {
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u := userFromCtx(r)
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lang = u.Language
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}
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writeJSON(w, http.StatusOK, getRules(lang))
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}
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func handleReloadRules(w http.ResponseWriter, r *http.Request) {
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dir := os.Getenv("RULES_DIR")
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if dir == "" {
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dir = "rules"
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}
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if err := loadRules(dir); err != nil {
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writeError(w, http.StatusInternalServerError, "load_error")
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return
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}
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w.WriteHeader(http.StatusNoContent)
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}
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