75 lines
1.5 KiB
Go
75 lines
1.5 KiB
Go
package authz
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import (
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"database/sql"
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"fmt"
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"sync"
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)
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// =====================================================
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// 🧠 PIYASA CACHE (USER → CODES)
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// =====================================================
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var (
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piyasaCache = make(map[int][]string)
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piyasaMu sync.RWMutex
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)
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// =====================================================
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// 📌 GET USER PIYASA CODES (CACHED)
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// =====================================================
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func GetUserPiyasaCodes(pg *sql.DB, userID int) ([]string, error) {
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// -----------------------------
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// CACHE READ
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// -----------------------------
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piyasaMu.RLock()
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if it, ok := piyasaCache[userID]; ok {
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piyasaMu.RUnlock()
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return it, nil
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}
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piyasaMu.RUnlock()
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// -----------------------------
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// DB QUERY
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// -----------------------------
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rows, err := pg.Query(`
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SELECT piyasa_code
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FROM dfusr_piyasa
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WHERE dfusr_id = $1
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AND is_allowed = true
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`, userID)
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if err != nil {
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return nil, fmt.Errorf("pg piyasa query error: %w", err)
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}
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defer rows.Close()
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var out []string
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for rows.Next() {
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var code string
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if err := rows.Scan(&code); err == nil {
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out = append(out, code)
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}
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}
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// -----------------------------
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// CACHE WRITE
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// -----------------------------
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piyasaMu.Lock()
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piyasaCache[userID] = out
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piyasaMu.Unlock()
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return out, nil
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}
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// =====================================================
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// 🧹 CLEAR USER PIYASA CACHE
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// =====================================================
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func ClearPiyasaCache(userID int) {
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piyasaMu.Lock()
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defer piyasaMu.Unlock()
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delete(piyasaCache, userID)
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}
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