Changeset 0.9.0 (#50)

server/store/postgres/policy.go

@@ -0,0 +1,68 @@
+package postgres
+
+import (
+	"context"
+	"database/sql"
+
+	"git.gobha.me/xcaliber/chat-switchboard/models"
+)
+
+type PolicyStore struct{}
+
+func NewPolicyStore() *PolicyStore { return &PolicyStore{} }
+
+// Get returns a policy value by key. Falls back to PolicyDefaults if not in DB.
+func (s *PolicyStore) Get(ctx context.Context, key string) (string, error) {
+	var value string
+	err := DB.QueryRowContext(ctx,
+		"SELECT value FROM platform_policies WHERE key = $1", key).Scan(&value)
+	if err == sql.ErrNoRows {
+		if def, ok := models.PolicyDefaults[key]; ok {
+			return def, nil
+		}
+		return "", nil
+	}
+	return value, err
+}
+
+// GetBool returns a policy value as a boolean.
+func (s *PolicyStore) GetBool(ctx context.Context, key string) (bool, error) {
+	val, err := s.Get(ctx, key)
+	if err != nil {
+		return false, err
+	}
+	return val == "true", nil
+}
+
+// Set upserts a policy value.
+func (s *PolicyStore) Set(ctx context.Context, key, value, updatedBy string) error {
+	_, err := DB.ExecContext(ctx, `
+		INSERT INTO platform_policies (key, value, updated_by, updated_at)
+		VALUES ($1, $2, $3, NOW())
+		ON CONFLICT (key) DO UPDATE SET value = $2, updated_by = $3, updated_at = NOW()`,
+		key, value, updatedBy)
+	return err
+}
+
+// GetAll returns all platform policies, merged with defaults.
+func (s *PolicyStore) GetAll(ctx context.Context) (map[string]string, error) {
+	result := make(map[string]string)
+	// Start with defaults
+	for k, v := range models.PolicyDefaults {
+		result[k] = v
+	}
+	// Override with DB values
+	rows, err := DB.QueryContext(ctx, "SELECT key, value FROM platform_policies")
+	if err != nil {
+		return result, err // return defaults on error
+	}
+	defer rows.Close()
+	for rows.Next() {
+		var k, v string
+		if err := rows.Scan(&k, &v); err != nil {
+			continue
+		}
+		result[k] = v
+	}
+	return result, rows.Err()
+}