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https://github.com/andwati/telecom-platform.git
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nutcas3
a335c6754e
- Move IMSI allocation logic to subscriber_imsi.go - Move authentication key generation (generateAuthKeys, getOperatorVariant, generateOPc) to subscriber_auth.go - Move eSIM profile operations (provisionESIMProfile, deactivateESIMProfile) to subscriber_esim.go - Keep core subscriber CRUD operations and session management in subscriber.go - Remove unused crypto/aes, crypto/rand, encoding/hex, and os imports from main
36 lines
988 B
Go
36 lines
988 B
Go
package services
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import (
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"context"
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"fmt"
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"github.com/nutcas3/telecom-platform/apps/api-server/internal/models"
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)
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// allocateIMSI allocates a new IMSI for a subscriber
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func (s *SubscriberService) allocateIMSI(ctx context.Context) (models.IMSI, error) {
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// Get current IMSI allocation
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alloc, err := s.db.GetIMSIAllocation(ctx)
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if err != nil {
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return "", fmt.Errorf("failed to get IMSI allocation: %w", err)
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}
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// Check if we've reached the maximum
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if alloc.LastIMSI >= alloc.MaxIMSI {
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return "", fmt.Errorf("IMSI range exhausted: max %d reached", alloc.MaxIMSI)
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}
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// Allocate next IMSI
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nextIMSI := alloc.LastIMSI + 1
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alloc.LastIMSI = nextIMSI
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// Update allocation state
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if err := s.db.UpdateIMSIAllocation(ctx, alloc); err != nil {
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return "", fmt.Errorf("failed to update IMSI allocation: %w", err)
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}
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// Format IMSI: MCC (3) + MNC (2-3) + subscriber number
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imsiStr := fmt.Sprintf("%s%010d", s.config.IMSI.Prefix, nextIMSI)
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return models.IMSI(imsiStr), nil
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}
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