a898df6915
Implemented content hash-based deduplication to skip exports when only timestamps changed. Core logic complete, needs export_hashes table wiring. Completed: - Added computeIssueContentHash() excluding timestamps - Created shouldSkipExport() logic - Updated export loop to skip timestamp-only changes - Added hash.go with content hashing - Extended Storage interface Remaining: - Complete export_hashes table migration - Add SetExportHash/GetExportHash to interface - Revert content_hash from dirty_issues approach - Wire up hash persistence in export - Testing See bd-164 notes for details. Amp-Thread-ID: https://ampcode.com/threads/T-d70657d1-4433-4f7e-b10a-3fccf8bf17fb Co-authored-by: Amp <amp@ampcode.com>
36 lines
863 B
Go
36 lines
863 B
Go
package sqlite
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import (
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"crypto/sha256"
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"encoding/hex"
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"encoding/json"
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"time"
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"github.com/steveyegge/beads/internal/types"
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)
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// computeIssueContentHash computes a SHA256 hash of an issue's content, excluding timestamps.
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// This is used for detecting timestamp-only changes during export deduplication.
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func computeIssueContentHash(issue *types.Issue) (string, error) {
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// Clone issue and zero out timestamps to exclude them from hash
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normalized := *issue
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normalized.CreatedAt = time.Time{}
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normalized.UpdatedAt = time.Time{}
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// Also zero out ClosedAt if present
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if normalized.ClosedAt != nil {
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zeroTime := time.Time{}
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normalized.ClosedAt = &zeroTime
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}
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// Serialize to JSON
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data, err := json.Marshal(normalized)
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if err != nil {
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return "", err
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}
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// SHA256 hash
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hash := sha256.Sum256(data)
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return hex.EncodeToString(hash[:]), nil
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}
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