Flags, expunge, move, copy and folder deletion each existed twice: once for IMAP (FlagRepository, ExpungeRepository, CopyRepository) and once for the webmail (WebmailRepository). They kept the cached numbers true on their own and drifted: - reading a message over IMAP never moved the folder's unread counter - deleting in the webmail, or deleting a folder, never gave the quota back - an IMAP expunge could push a counter below zero MailStore now holds each state change once, in one transaction, with the same rules everywhere: counters never go negative, a change that alters what a client can observe raises the folder's modseq (one that alters nothing does not), the quota follows the bytes, and a message is located by folder. The four repositories are thin adapters that only translate how each path names a message. The contract test added before this change (which failed on 8 of its cases) now passes, as does the full suite.
23 lines
584 B
Go
23 lines
584 B
Go
package postgres
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import (
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"context"
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"github.com/jackc/pgx/v5/pgxpool"
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"lambdamail/protocols/internal/application/port"
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)
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// CopyRepository implements port.CopyRepository (IMAP COPY) over MailStore.
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type CopyRepository struct {
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store *MailStore
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}
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func NewCopyRepository(pool *pgxpool.Pool) *CopyRepository {
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return &CopyRepository{store: NewMailStore(pool)}
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}
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func (r *CopyRepository) CopyMessages(ctx context.Context, sourceFolderID string, uids []uint32, destFolderID string) ([]port.CopiedMessage, error) {
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return r.store.Copy(ctx, sourceFolderID, uids, destFolderID)
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}
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