387 lines
22 KiB
Go
387 lines
22 KiB
Go
package postgres
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import (
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"context"
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"errors"
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"fmt"
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"git.cin.su/m/Assistant/contracts/continuity"
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"git.cin.su/m/Assistant/contracts/identity"
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continuitydomain "git.cin.su/m/Assistant/modules/continuity/domain"
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"github.com/jackc/pgx/v5"
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"github.com/jackc/pgx/v5/pgxpool"
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)
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var (
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ErrProspectiveNotFound = errors.New("prospective item not found")
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ErrProspectiveOwnerConflict = errors.New("prospective item owner conflict")
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ErrProspectiveStateConflict = errors.New("prospective item state conflict")
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ErrProspectiveRevisionConflict = errors.New("prospective item revision conflict")
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ErrActionReceiptNotFound = errors.New("continuity action receipt not found")
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ErrActionIntentConflict = errors.New("action intent was already used for a different command")
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ErrAttentionNotFound = errors.New("attention item not found")
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ErrAttentionStateConflict = errors.New("attention item state conflict")
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ErrAttentionRevisionConflict = errors.New("attention item revision conflict")
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)
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type ContinuityConfig struct{ Host, Port, Database, User, Password string }
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type ContinuityRepository struct{ pool *pgxpool.Pool }
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func OpenContinuity(ctx context.Context, config ContinuityConfig) (*ContinuityRepository, error) {
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dsn := fmt.Sprintf("host=%s port=%s dbname=%s user=%s password=%s", config.Host, config.Port, config.Database, config.User, config.Password)
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pool, err := pgxpool.New(ctx, dsn)
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if err != nil {
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return nil, err
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}
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return &ContinuityRepository{pool: pool}, nil
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}
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func (r *ContinuityRepository) Close() { r.pool.Close() }
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func (r *ContinuityRepository) Save(ctx context.Context, item continuity.ProspectiveItem) error {
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_, err := r.pool.Exec(ctx, `INSERT INTO continuity.prospective_items (prospective_item_id, commitment_id, owner_principal_id, scope_id, goal_id, source_intent_id, source_utterance_id, summary, trigger_at_unix_millis, state, revision) VALUES ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11) ON CONFLICT (prospective_item_id) DO UPDATE SET state=EXCLUDED.state, revision=EXCLUDED.revision`, item.ID, item.CommitmentID, item.OwnerPrincipalID, item.ScopeID, item.GoalID, item.SourceIntentID, item.SourceUtteranceID, item.Summary, item.TriggerAtUnixMillis, item.State, item.Revision)
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return err
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}
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func (r *ContinuityRepository) Load(ctx context.Context, id continuity.ProspectiveItemID) (continuity.ProspectiveItem, error) {
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var item continuity.ProspectiveItem
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err := r.pool.QueryRow(ctx, `SELECT prospective_item_id, commitment_id, owner_principal_id, scope_id, goal_id, source_intent_id, source_utterance_id, summary, trigger_at_unix_millis, state, revision FROM continuity.prospective_items WHERE prospective_item_id=$1`, id).Scan(&item.ID, &item.CommitmentID, &item.OwnerPrincipalID, &item.ScopeID, &item.GoalID, &item.SourceIntentID, &item.SourceUtteranceID, &item.Summary, &item.TriggerAtUnixMillis, &item.State, &item.Revision)
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if err != nil {
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return continuity.ProspectiveItem{}, fmt.Errorf("load prospective item: %w", err)
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}
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return item, nil
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}
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func (r *ContinuityRepository) ByOwner(ctx context.Context, owner identity.PrincipalID, limit int) ([]continuity.ProspectiveItem, error) {
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rows, err := r.pool.Query(ctx, `SELECT prospective_item_id, commitment_id, owner_principal_id, scope_id, goal_id, source_intent_id, source_utterance_id, summary, trigger_at_unix_millis, state, revision FROM continuity.prospective_items WHERE owner_principal_id=$1 ORDER BY trigger_at_unix_millis, prospective_item_id LIMIT $2`, owner, limit)
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if err != nil {
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return nil, fmt.Errorf("list prospective items by owner: %w", err)
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}
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defer rows.Close()
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items := make([]continuity.ProspectiveItem, 0)
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for rows.Next() {
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var item continuity.ProspectiveItem
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if err := rows.Scan(&item.ID, &item.CommitmentID, &item.OwnerPrincipalID, &item.ScopeID, &item.GoalID, &item.SourceIntentID, &item.SourceUtteranceID, &item.Summary, &item.TriggerAtUnixMillis, &item.State, &item.Revision); err != nil {
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return nil, fmt.Errorf("scan prospective item: %w", err)
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}
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items = append(items, item)
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}
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if err := rows.Err(); err != nil {
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return nil, fmt.Errorf("list prospective items by owner: %w", err)
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}
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return items, nil
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}
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func (r *ContinuityRepository) DueArmed(ctx context.Context, nowUnixMillis int64, limit int) ([]continuity.ProspectiveItem, error) {
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if limit < 1 || limit > 100 {
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return nil, fmt.Errorf("invalid due reminder limit")
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}
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rows, err := r.pool.Query(ctx, `SELECT prospective_item_id, commitment_id, owner_principal_id, scope_id, goal_id, source_intent_id, source_utterance_id, summary, trigger_at_unix_millis, state, revision
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FROM continuity.prospective_items
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WHERE state=$1 AND trigger_at_unix_millis <= $2
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ORDER BY trigger_at_unix_millis, prospective_item_id LIMIT $3`, continuity.ProspectiveArmed, nowUnixMillis, limit)
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if err != nil {
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return nil, fmt.Errorf("list due prospective items: %w", err)
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}
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defer rows.Close()
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items := make([]continuity.ProspectiveItem, 0)
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for rows.Next() {
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var item continuity.ProspectiveItem
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if err := rows.Scan(&item.ID, &item.CommitmentID, &item.OwnerPrincipalID, &item.ScopeID, &item.GoalID, &item.SourceIntentID, &item.SourceUtteranceID, &item.Summary, &item.TriggerAtUnixMillis, &item.State, &item.Revision); err != nil {
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return nil, fmt.Errorf("scan due prospective item: %w", err)
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}
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items = append(items, item)
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}
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return items, rows.Err()
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}
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func (r *ContinuityRepository) ClaimDueReminder(ctx context.Context, id continuity.ProspectiveItemID, revision continuity.ProspectiveRevision, attentionID continuity.AttentionItemID, nowUnixMillis int64) (continuity.ProspectiveItem, continuity.AttentionItem, error) {
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tx, err := r.pool.Begin(ctx)
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if err != nil {
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return continuity.ProspectiveItem{}, continuity.AttentionItem{}, err
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}
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defer func() { _ = tx.Rollback(ctx) }()
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var triggered continuity.ProspectiveItem
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err = tx.QueryRow(ctx, `UPDATE continuity.prospective_items
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SET state=$1, revision=revision+1
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WHERE prospective_item_id=$2 AND state=$3 AND revision=$4 AND trigger_at_unix_millis <= $5
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RETURNING prospective_item_id,commitment_id,owner_principal_id,scope_id,goal_id,source_intent_id,source_utterance_id,summary,trigger_at_unix_millis,state,revision`,
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continuity.ProspectiveTriggered, id, continuity.ProspectiveArmed, revision, nowUnixMillis).Scan(
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&triggered.ID, &triggered.CommitmentID, &triggered.OwnerPrincipalID, &triggered.ScopeID, &triggered.GoalID,
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&triggered.SourceIntentID, &triggered.SourceUtteranceID, &triggered.Summary, &triggered.TriggerAtUnixMillis, &triggered.State, &triggered.Revision)
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if errors.Is(err, pgx.ErrNoRows) {
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return continuity.ProspectiveItem{}, continuity.AttentionItem{}, ErrProspectiveRevisionConflict
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}
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if err != nil {
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return continuity.ProspectiveItem{}, continuity.AttentionItem{}, fmt.Errorf("trigger due reminder: %w", err)
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}
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var revalidating continuity.ProspectiveItem
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err = tx.QueryRow(ctx, `UPDATE continuity.prospective_items
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SET state=$1, revision=revision+1
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WHERE prospective_item_id=$2 AND state=$3 AND revision=$4
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RETURNING prospective_item_id,commitment_id,owner_principal_id,scope_id,goal_id,source_intent_id,source_utterance_id,summary,trigger_at_unix_millis,state,revision`,
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continuity.ProspectiveRevalidating, triggered.ID, continuity.ProspectiveTriggered, triggered.Revision).Scan(
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&revalidating.ID, &revalidating.CommitmentID, &revalidating.OwnerPrincipalID, &revalidating.ScopeID, &revalidating.GoalID,
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&revalidating.SourceIntentID, &revalidating.SourceUtteranceID, &revalidating.Summary, &revalidating.TriggerAtUnixMillis, &revalidating.State, &revalidating.Revision)
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if err != nil {
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return continuity.ProspectiveItem{}, continuity.AttentionItem{}, fmt.Errorf("begin due reminder revalidation: %w", err)
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}
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var delivered continuity.ProspectiveItem
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err = tx.QueryRow(ctx, `UPDATE continuity.prospective_items
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SET state=$1, revision=revision+1
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WHERE prospective_item_id=$2 AND state=$3 AND revision=$4
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RETURNING prospective_item_id,commitment_id,owner_principal_id,scope_id,goal_id,source_intent_id,source_utterance_id,summary,trigger_at_unix_millis,state,revision`,
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continuity.ProspectiveDelivered, revalidating.ID, continuity.ProspectiveRevalidating, revalidating.Revision).Scan(
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&delivered.ID, &delivered.CommitmentID, &delivered.OwnerPrincipalID, &delivered.ScopeID, &delivered.GoalID,
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&delivered.SourceIntentID, &delivered.SourceUtteranceID, &delivered.Summary, &delivered.TriggerAtUnixMillis, &delivered.State, &delivered.Revision)
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if err != nil {
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return continuity.ProspectiveItem{}, continuity.AttentionItem{}, fmt.Errorf("finish due reminder revalidation: %w", err)
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}
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attention, err := continuitydomain.BuildDueReminderAttention(delivered, attentionID, nowUnixMillis)
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if err != nil {
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return continuity.ProspectiveItem{}, continuity.AttentionItem{}, err
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}
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err = tx.QueryRow(ctx, `INSERT INTO continuity.attention_items (
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attention_item_id,owner_principal_id,scope_id,source_kind,source_prospective_item_id,level,state,summary,
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due_at_unix_millis,created_at_unix_millis,delivered_at_unix_millis,action_intent_id,authorized_action_id,
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action_attempt_id,delivery_outcome,revision)
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VALUES ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10,0,'','','','',1)
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ON CONFLICT (source_kind, source_prospective_item_id) DO UPDATE SET source_prospective_item_id=EXCLUDED.source_prospective_item_id
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RETURNING attention_item_id,owner_principal_id,scope_id,source_kind,source_prospective_item_id,level,state,summary,due_at_unix_millis,
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created_at_unix_millis,delivered_at_unix_millis,action_intent_id,authorized_action_id,action_attempt_id,delivery_outcome,revision`,
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attention.ID, attention.OwnerPrincipalID, attention.ScopeID, attention.SourceKind, attention.SourceProspectiveID,
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attention.Level, attention.State, attention.Summary, attention.DueAtUnixMillis, attention.CreatedAtUnixMillis).Scan(
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&attention.ID, &attention.OwnerPrincipalID, &attention.ScopeID, &attention.SourceKind, &attention.SourceProspectiveID,
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&attention.Level, &attention.State, &attention.Summary, &attention.DueAtUnixMillis, &attention.CreatedAtUnixMillis,
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&attention.DeliveredAtUnixMillis, &attention.ActionIntentID, &attention.AuthorizedActionID, &attention.ActionAttemptID,
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&attention.DeliveryOutcome, &attention.Revision)
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if err != nil {
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return continuity.ProspectiveItem{}, continuity.AttentionItem{}, fmt.Errorf("create due reminder attention: %w", err)
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}
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if err = tx.Commit(ctx); err != nil {
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return continuity.ProspectiveItem{}, continuity.AttentionItem{}, err
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}
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return delivered, attention, nil
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}
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func (r *ContinuityRepository) PendingAttention(ctx context.Context, limit int) ([]continuity.AttentionItem, error) {
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if limit < 1 || limit > 100 {
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return nil, fmt.Errorf("invalid attention limit")
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}
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rows, err := r.pool.Query(ctx, `SELECT attention_item_id,owner_principal_id,scope_id,source_kind,source_prospective_item_id,level,state,summary,
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due_at_unix_millis,created_at_unix_millis,delivered_at_unix_millis,action_intent_id,authorized_action_id,action_attempt_id,delivery_outcome,revision
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FROM continuity.attention_items WHERE state=$1 ORDER BY due_at_unix_millis, attention_item_id LIMIT $2`, continuity.AttentionPending, limit)
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if err != nil {
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return nil, fmt.Errorf("list pending attention: %w", err)
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}
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defer rows.Close()
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return scanAttentionRows(rows)
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}
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func (r *ContinuityRepository) AttentionByOwner(ctx context.Context, owner identity.PrincipalID, limit int) ([]continuity.AttentionItem, error) {
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if owner == "" || limit < 1 || limit > 100 {
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return nil, fmt.Errorf("invalid attention owner query")
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}
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rows, err := r.pool.Query(ctx, `SELECT attention_item_id,owner_principal_id,scope_id,source_kind,source_prospective_item_id,level,state,summary,
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due_at_unix_millis,created_at_unix_millis,delivered_at_unix_millis,action_intent_id,authorized_action_id,action_attempt_id,delivery_outcome,revision
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FROM continuity.attention_items WHERE owner_principal_id=$1 ORDER BY due_at_unix_millis DESC, attention_item_id DESC LIMIT $2`, owner, limit)
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if err != nil {
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return nil, fmt.Errorf("list attention by owner: %w", err)
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}
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defer rows.Close()
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return scanAttentionRows(rows)
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}
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func (r *ContinuityRepository) MarkAttentionDelivering(ctx context.Context, id continuity.AttentionItemID, revision continuity.AttentionRevision) (continuity.AttentionItem, error) {
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var item continuity.AttentionItem
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err := r.pool.QueryRow(ctx, `UPDATE continuity.attention_items SET state=$1, revision=revision+1
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WHERE attention_item_id=$2 AND state=$3 AND revision=$4
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RETURNING attention_item_id,owner_principal_id,scope_id,source_kind,source_prospective_item_id,level,state,summary,due_at_unix_millis,
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created_at_unix_millis,delivered_at_unix_millis,action_intent_id,authorized_action_id,action_attempt_id,delivery_outcome,revision`,
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continuity.AttentionDelivering, id, continuity.AttentionPending, revision).Scan(
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&item.ID, &item.OwnerPrincipalID, &item.ScopeID, &item.SourceKind, &item.SourceProspectiveID, &item.Level, &item.State,
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&item.Summary, &item.DueAtUnixMillis, &item.CreatedAtUnixMillis, &item.DeliveredAtUnixMillis, &item.ActionIntentID,
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&item.AuthorizedActionID, &item.ActionAttemptID, &item.DeliveryOutcome, &item.Revision)
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if errors.Is(err, pgx.ErrNoRows) {
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return continuity.AttentionItem{}, ErrAttentionRevisionConflict
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}
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return item, err
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}
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func (r *ContinuityRepository) MarkAttentionDelivered(ctx context.Context, id continuity.AttentionItemID, revision continuity.AttentionRevision, intentID continuity.CommittedActionIntentID, authorizedID continuity.CommittedAuthorizedActionID, attemptID continuity.CommittedActionAttemptID, outcome string, deliveredAtUnixMillis int64) (continuity.AttentionItem, error) {
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var item continuity.AttentionItem
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err := r.pool.QueryRow(ctx, `UPDATE continuity.attention_items
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SET state=$1, revision=revision+1, delivered_at_unix_millis=$2, action_intent_id=$3, authorized_action_id=$4,
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action_attempt_id=$5, delivery_outcome=$6
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WHERE attention_item_id=$7 AND state=$8 AND revision=$9
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RETURNING attention_item_id,owner_principal_id,scope_id,source_kind,source_prospective_item_id,level,state,summary,due_at_unix_millis,
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created_at_unix_millis,delivered_at_unix_millis,action_intent_id,authorized_action_id,action_attempt_id,delivery_outcome,revision`,
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continuity.AttentionDelivered, deliveredAtUnixMillis, intentID, authorizedID, attemptID, outcome,
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id, continuity.AttentionDelivering, revision).Scan(
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&item.ID, &item.OwnerPrincipalID, &item.ScopeID, &item.SourceKind, &item.SourceProspectiveID, &item.Level, &item.State,
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&item.Summary, &item.DueAtUnixMillis, &item.CreatedAtUnixMillis, &item.DeliveredAtUnixMillis, &item.ActionIntentID,
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&item.AuthorizedActionID, &item.ActionAttemptID, &item.DeliveryOutcome, &item.Revision)
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if errors.Is(err, pgx.ErrNoRows) {
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return continuity.AttentionItem{}, ErrAttentionRevisionConflict
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}
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return item, err
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}
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func (r *ContinuityRepository) MarkAttentionFailed(ctx context.Context, id continuity.AttentionItemID, revision continuity.AttentionRevision, intentID continuity.CommittedActionIntentID, authorizedID continuity.CommittedAuthorizedActionID, attemptID continuity.CommittedActionAttemptID, outcome string) (continuity.AttentionItem, error) {
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var item continuity.AttentionItem
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err := r.pool.QueryRow(ctx, `UPDATE continuity.attention_items
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SET state=$1, revision=revision+1, action_intent_id=$2, authorized_action_id=$3,
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action_attempt_id=$4, delivery_outcome=$5
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WHERE attention_item_id=$6 AND state=$7 AND revision=$8
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RETURNING attention_item_id,owner_principal_id,scope_id,source_kind,source_prospective_item_id,level,state,summary,due_at_unix_millis,
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created_at_unix_millis,delivered_at_unix_millis,action_intent_id,authorized_action_id,action_attempt_id,delivery_outcome,revision`,
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continuity.AttentionFailed, intentID, authorizedID, attemptID, outcome,
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id, continuity.AttentionDelivering, revision).Scan(
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&item.ID, &item.OwnerPrincipalID, &item.ScopeID, &item.SourceKind, &item.SourceProspectiveID, &item.Level, &item.State,
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&item.Summary, &item.DueAtUnixMillis, &item.CreatedAtUnixMillis, &item.DeliveredAtUnixMillis, &item.ActionIntentID,
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&item.AuthorizedActionID, &item.ActionAttemptID, &item.DeliveryOutcome, &item.Revision)
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if errors.Is(err, pgx.ErrNoRows) {
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return continuity.AttentionItem{}, ErrAttentionRevisionConflict
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}
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return item, err
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}
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// SatisfyDelivered owns both the Prospective CAS and its idempotency receipt in
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// one Continuity-local transaction. It never reaches Commit storage.
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func (r *ContinuityRepository) SatisfyDelivered(ctx context.Context, command continuity.SatisfyDeliveredCommand) (continuity.ActionReceipt, error) {
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if err := continuitydomain.ValidateSatisfyDelivered(command); err != nil {
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return continuity.ActionReceipt{}, err
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}
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tx, err := r.pool.Begin(ctx)
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if err != nil {
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return continuity.ActionReceipt{}, err
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}
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defer func() { _ = tx.Rollback(ctx) }()
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// Serialize deliveries of one ActionIntent inside the canonical owner. The
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// receipt remains the durable correctness source; the lock is transaction-local.
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if _, err = tx.Exec(ctx, `SELECT pg_advisory_xact_lock(hashtextextended($1,0))`, command.ActionIntentID); err != nil {
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return continuity.ActionReceipt{}, err
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}
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if existing, loadErr := loadActionReceipt(ctx, tx, command.ActionIntentID); loadErr == nil {
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if receiptMatchesCommand(existing, command) {
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return existing, tx.Commit(ctx)
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}
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return continuity.ActionReceipt{}, ErrActionIntentConflict
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} else if !errors.Is(loadErr, ErrActionReceiptNotFound) {
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return continuity.ActionReceipt{}, loadErr
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}
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var item continuity.ProspectiveItem
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err = tx.QueryRow(ctx, `UPDATE continuity.prospective_items
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SET state=$1, revision=revision+1
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WHERE prospective_item_id=$2 AND owner_principal_id=$3 AND state=$4 AND revision=$5
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RETURNING prospective_item_id,commitment_id,owner_principal_id,scope_id,goal_id,source_intent_id,source_utterance_id,summary,trigger_at_unix_millis,state,revision`,
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continuity.ProspectiveSatisfied, command.Subject.ProspectiveItemID, command.OwnerPrincipalID,
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continuity.ProspectiveDelivered, command.Subject.ExpectedRevision).Scan(
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&item.ID, &item.CommitmentID, &item.OwnerPrincipalID, &item.ScopeID, &item.GoalID, &item.SourceIntentID, &item.SourceUtteranceID, &item.Summary,
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&item.TriggerAtUnixMillis, &item.State, &item.Revision)
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if errors.Is(err, pgx.ErrNoRows) {
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return continuity.ActionReceipt{}, diagnoseProspectiveConflict(ctx, tx, command)
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}
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if err != nil {
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return continuity.ActionReceipt{}, fmt.Errorf("satisfy delivered prospective item: %w", err)
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}
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receipt := continuity.ActionReceipt{
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ActionIntentID: command.ActionIntentID, AuthorizedActionID: command.AuthorizedActionID,
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OwnerPrincipalID: command.OwnerPrincipalID, Subject: command.Subject,
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ResultState: item.State, ResultRevision: item.Revision,
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}
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_, err = tx.Exec(ctx, `INSERT INTO continuity.action_receipts (
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action_intent_id,authorized_action_id,owner_principal_id,prospective_item_id,expected_revision,
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from_state,to_state,evidence_ref,result_state,result_revision)
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VALUES ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10)`, receipt.ActionIntentID, receipt.AuthorizedActionID,
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receipt.OwnerPrincipalID, receipt.Subject.ProspectiveItemID, receipt.Subject.ExpectedRevision,
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receipt.Subject.FromState, receipt.Subject.ToState, receipt.Subject.EvidenceRef,
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receipt.ResultState, receipt.ResultRevision)
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if err != nil {
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return continuity.ActionReceipt{}, fmt.Errorf("save continuity action receipt: %w", err)
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}
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if err = tx.Commit(ctx); err != nil {
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return continuity.ActionReceipt{}, err
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}
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return receipt, nil
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}
|
|
|
|
func (r *ContinuityRepository) LoadActionReceipt(ctx context.Context, intentID continuity.CommittedActionIntentID) (continuity.ActionReceipt, error) {
|
|
return loadActionReceipt(ctx, r.pool, intentID)
|
|
}
|
|
|
|
type continuityRowQuerier interface {
|
|
QueryRow(context.Context, string, ...any) pgx.Row
|
|
}
|
|
|
|
type continuityRows interface {
|
|
Next() bool
|
|
Scan(...any) error
|
|
Err() error
|
|
}
|
|
|
|
func scanAttentionRows(rows continuityRows) ([]continuity.AttentionItem, error) {
|
|
items := make([]continuity.AttentionItem, 0)
|
|
for rows.Next() {
|
|
var item continuity.AttentionItem
|
|
if err := rows.Scan(&item.ID, &item.OwnerPrincipalID, &item.ScopeID, &item.SourceKind, &item.SourceProspectiveID,
|
|
&item.Level, &item.State, &item.Summary, &item.DueAtUnixMillis, &item.CreatedAtUnixMillis,
|
|
&item.DeliveredAtUnixMillis, &item.ActionIntentID, &item.AuthorizedActionID, &item.ActionAttemptID,
|
|
&item.DeliveryOutcome, &item.Revision); err != nil {
|
|
return nil, fmt.Errorf("scan attention item: %w", err)
|
|
}
|
|
items = append(items, item)
|
|
}
|
|
if err := rows.Err(); err != nil {
|
|
return nil, fmt.Errorf("scan attention items: %w", err)
|
|
}
|
|
return items, nil
|
|
}
|
|
|
|
func loadActionReceipt(ctx context.Context, querier continuityRowQuerier, intentID continuity.CommittedActionIntentID) (continuity.ActionReceipt, error) {
|
|
var receipt continuity.ActionReceipt
|
|
err := querier.QueryRow(ctx, `SELECT action_intent_id,authorized_action_id,owner_principal_id,prospective_item_id,
|
|
expected_revision,from_state,to_state,evidence_ref,result_state,result_revision
|
|
FROM continuity.action_receipts WHERE action_intent_id=$1`, intentID).Scan(
|
|
&receipt.ActionIntentID, &receipt.AuthorizedActionID, &receipt.OwnerPrincipalID,
|
|
&receipt.Subject.ProspectiveItemID, &receipt.Subject.ExpectedRevision, &receipt.Subject.FromState,
|
|
&receipt.Subject.ToState, &receipt.Subject.EvidenceRef, &receipt.ResultState, &receipt.ResultRevision)
|
|
if errors.Is(err, pgx.ErrNoRows) {
|
|
return continuity.ActionReceipt{}, ErrActionReceiptNotFound
|
|
}
|
|
if err != nil {
|
|
return continuity.ActionReceipt{}, fmt.Errorf("load continuity action receipt: %w", err)
|
|
}
|
|
return receipt, nil
|
|
}
|
|
|
|
func receiptMatchesCommand(receipt continuity.ActionReceipt, command continuity.SatisfyDeliveredCommand) bool {
|
|
return receipt.ActionIntentID == command.ActionIntentID && receipt.AuthorizedActionID == command.AuthorizedActionID &&
|
|
receipt.OwnerPrincipalID == command.OwnerPrincipalID && receipt.Subject == command.Subject
|
|
}
|
|
|
|
func diagnoseProspectiveConflict(ctx context.Context, querier continuityRowQuerier, command continuity.SatisfyDeliveredCommand) error {
|
|
var owner identity.PrincipalID
|
|
var state continuity.ProspectiveState
|
|
var revision continuity.ProspectiveRevision
|
|
err := querier.QueryRow(ctx, `SELECT owner_principal_id,state,revision FROM continuity.prospective_items WHERE prospective_item_id=$1`, command.Subject.ProspectiveItemID).Scan(&owner, &state, &revision)
|
|
if errors.Is(err, pgx.ErrNoRows) {
|
|
return ErrProspectiveNotFound
|
|
}
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if owner != command.OwnerPrincipalID {
|
|
return ErrProspectiveOwnerConflict
|
|
}
|
|
if state != continuity.ProspectiveDelivered {
|
|
return ErrProspectiveStateConflict
|
|
}
|
|
if revision != command.Subject.ExpectedRevision {
|
|
return ErrProspectiveRevisionConflict
|
|
}
|
|
return ErrProspectiveRevisionConflict
|
|
}
|