Module project, commit, submission
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This commit is contained in:
230
internal/repositories/commitRepository.go
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230
internal/repositories/commitRepository.go
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@@ -0,0 +1,230 @@
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package repositories
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import (
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"context"
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"crypto/md5"
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"encoding/json"
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"fmt"
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"history-api/internal/gen/sqlc"
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"history-api/internal/models"
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"history-api/pkg/cache"
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"history-api/pkg/constants"
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"history-api/pkg/convert"
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"github.com/jackc/pgx/v5"
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"github.com/jackc/pgx/v5/pgtype"
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)
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type CommitRepository interface {
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Create(ctx context.Context, params sqlc.CreateCommitParams) (*models.CommitEntity, error)
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GetByID(ctx context.Context, id pgtype.UUID) (*models.CommitEntity, error)
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GetByProjectID(ctx context.Context, projectID pgtype.UUID) ([]*models.CommitEntity, error)
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Search(ctx context.Context, params sqlc.SearchCommitsParams) ([]*models.CommitEntity, error)
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WithTx(tx pgx.Tx) CommitRepository
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}
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type commitRepository struct {
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q *sqlc.Queries
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c cache.Cache
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}
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func NewCommitRepository(db sqlc.DBTX, c cache.Cache) CommitRepository {
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return &commitRepository{
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q: sqlc.New(db),
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c: c,
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}
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}
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func (r *commitRepository) WithTx(tx pgx.Tx) CommitRepository {
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return &commitRepository{
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q: r.q.WithTx(tx),
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c: r.c,
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}
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}
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func (r *commitRepository) Create(ctx context.Context, params sqlc.CreateCommitParams) (*models.CommitEntity, error) {
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row, err := r.q.CreateCommit(ctx, params)
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if err != nil {
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return nil, err
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}
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return &models.CommitEntity{
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ID: convert.UUIDToString(row.ID),
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ProjectID: convert.UUIDToString(row.ProjectID),
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SnapshotJson: row.SnapshotJson,
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SnapshotHash: convert.TextToString(row.SnapshotHash),
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UserID: convert.UUIDToString(row.UserID),
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EditSummary: convert.TextToString(row.EditSummary),
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IsDeleted: row.IsDeleted,
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CreatedAt: convert.TimeToPtr(row.CreatedAt),
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}, nil
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}
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func (r *commitRepository) GetByID(ctx context.Context, id pgtype.UUID) (*models.CommitEntity, error) {
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cacheId := fmt.Sprintf("commit:id:%s", convert.UUIDToString(id))
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var commit models.CommitEntity
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err := r.c.Get(ctx, cacheId, &commit)
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if err == nil {
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_ = r.c.Set(ctx, cacheId, commit, constants.NormalCacheDuration)
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return &commit, nil
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}
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row, err := r.q.GetCommitById(ctx, id)
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if err != nil {
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return nil, err
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}
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commit = models.CommitEntity{
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ID: convert.UUIDToString(row.ID),
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ProjectID: convert.UUIDToString(row.ProjectID),
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SnapshotJson: row.SnapshotJson,
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SnapshotHash: convert.TextToString(row.SnapshotHash),
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UserID: convert.UUIDToString(row.UserID),
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EditSummary: convert.TextToString(row.EditSummary),
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IsDeleted: row.IsDeleted,
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CreatedAt: convert.TimeToPtr(row.CreatedAt),
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}
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_ = r.c.Set(ctx, cacheId, commit, constants.NormalCacheDuration)
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return &commit, nil
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}
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func (r *commitRepository) generateQueryKey(prefix string, params any) string {
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b, _ := json.Marshal(params)
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hash := fmt.Sprintf("%x", md5.Sum(b))
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return fmt.Sprintf("%s:query:%s", prefix, hash)
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}
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func (r *commitRepository) getByIDsWithFallback(ctx context.Context, ids []string) ([]*models.CommitEntity, error) {
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if len(ids) == 0 {
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return []*models.CommitEntity{}, nil
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}
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keys := make([]string, len(ids))
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for i, id := range ids {
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keys[i] = fmt.Sprintf("commit:id:%s", id)
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}
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raws := r.c.MGet(ctx, keys...)
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var commits []*models.CommitEntity
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missingToCache := make(map[string]any)
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var missingPgIds []pgtype.UUID
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for i, b := range raws {
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if len(b) == 0 {
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pgId := pgtype.UUID{}
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err := pgId.Scan(ids[i])
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if err == nil {
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missingPgIds = append(missingPgIds, pgId)
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}
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}
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}
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dbMap := make(map[string]*models.CommitEntity)
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if len(missingPgIds) > 0 {
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dbRows, err := r.q.GetCommitsByIDs(ctx, missingPgIds)
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if err == nil {
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for _, row := range dbRows {
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item := models.CommitEntity{
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ID: convert.UUIDToString(row.ID),
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ProjectID: convert.UUIDToString(row.ProjectID),
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SnapshotJson: row.SnapshotJson,
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SnapshotHash: convert.TextToString(row.SnapshotHash),
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UserID: convert.UUIDToString(row.UserID),
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EditSummary: convert.TextToString(row.EditSummary),
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IsDeleted: row.IsDeleted,
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CreatedAt: convert.TimeToPtr(row.CreatedAt),
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}
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dbMap[item.ID] = &item
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}
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}
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}
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for i, b := range raws {
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if len(b) > 0 {
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var c models.CommitEntity
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if err := json.Unmarshal(b, &c); err == nil {
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commits = append(commits, &c)
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}
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} else {
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if item, ok := dbMap[ids[i]]; ok {
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commits = append(commits, item)
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missingToCache[keys[i]] = item
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}
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}
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}
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if len(missingToCache) > 0 {
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_ = r.c.MSet(ctx, missingToCache, constants.NormalCacheDuration)
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}
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return commits, nil
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}
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func (r *commitRepository) GetByProjectID(ctx context.Context, projectID pgtype.UUID) ([]*models.CommitEntity, error) {
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queryKey := fmt.Sprintf("commit:project:%s", convert.UUIDToString(projectID))
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var cachedIDs []string
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if err := r.c.Get(ctx, queryKey, &cachedIDs); err == nil && len(cachedIDs) > 0 {
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return r.getByIDsWithFallback(ctx, cachedIDs)
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}
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rows, err := r.q.GetCommitsByProjectID(ctx, projectID)
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if err != nil {
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return nil, err
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}
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entities := make([]*models.CommitEntity, 0, len(rows))
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for _, row := range rows {
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entities = append(entities, &models.CommitEntity{
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ID: convert.UUIDToString(row.ID),
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ProjectID: convert.UUIDToString(row.ProjectID),
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SnapshotJson: row.SnapshotJson,
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SnapshotHash: convert.TextToString(row.SnapshotHash),
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UserID: convert.UUIDToString(row.UserID),
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EditSummary: convert.TextToString(row.EditSummary),
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IsDeleted: row.IsDeleted,
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CreatedAt: convert.TimeToPtr(row.CreatedAt),
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})
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}
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return entities, nil
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}
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func (r *commitRepository) Search(ctx context.Context, params sqlc.SearchCommitsParams) ([]*models.CommitEntity, error) {
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queryKey := r.generateQueryKey("commit:search", params)
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var cachedIDs []string
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if err := r.c.Get(ctx, queryKey, &cachedIDs); err == nil && len(cachedIDs) > 0 {
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return r.getByIDsWithFallback(ctx, cachedIDs)
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}
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rows, err := r.q.SearchCommits(ctx, params)
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if err != nil {
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return nil, err
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}
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var commits []*models.CommitEntity
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var ids []string
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commitToCache := make(map[string]any)
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for _, row := range rows {
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commit := &models.CommitEntity{
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ID: convert.UUIDToString(row.ID),
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ProjectID: convert.UUIDToString(row.ProjectID),
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SnapshotJson: row.SnapshotJson,
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SnapshotHash: convert.TextToString(row.SnapshotHash),
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UserID: convert.UUIDToString(row.UserID),
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EditSummary: convert.TextToString(row.EditSummary),
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IsDeleted: row.IsDeleted,
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CreatedAt: convert.TimeToPtr(row.CreatedAt),
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}
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ids = append(ids, commit.ID)
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commits = append(commits, commit)
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commitToCache[fmt.Sprintf("commit:id:%s", commit.ID)] = commit
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}
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if len(commitToCache) > 0 {
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_ = r.c.MSet(ctx, commitToCache, constants.NormalCacheDuration)
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}
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if len(ids) > 0 {
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_ = r.c.Set(ctx, queryKey, ids, constants.ListCacheDuration)
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}
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return commits, nil
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}
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