chore: refresh gramsrv public release
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1274 changed files with 378751 additions and 59919 deletions
419
internal/store/postgres/poll.go
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419
internal/store/postgres/poll.go
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@ -0,0 +1,419 @@
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package postgres
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import (
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"context"
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"encoding/base64"
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"encoding/json"
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"errors"
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"fmt"
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"time"
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"github.com/jackc/pgx/v5"
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"telesrv/internal/domain"
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"telesrv/internal/store/postgres/sqlcgen"
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)
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// 本文件实现 poll 权威态（polls / poll_votes 两张表，迁移 0089）：
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// - PollStore：发送时建 poll、getPollVotes 列表；
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// - 私聊/频道消息 store 的投票、关闭与读路径 enrichment 共用本文件 SQL 辅助；
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// - 校验与 viewer 门控复用 domain.ValidatePollVote / ResolvePollResults，与 memory 实现一致。
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//
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// options/correct_options/votes.options JSONB 统一存 base64(option bytes) 数组
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//（即 json.Marshal([][]byte) 的天然形态）。
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// PollStore 是 store.PollStore 的 PostgreSQL 实现。
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type PollStore struct {
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db sqlcgen.DBTX
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}
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// NewPollStore 基于 pgx 连接池（或事务）创建 PollStore。
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func NewPollStore(db sqlcgen.DBTX) *PollStore {
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return &PollStore{db: db}
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}
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func (s *PollStore) CreatePoll(ctx context.Context, def domain.PollDefinition) error {
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if def.ID == 0 || len(def.Options) == 0 {
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return domain.ErrPollInvalid
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}
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options, err := json.Marshal(def.Options)
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if err != nil {
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return fmt.Errorf("marshal poll options: %w", err)
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}
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correct, err := json.Marshal(def.CorrectOptions)
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if err != nil {
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return fmt.Errorf("marshal poll correct options: %w", err)
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}
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solutionEntities, err := encodeMessageEntities(def.SolutionEntities)
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if err != nil {
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return fmt.Errorf("marshal poll solution entities: %w", err)
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}
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if _, err := s.db.Exec(ctx, `
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INSERT INTO polls (
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poll_id, creator_user_id, multiple_choice, quiz, public_voters, revoting_disabled, hide_results,
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closed, close_period, close_date, options, correct_options, solution, solution_entities
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) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14)`,
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def.ID, def.CreatorUserID, def.MultipleChoice, def.Quiz, def.PublicVoters, def.RevotingDisabled, def.HideResultsUntilClose,
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def.Closed, int32(def.ClosePeriod), int32(def.CloseDate), options, correct, def.Solution, solutionEntities,
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); err != nil {
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return fmt.Errorf("insert poll: %w", err)
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}
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return nil
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}
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func (s *PollStore) GetPollDefinition(ctx context.Context, pollID int64) (domain.PollDefinition, bool, error) {
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defs, err := loadPollDefinitions(ctx, s.db, []int64{pollID}, false)
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if err != nil {
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return domain.PollDefinition{}, false, err
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}
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def, ok := defs[pollID]
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return def, ok, nil
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}
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func (s *PollStore) ListPollVotes(ctx context.Context, req domain.PollVotesListRequest) (domain.PollVotesList, error) {
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if req.PollID == 0 || req.Limit <= 0 {
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return domain.PollVotesList{}, domain.ErrPollInvalid
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}
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defs, err := loadPollDefinitions(ctx, s.db, []int64{req.PollID}, false)
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if err != nil {
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return domain.PollVotesList{}, err
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}
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if _, ok := defs[req.PollID]; !ok {
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return domain.PollVotesList{}, domain.ErrPollNotFound
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}
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optionFilter := ""
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args := []any{req.PollID}
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if len(req.Option) > 0 {
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args = append(args, base64.StdEncoding.EncodeToString(req.Option))
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optionFilter = fmt.Sprintf("AND options ? $%d", len(args))
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}
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var count int
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if err := s.db.QueryRow(ctx, fmt.Sprintf(`
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SELECT COUNT(*)::int FROM poll_votes WHERE poll_id = $1 %s`, optionFilter), args...).Scan(&count); err != nil {
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return domain.PollVotesList{}, fmt.Errorf("count poll votes: %w", err)
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}
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offsetFilter := ""
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if req.OffsetDate > 0 || req.OffsetUserID > 0 {
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args = append(args, int32(req.OffsetDate), req.OffsetUserID)
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offsetFilter = fmt.Sprintf("AND (vote_date, user_id) < ($%d, $%d)", len(args)-1, len(args))
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}
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args = append(args, int32(req.Limit+1))
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rows, err := s.db.Query(ctx, fmt.Sprintf(`
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SELECT user_id, options::text, vote_date
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FROM poll_votes
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WHERE poll_id = $1 %s %s
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ORDER BY vote_date DESC, user_id DESC
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LIMIT $%d`, optionFilter, offsetFilter, len(args)), args...)
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if err != nil {
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return domain.PollVotesList{}, fmt.Errorf("list poll votes: %w", err)
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}
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defer rows.Close()
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out := domain.PollVotesList{Count: count}
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for rows.Next() {
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var userID int64
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var optionsJSON string
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var date int32
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if err := rows.Scan(&userID, &optionsJSON, &date); err != nil {
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return domain.PollVotesList{}, fmt.Errorf("scan poll vote: %w", err)
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}
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options, err := decodePollOptions(optionsJSON)
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if err != nil {
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return domain.PollVotesList{}, err
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}
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out.Votes = append(out.Votes, domain.PollVote{PollID: req.PollID, UserID: userID, Options: options, Date: int(date)})
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}
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if err := rows.Err(); err != nil {
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return domain.PollVotesList{}, fmt.Errorf("iterate poll votes: %w", err)
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}
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if len(out.Votes) > req.Limit {
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out.Votes = out.Votes[:req.Limit]
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out.HasMore = true
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}
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return out, nil
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}
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// loadPollDefinitions 批量加载权威定义；forUpdate 时锁行（投票/关闭事务用）。
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func loadPollDefinitions(ctx context.Context, db sqlcgen.DBTX, pollIDs []int64, forUpdate bool) (map[int64]domain.PollDefinition, error) {
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if len(pollIDs) == 0 {
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return map[int64]domain.PollDefinition{}, nil
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}
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suffix := ""
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if forUpdate {
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suffix = " FOR UPDATE"
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}
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rows, err := db.Query(ctx, `
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SELECT poll_id, creator_user_id, multiple_choice, quiz, public_voters, revoting_disabled, hide_results,
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closed, close_period, close_date, options::text, correct_options::text, solution, solution_entities::text
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FROM polls
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WHERE poll_id = ANY($1)`+suffix, pollIDs)
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if err != nil {
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return nil, fmt.Errorf("load poll definitions: %w", err)
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}
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defer rows.Close()
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out := make(map[int64]domain.PollDefinition, len(pollIDs))
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for rows.Next() {
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var def domain.PollDefinition
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var closePeriod, closeDate int32
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var optionsJSON, correctJSON, solutionEntitiesJSON string
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if err := rows.Scan(&def.ID, &def.CreatorUserID, &def.MultipleChoice, &def.Quiz, &def.PublicVoters, &def.RevotingDisabled, &def.HideResultsUntilClose,
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&def.Closed, &closePeriod, &closeDate, &optionsJSON, &correctJSON, &def.Solution, &solutionEntitiesJSON); err != nil {
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return nil, fmt.Errorf("scan poll definition: %w", err)
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}
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def.ClosePeriod = int(closePeriod)
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def.CloseDate = int(closeDate)
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if def.Options, err = decodePollOptions(optionsJSON); err != nil {
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return nil, err
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}
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if def.CorrectOptions, err = decodePollOptions(correctJSON); err != nil {
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return nil, err
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}
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if def.SolutionEntities, err = decodeMessageEntities(solutionEntitiesJSON); err != nil {
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return nil, fmt.Errorf("decode poll solution entities: %w", err)
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}
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out[def.ID] = def
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}
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if err := rows.Err(); err != nil {
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return nil, fmt.Errorf("iterate poll definitions: %w", err)
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}
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return out, nil
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}
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// applyPollVote 在调用方事务里执行一次投票（校验 + upsert/撤票删除）。
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// 必须传入已 FOR UPDATE 锁定的 def，避免 quiz 并发双投。
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func applyPollVote(ctx context.Context, db sqlcgen.DBTX, def domain.PollDefinition, userID int64, options [][]byte, date int) error {
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var existingJSON *string
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err := db.QueryRow(ctx, `
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SELECT options::text FROM poll_votes WHERE poll_id = $1 AND user_id = $2 FOR UPDATE`, def.ID, userID).Scan(&existingJSON)
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if err != nil && !errors.Is(err, pgx.ErrNoRows) {
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return fmt.Errorf("load existing poll vote: %w", err)
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}
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var existing [][]byte
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if existingJSON != nil {
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if existing, err = decodePollOptions(*existingJSON); err != nil {
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return err
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}
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}
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if err := domain.ValidatePollVote(def, existing, options, date); err != nil {
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return err
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}
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if len(options) == 0 {
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if _, err := db.Exec(ctx, `DELETE FROM poll_votes WHERE poll_id = $1 AND user_id = $2`, def.ID, userID); err != nil {
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return fmt.Errorf("delete poll vote: %w", err)
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}
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return nil
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}
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encoded, err := json.Marshal(options)
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if err != nil {
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return fmt.Errorf("marshal poll vote options: %w", err)
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}
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if _, err := db.Exec(ctx, `
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INSERT INTO poll_votes (poll_id, user_id, options, vote_date)
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VALUES ($1, $2, $3, $4)
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ON CONFLICT (poll_id, user_id)
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DO UPDATE SET options = EXCLUDED.options, vote_date = EXCLUDED.vote_date`, def.ID, userID, encoded, int32(date)); err != nil {
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return fmt.Errorf("upsert poll vote: %w", err)
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}
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return nil
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}
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// closePollAsCreator 关闭 poll（幂等）；非创建者返回 ErrPollNotCreator。
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func closePollAsCreator(ctx context.Context, db sqlcgen.DBTX, def domain.PollDefinition, byUserID int64) error {
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if def.CreatorUserID != byUserID {
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return domain.ErrPollNotCreator
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}
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if _, err := db.Exec(ctx, `UPDATE polls SET closed = TRUE WHERE poll_id = $1`, def.ID); err != nil {
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return fmt.Errorf("close poll: %w", err)
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}
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return nil
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}
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// pollViewerAggregates 批量计算 viewer 视角的原始聚合（counts/total/recent/viewer options）。
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func pollViewerAggregates(ctx context.Context, db sqlcgen.DBTX, viewerUserID int64, pollIDs []int64) (map[int64]domain.PollAggregates, error) {
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out := make(map[int64]domain.PollAggregates, len(pollIDs))
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if len(pollIDs) == 0 {
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return out, nil
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}
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ensure := func(pollID int64) domain.PollAggregates {
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agg, ok := out[pollID]
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if !ok {
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agg = domain.PollAggregates{Counts: make(map[string]int)}
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}
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return agg
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}
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counts, err := db.Query(ctx, `
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SELECT poll_id, opt, COUNT(*)::int
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FROM poll_votes, LATERAL jsonb_array_elements_text(options) AS opt
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WHERE poll_id = ANY($1)
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GROUP BY poll_id, opt`, pollIDs)
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if err != nil {
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return nil, fmt.Errorf("aggregate poll counts: %w", err)
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}
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for counts.Next() {
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var pollID int64
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var encoded string
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var count int32
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if err := counts.Scan(&pollID, &encoded, &count); err != nil {
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counts.Close()
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return nil, fmt.Errorf("scan poll count: %w", err)
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}
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option, err := base64.StdEncoding.DecodeString(encoded)
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if err != nil {
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counts.Close()
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return nil, fmt.Errorf("decode poll count option: %w", err)
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}
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agg := ensure(pollID)
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agg.Counts[string(option)] = int(count)
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out[pollID] = agg
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}
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if err := counts.Err(); err != nil {
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counts.Close()
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return nil, fmt.Errorf("iterate poll counts: %w", err)
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}
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counts.Close()
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totals, err := db.Query(ctx, `
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SELECT poll_id, COUNT(*)::int FROM poll_votes WHERE poll_id = ANY($1) GROUP BY poll_id`, pollIDs)
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if err != nil {
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return nil, fmt.Errorf("aggregate poll totals: %w", err)
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}
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for totals.Next() {
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var pollID int64
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var total int32
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if err := totals.Scan(&pollID, &total); err != nil {
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totals.Close()
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return nil, fmt.Errorf("scan poll total: %w", err)
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}
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agg := ensure(pollID)
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agg.TotalVoters = int(total)
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out[pollID] = agg
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}
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if err := totals.Err(); err != nil {
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totals.Close()
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return nil, fmt.Errorf("iterate poll totals: %w", err)
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}
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totals.Close()
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recent, err := db.Query(ctx, `
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SELECT poll_id, user_id
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FROM (
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SELECT poll_id, user_id,
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row_number() OVER (PARTITION BY poll_id ORDER BY vote_date DESC, user_id DESC) AS rn
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FROM poll_votes
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WHERE poll_id = ANY($1)
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) ranked
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WHERE rn <= $2
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ORDER BY poll_id, rn`, pollIDs, int32(domain.MaxPollRecentVoters))
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if err != nil {
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return nil, fmt.Errorf("aggregate poll recent voters: %w", err)
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}
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for recent.Next() {
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var pollID, userID int64
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if err := recent.Scan(&pollID, &userID); err != nil {
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recent.Close()
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return nil, fmt.Errorf("scan poll recent voter: %w", err)
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}
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agg := ensure(pollID)
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agg.RecentVoters = append(agg.RecentVoters, userID)
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out[pollID] = agg
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}
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if err := recent.Err(); err != nil {
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recent.Close()
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return nil, fmt.Errorf("iterate poll recent voters: %w", err)
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}
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recent.Close()
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if viewerUserID != 0 {
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viewer, err := db.Query(ctx, `
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SELECT poll_id, options::text FROM poll_votes WHERE poll_id = ANY($1) AND user_id = $2`, pollIDs, viewerUserID)
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if err != nil {
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return nil, fmt.Errorf("load viewer poll votes: %w", err)
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}
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for viewer.Next() {
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var pollID int64
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var optionsJSON string
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if err := viewer.Scan(&pollID, &optionsJSON); err != nil {
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viewer.Close()
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return nil, fmt.Errorf("scan viewer poll vote: %w", err)
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}
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options, err := decodePollOptions(optionsJSON)
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if err != nil {
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viewer.Close()
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return nil, err
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}
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agg := ensure(pollID)
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agg.ViewerOptions = options
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out[pollID] = agg
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}
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if err := viewer.Err(); err != nil {
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viewer.Close()
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return nil, fmt.Errorf("iterate viewer poll votes: %w", err)
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}
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viewer.Close()
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}
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return out, nil
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}
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// pollMediaRef 标记一条待 enrich 的 poll media 及其 viewer（私聊按 box owner，频道按请求 viewer）。
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type pollMediaRef struct {
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media *domain.MessageMedia
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viewer int64
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}
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// enrichPollMediaRefs 是 postgres 读路径的统一 poll enrichment：
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// 按 (viewer) 分组加载 viewer options，counts/total/recent/定义只查一次。
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func enrichPollMediaRefs(ctx context.Context, db sqlcgen.DBTX, refs []pollMediaRef) error {
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if len(refs) == 0 {
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return nil
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}
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now := int(time.Now().Unix())
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pollIDSet := make(map[int64]struct{}, len(refs))
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viewers := make(map[int64][]pollMediaRef)
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for _, ref := range refs {
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if ref.media == nil || ref.media.Kind != domain.MessageMediaKindPoll || ref.media.Poll == nil || ref.media.Poll.ID == 0 {
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continue
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}
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pollIDSet[ref.media.Poll.ID] = struct{}{}
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viewers[ref.viewer] = append(viewers[ref.viewer], ref)
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}
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if len(pollIDSet) == 0 {
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return nil
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}
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pollIDs := make([]int64, 0, len(pollIDSet))
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for id := range pollIDSet {
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pollIDs = append(pollIDs, id)
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}
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defs, err := loadPollDefinitions(ctx, db, pollIDs, false)
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if err != nil {
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return err
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}
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for viewer, group := range viewers {
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aggs, err := pollViewerAggregates(ctx, db, viewer, pollIDs)
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if err != nil {
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return err
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}
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for _, ref := range group {
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def, ok := defs[ref.media.Poll.ID]
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if !ok {
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continue
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}
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agg, ok := aggs[ref.media.Poll.ID]
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if !ok {
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agg = domain.PollAggregates{Counts: map[string]int{}}
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}
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results := domain.ResolvePollResults(def, agg, viewer, now)
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domain.ApplyPollState(ref.media.Poll, def, results, now)
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}
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}
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return nil
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}
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func decodePollOptions(raw string) ([][]byte, error) {
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if raw == "" || raw == "[]" || raw == "null" {
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return nil, nil
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}
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var out [][]byte
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||||
if err := json.Unmarshal([]byte(raw), &out); err != nil {
|
||||
return nil, fmt.Errorf("decode poll options: %w", err)
|
||||
}
|
||||
return out, nil
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue