95 lines
2.1 KiB
Go
95 lines
2.1 KiB
Go
package statistics
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import (
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"context"
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"database/sql"
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"fmt"
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)
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type DepsClick struct {
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Conn *sql.DB
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}
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type StatisticClick struct {
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conn *sql.DB
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}
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func NewClickStatistic(ctx context.Context, deps DepsClick) (*StatisticClick, error) {
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s := &StatisticClick{
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conn: deps.Conn,
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}
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err := s.checkMW(ctx)
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if err != nil {
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fmt.Println("error check material view existing", err)
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return nil, err
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}
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return s, nil
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}
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func (s *StatisticClick) checkMW(ctx context.Context) error {
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query := `
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CREATE MATERIALIZED VIEW IF NOT EXISTS mv_last_answers_events
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ENGINE = MergeTree()
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ORDER BY (ctxsession, event_time) POPULATE AS
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SELECT
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event_time, ctxsession, ctxquizid, ctxquestionid, ctxidint, message,ctxquiz
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FROM statistics
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WHERE message IN ('InfoQuizOpen', 'InfoAnswer', 'InfoResult') AND event_level = 'info';
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`
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_, err := s.conn.ExecContext(ctx, query)
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if err != nil {
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return err
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}
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return nil
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}
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type Statistic struct {
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Count int64
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QuestionID int64
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}
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type PipeLineStatsResp map[int64][]Statistic
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func (s *StatisticClick) GetPipelinesStatistics(ctx context.Context, quizID int64, from uint64, to uint64) (PipeLineStatsResp, error) {
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pipelines := make(PipeLineStatsResp)
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query := `
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select last_quesion, questions, count() from (select last_quesion, questions, target_quiz
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from (select last_quesion, questions, target_quiz from view_pipelines_signs
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join view_respondent_paths on long_sess = session array join questions)
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as pipelines join mv_answers on questions=questionid and quizid=target_quiz
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where target_quiz = ? AND event_time BETWEEN ? AND ? ) group by last_quesion, questions;
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`
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rows, err := s.conn.QueryContext(ctx, query, quizID, from, to)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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for rows.Next() {
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var lastQuestionID int64
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var questionID int64
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var count int64
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if err := rows.Scan(&lastQuestionID, &questionID, &count); err != nil {
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return nil, err
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}
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stat := Statistic{
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Count: count,
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QuestionID: questionID,
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}
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pipelines[lastQuestionID] = append(pipelines[lastQuestionID], stat)
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}
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if err := rows.Err(); err != nil {
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return nil, err
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}
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return pipelines, nil
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}
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