package graph import ( "context" "errors" "fmt" "regexp" "strings" "github.com/ClusterCockpit/cc-jobarchive/auth" "github.com/ClusterCockpit/cc-jobarchive/graph/model" "github.com/ClusterCockpit/cc-jobarchive/schema" sq "github.com/Masterminds/squirrel" "github.com/jmoiron/sqlx" ) // This file will not be regenerated automatically. // // It serves as dependency injection for your app, add any dependencies you require here. type Resolver struct { DB *sqlx.DB } // Helper function for the `jobs` GraphQL-Query. Is also used elsewhere when a list of jobs is needed. func (r *Resolver) queryJobs(ctx context.Context, filters []*model.JobFilter, page *model.PageRequest, order *model.OrderByInput) ([]*schema.Job, int, error) { query := sq.Select(schema.JobColumns...).From("job") query = securityCheck(ctx, query) if order != nil { field := toSnakeCase(order.Field) if order.Order == model.SortDirectionEnumAsc { query = query.OrderBy(fmt.Sprintf("job.%s ASC", field)) } else if order.Order == model.SortDirectionEnumDesc { query = query.OrderBy(fmt.Sprintf("job.%s DESC", field)) } else { return nil, 0, errors.New("invalid sorting order") } } if page != nil { limit := uint64(page.ItemsPerPage) query = query.Offset((uint64(page.Page) - 1) * limit).Limit(limit) } else { query = query.Limit(50) } for _, f := range filters { query = buildWhereClause(f, query) } sql, args, err := query.ToSql() if err != nil { return nil, 0, err } rows, err := r.DB.Queryx(sql, args...) if err != nil { return nil, 0, err } jobs := make([]*schema.Job, 0, 50) for rows.Next() { job, err := schema.ScanJob(rows) if err != nil { return nil, 0, err } jobs = append(jobs, job) } // count all jobs: query = sq.Select("count(*)").From("job") for _, f := range filters { query = buildWhereClause(f, query) } var count int if err := query.RunWith(r.DB).Scan(&count); err != nil { return nil, 0, err } return jobs, count, nil } func securityCheck(ctx context.Context, query sq.SelectBuilder) sq.SelectBuilder { val := ctx.Value(auth.ContextUserKey) if val == nil { return query } user := val.(*auth.User) if user.IsAdmin { return query } return query.Where("job.user_id = ?", user.Username) } // Build a sq.SelectBuilder out of a schema.JobFilter. func buildWhereClause(filter *model.JobFilter, query sq.SelectBuilder) sq.SelectBuilder { if filter.Tags != nil { query = query.Join("jobtag ON jobtag.job_id = job.id").Where(sq.Eq{"jobtag.tag_id": filter.Tags}) } if filter.JobID != nil { query = buildStringCondition("job.job_id", filter.JobID, query) } if filter.User != nil { query = buildStringCondition("job.user", filter.User, query) } if filter.Project != nil { query = buildStringCondition("job.project", filter.Project, query) } if filter.Cluster != nil { query = buildStringCondition("job.cluster", filter.Cluster, query) } if filter.StartTime != nil { query = buildTimeCondition("job.start_time", filter.StartTime, query) } if filter.Duration != nil { query = buildIntCondition("job.duration", filter.Duration, query) } if filter.State != nil { states := make([]string, len(filter.State)) for i, val := range filter.State { states[i] = string(val) } query = query.Where(sq.Eq{"job.job_state": states}) } if filter.NumNodes != nil { query = buildIntCondition("job.num_nodes", filter.NumNodes, query) } if filter.FlopsAnyAvg != nil { query = buildFloatCondition("job.flops_any_avg", filter.FlopsAnyAvg, query) } if filter.MemBwAvg != nil { query = buildFloatCondition("job.mem_bw_avg", filter.MemBwAvg, query) } if filter.LoadAvg != nil { query = buildFloatCondition("job.load_avg", filter.LoadAvg, query) } if filter.MemUsedMax != nil { query = buildFloatCondition("job.mem_used_max", filter.MemUsedMax, query) } return query } func buildIntCondition(field string, cond *model.IntRange, query sq.SelectBuilder) sq.SelectBuilder { return query.Where(field+" BETWEEN ? AND ?", cond.From, cond.To) } func buildTimeCondition(field string, cond *model.TimeRange, query sq.SelectBuilder) sq.SelectBuilder { if cond.From != nil && cond.To != nil { return query.Where(field+" BETWEEN ? AND ?", cond.From.Unix(), cond.To.Unix()) } else if cond.From != nil { return query.Where("? <= "+field, cond.From.Unix()) } else if cond.To != nil { return query.Where(field+" <= ?", cond.To.Unix()) } else { return query } } func buildFloatCondition(field string, cond *model.FloatRange, query sq.SelectBuilder) sq.SelectBuilder { return query.Where(field+" BETWEEN ? AND ?", cond.From, cond.To) } func buildStringCondition(field string, cond *model.StringInput, query sq.SelectBuilder) sq.SelectBuilder { if cond.Eq != nil { return query.Where(field+" = ?", *cond.Eq) } if cond.StartsWith != nil { return query.Where(field+" LIKE ?", fmt.Sprint(*cond.StartsWith, "%")) } if cond.EndsWith != nil { return query.Where(field+" LIKE ?", fmt.Sprint("%", *cond.EndsWith)) } if cond.Contains != nil { return query.Where(field+" LIKE ?", fmt.Sprint("%", *cond.Contains, "%")) } return query } var matchFirstCap = regexp.MustCompile("(.)([A-Z][a-z]+)") var matchAllCap = regexp.MustCompile("([a-z0-9])([A-Z])") func toSnakeCase(str string) string { str = strings.ReplaceAll(str, "'", "") str = strings.ReplaceAll(str, "\\", "") snake := matchFirstCap.ReplaceAllString(str, "${1}_${2}") snake = matchAllCap.ReplaceAllString(snake, "${1}_${2}") return strings.ToLower(snake) }