Extract DB queries from REST API

repository/job.go

@@ -3,6 +3,8 @@ package repository
 import (
 	"database/sql"
 
+	"github.com/ClusterCockpit/cc-backend/log"
+	"github.com/ClusterCockpit/cc-backend/schema"
 	sq "github.com/Masterminds/squirrel"
 	"github.com/jmoiron/sqlx"
 )
@@ -11,15 +13,152 @@ type JobRepository struct {
 	DB *sqlx.DB
 }
 
-func (r *JobRepository) JobExists(jobId int64, cluster string, startTime int64) (rows *sql.Rows, err error) {
+func (r *JobRepository) FindJobById(
+	jobId int64) (*schema.Job, error) {
+	sql, args, err := sq.Select(schema.JobColumns...).
+		From("job").Where("job.id = ?", jobId).ToSql()
+	if err != nil {
+		return nil, err
+	}
+
+	job, err := schema.ScanJob(r.DB.QueryRowx(sql, args...))
+	return job, err
+}
+
+// func (r *JobRepository) FindJobsByFilter( ) ([]*schema.Job, int, error) {
+
+// }
+
+func (r *JobRepository) FindJobByIdWithUser(
+	jobId int64,
+	username string) (*schema.Job, error) {
+
+	sql, args, err := sq.Select(schema.JobColumns...).
+		From("job").
+		Where("job.id = ?", jobId).
+		Where("job.user = ?", username).ToSql()
+	if err != nil {
+		return nil, err
+	}
+
+	job, err := schema.ScanJob(r.DB.QueryRowx(sql, args...))
+	return job, err
+}
+
+func (r *JobRepository) JobExists(
+	jobId int64,
+	cluster string,
+	startTime int64) (rows *sql.Rows, err error) {
 	rows, err = r.DB.Query(`SELECT job.id FROM job WHERE job.job_id = ? AND job.cluster = ? AND job.start_time = ?`,
 		jobId, cluster, startTime)
 	return
 }
 
-func (r *JobRepository) IdExists(jobId int64) bool {
+func (r *JobRepository) Add(job schema.JobMeta) (res sql.Result, err error) {
+	res, err = r.DB.NamedExec(`INSERT INTO job (
+		job_id, user, project, cluster, `+"`partition`"+`, array_job_id, num_nodes, num_hwthreads, num_acc,
+		exclusive, monitoring_status, smt, job_state, start_time, duration, resources, meta_data
+	) VALUES (
+		:job_id, :user, :project, :cluster, :partition, :array_job_id, :num_nodes, :num_hwthreads, :num_acc,
+		:exclusive, :monitoring_status, :smt, :job_state, :start_time, :duration, :resources, :meta_data
+	);`, job)
+	return
+}
 
-	return true
+func (r *JobRepository) Stop(
+	jobId int64,
+	cluster string,
+	startTime int64) (job *schema.Job, err error) {
+	var sql string
+	var args []interface{}
+	qb := sq.Select(schema.JobColumns...).From("job").
+		Where("job.job_id = ?", jobId).
+		Where("job.cluster = ?", cluster)
+	if startTime != 0 {
+		qb = qb.Where("job.start_time = ?", startTime)
+	}
+	sql, args, err = qb.ToSql()
+	if err != nil {
+		return
+	}
+	job, err = schema.ScanJob(r.DB.QueryRowx(sql, args...))
+	return
+}
+
+func (r *JobRepository) StopById(id string) (job *schema.Job, err error) {
+	var sql string
+	var args []interface{}
+	qb := sq.Select(schema.JobColumns...).From("job").
+		Where("job.id = ?", id)
+	sql, args, err = qb.ToSql()
+	if err != nil {
+		return
+	}
+	job, err = schema.ScanJob(r.DB.QueryRowx(sql, args...))
+	return
+}
+
+func (r *JobRepository) Close(
+	jobId int64,
+	duration int32,
+	state schema.JobState,
+	metricStats map[string]schema.JobStatistics) {
+
+	stmt := sq.Update("job").
+		Set("job_state", state).
+		Set("duration", duration).
+		Where("job.id = ?", jobId)
+
+	for metric, stats := range metricStats {
+		switch metric {
+		case "flops_any":
+			stmt = stmt.Set("flops_any_avg", stats.Avg)
+		case "mem_used":
+			stmt = stmt.Set("mem_used_max", stats.Max)
+		case "mem_bw":
+			stmt = stmt.Set("mem_bw_avg", stats.Avg)
+		case "load":
+			stmt = stmt.Set("load_avg", stats.Avg)
+		case "net_bw":
+			stmt = stmt.Set("net_bw_avg", stats.Avg)
+		case "file_bw":
+			stmt = stmt.Set("file_bw_avg", stats.Avg)
+		}
+	}
+
+	sql, args, err := stmt.ToSql()
+	if err != nil {
+		log.Errorf("archiving job (dbid: %d) failed: %s", jobId, err.Error())
+	}
+
+	if _, err := r.DB.Exec(sql, args...); err != nil {
+		log.Errorf("archiving job (dbid: %d) failed: %s", jobId, err.Error())
+	}
+}
+
+func (r *JobRepository) findById(id string) (job *schema.Job, err error) {
+	var sql string
+	var args []interface{}
+	sql, args, err = sq.Select(schema.JobColumns...).From("job").Where("job.id = ?", id).ToSql()
+	if err != nil {
+		return
+	}
+	job, err = schema.ScanJob(r.DB.QueryRowx(sql, args...))
+	return
+}
+
+func (r *JobRepository) Exists(jobId int64) bool {
+	rows, err := r.DB.Query(`SELECT job.id FROM job WHERE job.job_id = ?`, jobId)
+
+	if err != nil {
+		return false
+	}
+
+	if rows.Next() {
+		return true
+	}
+
+	return false
 }
 
 func (r *JobRepository) AddTag(jobId int64, tagId int64) error {