Restructure and simplify job repo

internal/repository/jobCreate.go

@@ -0,0 +1,75 @@
+// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
+// All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+package repository
+
+import (
+	"encoding/json"
+	"fmt"
+
+	"github.com/ClusterCockpit/cc-backend/pkg/log"
+	"github.com/ClusterCockpit/cc-backend/pkg/schema"
+	sq "github.com/Masterminds/squirrel"
+)
+
+const NamedJobInsert string = `INSERT INTO job (
+	job_id, user, project, cluster, subcluster, ` + "`partition`" + `, array_job_id, num_nodes, num_hwthreads, num_acc,
+	exclusive, monitoring_status, smt, job_state, start_time, duration, walltime, footprint, resources, meta_data
+) VALUES (
+	:job_id, :user, :project, :cluster, :subcluster, :partition, :array_job_id, :num_nodes, :num_hwthreads, :num_acc,
+  :exclusive, :monitoring_status, :smt, :job_state, :start_time, :duration, :walltime, :footprint, :resources, :meta_data
+);`
+
+func (r *JobRepository) InsertJob(job *schema.JobMeta) (int64, error) {
+	res, err := r.DB.NamedExec(NamedJobInsert, job)
+	if err != nil {
+		log.Warn("Error while NamedJobInsert")
+		return 0, err
+	}
+	id, err := res.LastInsertId()
+	if err != nil {
+		log.Warn("Error while getting last insert ID")
+		return 0, err
+	}
+
+	return id, nil
+}
+
+// Start inserts a new job in the table, returning the unique job ID.
+// Statistics are not transfered!
+func (r *JobRepository) Start(job *schema.JobMeta) (id int64, err error) {
+	job.RawFootprint, err = json.Marshal(job.Footprint)
+	if err != nil {
+		return -1, fmt.Errorf("REPOSITORY/JOB > encoding footprint field failed: %w", err)
+	}
+
+	job.RawResources, err = json.Marshal(job.Resources)
+	if err != nil {
+		return -1, fmt.Errorf("REPOSITORY/JOB > encoding resources field failed: %w", err)
+	}
+
+	job.RawMetaData, err = json.Marshal(job.MetaData)
+	if err != nil {
+		return -1, fmt.Errorf("REPOSITORY/JOB > encoding metaData field failed: %w", err)
+	}
+
+	return r.InsertJob(job)
+}
+
+// Stop updates the job with the database id jobId using the provided arguments.
+func (r *JobRepository) Stop(
+	jobId int64,
+	duration int32,
+	state schema.JobState,
+	monitoringStatus int32,
+) (err error) {
+	stmt := sq.Update("job").
+		Set("job_state", state).
+		Set("duration", duration).
+		Set("monitoring_status", monitoringStatus).
+		Where("job.id = ?", jobId)
+
+	_, err = stmt.RunWith(r.stmtCache).Exec()
+	return
+}