Refactor directory structure

internal/metricdata/utils.go

@@ -0,0 +1,32 @@
+package metricdata
+
+import (
+	"context"
+	"encoding/json"
+	"time"
+
+	"github.com/ClusterCockpit/cc-backend/pkg/schema"
+)
+
+var TestLoadDataCallback func(job *schema.Job, metrics []string, scopes []schema.MetricScope, ctx context.Context) (schema.JobData, error) = func(job *schema.Job, metrics []string, scopes []schema.MetricScope, ctx context.Context) (schema.JobData, error) {
+	panic("TODO")
+}
+
+// Only a mock for unit-testing.
+type TestMetricDataRepository struct{}
+
+func (tmdr *TestMetricDataRepository) Init(_ json.RawMessage) error {
+	return nil
+}
+
+func (tmdr *TestMetricDataRepository) LoadData(job *schema.Job, metrics []string, scopes []schema.MetricScope, ctx context.Context) (schema.JobData, error) {
+	return TestLoadDataCallback(job, metrics, scopes, ctx)
+}
+
+func (tmdr *TestMetricDataRepository) LoadStats(job *schema.Job, metrics []string, ctx context.Context) (map[string]map[string]schema.MetricStatistics, error) {
+	panic("TODO")
+}
+
+func (tmdr *TestMetricDataRepository) LoadNodeData(cluster string, metrics, nodes []string, scopes []schema.MetricScope, from, to time.Time, ctx context.Context) (map[string]map[string][]*schema.JobMetric, error) {
+	panic("TODO")
+}