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invoice_dataloader.go
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invoice_dataloader.go
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package dataloader
import (
"context"
"github.com/graph-gophers/dataloader"
"github.com/openline-ai/openline-customer-os/packages/server/customer-os-common-module/tracing"
"github.com/openline-ai/openline-customer-os/packages/server/customer-os-common-module/utils"
neo4jentity "github.com/openline-ai/openline-customer-os/packages/server/customer-os-neo4j-repository/entity"
"github.com/opentracing/opentracing-go"
"github.com/opentracing/opentracing-go/log"
"github.com/pkg/errors"
"reflect"
)
func (i *Loaders) GetInvoiceLinesForInvoice(ctx context.Context, invoiceId string) (*neo4jentity.InvoiceLineEntities, error) {
thunk := i.InvoiceLinesForInvoice.Load(ctx, dataloader.StringKey(invoiceId))
result, err := thunk()
if err != nil {
return nil, err
}
resultObj := result.(neo4jentity.InvoiceLineEntities)
return &resultObj, nil
}
func (i *Loaders) GetInvoicesForContract(ctx context.Context, contractId string) (*neo4jentity.InvoiceEntities, error) {
thunk := i.InvoicesForContract.Load(ctx, dataloader.StringKey(contractId))
result, err := thunk()
if err != nil {
return nil, err
}
resultObj := result.(neo4jentity.InvoiceEntities)
return &resultObj, nil
}
func (b *invoiceBatcher) getInvoiceLinesForInvoice(ctx context.Context, keys dataloader.Keys) []*dataloader.Result {
span, ctx := opentracing.StartSpanFromContext(ctx, "InvoiceDataLoader.getInvoiceLinesForInvoice")
defer span.Finish()
tracing.SetDefaultServiceSpanTags(ctx, span)
span.LogFields(log.Object("keys", keys), log.Int("keys_length", len(keys)))
ids, keyOrder := sortKeys(keys)
ctx, cancel := utils.GetLongLivedContext(ctx)
defer cancel()
invoiceLinesEntitiesPtr, err := b.invoiceService.GetInvoiceLinesForInvoices(ctx, ids)
if err != nil {
tracing.TraceErr(span, err)
// check if context deadline exceeded error occurred
if errors.Is(ctx.Err(), context.DeadlineExceeded) {
return []*dataloader.Result{{Data: nil, Error: errors.New("deadline exceeded to get invoice lines for invoices")}}
}
return []*dataloader.Result{{Data: nil, Error: err}}
}
invoiceLinesByInvoiceId := make(map[string]neo4jentity.InvoiceLineEntities)
for _, val := range *invoiceLinesEntitiesPtr {
if list, ok := invoiceLinesByInvoiceId[val.DataloaderKey]; ok {
invoiceLinesByInvoiceId[val.DataloaderKey] = append(list, val)
} else {
invoiceLinesByInvoiceId[val.DataloaderKey] = neo4jentity.InvoiceLineEntities{val}
}
}
// construct an output array of dataloader results
results := make([]*dataloader.Result, len(keys))
for invoiceId, record := range invoiceLinesByInvoiceId {
if ix, ok := keyOrder[invoiceId]; ok {
results[ix] = &dataloader.Result{Data: record, Error: nil}
delete(keyOrder, invoiceId)
}
}
for _, ix := range keyOrder {
results[ix] = &dataloader.Result{Data: neo4jentity.InvoiceLineEntities{}, Error: nil}
}
if err = assertEntitiesType(results, reflect.TypeOf(neo4jentity.InvoiceLineEntities{})); err != nil {
tracing.TraceErr(span, err)
return []*dataloader.Result{{nil, err}}
}
span.LogFields(log.Int("results_length", len(results)))
return results
}
func (b *invoiceBatcher) getInvoicesForContract(ctx context.Context, keys dataloader.Keys) []*dataloader.Result {
span, ctx := opentracing.StartSpanFromContext(ctx, "InvoiceDataLoader.getInvoicesForContract")
defer span.Finish()
tracing.SetDefaultServiceSpanTags(ctx, span)
span.LogFields(log.Object("keys", keys), log.Int("keys_length", len(keys)))
ids, keyOrder := sortKeys(keys)
ctx, cancel := utils.GetLongLivedContext(ctx)
defer cancel()
invoiceEntitiesPtr, err := b.invoiceService.GetInvoicesForContracts(ctx, ids)
if err != nil {
tracing.TraceErr(span, err)
// check if context deadline exceeded error occurred
if errors.Is(ctx.Err(), context.DeadlineExceeded) {
return []*dataloader.Result{{Data: nil, Error: errors.New("deadline exceeded to get invoices for contracts")}}
}
return []*dataloader.Result{{Data: nil, Error: err}}
}
invoicesByContractId := make(map[string]neo4jentity.InvoiceEntities)
for _, val := range *invoiceEntitiesPtr {
if list, ok := invoicesByContractId[val.DataloaderKey]; ok {
invoicesByContractId[val.DataloaderKey] = append(list, val)
} else {
invoicesByContractId[val.DataloaderKey] = neo4jentity.InvoiceEntities{val}
}
}
// construct an output array of dataloader results
results := make([]*dataloader.Result, len(keys))
for invoiceId, record := range invoicesByContractId {
if ix, ok := keyOrder[invoiceId]; ok {
results[ix] = &dataloader.Result{Data: record, Error: nil}
delete(keyOrder, invoiceId)
}
}
for _, ix := range keyOrder {
results[ix] = &dataloader.Result{Data: neo4jentity.InvoiceEntities{}, Error: nil}
}
if err = assertEntitiesType(results, reflect.TypeOf(neo4jentity.InvoiceEntities{})); err != nil {
tracing.TraceErr(span, err)
return []*dataloader.Result{{nil, err}}
}
span.LogFields(log.Int("result.length", len(results)))
return results
}