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offering_read_repository.go
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/
offering_read_repository.go
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package repository
import (
"context"
"github.com/neo4j/neo4j-go-driver/v5/neo4j"
"github.com/neo4j/neo4j-go-driver/v5/neo4j/dbtype"
"github.com/openline-ai/openline-customer-os/packages/server/customer-os-common-module/utils"
"github.com/openline-ai/openline-customer-os/packages/server/customer-os-neo4j-repository/tracing"
"github.com/opentracing/opentracing-go"
"github.com/opentracing/opentracing-go/log"
)
type OfferingReadRepository interface {
GetOfferings(ctx context.Context, tenant string) ([]*dbtype.Node, error)
GetOfferingById(ctx context.Context, tenant, id string) (*dbtype.Node, error)
}
type offeringReadRepository struct {
driver *neo4j.DriverWithContext
database string
}
func NewOfferingReadRepository(driver *neo4j.DriverWithContext, database string) OfferingReadRepository {
return &offeringReadRepository{
driver: driver,
database: database,
}
}
func (r *offeringReadRepository) prepareReadSession(ctx context.Context) neo4j.SessionWithContext {
return utils.NewNeo4jReadSession(ctx, *r.driver, utils.WithDatabaseName(r.database))
}
func (r *offeringReadRepository) GetOfferings(ctx context.Context, tenant string) ([]*dbtype.Node, error) {
span, ctx := opentracing.StartSpanFromContext(ctx, "OfferingReadRepository.GetOfferings")
defer span.Finish()
tracing.SetNeo4jRepositorySpanTags(span, tenant)
cypher := `MATCH (:Tenant {name:$tenant})<-[:OFFERING_BELONGS_TO_TENANT]-(of:Offering)
RETURN of ORDER BY of.createdAt ASC`
params := map[string]any{
"tenant": tenant,
}
span.LogFields(log.String("cypher", cypher))
tracing.LogObjectAsJson(span, "params", params)
session := r.prepareReadSession(ctx)
defer session.Close(ctx)
result, err := session.ExecuteRead(ctx, func(tx neo4j.ManagedTransaction) (any, error) {
queryResult, err := tx.Run(ctx, cypher, params)
return utils.ExtractAllRecordsFirstValueAsDbNodePtrs(ctx, queryResult, err)
})
if err != nil {
return nil, err
}
span.LogFields(log.Int("result.count", len(result.([]*dbtype.Node))))
if result == nil {
return nil, nil
}
return result.([]*dbtype.Node), nil
}
func (r *offeringReadRepository) GetOfferingById(ctx context.Context, tenant, id string) (*dbtype.Node, error) {
span, ctx := opentracing.StartSpanFromContext(ctx, "OfferingReadRepository.GetOfferingById")
defer span.Finish()
tracing.SetNeo4jRepositorySpanTags(span, tenant)
cypher := `MATCH (:Tenant {name:$tenant})<-[:OFFERING_BELONGS_TO_TENANT]-(of:Offering {id:$id})
RETURN of`
params := map[string]any{
"tenant": tenant,
"id": id,
}
span.LogFields(log.String("cypher", cypher))
tracing.LogObjectAsJson(span, "params", params)
session := r.prepareReadSession(ctx)
defer session.Close(ctx)
result, err := session.ExecuteRead(ctx, func(tx neo4j.ManagedTransaction) (any, error) {
queryResult, err := tx.Run(ctx, cypher, params)
return utils.ExtractSingleRecordFirstValueAsNode(ctx, queryResult, err)
})
if err != nil {
tracing.TraceErr(span, err)
span.LogFields(log.Bool("result.found", false))
return nil, err
}
span.LogFields(log.Bool("result.found", result != nil))
return result.(*dbtype.Node), nil
}