feat: added modules

core/ds/postgresql.go

@@ -0,0 +1,71 @@
+package ds
+
+import (
+	"github.com/crawlab-team/crawlab/core/constants"
+	"github.com/crawlab-team/crawlab/core/interfaces"
+	"github.com/crawlab-team/crawlab/core/models/models"
+	"github.com/crawlab-team/crawlab/core/models/service"
+	"github.com/crawlab-team/crawlab/core/utils"
+	utils2 "github.com/crawlab-team/crawlab/core/utils"
+	"github.com/crawlab-team/go-trace"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+type PostgresqlService struct {
+	SqlService
+}
+
+func NewDataSourcePostgresqlService(colId primitive.ObjectID, dsId primitive.ObjectID) (svc2 interfaces.ResultService, err error) {
+	// service
+	svc := &PostgresqlService{}
+
+	// dependency injection
+	svc.modelSvc, err = service.GetService()
+	if err != nil {
+		return nil, trace.TraceError(err)
+	}
+
+	// data source
+	if dsId.IsZero() {
+		svc.ds = &models.DataSource{}
+	} else {
+		svc.ds, err = svc.modelSvc.GetDataSourceById(dsId)
+		if err != nil {
+			return nil, trace.TraceError(err)
+		}
+	}
+
+	// data source defaults
+	if svc.ds.Host == "" {
+		svc.ds.Host = constants.DefaultHost
+	}
+	if svc.ds.Port == "" {
+		svc.ds.Port = constants.DefaultPostgresqlPort
+	}
+
+	// data source password
+	pwd, err := svc.modelSvc.GetPasswordById(svc.ds.Id)
+	if err == nil {
+		svc.ds.Password, err = utils.DecryptAES(pwd.Password)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	// data collection
+	svc.dc, err = svc.modelSvc.GetDataCollectionById(colId)
+	if err != nil {
+		return nil, trace.TraceError(err)
+	}
+
+	// session
+	svc.s, err = utils2.GetPostgresqlSession(svc.ds)
+	if err != nil {
+		return nil, trace.TraceError(err)
+	}
+
+	// collection
+	svc.col = svc.s.Collection(svc.dc.Name)
+
+	return svc, nil
+}