dewrich commented on a change in pull request #2124: Add TO Go GET
deliveryservices routes
URL:
https://github.com/apache/incubator-trafficcontrol/pull/2124#discussion_r181099605
##########
File path:
traffic_ops/traffic_ops_golang/deliveryservice/deliveryservicesv13.go
##########
@@ -0,0 +1,272 @@
+package deliveryservice
+
+import (
+ "errors"
+ "fmt"
+
+ "github.com/apache/incubator-trafficcontrol/lib/go-log"
+ "github.com/apache/incubator-trafficcontrol/lib/go-tc"
+
"github.com/apache/incubator-trafficcontrol/traffic_ops/traffic_ops_golang/api"
+
"github.com/apache/incubator-trafficcontrol/traffic_ops/traffic_ops_golang/auth"
+
"github.com/apache/incubator-trafficcontrol/traffic_ops/traffic_ops_golang/dbhelpers"
+
"github.com/apache/incubator-trafficcontrol/traffic_ops/traffic_ops_golang/tenant"
+
+ "github.com/jmoiron/sqlx"
+ "github.com/lib/pq"
+)
+
+//we need a type alias to define functions on
+type TODeliveryServiceV13 tc.DeliveryServiceNullableV13
+
+//the refType is passed into the handlers where a copy of its type is used to
decode the json.
+var refTypeV13 = TODeliveryServiceV13{}
+
+func GetRefTypeV13() *TODeliveryServiceV13 {
+ return &refTypeV13
+}
+
+func (ds TODeliveryServiceV13) GetKeyFieldsInfo() []api.KeyFieldInfo {
+ return
TODeliveryServiceV12(ds.DeliveryServiceNullableV12).GetKeyFieldsInfo()
+}
+
+//Implementation of the Identifier, Validator interface functions
+func (ds TODeliveryServiceV13) GetKeys() (map[string]interface{}, bool) {
+ v12 := TODeliveryServiceV12(ds.DeliveryServiceNullableV12)
+ return v12.GetKeys()
+}
+
+func (ds *TODeliveryServiceV13) SetKeys(keys map[string]interface{}) {
+ v12 := TODeliveryServiceV12(ds.DeliveryServiceNullableV12)
+ v12.SetKeys(keys)
+}
+
+func (ds *TODeliveryServiceV13) GetAuditName() string {
+ v12 := TODeliveryServiceV12(ds.DeliveryServiceNullableV12)
+ return v12.GetAuditName()
+}
+
+func (ds *TODeliveryServiceV13) GetType() string {
+ v12 := TODeliveryServiceV12(ds.DeliveryServiceNullableV12)
+ return v12.GetType()
+}
+
+func ValidateV13(db *sqlx.DB, ds *tc.DeliveryServiceNullableV13) []error {
+ if ds == nil {
+ return []error{}
+ }
+ tods := TODeliveryServiceV13(*ds)
+ return tods.Validate(db)
+}
+
+func (ds *TODeliveryServiceV13) Validate(db *sqlx.DB) []error {
+ v12 := TODeliveryServiceV12(ds.DeliveryServiceNullableV12)
+ return v12.Validate(db)
+}
+
+// Create implements the Creator interface.
+//all implementations of Creator should use transactions and return the proper
errorType
+//ParsePQUniqueConstraintError is used to determine if a ds with conflicting
values exists
+//if so, it will return an errorType of DataConflict and the type should be
appended to the
+//generic error message returned
+//The insert sql returns the id and lastUpdated values of the newly inserted
ds and have
+//to be added to the struct
+func (ds *TODeliveryServiceV13) Create(db *sqlx.DB, user auth.CurrentUser)
(error, tc.ApiErrorType) {
+ tx, err := db.Beginx()
+ defer func() {
+ if tx == nil {
+ return
+ }
+ if err != nil {
+ tx.Rollback()
+ return
+ }
+ tx.Commit()
+ }()
+
+ if err != nil {
+ log.Error.Printf("could not begin transaction: %v", err)
+ return tc.DBError, tc.SystemError
+ }
+ fmt.Printf("ds ---> %v\n", ds)
+ resultRows, err := tx.NamedQuery(insertDSQuery(), ds)
+ if err != nil {
+ if pqerr, ok := err.(*pq.Error); ok {
+ err, eType :=
dbhelpers.ParsePQUniqueConstraintError(pqerr)
+ return errors.New("a delivery service with " +
err.Error()), eType
+ }
+ log.Errorf("received non pq error: %++v from create execution",
err)
+ return tc.DBError, tc.SystemError
+ }
+ var id int
+ var lastUpdated tc.TimeNoMod
+ rowsAffected := 0
+ for resultRows.Next() {
+ rowsAffected++
+ if err := resultRows.Scan(&id, &lastUpdated); err != nil {
+ log.Error.Printf("could not scan id from insert: %s\n",
err)
+ return tc.DBError, tc.SystemError
+ }
+ }
+ if rowsAffected == 0 {
+ err = errors.New("no delivery service was inserted, no id was
returned")
+ log.Errorln(err)
+ return tc.DBError, tc.SystemError
+ } else if rowsAffected > 1 {
+ err = errors.New("too many ids returned from delivery service
insert")
+ log.Errorln(err)
+ return tc.DBError, tc.SystemError
+ }
+ ds.SetKeys(map[string]interface{}{"id": id})
+ ds.LastUpdated = &lastUpdated
+ return nil, tc.NoError
+}
+
+func (ds *TODeliveryServiceV13) Read(db *sqlx.DB, params map[string]string,
user auth.CurrentUser) ([]interface{}, []error, tc.ApiErrorType) {
+ returnable := []interface{}{}
+ dses, errs, errType := readGetDeliveryServices(params, db,
user.PrivLevel)
+ if len(errs) > 0 {
+ for _, err := range errs {
+ if err.Error() == `id cannot parse to integer` {
+ return nil, []error{errors.New("Resource not
found.")}, tc.DataMissingError //matches perl response
+ }
+ }
+ return nil, errs, errType
+ }
+
+ for _, ds := range dses {
+ returnable = append(returnable, ds)
+ }
+ log.Debugln("TODeliveryServiceV13.Read returning")
+ return returnable, nil, tc.NoError
+}
+
+//The TODeliveryService implementation of the Updater interface
+//all implementations of Updater should use transactions and return the proper
errorType
+//ParsePQUniqueConstraintError is used to determine if a delivery service with
conflicting values exists
+//if so, it will return an errorType of DataConflict and the type should be
appended to the
+//generic error message returned
+func (ds *TODeliveryServiceV13) Update(db *sqlx.DB, user auth.CurrentUser)
(error, tc.ApiErrorType) {
+ tx, err := db.Beginx()
+ defer func() {
+ if tx == nil {
+ return
+ }
+ if err != nil {
+ tx.Rollback()
+ return
+ }
+ tx.Commit()
+ }()
+
+ if err != nil {
+ log.Error.Printf("could not begin transaction: %v", err)
+ return tc.DBError, tc.SystemError
+ }
+ log.Debugf("about to run exec query: %s with ds: %++v",
updateDSQuery(), ds)
+ resultRows, err := tx.NamedQuery(updateDSQuery(), ds)
+ if err != nil {
+ if err, ok := err.(*pq.Error); ok {
+ err, eType :=
dbhelpers.ParsePQUniqueConstraintError(err)
+ if eType == tc.DataConflictError {
+ return errors.New("a delivery service with " +
err.Error()), eType
+ }
+ return err, eType
+ }
+ log.Errorf("received error: %++v from update execution", err)
+ return tc.DBError, tc.SystemError
+ }
+ var lastUpdated tc.TimeNoMod
+ rowsAffected := 0
+ for resultRows.Next() {
+ rowsAffected++
+ if err := resultRows.Scan(&lastUpdated); err != nil {
+ log.Error.Printf("could not scan lastUpdated from
insert: %s\n", err)
+ return tc.DBError, tc.SystemError
+ }
+ }
+ log.Debugf("lastUpdated: %++v", lastUpdated)
+ ds.LastUpdated = &lastUpdated
+ if rowsAffected != 1 {
+ if rowsAffected < 1 {
+ return errors.New("no delivery service found with this
id"), tc.DataMissingError
+ }
+ return fmt.Errorf("this update affected too many rows: %d",
rowsAffected), tc.SystemError
+ }
+ return nil, tc.NoError
+}
+
+//The DeliveryService implementation of the Deleter interface
+//all implementations of Deleter should use transactions and return the proper
errorType
+func (ds *TODeliveryServiceV13) Delete(db *sqlx.DB, user auth.CurrentUser)
(error, tc.ApiErrorType) {
+ tx, err := db.Beginx()
+ defer func() {
+ if tx == nil {
+ return
+ }
+ if err != nil {
+ tx.Rollback()
+ return
+ }
+ tx.Commit()
+ }()
+
+ if err != nil {
+ log.Error.Printf("could not begin transaction: %v", err)
+ return tc.DBError, tc.SystemError
+ }
+ log.Debugf("about to run exec query: %s with Delivery Service: %++v",
deleteDSQuery(), ds)
+ result, err := tx.NamedExec(deleteDSQuery(), ds)
+ if err != nil {
+ log.Errorf("received error: %++v from delete execution", err)
+ return tc.DBError, tc.SystemError
+ }
+ rowsAffected, err := result.RowsAffected()
+ if err != nil {
+ return tc.DBError, tc.SystemError
+ }
+ if rowsAffected != 1 {
+ if rowsAffected < 1 {
+ return errors.New("no delivery service with that id
found"), tc.DataMissingError
+ }
+ return fmt.Errorf("this create affected too many rows: %d",
rowsAffected), tc.SystemError
+ }
+ return nil, tc.NoError
+}
+
+// IsTenantAuthorized implements the Tenantable interface to ensure the user
is authorized on the deliveryservice tenant
+func (ds *TODeliveryServiceV13) IsTenantAuthorized(user auth.CurrentUser, db
*sqlx.DB) (bool, error) {
+ if ds.TenantID == nil {
+ log.Debugf("tenantID is nil")
+ return false, errors.New("tenantID is nil")
+ }
+ return tenant.IsResourceAuthorizedToUser(*ds.TenantID, user, db)
+}
+
+//TODO: drichardson - plumb these out!
Review comment:
remove these TODO's
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