[GitHub] alficles commented on a change in pull request #1950: Added CRUD for /parameters

2018-03-02 Thread GitBox
alficles commented on a change in pull request #1950: Added CRUD for /parameters
URL: 
https://github.com/apache/incubator-trafficcontrol/pull/1950#discussion_r171953955
 
 

 ##
 File path: traffic_ops/traffic_ops_golang/parameter/parameters.go
 ##
 @@ -0,0 +1,354 @@
+package parameter
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import (
+   "errors"
+   "fmt"
+   "strconv"
+
+   "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/jmoiron/sqlx"
+   "github.com/lib/pq"
+)
+
+//we need a type alias to define functions on
+type TOParameter tc.ParameterNullable
+
+//the refType is passed into the handlers where a copy of its type is used to 
decode the json.
+var refType = TOParameter(tc.ParameterNullable{})
+
+func GetRefType() *TOParameter {
+   return 
+}
+
+//Implementation of the Identifier, Validator interface functions
+func (parameter *TOParameter) GetID() (int, bool) {
+   if parameter.ID == nil {
+   return 0, false
+   }
+   return *parameter.ID, true
+}
+
+func (parameter *TOParameter) GetAuditName() string {
+   if parameter.Name != nil {
+   return *parameter.Name
+   }
+   if parameter.ID != nil {
+   return strconv.Itoa(*parameter.ID)
+   }
+   return "unknown"
+}
+
+func (parameter *TOParameter) GetType() string {
+   return "parameter"
+}
+
+func (parameter *TOParameter) SetID(i int) {
+   parameter.ID = 
+}
+
+func (pl *TOParameter) Validate(db *sqlx.DB) []error {
+   errs := []error{}
 
 Review comment:
   `errs := []error(nil)` would be my preferred answer. It's not meaningfully 
longer and it avoids an allocation with effectively no work. Still... the code 
as it exists is fine. It's mostly a note for future work.


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[GitHub] alficles commented on a change in pull request #1950: Added CRUD for /parameters

2018-03-02 Thread GitBox
alficles commented on a change in pull request #1950: Added CRUD for /parameters
URL: 
https://github.com/apache/incubator-trafficcontrol/pull/1950#discussion_r171944478
 
 

 ##
 File path: traffic_ops/traffic_ops_golang/parameter/parameters.go
 ##
 @@ -0,0 +1,354 @@
+package parameter
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import (
+   "errors"
+   "fmt"
+   "strconv"
+
+   "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/jmoiron/sqlx"
+   "github.com/lib/pq"
+)
+
+//we need a type alias to define functions on
+type TOParameter tc.ParameterNullable
+
+//the refType is passed into the handlers where a copy of its type is used to 
decode the json.
+var refType = TOParameter(tc.ParameterNullable{})
+
+func GetRefType() *TOParameter {
+   return 
+}
+
+//Implementation of the Identifier, Validator interface functions
+func (parameter *TOParameter) GetID() (int, bool) {
+   if parameter.ID == nil {
+   return 0, false
+   }
+   return *parameter.ID, true
+}
+
+func (parameter *TOParameter) GetAuditName() string {
+   if parameter.Name != nil {
+   return *parameter.Name
+   }
+   if parameter.ID != nil {
+   return strconv.Itoa(*parameter.ID)
+   }
+   return "unknown"
+}
+
+func (parameter *TOParameter) GetType() string {
+   return "parameter"
+}
+
+func (parameter *TOParameter) SetID(i int) {
+   parameter.ID = 
+}
+
+func (pl *TOParameter) Validate(db *sqlx.DB) []error {
+   errs := []error{}
 
 Review comment:
   Do you intend to be allocating an empty array here? You can almost always 
save the allocation with `var errs []error`, so that in the typical case, that 
of no errors, it doesn't do any allocation?
   
   It's small and mostly pointless as an optimization in this particular code, 
but it's a good practice to be in. Also, this annoys some of the linters.


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[GitHub] alficles commented on a change in pull request #1950: Added CRUD for /parameters

2018-03-02 Thread GitBox
alficles commented on a change in pull request #1950: Added CRUD for /parameters
URL: 
https://github.com/apache/incubator-trafficcontrol/pull/1950#discussion_r171947162
 
 

 ##
 File path: traffic_ops/traffic_ops_golang/systeminfo/system_info.go
 ##
 @@ -87,15 +88,18 @@ WHERE p.config_file='global'`
 
info := make(map[string]string)
for rows.Next() {
-   p := tc.Parameter{}
+   p := tc.ParameterNullable{}
if err = rows.StructScan(); err != nil {
return nil, fmt.Errorf("getting system_info: %v", err)
}
-   if p.Secure && privLevel < auth.PrivLevelAdmin {
+   isSecure := *p.Secure
 
 Review comment:
   This will panic if p.Secure is null, which it will be if it's missing.


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[GitHub] alficles commented on a change in pull request #1950: Added CRUD for /parameters

2018-03-02 Thread GitBox
alficles commented on a change in pull request #1950: Added CRUD for /parameters
URL: 
https://github.com/apache/incubator-trafficcontrol/pull/1950#discussion_r171942670
 
 

 ##
 File path: lib/go-tc/regions.go
 ##
 @@ -19,10 +19,12 @@ package tc
  * under the License.
  */
 
+// RegionsResponse ...
 
 Review comment:
   These comments should generally be removed, I think. They suppress the 
linter but don't address its concern.


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[GitHub] alficles commented on a change in pull request #1950: Added CRUD for /parameters

2018-03-02 Thread GitBox
alficles commented on a change in pull request #1950: Added CRUD for /parameters
URL: 
https://github.com/apache/incubator-trafficcontrol/pull/1950#discussion_r171947506
 
 

 ##
 File path: traffic_ops/traffic_ops_golang/systeminfo/system_info.go
 ##
 @@ -87,15 +88,18 @@ WHERE p.config_file='global'`
 
info := make(map[string]string)
for rows.Next() {
-   p := tc.Parameter{}
+   p := tc.ParameterNullable{}
if err = rows.StructScan(); err != nil {
return nil, fmt.Errorf("getting system_info: %v", err)
}
-   if p.Secure && privLevel < auth.PrivLevelAdmin {
+   isSecure := *p.Secure
+   name := p.Name
+   value := p.Value
+   if isSecure && privLevel < auth.PrivLevelAdmin {
// Secure params only visible to admin
continue
}
-   info[p.Name] = p.Value
+   info[*name] = *value
 
 Review comment:
   This will panic if name or value are null, but they haven't been checked 
anywhere.


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