Files
kubesphere/pkg/server/params/params.go
hongming 85b61dce7c copyright license update
Signed-off-by: hongming <talonwan@yunify.com>
2020-05-25 14:51:24 +08:00

99 lines
2.5 KiB
Go

/*
Copyright 2019 The KubeSphere Authors.
Licensed 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.
*/
package params
import (
"fmt"
"github.com/emicklei/go-restful"
"regexp"
"strconv"
"strings"
)
const (
PagingParam = "paging"
OrderByParam = "orderBy"
ConditionsParam = "conditions"
ReverseParam = "reverse"
)
func ParsePaging(req *restful.Request) (limit, offset int) {
paging := req.QueryParameter(PagingParam)
limit = 10
offset = 0
if groups := regexp.MustCompile(`^limit=(-?\d+),page=(\d+)$`).FindStringSubmatch(paging); len(groups) == 3 {
limit, _ = strconv.Atoi(groups[1])
page, _ := strconv.Atoi(groups[2])
offset = (page - 1) * limit
}
return
}
func ParseConditions(req *restful.Request) (*Conditions, error) {
conditionsStr := req.QueryParameter(ConditionsParam)
conditions := &Conditions{Match: make(map[string]string, 0), Fuzzy: make(map[string]string, 0)}
if conditionsStr == "" {
return conditions, nil
}
// ?conditions=key1=value1,key2~value2,key3=
for _, item := range strings.Split(conditionsStr, ",") {
// exact query: key=value, if value is empty means label value must be ""
// fuzzy query: key~value, if value is empty means label value is "" or label key not exist
if groups := regexp.MustCompile(`(\S+)([=~])(\S+)?`).FindStringSubmatch(item); len(groups) >= 3 {
value := ""
if len(groups) > 3 {
value = groups[3]
}
if groups[2] == "=" {
conditions.Match[groups[1]] = value
} else {
conditions.Fuzzy[groups[1]] = value
}
} else {
return nil, fmt.Errorf("invalid conditions")
}
}
return conditions, nil
}
type Conditions struct {
Match map[string]string
Fuzzy map[string]string
}
func GetBoolValueWithDefault(req *restful.Request, name string, dv bool) bool {
reverse := req.QueryParameter(name)
if v, err := strconv.ParseBool(reverse); err == nil {
return v
}
return dv
}
func GetStringValueWithDefault(req *restful.Request, name string, dv string) string {
v := req.QueryParameter(name)
if v == "" {
v = dv
}
return v
}