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gvalid_validator_check_map.go
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gvalid_validator_check_map.go
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// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
//
// This Source Code Form is subject to the terms of the MIT License.
// If a copy of the MIT was not distributed with this file,
// You can obtain one at https://github.com/gogf/gf.
package gvalid
import (
"context"
"errors"
"reflect"
"strings"
"github.com/gogf/gf/v2/errors/gcode"
"github.com/gogf/gf/v2/internal/reflection"
"github.com/gogf/gf/v2/util/gconv"
)
func (v *Validator) doCheckMap(ctx context.Context, params interface{}) Error {
if params == nil {
return nil
}
var (
checkRules = make([]fieldRule, 0)
customMessage = make(CustomMsg) // map[RuleKey]ErrorMsg.
errorMaps = make(map[string]map[string]error)
)
switch assertValue := v.rules.(type) {
// Sequence tag: []sequence tag
// Sequence has order for error results.
case []string:
for _, tag := range assertValue {
name, rule, msg := ParseTagValue(tag)
if len(name) == 0 {
continue
}
if len(msg) > 0 {
var (
msgArray = strings.Split(msg, "|")
ruleArray = strings.Split(rule, "|")
)
for k, ruleItem := range ruleArray {
// If length of custom messages is lesser than length of rules,
// the rest rules use the default error messages.
if len(msgArray) <= k {
continue
}
if len(msgArray[k]) == 0 {
continue
}
array := strings.Split(ruleItem, ":")
if _, ok := customMessage[name]; !ok {
customMessage[name] = make(map[string]string)
}
customMessage[name].(map[string]string)[strings.TrimSpace(array[0])] = strings.TrimSpace(msgArray[k])
}
}
checkRules = append(checkRules, fieldRule{
Name: name,
Rule: rule,
})
}
// No sequence rules: map[field]rule
case map[string]string:
for name, rule := range assertValue {
checkRules = append(checkRules, fieldRule{
Name: name,
Rule: rule,
})
}
}
inputParamMap := gconv.Map(params)
if inputParamMap == nil {
return newValidationErrorByStr(
internalParamsErrRuleName,
errors.New("invalid params type: convert to map failed"),
)
}
if msg, ok := v.messages.(CustomMsg); ok && len(msg) > 0 {
if len(customMessage) > 0 {
for k, v := range msg {
customMessage[k] = v
}
} else {
customMessage = msg
}
}
var (
value interface{}
validator = v.Clone()
)
// It checks the struct recursively if its attribute is an embedded struct.
// Ignore inputParamMap, assoc, rules and messages from parent.
validator.assoc = nil
validator.rules = nil
validator.messages = nil
for _, item := range inputParamMap {
originTypeAndKind := reflection.OriginTypeAndKind(item)
switch originTypeAndKind.OriginKind {
case reflect.Map, reflect.Struct, reflect.Slice, reflect.Array:
v.doCheckValueRecursively(ctx, doCheckValueRecursivelyInput{
Value: item,
Type: originTypeAndKind.InputType,
Kind: originTypeAndKind.OriginKind,
ErrorMaps: errorMaps,
})
}
// Bail feature.
if v.bail && len(errorMaps) > 0 {
break
}
}
if v.bail && len(errorMaps) > 0 {
return newValidationError(gcode.CodeValidationFailed, nil, errorMaps)
}
// The following logic is the same as some of CheckStruct but without sequence support.
for _, checkRuleItem := range checkRules {
if len(checkRuleItem.Rule) == 0 {
continue
}
value = nil
if valueItem, ok := inputParamMap[checkRuleItem.Name]; ok {
value = valueItem
}
// It checks each rule and its value in loop.
if validatedError := v.doCheckValue(ctx, doCheckValueInput{
Name: checkRuleItem.Name,
Value: value,
ValueType: reflect.TypeOf(value),
Rule: checkRuleItem.Rule,
Messages: customMessage[checkRuleItem.Name],
DataRaw: params,
DataMap: inputParamMap,
}); validatedError != nil {
_, errorItem := validatedError.FirstItem()
// ===========================================================
// Only in map and struct validations:
// If value is nil or empty string and has no required* rules,
// it clears the error message.
// ===========================================================
if gconv.String(value) == "" {
required := false
// rule => error
for ruleKey := range errorItem {
if required = v.checkRuleRequired(ruleKey); required {
break
}
}
if !required {
continue
}
}
if _, ok := errorMaps[checkRuleItem.Name]; !ok {
errorMaps[checkRuleItem.Name] = make(map[string]error)
}
for ruleKey, ruleError := range errorItem {
errorMaps[checkRuleItem.Name][ruleKey] = ruleError
}
if v.bail {
break
}
}
}
if len(errorMaps) > 0 {
return newValidationError(gcode.CodeValidationFailed, checkRules, errorMaps)
}
return nil
}