github.com/sacloud/iaas-api-go@v1.12.0/search/equal_expression.go (about)

     1  // Copyright 2022-2023 The sacloud/iaas-api-go Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package search
    16  
    17  import (
    18  	"encoding/json"
    19  	"fmt"
    20  	"strings"
    21  	"time"
    22  )
    23  
    24  // EqualExpression Equalで比較する際の条件
    25  type EqualExpression struct {
    26  	Op         LogicalOperator
    27  	Conditions []interface{}
    28  }
    29  
    30  // PartialMatch 部分一致(Partial Match)かつAND条件を示すEqualFilterを作成
    31  //
    32  // AndEqualのエイリアス
    33  func PartialMatch(conditions ...string) *EqualExpression {
    34  	return AndEqual(conditions...)
    35  }
    36  
    37  // ExactMatch 完全一致(Partial Match)かつOR条件を示すEqualFilterを作成
    38  //
    39  // OrEqualのエイリアス
    40  func ExactMatch(conditions ...string) *EqualExpression {
    41  	var values []interface{}
    42  	for _, p := range conditions {
    43  		values = append(values, p)
    44  	}
    45  	return OrEqual(values...)
    46  }
    47  
    48  // AndEqual 部分一致(Partial Match)かつAND条件を示すEqualFilterを作成
    49  func AndEqual(conditions ...string) *EqualExpression {
    50  	var values []interface{}
    51  	for _, p := range conditions {
    52  		values = append(values, p)
    53  	}
    54  
    55  	return &EqualExpression{
    56  		Op:         OpAnd,
    57  		Conditions: values,
    58  	}
    59  }
    60  
    61  // OrEqual 完全一致(Exact Match)かつOR条件を示すEqualFilterを作成
    62  func OrEqual(conditions ...interface{}) *EqualExpression {
    63  	return &EqualExpression{
    64  		Op:         OpOr,
    65  		Conditions: conditions,
    66  	}
    67  }
    68  
    69  // TagsAndEqual タグのAND検索
    70  func TagsAndEqual(tags ...string) *EqualExpression {
    71  	return OrEqual(tags) // 配列のまま渡す
    72  }
    73  
    74  // MarshalJSON .
    75  func (eq *EqualExpression) MarshalJSON() ([]byte, error) {
    76  	var conditions []interface{}
    77  	for _, cond := range eq.Conditions {
    78  		var c interface{}
    79  		switch v := cond.(type) {
    80  		case time.Time:
    81  			c = v.Format(time.RFC3339)
    82  		case string:
    83  			c = escapeFilterString(v)
    84  		case int, int8, int16, int32, int64,
    85  			uint, uint8, uint16, uint32, uint64,
    86  			float32, float64:
    87  			c = fmt.Sprintf("%v", v)
    88  		default:
    89  			c = v
    90  		}
    91  		if c != nil {
    92  			conditions = append(conditions, c)
    93  		}
    94  	}
    95  
    96  	var value interface{}
    97  	switch eq.Op {
    98  	case OpOr:
    99  		value = conditions
   100  	case OpAnd:
   101  		var strConds []string
   102  		for _, c := range conditions {
   103  			strConds = append(strConds, c.(string)) // Note: OpAndで文字列以外の要素が指定された場合のことは考慮しない
   104  		}
   105  		value = strings.Join(strConds, "%20")
   106  	default:
   107  		return nil, fmt.Errorf("invalid search.LogicalOperator: %v", eq.Op)
   108  	}
   109  
   110  	return json.Marshal(value)
   111  }