github.com/ecodeclub/eorm@v0.0.2-0.20231001112437-dae71da914d0/middleware/querylog/querylog.go (about)

     1  // Copyright 2021 ecodeclub
     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 querylog
    16  
    17  import (
    18  	"context"
    19  	"log"
    20  
    21  	"github.com/ecodeclub/eorm"
    22  )
    23  
    24  type MiddlewareBuilder struct {
    25  	logFunc func(sql string, args ...any)
    26  }
    27  
    28  func NewBuilder() *MiddlewareBuilder {
    29  	return &MiddlewareBuilder{
    30  		logFunc: func(sql string, args ...any) {
    31  			log.Println(sql, args)
    32  		},
    33  	}
    34  
    35  }
    36  
    37  func (b *MiddlewareBuilder) LogFunc(logFunc func(sql string, args ...any)) *MiddlewareBuilder {
    38  	b.logFunc = logFunc
    39  	return b
    40  }
    41  
    42  func (b *MiddlewareBuilder) Build() eorm.Middleware {
    43  	return func(next eorm.HandleFunc) eorm.HandleFunc {
    44  		return func(ctx context.Context, queryContext *eorm.QueryContext) *eorm.QueryResult {
    45  			query := queryContext.GetQuery()
    46  			b.logFunc(query.SQL, query.Args...)
    47  			return next(ctx, queryContext)
    48  		}
    49  	}
    50  }