generated from cloudwego/.github
/
bulk.go
130 lines (121 loc) · 3.62 KB
/
bulk.go
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/*
* Copyright 2024 CloudWeGo 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 codegen
import (
"github.com/cloudwego/cwgo/pkg/curd/code"
"github.com/cloudwego/cwgo/pkg/curd/parse"
)
func bulkCodegen(bulk *parse.BulkParse) []code.Statement {
return []code.Statement{
code.DeclVarStmt{
Name: "models",
Type: code.SliceType{
ElementType: code.SelectorExprType{
X: "mongo",
Sel: "WriteModel",
},
},
},
bulkOperationsCodegen(bulk),
code.ReturnStmt{
ListCommaStmt: code.ListCommaStmt{
code.CallStmt{
Caller: code.RawStmt("r.collection"),
CallName: "BulkWrite",
Args: code.ListCommaStmt{
code.RawStmt(bulk.CtxParamName),
code.RawStmt("models"),
},
},
},
},
}
}
func bulkOperationsCodegen(bulk *parse.BulkParse) code.SliceAppendsStmt {
operations := make([]code.SliceAppendStmt, 0, 10)
for _, operation := range bulk.Operations {
if operation.GetOperationName() == parse.Insert {
operations = append(operations, bulkInsertCodegen(operation.(*parse.InsertParse)))
}
if operation.GetOperationName() == parse.Update {
operations = append(operations, bulkUpdateCodegen(operation.(*parse.UpdateParse)))
}
if operation.GetOperationName() == parse.Delete {
operations = append(operations, bulkDeleteCodegen(operation.(*parse.DeleteParse)))
}
}
return operations
}
func bulkInsertCodegen(insert *parse.InsertParse) code.SliceAppendStmt {
return code.SliceAppendStmt{
SliceName: "models",
AppendData: code.CallStmt{
Caller: code.RawStmt("mongo.NewInsertOneModel()"),
CallName: "SetDocument",
Args: code.ListCommaStmt{
code.RawStmt(insert.MethodParamNames[0]),
},
},
}
}
func bulkUpdateCodegen(update *parse.UpdateParse) code.SliceAppendStmt {
if update.OperateMode == parse.OperateOne {
return getBulkUpdateCode(update, "mongo.NewUpdateOneModel().SetFilter")
} else {
return getBulkUpdateCode(update, "mongo.NewUpdateManyModel().SetFilter")
}
}
func bulkDeleteCodegen(delete *parse.DeleteParse) code.SliceAppendStmt {
if delete.OperateMode == parse.OperateOne {
return getBulkDeleteCode(delete, "mongo.NewDeleteOneModel().SetFilter")
} else {
return getBulkDeleteCode(delete, "mongo.NewDeleteManyModel().SetFilter")
}
}
func getBulkUpdateCode(update *parse.UpdateParse, callName string) code.SliceAppendStmt {
chainCall := make(code.ChainStmt, 0, 5)
return code.SliceAppendStmt{
SliceName: "models",
AppendData: chainCall.ChainCall(code.Chain{
CallName: callName,
Args: code.ListCommaStmt{
queryCodegen(update.Query),
},
}).ChainCall(code.Chain{
CallName: "SetUpdate",
Args: code.ListCommaStmt{
updateFieldsCodegen(update),
},
}).ChainCall(code.Chain{
CallName: "SetUpsert",
Args: code.ListCommaStmt{
upsertCodegen(update.Upsert),
},
}),
}
}
func getBulkDeleteCode(delete *parse.DeleteParse, callName string) code.SliceAppendStmt {
chainCall := make(code.ChainStmt, 0, 5)
return code.SliceAppendStmt{
SliceName: "models",
AppendData: chainCall.ChainCall(code.Chain{
CallName: callName,
Args: code.ListCommaStmt{
queryCodegen(delete.Query),
},
}),
}
}