64 lines
1.3 KiB
Go
64 lines
1.3 KiB
Go
package main
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import (
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"bytes"
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"fmt"
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"text/template"
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"google.golang.org/protobuf/compiler/protogen"
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)
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const ModelTpl = `const TableName{{.ModelName}} = "{{.TableName}}"
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func (t *{{.ModelName}}) TableName() string {
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return "{{.TableName}}"
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}
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{{range $structs := .DbFields}}
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func (m *{{$.ModelName}}) Get{{$structs.FieldName}}Field() string {
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return "{{$structs.BsonField}}"
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}
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{{end}}
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`
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type DbField struct {
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FieldName string
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BsonField string
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}
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type model struct {
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ModelName string
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TableName string
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PackageName string
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DbFields []*DbField
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}
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func GenerateModel(message *protogen.Message, packageName string) (string, error) {
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var name = message.GoIdent.GoName
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var entry = &model{
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ModelName: name,
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TableName: GetCommentTableName(message),
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PackageName: packageName,
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}
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for _, field := range message.Fields {
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var dbField = &DbField{
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FieldName: field.GoName,
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BsonField: GetCommentBsonName(field),
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}
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entry.DbFields = append(entry.DbFields, dbField)
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}
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tpl, err := template.New("model_tpl").Parse(ModelTpl)
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if err != nil {
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return "", fmt.Errorf("parse %s template failed: %v", name, err)
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}
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tpl.DefinedTemplates()
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var buf bytes.Buffer
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if err = tpl.Execute(&buf, entry); err != nil {
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return "", fmt.Errorf("execute %s template failed: %v", name, err)
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}
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return buf.String(), nil
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}
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