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go-zero/tools/goctl/rpc/gen/genlogic.go

110 lines
3.0 KiB
Go

package gen
import (
"fmt"
"path/filepath"
"strings"
"github.com/tal-tech/go-zero/core/collection"
"github.com/tal-tech/go-zero/tools/goctl/rpc/parser"
"github.com/tal-tech/go-zero/tools/goctl/util"
)
const (
logicTemplate = `package logic
import (
"context"
{{.imports}}
"github.com/tal-tech/go-zero/core/logx"
)
type {{.logicName}} struct {
ctx context.Context
svcCtx *svc.ServiceContext
logx.Logger
}
func New{{.logicName}}(ctx context.Context,svcCtx *svc.ServiceContext) *{{.logicName}} {
return &{{.logicName}}{
ctx: ctx,
svcCtx: svcCtx,
Logger: logx.WithContext(ctx),
}
}
{{.functions}}
`
logicFunctionTemplate = `{{if .hasComment}}{{.comment}}{{end}}
func (l *{{.logicName}}) {{.method}} (in {{.request}}) ({{.response}}, error) {
// todo: add your logic here and delete this line
return &{{.responseType}}{}, nil
}
`
)
func (g *defaultRpcGenerator) genLogic() error {
logicPath := g.dirM[dirLogic]
protoPkg := g.ast.Package
service := g.ast.Service
for _, item := range service {
for _, method := range item.Funcs {
logicName := fmt.Sprintf("%slogic.go", method.Name.Lower())
filename := filepath.Join(logicPath, logicName)
functions, importList, err := g.genLogicFunction(protoPkg, method)
if err != nil {
return err
}
imports := collection.NewSet()
svcImport := fmt.Sprintf(`"%v"`, g.mustGetPackage(dirSvc))
imports.AddStr(svcImport)
imports.AddStr(importList...)
text, err := util.LoadTemplate(category, logicTemplateFileFile, logicTemplate)
if err != nil {
return err
}
err = util.With("logic").GoFmt(true).Parse(text).SaveTo(map[string]interface{}{
"logicName": fmt.Sprintf("%sLogic", method.Name.Title()),
"functions": functions,
"imports": strings.Join(imports.KeysStr(), util.NL),
}, filename, false)
if err != nil {
return err
}
}
}
return nil
}
func (g *defaultRpcGenerator) genLogicFunction(packageName string, method *parser.Func) (string, []string, error) {
var functions = make([]string, 0)
var imports = collection.NewSet()
if method.ParameterIn.Package == packageName || method.ParameterOut.Package == packageName {
imports.AddStr(fmt.Sprintf(`%v "%v"`, packageName, g.mustGetPackage(dirPb)))
}
imports.AddStr(g.ast.Imports[method.ParameterIn.Package])
imports.AddStr(g.ast.Imports[method.ParameterOut.Package])
text, err := util.LoadTemplate(category, logicFuncTemplateFileFile, logicFunctionTemplate)
if err != nil {
return "", nil, err
}
buffer, err := util.With("fun").Parse(text).Execute(map[string]interface{}{
"logicName": fmt.Sprintf("%sLogic", method.Name.Title()),
"method": method.Name.Title(),
"request": method.ParameterIn.StarExpression,
"response": method.ParameterOut.StarExpression,
"responseType": method.ParameterOut.Expression,
"hasComment": method.HaveDoc(),
"comment": method.GetDoc(),
})
if err != nil {
return "", nil, err
}
functions = append(functions, buffer.String())
return strings.Join(functions, util.NL), imports.KeysStr(), nil
}