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

102 lines
2.7 KiB
Go

package generator
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"
"github.com/tal-tech/go-zero/tools/goctl/util/stringx"
)
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 *defaultGenerator) GenLogic(ctx DirContext, proto parser.Proto) error {
dir := ctx.GetLogic()
for _, rpc := range proto.Service.RPC {
filename := filepath.Join(dir.Filename, formatFilename(rpc.Name+"_logic")+".go")
functions, err := g.genLogicFunction(proto.PbPackage, rpc)
if err != nil {
return err
}
imports := collection.NewSet()
imports.AddStr(fmt.Sprintf(`"%v"`, ctx.GetSvc().Package))
imports.AddStr(fmt.Sprintf(`"%v"`, ctx.GetPb().Package))
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", stringx.From(rpc.Name).Title()),
"functions": functions,
"imports": strings.Join(imports.KeysStr(), util.NL),
}, filename, false)
if err != nil {
return err
}
}
return nil
}
func (g *defaultGenerator) genLogicFunction(goPackage string, rpc *parser.RPC) (string, error) {
var functions = make([]string, 0)
text, err := util.LoadTemplate(category, logicFuncTemplateFileFile, logicFunctionTemplate)
if err != nil {
return "", err
}
logicName := stringx.From(rpc.Name + "_logic").ToCamel()
comment := parser.GetComment(rpc.Doc())
buffer, err := util.With("fun").Parse(text).Execute(map[string]interface{}{
"logicName": logicName,
"method": parser.CamelCase(rpc.Name),
"request": fmt.Sprintf("*%s.%s", goPackage, parser.CamelCase(rpc.RequestType)),
"response": fmt.Sprintf("*%s.%s", goPackage, parser.CamelCase(rpc.ReturnsType)),
"responseType": fmt.Sprintf("%s.%s", goPackage, parser.CamelCase(rpc.ReturnsType)),
"hasComment": len(comment) > 0,
"comment": comment,
})
if err != nil {
return "", err
}
functions = append(functions, buffer.String())
return strings.Join(functions, util.NL), nil
}