forked from sjclijie/go-zero
/
genhandlers.go
260 lines (218 loc) · 6.52 KB
/
genhandlers.go
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package gogen
import (
"fmt"
"path"
"strings"
"github.com/sjclijie/go-zero/tools/goctl/api/spec"
"github.com/sjclijie/go-zero/tools/goctl/config"
"github.com/sjclijie/go-zero/tools/goctl/util"
"github.com/sjclijie/go-zero/tools/goctl/util/format"
"github.com/sjclijie/go-zero/tools/goctl/vars"
)
const handlerTemplate = `package handler
import (
"net/http"
{{.ImportPackages}}
)
{{ range $index, $element := .Handlers }}
{{ with $element }}
func {{.HandlerName}}(ctx *svc.ServiceContext) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
{{if .HasRequest}}var req types.{{.RequestType}}
if err := httpx.Parse(r, &req); err != nil {
httpx.Error(w, err)
return
}{{end}}
l := logic.New{{.LogicType}}(r.Context(), ctx)
{{if .HasResp}}resp, {{end}}err := l.{{.Call}}({{if .HasRequest}}req{{end}})
if err != nil {
httpx.Error(w, err)
} else {
{{if .HasResp}}httpx.OkJson(w, resp){{else}}httpx.Ok(w){{end}}
}
}
}
{{ end }}
{{ end }}
`
type Handler struct {
ImportPackages string
HandlerName string
RequestType string
LogicType string
Call string
HasResp bool
HasRequest bool
}
type RouterGroup struct {
ImportPackages string
Handlers []Handler
}
type Imports []string
func (arr Imports) Contains(s string) bool {
for _, i := range arr {
if i == s {
return true
break
}
}
return false
}
func (arr Imports) ToString() string {
return strings.Join(arr, "\r\t")
}
func genHandler(dir string, cfg *config.Config, group spec.Group, route spec.Route) error {
handler := getHandlerName(route)
if getHandlerFolderPath(group, route) != handlerDir {
handler = strings.Title(handler)
}
parentPkg, err := getParentPackage(dir)
if err != nil {
return err
}
return doGenToFile(dir, handler, cfg, group, route, Handler{
ImportPackages: strings.Join(genHandlerImports(group, route, parentPkg), "\n\t"),
HandlerName: handler,
RequestType: util.Title(route.RequestTypeName()),
LogicType: strings.Title(getLogicNameByGroup(group)),
Call: strings.Title(strings.TrimSuffix(handler, "Handler")),
HasResp: len(route.ResponseTypeName()) > 0,
HasRequest: len(route.RequestTypeName()) > 0,
})
}
func genHandlerGroup(dir string, cfg *config.Config, group spec.Group) error {
routerGroup := RouterGroup{
Handlers: make([]Handler, 0),
}
imports := Imports{}
for _, route := range group.Routes {
handler := getHandlerName(route)
if getHandlerFolderPath(group, route) != handlerDir {
handler = strings.Title(handler)
}
parentPkg, err := getParentPackage(dir)
if err != nil {
return err
}
importArr := genHandlerImports(group, route, parentPkg)
for _, importStr := range importArr {
if !imports.Contains(importStr) {
imports = append(imports, importStr)
}
}
routerGroup.Handlers = append(routerGroup.Handlers, Handler{
HandlerName: handler,
RequestType: util.Title(route.RequestTypeName()),
LogicType: strings.Title(getLogicNameByGroup(group)),
Call: strings.Title(strings.TrimSuffix(handler, "Handler")),
HasResp: len(route.ResponseTypeName()) > 0,
HasRequest: len(route.RequestTypeName()) > 0,
})
}
routerGroup.ImportPackages = strings.Join(imports, "\n\t")
return genFile(fileGenConfig{
dir: dir,
subdir: getGroupHandlerFolderPath(group),
filename: fmt.Sprintf("%s%s.go", group.GetAnnotation(groupProperty), "Handler"),
templateName: "handlerTemplate",
category: category,
templateFile: handlerTemplateFile,
builtinTemplate: handlerTemplate,
data: routerGroup,
})
}
func doGenToFile(dir, handler string, cfg *config.Config, group spec.Group,
route spec.Route, handleObj Handler) error {
filename, err := format.FileNamingFormat(cfg.NamingFormat, handler)
if err != nil {
return err
}
return genFile(fileGenConfig{
dir: dir,
subdir: getHandlerFolderPath(group, route),
filename: filename + ".go",
templateName: "handlerTemplate",
category: category,
templateFile: handlerTemplateFile,
builtinTemplate: handlerTemplate,
data: handleObj,
})
}
func genHandlers(dir string, cfg *config.Config, api *spec.ApiSpec) error {
/*
for _, group := range api.Service.Groups {
for _, route := range group.Routes {
if err := genHandler(dir, cfg, group, route); err != nil {
return err
}
}
}
*/
for _, group := range api.Service.Groups {
if err := genHandlerGroup(dir, cfg, group); err != nil {
return err
}
}
return nil
}
func genHandlerImports(group spec.Group, route spec.Route, parentPkg string) []string {
var imports []string
imports = append(imports, fmt.Sprintf("\"%s\"",
util.JoinPackages(parentPkg, getLogicFolderPath(group, route))))
imports = append(imports, fmt.Sprintf("\"%s\"", util.JoinPackages(parentPkg, contextDir)))
if len(route.RequestTypeName()) > 0 {
imports = append(imports, fmt.Sprintf("\"%s\"\n", util.JoinPackages(parentPkg, typesDir)))
}
imports = append(imports, fmt.Sprintf("\"%s/rest/httpx\"", vars.ProjectOpenSourceUrl))
return imports
}
func getHandlerBaseName(route spec.Route) (string, error) {
handler := route.Handler
handler = strings.TrimSpace(handler)
handler = strings.TrimSuffix(handler, "handler")
handler = strings.TrimSuffix(handler, "Handler")
return handler, nil
}
func getHandlerFolderPath(group spec.Group, route spec.Route) string {
folder := route.GetAnnotation(groupProperty)
if len(folder) == 0 {
folder = group.GetAnnotation(groupProperty)
if len(folder) == 0 {
return handlerDir
}
}
folder = strings.TrimPrefix(folder, "/")
folder = strings.TrimSuffix(folder, "/")
return path.Join(handlerDir, folder)
}
func getGroupHandlerFolderPath(group spec.Group) string {
folder := group.GetAnnotation(groupProperty)
if len(folder) == 0 {
return handlerDir
}
folder = strings.TrimPrefix(folder, "/")
folder = strings.TrimSuffix(folder, "/")
return path.Join(handlerDir, folder)
}
func getHandlerName(route spec.Route) string {
handler, err := getHandlerBaseName(route)
if err != nil {
panic(err)
}
return handler + "Handler"
}
func getLogicName(route spec.Route) string {
handler, err := getHandlerBaseName(route)
if err != nil {
panic(err)
}
return handler
//return handler + "Logic"
}
func getLogicNameByGroup(group spec.Group) string {
handler := group.GetAnnotation(groupProperty)
handler = strings.TrimSpace(handler)
handler = strings.TrimSuffix(handler, "handler")
handler = strings.TrimSuffix(handler, "Handler")
return handler + "Logic"
}