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knife_ui.go
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knife_ui.go
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package ui
import (
"embed"
"io/fs"
"net/http"
"net/url"
"github.com/gin-gonic/gin"
)
//go:embed knife4go/webjars
//go:embed knife4go/img
//go:embed knife4go/oauth
var statics embed.FS
//go:embed knife4go/doc.html
var docHtml []byte
// AddUIHandler adds handler that serves html for Swagger UI
func AddUIHandler(ginEngine gin.IRoutes, path string, openApiJsonPath string) {
// for `v3/api-docs/swagger-config`, as springdoc
configPath, _ := url.JoinPath(path, "v3/api-docs/swagger-config")
ginEngine.GET(configPath, func(c *gin.Context) {
c.JSON(200, &SwaggerConfig{ConfigUrl: configPath, DisplayRequestDuration: true, OperationsSorter: "method", Urls: &[]SwaggerUrl{
{
Url: openApiJsonPath,
Name: "default",
},
}})
})
// init swagger-ui index.html
docIndex, _ := url.JoinPath(path, "/index.html")
ginEngine.GET(docIndex, func(c *gin.Context) {
c.Writer.WriteHeader(200)
c.Writer.Write(docHtml)
c.Writer.Header().Add("Accept", "text/html")
c.Writer.Flush()
})
// webjars
subWebjars, err := fs.Sub(statics, "knife4go/webjars")
if err != nil {
panic(err)
}
urlSubWebJars, _ := url.JoinPath(path, "webjars")
ginEngine.StaticFS(urlSubWebJars, http.FS(subWebjars))
// img
subImg, err := fs.Sub(statics, "knife4go/img")
if err != nil {
panic(err)
}
urlSubImg, _ := url.JoinPath(path, "img")
ginEngine.StaticFS(urlSubImg, http.FS(subImg))
// oauth
subOauth, err := fs.Sub(statics, "knife4go/oauth")
if err != nil {
panic(err)
}
urlSubOauth, _ := url.JoinPath(path, "oauth")
ginEngine.StaticFS(urlSubOauth, http.FS(subOauth))
}
// AddUIGroupHandler adds handler that serves html for Swagger UI
func AddUIGroupHandler(ginEngine gin.IRoutes, path string, groups ...SwaggerUrl) {
if len(groups) == 0 {
return
}
// for `v3/api-docs/swagger-config`, as springdoc
configPath, _ := url.JoinPath(path, "v3/api-docs/swagger-config")
ginEngine.GET(configPath, func(c *gin.Context) {
c.JSON(200, &SwaggerConfig{ConfigUrl: configPath, DisplayRequestDuration: true, OperationsSorter: "method", Urls: &groups})
})
// init swagger-ui index.html
docIndex, _ := url.JoinPath(path, "/index.html")
ginEngine.GET(docIndex, func(c *gin.Context) {
c.Writer.WriteHeader(200)
c.Writer.Write(docHtml)
c.Writer.Header().Add("Accept", "text/html")
c.Writer.Flush()
})
// webjars
subWebjars, err := fs.Sub(statics, "knife4go/webjars")
if err != nil {
panic(err)
}
urlSubWebJars, _ := url.JoinPath(path, "webjars")
ginEngine.StaticFS(urlSubWebJars, http.FS(subWebjars))
// img
subImg, err := fs.Sub(statics, "knife4go/img")
if err != nil {
panic(err)
}
urlSubImg, _ := url.JoinPath(path, "img")
ginEngine.StaticFS(urlSubImg, http.FS(subImg))
// oauth
subOauth, err := fs.Sub(statics, "knife4go/oauth")
if err != nil {
panic(err)
}
urlSubOauth, _ := url.JoinPath(path, "oauth")
ginEngine.StaticFS(urlSubOauth, http.FS(subOauth))
}