petstore-server.gen.go

// Package api provides primitives to interact with the openapi HTTP API.
//
// Code generated by github.com/deepmap/oapi-codegen version (devel) DO NOT EDIT.
package api

import (
	"bytes"
	"compress/gzip"
	"encoding/base64"
	"fmt"
	"net/http"
	"net/url"
	"path"
	"strings"

	"github.com/deepmap/oapi-codegen/pkg/runtime"
	"github.com/getkin/kin-openapi/openapi3"
	"github.com/gin-gonic/gin"
)

// ServerInterface represents all server handlers.
type ServerInterface interface {
	// Returns all pets
	// (GET /pets)
	FindPets(c *gin.Context, params FindPetsParams)
	// Creates a new pet
	// (POST /pets)
	AddPet(c *gin.Context)
	// Deletes a pet by ID
	// (DELETE /pets/{id})
	DeletePet(c *gin.Context, id int64)
	// Returns a pet by ID
	// (GET /pets/{id})
	FindPetByID(c *gin.Context, id int64)
}

// ServerInterfaceWrapper converts contexts to parameters.
type ServerInterfaceWrapper struct {
	Handler            ServerInterface
	HandlerMiddlewares []MiddlewareFunc
}

type MiddlewareFunc func(c *gin.Context)

// FindPets operation middleware
func (siw *ServerInterfaceWrapper) FindPets(c *gin.Context) {

	var err error

	// Parameter object where we will unmarshal all parameters from the context
	var params FindPetsParams

	// ------------- Optional query parameter "tags" -------------

	err = runtime.BindQueryParameter("form", true, false, "tags", c.Request.URL.Query(), &params.Tags)
	if err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"msg": fmt.Sprintf("Invalid format for parameter tags: %s", err)})
		return
	}

	// ------------- Optional query parameter "limit" -------------

	err = runtime.BindQueryParameter("form", true, false, "limit", c.Request.URL.Query(), &params.Limit)
	if err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"msg": fmt.Sprintf("Invalid format for parameter limit: %s", err)})
		return
	}

	for _, middleware := range siw.HandlerMiddlewares {
		middleware(c)
	}

	siw.Handler.FindPets(c, params)
}

// AddPet operation middleware
func (siw *ServerInterfaceWrapper) AddPet(c *gin.Context) {

	for _, middleware := range siw.HandlerMiddlewares {
		middleware(c)
	}

	siw.Handler.AddPet(c)
}

// DeletePet operation middleware
func (siw *ServerInterfaceWrapper) DeletePet(c *gin.Context) {

	var err error

	// ------------- Path parameter "id" -------------
	var id int64

	err = runtime.BindStyledParameter("simple", false, "id", c.Param("id"), &id)
	if err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"msg": fmt.Sprintf("Invalid format for parameter id: %s", err)})
		return
	}

	for _, middleware := range siw.HandlerMiddlewares {
		middleware(c)
	}

	siw.Handler.DeletePet(c, id)
}

// FindPetByID operation middleware
func (siw *ServerInterfaceWrapper) FindPetByID(c *gin.Context) {

	var err error

	// ------------- Path parameter "id" -------------
	var id int64

	err = runtime.BindStyledParameter("simple", false, "id", c.Param("id"), &id)
	if err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"msg": fmt.Sprintf("Invalid format for parameter id: %s", err)})
		return
	}

	for _, middleware := range siw.HandlerMiddlewares {
		middleware(c)
	}

	siw.Handler.FindPetByID(c, id)
}

// GinServerOptions provides options for the Gin server.
type GinServerOptions struct {
	BaseURL     string
	Middlewares []MiddlewareFunc
}

// RegisterHandlers creates http.Handler with routing matching OpenAPI spec.
func RegisterHandlers(router *gin.Engine, si ServerInterface) *gin.Engine {
	return RegisterHandlersWithOptions(router, si, GinServerOptions{})
}

// RegisterHandlersWithOptions creates http.Handler with additional options
func RegisterHandlersWithOptions(router *gin.Engine, si ServerInterface, options GinServerOptions) *gin.Engine {
	wrapper := ServerInterfaceWrapper{
		Handler:            si,
		HandlerMiddlewares: options.Middlewares,
	}

	router.GET(options.BaseURL+"/pets", wrapper.FindPets)

	router.POST(options.BaseURL+"/pets", wrapper.AddPet)

	router.DELETE(options.BaseURL+"/pets/:id", wrapper.DeletePet)

	router.GET(options.BaseURL+"/pets/:id", wrapper.FindPetByID)

	return router
}

// Base64 encoded, gzipped, json marshaled Swagger object
var swaggerSpec = []string{

	"H4sIAAAAAAAC/+RXW48budH9KwV+32OnNbEXedBTvB4vICBrT+LdvKznoYZdkmrBSw9Z1FgY6L8HRbZu",
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	"od7rzDImj2LmhoO8fWM6I9uR2l9aUTK7znjKGVfffND+9iE0S+KwMrtdZxI9Fk40mPkvZtpwv/x+15mP",
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	"Q5aEQrAklJIoA4dKwaeRgj7pbX8DeSTLS7ZYt+qMY0sh09Eb5t2Idk3wpr85g5zns9nT01OP9XYf02o2",
	"xebZnxbvP3z8/OF3b/qbfi3eVcNQ8vnT8jOlDVu6lvesLpmpGCzulLO7KU3TmQ2l3Ej5fX/T3+iT40gB",
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	"ew93CSlTEIVJgf0RQEkBYRNdkREFNhQooAJu5OqHx5L0GYtwfPKS0sT6Ei07zmeb1B30ozvqayHHAR2p",
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	"QYyqwhYWtwrv9ReKc8UOOi5uv3X8fL+t9/5+vZYkdv1vk+t/toxfKNrUr0sobfYynb3H71/J+5MXW307",
	"3d3v/hYAAP//wO3O5VcSAAA=",
}

// GetSwagger returns the content of the embedded swagger specification file
// or error if failed to decode
func decodeSpec() ([]byte, error) {
	zipped, err := base64.StdEncoding.DecodeString(strings.Join(swaggerSpec, ""))
	if err != nil {
		return nil, fmt.Errorf("error base64 decoding spec: %s", err)
	}
	zr, err := gzip.NewReader(bytes.NewReader(zipped))
	if err != nil {
		return nil, fmt.Errorf("error decompressing spec: %s", err)
	}
	var buf bytes.Buffer
	_, err = buf.ReadFrom(zr)
	if err != nil {
		return nil, fmt.Errorf("error decompressing spec: %s", err)
	}

	return buf.Bytes(), nil
}

var rawSpec = decodeSpecCached()

// a naive cached of a decoded swagger spec
func decodeSpecCached() func() ([]byte, error) {
	data, err := decodeSpec()
	return func() ([]byte, error) {
		return data, err
	}
}

// Constructs a synthetic filesystem for resolving external references when loading openapi specifications.
func PathToRawSpec(pathToFile string) map[string]func() ([]byte, error) {
	var res = make(map[string]func() ([]byte, error))
	if len(pathToFile) > 0 {
		res[pathToFile] = rawSpec
	}

	return res
}

// GetSwagger returns the Swagger specification corresponding to the generated code
// in this file. The external references of Swagger specification are resolved.
// The logic of resolving external references is tightly connected to "import-mapping" feature.
// Externally referenced files must be embedded in the corresponding golang packages.
// Urls can be supported but this task was out of the scope.
func GetSwagger() (swagger *openapi3.T, err error) {
	var resolvePath = PathToRawSpec("")

	loader := openapi3.NewLoader()
	loader.IsExternalRefsAllowed = true
	loader.ReadFromURIFunc = func(loader *openapi3.Loader, url *url.URL) ([]byte, error) {
		var pathToFile = url.String()
		pathToFile = path.Clean(pathToFile)
		getSpec, ok := resolvePath[pathToFile]
		if !ok {
			err1 := fmt.Errorf("path not found: %s", pathToFile)
			return nil, err1
		}
		return getSpec()
	}
	var specData []byte
	specData, err = rawSpec()
	if err != nil {
		return
	}
	swagger, err = loader.LoadFromData(specData)
	if err != nil {
		return
	}
	return
}