satellite/console{gen}: GetUsersProjects endpoint

Initial implementation of auto-generated GetUsersProjects endpoint

Change-Id: If41bff2ea3ff9cfc87afeda9e5e5b3f586cbab33

private/api/authentication.go

@@ -0,0 +1,11 @@
+// Copyright (C) 2022 Storj Labs, Inc.
+// See LICENSE for copying information.
+
+package api
+
+import "net/http"
+
+// Auth exposes methods to control authentication process for each endpoint.
+type Auth interface {
+	IsAuthenticated(r *http.Request) error
+}

private/api/errorhandling.go

@@ -0,0 +1,49 @@
+// Copyright (C) 2022 Storj Labs, Inc.
+// See LICENSE for copying information.
+
+package api
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"go.uber.org/zap"
+)
+
+// HTTPError holds http error entity with http status and error itself.
+type HTTPError struct {
+	Status int
+	Err    error
+}
+
+// Error returns http error's string representation.
+func (e HTTPError) Error() string {
+	return e.Err.Error()
+}
+
+// ServeError writes JSON error to response output stream.
+func ServeError(log *zap.Logger, w http.ResponseWriter, status int, err error) {
+	msg := err.Error()
+	fields := []zap.Field{
+		zap.Int("code", status),
+		zap.String("message", msg),
+		zap.Error(err),
+	}
+
+	if status == http.StatusNoContent {
+		return
+	} else if status/100 == 5 { // Check for 5XX status.
+		log.Error("returning error to client", fields...)
+	} else {
+		log.Debug("returning error to client", fields...)
+	}
+
+	w.WriteHeader(status)
+
+	err = json.NewEncoder(w).Encode(map[string]string{
+		"error": msg,
+	})
+	if err != nil {
+		log.Debug("failed to write json error response", zap.Error(err))
+	}
+}

private/apigen/api.go

@@ -3,21 +3,27 @@
 
 package apigen
 
+import (
+	"fmt"
+	"go/format"
+	"os"
+	"reflect"
+	"strings"
+
+	"github.com/zeebo/errs"
+
+	"storj.io/storj/private/api"
+)
+
 // API represents specific API's configuration.
 type API struct {
 	Version        string
 	Description    string
+	PackageName    string
+	Auth           api.Auth
 	EndpointGroups []*EndpointGroup
 }
 
-// New creates new API with specific configuration.
-func New(version, description string) *API {
-	return &API{
-		Version:     version,
-		Description: description,
-	}
-}
-
 // Group adds new endpoints group to API.
 func (a *API) Group(name, prefix string) *EndpointGroup {
 	group := &EndpointGroup{
@@ -30,3 +36,169 @@ func (a *API) Group(name, prefix string) *EndpointGroup {
 
 	return group
 }
+
+// MustWrite writes generated code into a file.
+func (a *API) MustWrite(path string) {
+	generated, err := a.generateGo()
+	if err != nil {
+		panic(errs.Wrap(err))
+	}
+
+	err = os.WriteFile(path+"api.gen.go", generated, 0755)
+	if err != nil {
+		panic(errs.Wrap(err))
+	}
+}
+
+// generateGo generates api code and returns an output.
+func (a *API) generateGo() ([]byte, error) {
+	var result string
+
+	p := func(format string, a ...interface{}) {
+		result += fmt.Sprintf(format+"\n", a...)
+	}
+
+	getPackageName := func(path string) string {
+		pathPackages := strings.Split(path, "/")
+		return pathPackages[len(pathPackages)-1]
+	}
+
+	p("// AUTOGENERATED BY private/apigen")
+	p("// DO NOT EDIT.")
+	p("")
+
+	p("package %s", a.PackageName)
+	p("")
+
+	p("import (")
+	p(`"context"`)
+	p(`"encoding/json"`)
+	p(`"net/http"`)
+	p("")
+	p(`"github.com/gorilla/mux"`)
+	p(`"github.com/zeebo/errs"`)
+	p(`"go.uber.org/zap"`)
+	p("")
+
+	p(`"storj.io/storj/private/api"`)
+
+	for _, group := range a.EndpointGroups {
+		for _, method := range group.Endpoints {
+			if method.Request != nil {
+				path := reflect.TypeOf(method.Request).Elem().PkgPath()
+				pn := getPackageName(path)
+				if pn == a.PackageName {
+					continue
+				}
+
+				p(`"%s"`, path)
+			}
+			if method.Response != nil {
+				path := reflect.TypeOf(method.Response).Elem().PkgPath()
+				pn := getPackageName(path)
+				if pn == a.PackageName {
+					continue
+				}
+
+				p(`"%s"`, path)
+			}
+		}
+		p(")")
+		p("")
+
+		p("var Err%sAPI = errs.Class(\"%s %s api\")", strings.Title(group.Prefix), a.PackageName, group.Prefix)
+		p("")
+
+		p("type %sService interface {", group.Name)
+		for _, method := range group.Endpoints {
+			responseType := reflect.TypeOf(method.Response)
+			if strings.Contains(responseType.String(), a.PackageName) {
+				p("%s(context.Context) (%s, api.HTTPError)", method.MethodName, responseType.Elem().Name())
+			} else {
+				p("%s(context.Context) (%s, api.HTTPError)", method.MethodName, responseType)
+			}
+		}
+		p("}")
+		p("")
+
+		p("type Handler struct {")
+		p("log *zap.Logger")
+		p("service %sService", group.Name)
+		p("auth api.Auth")
+		p("}")
+		p("")
+
+		p(
+			"func New%s(log *zap.Logger, service %sService, router *mux.Router) *Handler {",
+			group.Name,
+			group.Name,
+		)
+		p("handler := &Handler{")
+		p("log: log,")
+		p("service: service,")
+		p("}")
+		p("")
+		p("%sRouter := router.PathPrefix(\"/api/v0/%s\").Subrouter()", group.Prefix, group.Prefix)
+		for pathMethod, endpoint := range group.Endpoints {
+			handlerName := "handle" + endpoint.MethodName
+			p("%sRouter.HandleFunc(\"%s\", handler.%s).Methods(\"%s\")", group.Prefix, pathMethod.Path, handlerName, pathMethod.Method)
+		}
+		p("")
+		p("return handler")
+		p("}")
+
+		for _, endpoint := range group.Endpoints {
+			p("")
+			handlerName := "handle" + endpoint.MethodName
+			p("func (h *Handler) %s(w http.ResponseWriter, r *http.Request) {", handlerName)
+			p("ctx := r.Context()")
+			p("var err error")
+			p("defer mon.Task()(&ctx)(&err)")
+			p("")
+
+			p("w.Header().Set(\"Content-Type\", \"application/json\")")
+			p("")
+
+			if !endpoint.NoCookieAuth {
+				p("err = h.auth.IsAuthenticated(r)")
+				p("if err != nil {")
+				p("api.ServeError(h.log, w, http.StatusUnauthorized, err)")
+				p("return")
+				p("}")
+				p("")
+			}
+
+			methodFormat := "retVal, httpErr := h.service.%s(ctx"
+			args := []string{endpoint.MethodName}
+
+			// TODO to be implemented
+			// if !endpoint.NoAPIAuth {}
+
+			methodFormat += ")"
+			interfaceArgs := make([]interface{}, len(args))
+			for i, v := range args {
+				interfaceArgs[i] = v
+			}
+			p(methodFormat, interfaceArgs...)
+			p("if err != nil {")
+			p("api.ServeError(h.log, w, httpErr.Status, httpErr.Err)")
+			p("return")
+			p("}")
+			p("")
+
+			p("err = json.NewEncoder(w).Encode(retVal)")
+			p("if err != nil {")
+			p("h.log.Debug(\"failed to write json %s response\", zap.Error(Err%sAPI.Wrap(err)))", endpoint.MethodName, strings.Title(group.Prefix))
+			p("}")
+			p("}")
+			p("")
+		}
+	}
+
+	output, err := format.Source([]byte(result))
+	if err != nil {
+		return nil, err
+	}
+
+	return output, nil
+}

satellite/console/consoleweb/consoleapi/api.gen.go

@@ -0,0 +1,66 @@
+// AUTOGENERATED BY private/apigen
+// DO NOT EDIT.
+
+package consoleapi
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+
+	"github.com/gorilla/mux"
+	"github.com/zeebo/errs"
+	"go.uber.org/zap"
+
+	"storj.io/storj/private/api"
+	"storj.io/storj/satellite/console"
+)
+
+var ErrProjectsAPI = errs.Class("consoleapi projects api")
+
+type ProjectManagementService interface {
+	GetUserProjects(context.Context) ([]console.Project, api.HTTPError)
+}
+
+type Handler struct {
+	log     *zap.Logger
+	service ProjectManagementService
+	auth    api.Auth
+}
+
+func NewProjectManagement(log *zap.Logger, service ProjectManagementService, router *mux.Router) *Handler {
+	handler := &Handler{
+		log:     log,
+		service: service,
+	}
+
+	projectsRouter := router.PathPrefix("/api/v0/projects").Subrouter()
+	projectsRouter.HandleFunc("/", handler.handleGetUserProjects).Methods("GET")
+
+	return handler
+}
+
+func (h *Handler) handleGetUserProjects(w http.ResponseWriter, r *http.Request) {
+	ctx := r.Context()
+	var err error
+	defer mon.Task()(&ctx)(&err)
+
+	w.Header().Set("Content-Type", "application/json")
+
+	err = h.auth.IsAuthenticated(r)
+	if err != nil {
+		api.ServeError(h.log, w, http.StatusUnauthorized, err)
+		return
+	}
+
+	retVal, httpErr := h.service.GetUserProjects(ctx)
+	if err != nil {
+		api.ServeError(h.log, w, httpErr.Status, httpErr.Err)
+		return
+	}
+
+	err = json.NewEncoder(w).Encode(retVal)
+	if err != nil {
+		h.log.Debug("failed to write json GetUserProjects response", zap.Error(ErrProjectsAPI.Wrap(err)))
+	}
+}

satellite/console/consoleweb/consoleapi/gen/main.go

@@ -11,16 +11,23 @@ import (
 )
 
 func main() {
-	api := apigen.New("v1", "")
+	a := &apigen.API{
+		Version:     "v1",
+		Description: "",
+		PackageName: "consoleapi",
+	}
 
 	{
-		g := api.Group("Projects", "projects")
+		g := a.Group("ProjectManagement", "projects")
 
 		g.Get("/", &apigen.Endpoint{
-			Name:        "List Projects",
-			Description: "Lists all projects user has",
-			MethodName:  "ListUserProjects",
+			Name:        "Get Projects",
+			Description: "Gets all projects user has",
+			MethodName:  "GetUserProjects",
 			Response:    []console.Project{},
 		})
+
 	}
+
+	a.MustWrite("satellite/console/consoleweb/consoleapi/")
 }

web/satellite/src/api/projects.ts

@@ -81,8 +81,8 @@ export class ProjectsApiGql extends BaseGql implements ProjectsApi {
      * Update project name and description.
      *
      * @param projectId - project ID
-     * @param name - project name
-     * @param description - project description
+     * @param projectFields - project fields
+     * @param projectLimits - project limits
      * @returns Project[]
      * @throws Error
      */