private/apigen: Make API base path configurable
Previously the base path for the API was hardcoded to `/api` and the specified version. This was not obvious that the generated code was setting that base path and it was not flexible for serving the API under a different path than `/api`. We will likely need to set a different base path if we pretend to serve the new back office API that we are going to implement alongside the current admin API until the new back office is fully implemented and verified that works properly. This commit also fix add the base path of the endpoints to the documentation because it was even more confusing for somebody that wants to use the API having to find out them through looking to the generated code. Change-Id: I6efab6b6f3d295129d6f42f7fbba8c2dc19725f4
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@ -5,6 +5,7 @@ package apigen
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import (
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"fmt"
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"path"
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"reflect"
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"strings"
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@ -13,9 +14,18 @@ import (
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// API represents specific API's configuration.
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type API struct {
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Version string
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Description string
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PackageName string
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// Version is the corresponding version of the API.
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// It's concatenated to the BasePath, so assuming the base path is "/api" and the version is "v1"
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// the API paths will begin with `/api/v1`.
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// When empty, the version doesn't appear in the API paths. If it starts or ends with one or more
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// "/", they are stripped from the API endpoint paths.
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Version string
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Description string
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// The package name to use for the Go generated code.
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PackageName string
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// BasePath is the base path for the API endpoints. E.g. "/api".
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// It doesn't require to begin with "/". When empty, "/" is used.
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BasePath string
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Auth api.Auth
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EndpointGroups []*EndpointGroup
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}
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@ -32,6 +42,14 @@ func (a *API) Group(name, prefix string) *EndpointGroup {
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return group
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}
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func (a *API) endpointBasePath() string {
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if strings.HasPrefix(a.BasePath, "/") {
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return path.Join(a.BasePath, a.Version)
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}
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return "/" + path.Join(a.BasePath, a.Version)
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}
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// StringBuilder is an extension of strings.Builder that allows for writing formatted lines.
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type StringBuilder struct{ strings.Builder }
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47
private/apigen/common_test.go
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47
private/apigen/common_test.go
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@ -0,0 +1,47 @@
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// Copyright (C) 2023 Storj Labs, Inc.
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// See LICENSE for copying information.
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package apigen
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import (
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"fmt"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestAPI_endpointBasePath(t *testing.T) {
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cases := []struct {
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version string
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basePath string
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expected string
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}{
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{version: "", basePath: "", expected: "/"},
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{version: "v1", basePath: "", expected: "/v1"},
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{version: "v0", basePath: "/", expected: "/v0"},
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{version: "", basePath: "api", expected: "/api"},
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{version: "v2", basePath: "api", expected: "/api/v2"},
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{version: "v2", basePath: "/api", expected: "/api/v2"},
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{version: "v2", basePath: "api/", expected: "/api/v2"},
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{version: "v2", basePath: "/api/", expected: "/api/v2"},
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{version: "/v3", basePath: "api", expected: "/api/v3"},
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{version: "/v3/", basePath: "api", expected: "/api/v3"},
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{version: "v3/", basePath: "api", expected: "/api/v3"},
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{version: "//v3/", basePath: "api", expected: "/api/v3"},
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{version: "v3///", basePath: "api", expected: "/api/v3"},
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{version: "/v3///", basePath: "/api/test/", expected: "/api/test/v3"},
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{version: "/v4.2", basePath: "api/test", expected: "/api/test/v4.2"},
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{version: "/v4/2", basePath: "/api/test", expected: "/api/test/v4/2"},
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}
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for _, c := range cases {
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t.Run(fmt.Sprintf("version:%s basePath: %s", c.version, c.basePath), func(t *testing.T) {
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a := API{
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Version: c.version,
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BasePath: c.basePath,
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}
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assert.Equal(t, c.expected, a.endpointBasePath())
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})
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}
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}
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@ -58,7 +58,7 @@ func (api *API) generateDocumentation() string {
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for _, endpoint := range group.endpoints {
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wf("<h3 id='%s'>%s (<a href='#list-of-endpoints'>go to full list</a>)</h3>\n\n", getEndpointLink(group.Name, endpoint.Name), endpoint.Name)
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wf("%s\n\n", endpoint.Description)
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wf("`%s /%s%s`\n\n", endpoint.Method, group.Prefix, endpoint.Path)
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wf("`%s %s/%s%s`\n\n", endpoint.Method, api.endpointBasePath(), group.Prefix, endpoint.Path)
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if len(endpoint.QueryParams) > 0 {
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wf("**Query Params:**\n\n")
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@ -140,7 +140,6 @@ func getTypeNameRecursively(t reflect.Type, level int) string {
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elemType := t.Elem()
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if elemType.Kind() == reflect.Uint8 { // treat []byte as string in docs
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return prefix + "string"
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}
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return fmt.Sprintf("%s[\n%s\n%s]\n", prefix, getTypeNameRecursively(elemType, level+1), prefix)
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case reflect.Struct:
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@ -4,15 +4,16 @@
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**Version:** `v0`
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**List of endpoints:**
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<h2 id='list-of-endpoints'>List of Endpoints</h2>
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* TestAPI
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* [](#e-31104e2390954bdc113e2444e69a0667)
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* [](#testapi-)
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<h2 id='e-31104e2390954bdc113e2444e69a0667'></h2>
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<h3 id='testapi-'> (<a href='#list-of-endpoints'>go to full list</a>)</h3>
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`POST /testapi/{path}`
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`POST /api/v0/testapi/{path}`
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**Query Params:**
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@ -14,7 +14,7 @@ import (
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)
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func main() {
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a := &apigen.API{PackageName: "example", Version: "v0"}
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a := &apigen.API{PackageName: "example", Version: "v0", BasePath: "/api"}
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g := a.Group("TestAPI", "testapi")
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@ -101,7 +101,12 @@ func (a *API) generateGo() ([]byte, error) {
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for _, group := range a.EndpointGroups {
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i("github.com/zeebo/errs")
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pf("var Err%sAPI = errs.Class(\"%s %s api\")", cases.Title(language.Und).String(group.Prefix), a.PackageName, group.Prefix)
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pf(
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"var Err%sAPI = errs.Class(\"%s %s api\")",
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cases.Title(language.Und).String(group.Prefix),
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a.PackageName,
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group.Prefix,
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)
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}
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pf("")
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@ -168,10 +173,16 @@ func (a *API) generateGo() ([]byte, error) {
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pf("auth: auth,")
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pf("}")
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pf("")
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pf("%sRouter := router.PathPrefix(\"/api/v0/%s\").Subrouter()", group.Prefix, group.Prefix)
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pf("%sRouter := router.PathPrefix(\"%s/%s\").Subrouter()", group.Prefix, a.endpointBasePath(), group.Prefix)
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for _, endpoint := range group.endpoints {
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handlerName := "handle" + endpoint.MethodName
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pf("%sRouter.HandleFunc(\"%s\", handler.%s).Methods(\"%s\")", group.Prefix, endpoint.Path, handlerName, endpoint.Method)
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pf(
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"%sRouter.HandleFunc(\"%s\", handler.%s).Methods(\"%s\")",
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group.Prefix,
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endpoint.Path,
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handlerName,
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endpoint.Method,
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)
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}
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pf("")
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pf("return handler")
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@ -243,7 +254,11 @@ func (a *API) generateGo() ([]byte, error) {
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pf("")
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pf("err = json.NewEncoder(w).Encode(retVal)")
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pf("if err != nil {")
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pf("h.log.Debug(\"failed to write json %s response\", zap.Error(Err%sAPI.Wrap(err)))", endpoint.MethodName, cases.Title(language.Und).String(group.Prefix))
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pf(
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"h.log.Debug(\"failed to write json %s response\", zap.Error(Err%sAPI.Wrap(err)))",
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endpoint.MethodName,
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cases.Title(language.Und).String(group.Prefix),
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)
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pf("}")
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pf("}")
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}
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@ -86,7 +86,7 @@ func (f *tsGenFile) registerTypes() {
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func (f *tsGenFile) createAPIClient(group *EndpointGroup) {
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f.pf("\nexport class %sHttpApi%s {", group.Prefix, strings.ToUpper(f.api.Version))
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f.pf("\tprivate readonly http: HttpClient = new HttpClient();")
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f.pf("\tprivate readonly ROOT_PATH: string = '/api/%s/%s';", f.api.Version, group.Prefix)
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f.pf("\tprivate readonly ROOT_PATH: string = '%s/%s';", f.api.endpointBasePath(), group.Prefix)
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for _, method := range group.endpoints {
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f.pf("")
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@ -24,7 +24,7 @@
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Creates new Project with given info
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`POST /projects/create`
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`POST /api/v0/projects/create`
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**Request body:**
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@ -49,7 +49,7 @@ unknown
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Updates project with given info
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`PATCH /projects/update/{id}`
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`PATCH /api/v0/projects/update/{id}`
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**Path Params:**
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@ -99,7 +99,7 @@ Updates project with given info
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Deletes project by id
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`DELETE /projects/delete/{id}`
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`DELETE /api/v0/projects/delete/{id}`
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**Path Params:**
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@ -111,7 +111,7 @@ Deletes project by id
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Gets all projects user has
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`GET /projects/`
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`GET /api/v0/projects/`
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**Response body:**
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@ -145,7 +145,7 @@ Gets all projects user has
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Gets project's single bucket usage by bucket ID
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`GET /projects/bucket-rollup`
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`GET /api/v0/projects/bucket-rollup`
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**Query Params:**
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@ -179,7 +179,7 @@ Gets project's single bucket usage by bucket ID
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Gets project's all buckets usage
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`GET /projects/bucket-rollups`
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`GET /api/v0/projects/bucket-rollups`
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**Query Params:**
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@ -215,7 +215,7 @@ Gets project's all buckets usage
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Gets API keys by project ID
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`GET /projects/apikeys/{projectID}`
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`GET /api/v0/projects/apikeys/{projectID}`
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**Query Params:**
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@ -265,7 +265,7 @@ Gets API keys by project ID
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Creates new macaroon API key with given info
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`POST /apikeys/create`
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`POST /api/v0/apikeys/create`
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**Request body:**
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@ -291,7 +291,7 @@ Creates new macaroon API key with given info
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Deletes macaroon API key by id
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`DELETE /apikeys/delete/{id}`
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`DELETE /api/v0/apikeys/delete/{id}`
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**Path Params:**
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@ -303,7 +303,7 @@ Deletes macaroon API key by id
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Gets User by request context
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`GET /users/`
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`GET /api/v0/users/`
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**Response body:**
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@ -22,6 +22,7 @@ func main() {
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// definition for REST API
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a := &apigen.API{
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Version: "v0",
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BasePath: "/api",
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Description: "Interacts with projects",
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PackageName: "consoleapi",
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}
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