go: vendor the oapi-codegen cmd

See the comment in tools.go, I cannot fully explain what's happening here.
Somehow, Go 1.14 wants to use the vendored version of oapi-codegen but
without this file, oapi-codegen isn't vendored so the generation fails.

Signed-off-by: Ondřej Budai <ondrej@budai.cz>

vendor/github.com/deepmap/oapi-codegen/pkg/codegen/templates/additional-properties.tmpl

@@ -0,0 +1,70 @@
+{{range .Types}}{{$addType := .Schema.AdditionalPropertiesType.TypeDecl}}
+
+// Getter for additional properties for {{.TypeName}}. Returns the specified
+// element and whether it was found
+func (a {{.TypeName}}) Get(fieldName string) (value {{$addType}}, found bool) {
+    if a.AdditionalProperties != nil {
+        value, found = a.AdditionalProperties[fieldName]
+    }
+    return
+}
+
+// Setter for additional properties for {{.TypeName}}
+func (a *{{.TypeName}}) Set(fieldName string, value {{$addType}}) {
+    if a.AdditionalProperties == nil {
+        a.AdditionalProperties = make(map[string]{{$addType}})
+    }
+    a.AdditionalProperties[fieldName] = value
+}
+
+// Override default JSON handling for {{.TypeName}} to handle AdditionalProperties
+func (a *{{.TypeName}}) UnmarshalJSON(b []byte) error {
+    object := make(map[string]json.RawMessage)
+	err := json.Unmarshal(b, &object)
+	if err != nil {
+		return err
+	}
+{{range .Schema.Properties}}
+    if raw, found := object["{{.JsonFieldName}}"]; found {
+        err = json.Unmarshal(raw, &a.{{.GoFieldName}})
+        if err != nil {
+            return errors.Wrap(err, "error reading '{{.JsonFieldName}}'")
+        }
+        delete(object, "{{.JsonFieldName}}")
+    }
+{{end}}
+    if len(object) != 0 {
+        a.AdditionalProperties = make(map[string]{{$addType}})
+        for fieldName, fieldBuf := range object {
+            var fieldVal {{$addType}}
+            err := json.Unmarshal(fieldBuf, &fieldVal)
+            if err != nil {
+                return errors.Wrap(err, fmt.Sprintf("error unmarshaling field %s", fieldName))
+            }
+            a.AdditionalProperties[fieldName] = fieldVal
+        }
+    }
+	return nil
+}
+
+// Override default JSON handling for {{.TypeName}} to handle AdditionalProperties
+func (a {{.TypeName}}) MarshalJSON() ([]byte, error) {
+    var err error
+    object := make(map[string]json.RawMessage)
+{{range .Schema.Properties}}
+{{if not .Required}}if a.{{.GoFieldName}} != nil { {{end}}
+    object["{{.JsonFieldName}}"], err = json.Marshal(a.{{.GoFieldName}})
+    if err != nil {
+        return nil, errors.Wrap(err, fmt.Sprintf("error marshaling '{{.JsonFieldName}}'"))
+    }
+{{if not .Required}} }{{end}}
+{{end}}
+    for fieldName, field := range a.AdditionalProperties {
+		object[fieldName], err = json.Marshal(field)
+		if err != nil {
+			return nil, errors.Wrap(err, fmt.Sprintf("error marshaling '%s'", fieldName))
+		}
+	}
+	return json.Marshal(object)
+}
+{{end}}

vendor/github.com/deepmap/oapi-codegen/pkg/codegen/templates/chi-handler.tmpl

@@ -0,0 +1,17 @@
+// Handler creates http.Handler with routing matching OpenAPI spec.
+func Handler(si ServerInterface) http.Handler {
+  return HandlerFromMux(si, chi.NewRouter())
+}
+
+// HandlerFromMux creates http.Handler with routing matching OpenAPI spec based on the provided mux.
+func HandlerFromMux(si ServerInterface, r chi.Router) http.Handler {
+{{if .}}wrapper := ServerInterfaceWrapper{
+        Handler: si,
+    }
+{{end}}
+{{range .}}r.Group(func(r chi.Router) {
+  r.{{.Method | lower | title }}("{{.Path | swaggerUriToChiUri}}", wrapper.{{.OperationId}})
+})
+{{end}}
+  return r
+}

vendor/github.com/deepmap/oapi-codegen/pkg/codegen/templates/chi-interface.tmpl

@@ -0,0 +1,7 @@
+// ServerInterface represents all server handlers.
+type ServerInterface interface {
+{{range .}}{{.SummaryAsComment }}
+// ({{.Method}} {{.Path}})
+{{.OperationId}}(w http.ResponseWriter, r *http.Request{{genParamArgs .PathParams}}{{if .RequiresParamObject}}, params {{.OperationId}}Params{{end}})
+{{end}}
+}

vendor/github.com/deepmap/oapi-codegen/pkg/codegen/templates/chi-middleware.tmpl

@@ -0,0 +1,167 @@
+// ServerInterfaceWrapper converts contexts to parameters.
+type ServerInterfaceWrapper struct {
+    Handler ServerInterface
+}
+
+{{range .}}{{$opid := .OperationId}}
+
+// {{$opid}} operation middleware
+func (siw *ServerInterfaceWrapper) {{$opid}}(w http.ResponseWriter, r *http.Request) {
+  ctx := r.Context()
+  {{if or .RequiresParamObject (gt (len .PathParams) 0) }}
+  var err error
+  {{end}}
+
+  {{range .PathParams}}// ------------- Path parameter "{{.ParamName}}" -------------
+  var {{$varName := .GoVariableName}}{{$varName}} {{.TypeDef}}
+
+  {{if .IsPassThrough}}
+  {{$varName}} = chi.URLParam(r, "{{.ParamName}}")
+  {{end}}
+  {{if .IsJson}}
+  err = json.Unmarshal([]byte(chi.URLParam(r, "{{.ParamName}}")), &{{$varName}})
+  if err != nil {
+    http.Error(w, "Error unmarshaling parameter '{{.ParamName}}' as JSON", http.StatusBadRequest)
+    return
+  }
+  {{end}}
+  {{if .IsStyled}}
+  err = runtime.BindStyledParameter("{{.Style}}",{{.Explode}}, "{{.ParamName}}", chi.URLParam(r, "{{.ParamName}}"), &{{$varName}})
+  if err != nil {
+    http.Error(w, fmt.Sprintf("Invalid format for parameter {{.ParamName}}: %s", err), http.StatusBadRequest)
+    return
+  }
+  {{end}}
+
+  {{end}}
+
+{{range .SecurityDefinitions}}
+  ctx = context.WithValue(ctx, "{{.ProviderName}}.Scopes", {{toStringArray .Scopes}})
+{{end}}
+
+  {{if .RequiresParamObject}}
+    // Parameter object where we will unmarshal all parameters from the context
+    var params {{.OperationId}}Params
+
+    {{range $paramIdx, $param := .QueryParams}}// ------------- {{if .Required}}Required{{else}}Optional{{end}} query parameter "{{.ParamName}}" -------------
+      if paramValue := r.URL.Query().Get("{{.ParamName}}"); paramValue != "" {
+
+      {{if .IsPassThrough}}
+        params.{{.GoName}} = {{if not .Required}}&{{end}}paramValue
+      {{end}}
+
+      {{if .IsJson}}
+        var value {{.TypeDef}}
+        err = json.Unmarshal([]byte(paramValue), &value)
+        if err != nil {
+          http.Error(w, "Error unmarshaling parameter '{{.ParamName}}' as JSON", http.StatusBadRequest)
+          return
+        }
+
+        params.{{.GoName}} = {{if not .Required}}&{{end}}value
+      {{end}}
+      }{{if .Required}} else {
+          http.Error(w, "Query argument {{.ParamName}} is required, but not found", http.StatusBadRequest)
+          return
+      }{{end}}
+      {{if .IsStyled}}
+      err = runtime.BindQueryParameter("{{.Style}}", {{.Explode}}, {{.Required}}, "{{.ParamName}}", r.URL.Query(), &params.{{.GoName}})
+      if err != nil {
+        http.Error(w, fmt.Sprintf("Invalid format for parameter {{.ParamName}}: %s", err), http.StatusBadRequest)
+        return
+      }
+      {{end}}
+  {{end}}
+
+    {{if .HeaderParams}}
+      headers := r.Header
+
+      {{range .HeaderParams}}// ------------- {{if .Required}}Required{{else}}Optional{{end}} header parameter "{{.ParamName}}" -------------
+        if valueList, found := headers[http.CanonicalHeaderKey("{{.ParamName}}")]; found {
+          var {{.GoName}} {{.TypeDef}}
+          n := len(valueList)
+          if n != 1 {
+            http.Error(w, fmt.Sprintf("Expected one value for {{.ParamName}}, got %d", n), http.StatusBadRequest)
+            return
+          }
+
+        {{if .IsPassThrough}}
+          params.{{.GoName}} = {{if not .Required}}&{{end}}valueList[0]
+        {{end}}
+
+        {{if .IsJson}}
+          err = json.Unmarshal([]byte(valueList[0]), &{{.GoName}})
+          if err != nil {
+            http.Error(w, "Error unmarshaling parameter '{{.ParamName}}' as JSON", http.StatusBadRequest)
+            return
+          }
+        {{end}}
+
+        {{if .IsStyled}}
+          err = runtime.BindStyledParameter("{{.Style}}",{{.Explode}}, "{{.ParamName}}", valueList[0], &{{.GoName}})
+          if err != nil {
+            http.Error(w, fmt.Sprintf("Invalid format for parameter {{.ParamName}}: %s", err), http.StatusBadRequest)
+            return
+          }
+        {{end}}
+
+          params.{{.GoName}} = {{if not .Required}}&{{end}}{{.GoName}}
+
+        } {{if .Required}}else {
+            http.Error(w, fmt.Sprintf("Header parameter {{.ParamName}} is required, but not found: %s", err), http.StatusBadRequest)
+            return
+        }{{end}}
+
+      {{end}}
+    {{end}}
+
+    {{range .CookieParams}}
+      if cookie, err := r.Cookie("{{.ParamName}}"); err == nil {
+
+      {{- if .IsPassThrough}}
+        params.{{.GoName}} = {{if not .Required}}&{{end}}cookie.Value
+      {{end}}
+
+      {{- if .IsJson}}
+        var value {{.TypeDef}}
+        var decoded string
+        decoded, err := url.QueryUnescape(cookie.Value)
+        if err != nil {
+          http.Error(w, "Error unescaping cookie parameter '{{.ParamName}}'", http.StatusBadRequest)
+          return
+        }
+
+        err = json.Unmarshal([]byte(decoded), &value)
+        if err != nil {
+          http.Error(w, "Error unmarshaling parameter '{{.ParamName}}' as JSON", http.StatusBadRequest)
+          return
+        }
+
+        params.{{.GoName}} = {{if not .Required}}&{{end}}value
+      {{end}}
+
+      {{- if .IsStyled}}
+        var value {{.TypeDef}}
+        err = runtime.BindStyledParameter("simple",{{.Explode}}, "{{.ParamName}}", cookie.Value, &value)
+        if err != nil {
+          http.Error(w, "Invalid format for parameter {{.ParamName}}: %s", http.StatusBadRequest)
+          return
+        }
+        params.{{.GoName}} = {{if not .Required}}&{{end}}value
+      {{end}}
+
+      }
+
+      {{- if .Required}} else {
+        http.Error(w, "Query argument {{.ParamName}} is required, but not found", http.StatusBadRequest)
+        return
+      }
+      {{- end}}
+    {{end}}
+  {{end}}
+  siw.Handler.{{.OperationId}}(w, r.WithContext(ctx){{genParamNames .PathParams}}{{if .RequiresParamObject}}, params{{end}})
+}
+{{end}}
+
+
+

vendor/github.com/deepmap/oapi-codegen/pkg/codegen/templates/client-with-responses.tmpl

@@ -0,0 +1,115 @@
+// ClientWithResponses builds on ClientInterface to offer response payloads
+type ClientWithResponses struct {
+    ClientInterface
+}
+
+// NewClientWithResponses creates a new ClientWithResponses, which wraps
+// Client with return type handling
+func NewClientWithResponses(server string, opts ...ClientOption) (*ClientWithResponses, error) {
+    client, err := NewClient(server, opts...)
+    if err != nil {
+        return nil, err
+    }
+    return &ClientWithResponses{client}, nil
+}
+
+// WithBaseURL overrides the baseURL.
+func WithBaseURL(baseURL string) ClientOption {
+	return func(c *Client) error {
+		newBaseURL, err := url.Parse(baseURL)
+		if err != nil {
+			return err
+		}
+		c.Server = newBaseURL.String()
+		return nil
+	}
+}
+
+// ClientWithResponsesInterface is the interface specification for the client with responses above.
+type ClientWithResponsesInterface interface {
+{{range . -}}
+{{$hasParams := .RequiresParamObject -}}
+{{$pathParams := .PathParams -}}
+{{$opid := .OperationId -}}
+    // {{$opid}} request {{if .HasBody}} with any body{{end}}
+    {{$opid}}{{if .HasBody}}WithBody{{end}}WithResponse(ctx context.Context{{genParamArgs .PathParams}}{{if .RequiresParamObject}}, params *{{$opid}}Params{{end}}{{if .HasBody}}, contentType string, body io.Reader{{end}}) (*{{genResponseTypeName $opid}}, error)
+{{range .Bodies}}
+    {{$opid}}{{.Suffix}}WithResponse(ctx context.Context{{genParamArgs $pathParams}}{{if $hasParams}}, params *{{$opid}}Params{{end}}, body {{$opid}}{{.NameTag}}RequestBody) (*{{genResponseTypeName $opid}}, error)
+{{end}}{{/* range .Bodies */}}
+{{end}}{{/* range . $opid := .OperationId */}}
+}
+
+{{range .}}{{$opid := .OperationId}}{{$op := .}}
+type {{$opid | ucFirst}}Response struct {
+    Body         []byte
+	HTTPResponse *http.Response
+    {{- range getResponseTypeDefinitions .}}
+    {{.TypeName}} *{{.Schema.TypeDecl}}
+    {{- end}}
+}
+
+// Status returns HTTPResponse.Status
+func (r {{$opid | ucFirst}}Response) Status() string {
+    if r.HTTPResponse != nil {
+        return r.HTTPResponse.Status
+    }
+    return http.StatusText(0)
+}
+
+// StatusCode returns HTTPResponse.StatusCode
+func (r {{$opid | ucFirst}}Response) StatusCode() int {
+    if r.HTTPResponse != nil {
+        return r.HTTPResponse.StatusCode
+    }
+    return 0
+}
+{{end}}
+
+
+{{range .}}
+{{$opid := .OperationId -}}
+{{/* Generate client methods (with responses)*/}}
+
+// {{$opid}}{{if .HasBody}}WithBody{{end}}WithResponse request{{if .HasBody}} with arbitrary body{{end}} returning *{{$opid}}Response
+func (c *ClientWithResponses) {{$opid}}{{if .HasBody}}WithBody{{end}}WithResponse(ctx context.Context{{genParamArgs .PathParams}}{{if .RequiresParamObject}}, params *{{$opid}}Params{{end}}{{if .HasBody}}, contentType string, body io.Reader{{end}}) (*{{genResponseTypeName $opid}}, error){
+    rsp, err := c.{{$opid}}{{if .HasBody}}WithBody{{end}}(ctx{{genParamNames .PathParams}}{{if .RequiresParamObject}}, params{{end}}{{if .HasBody}}, contentType, body{{end}})
+    if err != nil {
+        return nil, err
+    }
+    return Parse{{genResponseTypeName $opid | ucFirst}}(rsp)
+}
+
+{{$hasParams := .RequiresParamObject -}}
+{{$pathParams := .PathParams -}}
+{{$bodyRequired := .BodyRequired -}}
+{{range .Bodies}}
+func (c *ClientWithResponses) {{$opid}}{{.Suffix}}WithResponse(ctx context.Context{{genParamArgs $pathParams}}{{if $hasParams}}, params *{{$opid}}Params{{end}}, body {{$opid}}{{.NameTag}}RequestBody) (*{{genResponseTypeName $opid}}, error) {
+    rsp, err := c.{{$opid}}{{.Suffix}}(ctx{{genParamNames $pathParams}}{{if $hasParams}}, params{{end}}, body)
+    if err != nil {
+        return nil, err
+    }
+    return Parse{{genResponseTypeName $opid | ucFirst}}(rsp)
+}
+{{end}}
+
+{{end}}{{/* operations */}}
+
+{{/* Generate parse functions for responses*/}}
+{{range .}}{{$opid := .OperationId}}
+
+// Parse{{genResponseTypeName $opid | ucFirst}} parses an HTTP response from a {{$opid}}WithResponse call
+func Parse{{genResponseTypeName $opid | ucFirst}}(rsp *http.Response) (*{{genResponseTypeName $opid}}, error) {
+    bodyBytes, err := ioutil.ReadAll(rsp.Body)
+    defer rsp.Body.Close()
+    if err != nil {
+        return nil, err
+    }
+
+    response := {{genResponsePayload $opid}}
+
+    {{genResponseUnmarshal .}}
+
+    return response, nil
+}
+{{end}}{{/* range . $opid := .OperationId */}}
+

vendor/github.com/deepmap/oapi-codegen/pkg/codegen/templates/client.tmpl

@@ -0,0 +1,273 @@
+// RequestEditorFn  is the function signature for the RequestEditor callback function
+type RequestEditorFn func(ctx context.Context, req *http.Request) error
+
+// Doer performs HTTP requests.
+//
+// The standard http.Client implements this interface.
+type HttpRequestDoer interface {
+	Do(req *http.Request) (*http.Response, error)
+}
+
+// Client which conforms to the OpenAPI3 specification for this service.
+type Client struct {
+	// The endpoint of the server conforming to this interface, with scheme,
+	// https://api.deepmap.com for example.
+	Server string
+
+	// Doer for performing requests, typically a *http.Client with any
+	// customized settings, such as certificate chains.
+	Client HttpRequestDoer
+
+	// A callback for modifying requests which are generated before sending over
+	// the network.
+	RequestEditor RequestEditorFn
+}
+
+// ClientOption allows setting custom parameters during construction
+type ClientOption func(*Client) error
+
+// Creates a new Client, with reasonable defaults
+func NewClient(server string, opts ...ClientOption) (*Client, error) {
+    // create a client with sane default values
+    client := Client{
+        Server: server,
+    }
+    // mutate client and add all optional params
+    for _, o := range opts {
+        if err := o(&client); err != nil {
+            return nil, err
+        }
+    }
+    // ensure the server URL always has a trailing slash
+    if !strings.HasSuffix(client.Server, "/") {
+        client.Server += "/"
+    }
+    // create httpClient, if not already present
+    if client.Client == nil {
+        client.Client = http.DefaultClient
+    }
+    return &client, nil
+}
+
+// WithHTTPClient allows overriding the default Doer, which is
+// automatically created using http.Client. This is useful for tests.
+func WithHTTPClient(doer HttpRequestDoer) ClientOption {
+	return func(c *Client) error {
+		c.Client = doer
+		return nil
+	}
+}
+
+// WithRequestEditorFn allows setting up a callback function, which will be
+// called right before sending the request. This can be used to mutate the request.
+func WithRequestEditorFn(fn RequestEditorFn) ClientOption {
+	return func(c *Client) error {
+		c.RequestEditor = fn
+		return nil
+	}
+}
+
+// The interface specification for the client above.
+type ClientInterface interface {
+{{range . -}}
+{{$hasParams := .RequiresParamObject -}}
+{{$pathParams := .PathParams -}}
+{{$opid := .OperationId -}}
+    // {{$opid}} request {{if .HasBody}} with any body{{end}}
+    {{$opid}}{{if .HasBody}}WithBody{{end}}(ctx context.Context{{genParamArgs $pathParams}}{{if $hasParams}}, params *{{$opid}}Params{{end}}{{if .HasBody}}, contentType string, body io.Reader{{end}}) (*http.Response, error)
+{{range .Bodies}}
+    {{$opid}}{{.Suffix}}(ctx context.Context{{genParamArgs $pathParams}}{{if $hasParams}}, params *{{$opid}}Params{{end}}, body {{$opid}}{{.NameTag}}RequestBody) (*http.Response, error)
+{{end}}{{/* range .Bodies */}}
+{{end}}{{/* range . $opid := .OperationId */}}
+}
+
+
+{{/* Generate client methods */}}
+{{range . -}}
+{{$hasParams := .RequiresParamObject -}}
+{{$pathParams := .PathParams -}}
+{{$opid := .OperationId -}}
+
+func (c *Client) {{$opid}}{{if .HasBody}}WithBody{{end}}(ctx context.Context{{genParamArgs $pathParams}}{{if $hasParams}}, params *{{$opid}}Params{{end}}{{if .HasBody}}, contentType string, body io.Reader{{end}}) (*http.Response, error) {
+    req, err := New{{$opid}}Request{{if .HasBody}}WithBody{{end}}(c.Server{{genParamNames .PathParams}}{{if $hasParams}}, params{{end}}{{if .HasBody}}, contentType, body{{end}})
+    if err != nil {
+        return nil, err
+    }
+    req = req.WithContext(ctx)
+    if c.RequestEditor != nil {
+        err = c.RequestEditor(ctx, req)
+        if err != nil {
+            return nil, err
+        }
+    }
+    return c.Client.Do(req)
+}
+
+{{range .Bodies}}
+func (c *Client) {{$opid}}{{.Suffix}}(ctx context.Context{{genParamArgs $pathParams}}{{if $hasParams}}, params *{{$opid}}Params{{end}}, body {{$opid}}{{.NameTag}}RequestBody) (*http.Response, error) {
+    req, err := New{{$opid}}{{.Suffix}}Request(c.Server{{genParamNames $pathParams}}{{if $hasParams}}, params{{end}}, body)
+    if err != nil {
+        return nil, err
+    }
+    req = req.WithContext(ctx)
+    if c.RequestEditor != nil {
+        err = c.RequestEditor(ctx, req)
+        if err != nil {
+            return nil, err
+        }
+    }
+    return c.Client.Do(req)
+}
+{{end}}{{/* range .Bodies */}}
+{{end}}
+
+{{/* Generate request builders */}}
+{{range .}}
+{{$hasParams := .RequiresParamObject -}}
+{{$pathParams := .PathParams -}}
+{{$bodyRequired := .BodyRequired -}}
+{{$opid := .OperationId -}}
+
+{{range .Bodies}}
+// New{{$opid}}Request{{.Suffix}} calls the generic {{$opid}} builder with {{.ContentType}} body
+func New{{$opid}}Request{{.Suffix}}(server string{{genParamArgs $pathParams}}{{if $hasParams}}, params *{{$opid}}Params{{end}}, body {{$opid}}{{.NameTag}}RequestBody) (*http.Request, error) {
+    var bodyReader io.Reader
+    buf, err := json.Marshal(body)
+    if err != nil {
+        return nil, err
+    }
+    bodyReader = bytes.NewReader(buf)
+    return New{{$opid}}RequestWithBody(server{{genParamNames $pathParams}}{{if $hasParams}}, params{{end}}, "{{.ContentType}}", bodyReader)
+}
+{{end}}
+
+// New{{$opid}}Request{{if .HasBody}}WithBody{{end}} generates requests for {{$opid}}{{if .HasBody}} with any type of body{{end}}
+func New{{$opid}}Request{{if .HasBody}}WithBody{{end}}(server string{{genParamArgs $pathParams}}{{if $hasParams}}, params *{{$opid}}Params{{end}}{{if .HasBody}}, contentType string, body io.Reader{{end}}) (*http.Request, error) {
+    var err error
+{{range $paramIdx, $param := .PathParams}}
+    var pathParam{{$paramIdx}} string
+    {{if .IsPassThrough}}
+    pathParam{{$paramIdx}} = {{.ParamName}}
+    {{end}}
+    {{if .IsJson}}
+    var pathParamBuf{{$paramIdx}} []byte
+    pathParamBuf{{$paramIdx}}, err = json.Marshal({{.ParamName}})
+    if err != nil {
+        return nil, err
+    }
+    pathParam{{$paramIdx}} = string(pathParamBuf{{$paramIdx}})
+    {{end}}
+    {{if .IsStyled}}
+    pathParam{{$paramIdx}}, err = runtime.StyleParam("{{.Style}}", {{.Explode}}, "{{.ParamName}}", {{.GoVariableName}})
+    if err != nil {
+        return nil, err
+    }
+    {{end}}
+{{end}}
+    queryUrl, err := url.Parse(server)
+    if err != nil {
+        return nil, err
+    }
+
+    basePath := fmt.Sprintf("{{genParamFmtString .Path}}"{{range $paramIdx, $param := .PathParams}}, pathParam{{$paramIdx}}{{end}})
+    if basePath[0] == '/' {
+        basePath = basePath[1:]
+    }
+
+    queryUrl, err = queryUrl.Parse(basePath)
+    if err != nil {
+        return nil, err
+    }
+{{if .QueryParams}}
+    queryValues := queryUrl.Query()
+{{range $paramIdx, $param := .QueryParams}}
+    {{if not .Required}} if params.{{.GoName}} != nil { {{end}}
+    {{if .IsPassThrough}}
+    queryValues.Add("{{.ParamName}}", {{if not .Required}}*{{end}}params.{{.GoName}})
+    {{end}}
+    {{if .IsJson}}
+    if queryParamBuf, err := json.Marshal({{if not .Required}}*{{end}}params.{{.GoName}}); err != nil {
+        return nil, err
+    } else {
+        queryValues.Add("{{.ParamName}}", string(queryParamBuf))
+    }
+
+    {{end}}
+    {{if .IsStyled}}
+    if queryFrag, err := runtime.StyleParam("{{.Style}}", {{.Explode}}, "{{.ParamName}}", {{if not .Required}}*{{end}}params.{{.GoName}}); err != nil {
+        return nil, err
+    } else if parsed, err := url.ParseQuery(queryFrag); err != nil {
+       return nil, err
+    } else {
+       for k, v := range parsed {
+           for _, v2 := range v {
+               queryValues.Add(k, v2)
+           }
+       }
+    }
+    {{end}}
+    {{if not .Required}}}{{end}}
+{{end}}
+    queryUrl.RawQuery = queryValues.Encode()
+{{end}}{{/* if .QueryParams */}}
+    req, err := http.NewRequest("{{.Method}}", queryUrl.String(), {{if .HasBody}}body{{else}}nil{{end}})
+    if err != nil {
+        return nil, err
+    }
+
+{{range $paramIdx, $param := .HeaderParams}}
+    {{if not .Required}} if params.{{.GoName}} != nil { {{end}}
+    var headerParam{{$paramIdx}} string
+    {{if .IsPassThrough}}
+    headerParam{{$paramIdx}} = {{if not .Required}}*{{end}}params.{{.GoName}}
+    {{end}}
+    {{if .IsJson}}
+    var headerParamBuf{{$paramIdx}} []byte
+    headerParamBuf{{$paramIdx}}, err = json.Marshal({{if not .Required}}*{{end}}params.{{.GoName}})
+    if err != nil {
+        return nil, err
+    }
+    headerParam{{$paramIdx}} = string(headerParamBuf{{$paramIdx}})
+    {{end}}
+    {{if .IsStyled}}
+    headerParam{{$paramIdx}}, err = runtime.StyleParam("{{.Style}}", {{.Explode}}, "{{.ParamName}}", {{if not .Required}}*{{end}}params.{{.GoName}})
+    if err != nil {
+        return nil, err
+    }
+    {{end}}
+    req.Header.Add("{{.ParamName}}", headerParam{{$paramIdx}})
+    {{if not .Required}}}{{end}}
+{{end}}
+
+{{range $paramIdx, $param := .CookieParams}}
+    {{if not .Required}} if params.{{.GoName}} != nil { {{end}}
+    var cookieParam{{$paramIdx}} string
+    {{if .IsPassThrough}}
+    cookieParam{{$paramIdx}} = {{if not .Required}}*{{end}}params.{{.GoName}}
+    {{end}}
+    {{if .IsJson}}
+    var cookieParamBuf{{$paramIdx}} []byte
+    cookieParamBuf{{$paramIdx}}, err = json.Marshal({{if not .Required}}*{{end}}params.{{.GoName}})
+    if err != nil {
+        return nil, err
+    }
+    cookieParam{{$paramIdx}} = url.QueryEscape(string(cookieParamBuf{{$paramIdx}}))
+    {{end}}
+    {{if .IsStyled}}
+    cookieParam{{$paramIdx}}, err = runtime.StyleParam("simple", {{.Explode}}, "{{.ParamName}}", {{if not .Required}}*{{end}}params.{{.GoName}})
+    if err != nil {
+        return nil, err
+    }
+    {{end}}
+    cookie{{$paramIdx}} := &http.Cookie{
+        Name:"{{.ParamName}}",
+        Value:cookieParam{{$paramIdx}},
+    }
+    req.AddCookie(cookie{{$paramIdx}})
+    {{if not .Required}}}{{end}}
+{{end}}
+    {{if .HasBody}}req.Header.Add("Content-Type", contentType){{end}}
+    return req, nil
+}
+
+{{end}}{{/* Range */}}

vendor/github.com/deepmap/oapi-codegen/pkg/codegen/templates/doc.go

@@ -0,0 +1,3 @@
+package templates
+
+//go:generate go run github.com/cyberdelia/templates -s . -o templates.gen.go

vendor/github.com/deepmap/oapi-codegen/pkg/codegen/templates/imports.tmpl

@@ -0,0 +1,10 @@
+// Package {{.PackageName}} provides primitives to interact the openapi HTTP API.
+//
+// Code generated by github.com/deepmap/oapi-codegen DO NOT EDIT.
+package {{.PackageName}}
+
+{{if .Imports}}
+import (
+{{range .Imports}} {{ . }}
+{{end}})
+{{end}}

vendor/github.com/deepmap/oapi-codegen/pkg/codegen/templates/inline.tmpl

@@ -0,0 +1,29 @@
+// Base64 encoded, gzipped, json marshaled Swagger object
+var swaggerSpec = []string{
+{{range .}}
+    "{{.}}",{{end}}
+}
+
+// GetSwagger returns the Swagger specification corresponding to the generated code
+// in this file.
+func GetSwagger() (*openapi3.Swagger, 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)
+    }
+
+    swagger, err := openapi3.NewSwaggerLoader().LoadSwaggerFromData(buf.Bytes())
+    if err != nil {
+        return nil, fmt.Errorf("error loading Swagger: %s", err)
+    }
+    return swagger, nil
+}

vendor/github.com/deepmap/oapi-codegen/pkg/codegen/templates/param-types.tmpl

@@ -0,0 +1,6 @@
+{{range .}}{{$opid := .OperationId}}
+{{range .TypeDefinitions}}
+// {{.TypeName}} defines parameters for {{$opid}}.
+type {{.TypeName}} {{.Schema.TypeDecl}}
+{{end}}
+{{end}}

vendor/github.com/deepmap/oapi-codegen/pkg/codegen/templates/register.tmpl

@@ -0,0 +1,27 @@
+
+
+// This is a simple interface which specifies echo.Route addition functions which
+// are present on both echo.Echo and echo.Group, since we want to allow using
+// either of them for path registration
+type EchoRouter interface {
+	CONNECT(path string, h echo.HandlerFunc, m ...echo.MiddlewareFunc) *echo.Route
+	DELETE(path string, h echo.HandlerFunc, m ...echo.MiddlewareFunc) *echo.Route
+	GET(path string, h echo.HandlerFunc, m ...echo.MiddlewareFunc) *echo.Route
+	HEAD(path string, h echo.HandlerFunc, m ...echo.MiddlewareFunc) *echo.Route
+	OPTIONS(path string, h echo.HandlerFunc, m ...echo.MiddlewareFunc) *echo.Route
+	PATCH(path string, h echo.HandlerFunc, m ...echo.MiddlewareFunc) *echo.Route
+	POST(path string, h echo.HandlerFunc, m ...echo.MiddlewareFunc) *echo.Route
+	PUT(path string, h echo.HandlerFunc, m ...echo.MiddlewareFunc) *echo.Route
+	TRACE(path string, h echo.HandlerFunc, m ...echo.MiddlewareFunc) *echo.Route
+}
+
+// RegisterHandlers adds each server route to the EchoRouter.
+func RegisterHandlers(router EchoRouter, si ServerInterface) {
+{{if .}}
+    wrapper := ServerInterfaceWrapper{
+        Handler: si,
+    }
+{{end}}
+{{range .}}router.{{.Method}}("{{.Path | swaggerUriToEchoUri}}", wrapper.{{.OperationId}})
+{{end}}
+}

vendor/github.com/deepmap/oapi-codegen/pkg/codegen/templates/request-bodies.tmpl

@@ -0,0 +1,6 @@
+{{range .}}{{$opid := .OperationId}}
+{{range .Bodies}}
+// {{$opid}}RequestBody defines body for {{$opid}} for application/json ContentType.
+type {{$opid}}{{.NameTag}}RequestBody {{.TypeDef}}
+{{end}}
+{{end}}

vendor/github.com/deepmap/oapi-codegen/pkg/codegen/templates/server-interface.tmpl

@@ -0,0 +1,7 @@
+// ServerInterface represents all server handlers.
+type ServerInterface interface {
+{{range .}}{{.SummaryAsComment }}
+// ({{.Method}} {{.Path}})
+{{.OperationId}}(ctx echo.Context{{genParamArgs .PathParams}}{{if .RequiresParamObject}}, params {{.OperationId}}Params{{end}}) error
+{{end}}
+}

vendor/github.com/deepmap/oapi-codegen/pkg/codegen/templates/templates.gen.go

@@ -0,0 +1,914 @@
+package templates
+
+import "text/template"
+
+var templates = map[string]string{"additional-properties.tmpl": `{{range .Types}}{{$addType := .Schema.AdditionalPropertiesType.TypeDecl}}
+
+// Getter for additional properties for {{.TypeName}}. Returns the specified
+// element and whether it was found
+func (a {{.TypeName}}) Get(fieldName string) (value {{$addType}}, found bool) {
+    if a.AdditionalProperties != nil {
+        value, found = a.AdditionalProperties[fieldName]
+    }
+    return
+}
+
+// Setter for additional properties for {{.TypeName}}
+func (a *{{.TypeName}}) Set(fieldName string, value {{$addType}}) {
+    if a.AdditionalProperties == nil {
+        a.AdditionalProperties = make(map[string]{{$addType}})
+    }
+    a.AdditionalProperties[fieldName] = value
+}
+
+// Override default JSON handling for {{.TypeName}} to handle AdditionalProperties
+func (a *{{.TypeName}}) UnmarshalJSON(b []byte) error {
+    object := make(map[string]json.RawMessage)
+	err := json.Unmarshal(b, &object)
+	if err != nil {
+		return err
+	}
+{{range .Schema.Properties}}
+    if raw, found := object["{{.JsonFieldName}}"]; found {
+        err = json.Unmarshal(raw, &a.{{.GoFieldName}})
+        if err != nil {
+            return errors.Wrap(err, "error reading '{{.JsonFieldName}}'")
+        }
+        delete(object, "{{.JsonFieldName}}")
+    }
+{{end}}
+    if len(object) != 0 {
+        a.AdditionalProperties = make(map[string]{{$addType}})
+        for fieldName, fieldBuf := range object {
+            var fieldVal {{$addType}}
+            err := json.Unmarshal(fieldBuf, &fieldVal)
+            if err != nil {
+                return errors.Wrap(err, fmt.Sprintf("error unmarshaling field %s", fieldName))
+            }
+            a.AdditionalProperties[fieldName] = fieldVal
+        }
+    }
+	return nil
+}
+
+// Override default JSON handling for {{.TypeName}} to handle AdditionalProperties
+func (a {{.TypeName}}) MarshalJSON() ([]byte, error) {
+    var err error
+    object := make(map[string]json.RawMessage)
+{{range .Schema.Properties}}
+{{if not .Required}}if a.{{.GoFieldName}} != nil { {{end}}
+    object["{{.JsonFieldName}}"], err = json.Marshal(a.{{.GoFieldName}})
+    if err != nil {
+        return nil, errors.Wrap(err, fmt.Sprintf("error marshaling '{{.JsonFieldName}}'"))
+    }
+{{if not .Required}} }{{end}}
+{{end}}
+    for fieldName, field := range a.AdditionalProperties {
+		object[fieldName], err = json.Marshal(field)
+		if err != nil {
+			return nil, errors.Wrap(err, fmt.Sprintf("error marshaling '%s'", fieldName))
+		}
+	}
+	return json.Marshal(object)
+}
+{{end}}
+`,
+	"chi-handler.tmpl": `// Handler creates http.Handler with routing matching OpenAPI spec.
+func Handler(si ServerInterface) http.Handler {
+  return HandlerFromMux(si, chi.NewRouter())
+}
+
+// HandlerFromMux creates http.Handler with routing matching OpenAPI spec based on the provided mux.
+func HandlerFromMux(si ServerInterface, r chi.Router) http.Handler {
+{{if .}}wrapper := ServerInterfaceWrapper{
+        Handler: si,
+    }
+{{end}}
+{{range .}}r.Group(func(r chi.Router) {
+  r.{{.Method | lower | title }}("{{.Path | swaggerUriToChiUri}}", wrapper.{{.OperationId}})
+})
+{{end}}
+  return r
+}
+`,
+	"chi-interface.tmpl": `// ServerInterface represents all server handlers.
+type ServerInterface interface {
+{{range .}}{{.SummaryAsComment }}
+// ({{.Method}} {{.Path}})
+{{.OperationId}}(w http.ResponseWriter, r *http.Request{{genParamArgs .PathParams}}{{if .RequiresParamObject}}, params {{.OperationId}}Params{{end}})
+{{end}}
+}
+`,
+	"chi-middleware.tmpl": `// ServerInterfaceWrapper converts contexts to parameters.
+type ServerInterfaceWrapper struct {
+    Handler ServerInterface
+}
+
+{{range .}}{{$opid := .OperationId}}
+
+// {{$opid}} operation middleware
+func (siw *ServerInterfaceWrapper) {{$opid}}(w http.ResponseWriter, r *http.Request) {
+  ctx := r.Context()
+  {{if or .RequiresParamObject (gt (len .PathParams) 0) }}
+  var err error
+  {{end}}
+
+  {{range .PathParams}}// ------------- Path parameter "{{.ParamName}}" -------------
+  var {{$varName := .GoVariableName}}{{$varName}} {{.TypeDef}}
+
+  {{if .IsPassThrough}}
+  {{$varName}} = chi.URLParam(r, "{{.ParamName}}")
+  {{end}}
+  {{if .IsJson}}
+  err = json.Unmarshal([]byte(chi.URLParam(r, "{{.ParamName}}")), &{{$varName}})
+  if err != nil {
+    http.Error(w, "Error unmarshaling parameter '{{.ParamName}}' as JSON", http.StatusBadRequest)
+    return
+  }
+  {{end}}
+  {{if .IsStyled}}
+  err = runtime.BindStyledParameter("{{.Style}}",{{.Explode}}, "{{.ParamName}}", chi.URLParam(r, "{{.ParamName}}"), &{{$varName}})
+  if err != nil {
+    http.Error(w, fmt.Sprintf("Invalid format for parameter {{.ParamName}}: %s", err), http.StatusBadRequest)
+    return
+  }
+  {{end}}
+
+  {{end}}
+
+{{range .SecurityDefinitions}}
+  ctx = context.WithValue(ctx, "{{.ProviderName}}.Scopes", {{toStringArray .Scopes}})
+{{end}}
+
+  {{if .RequiresParamObject}}
+    // Parameter object where we will unmarshal all parameters from the context
+    var params {{.OperationId}}Params
+
+    {{range $paramIdx, $param := .QueryParams}}// ------------- {{if .Required}}Required{{else}}Optional{{end}} query parameter "{{.ParamName}}" -------------
+      if paramValue := r.URL.Query().Get("{{.ParamName}}"); paramValue != "" {
+
+      {{if .IsPassThrough}}
+        params.{{.GoName}} = {{if not .Required}}&{{end}}paramValue
+      {{end}}
+
+      {{if .IsJson}}
+        var value {{.TypeDef}}
+        err = json.Unmarshal([]byte(paramValue), &value)
+        if err != nil {
+          http.Error(w, "Error unmarshaling parameter '{{.ParamName}}' as JSON", http.StatusBadRequest)
+          return
+        }
+
+        params.{{.GoName}} = {{if not .Required}}&{{end}}value
+      {{end}}
+      }{{if .Required}} else {
+          http.Error(w, "Query argument {{.ParamName}} is required, but not found", http.StatusBadRequest)
+          return
+      }{{end}}
+      {{if .IsStyled}}
+      err = runtime.BindQueryParameter("{{.Style}}", {{.Explode}}, {{.Required}}, "{{.ParamName}}", r.URL.Query(), &params.{{.GoName}})
+      if err != nil {
+        http.Error(w, fmt.Sprintf("Invalid format for parameter {{.ParamName}}: %s", err), http.StatusBadRequest)
+        return
+      }
+      {{end}}
+  {{end}}
+
+    {{if .HeaderParams}}
+      headers := r.Header
+
+      {{range .HeaderParams}}// ------------- {{if .Required}}Required{{else}}Optional{{end}} header parameter "{{.ParamName}}" -------------
+        if valueList, found := headers[http.CanonicalHeaderKey("{{.ParamName}}")]; found {
+          var {{.GoName}} {{.TypeDef}}
+          n := len(valueList)
+          if n != 1 {
+            http.Error(w, fmt.Sprintf("Expected one value for {{.ParamName}}, got %d", n), http.StatusBadRequest)
+            return
+          }
+
+        {{if .IsPassThrough}}
+          params.{{.GoName}} = {{if not .Required}}&{{end}}valueList[0]
+        {{end}}
+
+        {{if .IsJson}}
+          err = json.Unmarshal([]byte(valueList[0]), &{{.GoName}})
+          if err != nil {
+            http.Error(w, "Error unmarshaling parameter '{{.ParamName}}' as JSON", http.StatusBadRequest)
+            return
+          }
+        {{end}}
+
+        {{if .IsStyled}}
+          err = runtime.BindStyledParameter("{{.Style}}",{{.Explode}}, "{{.ParamName}}", valueList[0], &{{.GoName}})
+          if err != nil {
+            http.Error(w, fmt.Sprintf("Invalid format for parameter {{.ParamName}}: %s", err), http.StatusBadRequest)
+            return
+          }
+        {{end}}
+
+          params.{{.GoName}} = {{if not .Required}}&{{end}}{{.GoName}}
+
+        } {{if .Required}}else {
+            http.Error(w, fmt.Sprintf("Header parameter {{.ParamName}} is required, but not found: %s", err), http.StatusBadRequest)
+            return
+        }{{end}}
+
+      {{end}}
+    {{end}}
+
+    {{range .CookieParams}}
+      if cookie, err := r.Cookie("{{.ParamName}}"); err == nil {
+
+      {{- if .IsPassThrough}}
+        params.{{.GoName}} = {{if not .Required}}&{{end}}cookie.Value
+      {{end}}
+
+      {{- if .IsJson}}
+        var value {{.TypeDef}}
+        var decoded string
+        decoded, err := url.QueryUnescape(cookie.Value)
+        if err != nil {
+          http.Error(w, "Error unescaping cookie parameter '{{.ParamName}}'", http.StatusBadRequest)
+          return
+        }
+
+        err = json.Unmarshal([]byte(decoded), &value)
+        if err != nil {
+          http.Error(w, "Error unmarshaling parameter '{{.ParamName}}' as JSON", http.StatusBadRequest)
+          return
+        }
+
+        params.{{.GoName}} = {{if not .Required}}&{{end}}value
+      {{end}}
+
+      {{- if .IsStyled}}
+        var value {{.TypeDef}}
+        err = runtime.BindStyledParameter("simple",{{.Explode}}, "{{.ParamName}}", cookie.Value, &value)
+        if err != nil {
+          http.Error(w, "Invalid format for parameter {{.ParamName}}: %s", http.StatusBadRequest)
+          return
+        }
+        params.{{.GoName}} = {{if not .Required}}&{{end}}value
+      {{end}}
+
+      }
+
+      {{- if .Required}} else {
+        http.Error(w, "Query argument {{.ParamName}} is required, but not found", http.StatusBadRequest)
+        return
+      }
+      {{- end}}
+    {{end}}
+  {{end}}
+  siw.Handler.{{.OperationId}}(w, r.WithContext(ctx){{genParamNames .PathParams}}{{if .RequiresParamObject}}, params{{end}})
+}
+{{end}}
+
+
+
+`,
+	"client-with-responses.tmpl": `// ClientWithResponses builds on ClientInterface to offer response payloads
+type ClientWithResponses struct {
+    ClientInterface
+}
+
+// NewClientWithResponses creates a new ClientWithResponses, which wraps
+// Client with return type handling
+func NewClientWithResponses(server string, opts ...ClientOption) (*ClientWithResponses, error) {
+    client, err := NewClient(server, opts...)
+    if err != nil {
+        return nil, err
+    }
+    return &ClientWithResponses{client}, nil
+}
+
+// WithBaseURL overrides the baseURL.
+func WithBaseURL(baseURL string) ClientOption {
+	return func(c *Client) error {
+		newBaseURL, err := url.Parse(baseURL)
+		if err != nil {
+			return err
+		}
+		c.Server = newBaseURL.String()
+		return nil
+	}
+}
+
+// ClientWithResponsesInterface is the interface specification for the client with responses above.
+type ClientWithResponsesInterface interface {
+{{range . -}}
+{{$hasParams := .RequiresParamObject -}}
+{{$pathParams := .PathParams -}}
+{{$opid := .OperationId -}}
+    // {{$opid}} request {{if .HasBody}} with any body{{end}}
+    {{$opid}}{{if .HasBody}}WithBody{{end}}WithResponse(ctx context.Context{{genParamArgs .PathParams}}{{if .RequiresParamObject}}, params *{{$opid}}Params{{end}}{{if .HasBody}}, contentType string, body io.Reader{{end}}) (*{{genResponseTypeName $opid}}, error)
+{{range .Bodies}}
+    {{$opid}}{{.Suffix}}WithResponse(ctx context.Context{{genParamArgs $pathParams}}{{if $hasParams}}, params *{{$opid}}Params{{end}}, body {{$opid}}{{.NameTag}}RequestBody) (*{{genResponseTypeName $opid}}, error)
+{{end}}{{/* range .Bodies */}}
+{{end}}{{/* range . $opid := .OperationId */}}
+}
+
+{{range .}}{{$opid := .OperationId}}{{$op := .}}
+type {{$opid | ucFirst}}Response struct {
+    Body         []byte
+	HTTPResponse *http.Response
+    {{- range getResponseTypeDefinitions .}}
+    {{.TypeName}} *{{.Schema.TypeDecl}}
+    {{- end}}
+}
+
+// Status returns HTTPResponse.Status
+func (r {{$opid | ucFirst}}Response) Status() string {
+    if r.HTTPResponse != nil {
+        return r.HTTPResponse.Status
+    }
+    return http.StatusText(0)
+}
+
+// StatusCode returns HTTPResponse.StatusCode
+func (r {{$opid | ucFirst}}Response) StatusCode() int {
+    if r.HTTPResponse != nil {
+        return r.HTTPResponse.StatusCode
+    }
+    return 0
+}
+{{end}}
+
+
+{{range .}}
+{{$opid := .OperationId -}}
+{{/* Generate client methods (with responses)*/}}
+
+// {{$opid}}{{if .HasBody}}WithBody{{end}}WithResponse request{{if .HasBody}} with arbitrary body{{end}} returning *{{$opid}}Response
+func (c *ClientWithResponses) {{$opid}}{{if .HasBody}}WithBody{{end}}WithResponse(ctx context.Context{{genParamArgs .PathParams}}{{if .RequiresParamObject}}, params *{{$opid}}Params{{end}}{{if .HasBody}}, contentType string, body io.Reader{{end}}) (*{{genResponseTypeName $opid}}, error){
+    rsp, err := c.{{$opid}}{{if .HasBody}}WithBody{{end}}(ctx{{genParamNames .PathParams}}{{if .RequiresParamObject}}, params{{end}}{{if .HasBody}}, contentType, body{{end}})
+    if err != nil {
+        return nil, err
+    }
+    return Parse{{genResponseTypeName $opid | ucFirst}}(rsp)
+}
+
+{{$hasParams := .RequiresParamObject -}}
+{{$pathParams := .PathParams -}}
+{{$bodyRequired := .BodyRequired -}}
+{{range .Bodies}}
+func (c *ClientWithResponses) {{$opid}}{{.Suffix}}WithResponse(ctx context.Context{{genParamArgs $pathParams}}{{if $hasParams}}, params *{{$opid}}Params{{end}}, body {{$opid}}{{.NameTag}}RequestBody) (*{{genResponseTypeName $opid}}, error) {
+    rsp, err := c.{{$opid}}{{.Suffix}}(ctx{{genParamNames $pathParams}}{{if $hasParams}}, params{{end}}, body)
+    if err != nil {
+        return nil, err
+    }
+    return Parse{{genResponseTypeName $opid | ucFirst}}(rsp)
+}
+{{end}}
+
+{{end}}{{/* operations */}}
+
+{{/* Generate parse functions for responses*/}}
+{{range .}}{{$opid := .OperationId}}
+
+// Parse{{genResponseTypeName $opid | ucFirst}} parses an HTTP response from a {{$opid}}WithResponse call
+func Parse{{genResponseTypeName $opid | ucFirst}}(rsp *http.Response) (*{{genResponseTypeName $opid}}, error) {
+    bodyBytes, err := ioutil.ReadAll(rsp.Body)
+    defer rsp.Body.Close()
+    if err != nil {
+        return nil, err
+    }
+
+    response := {{genResponsePayload $opid}}
+
+    {{genResponseUnmarshal .}}
+
+    return response, nil
+}
+{{end}}{{/* range . $opid := .OperationId */}}
+
+`,
+	"client.tmpl": `// RequestEditorFn  is the function signature for the RequestEditor callback function
+type RequestEditorFn func(ctx context.Context, req *http.Request) error
+
+// Doer performs HTTP requests.
+//
+// The standard http.Client implements this interface.
+type HttpRequestDoer interface {
+	Do(req *http.Request) (*http.Response, error)
+}
+
+// Client which conforms to the OpenAPI3 specification for this service.
+type Client struct {
+	// The endpoint of the server conforming to this interface, with scheme,
+	// https://api.deepmap.com for example.
+	Server string
+
+	// Doer for performing requests, typically a *http.Client with any
+	// customized settings, such as certificate chains.
+	Client HttpRequestDoer
+
+	// A callback for modifying requests which are generated before sending over
+	// the network.
+	RequestEditor RequestEditorFn
+}
+
+// ClientOption allows setting custom parameters during construction
+type ClientOption func(*Client) error
+
+// Creates a new Client, with reasonable defaults
+func NewClient(server string, opts ...ClientOption) (*Client, error) {
+    // create a client with sane default values
+    client := Client{
+        Server: server,
+    }
+    // mutate client and add all optional params
+    for _, o := range opts {
+        if err := o(&client); err != nil {
+            return nil, err
+        }
+    }
+    // ensure the server URL always has a trailing slash
+    if !strings.HasSuffix(client.Server, "/") {
+        client.Server += "/"
+    }
+    // create httpClient, if not already present
+    if client.Client == nil {
+        client.Client = http.DefaultClient
+    }
+    return &client, nil
+}
+
+// WithHTTPClient allows overriding the default Doer, which is
+// automatically created using http.Client. This is useful for tests.
+func WithHTTPClient(doer HttpRequestDoer) ClientOption {
+	return func(c *Client) error {
+		c.Client = doer
+		return nil
+	}
+}
+
+// WithRequestEditorFn allows setting up a callback function, which will be
+// called right before sending the request. This can be used to mutate the request.
+func WithRequestEditorFn(fn RequestEditorFn) ClientOption {
+	return func(c *Client) error {
+		c.RequestEditor = fn
+		return nil
+	}
+}
+
+// The interface specification for the client above.
+type ClientInterface interface {
+{{range . -}}
+{{$hasParams := .RequiresParamObject -}}
+{{$pathParams := .PathParams -}}
+{{$opid := .OperationId -}}
+    // {{$opid}} request {{if .HasBody}} with any body{{end}}
+    {{$opid}}{{if .HasBody}}WithBody{{end}}(ctx context.Context{{genParamArgs $pathParams}}{{if $hasParams}}, params *{{$opid}}Params{{end}}{{if .HasBody}}, contentType string, body io.Reader{{end}}) (*http.Response, error)
+{{range .Bodies}}
+    {{$opid}}{{.Suffix}}(ctx context.Context{{genParamArgs $pathParams}}{{if $hasParams}}, params *{{$opid}}Params{{end}}, body {{$opid}}{{.NameTag}}RequestBody) (*http.Response, error)
+{{end}}{{/* range .Bodies */}}
+{{end}}{{/* range . $opid := .OperationId */}}
+}
+
+
+{{/* Generate client methods */}}
+{{range . -}}
+{{$hasParams := .RequiresParamObject -}}
+{{$pathParams := .PathParams -}}
+{{$opid := .OperationId -}}
+
+func (c *Client) {{$opid}}{{if .HasBody}}WithBody{{end}}(ctx context.Context{{genParamArgs $pathParams}}{{if $hasParams}}, params *{{$opid}}Params{{end}}{{if .HasBody}}, contentType string, body io.Reader{{end}}) (*http.Response, error) {
+    req, err := New{{$opid}}Request{{if .HasBody}}WithBody{{end}}(c.Server{{genParamNames .PathParams}}{{if $hasParams}}, params{{end}}{{if .HasBody}}, contentType, body{{end}})
+    if err != nil {
+        return nil, err
+    }
+    req = req.WithContext(ctx)
+    if c.RequestEditor != nil {
+        err = c.RequestEditor(ctx, req)
+        if err != nil {
+            return nil, err
+        }
+    }
+    return c.Client.Do(req)
+}
+
+{{range .Bodies}}
+func (c *Client) {{$opid}}{{.Suffix}}(ctx context.Context{{genParamArgs $pathParams}}{{if $hasParams}}, params *{{$opid}}Params{{end}}, body {{$opid}}{{.NameTag}}RequestBody) (*http.Response, error) {
+    req, err := New{{$opid}}{{.Suffix}}Request(c.Server{{genParamNames $pathParams}}{{if $hasParams}}, params{{end}}, body)
+    if err != nil {
+        return nil, err
+    }
+    req = req.WithContext(ctx)
+    if c.RequestEditor != nil {
+        err = c.RequestEditor(ctx, req)
+        if err != nil {
+            return nil, err
+        }
+    }
+    return c.Client.Do(req)
+}
+{{end}}{{/* range .Bodies */}}
+{{end}}
+
+{{/* Generate request builders */}}
+{{range .}}
+{{$hasParams := .RequiresParamObject -}}
+{{$pathParams := .PathParams -}}
+{{$bodyRequired := .BodyRequired -}}
+{{$opid := .OperationId -}}
+
+{{range .Bodies}}
+// New{{$opid}}Request{{.Suffix}} calls the generic {{$opid}} builder with {{.ContentType}} body
+func New{{$opid}}Request{{.Suffix}}(server string{{genParamArgs $pathParams}}{{if $hasParams}}, params *{{$opid}}Params{{end}}, body {{$opid}}{{.NameTag}}RequestBody) (*http.Request, error) {
+    var bodyReader io.Reader
+    buf, err := json.Marshal(body)
+    if err != nil {
+        return nil, err
+    }
+    bodyReader = bytes.NewReader(buf)
+    return New{{$opid}}RequestWithBody(server{{genParamNames $pathParams}}{{if $hasParams}}, params{{end}}, "{{.ContentType}}", bodyReader)
+}
+{{end}}
+
+// New{{$opid}}Request{{if .HasBody}}WithBody{{end}} generates requests for {{$opid}}{{if .HasBody}} with any type of body{{end}}
+func New{{$opid}}Request{{if .HasBody}}WithBody{{end}}(server string{{genParamArgs $pathParams}}{{if $hasParams}}, params *{{$opid}}Params{{end}}{{if .HasBody}}, contentType string, body io.Reader{{end}}) (*http.Request, error) {
+    var err error
+{{range $paramIdx, $param := .PathParams}}
+    var pathParam{{$paramIdx}} string
+    {{if .IsPassThrough}}
+    pathParam{{$paramIdx}} = {{.ParamName}}
+    {{end}}
+    {{if .IsJson}}
+    var pathParamBuf{{$paramIdx}} []byte
+    pathParamBuf{{$paramIdx}}, err = json.Marshal({{.ParamName}})
+    if err != nil {
+        return nil, err
+    }
+    pathParam{{$paramIdx}} = string(pathParamBuf{{$paramIdx}})
+    {{end}}
+    {{if .IsStyled}}
+    pathParam{{$paramIdx}}, err = runtime.StyleParam("{{.Style}}", {{.Explode}}, "{{.ParamName}}", {{.GoVariableName}})
+    if err != nil {
+        return nil, err
+    }
+    {{end}}
+{{end}}
+    queryUrl, err := url.Parse(server)
+    if err != nil {
+        return nil, err
+    }
+
+    basePath := fmt.Sprintf("{{genParamFmtString .Path}}"{{range $paramIdx, $param := .PathParams}}, pathParam{{$paramIdx}}{{end}})
+    if basePath[0] == '/' {
+        basePath = basePath[1:]
+    }
+
+    queryUrl, err = queryUrl.Parse(basePath)
+    if err != nil {
+        return nil, err
+    }
+{{if .QueryParams}}
+    queryValues := queryUrl.Query()
+{{range $paramIdx, $param := .QueryParams}}
+    {{if not .Required}} if params.{{.GoName}} != nil { {{end}}
+    {{if .IsPassThrough}}
+    queryValues.Add("{{.ParamName}}", {{if not .Required}}*{{end}}params.{{.GoName}})
+    {{end}}
+    {{if .IsJson}}
+    if queryParamBuf, err := json.Marshal({{if not .Required}}*{{end}}params.{{.GoName}}); err != nil {
+        return nil, err
+    } else {
+        queryValues.Add("{{.ParamName}}", string(queryParamBuf))
+    }
+
+    {{end}}
+    {{if .IsStyled}}
+    if queryFrag, err := runtime.StyleParam("{{.Style}}", {{.Explode}}, "{{.ParamName}}", {{if not .Required}}*{{end}}params.{{.GoName}}); err != nil {
+        return nil, err
+    } else if parsed, err := url.ParseQuery(queryFrag); err != nil {
+       return nil, err
+    } else {
+       for k, v := range parsed {
+           for _, v2 := range v {
+               queryValues.Add(k, v2)
+           }
+       }
+    }
+    {{end}}
+    {{if not .Required}}}{{end}}
+{{end}}
+    queryUrl.RawQuery = queryValues.Encode()
+{{end}}{{/* if .QueryParams */}}
+    req, err := http.NewRequest("{{.Method}}", queryUrl.String(), {{if .HasBody}}body{{else}}nil{{end}})
+    if err != nil {
+        return nil, err
+    }
+
+{{range $paramIdx, $param := .HeaderParams}}
+    {{if not .Required}} if params.{{.GoName}} != nil { {{end}}
+    var headerParam{{$paramIdx}} string
+    {{if .IsPassThrough}}
+    headerParam{{$paramIdx}} = {{if not .Required}}*{{end}}params.{{.GoName}}
+    {{end}}
+    {{if .IsJson}}
+    var headerParamBuf{{$paramIdx}} []byte
+    headerParamBuf{{$paramIdx}}, err = json.Marshal({{if not .Required}}*{{end}}params.{{.GoName}})
+    if err != nil {
+        return nil, err
+    }
+    headerParam{{$paramIdx}} = string(headerParamBuf{{$paramIdx}})
+    {{end}}
+    {{if .IsStyled}}
+    headerParam{{$paramIdx}}, err = runtime.StyleParam("{{.Style}}", {{.Explode}}, "{{.ParamName}}", {{if not .Required}}*{{end}}params.{{.GoName}})
+    if err != nil {
+        return nil, err
+    }
+    {{end}}
+    req.Header.Add("{{.ParamName}}", headerParam{{$paramIdx}})
+    {{if not .Required}}}{{end}}
+{{end}}
+
+{{range $paramIdx, $param := .CookieParams}}
+    {{if not .Required}} if params.{{.GoName}} != nil { {{end}}
+    var cookieParam{{$paramIdx}} string
+    {{if .IsPassThrough}}
+    cookieParam{{$paramIdx}} = {{if not .Required}}*{{end}}params.{{.GoName}}
+    {{end}}
+    {{if .IsJson}}
+    var cookieParamBuf{{$paramIdx}} []byte
+    cookieParamBuf{{$paramIdx}}, err = json.Marshal({{if not .Required}}*{{end}}params.{{.GoName}})
+    if err != nil {
+        return nil, err
+    }
+    cookieParam{{$paramIdx}} = url.QueryEscape(string(cookieParamBuf{{$paramIdx}}))
+    {{end}}
+    {{if .IsStyled}}
+    cookieParam{{$paramIdx}}, err = runtime.StyleParam("simple", {{.Explode}}, "{{.ParamName}}", {{if not .Required}}*{{end}}params.{{.GoName}})
+    if err != nil {
+        return nil, err
+    }
+    {{end}}
+    cookie{{$paramIdx}} := &http.Cookie{
+        Name:"{{.ParamName}}",
+        Value:cookieParam{{$paramIdx}},
+    }
+    req.AddCookie(cookie{{$paramIdx}})
+    {{if not .Required}}}{{end}}
+{{end}}
+    {{if .HasBody}}req.Header.Add("Content-Type", contentType){{end}}
+    return req, nil
+}
+
+{{end}}{{/* Range */}}
+`,
+	"imports.tmpl": `// Package {{.PackageName}} provides primitives to interact the openapi HTTP API.
+//
+// Code generated by github.com/deepmap/oapi-codegen DO NOT EDIT.
+package {{.PackageName}}
+
+{{if .Imports}}
+import (
+{{range .Imports}} {{ . }}
+{{end}})
+{{end}}
+`,
+	"inline.tmpl": `// Base64 encoded, gzipped, json marshaled Swagger object
+var swaggerSpec = []string{
+{{range .}}
+    "{{.}}",{{end}}
+}
+
+// GetSwagger returns the Swagger specification corresponding to the generated code
+// in this file.
+func GetSwagger() (*openapi3.Swagger, error) {
+    zipped, err := base64.StdEncoding.DecodeString(strings.Join(swaggerSpec, ""))
+    if err != nil {
+        return nil, fmt.Errorf("error base64 decoding spec: %s", err)
+    }
+    zr, err := gzip.NewReader(bytes.NewReader(zipped))
+    if err != nil {
+        return nil, fmt.Errorf("error decompressing spec: %s", err)
+    }
+    var buf bytes.Buffer
+    _, err = buf.ReadFrom(zr)
+    if err != nil {
+        return nil, fmt.Errorf("error decompressing spec: %s", err)
+    }
+
+    swagger, err := openapi3.NewSwaggerLoader().LoadSwaggerFromData(buf.Bytes())
+    if err != nil {
+        return nil, fmt.Errorf("error loading Swagger: %s", err)
+    }
+    return swagger, nil
+}
+`,
+	"param-types.tmpl": `{{range .}}{{$opid := .OperationId}}
+{{range .TypeDefinitions}}
+// {{.TypeName}} defines parameters for {{$opid}}.
+type {{.TypeName}} {{.Schema.TypeDecl}}
+{{end}}
+{{end}}
+`,
+	"register.tmpl": `
+
+// This is a simple interface which specifies echo.Route addition functions which
+// are present on both echo.Echo and echo.Group, since we want to allow using
+// either of them for path registration
+type EchoRouter interface {
+	CONNECT(path string, h echo.HandlerFunc, m ...echo.MiddlewareFunc) *echo.Route
+	DELETE(path string, h echo.HandlerFunc, m ...echo.MiddlewareFunc) *echo.Route
+	GET(path string, h echo.HandlerFunc, m ...echo.MiddlewareFunc) *echo.Route
+	HEAD(path string, h echo.HandlerFunc, m ...echo.MiddlewareFunc) *echo.Route
+	OPTIONS(path string, h echo.HandlerFunc, m ...echo.MiddlewareFunc) *echo.Route
+	PATCH(path string, h echo.HandlerFunc, m ...echo.MiddlewareFunc) *echo.Route
+	POST(path string, h echo.HandlerFunc, m ...echo.MiddlewareFunc) *echo.Route
+	PUT(path string, h echo.HandlerFunc, m ...echo.MiddlewareFunc) *echo.Route
+	TRACE(path string, h echo.HandlerFunc, m ...echo.MiddlewareFunc) *echo.Route
+}
+
+// RegisterHandlers adds each server route to the EchoRouter.
+func RegisterHandlers(router EchoRouter, si ServerInterface) {
+{{if .}}
+    wrapper := ServerInterfaceWrapper{
+        Handler: si,
+    }
+{{end}}
+{{range .}}router.{{.Method}}("{{.Path | swaggerUriToEchoUri}}", wrapper.{{.OperationId}})
+{{end}}
+}
+`,
+	"request-bodies.tmpl": `{{range .}}{{$opid := .OperationId}}
+{{range .Bodies}}
+// {{$opid}}RequestBody defines body for {{$opid}} for application/json ContentType.
+type {{$opid}}{{.NameTag}}RequestBody {{.TypeDef}}
+{{end}}
+{{end}}
+`,
+	"server-interface.tmpl": `// ServerInterface represents all server handlers.
+type ServerInterface interface {
+{{range .}}{{.SummaryAsComment }}
+// ({{.Method}} {{.Path}})
+{{.OperationId}}(ctx echo.Context{{genParamArgs .PathParams}}{{if .RequiresParamObject}}, params {{.OperationId}}Params{{end}}) error
+{{end}}
+}
+`,
+	"typedef.tmpl": `{{range .Types}}
+// {{.TypeName}} defines model for {{.JsonName}}.
+type {{.TypeName}} {{.Schema.TypeDecl}}
+{{- if gt (len .Schema.EnumValues) 0 }}
+// List of {{ .TypeName }}
+const (
+	{{- $typeName := .TypeName }}
+    {{- range $key, $value := .Schema.EnumValues }}
+    {{ $typeName }}_{{ $key }} {{ $typeName }} = "{{ $value }}"
+    {{- end }}
+)
+{{- end }}
+{{end}}
+`,
+	"wrappers.tmpl": `// ServerInterfaceWrapper converts echo contexts to parameters.
+type ServerInterfaceWrapper struct {
+    Handler ServerInterface
+}
+
+{{range .}}{{$opid := .OperationId}}// {{$opid}} converts echo context to params.
+func (w *ServerInterfaceWrapper) {{.OperationId}} (ctx echo.Context) error {
+    var err error
+{{range .PathParams}}// ------------- Path parameter "{{.ParamName}}" -------------
+    var {{$varName := .GoVariableName}}{{$varName}} {{.TypeDef}}
+{{if .IsPassThrough}}
+    {{$varName}} = ctx.Param("{{.ParamName}}")
+{{end}}
+{{if .IsJson}}
+    err = json.Unmarshal([]byte(ctx.Param("{{.ParamName}}")), &{{$varName}})
+    if err != nil {
+        return echo.NewHTTPError(http.StatusBadRequest, "Error unmarshaling parameter '{{.ParamName}}' as JSON")
+    }
+{{end}}
+{{if .IsStyled}}
+    err = runtime.BindStyledParameter("{{.Style}}",{{.Explode}}, "{{.ParamName}}", ctx.Param("{{.ParamName}}"), &{{$varName}})
+    if err != nil {
+        return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Invalid format for parameter {{.ParamName}}: %s", err))
+    }
+{{end}}
+{{end}}
+
+{{range .SecurityDefinitions}}
+    ctx.Set("{{.ProviderName}}.Scopes", {{toStringArray .Scopes}})
+{{end}}
+
+{{if .RequiresParamObject}}
+    // Parameter object where we will unmarshal all parameters from the context
+    var params {{.OperationId}}Params
+{{range $paramIdx, $param := .QueryParams}}// ------------- {{if .Required}}Required{{else}}Optional{{end}} query parameter "{{.ParamName}}" -------------
+    {{if .IsStyled}}
+    err = runtime.BindQueryParameter("{{.Style}}", {{.Explode}}, {{.Required}}, "{{.ParamName}}", ctx.QueryParams(), &params.{{.GoName}})
+    if err != nil {
+        return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Invalid format for parameter {{.ParamName}}: %s", err))
+    }
+    {{else}}
+    if paramValue := ctx.QueryParam("{{.ParamName}}"); paramValue != "" {
+    {{if .IsPassThrough}}
+    params.{{.GoName}} = {{if not .Required}}&{{end}}paramValue
+    {{end}}
+    {{if .IsJson}}
+    var value {{.TypeDef}}
+    err = json.Unmarshal([]byte(paramValue), &value)
+    if err != nil {
+        return echo.NewHTTPError(http.StatusBadRequest, "Error unmarshaling parameter '{{.ParamName}}' as JSON")
+    }
+    params.{{.GoName}} = {{if not .Required}}&{{end}}value
+    {{end}}
+    }{{if .Required}} else {
+        return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Query argument {{.ParamName}} is required, but not found"))
+    }{{end}}
+    {{end}}
+{{end}}
+
+{{if .HeaderParams}}
+    headers := ctx.Request().Header
+{{range .HeaderParams}}// ------------- {{if .Required}}Required{{else}}Optional{{end}} header parameter "{{.ParamName}}" -------------
+    if valueList, found := headers[http.CanonicalHeaderKey("{{.ParamName}}")]; found {
+        var {{.GoName}} {{.TypeDef}}
+        n := len(valueList)
+        if n != 1 {
+            return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Expected one value for {{.ParamName}}, got %d", n))
+        }
+{{if .IsPassThrough}}
+        params.{{.GoName}} = {{if not .Required}}&{{end}}valueList[0]
+{{end}}
+{{if .IsJson}}
+        err = json.Unmarshal([]byte(valueList[0]), &{{.GoName}})
+        if err != nil {
+            return echo.NewHTTPError(http.StatusBadRequest, "Error unmarshaling parameter '{{.ParamName}}' as JSON")
+        }
+{{end}}
+{{if .IsStyled}}
+        err = runtime.BindStyledParameter("{{.Style}}",{{.Explode}}, "{{.ParamName}}", valueList[0], &{{.GoName}})
+        if err != nil {
+            return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Invalid format for parameter {{.ParamName}}: %s", err))
+        }
+{{end}}
+        params.{{.GoName}} = {{if not .Required}}&{{end}}{{.GoName}}
+        } {{if .Required}}else {
+            return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Header parameter {{.ParamName}} is required, but not found"))
+        }{{end}}
+{{end}}
+{{end}}
+
+{{range .CookieParams}}
+    if cookie, err := ctx.Cookie("{{.ParamName}}"); err == nil {
+    {{if .IsPassThrough}}
+    params.{{.GoName}} = {{if not .Required}}&{{end}}cookie.Value
+    {{end}}
+    {{if .IsJson}}
+    var value {{.TypeDef}}
+    var decoded string
+    decoded, err := url.QueryUnescape(cookie.Value)
+    if err != nil {
+        return echo.NewHTTPError(http.StatusBadRequest, "Error unescaping cookie parameter '{{.ParamName}}'")
+    }
+    err = json.Unmarshal([]byte(decoded), &value)
+    if err != nil {
+        return echo.NewHTTPError(http.StatusBadRequest, "Error unmarshaling parameter '{{.ParamName}}' as JSON")
+    }
+    params.{{.GoName}} = {{if not .Required}}&{{end}}value
+    {{end}}
+    {{if .IsStyled}}
+    var value {{.TypeDef}}
+    err = runtime.BindStyledParameter("simple",{{.Explode}}, "{{.ParamName}}", cookie.Value, &value)
+    if err != nil {
+        return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Invalid format for parameter {{.ParamName}}: %s", err))
+    }
+    params.{{.GoName}} = {{if not .Required}}&{{end}}value
+    {{end}}
+    }{{if .Required}} else {
+        return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Query argument {{.ParamName}} is required, but not found"))
+    }{{end}}
+
+{{end}}{{/* .CookieParams */}}
+
+{{end}}{{/* .RequiresParamObject */}}
+    // Invoke the callback with all the unmarshalled arguments
+    err = w.Handler.{{.OperationId}}(ctx{{genParamNames .PathParams}}{{if .RequiresParamObject}}, params{{end}})
+    return err
+}
+{{end}}
+`,
+}
+
+// Parse parses declared templates.
+func Parse(t *template.Template) (*template.Template, error) {
+	for name, s := range templates {
+		var tmpl *template.Template
+		if t == nil {
+			t = template.New(name)
+		}
+		if name == t.Name() {
+			tmpl = t
+		} else {
+			tmpl = t.New(name)
+		}
+		if _, err := tmpl.Parse(s); err != nil {
+			return nil, err
+		}
+	}
+	return t, nil
+}
+

vendor/github.com/deepmap/oapi-codegen/pkg/codegen/templates/typedef.tmpl

@@ -0,0 +1,13 @@
+{{range .Types}}
+// {{.TypeName}} defines model for {{.JsonName}}.
+type {{.TypeName}} {{.Schema.TypeDecl}}
+{{- if gt (len .Schema.EnumValues) 0 }}
+// List of {{ .TypeName }}
+const (
+	{{- $typeName := .TypeName }}
+    {{- range $key, $value := .Schema.EnumValues }}
+    {{ $typeName }}_{{ $key }} {{ $typeName }} = "{{ $value }}"
+    {{- end }}
+)
+{{- end }}
+{{end}}

vendor/github.com/deepmap/oapi-codegen/pkg/codegen/templates/wrappers.tmpl

@@ -0,0 +1,128 @@
+// ServerInterfaceWrapper converts echo contexts to parameters.
+type ServerInterfaceWrapper struct {
+    Handler ServerInterface
+}
+
+{{range .}}{{$opid := .OperationId}}// {{$opid}} converts echo context to params.
+func (w *ServerInterfaceWrapper) {{.OperationId}} (ctx echo.Context) error {
+    var err error
+{{range .PathParams}}// ------------- Path parameter "{{.ParamName}}" -------------
+    var {{$varName := .GoVariableName}}{{$varName}} {{.TypeDef}}
+{{if .IsPassThrough}}
+    {{$varName}} = ctx.Param("{{.ParamName}}")
+{{end}}
+{{if .IsJson}}
+    err = json.Unmarshal([]byte(ctx.Param("{{.ParamName}}")), &{{$varName}})
+    if err != nil {
+        return echo.NewHTTPError(http.StatusBadRequest, "Error unmarshaling parameter '{{.ParamName}}' as JSON")
+    }
+{{end}}
+{{if .IsStyled}}
+    err = runtime.BindStyledParameter("{{.Style}}",{{.Explode}}, "{{.ParamName}}", ctx.Param("{{.ParamName}}"), &{{$varName}})
+    if err != nil {
+        return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Invalid format for parameter {{.ParamName}}: %s", err))
+    }
+{{end}}
+{{end}}
+
+{{range .SecurityDefinitions}}
+    ctx.Set("{{.ProviderName}}.Scopes", {{toStringArray .Scopes}})
+{{end}}
+
+{{if .RequiresParamObject}}
+    // Parameter object where we will unmarshal all parameters from the context
+    var params {{.OperationId}}Params
+{{range $paramIdx, $param := .QueryParams}}// ------------- {{if .Required}}Required{{else}}Optional{{end}} query parameter "{{.ParamName}}" -------------
+    {{if .IsStyled}}
+    err = runtime.BindQueryParameter("{{.Style}}", {{.Explode}}, {{.Required}}, "{{.ParamName}}", ctx.QueryParams(), &params.{{.GoName}})
+    if err != nil {
+        return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Invalid format for parameter {{.ParamName}}: %s", err))
+    }
+    {{else}}
+    if paramValue := ctx.QueryParam("{{.ParamName}}"); paramValue != "" {
+    {{if .IsPassThrough}}
+    params.{{.GoName}} = {{if not .Required}}&{{end}}paramValue
+    {{end}}
+    {{if .IsJson}}
+    var value {{.TypeDef}}
+    err = json.Unmarshal([]byte(paramValue), &value)
+    if err != nil {
+        return echo.NewHTTPError(http.StatusBadRequest, "Error unmarshaling parameter '{{.ParamName}}' as JSON")
+    }
+    params.{{.GoName}} = {{if not .Required}}&{{end}}value
+    {{end}}
+    }{{if .Required}} else {
+        return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Query argument {{.ParamName}} is required, but not found"))
+    }{{end}}
+    {{end}}
+{{end}}
+
+{{if .HeaderParams}}
+    headers := ctx.Request().Header
+{{range .HeaderParams}}// ------------- {{if .Required}}Required{{else}}Optional{{end}} header parameter "{{.ParamName}}" -------------
+    if valueList, found := headers[http.CanonicalHeaderKey("{{.ParamName}}")]; found {
+        var {{.GoName}} {{.TypeDef}}
+        n := len(valueList)
+        if n != 1 {
+            return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Expected one value for {{.ParamName}}, got %d", n))
+        }
+{{if .IsPassThrough}}
+        params.{{.GoName}} = {{if not .Required}}&{{end}}valueList[0]
+{{end}}
+{{if .IsJson}}
+        err = json.Unmarshal([]byte(valueList[0]), &{{.GoName}})
+        if err != nil {
+            return echo.NewHTTPError(http.StatusBadRequest, "Error unmarshaling parameter '{{.ParamName}}' as JSON")
+        }
+{{end}}
+{{if .IsStyled}}
+        err = runtime.BindStyledParameter("{{.Style}}",{{.Explode}}, "{{.ParamName}}", valueList[0], &{{.GoName}})
+        if err != nil {
+            return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Invalid format for parameter {{.ParamName}}: %s", err))
+        }
+{{end}}
+        params.{{.GoName}} = {{if not .Required}}&{{end}}{{.GoName}}
+        } {{if .Required}}else {
+            return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Header parameter {{.ParamName}} is required, but not found"))
+        }{{end}}
+{{end}}
+{{end}}
+
+{{range .CookieParams}}
+    if cookie, err := ctx.Cookie("{{.ParamName}}"); err == nil {
+    {{if .IsPassThrough}}
+    params.{{.GoName}} = {{if not .Required}}&{{end}}cookie.Value
+    {{end}}
+    {{if .IsJson}}
+    var value {{.TypeDef}}
+    var decoded string
+    decoded, err := url.QueryUnescape(cookie.Value)
+    if err != nil {
+        return echo.NewHTTPError(http.StatusBadRequest, "Error unescaping cookie parameter '{{.ParamName}}'")
+    }
+    err = json.Unmarshal([]byte(decoded), &value)
+    if err != nil {
+        return echo.NewHTTPError(http.StatusBadRequest, "Error unmarshaling parameter '{{.ParamName}}' as JSON")
+    }
+    params.{{.GoName}} = {{if not .Required}}&{{end}}value
+    {{end}}
+    {{if .IsStyled}}
+    var value {{.TypeDef}}
+    err = runtime.BindStyledParameter("simple",{{.Explode}}, "{{.ParamName}}", cookie.Value, &value)
+    if err != nil {
+        return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Invalid format for parameter {{.ParamName}}: %s", err))
+    }
+    params.{{.GoName}} = {{if not .Required}}&{{end}}value
+    {{end}}
+    }{{if .Required}} else {
+        return echo.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Query argument {{.ParamName}} is required, but not found"))
+    }{{end}}
+
+{{end}}{{/* .CookieParams */}}
+
+{{end}}{{/* .RequiresParamObject */}}
+    // Invoke the callback with all the unmarshalled arguments
+    err = w.Handler.{{.OperationId}}(ctx{{genParamNames .PathParams}}{{if .RequiresParamObject}}, params{{end}})
+    return err
+}
+{{end}}