mirror of
https://codeberg.org/forgejo/forgejo.git
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399 lines
11 KiB
Go
399 lines
11 KiB
Go
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// Copyright 2015 go-swagger maintainers
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package spec
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import (
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"bytes"
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"encoding/gob"
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"encoding/json"
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"sort"
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"github.com/go-openapi/jsonpointer"
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"github.com/go-openapi/swag"
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)
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func init() {
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//gob.Register(map[string][]interface{}{})
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gob.Register(map[string]interface{}{})
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gob.Register([]interface{}{})
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}
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// OperationProps describes an operation
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//
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// NOTES:
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// - schemes, when present must be from [http, https, ws, wss]: see validate
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// - Security is handled as a special case: see MarshalJSON function
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type OperationProps struct {
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Description string `json:"description,omitempty"`
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Consumes []string `json:"consumes,omitempty"`
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Produces []string `json:"produces,omitempty"`
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Schemes []string `json:"schemes,omitempty"`
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Tags []string `json:"tags,omitempty"`
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Summary string `json:"summary,omitempty"`
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ExternalDocs *ExternalDocumentation `json:"externalDocs,omitempty"`
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ID string `json:"operationId,omitempty"`
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Deprecated bool `json:"deprecated,omitempty"`
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Security []map[string][]string `json:"security,omitempty"`
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Parameters []Parameter `json:"parameters,omitempty"`
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Responses *Responses `json:"responses,omitempty"`
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}
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// MarshalJSON takes care of serializing operation properties to JSON
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//
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// We use a custom marhaller here to handle a special cases related to
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// the Security field. We need to preserve zero length slice
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// while omitting the field when the value is nil/unset.
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func (op OperationProps) MarshalJSON() ([]byte, error) {
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type Alias OperationProps
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if op.Security == nil {
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return json.Marshal(&struct {
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Security []map[string][]string `json:"security,omitempty"`
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*Alias
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}{
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Security: op.Security,
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Alias: (*Alias)(&op),
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})
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}
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return json.Marshal(&struct {
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Security []map[string][]string `json:"security"`
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*Alias
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}{
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Security: op.Security,
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Alias: (*Alias)(&op),
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})
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}
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// Operation describes a single API operation on a path.
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//
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// For more information: http://goo.gl/8us55a#operationObject
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type Operation struct {
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VendorExtensible
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OperationProps
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}
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// SuccessResponse gets a success response model
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func (o *Operation) SuccessResponse() (*Response, int, bool) {
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if o.Responses == nil {
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return nil, 0, false
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}
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responseCodes := make([]int, 0, len(o.Responses.StatusCodeResponses))
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for k := range o.Responses.StatusCodeResponses {
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if k >= 200 && k < 300 {
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responseCodes = append(responseCodes, k)
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}
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}
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if len(responseCodes) > 0 {
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sort.Ints(responseCodes)
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v := o.Responses.StatusCodeResponses[responseCodes[0]]
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return &v, responseCodes[0], true
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}
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return o.Responses.Default, 0, false
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}
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// JSONLookup look up a value by the json property name
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func (o Operation) JSONLookup(token string) (interface{}, error) {
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if ex, ok := o.Extensions[token]; ok {
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return &ex, nil
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}
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r, _, err := jsonpointer.GetForToken(o.OperationProps, token)
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return r, err
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}
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// UnmarshalJSON hydrates this items instance with the data from JSON
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func (o *Operation) UnmarshalJSON(data []byte) error {
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if err := json.Unmarshal(data, &o.OperationProps); err != nil {
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return err
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}
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return json.Unmarshal(data, &o.VendorExtensible)
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}
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// MarshalJSON converts this items object to JSON
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func (o Operation) MarshalJSON() ([]byte, error) {
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b1, err := json.Marshal(o.OperationProps)
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if err != nil {
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return nil, err
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}
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b2, err := json.Marshal(o.VendorExtensible)
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if err != nil {
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return nil, err
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}
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concated := swag.ConcatJSON(b1, b2)
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return concated, nil
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}
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// NewOperation creates a new operation instance.
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// It expects an ID as parameter but not passing an ID is also valid.
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func NewOperation(id string) *Operation {
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op := new(Operation)
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op.ID = id
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return op
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}
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// WithID sets the ID property on this operation, allows for chaining.
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func (o *Operation) WithID(id string) *Operation {
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o.ID = id
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return o
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}
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// WithDescription sets the description on this operation, allows for chaining
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func (o *Operation) WithDescription(description string) *Operation {
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o.Description = description
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return o
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}
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// WithSummary sets the summary on this operation, allows for chaining
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func (o *Operation) WithSummary(summary string) *Operation {
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o.Summary = summary
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return o
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}
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// WithExternalDocs sets/removes the external docs for/from this operation.
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// When you pass empty strings as params the external documents will be removed.
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// When you pass non-empty string as one value then those values will be used on the external docs object.
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// So when you pass a non-empty description, you should also pass the url and vice versa.
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func (o *Operation) WithExternalDocs(description, url string) *Operation {
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if description == "" && url == "" {
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o.ExternalDocs = nil
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return o
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}
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if o.ExternalDocs == nil {
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o.ExternalDocs = &ExternalDocumentation{}
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}
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o.ExternalDocs.Description = description
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o.ExternalDocs.URL = url
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return o
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}
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// Deprecate marks the operation as deprecated
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func (o *Operation) Deprecate() *Operation {
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o.Deprecated = true
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return o
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}
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// Undeprecate marks the operation as not deprected
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func (o *Operation) Undeprecate() *Operation {
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o.Deprecated = false
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return o
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}
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// WithConsumes adds media types for incoming body values
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func (o *Operation) WithConsumes(mediaTypes ...string) *Operation {
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o.Consumes = append(o.Consumes, mediaTypes...)
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return o
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}
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// WithProduces adds media types for outgoing body values
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func (o *Operation) WithProduces(mediaTypes ...string) *Operation {
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o.Produces = append(o.Produces, mediaTypes...)
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return o
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}
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// WithTags adds tags for this operation
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func (o *Operation) WithTags(tags ...string) *Operation {
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o.Tags = append(o.Tags, tags...)
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return o
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}
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// AddParam adds a parameter to this operation, when a parameter for that location
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// and with that name already exists it will be replaced
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func (o *Operation) AddParam(param *Parameter) *Operation {
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if param == nil {
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return o
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}
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for i, p := range o.Parameters {
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if p.Name == param.Name && p.In == param.In {
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params := append(o.Parameters[:i], *param)
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params = append(params, o.Parameters[i+1:]...)
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o.Parameters = params
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return o
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}
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}
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o.Parameters = append(o.Parameters, *param)
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return o
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}
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// RemoveParam removes a parameter from the operation
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func (o *Operation) RemoveParam(name, in string) *Operation {
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for i, p := range o.Parameters {
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if p.Name == name && p.In == in {
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o.Parameters = append(o.Parameters[:i], o.Parameters[i+1:]...)
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return o
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}
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}
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return o
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}
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// SecuredWith adds a security scope to this operation.
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func (o *Operation) SecuredWith(name string, scopes ...string) *Operation {
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o.Security = append(o.Security, map[string][]string{name: scopes})
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return o
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}
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// WithDefaultResponse adds a default response to the operation.
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// Passing a nil value will remove the response
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func (o *Operation) WithDefaultResponse(response *Response) *Operation {
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return o.RespondsWith(0, response)
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}
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// RespondsWith adds a status code response to the operation.
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// When the code is 0 the value of the response will be used as default response value.
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// When the value of the response is nil it will be removed from the operation
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func (o *Operation) RespondsWith(code int, response *Response) *Operation {
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if o.Responses == nil {
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o.Responses = new(Responses)
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}
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if code == 0 {
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o.Responses.Default = response
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return o
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}
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if response == nil {
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delete(o.Responses.StatusCodeResponses, code)
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return o
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}
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if o.Responses.StatusCodeResponses == nil {
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o.Responses.StatusCodeResponses = make(map[int]Response)
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}
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o.Responses.StatusCodeResponses[code] = *response
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return o
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}
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type opsAlias OperationProps
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type gobAlias struct {
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Security []map[string]struct {
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List []string
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Pad bool
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}
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Alias *opsAlias
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SecurityIsEmpty bool
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}
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// GobEncode provides a safe gob encoder for Operation, including empty security requirements
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func (o Operation) GobEncode() ([]byte, error) {
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raw := struct {
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Ext VendorExtensible
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Props OperationProps
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}{
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Ext: o.VendorExtensible,
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Props: o.OperationProps,
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}
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var b bytes.Buffer
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err := gob.NewEncoder(&b).Encode(raw)
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return b.Bytes(), err
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}
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// GobDecode provides a safe gob decoder for Operation, including empty security requirements
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func (o *Operation) GobDecode(b []byte) error {
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var raw struct {
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Ext VendorExtensible
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Props OperationProps
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}
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buf := bytes.NewBuffer(b)
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err := gob.NewDecoder(buf).Decode(&raw)
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if err != nil {
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return err
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}
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o.VendorExtensible = raw.Ext
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o.OperationProps = raw.Props
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return nil
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}
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// GobEncode provides a safe gob encoder for Operation, including empty security requirements
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func (op OperationProps) GobEncode() ([]byte, error) {
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raw := gobAlias{
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Alias: (*opsAlias)(&op),
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}
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var b bytes.Buffer
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if op.Security == nil {
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// nil security requirement
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err := gob.NewEncoder(&b).Encode(raw)
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return b.Bytes(), err
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}
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if len(op.Security) == 0 {
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// empty, but non-nil security requirement
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raw.SecurityIsEmpty = true
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raw.Alias.Security = nil
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err := gob.NewEncoder(&b).Encode(raw)
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return b.Bytes(), err
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}
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raw.Security = make([]map[string]struct {
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List []string
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Pad bool
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}, 0, len(op.Security))
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for _, req := range op.Security {
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v := make(map[string]struct {
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List []string
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Pad bool
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}, len(req))
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for k, val := range req {
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v[k] = struct {
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List []string
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Pad bool
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}{
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List: val,
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}
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}
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raw.Security = append(raw.Security, v)
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}
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err := gob.NewEncoder(&b).Encode(raw)
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return b.Bytes(), err
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}
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// GobDecode provides a safe gob decoder for Operation, including empty security requirements
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func (op *OperationProps) GobDecode(b []byte) error {
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var raw gobAlias
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buf := bytes.NewBuffer(b)
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err := gob.NewDecoder(buf).Decode(&raw)
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if err != nil {
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return err
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}
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if raw.Alias == nil {
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return nil
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}
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switch {
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case raw.SecurityIsEmpty:
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// empty, but non-nil security requirement
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raw.Alias.Security = []map[string][]string{}
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case len(raw.Alias.Security) == 0:
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// nil security requirement
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raw.Alias.Security = nil
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default:
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raw.Alias.Security = make([]map[string][]string, 0, len(raw.Security))
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for _, req := range raw.Security {
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v := make(map[string][]string, len(req))
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for k, val := range req {
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v[k] = make([]string, 0, len(val.List))
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v[k] = append(v[k], val.List...)
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}
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raw.Alias.Security = append(raw.Alias.Security, v)
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}
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}
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*op = *(*OperationProps)(raw.Alias)
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return nil
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}
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