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package mtnmomo |
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import ( |
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"bytes" |
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"context" |
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"encoding/json" |
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"fmt" |
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"io" |
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"io/ioutil" |
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"net/http" |
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) |
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const ( |
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subscriptionKeyHeaderKey = "Ocp-Apim-Subscription-Key" |
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) |
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type service struct { |
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client *Client |
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} |
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// Client is the campay API client. |
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// Do not instantiate this client with Client{}. Use the New method instead. |
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type Client struct { |
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httpClient *http.Client |
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common service |
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baseURL string |
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subscriptionKey string |
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collectionToken string |
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collectionTokenExpiresAt int64 |
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apiUser string |
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apiKey string |
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APIUser *apiUserService |
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Collection *collectionService |
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} |
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// New creates and returns a new campay.Client from a slice of campay.ClientOption. |
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func New(options ...Option) *Client { |
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config := defaultClientConfig() |
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for _, option := range options { |
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option.apply(config) |
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} |
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client := &Client{ |
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httpClient: config.httpClient, |
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subscriptionKey: config.subscriptionKey, |
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baseURL: config.baseURL, |
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apiKey: config.apiKey, |
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apiUser: config.apiUser, |
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} |
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client.common.client = client |
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client.APIUser = (*apiUserService)(&client.common) |
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client.Collection = (*collectionService)(&client.common) |
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return client |
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} |
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// newRequest creates an API request. A relative URL can be provided in uri, |
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// in which case it is resolved relative to the BaseURL of the Client. |
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// URI's should always be specified without a preceding slash. |
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func (client *Client) newRequest(ctx context.Context, method, uri string, body interface{}) (*http.Request, error) { |
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var buf io.ReadWriter |
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if body != nil { |
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buf = &bytes.Buffer{} |
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enc := json.NewEncoder(buf) |
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enc.SetEscapeHTML(false) |
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err := enc.Encode(body) |
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if err != nil { |
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return nil, err |
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} |
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} |
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req, err := http.NewRequestWithContext(ctx, method, client.baseURL+uri, buf) |
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if err != nil { |
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return nil, err |
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} |
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req.Header.Set("Content-Type", "application/json") |
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req.Header.Set("Accept", "application/json") |
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req.Header.Set(subscriptionKeyHeaderKey, client.subscriptionKey) |
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return req, nil |
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} |
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/* |
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// addURLParams adds urls parameters to an *http.Request |
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func (client *Client) addURLParams(request *http.Request, params map[string]string) *http.Request { |
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q := request.URL.Query() |
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for key, value := range params { |
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q.Add(key, value) |
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} |
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request.URL.RawQuery = q.Encode() |
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return request |
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} |
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*/ |
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func (client *Client) addBasicAuth(request *http.Request) *http.Request { |
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request.SetBasicAuth(client.apiUser, client.apiKey) |
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return request |
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} |
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// do carries out an HTTP request and returns a Response |
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func (client *Client) do(req *http.Request) (*Response, error) { |
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httpResponse, err := client.httpClient.Do(req) |
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if err != nil { |
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return nil, err |
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} |
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defer func() { _ = httpResponse.Body.Close() }() |
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resp, err := client.newResponse(httpResponse) |
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if err != nil { |
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return resp, err |
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} |
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_, err = io.Copy(ioutil.Discard, httpResponse.Body) |
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if err != nil { |
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return resp, err |
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} |
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return resp, nil |
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} |
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// newResponse converts an *http.Response to *Response |
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func (client *Client) newResponse(httpResponse *http.Response) (*Response, error) { |
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if httpResponse == nil { |
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return nil, fmt.Errorf("%T cannot be nil", httpResponse) |
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} |
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resp := new(Response) |
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resp.HTTPResponse = httpResponse |
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buf, err := ioutil.ReadAll(resp.HTTPResponse.Body) |
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if err != nil { |
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return nil, err |
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} |
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resp.Body = &buf |
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return resp, resp.Error() |
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} |
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NdoleStudio /
mtnmomo-go
