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package afrikpay |
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import ( |
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"bytes" |
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"context" |
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"crypto/md5" |
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"encoding/hex" |
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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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"strings" |
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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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apiKey string |
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agentID string |
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agentPlatform string |
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agentPassword string |
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Airtime *airtimeService |
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Account *accountService |
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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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baseURL: config.baseURL, |
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apiKey: config.apiKey, |
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agentID: config.agentID, |
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agentPlatform: config.agentPlatform, |
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agentPassword: config.agentPassword, |
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} |
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client.common.client = client |
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client.Airtime = (*airtimeService)(&client.common) |
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client.Account = (*accountService)(&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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return req, nil |
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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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if req == nil { |
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return nil, fmt.Errorf("%T cannot be nil", req) |
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} |
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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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// hash does md5 hash of parameters |
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func (client *Client) hash(params ...string) string { |
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sum := md5.Sum([]byte(strings.Join(params, ""))) |
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return hex.EncodeToString(sum[:]) |
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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 /
afrikpay-go
