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package mtnmomo |
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import ( |
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"context" |
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"encoding/json" |
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"net/http" |
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"time" |
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) |
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// disbursementService is the API client for the `/disbursement` endpoint |
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type disbursementsService service |
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// Token is used to create an access token which can then be used to authorize and authenticate towards the other end-points of the API. |
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// |
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// API Docs: https://momodeveloper.mtn.com/docs/services/disbursement/operations/CreateAccessToken |
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func (service *disbursementsService) Token(ctx context.Context) (*AuthToken, *Response, error) { |
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request, err := service.client.newRequest(ctx, http.MethodPost, "/disbursement/token/", nil) |
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if err != nil { |
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return nil, nil, err |
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} |
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service.client.addBasicAuth(request) |
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response, err := service.client.do(request) |
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if err != nil { |
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return nil, response, err |
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} |
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authToken := new(AuthToken) |
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if err = json.Unmarshal(*response.Body, authToken); err != nil { |
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return nil, response, err |
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} |
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return authToken, response, err |
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} |
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// Transfer is used to transfer an amount from the owner account to a payee account. |
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// |
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// API Docs: https://momodeveloper.mtn.com/docs/services/disbursement/operations/Transfer? |
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func (service *disbursementsService) Transfer( |
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ctx context.Context, |
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referenceID string, |
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params *TransferParams, |
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callbackURL *string, |
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) (*Response, error) { |
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err := service.refreshToken(ctx) |
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if err != nil { |
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return nil, err |
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} |
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request, err := service.client.newRequest(ctx, http.MethodPost, "/disbursement/v1_0/transfer", params) |
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if err != nil { |
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return nil, err |
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} |
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if callbackURL != nil && len(*callbackURL) != 0 { |
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service.client.addCallbackURL(request, *callbackURL) |
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} |
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service.client.addTargetEnvironment(request) |
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service.client.addReferenceID(request, referenceID) |
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service.client.addAccessToken(request) |
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response, err := service.client.do(request) |
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return response, err |
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} |
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// GetTransferStatus is used to get the status of a transfer. |
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// |
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// API Docs: https://momodeveloper.mtn.com/docs/services/disbursement/operations/GetTransferStatus |
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func (service *disbursementsService) GetTransferStatus( |
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ctx context.Context, |
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referenceID string, |
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) (*DisbursementTransactionStatus, *Response, error) { |
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err := service.refreshToken(ctx) |
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if err != nil { |
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return nil, nil, err |
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} |
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request, err := service.client.newRequest(ctx, http.MethodGet, "/disbursement/v1_0/transfer/"+referenceID, nil) |
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if err != nil { |
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return nil, nil, err |
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} |
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service.client.addTargetEnvironment(request) |
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service.client.addAccessToken(request) |
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response, err := service.client.do(request) |
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if err != nil { |
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return nil, response, err |
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} |
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status := new(DisbursementTransactionStatus) |
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if err = json.Unmarshal(*response.Body, status); err != nil { |
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return nil, response, err |
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} |
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status.ReferenceID = referenceID |
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return status, response, err |
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} |
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// GetAccountBalance returns the balance of the account. |
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// |
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// API Docs: https://momodeveloper.mtn.com/docs/services/disbursement/operations/GetAccountBalance |
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func (service *disbursementsService) GetAccountBalance(ctx context.Context) (*AccountBalance, *Response, error) { |
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err := service.refreshToken(ctx) |
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if err != nil { |
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return nil, nil, err |
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} |
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request, err := service.client.newRequest(ctx, http.MethodGet, "/disbursement/v1_0/account/balance", nil) |
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if err != nil { |
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return nil, nil, err |
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} |
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service.client.addAccessToken(request) |
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service.client.addTargetEnvironment(request) |
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response, err := service.client.do(request) |
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if err != nil { |
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return nil, response, err |
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} |
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balance := new(AccountBalance) |
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if err = json.Unmarshal(*response.Body, balance); err != nil { |
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return nil, response, err |
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} |
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return balance, response, err |
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} |
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func (service *disbursementsService) tokenIsValid() bool { |
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return time.Now().UTC().Unix() < service.client.accessTokenExpiresAt |
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} |
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func (service *disbursementsService) refreshToken(ctx context.Context) error { |
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service.client.accessTokenLock.Lock() |
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defer service.client.accessTokenLock.Unlock() |
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if service.tokenIsValid() { |
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return nil |
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} |
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token, _, err := service.Token(ctx) |
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if err != nil { |
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return err |
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} |
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service.client.accessToken = token.AccessToken |
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service.client.accessTokenExpiresAt = time.Now().UTC().Unix() + token.ExpiresIn - 100 |
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return nil |
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} |
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NdoleStudio /
mtnmomo-go
