add method for getting financial report

ENDPOINTS.md

@@ -160,7 +160,7 @@
 - [ ] Report on products movement
 - [ ] Returns report
 - [ ] Shipment report
-- [ ] Financial report
+- [x] Financial report
 - [ ] Issue a report on discounted products
 - [ ] Report on discounted products
 - [ ] List of reports on discounted products

ozon/reports.go

@@ -148,3 +148,80 @@ func (c Reports) GetReportDetails(params *GetReportDetailsParams) (*GetReportDet
 
 	return resp, nil
 }
+
+type GetFinancialReportParams struct {
+	// Report generation period
+	Date GetFinancialReportDatePeriod `json:"date"`
+
+	// Number of the page returned in the request
+	Page int64 `json:"page"`
+
+	// Number of items on the page
+	PageSize int64 `json:"page_size"`
+}
+
+type GetFinancialReportDatePeriod struct {
+	// Date from which the report is calculated
+	From time.Time `json:"from"`
+
+	// Date up to which the report is calculated
+	To time.Time `json:"to"`
+}
+
+type GetFinancialReportResponse struct {
+	core.CommonResponse
+
+	// Method result
+	Result struct {
+		// Reports list
+		CashFlows []struct {
+			// Period data
+			Period struct {
+				// Period identifier
+				Id int64 `json:"id"`
+
+				// Period start
+				Begin time.Time `json:"begin"`
+
+				// Period end
+				End time.Time `json:"end"`
+			} `json:"period"`
+
+			// Sum of sold products prices
+			OrdersAmount float64 `json:"order_amount"`
+
+			// Sum of returned products prices
+			ReturnsAmount float64 `json:"returns_amount"`
+
+			// Ozon sales commission
+			CommissionAmount float64 `json:"commission_amount"`
+
+			// Additional services cost
+			ServicesAmount float64 `json:"services_amount"`
+
+			// Logistic services cost
+			ItemDeliveryAndReturnAmount float64 `json:"item_delivery_and_return_amount"`
+
+			// Code of the currency used to calculate the commissions
+			CurrencyCode string `json:"currency_code"`
+		} `json:"cash_flows"`
+
+		// Number of pages with reports
+		PageCount int64 `json:"page_count"`
+	} `json:"result"`
+}
+
+// Returns information about a created report by its identifier
+func (c Reports) GetFinancial(params *GetFinancialReportParams) (*GetFinancialReportResponse, error) {
+	url := "/v1/finance/cash-flow-statement/list"
+
+	resp := &GetFinancialReportResponse{}
+
+	response, err := c.client.Request(http.MethodPost, url, params, resp)
+	if err != nil {
+		return nil, err
+	}
+	response.CopyCommonResponse(&resp.CommonResponse)
+
+	return resp, nil
+}

ozon/reports_test.go

@@ -89,9 +89,7 @@ func TestGetReportDetails(t *testing.T) {
 		{
 			http.StatusOK,
 			map[string]string{"Client-Id": "my-client-id", "Api-Key": "my-api-key"},
-			&GetReportDetailsParams{
+			&GetReportDetailsParams{},
-				
-			},
 			`{
 				"result": {
 				  "code": "257bf213-ca57-405c-8edf-41d2ce22decf",
@@ -129,3 +127,69 @@ func TestGetReportDetails(t *testing.T) {
 		}
 	}
 }
+
+func TestGetFinancial(t *testing.T) {
+	tests := []struct {
+		statusCode int
+		headers    map[string]string
+		params     *GetFinancialReportParams
+		response   string
+	}{
+		// Test Ok
+		{
+			http.StatusOK,
+			map[string]string{"Client-Id": "my-client-id", "Api-Key": "my-api-key"},
+			&GetFinancialReportParams{
+				Date: GetFinancialReportDatePeriod{
+					From: core.TimeFromString(t, "2006-01-02T15:04:05Z", "2022-01-01T00:00:00.000Z"),
+					To:   core.TimeFromString(t, "2006-01-02T15:04:05Z", "2022-12-31T00:00:00.000Z"),
+				},
+				Page:     1,
+				PageSize: 1,
+			},
+			`{
+				"result": {
+				  "cash_flows": [
+					{
+					  "period": {
+						"id": 11567022278500,
+						"begin": "2022-08-01T00:00:00Z",
+						"end": "2022-08-15T00:00:00Z"
+					  },
+					  "orders_amount": 1000,
+					  "returns_amount": -3000,
+					  "commission_amount": 1437,
+					  "services_amount": 8471.28,
+					  "item_delivery_and_return_amount": 1991,
+					  "currency_code": "RUB"
+					}
+				  ],
+				  "page_count": 15
+				}
+			}`,
+		},
+		// Test No Client-Id or Api-Key
+		{
+			http.StatusUnauthorized,
+			map[string]string{},
+			&GetFinancialReportParams{},
+			`{
+				"code": 16,
+				"message": "Client-Id and Api-Key headers are required"
+			}`,
+		},
+	}
+
+	for _, test := range tests {
+		c := NewMockClient(core.NewMockHttpHandler(test.statusCode, test.response, test.headers))
+
+		resp, err := c.Reports().GetFinancial(test.params)
+		if err != nil {
+			t.Error(err)
+		}
+
+		if resp.StatusCode != test.statusCode {
+			t.Errorf("got wrong status code: got: %d, expected: %d", resp.StatusCode, test.statusCode)
+		}
+	}
+}