Add suppression list and delete support

suppressions.go

@@ -0,0 +1,110 @@
+package postmark
+
+import (
+	"fmt"
+	"net/url"
+)
+
+// SuppressionReasonType - The reason type of suppression
+type SuppressionReasonType string
+
+// OriginType - The reason type of origin
+type OriginType string
+
+const (
+	HardBounceReason        SuppressionReasonType = "HardBounce"
+	SpamComplaintReason     SuppressionReasonType = "SpamComplaint"
+	ManualSuppressionReason SuppressionReasonType = "ManualSuppression"
+	RecipientOrigin         OriginType            = "Recipient"
+	CustomerOrigin          OriginType            = "Customer"
+	AdminOrigin             OriginType            = "Admin"
+)
+
+// SuppressionEmail - Suppression email entry
+type SuppressionEmail struct {
+	// EmailAddress - The email address of suppression.
+	EmailAddress string
+	// SuppressionReason - The reason of suppression.
+	SuppressionReason SuppressionReasonType
+	// Origin - Possible options: Recipient, Customer, Admin.
+	Origin OriginType
+	// CreatedAt - Timestamp.
+	CreatedAt string
+}
+
+// suppressionsResponse - A message received from the Postmark server
+type suppressionsResponse struct {
+	// Suppressions - The slice of suppression email address.
+	Suppressions []SuppressionEmail
+}
+
+// EmailAddress - Email address to delete
+type EmailAddress struct {
+	EmailAddress string `json:",omitempty"`
+}
+
+// DeleteSuppressions - A payload of email address to delete
+type DeleteSuppressions struct {
+	// Suppressions - The slice of email address to delete.
+	Suppressions []EmailAddress `json:",omitempty"`
+}
+
+// deleteSuppressionsResponse - A message received from the Postmark server
+type deleteSuppressionsResponse struct {
+	// Suppressions - The slice of deleted email status and reason.
+	Suppressions []SuppressionDelete
+}
+
+// SuppressionDelete - Suppression email deleted
+type SuppressionDelete struct {
+	EmailAddress string
+	Status       string
+	Message      *string
+}
+
+// GetSuppressionEmails fetches a email addresses in the list of suppression dump on the server
+// It returns a SuppressionEmails slice, and any error that occurred
+// https://postmarkapp.com/developer/api/suppressions-api#suppression-dump
+func (client *Client) GetSuppressionEmails(streamID string, options map[string]interface{}) ([]SuppressionEmail, error) {
+	values := &url.Values{}
+	for k, v := range options {
+		values.Add(k, fmt.Sprintf("%v", v))
+	}
+
+	path := fmt.Sprintf("message-streams/%s/suppressions/dump", streamID)
+	if len(options) != 0 {
+		path = fmt.Sprintf("%s?%s", path, values.Encode())
+	}
+
+	res := suppressionsResponse{}
+	err := client.doRequest(parameters{
+		Method:    "GET",
+		Path:      path,
+		TokenType: server_token,
+	}, &res)
+	return res.Suppressions, err
+}
+
+// DeleteSuppressionEmails delete email addresses in the list of suppression dump on the server
+// Noet: SpamComplaint and ManualSuppression with Origin: Customer cannot be deleted
+// It return a SuppressionDelete slice, and any error that occurred
+// https://postmarkapp.com/developer/api/suppressions-api#delete-a-suppression
+func (client *Client) DeleteSuppressionEmails(streamID string, delete []string) ([]SuppressionDelete, error) {
+	emailAddresses := make([]EmailAddress, 0, 8)
+	for _, address := range delete {
+		emailAddresses = append(emailAddresses, EmailAddress{
+			EmailAddress: address,
+		})
+	}
+
+	res := deleteSuppressionsResponse{}
+	err := client.doRequest(parameters{
+		Method: "POST",
+		Path:   fmt.Sprintf("message-streams/%s/suppressions/delete", streamID),
+		Payload: DeleteSuppressions{
+			Suppressions: emailAddresses,
+		},
+		TokenType: server_token,
+	}, &res)
+	return res.Suppressions, err
+}

suppressions_test.go

@@ -0,0 +1,119 @@
+package postmark
+
+import (
+	"net/http"
+	"testing"
+
+	"goji.io/pat"
+)
+
+func TestGetSuppressionEmails(t *testing.T) {
+	responseJSON := `{
+		"Suppressions":[
+		  {
+			"EmailAddress":"[email protected]",
+			"SuppressionReason":"ManualSuppression",
+			"Origin": "Recipient",
+			"CreatedAt":"2019-12-10T08:58:33-05:00"
+		  },
+		  {
+			"EmailAddress":"[email protected]",
+			"SuppressionReason":"HardBounce",
+			"Origin": "Recipient",
+			"CreatedAt":"2019-12-11T08:58:33-05:00"
+		  },
+		  {
+			"EmailAddress":"[email protected]",
+			"SuppressionReason":"SpamComplaint",
+			"Origin": "Recipient",
+			"CreatedAt":"2019-12-12T08:58:33-05:00"
+		  }
+		]
+	  }`
+
+	tMux.HandleFunc(pat.Get("/message-streams/:StreamID/suppressions/dump"), func(w http.ResponseWriter, req *http.Request) {
+		w.Write([]byte(responseJSON))
+	})
+
+	res, err := client.GetSuppressionEmails("outbound", nil)
+
+	if err != nil {
+		t.Fatalf("GetSuppressionEmails: %s", err.Error())
+	}
+
+	if len(res) != 3 {
+		t.Fatalf("GetSuppressionEmails: wrong number of suppression (%d)", len(res))
+	}
+
+	if res[0].EmailAddress != "[email protected]" {
+		t.Fatalf("GetSuppressionEmails: wrong suppression email address: %s", res[0].EmailAddress)
+	}
+
+	responseJSON = `{
+		"Suppressions":[
+		  {
+			"EmailAddress":"[email protected]",
+			"SuppressionReason":"ManualSuppression",
+			"Origin": "Recipient",
+			"CreatedAt":"2019-12-10T08:58:33-05:00"
+		  }
+		]
+	  }`
+
+	tMux.HandleFunc(pat.Get("/message-streams/:StreamID/suppressions/dump"), func(w http.ResponseWriter, req *http.Request) {
+		w.Write([]byte(responseJSON))
+	})
+
+	res, err = client.GetSuppressionEmails("outbound", map[string]interface{}{
+		"emailaddress":      "[email protected]",
+		"fromdate":          "2019-12-10",
+		"todate":            "2019-12-11",
+		"suppressionreason": HardBounceReason,
+		"origin":            RecipientOrigin,
+	})
+
+	if len(res) != 1 {
+		t.Fatalf("GetSuppressionEmails: wrong number of suppression (%d)", len(res))
+	}
+
+	if res[0].EmailAddress != "[email protected]" {
+		t.Fatalf("GetSuppressionEmails: wrong suppression email address: %s", res[0].EmailAddress)
+	}
+
+}
+
+func TestDeleteSuppressionEmails(t *testing.T) {
+	responseJSON := `{
+		"Suppressions":[
+		  {
+			"EmailAddress":"[email protected]",
+			"Status":"Deleted",
+			"Message": null
+		  },
+		  {
+			"EmailAddress":"[email protected]",
+			"Status":"Deleted",
+			"Message": null
+		  },
+		  {
+			"EmailAddress":"[email protected]",
+			"Status":"Failed",
+			"Message": "You do not have the required authority to change this suppression."
+		  }
+		]
+	  }`
+
+	tMux.HandleFunc(pat.Post("/message-streams/:StreamID/suppressions/delete"), func(w http.ResponseWriter, req *http.Request) {
+		w.Write([]byte(responseJSON))
+	})
+
+	res, err := client.DeleteSuppressionEmails("outbound", []string{"[email protected]", "[email protected]", "[email protected]"})
+
+	if err != nil {
+		t.Fatalf("DeleteSuppressionEmails: %s", err.Error())
+	}
+
+	if len(res) != 3 {
+		t.Fatalf("DeleteSuppressionEmails: wrong number of suppression (%d)", len(res))
+	}
+}