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Redefine struct

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This commit is contained in:
Vishal 2024-04-03 17:50:53 +05:30
parent 39ec761949
commit ffefae89a6
2 changed files with 74 additions and 65 deletions
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119
server/pkg/controller/mailing_lists.go
View file

@ -22,10 +22,12 @@ import (
//
// See also: Syncing emails with Zoho Campaigns
type MailingListsController struct {
zohoAccessToken string
zohoListKey string
zohoTopicIds string
zohoCredentials zoho.Credentials
zohoAccessToken string
zohoListKey string
zohoTopicIds string
zohoCredentials zoho.Credentials
listmonkListIDs []int
listmonkCredentials listmonk.Credentials
}
// Return a new instance of MailingListsController
@ -58,40 +60,28 @@ func NewMailingListsController() *MailingListsController {
// we'll use the refresh token to create an access token on demand.
zohoAccessToken := viper.GetString("zoho.access_token")
return &MailingListsController{
zohoCredentials: zohoCredentials,
zohoListKey: zohoListKey,
zohoTopicIds: zohoTopicIds,
zohoAccessToken: zohoAccessToken,
}
}
// ListmonkMailingListsController is used to interact with the Listmonk API.
//
// It specifies BaseURL (URL of your listmonk server),
// your listmonk Username and Password
// and ListIDs (an array of integer values indicating the id of
// listmonk campaign mailing list to which the subscriber needs to added)
type ListmonkMailingListsController struct {
BaseURL string
Username string
Password string
ListIDs []int
}
// NewListmonkMailingListsController creates a new instance
// of ListmonkMailingListsController with the config file credentials
func NewListmonkMailingListsController() *ListmonkMailingListsController {
credentials := &ListmonkMailingListsController{
listmonkCredentials := listmonk.Credentials{
BaseURL: viper.GetString("listmonk.server-url"),
Username: viper.GetString("listmonk.username"),
Password: viper.GetString("listmonk.password"),
ListIDs: viper.GetIntSlice("listmonk.list-ids"),
}
return credentials
// An array of integer values indicating the id of listmonk campaign
// mailing list to which the subscriber needs to added
listmonkListIDs := viper.GetIntSlice("listmonk.list-ids")
return &MailingListsController{
zohoCredentials: zohoCredentials,
zohoListKey: zohoListKey,
zohoTopicIds: zohoTopicIds,
zohoAccessToken: zohoAccessToken,
listmonkCredentials: listmonkCredentials,
listmonkListIDs: listmonkListIDs,
}
}
// Add the given email address to our default Zoho Campaigns list.
// Add the given email address to our default Zoho Campaigns list
// or Listmonk Campaigns List
//
// It is valid to resubscribe an email that has previously been unsubscribe.
//
@ -102,14 +92,12 @@ func NewListmonkMailingListsController() *ListmonkMailingListsController {
// the email addresses of our customers in a Zoho Campaign "list", and subscribe
// or unsubscribe them to this list.
func (c *MailingListsController) Subscribe(email string) error {
listmonkController := NewListmonkMailingListsController()
// Checking if either listmonk or zoho credentials are configured
if c.shouldSkipZoho() {
if listmonkController.shouldSkipListmonk() {
if c.shouldSkipListmonk() {
return stacktrace.Propagate(ente.ErrNotImplemented, "")
} else {
return listmonkController.doListActionListmonk("listsubscribe", email)
return c.doListActionListmonk("listsubscribe", email)
}
} else {
// Need to set "Signup Form Disabled" in the list settings since we use this
@ -125,17 +113,16 @@ func (c *MailingListsController) Subscribe(email string) error {
}
}
// Unsubscribe the given email address to our default Zoho Campaigns list.
// Unsubscribe the given email address to our default Zoho Campaigns list
// or Listmonk Campaigns List
//
// See: [Note: Syncing emails with Zoho Campaigns]
func (c *MailingListsController) Unsubscribe(email string) error {
listmonkController := NewListmonkMailingListsController()
if c.shouldSkipZoho() {
if listmonkController.shouldSkipListmonk() {
if c.shouldSkipListmonk() {
return stacktrace.Propagate(ente.ErrNotImplemented, "")
} else {
return listmonkController.doListActionListmonk("listunsubscribe", email)
return c.doListActionListmonk("listunsubscribe", email)
}
} else {
// https://www.zoho.com/campaigns/help/developers/contact-unsubscribe.html
@ -143,7 +130,7 @@ func (c *MailingListsController) Unsubscribe(email string) error {
}
}
// shouldSkipZoho checks if the MailingListsController
// shouldSkipZoho() checks if the MailingListsController
// should be skipped due to missing credentials.
func (c *MailingListsController) shouldSkipZoho() bool {
if c.zohoCredentials.RefreshToken == "" {
@ -153,6 +140,22 @@ func (c *MailingListsController) shouldSkipZoho() bool {
return false
}
// shouldSkipListmonk() checks if the Listmonk mailing list
// should be skipped due to missing credentials
// listmonklistIDs value.
//
// ListmonkListIDs is an optional field for subscribing an email address
// (user gets added to the default list),
// but is a required field for unsubscribing an email address
func (c *MailingListsController) shouldSkipListmonk() bool {
if c.listmonkCredentials.BaseURL == "" || c.listmonkCredentials.Username == "" ||
c.listmonkCredentials.Password == "" || len(c.listmonkListIDs) == 0 {
log.Info("Skipping Listmonk mailing list because credentials are not configured")
return true
}
return false
}
// Both the listsubscribe and listunsubscribe Zoho Campaigns API endpoints work
// similarly, so use this function to keep the common code.
func (c *MailingListsController) doListActionZoho(action string, email string) error {
@ -200,17 +203,18 @@ func (c *MailingListsController) doListActionZoho(action string, email string) e
return stacktrace.Propagate(err, "")
}
// doListActionListmonk subscribes or unsubscribes an email address
// to a particular mailing list based on the action parameter
func (c *ListmonkMailingListsController) doListActionListmonk(action string, email string) error {
// doListActionListmonk() subscribes or unsubscribes an email address
// to a particular mailing list
// based on the action parameter ("listsubscribe" or "listunsubscribe")
func (c *MailingListsController) doListActionListmonk(action string, email string) error {
if action == "listsubscribe" {
data := map[string]interface{}{
"email": email,
"lists": c.ListIDs,
"lists": c.listmonkListIDs,
}
return listmonk.SendRequest("POST", c.BaseURL+"/api/subscribers", data,
c.Username, c.Password)
return listmonk.SendRequest("POST", c.listmonkCredentials.BaseURL+"/api/subscribers", data,
c.listmonkCredentials.Username, c.listmonkCredentials.Password)
} else {
// Listmonk dosen't provide an endpoint for unsubscribing users
@ -218,7 +222,8 @@ func (c *ListmonkMailingListsController) doListActionListmonk(action string, ema
//
// Thus, fetching subscriberID through email address,
// and then calling endpoint to modify subscription in a list
id, err := listmonk.GetSubscriberID(c.BaseURL+"/api/subscribers", c.Username, c.Password, email)
id, err := listmonk.GetSubscriberID(c.listmonkCredentials.BaseURL+"/api/subscribers",
c.listmonkCredentials.Username, c.listmonkCredentials.Password, email)
if err != nil {
stacktrace.Propagate(err, "")
}
@ -228,20 +233,10 @@ func (c *ListmonkMailingListsController) doListActionListmonk(action string, ema
data := map[string]interface{}{
"ids": subscriberID,
"action": "unsubscribe",
"target_list_ids": c.ListIDs,
"target_list_ids": c.listmonkListIDs,
}
return listmonk.SendRequest("PUT", c.BaseURL+"/api/subscribers/lists", data,
c.Username, c.Password)
return listmonk.SendRequest("PUT", c.listmonkCredentials.BaseURL+"/api/subscribers/lists", data,
c.listmonkCredentials.Username, c.listmonkCredentials.Password)
}
}
// shouldSkipListmonk checks if the ListmonkMailingListsController
// should be skipped due to missing credentials.
func (c *ListmonkMailingListsController) shouldSkipListmonk() bool {
if c.BaseURL == "" || c.Username == "" || c.Password == "" {
log.Info("Skipping Listmonk mailing list because credentials are not configured")
return true
}
return false
}

20
server/pkg/external/listmonk/api.go vendored
View file

@ -11,10 +11,23 @@ import (
"github.com/ente-io/stacktrace"
)
// GetSubscriberID returns subscriber id of the provided email address, else returns an error if email was not found
// Listmonk credentials to interact with the Listmonk API.
// It specifies BaseURL (url of the running listmonk server,
// Listmonk Username and Password.
// Visit https://listmonk.app/ to learn more about running
// Listmonk locally
type Credentials struct {
BaseURL string
Username string
Password string
}
// GetSubscriberID returns subscriber id of the provided email address,
// else returns an error if email was not found
func GetSubscriberID(endpoint string, username string, password string, subscriberEmail string) (int, error) {
// Struct for the received API response.
// Can define other fields as well that can be extracted from response JSON
// Can define other fields as well that can be
// extracted from response JSON
type SubscriberResponse struct {
Data struct {
Results []struct {
@ -72,7 +85,8 @@ func GetSubscriberID(endpoint string, username string, password string, subscrib
return id, nil
}
// SendRequest sends a request to the specified Listmonk API endpoint with the provided method and data
// SendRequest sends a request to the specified Listmonk API endpoint
// with the provided method and data
// after authentication with the provided credentials (username, password)
func SendRequest(method string, url string, data interface{}, username string, password string) error {
jsonData, err := json.Marshal(data)