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package services |
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import ( |
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"context" |
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"encoding/json" |
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"fmt" |
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"log" |
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"net/http" |
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"strings" |
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"github.com/sendgrid/sendgrid-go" |
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"firebase.google.com/go/auth" |
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"github.com/NdoleStudio/httpsms/pkg/entities" |
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"github.com/NdoleStudio/httpsms/pkg/telemetry" |
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"github.com/davecgh/go-spew/spew" |
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"github.com/palantir/stacktrace" |
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) |
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// MarketingService is handles marketing requests |
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type MarketingService struct { |
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logger telemetry.Logger |
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tracer telemetry.Tracer |
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authClient *auth.Client |
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sendgridAPIKey string |
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sendgridHost string |
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sendgridListID string |
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} |
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type sendgridContact struct { |
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FirstName string `json:"first_name"` |
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LastName string `json:"last_name"` |
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ExternalID string `json:"external_id"` |
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Email string `json:"email"` |
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ID string `json:"id,omitempty"` |
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} |
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type sendgridSearchResponse struct { |
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ContactCount int `json:"contact_count"` |
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Result []sendgridContact `json:"result"` |
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} |
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type sendgridContactRequest struct { |
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ListIDs []string `json:"list_ids"` |
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Contacts []sendgridContact `json:"contacts"` |
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} |
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// NewMarketingService creates a new instance of the MarketingService |
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func NewMarketingService( |
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logger telemetry.Logger, |
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tracer telemetry.Tracer, |
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authClient *auth.Client, |
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sendgridAPIKey string, |
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sendgridListID string, |
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) *MarketingService { |
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return &MarketingService{ |
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logger: logger.WithService(fmt.Sprintf("%T", &MarketingService{})), |
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tracer: tracer, |
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authClient: authClient, |
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sendgridHost: "https://api.sendgrid.com", |
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sendgridAPIKey: sendgridAPIKey, |
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sendgridListID: sendgridListID, |
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} |
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} |
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// DeleteUser a user if exists in the sendgrid list |
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func (service *MarketingService) DeleteUser(ctx context.Context, userID entities.UserID) error { |
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ctx, span, ctxLogger := service.tracer.StartWithLogger(ctx, service.logger) |
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defer span.End() |
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request := sendgrid.GetRequest(service.sendgridAPIKey, "/v3/marketing/contacts/search", service.sendgridHost) |
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request.Method = http.MethodPost |
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request.Body = []byte(fmt.Sprintf(`{"query": "external_id = '%s' AND CONTAINS(list_ids, '%s')"}`, userID, service.sendgridListID)) |
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response, err := sendgrid.API(request) |
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if err != nil { |
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return service.tracer.WrapErrorSpan(span, stacktrace.Propagate(err, fmt.Sprintf("cannot search for user with id [%s] in sendgrid list [%s]", userID, service.sendgridListID))) |
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} |
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data := new(sendgridSearchResponse) |
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if err = json.Unmarshal([]byte(response.Body), data); err != nil { |
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return service.tracer.WrapErrorSpan(span, stacktrace.Propagate(err, fmt.Sprintf("cannot [%s] into [%T]", response.Body, data))) |
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} |
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if data.ContactCount == 0 { |
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ctxLogger.Info(fmt.Sprintf("user with ID [%s] not found in sendgrid list [%s]", userID, service.sendgridListID)) |
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return nil |
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} |
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ctxLogger.Info(fmt.Sprintf("deleting sendgrid contact with ID [%s] for user with ID [%s]", data.Result[0].ID, userID)) |
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return service.DeleteContacts(context.Background(), []string{data.Result[0].ID}) |
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} |
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// AddToList adds a new user on the onboarding automation. |
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func (service *MarketingService) AddToList(ctx context.Context, user *entities.User) { |
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ctx, span, ctxLogger := service.tracer.StartWithLogger(ctx, service.logger) |
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defer span.End() |
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userRecord, err := service.authClient.GetUser(ctx, string(user.ID)) |
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if err != nil { |
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msg := fmt.Sprintf("cannot get auth user with id [%s]", user.ID) |
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ctxLogger.Error(stacktrace.Propagate(err, msg)) |
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return |
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} |
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id, err := service.addContact(sendgridContactRequest{ |
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ListIDs: []string{service.sendgridListID}, |
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Contacts: []sendgridContact{service.toSendgridContact(userRecord)}, |
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}) |
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if err != nil { |
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msg := fmt.Sprintf("cannot add user with id [%s] to list [%s]", user.ID, service.sendgridListID) |
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ctxLogger.Error(stacktrace.Propagate(err, msg)) |
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return |
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} |
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ctxLogger.Info(fmt.Sprintf("user [%s] added to list [%s] with job [%s]", user.ID, service.sendgridListID, id)) |
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} |
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// DeleteContacts deletes contacts from sendgrid |
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func (service *MarketingService) DeleteContacts(ctx context.Context, contactIDs []string) error { |
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ctx, span, ctxLogger := service.tracer.StartWithLogger(ctx, service.logger) |
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defer span.End() |
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request := sendgrid.GetRequest(service.sendgridAPIKey, "/v3/marketing/contacts", service.sendgridHost) |
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request.Method = "DELETE" |
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request.QueryParams = map[string]string{ |
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"ids": strings.Join(contactIDs, ","), |
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} |
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response, err := sendgrid.API(request) |
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if err != nil { |
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return stacktrace.Propagate(err, fmt.Sprintf("cannot delete contacts in a sendgrid list [%s]", service.sendgridListID)) |
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} |
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ctxLogger.Info(fmt.Sprintf("deleted contacts [%s] from sendgrid list [%s] with sendgrid response [%s]", strings.Join(contactIDs, ","), service.sendgridListID, response.Body)) |
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return nil |
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} |
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func (service *MarketingService) toSendgridContact(user *auth.UserRecord) sendgridContact { |
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name := strings.TrimSpace(user.DisplayName) |
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if name == "" { |
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return sendgridContact{ |
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FirstName: "", |
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LastName: "", |
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ExternalID: user.UID, |
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Email: user.Email, |
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} |
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} |
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parts := strings.Split(name, " ") |
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if len(parts) == 1 { |
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return sendgridContact{ |
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FirstName: name, |
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LastName: "", |
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ExternalID: user.UID, |
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Email: user.Email, |
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} |
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} |
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return sendgridContact{ |
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FirstName: strings.Join(parts[0:len(parts)-1], " "), |
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LastName: parts[len(parts)-1], |
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ExternalID: user.UID, |
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Email: user.Email, |
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} |
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} |
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func (service *MarketingService) addContact(contactRequest sendgridContactRequest) (string, error) { |
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request := sendgrid.GetRequest(service.sendgridAPIKey, "/v3/marketing/contacts", "https://api.sendgrid.com") |
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request.Method = "PUT" |
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body, err := json.Marshal(contactRequest) |
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if err != nil { |
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log.Fatal(stacktrace.Propagate(err, fmt.Sprintf("cannot marshal [%s]", spew.Sdump(contactRequest)))) |
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} |
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request.Body = body |
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response, err := sendgrid.API(request) |
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if err != nil { |
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return "", stacktrace.Propagate(err, fmt.Sprintf("cannot add contact to sendgrid list [%s]", spew.Sdump(contactRequest))) |
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} |
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return response.Body, nil |
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} |
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NdoleStudio /
httpsms
