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trigger_new_email.go
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trigger_new_email.go
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package googlemail
import (
"context"
"errors"
"time"
"google.golang.org/api/gmail/v1"
"google.golang.org/api/option"
"github.com/wakflo/go-sdk/autoform"
sdk "github.com/wakflo/go-sdk/connector"
sdkcore "github.com/wakflo/go-sdk/core"
)
type TriggerNewEmail struct {
options *sdk.TriggerInfo
}
func NewTriggerNewEmail() *TriggerNewEmail {
return &TriggerNewEmail{
options: &sdk.TriggerInfo{
Name: "New Email ",
Description: "Triggers workflow when new email is received",
RequireAuth: true,
Auth: sharedAuth,
Input: map[string]*sdkcore.AutoFormSchema{
"subject": autoform.NewShortTextField().
SetDisplayName("Subject").
SetDescription("Subject of the email to trigger on").
SetRequired(true).
Build(),
"from": autoform.NewShortTextField().
SetDisplayName("From").
SetDescription("Sender of the email to trigger on").
SetRequired(false).
Build(),
"maxResults": autoform.NewNumberField().
SetDisplayName("Max Results").
SetDescription("Maximum number of emails to return").
SetDefaultValue(50).
SetRequired(false).
Build(),
},
Type: sdkcore.TriggerTypeCron,
Settings: &sdkcore.TriggerSettings{},
ErrorSettings: &sdkcore.StepErrorSettings{
ContinueOnError: false,
RetryOnError: false,
},
},
}
}
func (t *TriggerNewEmail) Run(ctx *sdk.RunContext) (sdk.JSON, error) {
if ctx.Auth.Token == nil {
return nil, errors.New("missing google auth token")
}
gmailService, err := gmail.NewService(context.Background(), option.WithTokenSource(*ctx.Auth.TokenSource))
if err != nil {
return nil, err
}
var lastRunTime time.Time
if ctx.Metadata.LastRun != nil {
lastRunTime = *ctx.Metadata.LastRun
}
query := "after:" + lastRunTime.Format("2006/01/02")
messages, err := gmailService.Users.Messages.List("me").Q(query).Do()
if err != nil {
return nil, err
}
newEmails := make([]map[string]interface{}, 0, len(messages.Messages))
for _, msg := range messages.Messages {
email, err := gmailService.Users.Messages.Get("me", msg.Id).Do()
if err != nil {
continue
}
emailData := map[string]interface{}{
"id": email.Id,
"subject": getHeader(email.Payload.Headers, "Subject"),
"from": getHeader(email.Payload.Headers, "From"),
"date": getHeader(email.Payload.Headers, "Date"),
}
newEmails = append(newEmails, emailData)
}
return sdk.JSON(map[string]interface{}{
"new_emails": newEmails,
}), nil
}
func (t *TriggerNewEmail) Test(ctx *sdk.RunContext) (sdk.JSON, error) {
return t.Run(ctx)
}
func (t *TriggerNewEmail) OnEnabled(ctx *sdk.RunContext) error {
return nil
}
func (t *TriggerNewEmail) OnDisabled(ctx *sdk.RunContext) error {
return nil
}
func (t *TriggerNewEmail) GetInfo() *sdk.TriggerInfo {
return t.options
}