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tasks.go
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tasks.go
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package tasks
import (
"fmt"
"html/template"
"strings"
"time"
"github.com/getfider/fider/app"
"github.com/getfider/fider/app/models"
"github.com/getfider/fider/app/pkg/email"
"github.com/getfider/fider/app/pkg/markdown"
"github.com/getfider/fider/app/pkg/worker"
)
func describe(name string, job worker.Job) worker.Task {
return worker.Task{Name: name, Job: job}
}
func link(baseURL, path string, args ...interface{}) template.HTML {
return template.HTML(fmt.Sprintf("<a href='%[1]s%[2]s'>%[1]s%[2]s</a>", baseURL, fmt.Sprintf(path, args...)))
}
func linkWithText(text, baseURL, path string, args ...interface{}) template.HTML {
return template.HTML(fmt.Sprintf("<a href='%s%s'>%s</a>", baseURL, fmt.Sprintf(path, args...), text))
}
//SendSignUpEmail is used to send the sign up email to requestor
func SendSignUpEmail(model *models.CreateTenant, baseURL string) worker.Task {
return describe("Send sign up email", func(c *worker.Context) error {
to := email.NewRecipient(model.Name, model.Email, email.Params{
"logo": "https://getfider.com/images/logo-100x100.png",
"link": link(baseURL, "/signup/verify?k=%s", model.VerificationKey),
})
return c.Services().Emailer.Send(c, "signup_email", email.Params{}, "Fider", to)
})
}
//SendSignInEmail is used to send the sign in email to requestor
func SendSignInEmail(model *models.SignInByEmail) worker.Task {
return describe("Send sign in email", func(c *worker.Context) error {
to := email.NewRecipient("", model.Email, email.Params{
"tenantName": c.Tenant().Name,
"link": link(c.BaseURL(), "/signin/verify?k=%s", model.VerificationKey),
})
return c.Services().Emailer.Send(c, "signin_email", email.Params{}, c.Tenant().Name, to)
})
}
//SendChangeEmailConfirmation is used to send the change email confirmation email to requestor
func SendChangeEmailConfirmation(model *models.ChangeUserEmail) worker.Task {
return describe("Send change email confirmation", func(c *worker.Context) error {
previous := c.User().Email
if previous == "" {
previous = "(empty)"
}
to := email.NewRecipient(model.Requestor.Name, model.Email, email.Params{
"name": c.User().Name,
"oldEmail": previous,
"newEmail": model.Email,
"link": link(c.BaseURL(), "/change-email/verify?k=%s", model.VerificationKey),
})
return c.Services().Emailer.Send(c, "change_emailaddress_email", email.Params{}, c.Tenant().Name, to)
})
}
//NotifyAboutNewPost sends a notification (web and email) to subscribers
func NotifyAboutNewPost(post *models.Post) worker.Task {
return describe("Notify about new post", func(c *worker.Context) error {
// Web notification
users, err := c.Services().Posts.GetActiveSubscribers(post.Number, models.NotificationChannelWeb, models.NotificationEventNewPost)
if err != nil {
return c.Failure(err)
}
title := fmt.Sprintf("New post: **%s**", post.Title)
link := fmt.Sprintf("/posts/%d/%s", post.Number, post.Slug)
for _, user := range users {
if user.ID != c.User().ID {
if _, err = c.Services().Notifications.Insert(user, title, link, post.ID); err != nil {
return c.Failure(err)
}
}
}
// Email notification
users, err = c.Services().Posts.GetActiveSubscribers(post.Number, models.NotificationChannelEmail, models.NotificationEventNewPost)
if err != nil {
return c.Failure(err)
}
to := make([]email.Recipient, 0)
for _, user := range users {
if user.ID != c.User().ID {
to = append(to, email.NewRecipient(user.Name, user.Email, email.Params{}))
}
}
params := email.Params{
"title": post.Title,
"tenantName": c.Tenant().Name,
"userName": c.User().Name,
"content": markdown.Simple(post.Description),
"postLink": linkWithText(fmt.Sprintf("#%d", post.Number), c.BaseURL(), "/posts/%d/%s", post.Number, post.Slug),
"view": linkWithText("View it on your browser", c.BaseURL(), "/posts/%d/%s", post.Number, post.Slug),
"change": linkWithText("change your notification settings", c.BaseURL(), "/settings"),
}
return c.Services().Emailer.BatchSend(c, "new_post", params, c.User().Name, to)
})
}
//NotifyAboutNewComment sends a notification (web and email) to subscribers
func NotifyAboutNewComment(post *models.Post, comment *models.NewComment) worker.Task {
return describe("Notify about new comment", func(c *worker.Context) error {
// Web notification
users, err := c.Services().Posts.GetActiveSubscribers(post.Number, models.NotificationChannelWeb, models.NotificationEventNewComment)
if err != nil {
return c.Failure(err)
}
title := fmt.Sprintf("**%s** left a comment on **%s**", c.User().Name, post.Title)
link := fmt.Sprintf("/posts/%d/%s", post.Number, post.Slug)
for _, user := range users {
if user.ID != c.User().ID {
if _, err = c.Services().Notifications.Insert(user, title, link, post.ID); err != nil {
return c.Failure(err)
}
}
}
// Email notification
users, err = c.Services().Posts.GetActiveSubscribers(post.Number, models.NotificationChannelEmail, models.NotificationEventNewComment)
if err != nil {
return c.Failure(err)
}
to := make([]email.Recipient, 0)
for _, user := range users {
if user.ID != c.User().ID {
to = append(to, email.NewRecipient(user.Name, user.Email, email.Params{}))
}
}
params := email.Params{
"title": post.Title,
"tenantName": c.Tenant().Name,
"userName": c.User().Name,
"content": markdown.Simple(comment.Content),
"postLink": linkWithText(fmt.Sprintf("#%d", post.Number), c.BaseURL(), "/posts/%d/%s", post.Number, post.Slug),
"view": linkWithText("View it on your browser", c.BaseURL(), "/posts/%d/%s", post.Number, post.Slug),
"unsubscribe": linkWithText("unsubscribe from it", c.BaseURL(), "/posts/%d/%s", post.Number, post.Slug),
"change": linkWithText("change your notification settings", c.BaseURL(), "/settings"),
}
return c.Services().Emailer.BatchSend(c, "new_comment", params, c.User().Name, to)
})
}
//NotifyAboutStatusChange sends a notification (web and email) to subscribers
func NotifyAboutStatusChange(post *models.Post, prevStatus models.PostStatus) worker.Task {
return describe("Notify about post status change", func(c *worker.Context) error {
//Don't notify if previous status is the same
if prevStatus == post.Status {
return nil
}
// Web notification
users, err := c.Services().Posts.GetActiveSubscribers(post.Number, models.NotificationChannelWeb, models.NotificationEventChangeStatus)
if err != nil {
return c.Failure(err)
}
title := fmt.Sprintf("**%s** changed status of **%s** to **%s**", c.User().Name, post.Title, post.Status.Name())
link := fmt.Sprintf("/posts/%d/%s", post.Number, post.Slug)
for _, user := range users {
if user.ID != c.User().ID {
if _, err = c.Services().Notifications.Insert(user, title, link, post.ID); err != nil {
return c.Failure(err)
}
}
}
// Email notification
users, err = c.Services().Posts.GetActiveSubscribers(post.Number, models.NotificationChannelEmail, models.NotificationEventChangeStatus)
if err != nil {
return c.Failure(err)
}
var duplicate template.HTML
if post.Status == models.PostDuplicate {
originalPost, err := c.Services().Posts.GetByNumber(post.Response.Original.Number)
if err != nil {
return c.Failure(err)
}
duplicate = linkWithText(originalPost.Title, c.BaseURL(), "/posts/%d/%s", originalPost.Number, originalPost.Slug)
}
to := make([]email.Recipient, 0)
for _, user := range users {
if user.ID != c.User().ID {
to = append(to, email.NewRecipient(user.Name, user.Email, email.Params{}))
}
}
params := email.Params{
"title": post.Title,
"postLink": linkWithText(fmt.Sprintf("#%d", post.Number), c.BaseURL(), "/posts/%d/%s", post.Number, post.Slug),
"tenantName": c.Tenant().Name,
"content": markdown.Simple(post.Response.Text),
"status": post.Status.Name(),
"duplicate": duplicate,
"view": linkWithText("View it on your browser", c.BaseURL(), "/posts/%d/%s", post.Number, post.Slug),
"unsubscribe": linkWithText("unsubscribe from it", c.BaseURL(), "/posts/%d/%s", post.Number, post.Slug),
"change": linkWithText("change your notification settings", c.BaseURL(), "/settings"),
}
return c.Services().Emailer.BatchSend(c, "change_status", params, c.User().Name, to)
})
}
//NotifyAboutDeletedPost sends a notification (web and email) to subscribers of the post that has been deleted
func NotifyAboutDeletedPost(post *models.Post) worker.Task {
return describe("Notify about deleted post", func(c *worker.Context) error {
// Web notification
users, err := c.Services().Posts.GetActiveSubscribers(post.Number, models.NotificationChannelWeb, models.NotificationEventChangeStatus)
if err != nil {
return c.Failure(err)
}
title := fmt.Sprintf("**%s** deleted **%s**", c.User().Name, post.Title)
for _, user := range users {
if user.ID != c.User().ID {
if _, err = c.Services().Notifications.Insert(user, title, "", post.ID); err != nil {
return c.Failure(err)
}
}
}
// Email notification
users, err = c.Services().Posts.GetActiveSubscribers(post.Number, models.NotificationChannelEmail, models.NotificationEventChangeStatus)
if err != nil {
return c.Failure(err)
}
to := make([]email.Recipient, 0)
for _, user := range users {
if user.ID != c.User().ID {
to = append(to, email.NewRecipient(user.Name, user.Email, email.Params{}))
}
}
params := email.Params{
"title": post.Title,
"tenantName": c.Tenant().Name,
"content": markdown.Simple(post.Response.Text),
"change": linkWithText("change your notification settings", c.BaseURL(), "/settings"),
}
return c.Services().Emailer.BatchSend(c, "delete_post", params, c.User().Name, to)
})
}
//SendInvites sends one email to each invited recipient
func SendInvites(subject, message string, invitations []*models.UserInvitation) worker.Task {
return describe("Send invites", func(c *worker.Context) error {
to := make([]email.Recipient, len(invitations))
for i, invite := range invitations {
err := c.Services().Tenants.SaveVerificationKey(invite.VerificationKey, 15*24*time.Hour, invite)
if err != nil {
return c.Failure(err)
}
url := fmt.Sprintf("%s/invite/verify?k=%s", c.BaseURL(), invite.VerificationKey)
toMessage := strings.Replace(message, app.InvitePlaceholder, string(url), -1)
to[i] = email.NewRecipient("", invite.Email, email.Params{
"message": markdown.Full(toMessage),
})
}
return c.Services().Emailer.BatchSend(c, "invite_email", email.Params{
"subject": subject,
}, c.User().Name, to)
})
}