website/pkg/controller/friend/request.go

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package friend
import (
"fmt"
"net/http"
"strings"
"code.nonshy.com/nonshy/website/pkg/config"
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"code.nonshy.com/nonshy/website/pkg/log"
"code.nonshy.com/nonshy/website/pkg/models"
"code.nonshy.com/nonshy/website/pkg/session"
"code.nonshy.com/nonshy/website/pkg/templates"
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)
// AddFriend controller to send a friend request.
func AddFriend() http.HandlerFunc {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// POST only.
if r.Method != http.MethodPost {
session.FlashError(w, r, "Unacceptable Request Method")
templates.Redirect(w, "/")
return
}
// Form fields
var (
username = strings.ToLower(r.PostFormValue("username"))
verdict = r.PostFormValue("verdict")
)
// Get the current user.
currentUser, err := session.CurrentUser(r)
if err != nil {
session.FlashError(w, r, "Couldn't get CurrentUser: %s", err)
templates.Redirect(w, "/")
return
}
// Get the target user.
user, err := models.FindUser(username)
if err != nil {
session.FlashError(w, r, "User Not Found")
templates.Redirect(w, "/")
return
}
// Can't friend yourself.
if currentUser.ID == user.ID {
session.FlashError(w, r, "You can't send a friend request to yourself!")
templates.Redirect(w, "/u/"+username)
return
}
// Are we adding, or rejecting+removing?
if verdict == "reject" || verdict == "remove" {
err := models.RemoveFriend(currentUser.ID, user.ID)
if err != nil {
session.FlashError(w, r, "Failed to remove friend: %s", err)
templates.Redirect(w, "/u/"+username)
return
}
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// Revoke any friends-only photo notifications they had received before.
if err := models.RevokeFriendPhotoNotifications(currentUser, user); err != nil {
log.Error("Couldn't revoke friend photo notifications between %s and %s: %s", currentUser.Username, user.Username, err)
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}
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var message string
if verdict == "reject" {
message = fmt.Sprintf("Friend request from %s has been rejected.", username)
} else {
message = fmt.Sprintf("Removed friendship with %s.", username)
}
session.Flash(w, r, message)
if verdict == "reject" {
templates.Redirect(w, "/friends?view=requests")
}
templates.Redirect(w, "/friends")
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return
} else if verdict == "ignore" {
if err := models.IgnoreFriendRequest(currentUser, user); err != nil {
session.FlashError(w, r, "Error marking the friend request as ignored: %s", err)
} else {
session.Flash(w, r, "You have ignored the friend request from %s.", username)
}
templates.Redirect(w, "/friends")
return
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} else {
// Post the friend request.
if err := models.AddFriend(currentUser.ID, user.ID); err != nil {
session.FlashError(w, r, "Couldn't send friend request: %s.", err)
} else {
if verdict == "approve" {
// Notify the requestor they'd been approved.
if !user.NotificationOptOut(config.NotificationOptOutFriendRequestAccepted) {
notif := &models.Notification{
UserID: user.ID,
AboutUser: *currentUser,
Type: models.NotificationFriendApproved,
}
if err := models.CreateNotification(notif); err != nil {
log.Error("Couldn't create approved notification: %s", err)
}
}
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session.Flash(w, r, "You accepted the friend request from %s!", username)
templates.Redirect(w, "/friends?view=requests")
return
}
session.Flash(w, r, "Friend request sent!")
}
}
templates.Redirect(w, "/u/"+username)
})
}