542d0bb300
When a user marks that another photo should have been marked as explicit: * The owner of that photo gets a notification about it, which reminds them of the explicit photo policy. * The photo's "Flagged" boolean is set (along with the Explicit boolean) * The 'Edit' page on a Flagged photo shows a red banner above the Explicit option, explaining that it was flagged. The checkbox text is crossed-out, with a "no" cursor and title text over - but can still be unchecked. If the user removes the Explicit flag on a flagged photo and saves it: * An admin report is generated to notify to take a look too. * The Explicit flag is cleared as normal * The Flagged boolean is also cleared on this photo: if they set it back to Explicit again themselves, the red banner won't appear and it won't notify again - unless a community member flagged it again! Also makes some improvements to the admin page: * On photo reports: show a blurred-out (clickable to reveal) photo on feedback items about photos.
608 lines
18 KiB
Go
608 lines
18 KiB
Go
package models
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import (
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"errors"
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"fmt"
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"strings"
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"time"
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"code.nonshy.com/nonshy/website/pkg/config"
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"code.nonshy.com/nonshy/website/pkg/log"
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"gorm.io/gorm"
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)
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// Notification table.
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type Notification struct {
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ID uint64 `gorm:"primaryKey"`
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UserID uint64 `gorm:"index"` // who it belongs to
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AboutUserID *uint64 `form:"index"` // the other party of this notification
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AboutUser User `gorm:"foreignKey:about_user_id"`
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Type NotificationType // like, comment, ...
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Read bool `gorm:"index"`
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TableName string // on which of your tables (photos, comments, ...)
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TableID uint64
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Message string // text associated, e.g. copy of comment added
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Link string // associated URL, e.g. for comments
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CreatedAt time.Time
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UpdatedAt time.Time
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}
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// Preload related tables for the forum (classmethod).
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func (n *Notification) Preload() *gorm.DB {
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return DB.Preload("AboutUser.ProfilePhoto")
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}
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type NotificationType string
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const (
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NotificationLike NotificationType = "like"
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NotificationFriendApproved NotificationType = "friendship_approved"
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NotificationComment NotificationType = "comment"
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NotificationAlsoCommented NotificationType = "also_comment"
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NotificationAlsoPosted NotificationType = "also_posted" // forum replies
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NotificationCertRejected NotificationType = "cert_rejected"
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NotificationCertSecondary NotificationType = "cert_secondary" // secondary cert photo requested
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NotificationCertApproved NotificationType = "cert_approved"
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NotificationPrivatePhoto NotificationType = "private_photo" // private photo grants
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NotificationNewPhoto NotificationType = "new_photo"
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NotificationForumModerator NotificationType = "forum_moderator" // appointed as a forum moderator
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NotificationExplicitPhoto NotificationType = "explicit_photo" // user photo was flagged explicit
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NotificationCustom NotificationType = "custom" // custom message pushed
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)
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// CreateNotification inserts a new notification into the database.
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func CreateNotification(n *Notification) error {
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// Insert via raw SQL query, reasoning:
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// the AboutUser relationship has gorm do way too much work:
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// - Upsert the user profile photo
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// - Upsert the user profile fields
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// - Upsert the user row itself
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// .. and if we notify all your friends, all these wasteful queries ran
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// for every single notification created!
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if n.AboutUserID == nil && n.AboutUser.ID > 0 {
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n.AboutUserID = &n.AboutUser.ID
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}
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return DB.Exec(
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`
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INSERT INTO notifications
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(user_id, about_user_id, type, read, table_name, table_id, message, link, created_at, updated_at)
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VALUES
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(?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
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`,
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n.UserID,
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n.AboutUserID,
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n.Type,
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false,
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n.TableName,
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n.TableID,
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n.Message,
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n.Link,
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time.Now(),
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time.Now(),
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).Error
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}
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// GetNotification by ID.
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func GetNotification(id uint64) (*Notification, error) {
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var n *Notification
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result := DB.Model(n).First(&n, id)
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return n, result.Error
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}
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// NotificationOptOut checks whether the user opts-out of a class of notification.
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func (u *User) NotificationOptOut(name string) bool {
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return u.GetProfileField(name) == "true"
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}
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// RemoveNotification about a table ID, e.g. when removing a like.
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func RemoveNotification(tableName string, tableID uint64) error {
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result := DB.Where(
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"table_name = ? AND table_id = ?",
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tableName, tableID,
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).Delete(&Notification{})
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return result.Error
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}
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// RemoveAlsoPostedNotification removes a 'has also posted' notification if the comment is later deleted.
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//
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// This is specialized for deleting replies to forum threads where subscribers were notified that the
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// user has AlsoPosted on that thread. If the user deletes their comment, this specific notification
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// needs to be revoked from people who received it before, so the head of their original comment is not
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// leaked on their notifications page.
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//
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// These notifications have a Type=also_posted TableName=threads TableID=threads.ID with the only hard
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// link to the specific comment on that thread being the hyperlink URL that goes to their comment.
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func RemoveAlsoPostedNotification(thread *Thread, commentID uint64) error {
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// Match the specific notification by its link URL.
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var (
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// Modern link URL ('/go/comment?id=1234' which finds the right page to see the comment)
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newLink = fmt.Sprintf("/go/comment?id=%d", commentID)
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// Legacy link URL ('/forum/thread/123?page=4#p456') which embeds the thread ID, an
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// optional query string (page number) and the comment ID anchor.
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legacyLink = fmt.Sprintf("/forum/thread/%d%%#p%d", thread.ID, commentID)
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)
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result := DB.Where(
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"type = ? AND table_name = 'threads' AND table_id = ? AND (link = ? OR link LIKE ?)",
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NotificationAlsoPosted, thread.ID, newLink, legacyLink,
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).Delete(&Notification{})
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return result.Error
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}
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// RemoveNotificationBulk about several table IDs, e.g. when bulk removing private photo upload
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// notifications for everybody on the site.
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func RemoveNotificationBulk(tableName string, tableIDs []uint64) error {
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result := DB.Where(
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"table_name = ? AND table_id IN ?",
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tableName, tableIDs,
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).Delete(&Notification{})
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return result.Error
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}
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// RemoveSpecificNotification to remove more specialized notifications where just removing by
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// table name+ID is not adequate, e.g. for Private Photo Unlocks.
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func RemoveSpecificNotification(userID uint64, t NotificationType, tableName string, tableID uint64) error {
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result := DB.Where(
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"user_id = ? AND type = ? AND table_name = ? AND table_id = ?",
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userID, t, tableName, tableID,
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).Delete(&Notification{})
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return result.Error
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}
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// RemoveSpecificNotificationAboutUser to remove a specific table_name/id notification about a user,
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// e.g. when removing a like on a photo.
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func RemoveSpecificNotificationAboutUser(userID, aboutUserID uint64, t NotificationType, tableName string, tableID uint64) error {
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result := DB.Where(
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"user_id = ? AND about_user_id = ? AND type = ? AND table_name = ? AND table_id = ?",
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userID, aboutUserID, t, tableName, tableID,
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).Delete(&Notification{})
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return result.Error
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}
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// RemoveSpecificNotificationBulk can remove notifications about several TableIDs of the same type,
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// e.g. to bulk remove new private photo upload notifications.
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func RemoveSpecificNotificationBulk(users []*User, t NotificationType, tableName string, tableIDs []uint64) error {
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var userIDs = []uint64{}
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for _, user := range users {
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userIDs = append(userIDs, user.ID)
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}
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if len(userIDs) == 0 {
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// Nothing to do.
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return errors.New("no user IDs given")
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}
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result := DB.Where(
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"user_id IN ? AND type = ? AND table_name = ? AND table_id IN ?",
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userIDs, t, tableName, tableIDs,
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).Delete(&Notification{})
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return result.Error
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}
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// MarkNotificationsRead sets all a user's notifications to read.
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func MarkNotificationsRead(user *User) error {
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return DB.Model(&Notification{}).Where(
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"user_id = ? AND read IS NOT TRUE",
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user.ID,
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).Update("read", true).Error
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}
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// ClearAllNotifications removes a user's entire notification table.
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func ClearAllNotifications(user *User) error {
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return DB.Where(
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"user_id = ?", user.ID,
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).Delete(&Notification{}).Error
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}
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// CountUnreadNotifications gets the count of unread Notifications for a user.
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func CountUnreadNotifications(user *User) (int64, error) {
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var (
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blockedUserIDs = BlockedUserIDs(user)
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where = []string{
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"user_id = ? AND read = ?",
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}
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placeholders = []interface{}{
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user.ID, false,
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}
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)
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// Blocking user IDs?
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if len(blockedUserIDs) > 0 {
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where = append(where, "about_user_id NOT IN ?")
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placeholders = append(placeholders, blockedUserIDs)
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}
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// Don't show messages from banned or disabled accounts.
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where = append(where, `
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EXISTS (
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SELECT 1
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FROM users
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WHERE users.id = notifications.about_user_id
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AND users.status = 'active'
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)
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`)
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query := DB.Where(
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strings.Join(where, " AND "),
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placeholders...,
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)
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var count int64
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result := query.Model(&Notification{}).Count(&count)
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return count, result.Error
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}
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// PaginateNotifications returns the user's notifications.
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func PaginateNotifications(user *User, filters NotificationFilter, pager *Pagination) ([]*Notification, error) {
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var (
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ns = []*Notification{}
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blockedUserIDs = BlockedUserIDs(user)
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where = []string{
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"user_id = ?",
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}
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placeholders = []interface{}{
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user.ID,
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}
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)
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// Suppress historic notifications about blocked users.
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if len(blockedUserIDs) > 0 {
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where = append(where, "about_user_id NOT IN ?")
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placeholders = append(placeholders, blockedUserIDs)
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}
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// Don't show notifications from banned or disabled accounts.
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where = append(where, `
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EXISTS (
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SELECT 1
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FROM users
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WHERE users.id = notifications.about_user_id
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AND users.status = 'active'
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)
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`)
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// Mix in notification type filters?
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if w, ph, ok := filters.Query(); ok {
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where = append(where, w)
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placeholders = append(placeholders, ph)
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}
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query := (&Notification{}).Preload().Where(
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strings.Join(where, " AND "),
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placeholders...,
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).Order(
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pager.Sort,
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)
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query.Model(&Notification{}).Count(&pager.Total)
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result := query.Offset(pager.GetOffset()).Limit(pager.PerPage).Find(&ns)
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return ns, result.Error
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}
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// FilterPhotoUploadNotificationUserIDs will narrow a set of UserIDs who would be notified about
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// a new photo upload to respect each user's preference for notification opt-outs.
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//
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// It is assumed that userIDs are already narrowed down to Friends of the current user.
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func FilterPhotoUploadNotificationUserIDs(photo *Photo, userIDs []uint64) []uint64 {
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var (
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result = []uint64{}
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// Collect notification opt-out profile fields and map them by user ID for easy lookup.
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prefs = []*ProfileField{} // Global Notification preferences
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mutes = []*Subscription{} // Individual "friend.photos" notification mutes
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mapPrefs = map[uint64]map[string]bool{}
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mapMutes = map[uint64]bool{}
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)
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if len(userIDs) == 0 {
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return userIDs
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}
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// Collect opt-out preferences for these users.
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r := DB.Model(&ProfileField{}).Where(
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"user_id IN ? AND name IN ?",
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userIDs, []string{
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config.NotificationOptOutFriendPhotos, // all friends' photos
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config.NotificationOptOutPrivatePhotos, // private photos from friends
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config.NotificationOptOutExplicitPhotos, // explicit photos
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},
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).Find(&prefs)
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if r.Error != nil {
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log.Error("FilterPhotoUploadNotificationUserIDs: couldn't collect user preferences: %s", r.Error)
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}
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// Collect any muted notification threads, e.g. the user doesn't want your new photo notifications.
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r = DB.Model(&Subscription{}).Where(
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"table_name = 'friend.photos' AND table_id = ? AND subscribed IS FALSE",
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photo.UserID,
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).Find(&mutes)
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if r.Error != nil {
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log.Error("FilterPhotoUploadNotificationUserIDs: couldn't collect user notification mutes: %s", r.Error)
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}
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// Map the preferences by user ID.
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for _, row := range prefs {
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if _, ok := mapPrefs[row.UserID]; !ok {
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mapPrefs[row.UserID] = map[string]bool{}
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}
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mapPrefs[row.UserID][row.Name] = row.Value == "true"
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}
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for _, row := range mutes {
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mapMutes[row.UserID] = true
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}
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// Narrow the notification recipients based on photo property and their preferences.
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for _, userID := range userIDs {
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// Skip explicit photo notification?
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if photo.Explicit && mapPrefs[userID][config.NotificationOptOutExplicitPhotos] {
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continue
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}
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// Skip private photo notification?
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if photo.Visibility == PhotoPrivate && mapPrefs[userID][config.NotificationOptOutPrivatePhotos] {
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continue
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}
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// Skip friend photo notifications?
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if mapPrefs[userID][config.NotificationOptOutFriendPhotos] {
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continue
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}
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// They muted your friend "new photo" notifications?
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if mapMutes[userID] {
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continue
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}
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// They get the notification.
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result = append(result, userID)
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}
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return result
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}
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// Save a notification.
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func (n *Notification) Save() error {
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return DB.Save(n).Error
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}
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// Delete a notification.
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func (n *Notification) Delete() error {
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return DB.Delete(n).Error
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}
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// NotificationBody can store remote tables mapped.
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type NotificationBody struct {
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PhotoID uint64
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ThreadID uint64
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ForumID uint64
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CommentID uint64
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Photo *Photo
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Thread *Thread
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Forum *Forum
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Comment *Comment
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}
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type NotificationMap map[uint64]*NotificationBody
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// Get a notification's body from the map.
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func (m NotificationMap) Get(id uint64) *NotificationBody {
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if body, ok := m[id]; ok {
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return body
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}
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return &NotificationBody{}
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}
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// MapNotifications loads associated assets, like Photos, mapped to their notification ID.
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func MapNotifications(ns []*Notification) NotificationMap {
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var (
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IDs = []uint64{}
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result = NotificationMap{}
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)
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// Collect notification IDs.
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for _, row := range ns {
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IDs = append(IDs, row.ID)
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result[row.ID] = &NotificationBody{}
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}
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result.mapNotificationPhotos(IDs)
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result.mapNotificationThreads(IDs)
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result.mapNotificationForums(IDs)
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// NOTE: comment loading is not used - was added when trying to add "Like" buttons inside
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// your Comment notifications. But when a photo is commented on, the notification table_name=photos,
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// with the comment ID not so readily accessible.
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//
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// result.mapNotificationComments(IDs)
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return result
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}
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// Helper function of MapNotifications to eager load Photo attachments.
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func (nm NotificationMap) mapNotificationPhotos(IDs []uint64) {
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type scanner struct {
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PhotoID uint64
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NotificationID uint64
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}
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var scan []scanner
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// Load all of these that have photos.
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err := DB.Table(
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"notifications",
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).Joins(
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"JOIN photos ON (notifications.table_name='photos' AND notifications.table_id=photos.id)",
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).Select(
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"photos.id AS photo_id",
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"notifications.id AS notification_id",
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).Where(
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"notifications.id IN ?",
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IDs,
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).Scan(&scan)
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if err.Error != nil {
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log.Error("Couldn't select photo IDs for notifications: %s", err.Error)
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}
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// Collect and load all the photos by ID.
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var photoIDs = []uint64{}
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for _, row := range scan {
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// Store the photo ID in the result now.
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nm[row.NotificationID].PhotoID = row.PhotoID
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photoIDs = append(photoIDs, row.PhotoID)
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}
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// Load the photos.
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if len(photoIDs) > 0 {
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if photos, err := GetPhotos(photoIDs); err != nil {
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log.Error("Couldn't load photo IDs for notifications: %s", err)
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} else {
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// Marry them to their notification IDs.
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for _, body := range nm {
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if photo, ok := photos[body.PhotoID]; ok {
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body.Photo = photo
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}
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}
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}
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}
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}
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|
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// Helper function of MapNotifications to eager load Thread attachments.
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func (nm NotificationMap) mapNotificationThreads(IDs []uint64) {
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type scanner struct {
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ThreadID uint64
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NotificationID uint64
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}
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var scan []scanner
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|
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// Load all of these that have threads.
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err := DB.Table(
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"notifications",
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).Joins(
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"JOIN threads ON (notifications.table_name='threads' AND notifications.table_id=threads.id)",
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).Select(
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"threads.id AS thread_id",
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"notifications.id AS notification_id",
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).Where(
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"notifications.id IN ?",
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IDs,
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).Scan(&scan)
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if err.Error != nil {
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log.Error("Couldn't select thread IDs for notifications: %s", err.Error)
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}
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|
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// Collect and load all the threads by ID.
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var threadIDs = []uint64{}
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for _, row := range scan {
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// Store the thread ID in the result now.
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nm[row.NotificationID].ThreadID = row.ThreadID
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threadIDs = append(threadIDs, row.ThreadID)
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}
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// Load the threads.
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if len(threadIDs) > 0 {
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if threads, err := GetThreads(threadIDs); err != nil {
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log.Error("Couldn't load thread IDs for notifications: %s", err)
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} else {
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// Marry them to their notification IDs.
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for _, body := range nm {
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if thread, ok := threads[body.ThreadID]; ok {
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body.Thread = thread
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}
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}
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}
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}
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}
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// Helper function of MapNotifications to eager load Forum attachments.
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func (nm NotificationMap) mapNotificationForums(IDs []uint64) {
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type scanner struct {
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ForumID uint64
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NotificationID uint64
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}
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|
var scan []scanner
|
|
|
|
// Load all of these that have forums.
|
|
err := DB.Table(
|
|
"notifications",
|
|
).Joins(
|
|
"JOIN forums ON (notifications.table_name='forums' AND notifications.table_id=forums.id)",
|
|
).Select(
|
|
"forums.id AS forum_id",
|
|
"notifications.id AS notification_id",
|
|
).Where(
|
|
"notifications.id IN ?",
|
|
IDs,
|
|
).Scan(&scan)
|
|
if err.Error != nil {
|
|
log.Error("Couldn't select forum IDs for notifications: %s", err.Error)
|
|
}
|
|
|
|
// Collect and load all the forums by ID.
|
|
var forumIDs = []uint64{}
|
|
for _, row := range scan {
|
|
// Store the forum ID in the result now.
|
|
nm[row.NotificationID].ForumID = row.ForumID
|
|
forumIDs = append(forumIDs, row.ForumID)
|
|
}
|
|
|
|
// Load the forums.
|
|
if len(forumIDs) > 0 {
|
|
if forums, err := GetForums(forumIDs); err != nil {
|
|
log.Error("Couldn't load forum IDs for notifications: %s", err)
|
|
} else {
|
|
// Marry them to their notification IDs.
|
|
for _, body := range nm {
|
|
if forum, ok := forums[body.ForumID]; ok {
|
|
body.Forum = forum
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Helper function of MapNotifications to eager load Comment attachments.
|
|
func (nm NotificationMap) mapNotificationComments(IDs []uint64) {
|
|
type scanner struct {
|
|
CommentID uint64
|
|
NotificationID uint64
|
|
}
|
|
var scan []scanner
|
|
|
|
// Load all of these that have comments.
|
|
err := DB.Table(
|
|
"notifications",
|
|
).Joins(
|
|
"JOIN comments ON (notifications.table_name='comments' AND notifications.table_id=comments.id)",
|
|
).Select(
|
|
"comments.id AS comment_id",
|
|
"notifications.id AS notification_id",
|
|
).Where(
|
|
"notifications.id IN ?",
|
|
IDs,
|
|
).Scan(&scan)
|
|
if err.Error != nil {
|
|
log.Error("Couldn't select comment IDs for notifications: %s", err.Error)
|
|
}
|
|
|
|
// Collect and load all the comments by ID.
|
|
var commentIDs = []uint64{}
|
|
for _, row := range scan {
|
|
// Store the comment ID in the result now.
|
|
nm[row.NotificationID].CommentID = row.CommentID
|
|
commentIDs = append(commentIDs, row.CommentID)
|
|
}
|
|
|
|
// Load the comments.
|
|
if len(commentIDs) > 0 {
|
|
if comments, err := GetComments(commentIDs); err != nil {
|
|
log.Error("Couldn't load comment IDs for notifications: %s", err)
|
|
} else {
|
|
// Marry them to their notification IDs.
|
|
for _, body := range nm {
|
|
if comment, ok := comments[body.CommentID]; ok {
|
|
body.Comment = comment
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|