Passport/pkg/internal/services/friendships.go

126 lines
4.0 KiB
Go

package services
import (
"errors"
"fmt"
"git.solsynth.dev/hydrogen/passport/pkg/internal/database"
"git.solsynth.dev/hydrogen/passport/pkg/internal/models"
"gorm.io/gorm"
)
func ListAllFriend(anyside models.Account) ([]models.AccountFriendship, error) {
var relationships []models.AccountFriendship
if err := database.C.
Where("account_id = ? OR related_id = ?", anyside.ID, anyside.ID).
Preload("Account").
Preload("Related").
Find(&relationships).Error; err != nil {
return relationships, err
}
return relationships, nil
}
func ListFriend(anyside models.Account, status models.FriendshipStatus) ([]models.AccountFriendship, error) {
var relationships []models.AccountFriendship
if err := database.C.
Where("(account_id = ? OR related_id = ?) AND status = ?", anyside.ID, anyside.ID, status).
Preload("Account").
Preload("Related").
Find(&relationships).Error; err != nil {
return relationships, err
}
return relationships, nil
}
func GetFriend(anysideId uint) (models.AccountFriendship, error) {
var relationship models.AccountFriendship
if err := database.C.
Where(&models.AccountFriendship{AccountID: anysideId}).
Or(&models.AccountFriendship{RelatedID: anysideId}).
Preload("Account").
Preload("Related").
First(&relationship).Error; err != nil {
return relationship, err
}
return relationship, nil
}
func GetFriendWithTwoSides(userId, relatedId uint, noPreload ...bool) (models.AccountFriendship, error) {
var tx *gorm.DB
if len(noPreload) > 0 && noPreload[0] {
tx = database.C
} else {
tx = database.C.Preload("Account").Preload("Related")
}
var relationship models.AccountFriendship
if err := tx.
Where(&models.AccountFriendship{AccountID: userId, RelatedID: relatedId}).
Or(&models.AccountFriendship{RelatedID: userId, AccountID: relatedId}).
First(&relationship).Error; err != nil {
return relationship, err
}
return relationship, nil
}
func NewFriend(user models.Account, related models.Account, status models.FriendshipStatus) (models.AccountFriendship, error) {
relationship := models.AccountFriendship{
AccountID: user.ID,
RelatedID: related.ID,
Status: status,
}
if user.ID == related.ID {
return relationship, fmt.Errorf("you cannot make friendship with yourself")
} else if _, err := GetFriendWithTwoSides(user.ID, related.ID, true); err == nil || !errors.Is(err, gorm.ErrRecordNotFound) {
return relationship, fmt.Errorf("you already have a friendship with him or her")
}
if err := database.C.Save(&relationship).Error; err != nil {
return relationship, err
} else {
_ = NewNotification(models.Notification{
Subject: fmt.Sprintf("New friend request from %s", user.Name),
Content: fmt.Sprintf("You got a new friend request from %s. Go to your settings and decide how to deal it.", user.Nick),
RecipientID: related.ID,
})
}
return relationship, nil
}
func EditFriendWithCheck(relationship models.AccountFriendship, user models.Account, originalStatus models.FriendshipStatus) (models.AccountFriendship, error) {
if relationship.Status != originalStatus {
if originalStatus == models.FriendshipBlocked && relationship.BlockedBy != nil && user.ID != *relationship.BlockedBy {
return relationship, fmt.Errorf("the friendship has been blocked by the otherside, you cannot modify it status")
}
if relationship.Status == models.FriendshipPending && relationship.RelatedID != user.ID {
return relationship, fmt.Errorf("only related person can accept friendship")
}
}
if originalStatus != models.FriendshipBlocked && relationship.Status == models.FriendshipBlocked {
relationship.BlockedBy = &user.ID
}
return EditFriend(relationship)
}
func EditFriend(relationship models.AccountFriendship) (models.AccountFriendship, error) {
if err := database.C.Save(&relationship).Error; err != nil {
return relationship, err
}
return relationship, nil
}
func DeleteFriend(relationship models.AccountFriendship) error {
if err := database.C.Delete(&relationship).Error; err != nil {
return err
}
return nil
}