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campaignModel.go
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/
campaignModel.go
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package models
import (
"errors"
"github.com/hielkefellinger/go-dnd/app/helpers"
"gorm.io/gorm"
"log"
)
type Campaign struct {
gorm.Model
Private bool
Active bool `gorm:"-"`
UserIsLead bool `gorm:"-"`
Title string `form:"title"`
GameFile string
Description string `form:"description"`
Password string `form:"password"`
PasswordCheck string `gorm:"-" form:"passwordCheck"`
LeadID uint
Lead User `gorm:"foreignKey:LeadID"`
Users []User `gorm:"many2many:campaign_users;"`
Characters []Character `gorm:"many2many:campaign_characters;"`
}
type CampaignService struct{}
func (service *CampaignService) InsertCampaign(campaign *Campaign) error {
// Check password match
if campaign.PasswordCheck != campaign.Password {
return errors.New("passwords do not match")
}
// Hash & update password
hashByteArray, err := helpers.HashPassword(campaign.Password)
if err != nil {
return errors.New("password could not be hashed")
}
campaign.Password = string(hashByteArray)
// Attempt to save
if result := DB.Create(&campaign); result.Error != nil {
return errors.New("campaign could not created")
}
return nil
}
func (service *CampaignService) AddUserToCampaign(user User, campaign Campaign) error {
if err := DB.Model(&campaign).Association("Users").Append(&user); err != nil {
return err
}
return nil
}
func (service *CampaignService) RetrieveCampaignsLinkedToUser(user User) ([]Campaign, error) {
var campaigns []Campaign
var campaignIds []uint
DB.Distinct("campaign_id").
Table("campaign_users").
Where("user_id = ?", user.ID).
Find(&campaignIds)
log.Println(campaignIds)
result := DB.Where(&Campaign{LeadID: user.ID}).
Or("id IN ?", campaignIds).
Preload("Users").
Find(&campaigns)
return campaigns, result.Error
}
func (service *CampaignService) RetrieveCampaignsById(id uint) (Campaign, error) {
var campaign Campaign
result := DB.Where("id = ?", id).
Preload("Users").
Find(&campaign)
return campaign, result.Error
}
func (service *CampaignService) RetrieveCampaignsByIds(ids []uint) ([]Campaign, error) {
// Ensure a return
if len(ids) == 0 {
return make([]Campaign, 0), nil
}
var campaigns []Campaign
result := DB.Where("id IN ?", ids).
Find(&campaigns)
return campaigns, result.Error
}