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paopao-ce/internal/model/post.go

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package model
import (
"strings"
"time"
"gorm.io/gorm"
)
// PostVisibleT 可访问类型0公开1私密2好友
type PostVisibleT uint8
const (
PostVisitPublic PostVisibleT = iota
PostVisitPrivate
PostVisitFriend
PostVisitInvalid
)
type Post struct {
*Model
UserID int64 `json:"user_id"`
CommentCount int64 `json:"comment_count"`
CollectionCount int64 `json:"collection_count"`
UpvoteCount int64 `json:"upvote_count"`
Visibility PostVisibleT `json:"visibility"`
IsTop int `json:"is_top"`
IsEssence int `json:"is_essence"`
IsLock int `json:"is_lock"`
LatestRepliedOn int64 `json:"latest_replied_on"`
Tags string `json:"tags"`
AttachmentPrice int64 `json:"attachment_price"`
IP string `json:"ip"`
IPLoc string `json:"ip_loc"`
}
type PostFormated struct {
ID int64 `json:"id"`
UserID int64 `json:"user_id"`
User *UserFormated `json:"user"`
Contents []*PostContentFormated `json:"contents"`
CommentCount int64 `json:"comment_count"`
CollectionCount int64 `json:"collection_count"`
UpvoteCount int64 `json:"upvote_count"`
Visibility PostVisibleT `json:"visibility"`
IsTop int `json:"is_top"`
IsEssence int `json:"is_essence"`
IsLock int `json:"is_lock"`
LatestRepliedOn int64 `json:"latest_replied_on"`
CreatedOn int64 `json:"created_on"`
ModifiedOn int64 `json:"modified_on"`
Tags map[string]int8 `json:"tags"`
AttachmentPrice int64 `json:"attachment_price"`
IPLoc string `json:"ip_loc"`
}
func (p *Post) Format() *PostFormated {
if p.Model != nil {
tagsMap := map[string]int8{}
for _, tag := range strings.Split(p.Tags, ",") {
tagsMap[tag] = 1
}
return &PostFormated{
ID: p.ID,
UserID: p.UserID,
User: &UserFormated{},
Contents: []*PostContentFormated{},
CommentCount: p.CommentCount,
CollectionCount: p.CollectionCount,
UpvoteCount: p.UpvoteCount,
Visibility: p.Visibility,
IsTop: p.IsTop,
IsEssence: p.IsEssence,
IsLock: p.IsLock,
LatestRepliedOn: p.LatestRepliedOn,
CreatedOn: p.CreatedOn,
ModifiedOn: p.ModifiedOn,
AttachmentPrice: p.AttachmentPrice,
Tags: tagsMap,
IPLoc: p.IPLoc,
}
}
return nil
}
func (p *Post) Create(db *gorm.DB) (*Post, error) {
err := db.Create(&p).Error
return p, err
}
func (s *Post) Delete(db *gorm.DB) error {
return db.Model(&Post{}).Where("id = ? AND is_del = ?", s.Model.ID, 0).Updates(map[string]interface{}{
"deleted_on": time.Now().Unix(),
"is_del": 1,
}).Error
}
func (p *Post) Get(db *gorm.DB) (*Post, error) {
var post Post
if p.Model != nil && p.ID > 0 {
db = db.Where("id = ? AND is_del = ?", p.ID, 0)
} else {
return nil, gorm.ErrRecordNotFound
}
err := db.First(&post).Error
if err != nil {
return &post, err
}
return &post, nil
}
func (p *Post) List(db *gorm.DB, conditions *ConditionsT, offset, limit int) ([]*Post, error) {
var posts []*Post
var err error
if offset >= 0 && limit > 0 {
db = db.Offset(offset).Limit(limit)
}
if p.UserID > 0 {
db = db.Where("user_id = ?", p.UserID)
}
for k, v := range *conditions {
if k == "ORDER" {
db = db.Order(v)
} else {
db = db.Where(k, v)
}
}
if err = db.Where("is_del = ?", 0).Find(&posts).Error; err != nil {
return nil, err
}
return posts, nil
}
func (p *Post) Count(db *gorm.DB, conditions *ConditionsT) (int64, error) {
var count int64
if p.UserID > 0 {
db = db.Where("user_id = ?", p.UserID)
}
for k, v := range *conditions {
if k != "ORDER" {
db = db.Where(k, v)
}
}
if err := db.Model(p).Count(&count).Error; err != nil {
return 0, err
}
return count, nil
}
func (p *Post) Update(db *gorm.DB) error {
return db.Model(&Post{}).Where("id = ? AND is_del = ?", p.Model.ID, 0).Save(p).Error
}
func (p PostVisibleT) String() string {
switch p {
case PostVisitPublic:
return "public"
case PostVisitPrivate:
return "private"
case PostVisitFriend:
return "friend"
case PostVisitInvalid:
return "invalid"
default:
return "unknow"
}
}