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// Copyright 2022 ROC. All rights reserved.
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// Use of this source code is governed by a MIT style
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// license that can be found in the LICENSE file.
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package dbr
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import (
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"time"
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"gorm.io/gorm"
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)
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// 类型，1标题，2文字段落，3图片地址，4视频地址，5语音地址，6链接地址，7附件资源
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type PostContentT int
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const (
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ContentTypeTitle PostContentT = iota + 1
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ContentTypeText
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ContentTypeImage
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ContentTypeVideo
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ContentTypeAudio
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ContentTypeLink
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ContentTypeAttachment
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ContentTypeChargeAttachment
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)
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var (
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mediaContentType = []PostContentT{
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ContentTypeImage,
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ContentTypeVideo,
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ContentTypeAudio,
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ContentTypeAttachment,
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ContentTypeChargeAttachment,
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}
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)
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type PostContent struct {
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*Model
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PostID int64 `json:"post_id"`
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UserID int64 `json:"user_id"`
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Content string `json:"content"`
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Type PostContentT `json:"type"`
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Sort int64 `json:"sort"`
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}
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type PostContentFormated struct {
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ID int64 `db:"id" json:"id"`
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PostID int64 `json:"post_id"`
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Content string `json:"content"`
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Type PostContentT `json:"type"`
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Sort int64 `json:"sort"`
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}
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func (p *PostContent) DeleteByPostId(db *gorm.DB, postId int64) error {
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return db.Model(p).Where("post_id = ?", postId).Updates(map[string]any{
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"deleted_on": time.Now().Unix(),
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"is_del": 1,
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}).Error
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}
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func (p *PostContent) MediaContentsByPostId(db *gorm.DB, postId int64) (contents []string, err error) {
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err = db.Model(p).Where("post_id = ? AND type IN ?", postId, mediaContentType).Select("content").Find(&contents).Error
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return
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}
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func (p *PostContent) Create(db *gorm.DB) (*PostContent, error) {
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err := db.Create(&p).Error
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return p, err
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}
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func (p *PostContent) Format() *PostContentFormated {
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if p.Model == nil {
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return nil
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}
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return &PostContentFormated{
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ID: p.ID,
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PostID: p.PostID,
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Content: p.Content,
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Type: p.Type,
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Sort: p.Sort,
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}
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}
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func (p *PostContent) List(db *gorm.DB, conditions *ConditionsT, offset, limit int) ([]*PostContent, error) {
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var contents []*PostContent
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var err error
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if offset >= 0 && limit > 0 {
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db = db.Offset(offset).Limit(limit)
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}
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if p.PostID > 0 {
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db = db.Where("id = ?", p.PostID)
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}
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for k, v := range *conditions {
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if k == "ORDER" {
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db = db.Order(v)
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} else {
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db = db.Where(k, v)
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}
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}
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if err = db.Where("is_del = ?", 0).Find(&contents).Error; err != nil {
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return nil, err
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}
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return contents, nil
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}
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func (p *PostContent) Get(db *gorm.DB) (*PostContent, error) {
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var content PostContent
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if p.Model != nil && p.ID > 0 {
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db = db.Where("id = ? AND is_del = ?", p.ID, 0)
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} else {
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return nil, gorm.ErrRecordNotFound
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}
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err := db.First(&content).Error
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if err != nil {
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return &content, err
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}
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return &content, nil
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}
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