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package model
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import (
"catface/app/global/variable"
"catface/app/utils/data_bind"
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"log"
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"github.com/gin-gonic/gin"
"go.uber.org/zap"
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"gorm.io/gorm"
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)
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func CreateEncounterFactory(sqlType string) *Encounter {
return &Encounter{BaseModel: BaseModel{DB: UseDbConn(sqlType)}}
}
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type Encounter struct { // Encounter 或者称为 post指的就是 Human 单次的记录。
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BaseModel
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// TAG 外键关联
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UsersModelId int64 `gorm:"column:user_id" json:"user_id"`
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UsersModel UsersModel
AnimalsId string `gorm:"size:20" json:"animals_id"` // TODO 关联对象存在上限
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Title string `gorm:"size:20;column:title" json:"title"`
Content string `json:"content"`
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// Time 从 CreatedAt 中解析
// TAG Avatar 最好是压缩后的备份图像
Avatar string `gorm:"type:varchar(1s0)" json:"avatar,omitempty"` // 缩略图 url为 Go 获取 Photo 之后压缩处理后的图像,单独存储。
AvatarHeight uint16 `json:"avatar_height,omitempty"` // 为了方便前端在加载图像前的骨架图 & 瀑布流展示。
AvatarWidth uint16 `json:"avatar_width,omitempty"`
Photos string `gorm:"type:varchar(100)" json:"photos,omitempty"` // 图片数组
// POI
Latitude float64 `json:"latitude,omitempty"` // POI 位置相关
Longitude float64 `json:"longitude,omitempty"`
// TODO Comment Num 然后去统计?
}
func (e *Encounter) TableName() string {
return "encounters"
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}
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func (e *Encounter) InsertDate(c *gin.Context) bool {
var tmp Encounter
if err := data_bind.ShouldBindFormDataToModel(c, &tmp); err == nil {
if res := e.Create(&tmp); res.Error == nil {
return true
} else {
variable.ZapLog.Error("Encounter 数据新增出错", zap.Error(res.Error))
}
} else {
variable.ZapLog.Error("Encounter 数据绑定出错", zap.Error(err))
}
return false
}
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func (e *Encounter) Show(num, skip, user_id int) (temp []EncounterList) {
sql := `
SELECT e.id, e.user_id, title, avatar, avatar_height, avatar_width, e.updated_at, user_name, user_avatar,
EXISTS (
SELECT 1
FROM encounter_likes l
WHERE l.user_id = ? AND l.encounter_id = e.id
) AS ue_like
FROM encounters e
JOIN tb_users u ON e.user_id = u.id
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LIMIT ? OFFSET ?
`
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// err := e.Raw(sql, user_id, num, skip).Scan(&temp).Error
// fmt.Println(err)
var rows *gorm.DB
if rows = e.Raw(sql, user_id, num, skip); rows.Error != nil {
log.Println("查询失败:", rows.Error)
return nil
}
// 获取底层的 sql.Rows 对象
sqlRows, err := rows.Rows()
if err != nil {
log.Println("获取 sql.Rows 失败:", err)
return nil
}
defer sqlRows.Close()
for sqlRows.Next() {
var item EncounterList
var ueLikeInt int
dest := []interface{}{
&item.Id, &item.UserId, &item.Title, &item.Avatar, &item.AvatarHeight, &item.AvatarWidth, &item.UpdatedAt, &item.UserName, &item.UserAvatar, &ueLikeInt,
}
if err := sqlRows.Scan(dest...); err != nil {
log.Println("扫描失败:", err)
continue
}
item.Like = ueLikeInt == 1
temp = append(temp, item)
}
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return
}
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func (e *Encounter) ShowByID(id int64) (temp *Encounter, err error) {
// 1. search encounter
if err = e.Where("id = ?", id).First(&temp).Error; err != nil {
return
}
return
// // 2. search user data
// user := UsersModel{BaseModel: BaseModel{Id: encounter.UsersModelId}}
// if err := user.Select("user_name", "user_avatar").First(&user).Error; err != nil {
// return
// }
// // 3. search animals data
// animals_id := query_handler.StringToint64Array(encounter.AnimalsId)
// var animals []Animal
// if err := e.Model(&animals).Select("id", "avatar", "name").Where("id in (?)", animals_id).Find(&animals).Error; err != nil {
// return
// }
// // TODO 4. 然后整合
// return
}