catface_backend_go/app/http/controller/web/animal_controller.go

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package web
import (
"catface/app/global/consts"
"catface/app/global/errcode"
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"catface/app/global/variable"
"catface/app/http/validator/core/data_transfer"
"catface/app/model"
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"catface/app/model_es"
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"catface/app/model_redis"
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"catface/app/service/animals/curd"
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"catface/app/service/catface"
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"catface/app/service/upload_file"
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"catface/app/utils/query_handler"
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"catface/app/utils/response"
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"os"
"path/filepath"
"strconv"
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"github.com/gin-gonic/gin"
)
type Animals struct { // INFO 起到一个标记的作用,这样 web.xxx 的时候不同模块就不会命名冲突了。
}
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func (a *Animals) Guess(context *gin.Context) {
// 1. Get Params
filePath := context.GetString(consts.ValidatorPrefix + "file_path")
// 2. Get Result
catRes := catface.GetCatfaceResult(filePath)
// 3. Response
type subT struct {
Id int64 `json:"id"`
Name string `json:"name"`
Status uint8 `json:"status"`
Department uint8 `json:"department"`
}
type t struct {
List []subT `json:"list"`
}
var resList t
for _, v := range catRes.Cats {
resList.List = append(resList.List, subT{
Id: v.Id,
Name: model.CreateAnimalFactory("").ShowByID(v.Id).Name,
Status: model.CreateAnimalFactory("").ShowByID(v.Id).Status,
Department: model.CreateAnimalFactory("").ShowByID(v.Id).Department,
})
}
response.Success(context, consts.CurdStatusOkMsg, resList)
}
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func (a *Animals) List(context *gin.Context) {
// 1. Get Params
attrs := context.GetString(consts.ValidatorPrefix + "attrs")
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gender := context.GetString(consts.ValidatorPrefix + "gender")
breed := context.GetString(consts.ValidatorPrefix + "breed")
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sterilization := context.GetString(consts.ValidatorPrefix + "sterilization")
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status := context.GetString(consts.ValidatorPrefix + "status")
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department := context.GetString(consts.ValidatorPrefix + "department")
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num := int(context.GetFloat64(consts.ValidatorPrefix + "num"))
skip := int(context.GetFloat64(consts.ValidatorPrefix + "skip"))
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userId := context.GetFloat64(consts.ValidatorPrefix + "user_id")
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mode := context.GetString(consts.ValidatorPrefix + "mode")
// TAG prefer MODE 查询模式。
redis_selctedCatsId := model_redis.CreateSelectedAnimal4Prefer()
var animalsWithLike []model.AnimalWithLikeList
if mode == consts.AnimalModePrefer {
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key := int64(context.GetFloat64(consts.ValidatorPrefix + "key"))
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if key != 0 {
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if ok, err := redis_selctedCatsId.GetDataByKey(key); !ok {
_ = err // TODO
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}
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} else {
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redis_selctedCatsId.GenerateKey()
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}
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if redis_selctedCatsId.Length() == skip {
preferCats, _ := getPreferCats(int(userId), num, attrs, redis_selctedCatsId)
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if len(preferCats) > 0 {
animalsWithLike = preferCats
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}
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// TODO 刷新 Redis 有效期
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if ok, err := redis_selctedCatsId.SetDataByKey(); !ok {
_ = err // TODO
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}
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}
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}
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// 计算还需要多少毛茸茸
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num -= len(animalsWithLike)
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skip = max(0, skip-redis_selctedCatsId.Length())
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if num > 0 {
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additionalAnimals := curd.CreateAnimalsCurdFactory().List(attrs, gender, breed, sterilization, status, department, redis_selctedCatsId.GetAllIds(), num, skip, int(userId))
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// 将 additionalAnimals 整合到 animalsWithLike 的后面
animalsWithLike = append(animalsWithLike, additionalAnimals...)
}
if animalsWithLike != nil {
response.Success(context, consts.CurdStatusOkMsg, gin.H{
"animals": animalsWithLike,
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"key": redis_selctedCatsId.GetKey(),
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})
} else {
response.Fail(context, errcode.AnimalNoFind, errcode.ErrMsg[errcode.AnimalNoFind], errcode.ErrMsgForUser[errcode.AnimalNoFind])
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}
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}
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/**
* @description: 在常规条件过滤查询之前通过一定规则获取偏好的目标
* @param {*} userId
* @param {int} num
* @param {string} attrs
* @param {model_redis.SelectedAnimal4Prefer} redis 使用单独的结构体更清晰的控制中间状态
* @return {*}
*/
func getPreferCats(userId, num int, attrs string, redis *model_redis.SelectedAnimal4Prefer) (list []model.AnimalWithLikeList, err error) {
// STAGE #1 无视过滤条件,获取路遇“过”的 id 列表;先获取 ID然后再去查询细节信息。
ids, err := model.CreateEncounterFactory("").EncounteredCatsId(userId, num, redis.NumEnc(), redis.NewCatsId)
// STAGE #2 获取近期新增的毛茸茸;只在第一次操作 && 数量不够时 启用。
var idsNew []int64
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if redis.NotPassNew() { // UPDATE && len(ids) < num 调整为第一次访问时一定会次优先返回 NewCats 的推荐。
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// 获取近期新增的毛茸茸
newCats, _ := model.CreateAnimalFactory("").NewCatsId(3, 0) // INFO 硬编码获取最新的 3 个。
// 去重:默认只会在首次查询时启用,所以只需要去重 STAGE#1 的 ids。
uniqueIds := make(map[int64]bool)
for _, id := range ids {
uniqueIds[id] = true
}
for _, id := range newCats {
if _, ok := uniqueIds[id]; !ok {
idsNew = append(idsNew, id)
}
}
}
// 3. 合并然后查询数据 && 处理 redis 之间的处理。
redis.AppendEncIds(ids)
if len(idsNew) > 0 {
ids = append(ids, idsNew...)
redis.NewCatsId = idsNew
}
if err == nil && len(ids) > 0 {
attrsSlice := query_handler.StringToStringArray(attrs)
attrsSlice = append(attrsSlice, "id")
animalMap := make(map[int64]model.Animal, len(ids))
animals := model.CreateAnimalFactory("").ShowByIDs(ids, attrsSlice...)
for _, v := range animals {
animalMap[v.Id] = v
}
// 根据 preferCatsId 的顺序重构最终结果列表
for _, id := range ids {
if animal, ok := animalMap[id]; ok {
list = append(list, model.AnimalWithLikeList{Animal: animal})
}
}
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}
return
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}
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// v0.1
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// func (a *Animals) Detail(context *gin.Context) {
// // 1. Get Params
// anmId, err := strconv.Atoi(context.Param("anm_id"))
// // 2. Select & Filter
// var animal model.Animal
// err = variable.GormDbMysql.Table("animals").Model(&animal).Where("id = ?", anmId).Scan(&animal).Error // TIP GORM.First 采取默认的
// if err != nil {
// response.Fail(context, errcode.ErrAnimalSqlFind, errcode.ErrMsg[errcode.ErrAnimalSqlFind], err) // UPDATE consts ?
// } else {
// response.Success(context, consts.CurdStatusOkMsg, animal)
// }
// }
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func (a *Animals) Detail(context *gin.Context) {
// 1. Get Params
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anmId := context.GetFloat64(consts.ValidatorPrefix + "anm_id")
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animal := curd.CreateAnimalsCurdFactory().Detail(int64(anmId))
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if animal != nil {
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response.Success(context, consts.CurdStatusOkMsg, animal)
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} else {
response.Fail(context, errcode.AnimalNoFind, errcode.ErrMsg[errcode.AnimalNoFind], "")
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}
}
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func (a *Animals) Create(context *gin.Context) {
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userId := strconv.Itoa(int(context.GetFloat64(consts.ValidatorPrefix + "user_id")))
// STAGE-1 Get Params
photos := data_transfer.GetStringSlice(context, "photos")
if len(photos) > 0 {
avatar := photos[0]
avatarWidth := variable.ConfigYml.GetFloat64("FileUploadSetting.AvatarWidth")
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srcPath := filepath.Join(variable.ConfigYml.GetString("FileUploadSetting.UploadFileSavePath"), "catsPhotos", "hum_"+userId, avatar)
dstPath := filepath.Join(variable.ConfigYml.GetString("FileUploadSetting.UploadFileSavePath"), "catsAvatar", avatar)
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avatarHeight, err := upload_file.ResizeImage(srcPath, dstPath, int(avatarWidth))
if err != nil {
response.Fail(context, consts.FilesUploadFailCode, consts.FilesUploadFailMsg, "")
return
}
context.Set(consts.ValidatorPrefix+"avatar", avatar)
context.Set(consts.ValidatorPrefix+"avatar_height", float64(avatarHeight))
context.Set(consts.ValidatorPrefix+"avatar_width", float64(avatarWidth))
}
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poi := context.GetStringMap(consts.ValidatorPrefix + "poi")
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if poi != nil {
// 感觉这里就是获取信息之后,然后解析后再存储,方便后续 Model 直接绑定到数据。
latitude := poi["latitude"].(float64)
longitude := poi["longitude"].(float64)
context.Set(consts.ValidatorPrefix+"latitude", latitude)
context.Set(consts.ValidatorPrefix+"longitude", longitude)
}
health := context.GetStringMap(consts.ValidatorPrefix + "health")
if health != nil {
sterilization := health["sterilization"].(float64)
vaccination := health["vaccination"].(float64)
deworming := health["deworming"].(float64)
context.Set(consts.ValidatorPrefix+"sterilization", sterilization)
context.Set(consts.ValidatorPrefix+"vaccination", vaccination)
context.Set(consts.ValidatorPrefix+"deworming", deworming)
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}
extra := context.GetStringMap(consts.ValidatorPrefix + "extra")
var nickNames []string
var tags []string
if extra != nil {
context.Set(consts.ValidatorPrefix+"nick_names", extra["nick_names"])
context.Set(consts.ValidatorPrefix+"tags", extra["tags"])
nickNames = data_transfer.GetStringSlice(context, "nick_names")
tags = data_transfer.GetStringSlice(context, "tags")
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context.Set(consts.ValidatorPrefix+"nick_names_list", nickNames)
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context.Set(consts.ValidatorPrefix+"nick_names", nickNames)
context.Set(consts.ValidatorPrefix+"tags", tags) // UPDATE 有点冗余,但是不用复杂代码;
}
// STAGE-2
if res, err := data_transfer.ConvertSliceToString(photos); err == nil {
context.Set(consts.ValidatorPrefix+"photos", res)
} else {
response.Fail(context, consts.ValidatorParamsCheckFailCode, consts.ValidatorParamsCheckFailMsg, "")
return
}
if res, err := data_transfer.ConvertSliceToString(nickNames); err == nil {
context.Set(consts.ValidatorPrefix+"nick_names", res)
} else {
response.Fail(context, consts.ValidatorParamsCheckFailCode, consts.ValidatorParamsCheckFailMsg, "")
return
}
if res, err := data_transfer.ConvertSliceToString(tags); err == nil {
context.Set(consts.ValidatorPrefix+"tags", res)
} else {
response.Fail(context, consts.ValidatorParamsCheckFailCode, consts.ValidatorParamsCheckFailMsg, "")
return
}
// STAGE-3
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if animal, ok := model.CreateAnimalFactory("").InsertDate(context); ok {
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// 转移 photos 到 anm采用 rename dir 的方式
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oldName := filepath.Join(variable.ConfigYml.GetString("FileUploadSetting.UploadFileSavePath"), "catsPhotos", "hum_"+userId)
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newName := filepath.Join(variable.ConfigYml.GetString("FileUploadSetting.UploadFileSavePath"), "catsPhotos", "anm_"+strconv.FormatInt(animal.Id, 10))
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err := os.Rename(oldName, newName)
if err != nil {
// TODO 特殊返回,成功了一半?或者需要清空原有的操作?不过感觉这一步几乎不会出错。
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// TODO 或许直接采用 go 会比较好呢?
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}
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// 2. 将部分数据插入 ES
go model_es.CreateAnimalESFactory(&animal).InsertDocument()
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response.Success(context, consts.CurdStatusOkMsg, gin.H{
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"anm_id": animal.Id,
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})
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} else {
response.Fail(context, consts.CurdCreatFailCode, consts.CurdCreatFailMsg+",新增错误", "")
}
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}
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func (a *Animals) Name(context *gin.Context) {
attrs := context.GetString(consts.ValidatorPrefix + "attrs")
name := context.GetString(consts.ValidatorPrefix + "name")
animals := curd.CreateAnimalsCurdFactory().ShowByName(attrs, name)
if animals != nil {
response.Success(context, consts.CurdStatusOkMsg, animals)
} else {
response.Fail(context, errcode.AnimalNoFind, errcode.ErrMsg[errcode.AnimalNoFind], "")
}
}