增加城市疫情查询 (#146)

* 增加城市疫情查询

* 增加城市疫情查询

* 增加城市疫情查询

* 增加城市疫情查询

* 增加查询城市疫情

* 增加城市查询疫情

* 增加城市疫情查询

* Update epidemic.go

Co-authored-by: 源文雨 <41315874+fumiama@users.noreply.github.com>

plugin/epidemic/epidemic.go

@@ -0,0 +1,125 @@
+// Package epidemic 城市疫情查询
+package epidemic
+
+import (
+	"encoding/json"
+	"strconv"
+
+	control "github.com/FloatTech/zbputils/control"
+	"github.com/FloatTech/zbputils/control/order"
+	"github.com/FloatTech/zbputils/process"
+	"github.com/FloatTech/zbputils/web"
+	log "github.com/sirupsen/logrus"
+	zero "github.com/wdvxdr1123/ZeroBot"
+	"github.com/wdvxdr1123/ZeroBot/message"
+)
+
+const (
+	servicename = "epidemic"
+	txurl       = "https://view.inews.qq.com/g2/getOnsInfo?name=disease_h5"
+)
+
+// result 疫情查询结果
+type result struct {
+	Ret  int    `json:"ret"`
+	Data string `json:"data"`
+}
+
+// epidemic 疫情数据
+type epidemic struct {
+	LastUpdateTime string `json:"lastUpdateTime"`
+	AreaTree       []*area `json:"areaTree"`
+}
+
+// area 城市疫情数据
+type area struct {
+	Name  string `json:"name"`
+	Today struct {
+		Confirm int `json:"confirm"`
+	} `json:"today"`
+	Total struct {
+		NowConfirm int    `json:"nowConfirm"`
+		Confirm    int    `json:"confirm"`
+		Dead       int    `json:"dead"`
+		Heal       int    `json:"heal"`
+		Grade      string `json:"grade"`
+	} `json:"total"`
+	Children []*area `json:"children"`
+}
+
+func init() {
+	engine := control.Register(servicename, order.AcquirePrio(), &control.Options{
+		DisableOnDefault: true,
+		Help: "本插件用于查询城市疫情状况\n" +
+			"使用方法列如： 北京疫情  \n",
+	})
+	engine.OnSuffix("疫情").SetBlock(true).
+		Handle(func(ctx *zero.Ctx) {
+			text := ctx.State["args"].(string)
+			if text == "" {
+				ctx.SendChain(message.Text("你还没有输入城市名字呢！"))
+				return
+			}
+			process.SleepAbout1sTo2s()
+			data, times := queryEpidemic(text)
+			if data == nil {
+				ctx.SendChain(message.Text("没有找到【" + text + "】城市的疫情数据."))
+				return
+			}
+			msgtext := "【" + data.Name + "】疫情数据:\n" +
+				"新增：" + strconv.Itoa(data.Today.Confirm) +
+				" ,现有确诊：" + strconv.Itoa(data.Total.NowConfirm) +
+				" ,治愈：" + strconv.Itoa(data.Total.Heal) +
+				" ,死亡：" + strconv.Itoa(data.Total.Dead) + " " + data.Total.Grade
+			ctx.SendChain(
+				message.Text(msgtext),
+				message.Text("\n"),
+				message.Text("更新时间："+times),
+				message.Text("\n"),
+				message.Text("温馨提示：请大家做好防疫工作，出门带好口罩！"),
+			)
+		})
+}
+
+// rcity 查找城市
+func rcity(a *area, cityName string) *area {
+	if a == nil {
+		return nil
+	}
+	if a.Name == cityName {
+		return a
+	}
+	for _, v := range a.Children {
+		if v.Name == cityName {
+			return v
+		}
+		c := rcity(v, cityName)
+		if c != nil {
+			return c
+		}
+	}
+	return nil
+}
+
+// queryEpidemic 查询城市疫情
+func queryEpidemic(findCityName string) (citydata *area, times string) {
+	response, err := web.GetData(txurl)
+	if err != nil {
+		log.Errorln("[txurl-err]:", err)
+		return nil, ""
+	}
+	var r result
+	err = json.Unmarshal(response, &r)
+	if err != nil {
+		log.Errorln("[txjson-Result-err]:", err)
+		return nil, ""
+	}
+	var e epidemic
+	err = json.Unmarshal([]byte(r.Data), &e)
+	if err != nil {
+		log.Errorln("[txjson-Epidemic-err]:", err)
+		return nil, ""
+	}
+	citydata = rcity(&e.AreaTree[0], findCityName)
+	return citydata, e.LastUpdateTime
+}