初始

api/v1/common/source/clt/clt.go

@@ -0,0 +1,133 @@
+package clt
+
+import (
+	"bytes"
+	"compress/gzip"
+	"encoding/json"
+	"fmt"
+	"github.com/gogf/gf/v2/net/ghttp"
+	"github.com/tiger1103/gfast/v3/api/v1/common/globe"
+	"github.com/tiger1103/gfast/v3/api/v1/common/tool"
+	"github.com/tiger1103/gfast/v3/database"
+	"github.com/tiger1103/gfast/v3/database/sqlite"
+	"io"
+	"net/http"
+	"os"
+	"path"
+	"strings"
+)
+
+func InitCltData(group *ghttp.RouterGroup) {
+	group.GET("/data/tileset/{source_id}/*.action", cltCallback)
+	group.GET("/data/bim/{source_id}/*.action", cltCallback)
+}
+
+func GetTile(sourceid, p string) []byte {
+	md5 := tool.Md5V(p)
+	tile := globe.Tile{}
+	database.GetSourceDB(sourceid).DB.Select("tile").Where("md5=?", md5).First(&tile)
+
+	// 创建一个字节缓冲区，并将压缩数据写入其中
+	buf := bytes.NewBuffer(tile.Tile)
+	// 创建一个gzip.Reader对象，用于解压缩数据
+	reader, _ := gzip.NewReader(buf)
+	defer reader.Close()
+	// 读取解压缩后的数据
+	decompressedData, _ := io.ReadAll(reader)
+	return decompressedData
+}
+func cltCallback(request *ghttp.Request) {
+	sourceId := request.Get("source_id").String()
+	cltObj := database.GetSourceDB(sourceId)
+	if cltObj.DB == nil {
+		request.Response.WriteStatus(http.StatusNotFound)
+		return
+	}
+	argcs := strings.Split(request.RequestURI, "/")
+	argcs = argcs[7:]
+	md5 := tool.Md5V(strings.Join(argcs, "/"))
+	tile := globe.Tile{}
+	RowsAffected := cltObj.DB.Select("tile").Where("md5=?", md5).Find(&tile).RowsAffected
+	if RowsAffected == 0 {
+		request.Response.WriteStatus(http.StatusNotFound)
+		return
+	}
+	suffix := path.Ext(request.RequestURI)
+	if suffix == ".json" {
+		request.Response.Header().Set("content-type", "application/json")
+	} else {
+		request.Response.Header().Set("content-type", "application/octet-stream")
+	}
+	if cltObj.Gzip {
+		request.Response.Header().Set("Content-Encoding", "gzip")
+	}
+	globe.RenderData(request, tile.Tile)
+}
+
+type Info struct {
+	Params string `json:"params"`
+}
+
+type parseIsZip struct {
+	Zip bool `json:"zip"`
+}
+type IsJct struct {
+	Jct bool `json:"jct"`
+}
+
+func OpenClt(cltPath string, sourceID string) (error, *database.SourceObj) {
+	//if !globe.IS_OFFLINE_VERSION {
+	//	//网络版事  需要拼接数据地址，方便服务器迁移
+
+	if !tool.PathExists(cltPath) {
+		getwd, err := os.Getwd()
+		if err != nil {
+			return err, nil
+		}
+		cltPath = path.Join(getwd, cltPath)
+	}
+
+	//}
+	fmt.Println(cltPath)
+	if tool.PathExists(cltPath) {
+		db, err := sqlite.OpenDB(cltPath)
+		if err != nil {
+			return err, nil
+		}
+		var obj database.SourceObj
+		obj.DB = db
+		var info []Info
+		db.Model(&Info{}).Find(&info)
+		p := parseIsZip{}
+		errs := json.Unmarshal([]byte(info[0].Params), &p)
+		if errs == nil {
+			obj.Gzip = p.Zip
+		}
+		suffix := path.Ext(cltPath)
+		if suffix == globe.CLT {
+			obj.Type = globe.TILESET
+			obj.Url = "/zm/api/v1/data/tileset/" + sourceID + "/tileset.json"
+
+		} else {
+			obj.Type = globe.BIM
+			obj.Url = "/zm/api/v1/data/bim/" + sourceID + "/tileset.json"
+			if len(info) < 2 {
+				//非jct资源
+				globe.CloseDB(db)
+				return globe.GetErrors("非jct资源"), nil
+			}
+			isjct := IsJct{}
+			errs := json.Unmarshal([]byte(info[1].Params), &isjct)
+			if errs != nil {
+				globe.CloseDB(db)
+				return globe.GetErrors("jct资源检测失败"), nil
+			}
+		}
+
+		database.SetSourceDB(sourceID, obj)
+		return err, &obj
+	}
+	fmt.Println("资源不存在:" + cltPath)
+	return globe.GetErrors("资源不存在:" + cltPath), nil
+
+}