增加双端下载

2026-06-30 16:16:55 +08:00
parent 7444fc5c48
commit bc605f303d
13 changed files with 739 additions and 0 deletions
@@ -0,0 +1,89 @@
+package versionApi
+
+import (
+	"net/http"
+	"stat/common/stdLog"
+	"stat/service/cpcDownloadCfgSer"
+	"stat/service/versionSer"
+	"strconv"
+	"strings"
+
+	"github.com/gin-gonic/gin"
+)
+
+// CpcDownload 双端下载
+// @Tags 双端下载
+// @Summary 双端下载
+// @Description 记录下载历史。android:302跳转到下载地址(优先按appId+channel取配置,否则取最新);ios:返回mobileconfig配置文件
+// @Produce octet-stream
+// @Param appId path int true "产品AppId"
+// @Param channel path string true "渠道(json字符串)"
+// @Param tid query string false "埋点traceID"
+// @Success 200 {file} file "ios返回mobileconfig文件"
+// @Success 302 {string} string "android跳转下载地址"
+// @Failure 400 {string} string "失败"
+// @Router /rsdownload/{appId}/{channel} [get]
+func CpcDownload(ctx *gin.Context) {
+	// 第一个参数 appId
+	appId, err := strconv.Atoi(ctx.Param("appId"))
+	if err != nil {
+		stdLog.ServerJSON(ctx, stdLog.ParamError, err.Error())
+		return
+	}
+	// 第二个参数 channel(渠道，json字符串)
+	channel := ctx.Param("channel")
+
+	userAgent := ctx.Request.Header.Get("User-Agent")
+	isIos := strings.Contains(userAgent, "iPhone") || strings.Contains(userAgent, "iPad")
+
+	// 记录下载历史(双端都记)
+	versionSer.RecordCpcDownload(ctx, isIos, int32(appId), channel, ctx.ClientIP(), userAgent)
+
+	// ios: 优先按appId和渠道查询双端配置的落地页,配置了落地页则301跳转,否则返回mobileconfig配置文件
+	if isIos {
+		landingPage := cpcDownloadCfgSer.GetLandingPage(ctx, int32(appId), channel)
+		if len(landingPage) > 0 {
+			// 落地页未带dc参数时,拼上当前渠道
+			if !strings.Contains(landingPage, "dc=") {
+				if strings.Contains(landingPage, "?") {
+					landingPage = landingPage + "&dc=" + channel
+				} else {
+					landingPage = landingPage + "?dc=" + channel
+				}
+			}
+			ctx.Redirect(http.StatusMovedPermanently, landingPage)
+			return
+		}
+		cfg := versionSer.IosMobileconfigByAppId(int32(appId))
+		if cfg == nil {
+			stdLog.ServerJSON(ctx, stdLog.Failure, "ios config不存在")
+			return
+		}
+		pc, dc, _ := versionSer.ParseChannel(channel)
+		writeMobileconfig(ctx, cfg, dc, pc)
+		return
+	}
+
+	// android: 优先按appId和channel查询配置的下载链接，没有则使用默认最新下载地址
+	downloadUrl := cpcDownloadCfgSer.GetDownloadUrl(ctx, int32(appId), channel)
+	if downloadUrl == "" {
+		downloadUrl = versionSer.LatestAndroidDownloadUrl(int32(appId))
+	}
+	if downloadUrl == "" {
+		stdLog.ServerJSON(ctx, stdLog.Failure, "android下载地址不存在")
+		return
+	}
+	ctx.Redirect(http.StatusFound, downloadUrl)
+}
+
+// writeMobileconfig 将 mobileconfig 文件以附件形式写入响应
+func writeMobileconfig(ctx *gin.Context, cfg *versionSer.IosMobileconfigCfg, dc, pc string) {
+	data, fileName := versionSer.BuildMobileconfig(cfg, dc, pc)
+	if fileName == "" {
+		fileName = "madou.mobileconfig"
+	}
+	ctx.Header("Content-Type", "application/octet-stream")
+	ctx.Header("Content-Disposition", "attachment; filename="+fileName)
+	ctx.Header("Content-Transfer-Encoding", "binary")
+	_, _ = ctx.Writer.Write(data)
+}