From 6f66b022bc46a1a852ea465c0dcd3a56ec9afb39 Mon Sep 17 00:00:00 2001
From: Ulric Qin <ulric.qin@gmail.com>
Date: Mon, 23 Mar 2020 13:16:28 +0800
Subject: [PATCH 1/2] use aliyun mirror when build

---
 README.md    | 5 ++++-
 README_ZH.md | 5 ++++-
 control      | 1 -
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 8ac237f8..bd3cd667 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,10 @@ Nightingale user manual: [https://n9e.didiyun.com/](https://n9e.didiyun.com/)
 mkdir -p $GOPATH/src/github.com/didi
 cd $GOPATH/src/github.com/didi
 git clone https://github.com/didi/nightingale.git
-cd nightingale && ./control build
+cd nightingale
+# export env[GOPROXY] if your network is not good
+# export GOPROXY=https://mirrors.aliyun.com/goproxy/
+./control build
 ```
 
 ## Team
diff --git a/README_ZH.md b/README_ZH.md
index cda73e57..1a1b3140 100644
--- a/README_ZH.md
+++ b/README_ZH.md
@@ -15,7 +15,10 @@ Nightingale是一套衍生自Open-Falcon的互联网监控解决方案，融入
 mkdir -p $GOPATH/src/github.com/didi
 cd $GOPATH/src/github.com/didi
 git clone https://github.com/didi/nightingale.git
-cd nightingale && ./control build
+cd nightingale
+# 如果网络环境不好可以尝试aliyun的mirror
+# export GOPROXY=https://mirrors.aliyun.com/goproxy/
+./control build
 ```
 
 ## 团队
diff --git a/control b/control
index accb98c6..5aa36f04 100755
--- a/control
+++ b/control
@@ -142,7 +142,6 @@ build_one()
 build()
 {
   export GO111MODULE=on
-  export GOPROXY=https://mirrors.aliyun.com/goproxy/
 
 	mod=$1
 	if [ "x${mod}" = "x" ]; then

From 450f94ff3229ac37db1fb177b3d9d64731b2fe9b Mon Sep 17 00:00:00 2001
From: 710leo <710leo@gmail.com>
Date: Mon, 23 Mar 2020 14:14:11 +0800
Subject: [PATCH 2/2] feat: support comparison graph

---
 src/dataobj/query_item.go                     | 11 +++++
 .../transfer/http/routes/query_router.go      | 42 ++++++++++++++++---
 2 files changed, 48 insertions(+), 5 deletions(-)

diff --git a/src/dataobj/query_item.go b/src/dataobj/query_item.go
index f149ae7a..442a4b10 100644
--- a/src/dataobj/query_item.go
+++ b/src/dataobj/query_item.go
@@ -24,6 +24,17 @@ type QueryDataForUI struct {
 	Comparisons []int64  `json:"comparisons"` //环比多少时间
 }
 
+type QueryDataForUIResp struct {
+	Start      int64      `json:"start"`
+	End        int64      `json:"end"`
+	Endpoint   string     `json:"endpoint"`
+	Counter    string     `json:"counter"`
+	DsType     string     `json:"dstype"`
+	Step       int        `json:"step"`
+	Values     []*RRDData `json:"values"`
+	Comparison int64      `json:"comparison"`
+}
+
 type QueryDataResp struct {
 	Data []*TsdbQueryResponse
 	Msg  string
diff --git a/src/modules/transfer/http/routes/query_router.go b/src/modules/transfer/http/routes/query_router.go
index 9591d402..2be8f9fe 100644
--- a/src/modules/transfer/http/routes/query_router.go
+++ b/src/modules/transfer/http/routes/query_router.go
@@ -46,18 +46,50 @@ func QueryData(c *gin.Context) {
 func QueryDataForUI(c *gin.Context) {
 	stats.Counter.Set("data.ui.qp10s", 1)
 	var input dataobj.QueryDataForUI
-
+	var respData []*dataobj.QueryDataForUIResp
 	errors.Dangerous(c.ShouldBindJSON(&input))
+	start := input.Start
+	end := input.End
 
 	resp := backend.FetchDataForUI(input)
+	for _, d := range resp {
+		data := &dataobj.QueryDataForUIResp{
+			Start:    d.Start,
+			End:      d.End,
+			Endpoint: d.Endpoint,
+			Counter:  d.Counter,
+			DsType:   d.DsType,
+			Step:     d.Step,
+			Values:   d.Values,
+		}
+		respData = append(respData, data)
+	}
+
 	if len(input.Comparisons) > 1 {
 		for i := 1; i < len(input.Comparisons); i++ {
-			input.Start = input.Start - input.Comparisons[i]
-			input.End = input.End - input.Comparisons[i]
+			comparison := input.Comparisons[i]
+			input.Start = start - comparison
+			input.End = end - comparison
 			res := backend.FetchDataForUI(input)
-			resp = append(resp, res...)
+			for _, d := range res {
+				for j := range d.Values {
+					d.Values[j].Timestamp += comparison
+				}
+
+				data := &dataobj.QueryDataForUIResp{
+					Start:      d.Start,
+					End:        d.End,
+					Endpoint:   d.Endpoint,
+					Counter:    d.Counter,
+					DsType:     d.DsType,
+					Step:       d.Step,
+					Values:     d.Values,
+					Comparison: comparison,
+				}
+				respData = append(respData, data)
+			}
 		}
 	}
 
-	render.Data(c, resp, nil)
+	render.Data(c, respData, nil)
 }