From b3ac8130d704e64172056cad35c27ce5508c44a4 Mon Sep 17 00:00:00 2001
From: wangwenrui <wangwenrui@zdjizhi.com>
Date: Thu, 18 Jun 2020 16:38:07 +0800
Subject: [PATCH] =?UTF-8?q?perf:explore=20=E7=BC=96=E8=BE=91=E5=8A=9F?=
 =?UTF-8?q?=E8=83=BD(operator=20function=20=E5=BE=85=E5=AE=8C=E6=88=90)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../src/components/charts/chart-list.vue      |   4 +-
 .../page/dashboard/explore/editor.vue         | 255 +++++++++++++++---
 .../page/dashboard/explore/suggestions.vue    |  12 +-
 3 files changed, 228 insertions(+), 43 deletions(-)

diff --git a/nezha-fronted/src/components/charts/chart-list.vue b/nezha-fronted/src/components/charts/chart-list.vue
index 42c4c3612..39f9d0e96 100644
--- a/nezha-fronted/src/components/charts/chart-list.vue
+++ b/nezha-fronted/src/components/charts/chart-list.vue
@@ -1580,7 +1580,9 @@
         }
       },
       getAlertListChartData:function(chartInfo,filterType){
-        this.$set(chartInfo, "param", {endpointId: this.additionalInfo.id});
+        if(this.additionalInfo){
+          this.$set(chartInfo, "param", {endpointId: this.additionalInfo.id});
+        }
         this.$refs['editChart'+chartInfo.id][0].getAlertList(filterType);
       },
       getAlertRuleChartData(chartInfo) {
diff --git a/nezha-fronted/src/components/page/dashboard/explore/editor.vue b/nezha-fronted/src/components/page/dashboard/explore/editor.vue
index 5af1aabe7..6be59a4f2 100644
--- a/nezha-fronted/src/components/page/dashboard/explore/editor.vue
+++ b/nezha-fronted/src/components/page/dashboard/explore/editor.vue
@@ -4,9 +4,9 @@
     <div class="metric-editor-popper" :style="{left:popperPos.left+'px'}">
       <div class="metric-popper-main" >
           <el-scrollbar style="height: 100%" class="ps-scroll-small" ref="scroll">
-            <div v-for="(value, key, index) in showSuggestions" >
-              <div v-html="key" class="popper-group"></div>
-              <div class="popper-item" v-for="(item,i) in value" v-html="item.label" :key="item.insertText" :type="key" :value="item.insertText" @click.stop="handleItemClick(key,item,$event)"></div>
+            <div v-for="(key, index) in orders" >
+              <div v-html="key" class="popper-group" v-show="showSuggestions[key]"></div>
+              <div class="popper-item" v-for="(item,i) in showSuggestions[key]" v-html="item.label" :key="item.insertText" :type="key" :value="item.insertText" @click.stop="handleItemClick(key,item,$event)"></div>
             </div>
           </el-scrollbar>
       </div>
@@ -18,7 +18,7 @@
 <script>
   import 'quill/dist/quill.snow.css'
   import Quill from 'quill'
-  import {del} from "../../../../http";
+  import suggestions from "./suggestions";
   export default {
     name: "editor",
     props: {
@@ -32,7 +32,10 @@
         id:'editor-'+this.guid(),
         cursorIndex:0,
         pivotalCursorIndex:0,//用于记录输入特殊符号后当前光标的位置，方便选择后覆盖
+        newExpressionIndex:0,
+        editRange:{start:0,end:0},
         noStyleSuggestions:{},//存储最原始的item数据
+        orders:['history','operators','functions','metrics','labels','values'],
         showSuggestions:{},//存储显示的item数据，包含mark样式
         storedSuggestions:[],//存储每个item的dom
         toggleSelectIndex:-1,
@@ -46,6 +49,7 @@
           placeholder: 'Insert text here ...'
         },
         labelValues:{},
+        tempStoreMetric:{},
       }
     },
     created(){
@@ -54,59 +58,194 @@
     methods:{
       userChange:function(char,operation,newContent,oldContent){
         this.dealSpecilChar(char,operation);
-        if(this.pivotalCursorIndex!=0){
-          console.log('pivotalCursorIndex',this.pivotalCursorIndex,'cursorIndex',this.cursorIndex)
-          newContent=newContent.substring(this.pivotalCursorIndex,this.cursorIndex);
+        this.changeSuggestions('type')
+
+        if(this.pivotalCursorIndex>this.editRange.start && this.pivotalCursorIndex < this.editRange.end){
+          if(this.pivotalCursorIndex!=0){
+            console.log('pivotalCursorIndex',this.pivotalCursorIndex,'cursorIndex',this.cursorIndex)
+            newContent=newContent.substring(this.pivotalCursorIndex,this.cursorIndex);
+          }
+        }else{
+          newContent=newContent.substring(this.editRange.start,this.editRange.end)
         }
         this.filterItems(newContent);
       },
       dealSpecilChar:function(char,operation){
-        if(/^[\{\(\[]$/g.test(char)){
+        if(/^[\{\(\[\,]$/g.test(char)){
           if(operation=='insert'){
-            if(char == '{'){
-              this.insertTextAtIndex('}',this.cursorIndex)
-              this.quill.setSelection(this.cursorIndex)
+            if(char == '{'||char==','){
+              if(char == '{'){
+                this.addDoubleChar('}')
+              }
               this.changeSuggestions('label')
             }else if(char == '('){
-              this.insertTextAtIndex(')',this.cursorIndex)
-              this.quill.setSelection(this.cursorIndex)
+              this.addDoubleChar(')')
             }else if(char == '['){
-              this.insertTextAtIndex(']',this.cursorIndex)
-              this.quill.setSelection(this.cursorIndex)
+              this.addDoubleChar(']')
             }
           }else{
-            this.quill.deleteText(this.cursorIndex,1,'api')
+            this.delDoubleChar(char);
           }
-        }else if(/^[=]/g.test(char)){
+        }else if(/^[=\"]/g.test(char)){
           if(operation=='insert'){
-            let labelValuesReg=/\{((\w*?=.*?,{0,1})+?)\}/
-            if(labelValuesReg.test(this.content)){
-              let labelValues=labelValuesReg.exec(this.content)[0]
-              if(labelValues){
-                let unCompleteInputReg=/\w*?=[^"|\s]/
-                if(unCompleteInputReg.test(labelValues)){
-                  let unCompleteInput=unCompleteInputReg.exec(labelValues)[0];
-                  unCompleteInput=unCompleteInput.substring(0,unCompleteInput.length-2)
-                  let values=this.labelValues.get(unCompleteInput);
-                  console.log('values',values)
-
-                  this.noStyleSuggestions={values:values}
-                  this.showSuggestions=this.deepClone(this.noStyleSuggestions);
-
-                }
-              }
+            if(char == '"'){
+              this.addDoubleChar('"');
             }
-          }else{
+            this.changeSuggestions('values')
 
+          }else{
+            if(char == '"'){
+              this.delDoubleChar(char);
+            }
           }
         }
       },
+      addDoubleChar:function(char){
+        this.insertTextAtIndex(char,this.cursorIndex);
+        this.quill.setSelection(this.cursorIndex)
+      },
+      delDoubleChar:function(leftChar){
+        let char=this.content.charAt(this.cursorIndex);
+        let temp=leftChar+char;
+
+        if(/(\{\})|(\(\))|(\[\])|(\"\")/.test(temp)){
+          this.quill.deleteText(this.cursorIndex,1,'api');
+        }
+        if(leftChar == '{'){
+          this.pivotalCursorIndex=0;
+        }
+      },
       changeSuggestions:function(type){
         if(type == 'label'){
           this.queryLabels();
+        }else if(type == 'values'){
+          this.queryValues();
+        }else if(type  == 'type'){
+          this.packageTypeInfo();
+        }
+      },
+      packageTypeInfo:function(){
+        let metricReg=/[a-zA-Z_]\w*?\b\{.*?\}/g
+        let functionReg=/[a-zA-Z_]\w*?\(.*?\)/g
+        if(functionReg.test(this.content)){
+          let tempIndex=this.cursorIndex;
+          let tempStart,tempChar=this.content.charAt(tempIndex-1);
+
+          //向前查找，找到边界
+          while(tempIndex>0&&/[a-zA-Z_]/.test(tempChar)){
+            tempIndex--;
+            tempChar=this.content.charAt(tempIndex);
+          }
+
+          this.editRange.start=tempIndex+1;
+          this.editRange.end=this.cursorIndex;
+        }else{
+          if(metricReg.test(this.content)){
+            let match=this.globalMatch(metricReg,this.content)
+            if(match&&match.length>0){
+              let isInnerExpression=false;
+              let editExpression=null;
+              match.forEach(item=>{
+                let content=item[0];
+                let index=item.index;
+                let length=content.length;
+                if(index < this.cursorIndex && index+length>this.cursorIndex){ //判断是否在一个完整子表达式中
+                  isInnerExpression=true;
+                  editExpression=item;
+                }
+              })
+              console.log('match',match,'isInnerExpress',isInnerExpression)
+              if(isInnerExpression&&editExpression){
+                let expression=editExpression[0];
+                let labelValuesReg=/\{((\w*?=.*?,{0,1})+?)\}/
+                if(labelValuesReg.test(expression)){
+                  let match=labelValuesReg.exec(expression);
+                  if(editExpression.index+match.index>this.cursorIndex){
+                    this.queryTypeInfos();
+                  }
+                }
+                this.editRange.start=editExpression.index;
+                this.editRange.end=editExpression.index+expression.length;
+              }else{
+                let tempIndex=this.cursorIndex;
+                let tempStart,tempChar=this.content.charAt(tempIndex-1);
+
+                //向前查找，找到边界
+                while(tempIndex>0&&/[a-zA-Z_]/.test(tempChar)){
+                  tempIndex--;
+                  tempChar=this.content.charAt(tempIndex);
+                }
+
+                this.editRange.start=tempIndex+1;
+                this.editRange.end=this.cursorIndex;
+
+                console.log('multi expression',this.editRange)
+
+                this.queryTypeInfos();
+              }
+
+            }
+          }else{
+            console.log('mo match metric')
+            this.editRange.start=0;
+            this.editRange.end=this.cursorIndex;
+            this.queryTypeInfos();
+          }
+        }
+      },
+      queryTypeInfos:function(){
+        this.noStyleSuggestions={};
+        this.$set(this.noStyleSuggestions,'metrics',this.tempStoreMetric)
+        this.$set(this.noStyleSuggestions,'operators',suggestions.getOperators())
+        this.$set(this.noStyleSuggestions,'functions',suggestions.getFunctions())
+        this.showSuggestions=this.deepClone(this.noStyleSuggestions)
+      },
+      queryValues:function(){
+        let labelValuesReg=/\{((\w*?=.*?,{0,1})+?)\}/
+        if(labelValuesReg.test(this.content)){
+          let match=labelValuesReg.exec(this.content);
+          let labelValues=match[0]
+          let index=match.index;
+          if(labelValues){
+            let tempCounter=this.cursorIndex;
+            let equalIndex=-1;
+            let boundaryIndex=-1;
+            while(tempCounter>=index){
+              let char=this.content.charAt(tempCounter);
+              if(char=='='){
+                equalIndex=tempCounter;
+              }
+
+              if(char==','||char == '{'){
+                boundaryIndex=tempCounter+1;
+                break;
+              }
+
+              tempCounter--;
+            }
+            let label=this.content.substring(boundaryIndex,equalIndex);
+            console.log('label',this.content.substring(boundaryIndex,equalIndex))
+
+            let values=this.labelValues.get(label);
+
+            this.noStyleSuggestions={values:values}
+            this.showSuggestions=this.deepClone(this.noStyleSuggestions)
+          }
         }
       },
       queryLabels:function(){
+        let labels=/\{.*\}/;
+        if(labels.test(this.content)){
+          let match=labels.exec(this.content);
+          let index=match.index;
+          let matchContent=match[0];
+          if(this.cursorIndex<index || this.cursorIndex>index + matchContent.length){
+            return ;
+          }
+        }else{
+          this.queryTypeInfos();
+          return;
+        }
         let metric=/([a-zA-Z_]\w*)\b(?=\{)/.exec(this.content)[0];
         let timeRange=this.getDefaultTimeRange();
         this.$get('/prom/api/v1/series?match[]={__name__="'+metric+'"}&start='+timeRange[0]+"&end="+timeRange[1]).then(response=>{
@@ -141,6 +280,7 @@
 
             this.noStyleSuggestions={labels:labels}
             this.showSuggestions=this.deepClone(this.noStyleSuggestions);
+            console.log('change labels',this.showSuggestions)
             this.storeSuggestions();
           }else{
             this.noStyleSuggestions={};
@@ -163,12 +303,25 @@
           this.handleLabelClick(item)
         }else if(type == 'values'){
           this.handleValueClick(item);
+        }else if(type == 'operators'){
+          this.handleOperatorClick(item);
         }
       },
+      handleOperatorClick:function(item){
+        this.deleteTextInRange(this.editRange.start,this.cursorIndex)
+        this.insertTextAtIndex(item.insertText,this.editRange.start == 0?this.editRange.start-1:this.editRange.start);
+        this.quill.setSelection(this.cursorIndex+item.insertText.length);
+        this.storeCursor().then(()=>{
+          this.insertTextAtIndex('(',this.cursorIndex,'user')
+          this.quill.setSelection(this.cursorIndex+1)
+          this.editRange.start=this.cursorIndex;
+          this.editRange.end=this.cursorIndex;
+        })
+      },
       handleMetricClick:function(item){
-        this.clearContent();
+        this.deleteTextInRange(this.editRange.start,this.cursorIndex)
         this.$nextTick(()=>{
-          this.insertTextAtIndex(item.insertText);
+          this.insertTextAtIndex(item.insertText,this.editRange.start==0?this.editRange.start-1:this.editRange.start);
         })
         this.moveCursorToEnd();
       },
@@ -183,7 +336,14 @@
         })
       },
       handleValueClick:function(item){
-
+        let preChar=this.content.substring(this.pivotalCursorIndex-1,this.pivotalCursorIndex);
+        this.quill.setSelection(this.pivotalCursorIndex,this.cursorIndex-this.pivotalCursorIndex,'api');
+        this.deleteTextInRange(this.pivotalCursorIndex,this.cursorIndex-this.pivotalCursorIndex)
+        if(preChar == '='){
+          this.insertTextAtIndex('"'+item.insertText+'"',this.pivotalCursorIndex)
+        }else{
+          this.insertTextAtIndex(item.insertText,this.pivotalCursorIndex)
+        }
       },
       toggleSelect:function(event){//上下键选择
         if(!this.storedSuggestions||this.storedSuggestions.length<1){
@@ -283,6 +443,7 @@
         return new Promise(function(resolve,reject){
           $temp.$nextTick(()=>{
             let range=$temp.quill.getSelection();
+            console.log('range',range)
             if(range&&range.length == 0){
               $temp.cursorIndex=range.index;
               console.log('current cursor-->',$temp.cursorIndex)
@@ -371,14 +532,25 @@
       deepClone:function(source){
         return JSON.parse(JSON.stringify(source))
       },
+      globalMatch:function(pattern,content){
+        let result=[];
+        let temp;
+        pattern.lastIndex=0;
+        while ((temp = pattern.exec(content)) != null) {
+          result.push(temp)
+        }
+
+        return result;
+      },
       queryMetrics:function(){
         this.$get('/prom/api/v1/label/__name__/values').then(response=>{
           if(response.status == 'success'){
             let metrics=response.data.map(item=>{
               return {label:item,insertText:item};
             })
-            this.$set(this.noStyleSuggestions,'metrics',metrics)
-            this.showSuggestions=this.deepClone(this.noStyleSuggestions)
+
+            this.tempStoreMetric=this.deepClone(metrics);
+            this.queryTypeInfos();
           }
         })
       },
@@ -428,6 +600,11 @@
       })
       this.storeSuggestions();
       this.registerKeydown();
+    },
+    watch:{
+      content:function(n,o){
+
+      }
     }
   }
 </script>
diff --git a/nezha-fronted/src/components/page/dashboard/explore/suggestions.vue b/nezha-fronted/src/components/page/dashboard/explore/suggestions.vue
index f0c5a32b8..ab4872344 100644
--- a/nezha-fronted/src/components/page/dashboard/explore/suggestions.vue
+++ b/nezha-fronted/src/components/page/dashboard/explore/suggestions.vue
@@ -57,7 +57,6 @@
     },
   ];
   const funcs=[
-    ...operators,
     {
       insertText: 'abs',
       label: 'abs',
@@ -360,6 +359,13 @@
       documentation: 'The population standard variance of the values in the specified interval.',
     },
   ]
-    export default {
-    }
+  export default {
+    getOperators:function(){
+      return JSON.parse(JSON.stringify(operators));
+    },
+
+    getFunctions:function(){
+      return JSON.parse(JSON.stringify(funcs))
+    },
+  }
 </script>