销量展示规则

lib/ClueModel/page/PlanCompareDetail/PlanCompareDetailPage.dart

@@ -4,6 +4,9 @@
  * @Last Modified by: zx
  * @Last Modified time: 2020-07-03 13:47:57
  */
+import 'dart:ffi';
+import 'dart:math';
+
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:gm_flutter/ClueModel/page/PlanCompareDetail/PlanCompareDetailModel.dart';
@@ -242,12 +245,13 @@ class PlanCompareDetailPageState extends BaseState<PlanCompareDetailPage> {
     return Container(
         height: 170,
         child: Row(children: <Widget>[
-          Expanded(flex: 1, child: planPopularityLeftItem(groups.plans[0])),
+          Expanded(
+              flex: 1, child: planPopularityLeftItem(groups.plans[0], groups)),
           Expanded(flex: 1, child: planPopularityRightItem(groups.plans[1]))
         ]));
   }
 
-  Widget planPopularityLeftItem(Plans plan) {
+  Widget planPopularityLeftItem(Plans plan, Groups groups) {
     return Container(
         height: 170,
         child: Stack(children: <Widget>[
@@ -299,7 +303,7 @@ class PlanCompareDetailPageState extends BaseState<PlanCompareDetailPage> {
                   Positioned(
                     right: 0,
                     top: 0,
-                    width: 95 * 0.7,
+                    width: 95 * sellCount(0, groups.plans[1]),
                     height: 7,
                     child: ClipRRect(
                       borderRadius: BorderRadius.circular(3.5),
@@ -313,7 +317,7 @@ class PlanCompareDetailPageState extends BaseState<PlanCompareDetailPage> {
         ]));
   }
 
-  Widget planPopularityRightItem(Plans plan) {
+  Widget planPopularityRightItem(Plans plan, Groups groups) {
     return Container(
         height: 170,
         child: Stack(children: <Widget>[
@@ -371,7 +375,7 @@ class PlanCompareDetailPageState extends BaseState<PlanCompareDetailPage> {
                   Positioned(
                     left: 0,
                     top: 0,
-                    width: 95 * 0.3,
+                    width: 95 * sellCount(0, groups.plans[1]),
                     height: 7,
                     child: ClipRRect(
                       borderRadius: BorderRadius.circular(3.5),
@@ -442,3 +446,20 @@ class PlanCompareDetailPageState extends BaseState<PlanCompareDetailPage> {
           ),
         ]));
   }
+
+  double starCount() {
+    return 5.0;
+  }
+
+  double sellCount(int index, Plans anotherPlans) {
+    Groups popularity = _model.detailLive.data.second[0];
+    Plans plans = popularity.plans[index];
+    int salesCount = int.parse(plans.salesCount);
+    int anSalesCount = int.parse(plans.salesCount);
+    if (salesCount >= anSalesCount) {
+      return 1.0;
+    } else {
+      return anSalesCount / salesCount;
+    }
+  }
+}