From 073d31347a4c05bb504f7300755d9c710a93de09 Mon Sep 17 00:00:00 2001
From: DCloud_LXH <283700113@qq.com>
Date: Tue, 31 Aug 2021 13:43:50 +0800
Subject: [PATCH] fix(App): chooseImage camera.captureImage add compression
 logic

---
 .../src/service/api/media/chooseImage.ts      | 57 +++++++++++++++++--
 1 file changed, 52 insertions(+), 5 deletions(-)

diff --git a/packages/uni-app-plus/src/service/api/media/chooseImage.ts b/packages/uni-app-plus/src/service/api/media/chooseImage.ts
index be61a0c40..21712424d 100644
--- a/packages/uni-app-plus/src/service/api/media/chooseImage.ts
+++ b/packages/uni-app-plus/src/service/api/media/chooseImage.ts
@@ -1,5 +1,6 @@
 import { TEMP_PATH } from '../constants'
 import { warpPlusErrorCallback } from '../../../helpers/plus'
+import { getFileName } from '../../../helpers/file'
 import {
   API_TYPE_CHOOSE_IMAGE,
   API_CHOOSE_IMAGE,
@@ -26,6 +27,30 @@ function getFileInfo(filePath: string): Promise<PlusIoMetadata> {
   })
 }
 
+function compressImage(tempFilePath: string): Promise<string> {
+  const dst = `${TEMP_PATH}/compressed/${Date.now()}_${getFileName(
+    tempFilePath
+  )}`
+  return new Promise((resolve) => {
+    plus.nativeUI.showWaiting()
+    plus.zip.compressImage(
+      {
+        src: tempFilePath,
+        dst,
+        overwrite: true,
+      },
+      () => {
+        plus.nativeUI.closeWaiting()
+        resolve(dst)
+      },
+      () => {
+        plus.nativeUI.closeWaiting()
+        resolve(tempFilePath)
+      }
+    )
+  })
+}
+
 type File = {
   path: string
   size: number
@@ -61,11 +86,33 @@ export const chooseImage = defineAsyncApi<API_TYPE_CHOOSE_IMAGE>(
 
     function openCamera() {
       const camera = plus.camera.getCamera()
-      camera.captureImage((path) => successCallback([path]), errorCallback, {
-        filename: TEMP_PATH + '/camera/',
-        resolution: 'high',
-        crop,
-      })
+      camera.captureImage(
+        (path) => {
+          // fix By Lxh 暂时添加拍照压缩逻辑，等客户端增加逻辑后修改
+          // 判断是否需要压缩
+          if (sizeType && sizeType.includes('compressed')) {
+            return getFileInfo(path)
+              .then(({ size }) => {
+                // 压缩阈值 0.5 兆
+                const THRESHOLD = 1024 * 1024 * 0.5
+                return size && size > THRESHOLD
+                  ? compressImage(path).then((dstPath) =>
+                      successCallback([dstPath])
+                    )
+                  : successCallback([path])
+              })
+              .catch(errorCallback)
+          }
+
+          return successCallback([path])
+        },
+        errorCallback,
+        {
+          filename: TEMP_PATH + '/camera/',
+          resolution: 'high',
+          crop,
+        }
+      )
     }
 
     function openAlbum() {
-- 
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