From 659dc5086eb8c73dd122705a87f7b2667084d433 Mon Sep 17 00:00:00 2001
From: Favour Olayinka <csskfaves@gmail.com>
Date: Mon, 25 Mar 2024 11:00:00 +0100
Subject: [PATCH] 20334 implement desktop camera upload feature (#335)

* wip: camera upload

* Handle camera permissions

* remove console logs

* fix camera theme, hide on small  screen,

* video sizing on camera  upload

* camera feature minor fixes

* Package.json update

---------

Co-authored-by: Julien Nahum <julien@nahum.net>
---
 client/components/forms/FileInput.vue         |  53 +++++--
 .../forms/components/CameraUpload.vue         | 143 ++++++++++++++++++
 .../components/open/forms/OpenFormField.vue   |   1 +
 .../forms/fields/components/FieldOptions.vue  |   5 +
 client/lib/forms/form-themes.js               |   3 +
 client/package-lock.json                      |  22 ++-
 client/package.json                           |   3 +-
 7 files changed, 218 insertions(+), 12 deletions(-)
 create mode 100644 client/components/forms/components/CameraUpload.vue

diff --git a/client/components/forms/FileInput.vue b/client/components/forms/FileInput.vue
index 5f99fed3..2bc98469 100644
--- a/client/components/forms/FileInput.vue
+++ b/client/components/forms/FileInput.vue
@@ -3,14 +3,23 @@
     <template #label>
       <slot name="label" />
     </template>
-
-    <div class="flex w-full items-center justify-center transition-colors duration-40" :class="[{
-    '!cursor-not-allowed': disabled, 'cursor-pointer': !disabled,
-    [theme.fileInput.inputHover.light + ' dark:' + theme.fileInput.inputHover.dark]: uploadDragoverEvent,
-    ['hover:' + theme.fileInput.inputHover.light + ' dark:hover:' + theme.fileInput.inputHover.dark]: !loading
-  }, theme.fileInput.input]" @dragover.prevent="uploadDragoverEvent = true"
-      @dragleave.prevent="uploadDragoverEvent = false" @drop.prevent="onUploadDropEvent" @click="openFileUpload">
-      <div v-if="loading" class="text-gray-600 dark:text-gray-400">
+    <div v-if="cameraUpload && isInWebcam" class="hidden sm:block w-full min-h-40">
+      <camera-upload  v-if="cameraUpload" @uploadImage="cameraFileUpload" @stopWebcam="isInWebcam=false" :theme="theme"/>
+    </div>
+    <div v-else class="flex flex-col w-full items-center justify-center transition-colors duration-40"
+         :class="[{'!cursor-not-allowed':disabled, 'cursor-pointer':!disabled,
+                   [theme.fileInput.inputHover.light + ' dark:'+theme.fileInput.inputHover.dark]: uploadDragoverEvent,
+                   ['hover:'+theme.fileInput.inputHover.light +' dark:hover:'+theme.fileInput.inputHover.dark]: !loading}, theme.fileInput.input]"
+         @dragover.prevent="uploadDragoverEvent=true"
+         @dragleave.prevent="uploadDragoverEvent=false"
+         @drop.prevent="onUploadDropEvent"
+         @click="openFileUpload"
+    >
+    <div class="flex w-full items-center justify-center">
+      <div
+        v-if="loading"
+        class="text-gray-600 dark:text-gray-400"
+      >
         <Loader class="mx-auto h-6 w-6" />
         <p class="mt-2 text-center text-sm text-gray-500">
           Uploading your file...
@@ -43,6 +52,15 @@
         </div>
       </template>
     </div>
+      <div class="w-full items-center justify-center mt-2  hidden sm:flex">
+        <open-form-button native-type="button" :loading="loading" :theme="theme" :color="color" class="py-2 p-1 px-2" @click.stop="openWebcam" v-if="cameraUpload">
+          <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" class="w-6 h-6">
+            <path stroke-linecap="round" stroke-linejoin="round" d="M6.827 6.175A2.31 2.31 0 0 1 5.186 7.23c-.38.054-.757.112-1.134.175C2.999 7.58 2.25 8.507 2.25 9.574V18a2.25 2.25 0 0 0 2.25 2.25h15A2.25 2.25 0 0 0 21.75 18V9.574c0-1.067-.75-1.994-1.802-2.169a47.865 47.865 0 0 0-1.134-.175 2.31 2.31 0 0 1-1.64-1.055l-.822-1.316a2.192 2.192 0 0 0-1.736-1.039 48.774 48.774 0 0 0-5.232 0 2.192 2.192 0 0 0-1.736 1.039l-.821 1.316Z" />
+            <path stroke-linecap="round" stroke-linejoin="round" d="M16.5 12.75a4.5 4.5 0 1 1-9 0 4.5 4.5 0 0 1 9 0ZM18.75 10.5h.008v.008h-.008V10.5Z" />
+          </svg>
+        </open-form-button>
+      </div>
+    </div>
 
     <template #help>
       <slot name="help" />
@@ -57,15 +75,18 @@
 import { inputProps, useFormInput } from './useFormInput.js'
 import InputWrapper from './components/InputWrapper.vue'
 import UploadedFile from './components/UploadedFile.vue'
+import OpenFormButton from '../open/forms/OpenFormButton.vue'
+import CameraUpload from './components/CameraUpload.vue'
 import { storeFile } from "~/lib/file-uploads.js"
 
 export default {
   name: 'FileInput',
-  components: { InputWrapper, UploadedFile },
+  components: { InputWrapper, UploadedFile, OpenFormButton },
   mixins: [],
   props: {
     ...inputProps,
     multiple: { type: Boolean, default: true },
+    cameraUpload: { type: Boolean, default: false },
     mbLimit: { type: Number, default: 5 },
     accept: { type: String, default: '' },
     moveToFormAssets: { type: Boolean, default: false }
@@ -80,7 +101,8 @@ export default {
   data: () => ({
     files: [],
     uploadDragoverEvent: false,
-    loading: false
+    loading: false,
+    isInWebcam:false
   }),
 
   computed: {
@@ -162,6 +184,17 @@ export default {
         this.uploadFileToServer(files.item(i))
       }
     },
+    openWebcam(){
+      if(!this.cameraUpload){
+        return;
+      }
+      this.isInWebcam = true;
+    },
+    cameraFileUpload(file){
+      this.isInWebcam = false
+      this.isUploading = false;
+      this.uploadFileToServer(file)
+    },
     uploadFileToServer(file) {
       if (this.disabled) return
       this.loading = true
diff --git a/client/components/forms/components/CameraUpload.vue b/client/components/forms/components/CameraUpload.vue
new file mode 100644
index 00000000..239cdd66
--- /dev/null
+++ b/client/components/forms/components/CameraUpload.vue
@@ -0,0 +1,143 @@
+<template>
+    <div class="relative border">
+        <video id="webcam" autoplay playsinline :class="[{ 'hidden': !isCapturing },theme.fileInput.cameraInput]" width="1280" height="720"></video>
+        <canvas id="canvas" :class="{ 'hidden': !capturedImage }"></canvas>
+        <div v-if="cameraPermissionStatus === 'allowed'" class="absolute inset-x-0 grid place-content-center bottom-2">
+            <div class=" p-2 px-4 flex items-center justify-center text-xs space-x-2" v-if="isCapturing">
+                <span class="cursor-pointer  rounded-full w-14 h-14 border-2 grid place-content-center"
+                    @click="processCapturedImage">
+                    <span class="cursor-pointer bg-gray-100 rounded-full w-10 h-10 grid place-content-center">
+                    </span>
+                </span>
+                <span class="text-white cursor-pointer" @click="cancelCamera">
+                    <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5"
+                        stroke="currentColor" class="w-8 h-8">
+                        <path stroke-linecap="round" stroke-linejoin="round" d="M6 18 18 6M6 6l12 12" />
+                    </svg>
+                </span>
+            </div>
+        </div>
+        <div v-else-if="cameraPermissionStatus === 'blocked'"
+            class="absolute p-5 top-0 inset-x-0 flex flex-col items-center justify-center space-y-4 text-center rounded border border-gray-400/30 h-full"
+            @click="openCameraUpload">
+            <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor"
+                class="w-6 h-6">
+                <path stroke-linecap="round" stroke-linejoin="round"
+                    d="M6.827 6.175A2.31 2.31 0 0 1 5.186 7.23c-.38.054-.757.112-1.134.175C2.999 7.58 2.25 8.507 2.25 9.574V18a2.25 2.25 0 0 0 2.25 2.25h15A2.25 2.25 0 0 0 21.75 18V9.574c0-1.067-.75-1.994-1.802-2.169a47.865 47.865 0 0 0-1.134-.175 2.31 2.31 0 0 1-1.64-1.055l-.822-1.316a2.192 2.192 0 0 0-1.736-1.039 48.774 48.774 0 0 0-5.232 0 2.192 2.192 0 0 0-1.736 1.039l-.821 1.316Z" />
+                <path stroke-linecap="round" stroke-linejoin="round"
+                    d="M16.5 12.75a4.5 4.5 0 1 1-9 0 4.5 4.5 0 0 1 9 0ZM18.75 10.5h.008v.008h-.008V10.5Z" />
+            </svg>
+            <p class="text-center font-bold">
+                Allow Camera Permission
+            </p>
+            <p class="text-xs">You need to allow camera permission before you can take pictures. Go to browser settings to enable camera permission on this page.</p>
+            <button class="text-xs p-1 px-2 bg-blue-600 rounded" type="button" @click.stop="cancelCamera">Got it!</button>
+        </div>
+
+        <div v-else-if="cameraPermissionStatus === 'loading'"
+            class="absolute p-5 top-0 inset-x-0 flex flex-col items-center justify-center space-y-4 text-center rounded border border-gray-400/30 h-full"
+            >
+            <div class="w-6 h-6">
+                <Loader />
+            </div>
+        </div>
+        <div v-else
+            class="absolute p-5 top-0 inset-x-0 flex flex-col items-center justify-center space-y-4 text-center rounded border border-gray-400/30 h-full"
+            @click="openCameraUpload">
+            <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" class="w-6 h-6">
+            <path stroke-linecap="round" stroke-linejoin="round" d="m15.75 10.5 4.72-4.72a.75.75 0 0 1 1.28.53v11.38a.75.75 0 0 1-1.28.53l-4.72-4.72M12 18.75H4.5a2.25 2.25 0 0 1-2.25-2.25V9m12.841 9.091L16.5 19.5m-1.409-1.409c.407-.407.659-.97.659-1.591v-9a2.25 2.25 0 0 0-2.25-2.25h-9c-.621 0-1.184.252-1.591.659m12.182 12.182L2.909 5.909M1.5 4.5l1.409 1.409" />
+            </svg>
+
+            <p class="text-center font-bold">
+                Camera Device Error
+            </p>
+            <p class="text-xs">An unknown error occurred when trying to start Webcam device.</p>
+            <button class="text-xs p-1 px-2 bg-blue-600 rounded" type="button" @click.stop="cancelCamera">Go back</button>
+        </div>
+
+    </div>
+</template>
+
+<script>
+import Webcam from 'webcam-easy';
+import { themes } from '~/lib/forms/form-themes.js'
+export default {
+    name: 'FileInput',
+    props:{
+        theme: { type: Object, default: () => themes.default }
+    },
+    data: () => ({
+        webcam: null,
+        isCapturing: false,
+        capturedImage: null,
+        cameraPermissionStatus: 'loading',
+    }),
+    computed: {
+        videoDisplay() {
+            return this.isCapturing ? '' : 'hidden';
+        },
+        canvasDisplay() {
+            return (!this.isCapturing && this.capturedImage) ? '' : 'hidden'
+        }
+    },
+    mounted() {
+        const webcamElement = document.getElementById('webcam');
+        const canvasElement = document.getElementById('canvas');
+        this.webcam = new Webcam(webcamElement, 'user', canvasElement);
+        this.openCameraUpload()
+    },
+
+    methods: {
+        openCameraUpload() {
+            this.isCapturing = true;
+            this.capturedImage = null;
+            this.webcam.start()
+                .then(result => {
+                    this.cameraPermissionStatus = 'allowed';
+                })
+                .catch(err => {
+                    console.log(err)
+                    if(err.toString()  === 'NotAllowedError: Permission denied'){
+                        this.cameraPermissionStatus = 'blocked';
+                        return;
+                    }
+                    this.cameraPermissionStatus = 'unknown';
+                });
+        },
+        cancelCamera() {
+            this.isCapturing = false;
+            this.capturedImage = null;
+            this.webcam.stop()
+            this.$emit('stopWebcam')
+        },
+        processCapturedImage() {
+            this.capturedImage = this.webcam.snap();
+            this.isCapturing = false;
+            this.webcam.stop()
+            const byteCharacters = atob(this.capturedImage.split(',')[1]);
+            const byteArrays = [];
+            for (let offset = 0; offset < byteCharacters.length; offset += 512) {
+                const slice = byteCharacters.slice(offset, offset + 512);
+
+                const byteNumbers = new Array(slice.length);
+                for (let i = 0; i < slice.length; i++) {
+                    byteNumbers[i] = slice.charCodeAt(i);
+                }
+
+                const byteArray = new Uint8Array(byteNumbers);
+                byteArrays.push(byteArray);
+            }
+
+            // Create Blob from binary data
+            const blob = new Blob(byteArrays, { type: 'image/png' });
+            const filename = Date.now()
+            // Create a File object from the Blob
+            const file = new File([blob], `${filename}.png`, { type: 'image/png' });
+            this.$emit('uploadImage', file)
+        }
+
+
+    }
+}
+
+</script>
\ No newline at end of file
diff --git a/client/components/open/forms/OpenFormField.vue b/client/components/open/forms/OpenFormField.vue
index 71b145fb..e3f29597 100644
--- a/client/components/open/forms/OpenFormField.vue
+++ b/client/components/open/forms/OpenFormField.vue
@@ -272,6 +272,7 @@ export default {
         }
       } else if (field.type === 'files' || (field.type === 'url' && field.file_upload)) {
         inputProperties.multiple = (field.multiple !== undefined && field.multiple)
+        inputProperties.cameraUpload = (field.camera_upload !== undefined && field.camera_upload)
         let maxFileSize = (this.form?.workspace && this.form?.workspace.max_file_size) ? this.form?.workspace?.max_file_size : 10
         if (field?.max_file_size > 0) {
           maxFileSize = Math.min(field.max_file_size, maxFileSize)
diff --git a/client/components/open/forms/fields/components/FieldOptions.vue b/client/components/open/forms/fields/components/FieldOptions.vue
index bae8fc2a..a88740a4 100644
--- a/client/components/open/forms/fields/components/FieldOptions.vue
+++ b/client/components/open/forms/fields/components/FieldOptions.vue
@@ -46,6 +46,11 @@
       <v-checkbox v-model="field.multiple" class="mt-3" :name="field.id + '_multiple'">
         Allow multiple files
       </v-checkbox>
+      <v-checkbox v-model="field.camera_upload" class="mt-3"
+                  :name="field.id+'_camera_upload'"
+      >
+        Allow Camera uploads
+      </v-checkbox>
       <text-input name="allowed_file_types" class="mt-3" :form="field" label="Allowed file types"
         placeholder="jpg,jpeg,png,gif" help="Comma separated values, leave blank to allow all file types" />
 
diff --git a/client/lib/forms/form-themes.js b/client/lib/forms/form-themes.js
index ae23f369..2d53de8f 100644
--- a/client/lib/forms/form-themes.js
+++ b/client/lib/forms/form-themes.js
@@ -39,6 +39,7 @@ export const themes = {
     },
     fileInput: {
       input: 'min-h-40 border border-dashed border-gray-300 p-4 rounded-lg',
+      cameraInput: 'min-h-40 rounded-lg',
       inputHover: {
         light: 'bg-neutral-50',
         dark: 'bg-notion-dark-light'
@@ -83,6 +84,7 @@ export const themes = {
     },
     fileInput: {
       input: 'min-h-40 border border-dashed border-gray-300 p-4',
+      cameraInput: 'min-h-40',
       inputHover: {
         light: 'bg-neutral-50',
         dark: 'bg-notion-dark-light'
@@ -127,6 +129,7 @@ export const themes = {
     },
     fileInput: {
       input: 'min-h-40 border border-dashed border-gray-300 p-4 rounded bg-notion-input-background',
+      cameraInput: 'min-h-40 rounded',
       inputHover: {
         light: 'bg-neutral-50',
         dark: 'bg-notion-dark-light'
diff --git a/client/package-lock.json b/client/package-lock.json
index c8a6cd34..9e289adf 100644
--- a/client/package-lock.json
+++ b/client/package-lock.json
@@ -43,7 +43,8 @@
         "vue-notion": "^3.0.0-beta.1",
         "vue-signature-pad": "^3.0.2",
         "vue3-editor": "^0.1.1",
-        "vuedraggable": "next"
+        "vuedraggable": "next",
+        "webcam-easy": "^1.1.1"
       },
       "devDependencies": {
         "@nuxt/devtools": "latest",
@@ -12343,6 +12344,17 @@
       "resolved": "https://registry.npmjs.org/ufo/-/ufo-1.5.3.tgz",
       "integrity": "sha512-Y7HYmWaFwPUmkoQCUIAYpKqkOf+SbVj/2fJJZ4RJMCfZp0rTGwRbzQD+HghfnhKOjL9E01okqz+ncJskGYfBNw=="
     },
+    "node_modules/uglify-js": {
+      "version": "3.17.4",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.17.4.tgz",
+      "integrity": "sha512-T9q82TJI9e/C1TAxYvfb16xO120tMVFZrGA3f9/P4424DNu6ypK103y0GPFVa17yotwSyZW5iYXgjYHkGrJW/g==",
+      "bin": {
+        "uglifyjs": "bin/uglifyjs"
+      },
+      "engines": {
+        "node": ">=0.8.0"
+      }
+    },
     "node_modules/ultrahtml": {
       "version": "1.5.3",
       "resolved": "https://registry.npmjs.org/ultrahtml/-/ultrahtml-1.5.3.tgz",
@@ -13510,6 +13522,14 @@
         "node": ">=10.13.0"
       }
     },
+    "node_modules/webcam-easy": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/webcam-easy/-/webcam-easy-1.1.1.tgz",
+      "integrity": "sha512-L2/tXBpWCdZAXI7s5SWB0BICiDATih9OHIhIZpkCWJX4lENF0UTsnqztAb+c0XPy63HoiLUpCHRhdMFaospzGw==",
+      "dependencies": {
+        "uglify-js": "^3.17.4"
+      }
+    },
     "node_modules/webidl-conversions": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
diff --git a/client/package.json b/client/package.json
index 347ad7ce..6000d491 100644
--- a/client/package.json
+++ b/client/package.json
@@ -58,6 +58,7 @@
     "vue-notion": "^3.0.0-beta.1",
     "vue-signature-pad": "^3.0.2",
     "vue3-editor": "^0.1.1",
-    "vuedraggable": "next"
+    "vuedraggable": "next",
+    "webcam-easy": "^1.1.1"
   }
 }