Avatar upload

app/components/Editor/changes.js

@@ -3,7 +3,7 @@ import { Change } from 'slate';
 import { Editor } from 'slate-react';
 import uuid from 'uuid';
 import EditList from './plugins/EditList';
-import uploadFile from 'utils/uploadFile';
+import { uploadFile } from 'utils/uploadFile';
 
 const { changes } = EditList;
 

app/scenes/Settings/Settings.js

@@ -9,6 +9,7 @@ import { color, size } from 'shared/styles/constants';
 import { client } from 'utils/ApiClient';
 import AuthStore from 'stores/AuthStore';
 import ErrorsStore from 'stores/ErrorsStore';
+import ImageUpload from './components/ImageUpload';
 import Input, { LabelText } from 'components/Input';
 import Button from 'components/Button';
 import CenteredContent from 'components/CenteredContent';
@@ -24,6 +25,7 @@ class Settings extends Component {
   };
 
   @observable name: string;
+  @observable avatarUrl: ?string;
   @observable updated: boolean;
   @observable isSaving: boolean;
 
@@ -44,6 +46,7 @@ class Settings extends Component {
     try {
       const res = await client.post(`/user.update`, {
         name: this.name,
+        avatarUrl: this.avatarUrl,
       });
       invariant(res && res.data, 'Document list not available');
       const { data } = res;
@@ -63,10 +66,18 @@ class Settings extends Component {
     this.name = ev.target.value;
   };
 
+  handleAvatarUpload = (avatarUrl: string) => {
+    this.avatarUrl = avatarUrl;
+  };
+
+  handleAvatarError = (error: ?string) => {
+    this.props.errors.add(error || 'Unable to upload new avatar');
+  };
+
   render() {
     const { user } = this.props.auth;
     if (!user) return null;
-    const avatarUrl = user.avatarUrl;
+    const avatarUrl = this.avatarUrl || user.avatarUrl;
 
     return (
       <CenteredContent>
@@ -75,14 +86,19 @@ class Settings extends Component {
         <ProfilePicture column>
           <LabelText>Profile picture</LabelText>
           <AvatarContainer>
-            <Avatar src={avatarUrl} />
-            <Flex auto align="center" justify="center">
-              Upload new image
-            </Flex>
+            <ImageUpload
+              onSuccess={this.handleAvatarUpload}
+              onError={this.handleAvatarError}
+            >
+              <Avatar src={avatarUrl} />
+              <Flex auto align="center" justify="center">
+                Upload new image
+              </Flex>
+            </ImageUpload>
           </AvatarContainer>
         </ProfilePicture>
         <form onSubmit={this.handleSubmit}>
-          <Input
+          <StyledInput
             label="Name"
             value={this.name}
             onChange={this.handleNameChange}
@@ -122,7 +138,7 @@ const AvatarContainer = styled(Flex)`
   ${avatarStyles};
   position: relative;
 
-  div {
+  div div {
     ${avatarStyles};
     position: absolute;
     top: 0;
@@ -145,4 +161,8 @@ const Avatar = styled.img`
   ${avatarStyles};
 `;
 
+const StyledInput = styled(Input)`
+  max-width: 350px;
+`;
+
 export default inject('auth', 'errors', 'auth')(Settings);

app/scenes/Settings/components/ImageUpload.js

@@ -0,0 +1,143 @@
+// @flow
+import React, { Component } from 'react';
+import { observable } from 'mobx';
+import { observer } from 'mobx-react';
+import styled from 'styled-components';
+import Dropzone from 'react-dropzone';
+
+import LoadingIndicator from 'components/LoadingIndicator';
+import Flex from 'shared/components/Flex';
+import Modal from 'components/Modal';
+import Button from 'components/Button';
+import AvatarEditor from 'react-avatar-editor';
+import { uploadFile, dataUrlToBlob } from 'utils/uploadFile';
+
+type Props = {
+  children?: React$Element<any>,
+  onSuccess: string => void,
+  onError: string => void,
+};
+
+@observer
+class DropToImport extends Component {
+  @observable isUploading: boolean = false;
+  @observable isCropping: boolean = false;
+  @observable zoom: number = 1;
+  props: Props;
+  file: File;
+  avatarEditorRef: HTMLCanvasElement;
+
+  onDropAccepted = async (files: File[]) => {
+    this.isCropping = true;
+    this.file = files[0];
+  };
+
+  handleCrop = async () => {
+    // $FlowIssue getImage() exists
+    const canvas = this.avatarEditorRef.getImage();
+    const imageBlob = dataUrlToBlob(canvas.toDataURL());
+    try {
+      const asset = await uploadFile(imageBlob, { name: this.file.name });
+      this.props.onSuccess(asset.url);
+    } catch (err) {
+      this.props.onError('Unable to upload image');
+    } finally {
+      this.isUploading = false;
+      this.isCropping = false;
+    }
+  };
+
+  handleZoom = (event: SyntheticDragEvent) => {
+    let target = event.target;
+    if (target instanceof HTMLInputElement) {
+      this.zoom = parseFloat(target.value);
+    }
+  };
+
+  renderCropping() {
+    return (
+      <Modal isOpen title="">
+        <Flex auto column align="center" justify="center">
+          <AvatarEditorContainer>
+            <AvatarEditor
+              ref={ref => (this.avatarEditorRef = ref)}
+              image={this.file}
+              width={250}
+              height={250}
+              border={25}
+              borderRadius={150}
+              color={[255, 255, 255, 0.6]} // RGBA
+              scale={this.zoom}
+              rotate={0}
+            />
+          </AvatarEditorContainer>
+          <RangeInput
+            type="range"
+            min="0.1"
+            max="2"
+            step="0.01"
+            defaultValue="1"
+            onChange={this.handleZoom}
+          />
+          {this.isUploading && <LoadingIndicator />}
+          <CropButton onClick={this.handleCrop} disabled={this.isUploading}>
+            Crop avatar
+          </CropButton>
+        </Flex>
+      </Modal>
+    );
+  }
+
+  render() {
+    if (this.isCropping) {
+      return this.renderCropping();
+    } else {
+      return (
+        <Dropzone
+          accept="image/png, image/jpeg"
+          onDropAccepted={this.onDropAccepted}
+          style={{}}
+          disablePreview
+          {...this.props}
+        >
+          {this.props.children}
+        </Dropzone>
+      );
+    }
+  }
+}
+
+const AvatarEditorContainer = styled(Flex)`
+  margin-bottom: 30px;
+`;
+
+const RangeInput = styled.input`
+  display: block;
+  width: 300px;
+  margin-bottom: 30px;
+  height: 4px;
+  cursor: pointer;
+  color: inherit;
+  border-radius: 99999px;
+  background-color: #dee1e3;
+  appearance: none;
+
+  &::-webkit-slider-thumb {
+    -webkit-appearance: none;
+    height: 16px;
+    width: 16px;
+    border-radius: 50%;
+    background: black;
+    cursor: pointer;
+  }
+
+  &:focus {
+    outline: none;
+  }
+`;
+
+const CropButton = styled(Button)`
+  width: 300px;
+`;
+
+export default DropToImport;

app/utils/uploadFile.js

@@ -6,15 +6,22 @@ type File = {
   blob: boolean,
   type: string,
   size: number,
-  name: string,
+  name?: string,
   file: string,
 };
 
-export default async function uploadFile(file: File) {
+type Options = {
+  name?: string,
+};
+
+export const uploadFile = async (file: File | Blob, option?: Options) => {
+  // $FlowFixMe Blob makes life hard
+  const filename = (option && option.name) || file.name;
+
   const response = await client.post('/user.s3Upload', {
     kind: file.type,
     size: file.size,
-    filename: file.name,
+    filename,
   });
 
   invariant(response, 'Response should be available');
@@ -28,6 +35,7 @@ export default async function uploadFile(file: File) {
   }
 
   if (file.blob) {
+    // $FlowFixMe
     formData.append('file', file.file);
   } else {
     // $FlowFixMe
@@ -41,4 +49,14 @@ export default async function uploadFile(file: File) {
   await fetch(data.uploadUrl, options);
 
   return asset;
-}
+};
+
+export const dataUrlToBlob = (dataURL: string) => {
+  var blobBin = atob(dataURL.split(',')[1]);
+  var array = [];
+  for (var i = 0; i < blobBin.length; i++) {
+    array.push(blobBin.charCodeAt(i));
+  }
+  const file = new Blob([new Uint8Array(array)], { type: 'image/png' });
+  return file;
+};