Initial git

app/components/UserAvatar.jsx

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+// - Import react components
+import React, { Component } from 'react'
+import PropTypes from 'prop-types'
+import { connect } from 'react-redux'
+import Avatar from 'material-ui/Avatar'
+
+// - Import app components
+
+
+// - Import API
+
+// - Import actions
+import * as imageGalleryActions from 'imageGalleryActions'
+
+
+/**
+ * Create component class
+ */
+export class ImgCover extends Component {
+
+  static propTypes = {
+
+    /**
+     * Use for getting url address from server
+     */
+    fileName: PropTypes.string.isRequired,
+    /**
+     * Avatar style
+     */
+    style: PropTypes.object,
+    /**
+     * Avatar size
+     */
+    size: PropTypes.number,
+    /**
+     * Trigger on touch tap
+     */
+    onTouchTap: PropTypes.func
+
+  }
+
+  /**
+   * Component constructor
+   * @param  {object} props is an object properties of component
+   */
+  constructor(props) {
+    super(props)
+
+    //Defaul state
+    this.state = {
+    }
+
+    // Binding functions to `this`
+    this.getImageURL = this.getImageURL.bind(this)
+
+  }
+
+  componentWillReceiveProps(nextProps) {
+    const { fileName, avatarURL } = this.props
+    if (fileName && !avatarURL[fileName]) {
+      if (this.props.imageRequests.indexOf(fileName) > -1)
+        return
+      this.getImageURL()
+    }
+  }
+
+  getImageURL = () => {
+    let { fileName } = this.props
+    if (fileName && fileName !== '') {
+      if (this.props.imageRequests.indexOf(fileName) > -1)
+        return
+      this.props.getImage(fileName)
+
+    }
+  }
+
+  componentWillMount() {
+    let { fileName } = this.props
+    
+    if (this.props.imageRequests.indexOf(fileName) > -1)
+      return
+    this.getImageURL()
+  }
+
+  /**
+   * Reneder component DOM
+   * @return {react element} return the DOM which rendered by component
+   */
+  render() {
+    let { fileName, style, size, onTouchTap, avatarURL } = this.props
+
+    return (
+      <Avatar src={avatarURL[fileName] || ''} size={size || 36} style={style} onTouchTap={onTouchTap} />
+
+    )
+  }
+}
+
+
+
+/**
+ * Map dispatch to props
+ * @param  {func} dispatch is the function to dispatch action to reducers
+ * @param  {object} ownProps is the props belong to component
+ * @return {object}          props of component
+ */
+const mapDispatchToProps = (dispatch, ownProps) => {
+  return {
+    getImage: (name) => dispatch(imageGalleryActions.dbDownloadImage(name))
+
+  }
+}
+
+/**
+ * Map state to props
+ * @param  {object} state is the obeject from redux store
+ * @param  {object} ownProps is the props belong to component
+ * @return {object}          props of component
+ */
+const mapStateToProps = (state, ownProps) => {
+  return {
+    avatarURL: state.imageGallery.imageURLList,
+        imageRequests: state.imageGallery.imageRequests
+
+  }
+}
+
+// - Connect component to redux store
+export default connect(mapStateToProps, mapDispatchToProps)(ImgCover)