Reconcile the code to display attachment previews into a FileAttachmentList class to clean up duplicated code.

web/react/components/file_attachment.jsx

@@ -0,0 +1,109 @@
+// Copyright (c) 2015 Spinpunch, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+var utils = require('../utils/utils.jsx');
+
+module.exports = React.createClass({
+    displayName: "FileAttachment",
+    propTypes: {
+        filenames: React.PropTypes.arrayOf(React.PropTypes.string).isRequired,
+        index: React.PropTypes.number.isRequired,
+        imageModalId: React.PropTypes.string.isRequired,
+        handleImageClick: React.PropTypes.func
+    },
+    componentDidMount: function() {
+        var filename = this.props.filenames[this.props.index];
+
+        var self = this;
+
+        if (filename) {
+            var fileInfo = utils.splitFileLocation(filename);
+            if (Object.keys(fileInfo).length === 0) return;
+
+            var type = utils.getFileType(fileInfo.ext);
+
+            // This is a temporary patch to fix issue with old files using absolute paths
+            if (fileInfo.path.indexOf("/api/v1/files/get") != -1) {
+                fileInfo.path = fileInfo.path.split("/api/v1/files/get")[1];
+            }
+            fileInfo.path = utils.getWindowLocationOrigin() + "/api/v1/files/get" + fileInfo.path;
+
+            if (type === "image") {
+                $('<img/>').attr('src', fileInfo.path+'_thumb.jpg').load(function(path, name){ return function() {
+                    $(this).remove();
+                    if (name in self.refs) {
+                        var imgDiv = self.refs[name].getDOMNode();
+
+                        $(imgDiv).removeClass('post__load');
+                        $(imgDiv).addClass('post__image');
+
+                        var re1 = new RegExp(' ', 'g');
+                        var re2 = new RegExp('\\(', 'g');
+                        var re3 = new RegExp('\\)', 'g');
+                        var url = path.replace(re1, '%20').replace(re2, '%28').replace(re3, '%29');
+                        $(imgDiv).css('background-image', 'url('+url+'_thumb.jpg)');
+                    }
+                }}(fileInfo.path, filename));
+            }
+        }
+    },
+    render: function() {
+        var filenames = this.props.filenames;
+        var filename = filenames[this.props.index];
+
+        var fileInfo = utils.splitFileLocation(filename);
+        if (Object.keys(fileInfo).length === 0) return null;
+
+        var type = utils.getFileType(fileInfo.ext);
+
+        // This is a temporary patch to fix issue with old files using absolute paths
+        if (fileInfo.path.indexOf("/api/v1/files/get") != -1) {
+            fileInfo.path = fileInfo.path.split("/api/v1/files/get")[1];
+        }
+        fileInfo.path = utils.getWindowLocationOrigin() + "/api/v1/files/get" + fileInfo.path;
+
+        var thumbnail;
+        if (type === "image") {
+            thumbnail = (
+                <a className="post-image__thumbnail" href="#" onClick={this.props.handleImageClick}
+                    data-img-id={this.props.index} data-toggle="modal" data-target={"#" + this.props.imageModalId }>
+                    <div ref={filename} className="post__load" style={{backgroundImage: 'url(/static/images/load.gif)'}}/>
+                </a>
+            );
+        } else {
+            thumbnail = (
+                <a href={fileInfo.path + (fileInfo.ext ? "." + fileInfo.ext : "")} download={fileInfo.name + (fileInfo.ext ? "." + fileInfo.ext : "")}>
+                    <div className={"file-icon "+utils.getIconClassName(type)}/>
+                </a>
+            );
+        }
+
+        var containerClassName = "post-image__column";
+        if (type !== "image") {
+            containerClassName += " custom-file";
+        }
+
+        // TODO fix the race condition here where the file size may arrive before the rest of the page is rendered
+        // asynchronously request the size of the file so that we can display it next to the thumbnail
+        utils.getFileSize(fileInfo.path + "." + fileInfo.ext, function(self, _filename) {
+            return function(size) {
+                if ((_filename + "__size") in self.refs) {
+                    self.refs[_filename + "__size"].getDOMNode().innerHTML = " " + utils.fileSizeToString(size);
+                }
+            }
+        }(this, filename));
+
+        return (
+            <div className={containerClassName} key={filename}>
+                {thumbnail}
+                <div className="post-image__details">
+                    <div className="post-image__name">{fileInfo.name}</div>
+                    <div>
+                        <span className="post-image__type">{fileInfo.ext.toUpperCase()}</span>
+                        <span className="post-image__size" ref={filename + "__size"}></span>
+                    </div>
+                </div>
+            </div>
+        );
+    }
+});