fix EventHistory with diffs

frontend/src/component/history/history-item.jsx

@@ -0,0 +1,124 @@
+import React, { PropTypes, Component } from 'react';
+
+import FontIcon from 'react-toolbox/lib/font_icon';
+
+import style from './history.scss';
+
+const DIFF_PREFIXES = {
+    A: ' ',
+    E: ' ',
+    D: '-',
+    N: '+',
+};
+
+const SPADEN_CLASS = {
+    A: style.blue, // array edited
+    E: style.blue, // edited
+    D: style.negative, // deleted
+    N: style.positive, // added
+};
+
+class HistoryItem extends Component {
+
+    static propTypes () {
+        return {
+            entry: PropTypes.object,
+        };
+    }
+
+    getIcon (type) {
+        if (type.indexOf('created') > -1 ) {
+            return 'add';
+        }
+
+        if (type.indexOf('deleted') > -1 ) {
+            return 'remove';
+        }
+
+        if (type.indexOf('updated') > -1 ) {
+            return 'update';
+        }
+
+        if (type.indexOf('archived') > -1 ) {
+            return 'archived';
+        }
+        return 'bookmark';
+    }
+
+    buildDiff (diff, idx) {
+        let change;
+        const key = diff.path.join('.');
+
+        if (diff.lhs !== undefined && diff.rhs !== undefined) {
+            change = (
+                <div>
+                  <div className={SPADEN_CLASS.D}>- {key}: {JSON.stringify(diff.lhs)}</div>
+                  <div className={SPADEN_CLASS.N}>+ {key}: {JSON.stringify(diff.rhs)}</div>
+                </div>
+            );
+        } else {
+            const spadenClass = SPADEN_CLASS[diff.kind];
+            const prefix      = DIFF_PREFIXES[diff.kind];
+
+            change = (<div className={spadenClass}>{prefix} {key}: {JSON.stringify(diff.rhs)}</div>);
+        }
+
+        return (<div key={idx}>{change}</div>);
+    }
+
+    renderEventDiff (logEntry) {
+        if (!logEntry.diffs) {
+            return;
+        }
+        const changes = logEntry.diffs.map(this.buildDiff);
+        return (
+            <code className="smalltext man">{changes.length === 0 ? '(no changes)' : changes}</code>
+        );
+    }
+
+    renderFullEventData (logEntry) {
+        const localEventData = JSON.parse(JSON.stringify(logEntry));
+        delete localEventData.description;
+        delete localEventData.name;
+        delete localEventData.diffs;
+
+        const prettyPrinted = JSON.stringify(localEventData, null, 2);
+
+        return (<code className="JSON smalltext man">{prettyPrinted}</code>);
+    }
+
+    render () {
+        const {
+            createdBy,
+            id,
+            type,
+        } = this.props.entry;
+
+        const createdAt = (new Date(this.props.entry.createdAt)).toLocaleString('nb-NO');
+        const icon = this.getIcon(type);
+
+        const data = this.props.showData ?
+            this.renderFullEventData(this.props.entry) : this.renderEventDiff(this.props.entry);
+
+        return (
+            <tr>
+                <td>
+                    <FontIcon value={icon} title={type} /> {type}
+                    <dl>
+                        <dt>Id:</dt>
+                        <dd>{id}</dd>
+                        <dt>Type:</dt>
+                        <dd>{type}</dd>
+                        <dt>Timestamp:</dt>
+                        <dd>{createdAt}</dd>
+                        <dt>Username:</dt>
+                        <dd>{createdBy}</dd>
+                    </dl>
+                </td>
+                <td>{data}</td>
+             </tr>
+        );
+    }
+}
+
+export default HistoryItem;

frontend/src/component/history/history-list-component.jsx

@@ -1,58 +1,48 @@
 import React, { Component } from 'react';
-import { List, ListItem, ListSubHeader } from 'react-toolbox/lib/list';
+import HistoryItem from './history-item';
+import Switch from 'react-toolbox/lib/switch';
+
+import style from './history.scss';
 
 class HistoryList extends Component {
 
+    constructor (props) {
+        super(props);
+        this.state = { showData: false };
+    }
+
     componentDidMount () {
         this.props.fetchHistory();
     }
 
-    getIcon (type) {
-        if (type.indexOf('created') > -1 ) {
-            return 'add';
-        }
-
-        if (type.indexOf('deleted') > -1 ) {
-            return 'remove';
-        }
-
-        if (type.indexOf('updated') > -1 ) {
-            return 'update';
-        }
-
-        if (type.indexOf('archived') > -1 ) {
-            return 'archived';
-        }
-        return 'bookmark';
+    toggleShowDiff () {
+        this.setState({ showData: !this.state.showData });
     }
 
     render () {
         const { history } = this.props;
-
-        return (
-            <List ripple >
-                <ListSubHeader caption="History" />
-                {history.length > 0 ? history.map((log, i) => {
-                    const actions = [];
-
-
-                    const icon = this.getIcon(log.type);
-
-                    const caption = <div>{log.data.name} <small>{log.type}</small></div>;
-
-                    return (
-                        <ListItem key={i}
-                            leftIcon={icon}
-                            rightActions={actions}
-                            caption={caption}
-                            legend={log.createdAt} />
-                    );
-                }) : <ListItem caption="No log entries" />}
-
-            </List>
-        );
-    }
+        if (history.length < 0) {
+            return;
         }
 
 
+        const entries =  history.map((entry) => <HistoryItem  key={`log${entry.id}`} entry={entry} showData={this.state.showData} />);
+
+        return (
+            <div>
+                <h5>History</h5>
+                <Switch
+                    checked={this.state.showData}
+                    label="Show full events"
+                    onChange={this.toggleShowDiff.bind(this)}
+                    />
+                <table className={style.history}>
+                    <tbody>
+                        {entries}
+                    </tbody>
+                </table>
+            </div>
+        );
+    }
+}
 export default HistoryList;

frontend/src/component/history/history.scss

@@ -0,0 +1,78 @@
+.history {
+    width:100%;
+    border-collapse: collapse;
+
+    td {
+        vertical-align: top;
+        padding: 8px;
+        margin-bottom: 4px;
+    }
+
+    tbody tr:nth-child(odd) {
+        background-color: #efefef;
+    }
+
+    td + td {
+        border-left: 1px solid white;
+    }
+
+    tr {
+        display: flex;
+        align-items: stretch;
+    }
+    
+    td:last-child {
+        flex: 1;
+        display:inline-block;
+        /* to keep IE happy */
+    }
+    
+    code {
+        word-wrap: break-word;
+        white-space: pre;
+        font-family: monospace;
+        line-height: 100%;
+        color: #0B8C8F
+    }
+
+    code > .diff-N {
+        color: green;
+    }
+
+    code > .diff-D {
+        color: red;
+    }
+
+    code > .diff-A, .diff-E {
+        color: black;
+    }
+
+    .negative {
+        color: red;
+    }
+
+    .positive {
+        color: green;
+    }
+
+    .blue {
+        color: blue;
+    }
+
+
+    dl {
+        padding: 0.5em;
+    }
+
+    dt {
+        float: left;
+        clear: left;
+        width: 100px;
+        font-weight: bold;
+    }
+
+    dd {
+        margin: 0 0 0 110px;
+        padding: 0 0 0.5em 0;
+    }
+}