From f1668bad15d27e6e2b40e5079f0b878603b33684 Mon Sep 17 00:00:00 2001
From: Ryan Wang <R-Wang97@users.noreply.github.com>
Date: Tue, 25 Apr 2017 12:34:21 -0400
Subject: Add confirm dialog before leaving private channel (#6206)

---
 webapp/components/channel_header.jsx | 65 +++++++++++++++++++++++++++++++++--
 webapp/components/confirm_modal.jsx  | 20 ++++++++---
 webapp/components/navbar.jsx         | 66 ++++++++++++++++++++++++++++++++++--
 webapp/i18n/en.json                  |  3 ++
 4 files changed, 146 insertions(+), 8 deletions(-)

diff --git a/webapp/components/channel_header.jsx b/webapp/components/channel_header.jsx
index 82864d48c..f09a4a61d 100644
--- a/webapp/components/channel_header.jsx
+++ b/webapp/components/channel_header.jsx
@@ -14,6 +14,7 @@ import ChannelMembersModal from './channel_members_modal.jsx';
 import ChannelNotificationsModal from './channel_notifications_modal.jsx';
 import DeleteChannelModal from './delete_channel_modal.jsx';
 import RenameChannelModal from './rename_channel_modal.jsx';
+import ConfirmModal from './confirm_modal.jsx';
 import ToggleModalButton from './toggle_modal_button.jsx';
 
 import ChannelStore from 'stores/channel_store.jsx';
@@ -57,6 +58,8 @@ export default class ChannelHeader extends React.Component {
         this.initWebrtc = this.initWebrtc.bind(this);
         this.onBusy = this.onBusy.bind(this);
         this.openDirectMessageModal = this.openDirectMessageModal.bind(this);
+        this.createLeaveChannelModal = this.createLeaveChannelModal.bind(this);
+        this.hideLeaveChannelModal = this.hideLeaveChannelModal.bind(this);
 
         const state = this.getStateFromStores();
         state.showEditChannelPurposeModal = false;
@@ -84,7 +87,8 @@ export default class ChannelHeader extends React.Component {
             otherUserId,
             enableFormatting: PreferenceStore.getBool(Preferences.CATEGORY_ADVANCED_SETTINGS, 'formatting', true),
             isBusy: WebrtcStore.isBusy(),
-            isFavorite: channel && ChannelUtils.isFavoriteChannel(channel)
+            isFavorite: channel && ChannelUtils.isFavoriteChannel(channel),
+            showLeaveChannelModal: false
         };
     }
 
@@ -135,7 +139,13 @@ export default class ChannelHeader extends React.Component {
     }
 
     handleLeave() {
-        ChannelActions.leaveChannel(this.state.channel.id);
+        if (this.state.channel.type === Constants.PRIVATE_CHANNEL) {
+            this.setState({
+                showLeaveChannelModal: true
+            });
+        } else {
+            ChannelActions.leaveChannel(this.state.channel.id);
+        }
     }
 
     toggleFavorite = (e) => {
@@ -219,6 +229,54 @@ export default class ChannelHeader extends React.Component {
         });
     }
 
+    hideLeaveChannelModal() {
+        this.setState({
+            showLeaveChannelModal: false
+        });
+    }
+
+    createLeaveChannelModal() {
+        const title = (
+            <FormattedMessage
+                id='leave_private_channel_modal.title'
+                defaultMessage='Leave Private Channel {channel}'
+                values={{
+                    channel: <b>{this.state.channel.display_name}</b>
+                }}
+            />
+        );
+
+        const message = (
+            <FormattedMessage
+                id='leave_private_channel_modal.message'
+                defaultMessage='Are you sure you wish to leave the private channel {channel}? You must be re-invited in order to re-join this channel in the future.'
+                values={{
+                    channel: <b>{this.state.channel.display_name}</b>
+                }}
+            />
+        );
+
+        const buttonClass = 'btn btn-danger';
+        const button = (
+            <FormattedMessage
+                id='leave_private_channel_modal.leave'
+                defaultMessage='Yes, leave channel'
+            />
+        );
+
+        return (
+            <ConfirmModal
+                show={this.state.showLeaveChannelModal}
+                title={title}
+                message={message}
+                confirmButtonClass={buttonClass}
+                confirmButton={button}
+                onConfirm={() => ChannelActions.leaveChannel(this.state.channel.id)}
+                onCancel={this.hideLeaveChannelModal}
+            />
+        );
+    }
+
     render() {
         const flagIcon = Constants.FLAG_ICON_SVG;
         const pinIcon = Constants.PIN_ICON;
@@ -764,6 +822,8 @@ export default class ChannelHeader extends React.Component {
             );
         }
 
+        const leaveChannelModal = this.createLeaveChannelModal();
+
         return (
             <div
                 id='channel-header'
@@ -876,6 +936,7 @@ export default class ChannelHeader extends React.Component {
                 </table>
                 {editPurposeModal}
                 {channelMembersModal}
+                {leaveChannelModal}
                 <RenameChannelModal
                     show={this.state.showRenameChannelModal}
                     onHide={this.hideRenameChannelModal}
diff --git a/webapp/components/confirm_modal.jsx b/webapp/components/confirm_modal.jsx
index 8034caf9d..05288e3ac 100644
--- a/webapp/components/confirm_modal.jsx
+++ b/webapp/components/confirm_modal.jsx
@@ -10,11 +10,21 @@ export default class ConfirmModal extends React.Component {
     constructor(props) {
         super(props);
 
-        this.handleConfirm = this.handleConfirm.bind(this);
+        this.handleKeypress = this.handleKeypress.bind(this);
     }
 
-    handleConfirm() {
-        this.props.onConfirm();
+    componentDidMount() {
+        document.addEventListener('keypress', this.handleKeypress);
+    }
+
+    componentWillUnmount() {
+        document.removeEventListener('keypress', this.handleKeypress);
+    }
+
+    handleKeypress(e) {
+        if (e.key === 'Enter' && this.props.show) {
+            this.props.onConfirm();
+        }
     }
 
     render() {
@@ -43,7 +53,7 @@ export default class ConfirmModal extends React.Component {
                     </button>
                     <button
                         type='button'
-                        className='btn btn-primary'
+                        className={this.props.confirmButtonClass}
                         onClick={this.props.onConfirm}
                     >
                         {this.props.confirmButton}
@@ -57,12 +67,14 @@ export default class ConfirmModal extends React.Component {
 ConfirmModal.defaultProps = {
     title: '',
     message: '',
+    confirmButtonClass: 'btn btn-primary',
     confirmButton: ''
 };
 ConfirmModal.propTypes = {
     show: React.PropTypes.bool.isRequired,
     title: React.PropTypes.node,
     message: React.PropTypes.node,
+    confirmButtonClass: React.PropTypes.string,
     confirmButton: React.PropTypes.node,
     onConfirm: React.PropTypes.func.isRequired,
     onCancel: React.PropTypes.func.isRequired
diff --git a/webapp/components/navbar.jsx b/webapp/components/navbar.jsx
index 33df0b423..6a306dafd 100644
--- a/webapp/components/navbar.jsx
+++ b/webapp/components/navbar.jsx
@@ -12,6 +12,7 @@ import ChannelMembersModal from './channel_members_modal.jsx';
 import ChannelNotificationsModal from './channel_notifications_modal.jsx';
 import DeleteChannelModal from './delete_channel_modal.jsx';
 import RenameChannelModal from './rename_channel_modal.jsx';
+import ConfirmModal from './confirm_modal.jsx';
 import ToggleModalButton from './toggle_modal_button.jsx';
 import StatusIcon from './status_icon.jsx';
 
@@ -67,6 +68,9 @@ export default class Navbar extends React.Component {
         this.openDirectMessageModal = this.openDirectMessageModal.bind(this);
         this.getPinnedPosts = this.getPinnedPosts.bind(this);
 
+        this.createLeaveChannelModal = this.createLeaveChannelModal.bind(this);
+        this.hideLeaveChannelModal = this.hideLeaveChannelModal.bind(this);
+
         const state = this.getStateFromStores();
         state.showEditChannelPurposeModal = false;
         state.showEditChannelHeaderModal = false;
@@ -85,7 +89,8 @@ export default class Navbar extends React.Component {
             users: [],
             userCount: ChannelStore.getCurrentStats().member_count,
             currentUser: UserStore.getCurrentUser(),
-            isFavorite: channel && ChannelUtils.isFavoriteChannel(channel)
+            isFavorite: channel && ChannelUtils.isFavoriteChannel(channel),
+            showLeaveChannelModal: false
         };
     }
 
@@ -117,7 +122,13 @@ export default class Navbar extends React.Component {
     }
 
     handleLeave() {
-        ChannelActions.leaveChannel(this.state.channel.id);
+        if (this.state.channel.type === Constants.PRIVATE_CHANNEL) {
+            this.setState({
+                showLeaveChannelModal: true
+            });
+        } else {
+            ChannelActions.leaveChannel(this.state.channel.id);
+        }
     }
 
     hideSidebars(e) {
@@ -676,6 +687,54 @@ export default class Navbar extends React.Component {
         return buttons;
     }
 
+    hideLeaveChannelModal() {
+        this.setState({
+            showLeaveChannelModal: false
+        });
+    }
+
+    createLeaveChannelModal() {
+        const title = (
+            <FormattedMessage
+                id='leave_private_channel_modal.title'
+                defaultMessage='Leave Private Channel {channel}'
+                values={{
+                    channel: <b>{this.state.channel.display_name}</b>
+                }}
+            />
+        );
+
+        const message = (
+            <FormattedMessage
+                id='leave_private_channel_modal.message'
+                defaultMessage='Are you sure you wish to leave the private channel {channel}? You must be re-invited in order to re-join this channel in the future.'
+                values={{
+                    channel: <b>{this.state.channel.display_name}</b>
+                }}
+            />
+        );
+
+        const buttonClass = 'btn btn-danger';
+        const button = (
+            <FormattedMessage
+                id='leave_private_channel_modal.leave'
+                defaultMessage='Yes, leave channel'
+            />
+        );
+
+        return (
+            <ConfirmModal
+                show={this.state.showLeaveChannelModal}
+                title={title}
+                message={message}
+                confirmButtonClass={buttonClass}
+                confirmButton={button}
+                onConfirm={() => ChannelActions.leaveChannel(this.state.channel.id)}
+                onCancel={this.hideLeaveChannelModal}
+            />
+        );
+    }
+
     getTeammateStatus() {
         const channel = this.state.channel;
 
@@ -844,6 +903,8 @@ export default class Navbar extends React.Component {
 
         var channelMenuDropdown = this.createDropdown(channel, channelTitle, isSystemAdmin, isTeamAdmin, isChannelAdmin, isDirect, isGroup, popoverContent);
 
+        const leaveChannelModal = this.createLeaveChannelModal();
+
         return (
             <div>
                 <nav
@@ -860,6 +921,7 @@ export default class Navbar extends React.Component {
                 </nav>
                 {editChannelHeaderModal}
                 {editChannelPurposeModal}
+                {leaveChannelModal}
                 {renameChannelModal}
                 {channelMembersModal}
                 {channelSwitchModal}
diff --git a/webapp/i18n/en.json b/webapp/i18n/en.json
index 29a46ac6b..d52d1c331 100755
--- a/webapp/i18n/en.json
+++ b/webapp/i18n/en.json
@@ -1583,6 +1583,9 @@
   "ldap_signup.length_error": "Name must be 3 or more characters up to a maximum of 15",
   "ldap_signup.teamName": "Enter name of new team",
   "ldap_signup.team_error": "Please enter a team name",
+  "leave_private_channel_modal.title": "Leave Private Channel {channel}",
+  "leave_private_channel_modal.message": "Are you sure you wish to leave the private channel {channel}? You must be re-invited in order to re-join this channel in the future.",
+  "leave_private_channel_modal.leave": "Yes, leave channel",
   "leave_team_modal.desc": "You will be removed from all public and private channels.  If the team is private you will not be able to rejoin the team.  Are you sure?",
   "leave_team_modal.no": "No",
   "leave_team_modal.title": "Leave the team?",
-- 
cgit v1.2.3-1-g7c22