PLT-4990 (WebApp): Separate channel management permissions. (#4865)

8 files changed, 231 insertions, 95 deletions

diff --git a/webapp/components/admin_console/policy_settings.jsx b/webapp/components/admin_console/policy_settings.jsx
index 501e3724e..50b9d4033 100644
--- a/webapp/components/admin_console/policy_settings.jsx
+++ b/webapp/components/admin_console/policy_settings.jsx
@@ -23,8 +23,12 @@ export default class PolicySettings extends AdminSettings {
 
     getConfigFromState(config) {
         config.TeamSettings.RestrictTeamInvite = this.state.restrictTeamInvite;
+        config.TeamSettings.RestrictPublicChannelCreation = this.state.restrictPublicChannelCreation;
+        config.TeamSettings.RestrictPrivateChannelCreation = this.state.restrictPrivateChannelCreation;
         config.TeamSettings.RestrictPublicChannelManagement = this.state.restrictPublicChannelManagement;
         config.TeamSettings.RestrictPrivateChannelManagement = this.state.restrictPrivateChannelManagement;
+        config.TeamSettings.RestrictPublicChannelDeletion = this.state.restrictPublicChannelDeletion;
+        config.TeamSettings.RestrictPrivateChannelDeletion = this.state.restrictPrivateChannelDeletion;
 
         return config;
     }
@@ -32,8 +36,12 @@ export default class PolicySettings extends AdminSettings {
     getStateFromConfig(config) {
         return {
             restrictTeamInvite: config.TeamSettings.RestrictTeamInvite,
+            restrictPublicChannelCreation: config.TeamSettings.RestrictPublicChannelCreation,
+            restrictPrivateChannelCreation: config.TeamSettings.RestrictPrivateChannelCreation,
             restrictPublicChannelManagement: config.TeamSettings.RestrictPublicChannelManagement,
-            restrictPrivateChannelManagement: config.TeamSettings.RestrictPrivateChannelManagement
+            restrictPrivateChannelManagement: config.TeamSettings.RestrictPrivateChannelManagement,
+            restrictPublicChannelDeletion: config.TeamSettings.RestrictPublicChannelDeletion,
+            restrictPrivateChannelDeletion: config.TeamSettings.RestrictPrivateChannelDeletion
         };
     }
 
@@ -74,7 +82,7 @@ export default class PolicySettings extends AdminSettings {
                     }
                 />
                 <DropdownSetting
-                    id='restrictPublicChannelManagement'
+                    id='restrictPublicChannelCreation'
                     values={[
                         {value: Constants.PERMISSIONS_ALL, text: Utils.localizeMessage('admin.general.policy.permissionsAll', 'All team members')},
                         {value: Constants.PERMISSIONS_TEAM_ADMIN, text: Utils.localizeMessage('admin.general.policy.permissionsAdmin', 'Team and System Admins')},
@@ -82,21 +90,75 @@ export default class PolicySettings extends AdminSettings {
                     ]}
                     label={
                         <FormattedMessage
+                            id='admin.general.policy.restrictPublicChannelCreationTitle'
+                            defaultMessage='Enable public channel creation for:'
+                        />
+                    }
+                    value={this.state.restrictPublicChannelCreation}
+                    onChange={this.handleChange}
+                    helpText={
+                        <FormattedMessage
+                            id='admin.general.policy.restrictPublicChannelCreationDescription'
+                            defaultMessage='Set policy on who can create public channels.'
+                        />
+                    }
+                />
+                <DropdownSetting
+                    id='restrictPublicChannelManagement'
+                    values={[
+                        {value: Constants.PERMISSIONS_ALL, text: Utils.localizeMessage('admin.general.policy.permissionsAllChannel', 'All channel members')},
+                        {value: Constants.PERMISSIONS_TEAM_ADMIN, text: Utils.localizeMessage('admin.general.policy.permissionsAdmin', 'Team and System Admins')},
+                        {value: Constants.PERMISSIONS_SYSTEM_ADMIN, text: Utils.localizeMessage('admin.general.policy.permissionsSystemAdmin', 'System Admins')}
+                    ]}
+                    label={
+                        <FormattedMessage
                             id='admin.general.policy.restrictPublicChannelManagementTitle'
-                            defaultMessage='Enable public channel management permissions for:'
+                            defaultMessage='Enable public channel renaming for:'
                         />
                     }
                     value={this.state.restrictPublicChannelManagement}
                     onChange={this.handleChange}
                     helpText={
-                        <FormattedHTMLMessage
+                        <FormattedMessage
                             id='admin.general.policy.restrictPublicChannelManagementDescription'
-                            defaultMessage='Set policy on who can create, delete, rename, and set the header or purpose for public channels.'
+                            defaultMessage='Set policy on who can rename and set the header or purpose for public channels.'
                         />
                     }
                 />
                 <DropdownSetting
-                    id='restrictPrivateChannelManagement'
+                    id='restrictPublicChannelDeletion'
+                    values={[
+                        {value: Constants.PERMISSIONS_ALL, text: Utils.localizeMessage('admin.general.policy.permissionsAllChannel', 'All channel members')},
+                        {value: Constants.PERMISSIONS_TEAM_ADMIN, text: Utils.localizeMessage('admin.general.policy.permissionsAdmin', 'Team and System Admins')},
+                        {value: Constants.PERMISSIONS_SYSTEM_ADMIN, text: Utils.localizeMessage('admin.general.policy.permissionsSystemAdmin', 'System Admins')}
+                    ]}
+                    label={
+                        <FormattedMessage
+                            id='admin.general.policy.restrictPublicChannelDeletionTitle'
+                            defaultMessage='Enable public channel deletion for:'
+                        />
+                    }
+                    value={this.state.restrictPublicChannelDeletion}
+                    onChange={this.handleChange}
+                    helpText={
+                        <FormattedMessage
+                            id='admin.general.policy.restrictPublicChannelDeletionDescription'
+                            defaultMessage='Set policy on who can delete public channels. Deleted channels can be recovered from the database using a {commandLineToolLink}.'
+                            values={{
+                                commandLineToolLink: (
+                                    <a href='https://docs.mattermost.com/administration/command-line-tools.html'>
+                                        <FormattedMessage
+                                            id='admin.general.policy.restrictPublicChannelDeletionCommandLineToolLink'
+                                            defaultMessage='command line tool'
+                                        />
+                                    </a>
+                                )
+                            }}
+                        />
+                    }
+                />
+                <DropdownSetting
+                    id='restrictPrivateChannelCreation'
                     values={[
                         {value: Constants.PERMISSIONS_ALL, text: Utils.localizeMessage('admin.general.policy.permissionsAll', 'All team members')},
                         {value: Constants.PERMISSIONS_TEAM_ADMIN, text: Utils.localizeMessage('admin.general.policy.permissionsAdmin', 'Team and System Admins')},
@@ -104,16 +166,70 @@ export default class PolicySettings extends AdminSettings {
                     ]}
                     label={
                         <FormattedMessage
+                            id='admin.general.policy.restrictPrivateChannelCreationTitle'
+                            defaultMessage='Enable private group creation for:'
+                        />
+                    }
+                    value={this.state.restrictPrivateChannelCreation}
+                    onChange={this.handleChange}
+                    helpText={
+                        <FormattedMessage
+                            id='admin.general.policy.restrictPrivateChannelCreationDescription'
+                            defaultMessage='Set policy on who can create private groups.'
+                        />
+                    }
+                />
+                <DropdownSetting
+                    id='restrictPrivateChannelManagement'
+                    values={[
+                        {value: Constants.PERMISSIONS_ALL, text: Utils.localizeMessage('admin.general.policy.permissionsAllChannel', 'All channel members')},
+                        {value: Constants.PERMISSIONS_TEAM_ADMIN, text: Utils.localizeMessage('admin.general.policy.permissionsAdmin', 'Team and System Admins')},
+                        {value: Constants.PERMISSIONS_SYSTEM_ADMIN, text: Utils.localizeMessage('admin.general.policy.permissionsSystemAdmin', 'System Admins')}
+                    ]}
+                    label={
+                        <FormattedMessage
                             id='admin.general.policy.restrictPrivateChannelManagementTitle'
-                            defaultMessage='Enable private group management permissions for:'
+                            defaultMessage='Enable private group renaming for:'
                         />
                     }
                     value={this.state.restrictPrivateChannelManagement}
                     onChange={this.handleChange}
                     helpText={
-                        <FormattedHTMLMessage
+                        <FormattedMessage
                             id='admin.general.policy.restrictPrivateChannelManagementDescription'
-                            defaultMessage='Set policy on who can create, delete, rename, and set the header or purpose for private groups.'
+                            defaultMessage='Set policy on who can rename and set the header or purpose for private groups.'
+                        />
+                    }
+                />
+                <DropdownSetting
+                    id='restrictPrivateChannelDeletion'
+                    values={[
+                        {value: Constants.PERMISSIONS_ALL, text: Utils.localizeMessage('admin.general.policy.permissionsAllChannel', 'All channel members')},
+                        {value: Constants.PERMISSIONS_TEAM_ADMIN, text: Utils.localizeMessage('admin.general.policy.permissionsAdmin', 'Team and System Admins')},
+                        {value: Constants.PERMISSIONS_SYSTEM_ADMIN, text: Utils.localizeMessage('admin.general.policy.permissionsSystemAdmin', 'System Admins')}
+                    ]}
+                    label={
+                        <FormattedMessage
+                            id='admin.general.policy.restrictPrivateChannelDeletionTitle'
+                            defaultMessage='Enable private group deletion for:'
+                        />
+                    }
+                    value={this.state.restrictPrivateChannelDeletion}
+                    onChange={this.handleChange}
+                    helpText={
+                        <FormattedMessage
+                            id='admin.general.policy.restrictPrivateChannelDeletionDescription'
+                            defaultMessage='Set policy on who can delete private groups. Deleted groups can be recovered from the database using a {commandLineToolLink}.'
+                            values={{
+                                commandLineToolLink: (
+                                    <a href='https://docs.mattermost.com/administration/command-line-tools.html'>
+                                        <FormattedMessage
+                                            id='admin.general.policy.restrictPrivateChannelDeletionCommandLineToolLink'
+                                            defaultMessage='command line tool'
+                                        />
+                                    </a>
+                                )
+                            }}
                         />
                     }
                 />
diff --git a/webapp/components/channel_header.jsx b/webapp/components/channel_header.jsx
index 52bed85cd..555b539cd 100644
--- a/webapp/components/channel_header.jsx
+++ b/webapp/components/channel_header.jsx
@@ -206,30 +206,6 @@ export default class ChannelHeader extends React.Component {
         });
     }
 
-    showManagementOptions(channel, isAdmin, isSystemAdmin) {
-        if (global.window.mm_license.IsLicensed !== 'true') {
-            return true;
-        }
-
-        if (channel.type === Constants.OPEN_CHANNEL) {
-            if (global.window.mm_config.RestrictPublicChannelManagement === Constants.PERMISSIONS_SYSTEM_ADMIN && !isSystemAdmin) {
-                return false;
-            }
-            if (global.window.mm_config.RestrictPublicChannelManagement === Constants.PERMISSIONS_TEAM_ADMIN && !isAdmin) {
-                return false;
-            }
-        } else if (channel.type === Constants.PRIVATE_CHANNEL) {
-            if (global.window.mm_config.RestrictPrivateChannelManagement === Constants.PERMISSIONS_SYSTEM_ADMIN && !isSystemAdmin) {
-                return false;
-            }
-            if (global.window.mm_config.RestrictPrivateChannelManagement === Constants.PERMISSIONS_TEAM_ADMIN && !isAdmin) {
-                return false;
-            }
-        }
-
-        return true;
-    }
-
     initWebrtc(contactId, isOnline) {
         if (isOnline && !this.state.isBusy) {
             GlobalActions.emitCloseRightHandSide();
@@ -521,7 +497,7 @@ export default class ChannelHeader extends React.Component {
                 </li>
             );
 
-            if (this.showManagementOptions(channel, isAdmin, isSystemAdmin)) {
+            if (ChannelUtils.showManagementOptions(channel, isAdmin, isSystemAdmin)) {
                 dropdownContents.push(
                     <li
                         key='set_channel_header'
@@ -584,7 +560,9 @@ export default class ChannelHeader extends React.Component {
                         </a>
                     </li>
                 );
+            }
 
+            if (ChannelUtils.showDeleteOption(channel, isAdmin, isSystemAdmin)) {
                 if (!ChannelStore.isDefault(channel)) {
                     dropdownContents.push(deleteOption);
                 }
diff --git a/webapp/components/more_channels.jsx b/webapp/components/more_channels.jsx
index b0064f18a..5374c3344 100644
--- a/webapp/components/more_channels.jsx
+++ b/webapp/components/more_channels.jsx
@@ -9,6 +9,7 @@ import TeamStore from 'stores/team_store.jsx';
 
 import Constants from 'utils/constants.jsx';
 import * as AsyncClient from 'utils/async_client.jsx';
+import * as ChannelUtils from 'utils/channel_utils.jsx';
 import {joinChannel, searchMoreChannels} from 'actions/channel_actions.jsx';
 
 import React from 'react';
@@ -151,14 +152,9 @@ export default class MoreChannels extends React.Component {
         const isAdmin = TeamStore.isTeamAdminForCurrentTeam() || UserStore.isSystemAdminForCurrentUser();
         const isSystemAdmin = UserStore.isSystemAdminForCurrentUser();
 
-        if (global.window.mm_license.IsLicensed === 'true') {
-            if (global.window.mm_config.RestrictPublicChannelManagement === Constants.PERMISSIONS_SYSTEM_ADMIN && !isSystemAdmin) {
-                createNewChannelButton = null;
-                createChannelHelpText = null;
-            } else if (global.window.mm_config.RestrictPublicChannelManagement === Constants.PERMISSIONS_TEAM_ADMIN && !isAdmin) {
-                createNewChannelButton = null;
-                createChannelHelpText = null;
-            }
+        if (!ChannelUtils.showCreateOption(Constants.OPEN_CHANNEL, isAdmin, isSystemAdmin)) {
+            createNewChannelButton = null;
+            createChannelHelpText = null;
         }
 
         return (
diff --git a/webapp/components/navbar.jsx b/webapp/components/navbar.jsx
index 07049446d..338d4edd1 100644
--- a/webapp/components/navbar.jsx
+++ b/webapp/components/navbar.jsx
@@ -222,30 +222,6 @@ export default class Navbar extends React.Component {
         });
     }
 
-    showManagementOptions(channel, isAdmin, isSystemAdmin) {
-        if (global.window.mm_license.IsLicensed !== 'true') {
-            return true;
-        }
-
-        if (channel.type === Constants.OPEN_CHANNEL) {
-            if (global.window.mm_config.RestrictPublicChannelManagement === Constants.PERMISSIONS_SYSTEM_ADMIN && !isSystemAdmin) {
-                return false;
-            }
-            if (global.window.mm_config.RestrictPublicChannelManagement === Constants.PERMISSIONS_TEAM_ADMIN && !isAdmin) {
-                return false;
-            }
-        } else if (channel.type === Constants.PRIVATE_CHANNEL) {
-            if (global.window.mm_config.RestrictPrivateChannelManagement === Constants.PERMISSIONS_SYSTEM_ADMIN && !isSystemAdmin) {
-                return false;
-            }
-            if (global.window.mm_config.RestrictPrivateChannelManagement === Constants.PERMISSIONS_TEAM_ADMIN && !isAdmin) {
-                return false;
-            }
-        }
-
-        return true;
-    }
-
     toggleFavorite = (e) => {
         e.preventDefault();
 
@@ -388,7 +364,7 @@ export default class Navbar extends React.Component {
                     </li>
                 );
 
-                if (this.showManagementOptions(channel, isAdmin, isSystemAdmin)) {
+                if (ChannelUtils.showManagementOptions(channel, isAdmin, isSystemAdmin)) {
                     setChannelHeaderOption = (
                         <li role='presentation'>
                             <a
@@ -444,7 +420,7 @@ export default class Navbar extends React.Component {
                     );
                 }
 
-                if (this.showManagementOptions(channel, isAdmin, isSystemAdmin) || this.state.userCount === 1) {
+                if (ChannelUtils.showDeleteOption(channel, isAdmin, isSystemAdmin) || this.state.userCount === 1) {
                     if (!ChannelStore.isDefault(channel)) {
                         deleteChannelOption = (
                             <li role='presentation'>
diff --git a/webapp/components/new_channel_modal.jsx b/webapp/components/new_channel_modal.jsx
index 2a7d93b0c..fc9fd0295 100644
--- a/webapp/components/new_channel_modal.jsx
+++ b/webapp/components/new_channel_modal.jsx
@@ -6,6 +6,7 @@ import ReactDOM from 'react-dom';
 
 import * as UserAgent from 'utils/user_agent.jsx';
 import * as Utils from 'utils/utils.jsx';
+import * as ChannelUtils from 'utils/channel_utils.jsx';
 import Constants from 'utils/constants.jsx';
 
 import UserStore from 'stores/user_store.jsx';
@@ -141,18 +142,12 @@ export default class NewChannelModal extends React.Component {
         const isAdmin = TeamStore.isTeamAdminForCurrentTeam() || UserStore.isSystemAdminForCurrentUser();
         const isSystemAdmin = UserStore.isSystemAdminForCurrentUser();
 
-        if (global.window.mm_license.IsLicensed === 'true') {
-            if (global.window.mm_config.RestrictPublicChannelManagement === Constants.PERMISSIONS_SYSTEM_ADMIN && !isSystemAdmin) {
-                createPublicChannelLink = null;
-            } else if (global.window.mm_config.RestrictPublicChannelManagement === Constants.PERMISSIONS_TEAM_ADMIN && !isAdmin) {
-                createPublicChannelLink = null;
-            }
-
-            if (global.window.mm_config.RestrictPrivateChannelManagement === Constants.PERMISSIONS_SYSTEM_ADMIN && !isSystemAdmin) {
-                createPrivateChannelLink = null;
-            } else if (global.window.mm_config.RestrictPrivateChannelManagement === Constants.PERMISSIONS_TEAM_ADMIN && !isAdmin) {
-                createPrivateChannelLink = null;
-            }
+        if (!ChannelUtils.showCreateOption(Constants.OPEN_CHANNEL, isAdmin, isSystemAdmin)) {
+            createPublicChannelLink = null;
+        }
+
+        if (!ChannelUtils.showCreateOption(Constants.PRIVATE_CHANNEL, isAdmin, isSystemAdmin)) {
+            createPrivateChannelLink = null;
         }
 
         var channelTerm = '';
diff --git a/webapp/components/sidebar.jsx b/webapp/components/sidebar.jsx
index 0651ebeee..1b802b1b0 100644
--- a/webapp/components/sidebar.jsx
+++ b/webapp/components/sidebar.jsx
@@ -722,18 +722,12 @@ export default class Sidebar extends React.Component {
             </OverlayTrigger>
         );
 
-        if (global.window.mm_license.IsLicensed === 'true') {
-            if (global.window.mm_config.RestrictPublicChannelManagement === Constants.PERMISSIONS_SYSTEM_ADMIN && !isSystemAdmin) {
-                createPublicChannelIcon = null;
-            } else if (global.window.mm_config.RestrictPublicChannelManagement === Constants.PERMISSIONS_TEAM_ADMIN && !isAdmin) {
-                createPublicChannelIcon = null;
-            }
+        if (!ChannelUtils.showCreateOption(Constants.OPEN_CHANNEL, isAdmin, isSystemAdmin)) {
+            createPublicChannelIcon = null;
+        }
 
-            if (global.window.mm_config.RestrictPrivateChannelManagement === Constants.PERMISSIONS_SYSTEM_ADMIN && !isSystemAdmin) {
-                createPrivateChannelIcon = null;
-            } else if (global.window.mm_config.RestrictPrivateChannelManagement === Constants.PERMISSIONS_TEAM_ADMIN && !isAdmin) {
-                createPrivateChannelIcon = null;
-            }
+        if (!ChannelUtils.showCreateOption(Constants.PRIVATE_CHANNEL, isAdmin, isSystemAdmin)) {
+            createPrivateChannelIcon = null;
         }
 
         let moreDirectChannelsModal;
diff --git a/webapp/i18n/en.json b/webapp/i18n/en.json
index 641c8daa8..55727c115 100644
--- a/webapp/i18n/en.json
+++ b/webapp/i18n/en.json
@@ -310,11 +310,22 @@
   "admin.general.policy": "Policy",
   "admin.general.policy.permissionsAdmin": "Team and System Admins",
   "admin.general.policy.permissionsAll": "All team members",
+  "admin.general.policy.permissionsAllChannel": "All channel members",
   "admin.general.policy.permissionsSystemAdmin": "System Admins",
-  "admin.general.policy.restrictPrivateChannelManagementDescription": "Set policy on who can create, delete, rename, and set the header or purpose for private groups.",
-  "admin.general.policy.restrictPrivateChannelManagementTitle": "Enable private group management permissions for:",
-  "admin.general.policy.restrictPublicChannelManagementDescription": "Set policy on who can create, delete, rename, and set the header or purpose for public channels.",
-  "admin.general.policy.restrictPublicChannelManagementTitle": "Enable public channel management permissions for:",
+  "admin.general.policy.restrictPublicChannelCreationTitle": "Enable public channel creation for:",
+  "admin.general.policy.restrictPublicChannelCreationDescription": "Set policy on who can create public channels.",
+  "admin.general.policy.restrictPublicChannelManagementTitle": "Enable public channel renaming for:",
+  "admin.general.policy.restrictPublicChannelManagementDescription": "Set policy on who can rename and set the header or purpose for public channels.",
+  "admin.general.policy.restrictPublicChannelDeletionTitle": "Enable public channel deletion for:",
+  "admin.general.policy.restrictPublicChannelDeletionDescription": "Set policy on who can delete public channels. Deleted channels can be recovered from the database using a {commandLineToolLink}.",
+  "admin.general.policy.restrictPublicChannelDeletionCommandLineToolLink": "command line tool",
+  "admin.general.policy.restrictPrivateChannelCreationTitle": "Enable private group creation for:",
+  "admin.general.policy.restrictPrivateChannelCreationDescription": "Set policy on who can create private groups.",
+  "admin.general.policy.restrictPrivateChannelManagementTitle": "Enable private group renaming for:",
+  "admin.general.policy.restrictPrivateChannelManagementDescription": "Set policy on who can rename and set the header or purpose for private groups.",
+  "admin.general.policy.restrictPrivateChannelDeletionTitle": "Enable private group deletion for:",
+  "admin.general.policy.restrictPrivateChannelDeletionDescription": "Set policy on who can delete private groups. Deleted groups can be recovered from the database using a {commandLineToolLink}.",
+  "admin.general.policy.restrictPrivateChannelDeletionCommandLineToolLink": "command line tool",
   "admin.general.policy.teamInviteDescription": "Set policy on who can invite others to a team using <b>Invite New Member</b> to invite new users by email, or the <b>Get Team Invite Link</b> options from the Main Menu. If <b>Get Team Invite Link</b> is used to share a link, you can expire the invite code from <b>Team Settings</b> > <b>Invite Code</b> after the desired users join the team.",
   "admin.general.policy.teamInviteTitle": "Enable sending team invites from:",
   "admin.general.privacy": "Privacy",
diff --git a/webapp/utils/channel_utils.jsx b/webapp/utils/channel_utils.jsx
index 113d86ea8..50573e077 100644
--- a/webapp/utils/channel_utils.jsx
+++ b/webapp/utils/channel_utils.jsx
@@ -82,6 +82,76 @@ export function sortChannelsByDisplayName(a, b) {
     return buildDisplayNameAndTypeComparable(a).localeCompare(buildDisplayNameAndTypeComparable(b), locale, {numeric: true});
 }
 
+export function showCreateOption(channelType, isAdmin, isSystemAdmin) {
+    if (global.window.mm_license.IsLicensed !== 'true') {
+        return true;
+    }
+
+    if (channelType === Constants.OPEN_CHANNEL) {
+        if (global.window.mm_config.RestrictPublicChannelCreation === Constants.PERMISSIONS_SYSTEM_ADMIN && !isSystemAdmin) {
+            return false;
+        } else if (global.window.mm_config.RestrictPublicChannelCreation === Constants.PERMISSIONS_TEAM_ADMIN && !isAdmin) {
+            return false;
+        }
+    } else if (channelType === Constants.PRIVATE_CHANNEL) {
+        if (global.window.mm_config.RestrictPrivateChannelCreation === Constants.PERMISSIONS_SYSTEM_ADMIN && !isSystemAdmin) {
+            return false;
+        } else if (global.window.mm_config.RestrictPrivateChannelCreation === Constants.PERMISSIONS_TEAM_ADMIN && !isAdmin) {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+export function showManagementOptions(channel, isAdmin, isSystemAdmin) {
+    if (global.window.mm_license.IsLicensed !== 'true') {
+        return true;
+    }
+
+    if (channel.type === Constants.OPEN_CHANNEL) {
+        if (global.window.mm_config.RestrictPublicChannelManagement === Constants.PERMISSIONS_SYSTEM_ADMIN && !isSystemAdmin) {
+            return false;
+        }
+        if (global.window.mm_config.RestrictPublicChannelManagement === Constants.PERMISSIONS_TEAM_ADMIN && !isAdmin) {
+            return false;
+        }
+    } else if (channel.type === Constants.PRIVATE_CHANNEL) {
+        if (global.window.mm_config.RestrictPrivateChannelManagement === Constants.PERMISSIONS_SYSTEM_ADMIN && !isSystemAdmin) {
+            return false;
+        }
+        if (global.window.mm_config.RestrictPrivateChannelManagement === Constants.PERMISSIONS_TEAM_ADMIN && !isAdmin) {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+export function showDeleteOption(channel, isAdmin, isSystemAdmin) {
+    if (global.window.mm_license.IsLicensed !== 'true') {
+        return true;
+    }
+
+    if (channel.type === Constants.OPEN_CHANNEL) {
+        if (global.window.mm_config.RestrictPublicChannelDeletion === Constants.PERMISSIONS_SYSTEM_ADMIN && !isSystemAdmin) {
+            return false;
+        }
+        if (global.window.mm_config.RestrictPublicChannelDeletion === Constants.PERMISSIONS_TEAM_ADMIN && !isAdmin) {
+            return false;
+        }
+    } else if (channel.type === Constants.PRIVATE_CHANNEL) {
+        if (global.window.mm_config.RestrictPrivateChannelDeletion === Constants.PERMISSIONS_SYSTEM_ADMIN && !isSystemAdmin) {
+            return false;
+        }
+        if (global.window.mm_config.RestrictPrivateChannelDeletion === Constants.PERMISSIONS_TEAM_ADMIN && !isAdmin) {
+            return false;
+        }
+    }
+
+    return true;
+}
+
 /*
  * not exported helpers
  */