Use server-provided poll limits instead of hardcoded ones

Also does not enable polls if no limits are provided by the server

app/javascript/flavours/glitch/features/composer/options/index.js

@@ -19,6 +19,7 @@ import {
   assignHandlers,
   hiddenComponent,
 } from 'flavours/glitch/util/react_helpers';
+import { pollLimits } from 'flavours/glitch/util/initial_state';
 
 //  Messages.
 const messages = defineMessages({
@@ -248,19 +249,21 @@ export default class ComposerOptions extends React.PureComponent {
           onModalOpen={onModalOpen}
           title={intl.formatMessage(messages.attach)}
         />
-        <IconButton
-          active={hasPoll}
-          disabled={disabled || !allowPoll}
-          icon='tasks'
-          inverted
-          onClick={onTogglePoll}
-          size={18}
-          style={{
-            height: null,
-            lineHeight: null,
-          }}
-          title={intl.formatMessage(hasPoll ? messages.remove_poll : messages.add_poll)}
-        />
+        {!!pollLimits && (
+          <IconButton
+            active={hasPoll}
+            disabled={disabled || !allowPoll}
+            icon='tasks'
+            inverted
+            onClick={onTogglePoll}
+            size={18}
+            style={{
+              height: null,
+              lineHeight: null,
+            }}
+            title={intl.formatMessage(hasPoll ? messages.remove_poll : messages.add_poll)}
+          />
+        )}
         <Motion
           defaultStyle={{ scale: 0.87 }}
           style={{

app/javascript/flavours/glitch/features/composer/poll_form/components/poll_form.js

@@ -6,6 +6,7 @@ import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
 import IconButton from 'flavours/glitch/components/icon_button';
 import Icon from 'flavours/glitch/components/icon';
 import classNames from 'classnames';
+import { pollLimits } from 'flavours/glitch/util/initial_state';
 
 const messages = defineMessages({
   option_placeholder: { id: 'compose_form.poll.option_placeholder', defaultMessage: 'Choice {number}' },
@@ -48,7 +49,7 @@ class Option extends React.PureComponent {
           <input
             type='text'
             placeholder={intl.formatMessage(messages.option_placeholder, { number: index + 1 })}
-            maxlength={25}
+            maxlength={pollLimits.max_option_chars}
             value={title}
             onChange={this.handleOptionTitleChange}
           />
@@ -100,7 +101,7 @@ class PollForm extends ImmutablePureComponent {
         </ul>
 
         <div className='poll__footer'>
-          {options.size < 4 && (
+          {options.size < pollLimits.max_options && (
             <button className='button button-secondary' onClick={this.handleAddOption}><Icon id='plus' /> <FormattedMessage {...messages.add_option} /></button>
           )}
 

app/javascript/flavours/glitch/util/initial_state.js

@@ -22,6 +22,7 @@ export const deleteModal = getMeta('delete_modal');
 export const me = getMeta('me');
 export const searchEnabled = getMeta('search_enabled');
 export const maxChars = (initialState && initialState.max_toot_chars) || 500;
+export const pollLimits = (initialState && initialState.poll_limits);
 export const invitesEnabled = getMeta('invites_enabled');
 export const version = getMeta('version');
 export const mascot = getMeta('mascot');