Groups page / Create Group dialog

src/components/structures/MyGroups.js

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+/*
+Copyright 2017 Vector Creations Ltd
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import React from 'react';
+import sdk from '../../index';
+import { _t } from '../../languageHandler';
+import WithMatrixClient from '../../wrappers/WithMatrixClient';
+import AccessibleButton from '../views/elements/AccessibleButton';
+import dis from '../../dispatcher';
+import PropTypes from 'prop-types';
+import Modal from '../../Modal';
+
+const GroupTile = React.createClass({
+    displayName: 'GroupTile',
+
+    propTypes: {
+        groupId: PropTypes.string.isRequired,
+    },
+
+    onClick: function(e) {
+        e.preventDefault();
+        dis.dispatch({
+            action: 'view_group',
+            group_id: this.props.groupId,
+        });
+    },
+
+    render: function() {
+        return <a onClick={this.onClick} href="#">{this.props.groupId}</a>;
+    }
+});
+
+module.exports = WithMatrixClient(React.createClass({
+    displayName: 'GroupList',
+
+    propTypes: {
+        matrixClient: React.PropTypes.object.isRequired,
+    },
+
+    getInitialState: function() {
+        return {
+            groups: null,
+            error: null,
+        };
+    },
+
+    componentWillMount: function() {
+        this._fetch();
+    },
+
+    componentWillUnmount: function() {
+    },
+
+    _onCreateGroupClick: function() {
+        const CreateGroupDialog = sdk.getComponent("dialogs.CreateGroupDialog");
+        Modal.createDialog(CreateGroupDialog);
+    },
+
+    _fetch: function() {
+        this.props.matrixClient.getJoinedGroups().done((result) => {
+            this.setState({groups: result.groups, error: null});
+        }, (err) => {
+            this.setState({result: null, error: err});
+        });
+    },
+
+    render: function() {
+        const Loader = sdk.getComponent("elements.Spinner");
+        const SimpleRoomHeader = sdk.getComponent('rooms.SimpleRoomHeader');
+
+        let content;
+        if (this.state.groups) {
+            let groupNodes = [];
+            this.state.groups.forEach((g) => {
+                groupNodes.push(
+                    <div key={g}>
+                        <GroupTile groupId={g} />
+                    </div>
+                );
+            });
+            content = <div>{groupNodes}</div>;
+        } else if (this.state.error) {
+            content = <div className="mx_MyGroups_error">
+                Error whilst fetching joined groups
+            </div>;
+        }
+
+        return <div className="mx_MyGroups">
+            <SimpleRoomHeader title={ _t("Groups") } />
+            <div className='mx_MyGroups_buttonRow'>
+                <AccessibleButton className='mx_UserSettings_button' onClick={this._onCreateGroupClick}>
+                    {_t('Create a new group')}
+                </AccessibleButton>
+            </div>
+            You are a member of these groups:
+            {content}
+        </div>;
+    },
+}));

src/components/views/dialogs/CreateGroupDialog.js

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+/*
+Copyright 2017 Vector Creations Ltd
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import React from 'react';
+import sdk from '../../../index';
+import dis from '../../../dispatcher';
+import { _t } from '../../../languageHandler';
+import MatrixClientPeg from '../../../MatrixClientPeg';
+import AccessibleButton from '../elements/AccessibleButton';
+
+// We match fairly liberally and leave it up to the server to reject if
+// there are invalid characters etc.
+const GROUP_REGEX = /^\+(.*?):(.*)$/;
+
+export default React.createClass({
+    displayName: 'CreateGroupDialog',
+    propTypes: {
+        onFinished: React.PropTypes.func.isRequired,
+    },
+
+    getInitialState: function() {
+        return {
+            groupName: '',
+            groupId: '',
+            groupError: null,
+            creating: false,
+            createError: null,
+        };
+    },
+
+    _onGroupNameChange: function(e) {
+        this.setState({
+            groupName: e.target.value,
+        });
+    },
+
+    _onGroupIdChange: function(e) {
+        this.setState({
+            groupId: e.target.value,
+        });
+    },
+
+    _onGroupIdBlur: function(e) {
+        this._checkGroupId();
+    },
+
+    _checkGroupId: function(e) {
+        const parsedGroupId = this._parseGroupId(this.state.groupId);
+        let error = null;
+        if (parsedGroupId === null) {
+            error = _t("Group IDs must be of the form +localpart:%(domain)s", {domain: MatrixClientPeg.get().getDomain()});
+        } else {
+            const localpart = parsedGroupId[0];
+            const domain = parsedGroupId[1];
+            if (domain !== MatrixClientPeg.get().getDomain()) {
+                error = _t(
+                    "It is currently only possible to create groups on your own home server: use a group ID ending with %(domain)s",
+                    {domain: MatrixClientPeg.get().getDomain()}
+                );
+            }
+        }
+        this.setState({
+            groupIdError: error,
+        });
+        return error;
+    },
+
+    _onFormSubmit: function(e) {
+        e.preventDefault();
+
+        if (this._checkGroupId()) return;
+
+        const parsedGroupId = this._parseGroupId(this.state.groupId);
+        const profile = {};
+        if (this.state.groupName !== '') {
+            profile.name = this.state.groupName;
+        }
+        this.setState({creating: true});
+        MatrixClientPeg.get().createGroup({
+            localpart: parsedGroupId[0],
+            profile: profile,
+        }).then((result) => {
+            dis.dispatch({
+                action: 'view_group',
+                group_id: result.group_id,
+            });
+            this.props.onFinished(true);
+        }).catch((e) => {
+            this.setState({createError: e});
+        }).finally(() => {
+            this.setState({creating: false});
+        }).done();
+    },
+
+    _onCancel: function() {
+        this.props.onFinished(false);
+    },
+
+    /**
+     * Parse a string that may be a group ID
+     * If the string is a valid group ID, return a list of [localpart, domain],
+     * otherwise return null.
+     */
+    _parseGroupId: function(groupId) {
+        const matches = GROUP_REGEX.exec(this.state.groupId);
+        if (!matches || matches.length < 3) {
+            return null;
+        }
+        return [matches[1], matches[2]];
+    },
+
+    render: function() {
+        const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
+        const Loader = sdk.getComponent("elements.Spinner");
+
+        if (this.state.creating) {
+            return <Loader />;
+        }
+
+        let createErrorNode;
+        if (this.state.createError) {
+            // XXX: We should catch errcodes and give sensible i18ned messages for them,
+            // rather than displaying what the server gives us, but synapse doesn't give
+            // any yet.
+            createErrorNode = <div className="error">
+                <div>{_t('Room creation failed')}</div>
+                <div>{this.state.createError.message}</div>
+            </div>;
+        }
+
+        return (
+            <BaseDialog className="mx_CreateGroupDialog" onFinished={this.props.onFinished}
+                onEnterPressed={this._onFormSubmit}
+                title={_t('Create Group')}
+            >
+                <form onSubmit={this._onFormSubmit}>
+                    <div className="mx_Dialog_content">
+                        <div className="mx_CreateGroupDialog_label">
+                            <label htmlFor="groupname">{_t('Group Name')}</label>
+                        </div>
+                        <div>
+                            <input id="groupname" className="mx_CreateGroupDialog_input"
+                                autoFocus={true} size="64"
+                                placeholder={_t('Example')}
+                                onChange={this._onGroupNameChange}
+                                value={this.state.groupName}
+                            />
+                        </div>
+                        <br />
+                        <div className="mx_CreateGroupDialog_label">
+                            <label htmlFor="groupid">{_t('Group ID')}</label>
+                        </div>
+                        <div>
+                            <input id="groupid" className="mx_CreateGroupDialog_input"
+                                size="64"
+                                placeholder={_t('+example:%(domain)s', {domain: MatrixClientPeg.get().getDomain()})}
+                                onChange={this._onGroupIdChange}
+                                onBlur={this._onGroupIdBlur}
+                                value={this.state.groupId}
+                            />
+                        </div>
+                        <div className="error">
+                            {this.state.groupIdError}
+                        </div>
+                        {createErrorNode}
+                    </div>
+                    <div className="mx_Dialog_buttons">
+                        <button onClick={this._onCancel}>
+                            { _t("Cancel") }
+                        </button>
+                        <input type="submit" value={_t('Create')} className="mx_Dialog_primary" />
+                    </div>
+                </form>
+            </BaseDialog>
+        );
+    },
+});