enigma-bbs/core/msg_list.js

419 lines
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JavaScript
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/* jslint node: true */
'use strict';
// ENiGMA½
const MenuModule = require('./menu_module.js').MenuModule;
const ViewController = require('./view_controller.js').ViewController;
const messageArea = require('./message_area.js');
const MessageAreaConfTempSwitcher = require('./mod_mixins.js').MessageAreaConfTempSwitcher;
const Errors = require('./enig_error.js').Errors;
const Message = require('./message.js');
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const UserProps = require('./user_property.js');
// deps
const async = require('async');
const _ = require('lodash');
const moment = require('moment');
/*
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Available itemFormat/focusItemFormat members for |msgList|
msgNum : Message number
to : To username/handle
from : From username/handle
subj : Subject
ts : Message mod timestamp (format with config.dateTimeFormat)
newIndicator : New mark/indicator (config.newIndicator)
*/
exports.moduleInfo = {
name : 'Message List',
desc : 'Module for listing/browsing available messages',
author : 'NuSkooler',
};
const FormIds = {
allViews : 0,
delPrompt : 1,
};
const MciViewIds = {
allViews : {
msgList : 1, // VM1 - see above
delPromptXy : 2, // %XY2, e.g: delete confirmation
customRangeStart : 10, // Everything |msgList| has plus { msgNumSelected, msgNumTotal }
},
delPrompt: {
prompt : 1,
}
};
exports.getModule = class MessageListModule extends MessageAreaConfTempSwitcher(MenuModule) {
constructor(options) {
super(options);
// :TODO: consider this pattern in base MenuModule - clean up code all over
this.config = Object.assign({}, _.get(options, 'menuConfig.config'), options.extraArgs);
this.lastMessageReachedExit = _.get(options, 'lastMenuResult.lastMessageReached', false);
this.menuMethods = {
selectMessage : (formData, extraArgs, cb) => {
if(MciViewIds.allViews.msgList === formData.submitId) {
this.initialFocusIndex = formData.value.message;
const modOpts = {
extraArgs : {
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messageAreaTag : this.getSelectedAreaTag(formData.value.message),
messageList : this.config.messageList,
messageIndex : formData.value.message,
lastMessageNextExit : true,
}
};
if(_.isBoolean(this.config.noUpdateLastReadId)) {
modOpts.extraArgs.noUpdateLastReadId = this.config.noUpdateLastReadId;
}
//
// Provide a serializer so we don't dump *huge* bits of information to the log
// due to the size of |messageList|. See https://github.com/trentm/node-bunyan/issues/189
//
const self = this;
modOpts.extraArgs.toJSON = function() {
const logMsgList = (self.config.messageList.length <= 4) ?
self.config.messageList :
self.config.messageList.slice(0, 2).concat(self.config.messageList.slice(-2));
return {
// note |this| is scope of toJSON()!
messageAreaTag : this.messageAreaTag,
apprevMessageList : logMsgList,
messageCount : this.messageList.length,
messageIndex : this.messageIndex,
};
};
return this.gotoMenu(this.config.menuViewPost || 'messageAreaViewPost', modOpts, cb);
} else {
return cb(null);
}
},
fullExit : (formData, extraArgs, cb) => {
this.menuResult = { fullExit : true };
return this.prevMenu(cb);
},
deleteSelected : (formData, extraArgs, cb) => {
if(MciViewIds.allViews.msgList != formData.submitId) {
return cb(null);
}
const messageIndex = _.get(formData, 'value.message');
return this.promptDeleteMessageConfirm(messageIndex, cb);
},
deleteMessageYes : (formData, extraArgs, cb) => {
const msgListView = this.viewControllers.allViews.getView(MciViewIds.allViews.msgList);
this.enableMessageListIndexUpdates(msgListView);
if(this.selectedMessageForDelete) {
this.selectedMessageForDelete.deleteMessage(this.client.user, err => {
if(err) {
this.client.log.error(`Failed to delete message: ${this.selectedMessageForDelete.messageUuid}`);
} else {
this.client.log.info(`User deleted message: ${this.selectedMessageForDelete.messageUuid}`);
this.config.messageList.splice(msgListView.focusedItemIndex, 1);
this.updateMessageNumbersAfterDelete(msgListView.focusedItemIndex);
msgListView.setItems(this.config.messageList);
}
this.selectedMessageForDelete = null;
msgListView.redraw();
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this.populateCustomLabelsForSelected(msgListView.focusedItemIndex);
return cb(null);
});
} else {
return cb(null);
}
},
deleteMessageNo : (formData, extraArgs, cb) => {
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const msgListView = this.viewControllers.allViews.getView(MciViewIds.allViews.msgList);
this.enableMessageListIndexUpdates(msgListView);
return cb(null);
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},
markAllRead : (formData, extraArgs, cb) => {
if(this.config.noUpdateLastReadId) {
return cb(null);
}
return this.markAllMessagesAsRead(cb);
}
};
}
getSelectedAreaTag(listIndex) {
return this.config.messageList[listIndex].areaTag || this.config.messageAreaTag;
}
enter() {
if(this.lastMessageReachedExit) {
return this.prevMenu();
}
super.enter();
//
// Config can specify |messageAreaTag| else it comes from
// the user's current area. If |messageList| is supplied,
// each item is expected to contain |areaTag|, so we use that
// instead in those cases.
//
if(!Array.isArray(this.config.messageList)) {
if(this.config.messageAreaTag) {
this.tempMessageConfAndAreaSwitch(this.config.messageAreaTag);
} else {
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this.config.messageAreaTag = this.client.user.properties[UserProps.MessageAreaTag];
}
}
}
leave() {
this.tempMessageConfAndAreaRestore();
super.leave();
}
populateCustomLabelsForSelected(selectedIndex) {
const formatObj = Object.assign(
{
msgNumSelected : (selectedIndex + 1),
msgNumTotal : this.config.messageList.length,
},
this.config.messageList[selectedIndex] // plus, all the selected message props
);
return this.updateCustomViewTextsWithFilter('allViews', MciViewIds.allViews.customRangeStart, formatObj);
}
mciReady(mciData, cb) {
super.mciReady(mciData, err => {
if(err) {
return cb(err);
}
const self = this;
const vc = self.viewControllers.allViews = new ViewController( { client : self.client } );
let configProvidedMessageList = false;
async.series(
[
function loadFromConfig(callback) {
const loadOpts = {
callingMenu : self,
mciMap : mciData.menu
};
return vc.loadFromMenuConfig(loadOpts, callback);
},
function fetchMessagesInArea(callback) {
//
// Config can supply messages else we'll need to populate the list now
//
if(_.isArray(self.config.messageList)) {
configProvidedMessageList = true;
return callback(0 === self.config.messageList.length ? new Error('No messages in area') : null);
}
messageArea.getMessageListForArea(self.client, self.config.messageAreaTag, function msgs(err, msgList) {
if(!msgList || 0 === msgList.length) {
return callback(new Error('No messages in area'));
}
self.config.messageList = msgList;
return callback(err);
});
},
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function getLastReadMessageId(callback) {
// messageList entries can contain |isNew| if they want to be considered new
if(configProvidedMessageList) {
self.lastReadId = 0;
return callback(null);
}
messageArea.getMessageAreaLastReadId(self.client.user.userId, self.config.messageAreaTag, function lastRead(err, lastReadId) {
self.lastReadId = lastReadId || 0;
return callback(null); // ignore any errors, e.g. missing value
});
},
function updateMessageListObjects(callback) {
const dateTimeFormat = self.menuConfig.config.dateTimeFormat || self.client.currentTheme.helpers.getDateTimeFormat();
const newIndicator = self.menuConfig.config.newIndicator || '*';
const regIndicator = ' '.repeat(newIndicator.length); // fill with space to avoid draw issues
let msgNum = 1;
self.config.messageList.forEach( (listItem, index) => {
listItem.msgNum = msgNum++;
listItem.ts = moment(listItem.modTimestamp).format(dateTimeFormat);
const isNew = _.isBoolean(listItem.isNew) ? listItem.isNew : listItem.messageId > self.lastReadId;
listItem.newIndicator = isNew ? newIndicator : regIndicator;
if(_.isUndefined(self.initialFocusIndex) && listItem.messageId > self.lastReadId) {
self.initialFocusIndex = index;
}
listItem.text = `${listItem.msgNum} - ${listItem.subject} from ${listItem.fromUserName}`; // default text
});
return callback(null);
},
function populateAndDrawViews(callback) {
const msgListView = vc.getView(MciViewIds.allViews.msgList);
msgListView.setItems(self.config.messageList);
self.enableMessageListIndexUpdates(msgListView);
if(self.initialFocusIndex > 0) {
// note: causes redraw()
msgListView.setFocusItemIndex(self.initialFocusIndex);
} else {
msgListView.redraw();
}
self.populateCustomLabelsForSelected(self.initialFocusIndex || 0);
return callback(null);
},
],
err => {
if(err) {
self.client.log.error( { error : err.message }, 'Error loading message list');
}
return cb(err);
}
);
});
}
getSaveState() {
return { initialFocusIndex : this.initialFocusIndex };
}
restoreSavedState(savedState) {
if(savedState) {
this.initialFocusIndex = savedState.initialFocusIndex;
}
}
getMenuResult() {
return this.menuResult;
}
enableMessageListIndexUpdates(msgListView) {
msgListView.on('index update', idx => this.populateCustomLabelsForSelected(idx) );
}
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markAllMessagesAsRead(cb) {
if(!this.config.messageList || this.config.messageList.length === 0) {
return cb(null); // nothing to do.
}
//
// Generally we'll have a message list for a specific area,
// but this is not always the case. For a given area, we need
// to find the highest message ID in the list to set a
// last read pointer.
//
const areaHighestIds = {};
this.config.messageList.forEach(msg => {
const highestId = areaHighestIds[msg.areaTag];
if(highestId) {
if(msg.messageId > highestId) {
areaHighestIds[msg.areaTag] = msg.messageId;
}
} else {
areaHighestIds[msg.areaTag] = msg.messageId;
}
});
const regIndicator = ' '.repeat( (this.menuConfig.config.newIndicator || '*').length );
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async.forEachOf(areaHighestIds, (highestId, areaTag, nextArea) => {
messageArea.updateMessageAreaLastReadId(
this.client.user.userId,
areaTag,
highestId,
err => {
if(err) {
this.client.log.warn( { error : err.message }, 'Failed marking area as read');
} else {
// update newIndicator on messages
this.config.messageList.forEach(msg => {
if(areaTag === msg.areaTag) {
msg.newIndicator = regIndicator;
}
});
const msgListView = this.viewControllers.allViews.getView(MciViewIds.allViews.msgList);
msgListView.setItems(this.config.messageList);
msgListView.redraw();
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this.client.log.info( { highestId, areaTag }, 'User marked area as read');
}
return nextArea(null); // always continue
}
);
}, () => {
return cb(null);
});
}
updateMessageNumbersAfterDelete(startIndex) {
// all index -= 1 from this point on.
for(let i = startIndex; i < this.config.messageList.length; ++i) {
const msgItem = this.config.messageList[i];
msgItem.msgNum -= 1;
msgItem.text = `${msgItem.msgNum} - ${msgItem.subject} from ${msgItem.fromUserName}`; // default text
}
}
promptDeleteMessageConfirm(messageIndex, cb) {
const messageInfo = this.config.messageList[messageIndex];
if(!_.isObject(messageInfo)) {
return cb(Errors.Invalid(`Invalid message index: ${messageIndex}`));
}
// :TODO: create static userHasDeleteRights() that takes id || uuid that doesn't require full msg load
this.selectedMessageForDelete = new Message();
this.selectedMessageForDelete.load( { uuid : messageInfo.messageUuid }, err => {
if(err) {
this.selectedMessageForDelete = null;
return cb(err);
}
if(!this.selectedMessageForDelete.userHasDeleteRights(this.client.user)) {
this.selectedMessageForDelete = null;
return cb(Errors.AccessDenied('User does not have rights to delete this message'));
}
// user has rights to delete -- prompt/confirm then proceed
return this.promptConfirmDelete(cb);
});
}
promptConfirmDelete(cb) {
const promptXyView = this.viewControllers.allViews.getView(MciViewIds.allViews.delPromptXy);
if(!promptXyView) {
return cb(Errors.MissingMci(`Missing prompt XY${MciViewIds.allViews.delPromptXy} MCI`));
}
const promptOpts = {
clearAtSubmit : true,
};
if(promptXyView.dimens.width) {
promptOpts.clearWidth = promptXyView.dimens.width;
}
return this.promptForInput(
{
formName : 'delPrompt',
formId : FormIds.delPrompt,
promptName : this.config.deleteMessageFromListPrompt || 'deleteMessageFromListPrompt',
prevFormName : 'allViews',
position : promptXyView.position,
},
promptOpts,
err => {
return cb(err);
}
);
}
};