enigma-bbs/core/show_art.js

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/* jslint node: true */
'use strict';
// ENiGMA½
const MenuModule = require('./menu_module.js').MenuModule;
const Errors = require('../core/enig_error.js').Errors;
const Config = require('./config.js').get;
const { getMessageAreaByTag } = require('./message_area.js');
// deps
const async = require('async');
const _ = require('lodash');
exports.moduleInfo = {
name: 'Show Art',
desc: 'Module for more advanced methods of displaying art',
author: 'NuSkooler',
};
exports.getModule = class ShowArtModule extends MenuModule {
constructor(options) {
super(options);
this.config = Object.assign({}, _.get(options, 'menuConfig.config'), {
extraArgs: options.extraArgs,
});
this.config.method = this.config.method || 'random';
this.config.optional = _.get(this.config, 'optional', true);
}
initSequence() {
const self = this;
async.series(
[
function before(callback) {
return self.beforeArt(callback);
},
function showArt(callback) {
//
// How we show art depends on our configuration
//
let handler =
{
extraArgs: self.showByExtraArgs,
sequence: self.showBySequence,
random: self.showByRandom,
fileBaseArea: self.showByFileBaseArea,
messageConf: self.showByMessageConf,
messageArea: self.showByMessageArea,
}[self.config.method] || self.showRandomArt;
handler = handler.bind(self);
return handler(callback);
},
],
err => {
if (err && !self.config.optional) {
self.client.log.warn('Error during init sequence', {
error: err.message,
});
return self.prevMenu(() => {
/* dummy */
});
}
self.finishedLoading();
return self.autoNextMenu(() => {
/* dummy */
});
}
);
}
showByExtraArgs(cb) {
const artData = _.get(this.config, 'extraArgs.artData');
if (Buffer.isBuffer(artData)) {
const options = {
pause: this.shouldPause(),
desc: 'extraArgs',
};
return this.displaySingleArtWithOptions(artData, options, cb);
}
this.getArtKeyValue(this.config.key, (err, artSpec) => {
if (err) {
return cb(err);
}
const options = {
pause: this.shouldPause(),
desc: 'extraArgs',
};
return this.displaySingleArtWithOptions(artSpec, options, cb);
});
}
showBySequence(cb) {
return cb(null);
}
showByRandom(cb) {
return cb(null);
}
showByFileBaseArea(cb) {
this.getArtKeyValue('areaTag', (err, key) => {
if (err) {
return cb(err);
}
return this.displaySingleArtByConfigPath(
['fileBase', 'areas', key, 'art'],
cb
);
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});
}
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showByMessageConf(cb) {
this.getArtKeyValue('confTag', (err, key) => {
if (err) {
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return cb(err);
}
return this.displaySingleArtByConfigPath(
['messageConferences', key, 'art'],
cb
);
});
}
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showByMessageArea(cb) {
this.getArtKeyValue('areaTag', (err, key) => {
if (err) {
return cb(err);
}
const area = getMessageAreaByTag(key);
if (!area) {
return cb(Errors.DoesNotExist(`No area by areaTag ${key} found`));
}
return cb(null); // :TODO: REMOVE ME --- currently NYI
});
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}
displaySingleArtByConfigPath(configPath, cb) {
const desc = configPath.join('.');
const artSpec = _.get(Config(), configPath);
if (!artSpec) {
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return cb(Errors.MissingConfig(`No art defined at path ${desc}`));
}
const options = {
desc,
pause: this.shouldPause(),
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};
return this.displaySingleArtWithOptions(artSpec, options, cb);
}
getArtKeyValue(defaultKey, cb) {
const key = this.config.key || defaultKey;
if (!_.isString(key)) {
return cb(
Errors.MissingConfig(
'Config option "key" is required for method "extraArgs"'
)
);
}
const path = key.split('.');
const artKey = _.get(this.config, ['extraArgs'].concat(path));
if (!_.isString(artKey)) {
return cb(Errors.MissingParam(`Invalid or missing "extraArgs.${key}" value`));
}
return cb(null, artKey);
}
displaySingleArtWithOptions(artSpec, options, cb) {
const self = this;
async.waterfall(
[
function art(callback) {
// :TODO: we really need a way to supply an explicit path to look in, e.g. general/area_art/
self.displayAsset(artSpec, self.menuConfig.config, (err, artData) => {
if (err) {
return callback(err);
}
const mciData = { menu: artData.mciMap };
if (
self.client.term.termHeight > 0 &&
artData.height > self.client.term.termHeight
) {
// We must have scrolled, adjust the positioning for pause
artData.height = self.client.term.termHeight;
}
const pausePosition = { row: artData.height + 1, col: 1 };
return callback(null, mciData, pausePosition);
});
},
function afterArtDisplayed(mciData, pausePosition, callback) {
self.mciReady(mciData, err => {
return callback(err, pausePosition);
});
},
function displayPauseIfRequested(pausePosition, callback) {
if (!options.pause) {
return callback(null);
}
return self.pausePrompt(pausePosition, callback);
},
],
err => {
if (err) {
self.client.log.warn(
{ artSpec, error: err.message },
`Failed to display "${options.desc}" art`
);
}
return cb(err);
}
);
}
};