651 lines
18 KiB
JavaScript
651 lines
18 KiB
JavaScript
/* jslint node: true */
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'use strict';
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const msgDb = require('./database.js').dbs.message;
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const wordWrapText = require('./word_wrap.js').wordWrapText;
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const ftnUtil = require('./ftn_util.js');
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const createNamedUUID = require('./uuid_util.js').createNamedUUID;
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const getISOTimestampString = require('./database.js').getISOTimestampString;
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const Errors = require('./enig_error.js').Errors;
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const ANSI = require('./ansi_term.js');
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const {
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isAnsi, isFormattedLine,
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splitTextAtTerms,
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renderSubstr
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} = require('./string_util.js');
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const ansiPrep = require('./ansi_prep.js');
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// deps
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const uuidParse = require('uuid-parse');
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const async = require('async');
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const _ = require('lodash');
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const assert = require('assert');
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const moment = require('moment');
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const iconvEncode = require('iconv-lite').encode;
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module.exports = Message;
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const ENIGMA_MESSAGE_UUID_NAMESPACE = uuidParse.parse('154506df-1df8-46b9-98f8-ebb5815baaf8');
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function Message(options) {
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options = options || {};
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this.messageId = options.messageId || 0; // always generated @ persist
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this.areaTag = options.areaTag || Message.WellKnownAreaTags.Invalid;
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if(options.uuid) {
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// note: new messages have UUID generated @ time of persist. See also Message.createMessageUUID()
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this.uuid = options.uuid;
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}
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this.replyToMsgId = options.replyToMsgId || 0;
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this.toUserName = options.toUserName || '';
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this.fromUserName = options.fromUserName || '';
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this.subject = options.subject || '';
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this.message = options.message || '';
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if(_.isDate(options.modTimestamp) || moment.isMoment(options.modTimestamp)) {
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this.modTimestamp = moment(options.modTimestamp);
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} else if(_.isString(options.modTimestamp)) {
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this.modTimestamp = moment(options.modTimestamp);
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}
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this.viewCount = options.viewCount || 0;
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this.meta = {
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System : {}, // we'll always have this one
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};
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if(_.isObject(options.meta)) {
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_.defaultsDeep(this.meta, options.meta);
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}
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if(options.meta) {
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this.meta = options.meta;
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}
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this.hashTags = options.hashTags || [];
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this.isValid = function() {
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// :TODO: validate as much as possible
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return true;
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};
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this.isPrivate = function() {
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return Message.isPrivateAreaTag(this.areaTag);
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};
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this.isFromRemoteUser = function() {
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return null !== _.get(this, 'meta.System.remote_from_user', null);
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};
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}
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Message.WellKnownAreaTags = {
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Invalid : '',
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Private : 'private_mail',
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Bulletin : 'local_bulletin',
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};
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Message.isPrivateAreaTag = function(areaTag) {
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return areaTag.toLowerCase() === Message.WellKnownAreaTags.Private;
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};
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Message.SystemMetaNames = {
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LocalToUserID : 'local_to_user_id',
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LocalFromUserID : 'local_from_user_id',
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StateFlags0 : 'state_flags0', // See Message.StateFlags0
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ExplicitEncoding : 'explicit_encoding', // Explicitly set encoding when exporting/etc.
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ExternalFlavor : 'external_flavor', // "Flavor" of message - imported from or to be exported to. See Message.ExternalFlavors
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RemoteToUser : 'remote_to_user', // Opaque value depends on external system, e.g. FTN address
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RemoteFromUser : 'remote_from_user', // Opaque value depends on external system, e.g. FTN address
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};
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// Types for Message.SystemMetaNames.ExternalFlavor meta
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Message.ExternalFlavors = {
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FTN : 'ftn', // FTN style
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};
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Message.StateFlags0 = {
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None : 0x00000000,
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Imported : 0x00000001, // imported from foreign system
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Exported : 0x00000002, // exported to foreign system
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};
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Message.FtnPropertyNames = {
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FtnOrigNode : 'ftn_orig_node',
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FtnDestNode : 'ftn_dest_node',
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FtnOrigNetwork : 'ftn_orig_network',
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FtnDestNetwork : 'ftn_dest_network',
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FtnAttrFlags : 'ftn_attr_flags',
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FtnCost : 'ftn_cost',
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FtnOrigZone : 'ftn_orig_zone',
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FtnDestZone : 'ftn_dest_zone',
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FtnOrigPoint : 'ftn_orig_point',
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FtnDestPoint : 'ftn_dest_point',
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FtnAttribute : 'ftn_attribute',
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FtnTearLine : 'ftn_tear_line', // http://ftsc.org/docs/fts-0004.001
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FtnOrigin : 'ftn_origin', // http://ftsc.org/docs/fts-0004.001
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FtnArea : 'ftn_area', // http://ftsc.org/docs/fts-0004.001
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FtnSeenBy : 'ftn_seen_by', // http://ftsc.org/docs/fts-0004.001
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};
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// Note: kludges are stored with their names as-is
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Message.prototype.setLocalToUserId = function(userId) {
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this.meta.System = this.meta.System || {};
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this.meta.System[Message.SystemMetaNames.LocalToUserID] = userId;
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};
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Message.prototype.setLocalFromUserId = function(userId) {
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this.meta.System = this.meta.System || {};
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this.meta.System[Message.SystemMetaNames.LocalFromUserID] = userId;
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};
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Message.prototype.setRemoteToUser = function(remoteTo) {
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this.meta.System = this.meta.System || {};
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this.meta.System[Message.SystemMetaNames.RemoteToUser] = remoteTo;
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};
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Message.prototype.setExternalFlavor = function(flavor) {
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this.meta.System = this.meta.System || {};
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this.meta.System[Message.SystemMetaNames.ExternalFlavor] = flavor;
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};
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Message.createMessageUUID = function(areaTag, modTimestamp, subject, body) {
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assert(_.isString(areaTag));
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assert(_.isDate(modTimestamp) || moment.isMoment(modTimestamp));
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assert(_.isString(subject));
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assert(_.isString(body));
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if(!moment.isMoment(modTimestamp)) {
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modTimestamp = moment(modTimestamp);
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}
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areaTag = iconvEncode(areaTag.toUpperCase(), 'CP437');
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modTimestamp = iconvEncode(modTimestamp.format('DD MMM YY HH:mm:ss'), 'CP437');
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subject = iconvEncode(subject.toUpperCase().trim(), 'CP437');
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body = iconvEncode(body.replace(/\r\n|[\n\v\f\r\x85\u2028\u2029]/g, '').trim(), 'CP437');
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return uuidParse.unparse(createNamedUUID(ENIGMA_MESSAGE_UUID_NAMESPACE, Buffer.concat( [ areaTag, modTimestamp, subject, body ] )));
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};
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Message.getMessageIdByUuid = function(uuid, cb) {
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msgDb.get(
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`SELECT message_id
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FROM message
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WHERE message_uuid = ?
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LIMIT 1;`,
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[ uuid ],
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(err, row) => {
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if(err) {
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cb(err);
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} else {
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const success = (row && row.message_id);
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cb(success ? null : new Error('No match'), success ? row.message_id : null);
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}
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}
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);
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};
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Message.getMessageIdsByMetaValue = function(category, name, value, cb) {
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msgDb.all(
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`SELECT message_id
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FROM message_meta
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WHERE meta_category = ? AND meta_name = ? AND meta_value = ?;`,
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[ category, name, value ],
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(err, rows) => {
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if(err) {
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cb(err);
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} else {
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cb(null, rows.map(r => parseInt(r.message_id))); // return array of ID(s)
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}
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}
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);
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};
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Message.getMetaValuesByMessageId = function(messageId, category, name, cb) {
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const sql =
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`SELECT meta_value
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FROM message_meta
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WHERE message_id = ? AND meta_category = ? AND meta_name = ?;`;
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msgDb.all(sql, [ messageId, category, name ], (err, rows) => {
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if(err) {
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return cb(err);
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}
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if(0 === rows.length) {
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return cb(new Error('No value for category/name'));
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}
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// single values are returned without an array
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if(1 === rows.length) {
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return cb(null, rows[0].meta_value);
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}
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cb(null, rows.map(r => r.meta_value)); // map to array of values only
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});
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};
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Message.getMetaValuesByMessageUuid = function(uuid, category, name, cb) {
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async.waterfall(
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[
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function getMessageId(callback) {
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Message.getMessageIdByUuid(uuid, (err, messageId) => {
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callback(err, messageId);
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});
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},
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function getMetaValues(messageId, callback) {
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Message.getMetaValuesByMessageId(messageId, category, name, (err, values) => {
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callback(err, values);
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});
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}
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],
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(err, values) => {
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cb(err, values);
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}
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);
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};
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Message.prototype.loadMeta = function(cb) {
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/*
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Example of loaded this.meta:
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meta: {
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System: {
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local_to_user_id: 1234,
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},
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FtnProperty: {
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ftn_seen_by: [ "1/102 103", "2/42 52 65" ]
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}
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}
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*/
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const sql =
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`SELECT meta_category, meta_name, meta_value
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FROM message_meta
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WHERE message_id = ?;`;
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let self = this;
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msgDb.each(sql, [ this.messageId ], (err, row) => {
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if(!(row.meta_category in self.meta)) {
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self.meta[row.meta_category] = { };
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self.meta[row.meta_category][row.meta_name] = row.meta_value;
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} else {
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if(!(row.meta_name in self.meta[row.meta_category])) {
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self.meta[row.meta_category][row.meta_name] = row.meta_value;
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} else {
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if(_.isString(self.meta[row.meta_category][row.meta_name])) {
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self.meta[row.meta_category][row.meta_name] = [ self.meta[row.meta_category][row.meta_name] ];
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}
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self.meta[row.meta_category][row.meta_name].push(row.meta_value);
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}
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}
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}, err => {
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cb(err);
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});
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};
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Message.prototype.load = function(options, cb) {
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assert(_.isString(options.uuid));
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var self = this;
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async.series(
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[
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function loadMessage(callback) {
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msgDb.get(
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'SELECT message_id, area_tag, message_uuid, reply_to_message_id, to_user_name, from_user_name, subject, ' +
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'message, modified_timestamp, view_count ' +
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'FROM message ' +
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'WHERE message_uuid=? ' +
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'LIMIT 1;',
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[ options.uuid ],
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(err, msgRow) => {
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if(err) {
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return callback(err);
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}
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if(!msgRow) {
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return callback(new Error('Message (no longer) available'));
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}
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self.messageId = msgRow.message_id;
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self.areaTag = msgRow.area_tag;
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self.messageUuid = msgRow.message_uuid;
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self.replyToMsgId = msgRow.reply_to_message_id;
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self.toUserName = msgRow.to_user_name;
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self.fromUserName = msgRow.from_user_name;
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self.subject = msgRow.subject;
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self.message = msgRow.message;
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self.modTimestamp = moment(msgRow.modified_timestamp);
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self.viewCount = msgRow.view_count;
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callback(err);
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}
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);
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},
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function loadMessageMeta(callback) {
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self.loadMeta(err => {
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callback(err);
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});
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},
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function loadHashTags(callback) {
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// :TODO:
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callback(null);
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}
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],
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function complete(err) {
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cb(err);
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}
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);
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};
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Message.prototype.persistMetaValue = function(category, name, value, transOrDb, cb) {
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if(!_.isFunction(cb) && _.isFunction(transOrDb)) {
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cb = transOrDb;
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transOrDb = msgDb;
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}
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const metaStmt = transOrDb.prepare(
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`INSERT INTO message_meta (message_id, meta_category, meta_name, meta_value)
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VALUES (?, ?, ?, ?);`);
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if(!_.isArray(value)) {
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value = [ value ];
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}
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let self = this;
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async.each(value, (v, next) => {
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metaStmt.run(self.messageId, category, name, v, err => {
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next(err);
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});
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}, err => {
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cb(err);
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});
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};
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Message.prototype.persist = function(cb) {
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if(!this.isValid()) {
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return cb(new Error('Cannot persist invalid message!'));
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}
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const self = this;
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async.waterfall(
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[
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function beginTransaction(callback) {
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return msgDb.beginTransaction(callback);
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},
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function storeMessage(trans, callback) {
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// generate a UUID for this message if required (general case)
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const msgTimestamp = moment();
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if(!self.uuid) {
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self.uuid = Message.createMessageUUID(
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self.areaTag,
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msgTimestamp,
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self.subject,
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self.message);
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}
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trans.run(
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`INSERT INTO message (area_tag, message_uuid, reply_to_message_id, to_user_name, from_user_name, subject, message, modified_timestamp)
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VALUES (?, ?, ?, ?, ?, ?, ?, ?);`,
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[ self.areaTag, self.uuid, self.replyToMsgId, self.toUserName, self.fromUserName, self.subject, self.message, getISOTimestampString(msgTimestamp) ],
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function inserted(err) { // use non-arrow function for 'this' scope
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if(!err) {
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self.messageId = this.lastID;
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}
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return callback(err, trans);
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}
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);
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},
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function storeMeta(trans, callback) {
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if(!self.meta) {
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return callback(null, trans);
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}
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/*
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Example of self.meta:
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meta: {
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System: {
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local_to_user_id: 1234,
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},
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FtnProperty: {
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ftn_seen_by: [ "1/102 103", "2/42 52 65" ]
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}
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}
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*/
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async.each(Object.keys(self.meta), (category, nextCat) => {
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async.each(Object.keys(self.meta[category]), (name, nextName) => {
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self.persistMetaValue(category, name, self.meta[category][name], trans, err => {
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nextName(err);
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});
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}, err => {
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nextCat(err);
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});
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}, err => {
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callback(err, trans);
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});
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},
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function storeHashTags(trans, callback) {
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// :TODO: hash tag support
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return callback(null, trans);
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}
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],
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(err, trans) => {
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if(trans) {
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trans[err ? 'rollback' : 'commit'](transErr => {
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return cb(err ? err : transErr, self.messageId);
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});
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} else {
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return cb(err);
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}
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}
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);
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};
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Message.prototype.getFTNQuotePrefix = function(source) {
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source = source || 'fromUserName';
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return ftnUtil.getQuotePrefix(this[source]);
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};
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Message.prototype.getTearLinePosition = function(input) {
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const m = input.match(/^--- .+$(?![\s\S]*^--- .+$)/m);
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return m ? m.index : -1;
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};
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Message.prototype.getQuoteLines = function(options, cb) {
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if(!options.termWidth || !options.termHeight || !options.cols) {
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return cb(Errors.MissingParam());
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}
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options.startCol = options.startCol || 1;
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options.includePrefix = _.get(options, 'includePrefix', true);
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options.ansiResetSgr = options.ansiResetSgr || ANSI.getSGRFromGraphicRendition( { fg : 39, bg : 49 }, true);
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options.ansiFocusPrefixSgr = options.ansiFocusPrefixSgr || ANSI.getSGRFromGraphicRendition( { intensity : 'bold', fg : 39, bg : 49 } );
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options.isAnsi = options.isAnsi || isAnsi(this.message); // :TODO: If this.isAnsi, use that setting
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/*
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Some long text that needs to be wrapped and quoted should look right after
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doing so, don't ya think? yeah I think so
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Nu> Some long text that needs to be wrapped and quoted should look right
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Nu> after doing so, don't ya think? yeah I think so
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Ot> Nu> Some long text that needs to be wrapped and quoted should look
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Ot> Nu> right after doing so, don't ya think? yeah I think so
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*/
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const quotePrefix = options.includePrefix ? this.getFTNQuotePrefix(options.prefixSource || 'fromUserName') : '';
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function getWrapped(text, extraPrefix) {
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extraPrefix = extraPrefix ? ` ${extraPrefix}` : '';
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const wrapOpts = {
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width : options.cols - (quotePrefix.length + extraPrefix.length),
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tabHandling : 'expand',
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tabWidth : 4,
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};
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return wordWrapText(text, wrapOpts).wrapped.map( (w, i) => {
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return i === 0 ? `${quotePrefix}${w}` : `${quotePrefix}${extraPrefix}${w}`;
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});
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}
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function getFormattedLine(line) {
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// for pre-formatted text, we just append a line truncated to fit
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let newLen;
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const total = line.length + quotePrefix.length;
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if(total > options.cols) {
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newLen = options.cols - total;
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} else {
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newLen = total;
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}
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return `${quotePrefix}${line.slice(0, newLen)}`;
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}
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if(options.isAnsi) {
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ansiPrep(
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this.message.replace(/\r?\n/g, '\r\n'), // normalized LF -> CRLF
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{
|
|
termWidth : options.termWidth,
|
|
termHeight : options.termHeight,
|
|
cols : options.cols,
|
|
rows : 'auto',
|
|
startCol : options.startCol,
|
|
forceLineTerm : true,
|
|
},
|
|
(err, prepped) => {
|
|
prepped = prepped || this.message;
|
|
|
|
let lastSgr = '';
|
|
const split = splitTextAtTerms(prepped);
|
|
|
|
const quoteLines = [];
|
|
const focusQuoteLines = [];
|
|
|
|
//
|
|
// Do not include quote prefixes (e.g. XX> ) on ANSI replies (and therefor quote builder)
|
|
// as while this works in ENiGMA, other boards such as Mystic, WWIV, etc. will try to
|
|
// strip colors, colorize the lines, etc. If we exclude the prefixes, this seems to do
|
|
// the trick and allow them to leave them alone!
|
|
//
|
|
split.forEach(l => {
|
|
quoteLines.push(`${lastSgr}${l}`);
|
|
|
|
focusQuoteLines.push(`${options.ansiFocusPrefixSgr}>${lastSgr}${renderSubstr(l, 1, l.length - 1)}`);
|
|
lastSgr = (l.match(/(?:\x1b\x5b)[\?=;0-9]*m(?!.*(?:\x1b\x5b)[\?=;0-9]*m)/) || [])[0] || ''; // eslint-disable-line no-control-regex
|
|
});
|
|
|
|
quoteLines[quoteLines.length - 1] += options.ansiResetSgr;
|
|
|
|
return cb(null, quoteLines, focusQuoteLines, true);
|
|
}
|
|
);
|
|
} else {
|
|
const QUOTE_RE = /^ ((?:[A-Za-z0-9]{2}\> )+(?:[A-Za-z0-9]{2}\>)*) */;
|
|
const quoted = [];
|
|
const input = _.trimEnd(this.message).replace(/\b/g, '');
|
|
|
|
// find *last* tearline
|
|
let tearLinePos = this.getTearLinePosition(input);
|
|
tearLinePos = -1 === tearLinePos ? input.length : tearLinePos; // we just want the index or the entire string
|
|
|
|
input.slice(0, tearLinePos).split(/\r\n\r\n|\n\n/).forEach(paragraph => {
|
|
//
|
|
// For each paragraph, a state machine:
|
|
// - New line - line
|
|
// - New (pre)quoted line - quote_line
|
|
// - Continuation of new/quoted line
|
|
//
|
|
// Also:
|
|
// - Detect pre-formatted lines & try to keep them as-is
|
|
//
|
|
let state;
|
|
let buf = '';
|
|
let quoteMatch;
|
|
|
|
if(quoted.length > 0) {
|
|
//
|
|
// Preserve paragraph seperation.
|
|
//
|
|
// FSC-0032 states something about leaving blank lines fully blank
|
|
// (without a prefix) but it seems nicer (and more consistent with other systems)
|
|
// to put 'em in.
|
|
//
|
|
quoted.push(quotePrefix);
|
|
}
|
|
|
|
paragraph.split(/\r?\n/).forEach(line => {
|
|
if(0 === line.trim().length) {
|
|
// see blank line notes above
|
|
return quoted.push(quotePrefix);
|
|
}
|
|
|
|
quoteMatch = line.match(QUOTE_RE);
|
|
|
|
switch(state) {
|
|
case 'line' :
|
|
if(quoteMatch) {
|
|
if(isFormattedLine(line)) {
|
|
quoted.push(getFormattedLine(line.replace(/\s/, '')));
|
|
} else {
|
|
quoted.push(...getWrapped(buf, quoteMatch[1]));
|
|
state = 'quote_line';
|
|
buf = line;
|
|
}
|
|
} else {
|
|
buf += ` ${line}`;
|
|
}
|
|
break;
|
|
|
|
case 'quote_line' :
|
|
if(quoteMatch) {
|
|
const rem = line.slice(quoteMatch[0].length);
|
|
if(!buf.startsWith(quoteMatch[0])) {
|
|
quoted.push(...getWrapped(buf, quoteMatch[1]));
|
|
buf = rem;
|
|
} else {
|
|
buf += ` ${rem}`;
|
|
}
|
|
} else {
|
|
quoted.push(...getWrapped(buf));
|
|
buf = line;
|
|
state = 'line';
|
|
}
|
|
break;
|
|
|
|
default :
|
|
if(isFormattedLine(line)) {
|
|
quoted.push(getFormattedLine(line));
|
|
} else {
|
|
state = quoteMatch ? 'quote_line' : 'line';
|
|
buf = 'line' === state ? line : line.replace(/\s/, ''); // trim *first* leading space, if any
|
|
}
|
|
break;
|
|
}
|
|
});
|
|
|
|
quoted.push(...getWrapped(buf, quoteMatch ? quoteMatch[1] : null));
|
|
});
|
|
|
|
input.slice(tearLinePos).split(/\r?\n/).forEach(l => {
|
|
quoted.push(...getWrapped(l));
|
|
});
|
|
|
|
return cb(null, quoted, null, false);
|
|
}
|
|
};
|