podchat-browser
Version:
Javascript SDK to use POD's Chat Service - Browser Only
304 lines (255 loc) • 10.7 kB
JavaScript
;
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.HistoryItem = HistoryItem;
var _toConsumableArray2 = _interopRequireDefault(require("@babel/runtime/helpers/toConsumableArray"));
/**
*
* @param {number} threadId
* @param {Object} params
* @param {Array} list
* @returns {Object}
* @constructor
*/
function HistoryItem(threadId, params, list) {
var config = {
threadId: threadId,
list: list,
hasMore: params.count <= list.length,
hasNext: true
};
return {
threadId: threadId,
get: function get() {
return config.list;
},
findMessageIdByFromTime: function findMessageIdByFromTime(time) {
var message = config.list.filter(function (item) {
return item.timeMiliSeconds === time;
});
if (message.length === 0) {
return 0;
}
return message[0].id || 0;
},
findMessagePreviousIdByToTime: function findMessagePreviousIdByToTime(time) {
var message = config.list.filter(function (item) {
return item.timeMiliSeconds === time;
});
if (message.length === 0) {
return 0;
}
return message[0].previousId || 0;
},
hasNextMessage: function hasNextMessage() {},
hasNoPrevious: function hasNoPrevious(cacheData) {
if (cacheData.length > 0) {
var _cacheData;
return ((_cacheData = cacheData[cacheData.length - 1]) === null || _cacheData === void 0 ? void 0 : _cacheData.previousId) == undefined;
}
return true;
},
isCacheValid: function isCacheValid(cachedData, count, previousId) {
return cachedData.length === count || this.hasNoPrevious(cachedData);
},
matchesPreviousId: function matchesPreviousId(cachedData, previousId) {
var _cachedData$;
return ((_cachedData$ = cachedData[0]) === null || _cachedData$ === void 0 ? void 0 : _cachedData$.previousId) === previousId;
},
checkSequence: function checkSequence(cachedData) {
for (var i = 1; i < cachedData.length; i++) {
if (cachedData[i].id !== cachedData[i - 1].previousId) {
return false;
}
}
return true;
},
getRangeCacheData: function getRangeCacheData(params) {
var resCachedData = [];
var cacheData = (0, _toConsumableArray2["default"])(config.list);
var size = params.size,
messageId = params.messageId;
if (size && messageId) {
var message = config.list.find(function (item) {
return item.id === messageId;
});
if (message.timeMiliSeconds) {
var fromTimeIndex = cacheData.findIndex(function (x) {
return x.timeMiliSeconds === message.timeMiliSeconds;
});
if (fromTimeIndex >= size) {
resCachedData = cacheData.slice(fromTimeIndex - size, fromTimeIndex + size + 1);
if (!this.checkSequence(resCachedData)) {
return [];
}
}
}
}
return resCachedData;
},
getCacheData: function getCacheData(params) {
var lastMessageTime = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
var count = params.count,
fromTime = params.fromTime,
toTime = params.toTime,
order = params.order;
var cacheData = (0, _toConsumableArray2["default"])(config.list);
var resCachedData = [];
if (fromTime) {
var _cacheData$fromTimeIn, _resCachedData;
var fromTimeIndex = cacheData.findIndex(function (x) {
return x.timeMiliSeconds === fromTime;
});
var start = fromTimeIndex >= count ? fromTimeIndex - count : 0;
resCachedData = cacheData.slice(start, fromTimeIndex);
if (((_cacheData$fromTimeIn = cacheData[fromTimeIndex]) === null || _cacheData$fromTimeIn === void 0 ? void 0 : _cacheData$fromTimeIn.id) !== ((_resCachedData = resCachedData[resCachedData.length - 1]) === null || _resCachedData === void 0 ? void 0 : _resCachedData.previousId)) {
if (!(lastMessageTime === fromTime && count === resCachedData.length)) {
return [];
}
}
if (!this.checkSequence(resCachedData)) {
return [];
}
return resCachedData;
} else if (toTime) {
var toTimeIndex = cacheData.findIndex(function (x) {
return x.timeMiliSeconds === toTime;
});
if (toTimeIndex > -1) {
var _cacheData2;
resCachedData = cacheData.slice(toTimeIndex, toTimeIndex + count);
if (((_cacheData2 = cacheData[toTimeIndex - 1]) === null || _cacheData2 === void 0 ? void 0 : _cacheData2.previousId) !== resCachedData[0].id) {
if (!(lastMessageTime === toTime && count === resCachedData.length)) {
return [];
}
}
if (!this.checkSequence(resCachedData)) {
return [];
}
}
} else {
resCachedData = config.list.slice(0, count);
if (!this.checkSequence(resCachedData)) {
return [];
}
}
if (order && order === 'desc') {
return Array.from(resCachedData).reverse();
}
return resCachedData;
},
cacheHasEnoughData: function cacheHasEnoughData(params, lastMessageItem) {
// handle range history cache
if (params.size && params.messageId) {
return this.getRangeCacheData(params).length === params.size * 2 + 1;
}
var lastMessageId = lastMessageItem.id,
timeMiliSeconds = lastMessageItem.timeMiliSeconds;
var cacheData = this.getCacheData(params, timeMiliSeconds);
var oneOrLessThanCountItemCondition = cacheData.length > 0 && cacheData.length < params.count;
if (oneOrLessThanCountItemCondition) {
var _cacheData$index2, _cacheData3, _cacheData$2;
var index = params.order === 'desc' ? cacheData.length - 1 : 0; // prevent request when scroll top. (toTime)
if (params !== null && params !== void 0 && params.toTime) {
var _cacheData$index, _cacheData$;
return [(_cacheData$index = cacheData[index]) === null || _cacheData$index === void 0 ? void 0 : _cacheData$index.previousId, (_cacheData$ = cacheData[0]) === null || _cacheData$ === void 0 ? void 0 : _cacheData$.previousId].includes(undefined);
} // handle request params.fromTime
if (params !== null && params !== void 0 && params.fromTime) {
return cacheData[index].id === lastMessageId;
} // if threads history items less than count value and request with count and offset parameter (not fromTime or To Time)
if (((_cacheData$index2 = cacheData[index]) === null || _cacheData$index2 === void 0 ? void 0 : _cacheData$index2.id) === lastMessageId && (((_cacheData3 = cacheData[cacheData.length - 1]) === null || _cacheData3 === void 0 ? void 0 : _cacheData3.previousId) == undefined || ((_cacheData$2 = cacheData[0]) === null || _cacheData$2 === void 0 ? void 0 : _cacheData$2.previousId) == undefined)) {
return true;
} // if receive event with number 2 code from server when client is offline and data is less than count and fromTime and endTime not exit => data is invalid
return false;
} // check has more data if fromTime parameter exist on request and cacheData is empty
if (cacheData.length === 0 && (params === null || params === void 0 ? void 0 : params.fromTime) === timeMiliSeconds && timeMiliSeconds !== undefined) {
return true;
}
return cacheData.length == params.count;
},
pushAtEnd: function pushAtEnd(message) {
config.list.push(message);
},
mergeArray: function mergeArray(messages) {
config.list = config.list.concat(messages).filter(function (item, index, self) {
return index === self.findIndex(function (t) {
return t.id === item.id;
});
});
},
sortDesc: function sortDesc() {
config.list.sort(function (a, b) {
return b.time - a.time;
});
},
putAtBegin: function putAtBegin(message) {
config.list.unshift(message);
},
binaryInsert: function binaryInsert(message) {
var left = 0;
var right = config.list.length; // جستجوی دودویی برای پیدا کردن مکان مناسب
while (left < right) {
var mid = Math.floor((left + right) / 2);
if (message.time > config.list[mid].time) {
right = mid;
} else {
left = mid + 1;
}
} // درج شیء در مکان پیدا شده
config.list.splice(left, 0, message);
},
updateOrPushEndMessage: function updateOrPushEndMessage(message) {
var foundIndex = config.list.findIndex(function (item) {
return item.id == message.id;
});
if (foundIndex > -1) config.list[foundIndex] = message;else {
var indexScrollDown = config.list.findIndex(function (item) {
return item.id === message.previousId;
});
var indexScrollUp = config.list.findIndex(function (item) {
return item.previousId === message.id;
});
if (indexScrollDown > -1) {
config.list.splice(indexScrollDown, 0, message);
} else {
// config.list.push(null)
config.list.push(message);
} // config.list.push(message)
}
},
updateMessage: function updateMessage(message) {
var foundIndex = config.list.findIndex(function (item) {
return item.id == message.id;
});
if (foundIndex > -1) config.list[foundIndex] = message;
},
hasMore: function hasMore() {
return config.hasMore;
},
messageExists: function messageExists(messageId) {
return config.list.findIndex(function (item) {
return item.id == messageId;
}) > -1;
},
remove: function remove(messageId) {
config.list = config.list.filter(function (item) {
return !item || item && item.id != messageId;
});
},
removeReplyInfoVO: function removeReplyInfoVO(messageId) {
for (var i in config.list) {
if (config.list[i].id == messageId) {
config.list[i].replyInfo && (config.list[i].replyInfo.deleted = true);
}
}
},
updateSeenItem: function updateSeenItem(messageId) {
var foundIndex = config.list.findIndex(function (item) {
return item.id == messageId;
});
if (foundIndex > -1) config.list[foundIndex]['seen'] = true;
}
};
}