teambition-sdk-socket/models/BaseCollection.js

Front-End SDK for Teambition

'use strict';
var __extends = (this && this.__extends) || (function () {
    var extendStatics = Object.setPrototypeOf ||
        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
require("rxjs/add/operator/switch");
require("rxjs/add/operator/publishReplay");
var Observable_1 = require("rxjs/Observable");
var BaseModel_1 = require("./BaseModel");
var index_1 = require("../utils/index");
var BaseCollection = (function (_super) {
    __extends(BaseCollection, _super);
    function BaseCollection(_schemaName, _condition, _dbIndex, _pageLength, _unionFlag) {
        if (_pageLength === void 0) { _pageLength = 30; }
        if (_unionFlag === void 0) { _unionFlag = '_id'; }
        var _this = _super.call(this) || this;
        _this._schemaName = _schemaName;
        _this._condition = _condition;
        _this._dbIndex = _dbIndex;
        _this._pageLength = _pageLength;
        _this._unionFlag = _unionFlag;
        _this._singals = new Map();
        _this._data = new Map();
        _this._pages = [];
        return _this;
    }
    BaseCollection.prototype.hasPage = function (page) {
        return this._pages.indexOf(page) !== -1;
    };
    BaseCollection.prototype.addPage = function (page, data) {
        var _this = this;
        if (!data) {
            return Observable_1.Observable.of(null);
        }
        return Observable_1.Observable.create(function (observer) {
            var destSignal;
            if (_this.hasPage(page)) {
                if (page === 1) {
                    destSignal = _this._singals.get(page);
                }
                else {
                    destSignal = _this.get(page);
                }
            }
            else {
                _this._data.set(page, data);
                if (!_this._pages.length) {
                    _this._pages.push(page);
                }
                else {
                    index_1.forEach(_this._pages, function (_page, pos) {
                        var nextPage = _this._pages[pos + 1];
                        if (!nextPage) {
                            if (_page < page) {
                                _this._pages.push(page);
                            }
                            else {
                                _this._pages.unshift(page);
                            }
                            return false;
                        }
                        else if (page > _page && page < nextPage) {
                            _this._pages.splice(pos, 0, page);
                            return false;
                        }
                        return true;
                    });
                }
                var result = _this._getAll();
                /**
                 * page 默认从1开始
                 */
                if (page === 1) {
                    // 可发射多次的流
                    destSignal = _this._saveCollection(_this._dbIndex, result, _this._schemaName, _this._condition, _this._unionFlag)
                        .publishReplay(1)
                        .refCount();
                }
                else {
                    // 只会发射一次
                    destSignal = _this._updateCollection(_this._dbIndex, result)
                        .publishReplay(1)
                        .refCount();
                }
            }
            _this._singals.set(page, destSignal);
            observer.next(destSignal);
        })
            ._switch();
    };
    BaseCollection.prototype.get = function (page) {
        if (page) {
            if (this.hasPage(page)) {
                if (page !== 1) {
                    var getSignal = this._singals.get(page);
                    if (getSignal) {
                        return getSignal;
                    }
                    else {
                        return null;
                    }
                }
                else {
                    return this._get(this._dbIndex);
                }
            }
        }
        else {
            return this._get(this._dbIndex);
        }
        return null;
    };
    BaseCollection.prototype._getAll = function () {
        var _this = this;
        var result = [];
        index_1.forEach(this._pages, function (page) {
            index_1.concat(result, _this._data.get(page));
        });
        return result;
    };
    return BaseCollection;
}(BaseModel_1.default));
exports.default = BaseCollection;
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