ConstructionCost/web/building_saas/main/js/models/volume_price.js

/**
 * Created by Mai on 2017/7/25.
 */

var VolumePrice = {
    createNew: function (project) {
        let tools = {
            owner: project
        };

        class volumePrice {
            constructor () {
                this.datas = [];

                let maxID = 0;
                this.getNewID = function () {
                    return maxID += 1;
                };
                this.maxID = function (ID) {
                    if (arguments.length === 0) {
                        return maxID;
                    } else {
                        maxID = Math.max(ID, maxID);
                    }
                };
                tools.owner.registerModule(ModuleNames.volume_price, this);
            };

            getProject () {
                return tools.owner;
            };
            getSourceType () {
                return ModuleNames.volume_price;
            };

            loadData (datas) {
                this.datas = datas;
            };
            setMaxID (ID) {
                this.maxID(ID);
            }

            getTempVolumePrice (newID, billsID, serialNo) {
                var newData = {'ID': newID, 'serialNo': serialNo, projectID: tools.owner.ID()};
                newData[project.masterField.volumePrice] = billsID;
                return newData;
            };
            getBillsSortVolumePrice (billsID) {
                var arr = this.datas.filter(function (data) {
                    return data[tools.owner.masterField.volumePrice] === billsID;
                });
                arr.sort(function (x, y) {
                    return x.serialNo - y.serialNo;
                });
                return arr;
            };

            getInsertVolumePriceData (billsID, pre) {
                let bv = this.getBillsSortVolumePrice(billsID);
                let updateData = [];
                if (pre) {
                    let preIndex = bv.indexOf(pre), i;
                    updateData.push({updateType: 'ut_create', updateData: this.getTempVolumePrice(this.maxID() + 1, billsID, preIndex < bv.length - 1 ? bv[preIndex + 1].serialNo : bv[preIndex].serialNo + 1)});
                    for (i = preIndex + 1; i < bv.length; i++) {
                        updateData.push({updateType: 'ut_update', updateData: this.getTempVolumePrice(bv[i].ID, billsID, i < bv.length - 1 ? bv[i+1].serialNo : bv[i].serialNo + 1)});
                    }
                } else {
                    updateData.push({updateType: 'ut_create', updateData: this.getTempVolumePrice(this.maxID() + 1, billsID, bv.length > 0 ? bv[bv.length - 1].serialNo + 1 : 1)});
                }
                return updateData;
            };
            insertVolumePrice (billsID, pre) {
                tools.owner.pushNow('insertVolumePrice', [this.getSourceType()], [this.getInsertVolumePriceData(billsID, pre)]);

                let bv = this.getBillsSortVolumePrice(billsID), newVP = null;
                if (pre) {
                    let preIndex = bv.indexOf(pre);
                    newVP = this.getTempVolumePrice(this.getNewID(), billsID, preIndex < bv.length - 1 ? bv[preIndex + 1].serialNo : bv[preIndex].serialNo + 1);
                    this.datas.push(newVP);
                    for (let i = preIndex + 1; i < bv.length; i++) {
                        bv[i].serialNo = i < bv.length - 1 ? bv [i + 1].serialNo : bv[i].serialNo + 1;
                    }
                } else {
                    newVP = this.getTempVolumePrice(this.getNewID(), billsID, bv.length > 0 ? bv[bv.length - 1].serialNo + 1 : 1);
                    this.datas.push(newVP);
                }
                return newVP;
            }
        }

        return new volumePrice();
    }
}