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

/**
 * Created by Mai on 2017/4/1.
 */

var Bills = {
    createNew: function (project) {
        var billsTreeSetting = {
            id: 'ID',
            pid: 'ParentID',
            nid: 'NextSiblingID',
            rootId: -1,
            autoUpdate: false
        };

        // 用户定义private方法
        var tools = {
            coverseTreeUpdateData: function (datas) {
                var updateDatas = [];
                datas.forEach(function (data) {
                    var updateData = {};
                    if (data.type === idTree.updateType.new) {
                        updateData.updateType = 'ut_create';
                        updateData.updateData = data.data;
                    } else if (data.type === idTree.updateType.update) {
                        updateData.updateType = 'ut_update';
                        updateData.updateData = data.data;
                    } else if (data.type === idTree.updateType.delete) {
                        updateData.updateType = 'ut_delete';
                        updateData.updateData = data.data;
                    }
                    updateDatas.push(updateData);
                });
                return updateDatas;
            }
        };

        // 所有通过this访问的属性，都不应在此单元外部进行写入操作
        var bills = function (proj) {
            this.project = proj;
            this.datas = null;
            this.tree = idTree.createNew(billsTreeSetting);

            var sourceType = ModuleNames.bills;
            this.getSourceType = function () {
                return sourceType;
            }
            proj.registerModule(ModuleNames.bills, this);
        };

        // 从后台获取数据
        /*bills.prototype.pullData = function (){
            this.project.pullData(
                '/bills/getData',
                {projectID: this.project.ID},
                function(result){
                    if (result.error ===0){
                        this.loadDatas(result.data);
                    }
                    else {
                        // to do: ?错误处理需要细化
                        alert(result.message);
                    }
                },
                function (){}// to do: 错误处理需要细化
            )
        };*/

        // prototype用于定义public方法
        bills.prototype.loadData = function (datas) {
            this.datas = datas;
            // generate Fees & Flags Index, For View & Calculate
            this.datas.forEach(function (data) {
                data.FeesIndex = {};
                if (data.fees) {
                    data.fees.forEach(function (fee) {
                        data.FeesIndex[fee.fieldName] = fee;
                    });
                }
                data.FlagsIndex = {};
                if (data.flags) {
                    data.flags.forEach(function (flag) {
                        data.FlagsIndex[flag.fieldName] = flag;
                    });
                }
            });
            // datas load to Tree
            this.tree.loadDatas(this.datas);
        };

        bills.prototype.setMaxID = function (ID) {
            this.tree.maxNodeID(ID);
        };

        // 提交数据后的错误处理方法
        bills.prototype.doAfterUpdate = function(err, data){
            // to do
        };

        bills.prototype.getCounterData = function (count) {
            var updateData = {'projectID': this.project.ID()};
            if (count) {
                updateData[this.getSourceType()] = this.tree.maxNodeID() + count;
            } else {
                updateData[this.getSourceType()] = this.tree.maxNodeID() + 1;
            }
            return updateData;
        };

        bills.prototype.insertBills = function (parentId, nextSiblingId) {
            var insertData = this.tree.getInsertData(parentId, nextSiblingId);
            var that = this;
            insertData.forEach(function (data) {
                data.data.projectID = that.project.ID();
                if (data.type === idTree.updateType.new) {
                    that.datas.push(data.data);
                }
            });
            this.project.pushNow('insertBills', [this.getSourceType(), this.project.projCounter()],
                [ tools.coverseTreeUpdateData(insertData), this.getCounterData()]);
            //project.pushNow('insertBills', ModuleNames.bills, tools.coverseTreeUpdateData(insertData));

            return this.tree.insert(parentId, nextSiblingId);
        };

        bills.prototype.insertStdBills = function (parentId, nextSiblingId, stdBillsData) {
            var insertData = this.tree.getInsertData(parentId, nextSiblingId);
            var newData = null, that = this;
            insertData.forEach(function (data) {
                data.data.projectID = that.project.ID();
                if (data.type === idTree.updateType.new) {
                    data.data.code = stdBillsData.code;
                    data.data.name = stdBillsData.name;
                    data.data.unit = stdBillsData.unit;
                    that.datas.push(data.data);
                    newData = data.data;
                }
            });
            this.project.pushNow('insertStdBills', [this.getSourceType(), this.project.projCounter()],
                [ tools.coverseTreeUpdateData(insertData), this.getCounterData()]);
            //project.pushNow('insertStdBills', ModuleNames.bills, tools.coverseTreeUpdateData(insertData));

            return this.tree.insertByData(newData, parentId, nextSiblingId);
        }

        bills.prototype.deleteBills = function (node) {
            var deleteData = this.tree.getDeleteData(node);
            project.beginUpdate('deleteBills');
            project.push(ModuleNames.bills, tools.coverseTreeUpdateData(deleteData, project.ID()));
            project.endUpdate();

            return this.tree.delete(node);
        }

        return new bills(project);
    }
};