这样消除了同一份代码出现在两处的不良结构,避免了同步的困难。 当 node.server 需要临时修改 ActionXxx.js 时,只要在 server.js 里临时 require('../tic.action').ActionXxx 即可。一处修改,到处可用。
34 lines
1.3 KiB
JavaScript
34 lines
1.3 KiB
JavaScript
const Action = require('./Action.js')
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/** ****************** Public of instance ********************/
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const DAD = module.exports = function ActionStore (prop) {
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this._class = this.constructor.name
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this.setProp(prop) // 没有定义 DAD.prototype._model,因此继承了上级Action.prototype._model,因此通过this.setProp,继承了上级Action定义的实例自有数据。另一个方案是,调用 Action.call(this, prop)
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this.type = this.constructor.name
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}
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DAD.__proto__ = Action
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// DAD._table=DAD.name // 注释掉,从而继承父类Action的数据库表格名
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const MOM = DAD.prototype
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MOM.__proto__ = Action.prototype
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/** ****************** Shared by instances ********************/
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MOM.validateMe = function () {
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// check size, account balance >= fee, fee>wo.Config.MIN_FEE_ActionStore
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return this.fee >= wo.Config.MIN_FEE_ActionStore
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}
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MOM.executeMe = async function () {
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let actor = await wo.Account.getOne({ Account: { address: this.actorAddress } })
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if (actor && actor.balance >= this.fee) {
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await actor.setMe({ Account: { balance: actor.balance - this.fee }, cond: { address: actor.address } }) // todo 20190409: change to use wo.Store
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return this
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}
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return null
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}
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/** ****************** Public of class ********************/
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DAD.api = {}
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