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bukutabukuta
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sku
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7 files changed

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‎.gitignore

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11
*.swp
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*.swo
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node_module

‎sku/.gitignore

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node_modules
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*.sw*
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‎sku/lib/sku.js

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var colors=require('colors');
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function SkuSelector(attrs,skus){
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this.cats={};
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this.attrs={};
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this.skus={};
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this.oriAttrs=attrs;
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this.oriSkus=skus;
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this.parseAttr();
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this.parseSKU();
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}
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SkuSelector.prototype.parseAttr=function(){
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var item;
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var attrs=this.oriAttrs;
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var cats=this.cats;
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var _attrs=this.attrs;
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for(var i=0,len=attrs.length;i<len;i++){
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item=attrs[i];
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cats[item['id']]=item;
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var values=item.attrValues;
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for(var j=0,jlen=values.length;j<jlen;j++){
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values[j].catid=item['id']
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_attrs[values[j].id]=values[j];
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}
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}
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}
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SkuSelector.prototype.parseSKU=function(){
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var skus=this.oriSkus;
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var _skus=this.skus;
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var _attrs=this.attrs;
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var _disabledSkus={};
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this.disabledSkus=_disabledSkus;
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var item;
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for(var k in skus){
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item=skus[k];
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var arr=k.split('_').filter(function (e,i){return !!e;});
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if(item.stockNum<=0){
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item.path=arr;
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item.pathmap={};
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_disabledSkus[item.id]=item;
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for(var i=0,len=arr.length;i<len;i++){
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item.pathmap[arr[i]]=1;
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_attrs[arr[i]].dskus=_attrs[arr[i]].skus||{};
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_attrs[arr[i]].dskus[item.id]=item;
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}
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}
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//首先将无pku的选项挑出，不允许设置
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item.path=arr;
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_skus[item.id]=item;
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//console.log(item.id,arr);
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for(var i=0,len=arr.length;i<len;i++){
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_attrs[arr[i]].skus=_attrs[arr[i]].skus||{};
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_attrs[arr[i]].skus[item.id]=item;
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}
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}
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//console.log(this.disabledSkus);
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}
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function valuesAsMap(arr){
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var obj={};
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for(var i=0,len=arr.length;i<len;i++){
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obj[arr[i]]=1;
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}
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return obj;
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}
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function objKeys(obj){
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var keys=[];
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for(var k in obj){
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keys.push(k);
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}
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return keys;
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}
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SkuSelector.prototype.updateSKU=function(attrids){
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//console.log('------------------------------------'.green);
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//console.log('updateSKU',attrids);
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var dskus=this.disabledSkus;
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var idsmap=valuesAsMap(attrids);
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var disabledAttrs={};
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var arrs=[];
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for(var k in dskus){
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var sku=dskus[k];
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var ands=setAndSet(sku.pathmap,idsmap);
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if(objKeys(ands).length==0){
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//不触发禁项
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continue;
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}
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var ds=setSubSet(sku.pathmap,idsmap);
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var ids=objKeys(ds);
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if(ids.length==1){
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//console.log('the last one found'.red,ids);
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disabledAttrs= setOrSet(disabledAttrs,ds);
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}else if(ids.length>1){
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arrs.push(ds);
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}
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}
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//console.log('to judge',arrs);
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var rs=andArrays(arrs);
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//console.log('rs of judge'.bgBlack.white,rs);
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if(objKeys(rs).length==1){
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disabledAttrs= setOrSet(disabledAttrs,andArrays(arrs));
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}
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//console.log('---------'.red,disabledAttrs);
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return;
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}
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function andArrays(arrs){
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var obj={};
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var item;
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for(var i=0,len=arrs.length;i<len;i++){
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item=arrs[i];
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if(i==0){
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obj=item;
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}else{
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obj=setAndSet(obj,item);
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}
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}
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return obj;
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}
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SkuSelector.prototype.getDisabledAttrs=function(){
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return this.disabledAttrs;
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}
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SkuSelector.prototype.getEnabledAttrs=function(){
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return this.enabledAttrs;
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}
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SkuSelector.prototype.addToEnabledAttrs=function(cat,enabled_attrs){
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var values=cat.attrValues;
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for(var i=0,len=values.length;i<len;i++){
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enabled_attrs[values[i].id]=1;
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}
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}
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SkuSelector.prototype.collectEnabledAttrs=function(skus,enabled_attrs){
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var tmp=enabled_attrs||{};
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for(var k in skus){
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var sku=this.skus[k];
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var path=sku.path;
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for(var index in path){
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tmp[path[index]]=1;
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}
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}
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return tmp;
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}
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function setAndSet(a,b){
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var obj={};
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for(var i in a){
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if(b[i]){
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obj[i]=1;
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}
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}
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return obj;
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}
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function setOrSet(a,b){
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var obj={};
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for(var i in a){
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obj[i]=1;
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}
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for(var i in b){
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obj[i]=1;
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}
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return obj;
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}
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function setSubSet(a,b){
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var obj={};
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for(var i in a){
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if(!b[i]){
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obj[i]=1;
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}
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}
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return obj;
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}
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module.exports=SkuSelector;

‎sku/package.json

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{
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"name": "sku",
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"version": "1.0.0",
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"description": "sku selector",
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"main": "lib/sku.js",
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"directories": {
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"test": "test"
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},
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"dependencies": {
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"chai": "^1.10.0",
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"colors": "^1.0.3"
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},
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"devDependencies": {},
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"scripts": {
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"test": "mocha"
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},
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"keywords": [
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"sku"
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],
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"author": "bukuta",
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"license": "MIT"
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}

‎sku/sku.js.bak

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function SkuSelector(attrs,skus){
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this.cats={};
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this.attrs={};
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this.skus={};
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this.oriAttrs=attrs;
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this.oriSkus=skus;
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this.parseAttr();
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this.parseSKU();
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}
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SkuSelector.prototype.parseAttr=function(){
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var item;
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var attrs=this.oriAttrs;
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var cats=this.cats;
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var _attrs=this.attrs;
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for(var i=0,len=attrs.length;i<len;i++){
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item=attrs[i];
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cats[item['id']]=item;
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var values=item.attrValues;
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for(var j=0,jlen=values.length;j<jlen;j++){
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values[j].catid=item['id']
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_attrs[values[j].id]=values[j];
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}
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}
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}
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SkuSelector.prototype.parseSKU=function(){
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var skus=this.oriSkus;
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var _skus=this.skus;
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var _attrs=this.attrs;
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var item;
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for(var k in skus){
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item=skus[k];
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var arr=k.split('_').filter(function (e,i){return !!e;});
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if(item.stockNum<=0){
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continue;
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}
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item.path=arr;
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_skus[item.id]=item;
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console.log(item.id,arr);
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for(var i=0,len=arr.length;i<len;i++){
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_attrs[arr[i]].skus=_attrs[arr[i]].skus||{};
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_attrs[arr[i]].skus[item.id]=item;
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}
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}
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}
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SkuSelector.prototype.updateSKU=function(attrids){
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console.log('------------------------------------');
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console.log('updateSKU',attrids);
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var _attrs=this.attrs;
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var cats=this.cats;
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var skus,_skus;
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var enabled_attrs={};
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var enabled_attrs0={};
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var remainskus=this.skus;
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var that=this;
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var disabledskus={};
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var disabledattrs={};
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for(var i=0,len=attrids.length;i<len;i++){
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//当前属性,不可用的sku,对其他行属性的影响:
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attrid=attrids[i];
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console.log('---------------------attrid:',attrid)
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var attr=_attrs[attrid];
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skus=attr['skus'];
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var curcat=cats[attr.catid];
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var lastskus=JSON.parse(JSON.stringify(remainskus));
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var __attrs=this.collectEnabledAttrs(lastskus);
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console.log('before\t',JSON.stringify(__attrs));
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remainskus=setAndSet(remainskus,skus);
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var __attrs2=this.collectEnabledAttrs(remainskus);
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console.log('after\t',JSON.stringify(__attrs2));
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var __diff=setSubSet(__attrs,__attrs2);
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console.log('diff\t',JSON.stringify(__diff));
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disabledattrs=setOrSet(disabledattrs,pickupAttrs(__diff,attrid));
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//disabledskus=setSub.effectOtherAttrs(disabledskus,attrid);
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}
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console.log('disabledattrs',disabledattrs);
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this.disabledAttrs=disabledattrs;
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this.enabledAttrs=setSubSet(this.attrs,disabledattrs);
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console.log('------------------------------------');
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return;
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function pickupAttrs(obj,id){
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var catid=getAttrCat(id);
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var ids={};
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for(var k in obj){
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if(getAttrCat(k)!=catid){
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ids[k]=1;
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}
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}
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console.log('pickup------',obj,id,ids);
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return ids;
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}
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function getAttrCat(id){
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return that.attrs[id].catid;
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}
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}
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SkuSelector.prototype.getDisabledAttrs=function(){
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return this.disabledAttrs;
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}
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SkuSelector.prototype.getEnabledAttrs=function(){
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return this.enabledAttrs;
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}
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SkuSelector.prototype.addToEnabledAttrs=function(cat,enabled_attrs){
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var values=cat.attrValues;
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for(var i=0,len=values.length;i<len;i++){
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enabled_attrs[values[i].id]=1;
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}
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}
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SkuSelector.prototype.collectEnabledAttrs=function(skus,enabled_attrs){
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var tmp=enabled_attrs||{};
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for(var k in skus){
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var sku=this.skus[k];
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var path=sku.path;
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//console.log('path',path);
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for(var index in path){
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//console.log(path[index],tmp);
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tmp[path[index]]=1;
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}
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}
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return tmp;
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}
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function setAndSet(a,b){
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var obj={};
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for(var i in a){
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if(b[i]){
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obj[i]=1;
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}
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}
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return obj;
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}
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function setOrSet(a,b){
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var obj={};
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for(var i in a){
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obj[i]=1;
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}
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for(var i in b){
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obj[i]=1;
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}
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return obj;
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}
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function setSubSet(a,b){
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var obj={};
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for(var i in a){
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if(!b[i]){
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obj[i]=1;
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}
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}
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return obj;
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}
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module.exports=SkuSelector;

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