getParams: function(type) {
var me = this;
if (!type) {
type = Model.GET;
} else {
type = type.toUpperCase();
}
var k = '$' + type;
var params = me[k];
var arr = [];
var v;
if (params) {
for (var p in params) {
v = params[p];
if (Magix.isArray(v)) {
for (var i = 0; i < v.length; i++) {
arr.push(p + '=' + Encode(v[i]));
}
} else {
arr.push(p + '=' + Encode(v));
}
}
}
return arr.join('&');
},
registerModels: function(models) {
/*
name:'',
options:{
uri:'',
jsonp:'true'
},
urlParams:'',
postParams:'',
cacheTime:20000,//缓存多久
before:function(m){
},
after:function(m){
}
*/
var me = this;
var metas = me.$mMetas;
if (!Magix.isArray(models)) {
models = [models];
}
for (var i = 0, model, name; i < models.length; i++) {
model = models[i];
name = model.name;
if (model && !name) {
throw Error('miss name attribute');
} else if (metas[name]) {
throw Error('already exist:' + name);
}
if (model.cache) {
if (!model.cacheKey) model.cacheKey = name;
if (!model.cacheTime) model.cacheTime = DefaultCacheTime;
}
metas[name] = model;
}
},
send: function(models, done, flag, save) {
var me = this;
if (me.$doTask) {
me.next(function() {
this.send(models, done, flag, save);
});
return me;
}
me.$doTask = true;
var host = me.$host;
var modelsCache = host.$mCache;
var modelsCacheKeys = host.$mCacheKeys;
var reqModels = me.$reqModels;
if (!Magix.isArray(models)) {
models = [models];
}
var total = models.length;
var current = 0;
var hasError;
var latestMsg;
var currentError;
var doneArr = new Array(total);
var doneArgs = [];
var errorArgs = {};
var orderlyArr = [];
var doneIsArray = Magix.isArray(done);
if (doneIsArray) {
doneArgs = new Array(done.length);
}
var doneFn = function(model, idx, err) {
if (me.$destroy) return; //销毁，啥也不做
current++;
delete reqModels[model.id];
var mm = model.$mm;
var cacheKey = mm.cacheKey;
doneArr[idx] = model;
if (err) {
hasError = true;
currentError = true;
latestMsg = err;
errorArgs.msg = err;
errorArgs[idx] = err;
} else {
currentError = false;
if (!cacheKey || (cacheKey && !modelsCache.has(cacheKey))) {
if (cacheKey) {
modelsCache.set(cacheKey, model);
}
mm.doneAt = Now();
var after = mm.after;
var meta = mm.meta;
if (after) { //有after
SafeExec(after, [model, meta]);
}
host.fire('done', {
model: mm,
meta: meta
});
}
if (!model.fromCache && mm.used > 0) {
model.fromCache = true;
}
mm.used++;
}
if (flag == FetchFlags.ONE) { //如果是其中一个成功，则每次成功回调一次
var m = doneIsArray ? done[idx] : done;
if (m) {
doneArgs[idx] = SafeExec(m, [currentError ? errorArgs : null, model, errorArgs], me);
}
} else if (flag == FetchFlags.ORDER) {
//var m=doneIsArray?done[idx]:done;
orderlyArr[idx] = {
m: model,
e: currentError,
s: err
};
//
for (var i = orderlyArr.i || 0, t, d; t = orderlyArr[i]; i++) {
d = doneIsArray ? done[i] : done;
if (t.e) {
errorArgs.msg = t.s;
errorArgs[i] = t.s;
}
doneArgs[i] = SafeExec(d, [t.e ? errorArgs : null, t.m, errorArgs].concat(doneArgs), me);
}
orderlyArr.i = i;
}
if (current >= total) {
if (!hasError) {
errorArgs = null;
}
if (flag == FetchFlags.ALL) {
doneArr.unshift(errorArgs);
doneArgs[0] = errorArgs;
doneArgs[1] = SafeExec(done, doneArr, me);
} else {
doneArgs.unshift(errorArgs);
}
me.$ntId = setTimeout(function() { //前面的任务可能从缓存中来，执行很快
me.doNext(doneArgs);
}, 30);
}
};
for (var i = 0, model; i < models.length; i++) {
model = models[i];
if (model) {
var modelInfo = host.getModel(model, save);
var cacheKey = modelInfo.cKey;
var modelEntity = modelInfo.entity;
var wrapDoneFn = WrapDone(doneFn, modelEntity, i);
wrapDoneFn.id = me.id;
if (cacheKey && Has(modelsCacheKeys, cacheKey)) {
modelsCacheKeys[cacheKey].q.push(wrapDoneFn);
} else {
if (modelInfo.update) {
reqModels[modelEntity.id] = modelEntity;
if (cacheKey) {
modelsCacheKeys[cacheKey] = {
q: [wrapDoneFn],
e: modelEntity
};
wrapDoneFn = CacheDone;
}
modelEntity.request(wrapDoneFn, {
key: cacheKey,
cKeys: modelsCacheKeys
});
} else {
wrapDoneFn();
}
}
} else {
throw Error('miss attrs:' + models);
}
}
return me;
},