ui: Slight refactor 'name deciding' for `request` > `rpc` (#6850)
During the refactor of the data layer we had a method that you can use to do a request/response call i.e. adapter.request > serializer.respond We weren't sure what to name this but eventually wanted it to live on the HTTPAdapter itself (see removed comments in the changeset) We've decided `rpc` is a good name and we've moved this to where we want it. We've deprecated the old `request` method name but not removed it as yet. There's also opportunity now to reduce the 'read/write' functions further as they essentially do the same thing. Again we've left this for the moment, but we are hoping to get the code for our custom Adapter down to less than 100 LoC.
This commit is contained in:
John Cowen
John Cowen
parent
2b743e03d4
commit
db4c76bf51
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@ -17,45 +17,9 @@ export default Adapter.extend({
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[DATACENTER_QUERY_PARAM]: dc,
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};
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},
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// TODO: kinda protected for the moment
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// decide where this should go either read/write from http
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// should somehow use this or vice versa
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// TODO: Deprecated, remove `request` usage from everywhere and replace with
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// `HTTPAdapter.rpc`
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request: function(req, resp, obj, modelName) {
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const client = this.client;
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const store = this.store;
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const adapter = this;
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let unserialized, serialized;
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const serializer = store.serializerFor(modelName);
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// workable way to decide whether this is a snapshot
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// essentially 'is attributable'.
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// Snapshot is private so we can't do instanceof here
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// and using obj.constructor.name gets changed/minified
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// during compilation so you can't rely on it
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// checking for `attributes` being a function is more
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// reliable as that is the thing we need to call
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if (typeof obj.attributes === 'function') {
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unserialized = obj.attributes();
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serialized = serializer.serialize(obj, {});
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} else {
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unserialized = obj;
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serialized = unserialized;
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}
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return client
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.request(function(request) {
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return req(adapter, request, serialized, unserialized);
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})
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.catch(function(e) {
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return adapter.error(e);
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})
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.then(function(respond) {
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// TODO: When HTTPAdapter:responder changes, this will also need to change
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return resp(serializer, respond, serialized, unserialized);
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});
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// TODO: Potentially add specific serializer errors here
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// .catch(function(e) {
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// return Promise.reject(e);
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// });
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return this.rpc(...arguments);
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},
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});
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@ -1,3 +1,4 @@
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import { inject as service } from '@ember/service';
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import Adapter from 'ember-data/adapter';
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import AdapterError from '@ember-data/adapter/error';
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import {
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@ -10,46 +11,75 @@ import {
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ConflictError,
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InvalidError,
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} from 'ember-data/adapters/errors';
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// TODO: This is a little skeleton cb function
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// is to be replaced soon with something slightly more involved
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const responder = function(response) {
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return response;
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};
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const read = function(adapter, serializer, client, type, query) {
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return client
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.request(function(request) {
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// TODO These are now exactly the same, apart from the fact that one uses
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// `serialized, unserialized` and the other just `query`
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// they could actually be one function now, but would be nice to think about
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// the naming of things (serialized vs query etc)
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const read = function(adapter, modelName, type, query = {}) {
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return adapter.rpc(
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function(adapter, request, query) {
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return adapter[`requestFor${type}`](request, query);
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})
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.catch(function(e) {
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return adapter.error(e);
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})
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.then(function(response) {
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return serializer[`respondFor${type}`](responder(response), query);
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});
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// TODO: Potentially add specific serializer errors here
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// .catch(function(e) {
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// return Promise.reject(e);
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// });
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},
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function(serializer, respond, query) {
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return serializer[`respondFor${type}`](respond, query);
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},
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query,
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modelName
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);
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};
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const write = function(adapter, serializer, client, type, snapshot) {
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const unserialized = snapshot.attributes();
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const serialized = serializer.serialize(snapshot, {});
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return client
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.request(function(request) {
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const write = function(adapter, modelName, type, snapshot) {
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return adapter.rpc(
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function(adapter, request, serialized, unserialized) {
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return adapter[`requestFor${type}`](request, serialized, unserialized);
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})
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.catch(function(e) {
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return adapter.error(e);
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})
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.then(function(response) {
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return serializer[`respondFor${type}`](responder(response), serialized, unserialized);
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});
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// TODO: Potentially add specific serializer errors here
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// .catch(function(e) {
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// return Promise.reject(e);
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// });
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},
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function(serializer, respond, serialized, unserialized) {
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return serializer[`respondFor${type}`](respond, serialized, unserialized);
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},
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snapshot,
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modelName
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);
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};
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export default Adapter.extend({
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client: service('client/http'),
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rpc: function(req, resp, obj, modelName) {
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const client = this.client;
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const store = this.store;
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const adapter = this;
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let unserialized, serialized;
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const serializer = store.serializerFor(modelName);
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// workable way to decide whether this is a snapshot
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// essentially 'is attributable'.
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// Snapshot is private so we can't do instanceof here
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// and using obj.constructor.name gets changed/minified
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// during compilation so you can't rely on it
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// checking for `attributes` being a function is more
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// reliable as that is the thing we need to call
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if (typeof obj.attributes === 'function') {
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unserialized = obj.attributes();
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serialized = serializer.serialize(obj, {});
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} else {
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unserialized = obj;
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serialized = unserialized;
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}
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return client
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.request(function(request) {
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return req(adapter, request, serialized, unserialized);
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})
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.catch(function(e) {
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return adapter.error(e);
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})
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.then(function(respond) {
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// TODO: When HTTPAdapter:responder changes, this will also need to change
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return resp(serializer, respond, serialized, unserialized);
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});
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// TODO: Potentially add specific serializer errors here
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// .catch(function(e) {
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// return Promise.reject(e);
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// });
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},
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error: function(err) {
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const errors = [
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{
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@ -97,21 +127,21 @@ export default Adapter.extend({
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throw error;
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},
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query: function(store, type, query) {
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return read(this, store.serializerFor(type.modelName), this.client, 'Query', query);
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return read(this, type.modelName, 'Query', query);
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},
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queryRecord: function(store, type, query) {
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return read(this, store.serializerFor(type.modelName), this.client, 'QueryRecord', query);
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return read(this, type.modelName, 'QueryRecord', query);
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},
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findAll: function(store, type) {
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return read(this, store.serializerFor(type.modelName), this.client, 'FindAll');
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return read(this, type.modelName, 'FindAll');
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},
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createRecord: function(store, type, snapshot) {
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return write(this, store.serializerFor(type.modelName), this.client, 'CreateRecord', snapshot);
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return write(this, type.modelName, 'CreateRecord', snapshot);
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},
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updateRecord: function(store, type, snapshot) {
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return write(this, store.serializerFor(type.modelName), this.client, 'UpdateRecord', snapshot);
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return write(this, type.modelName, 'UpdateRecord', snapshot);
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},
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deleteRecord: function(store, type, snapshot) {
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return write(this, store.serializerFor(type.modelName), this.client, 'DeleteRecord', snapshot);
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return write(this, type.modelName, 'DeleteRecord', snapshot);
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},
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});
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