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can fetch poly asset list synchronously

Elisa Lupin-Jimenez committed 8 years ago

Commit 4ed68961 parent d6e1a9d2 files · +189 −2Browse files

Showing the changes to interface/src/scripting/GooglePolyScriptingInterface.cpp (1 of 2 files). Show all

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interface/src/scripting/GooglePolyScriptingInterface.cpp+177−2
@@ -9,13 +9,188 @@ · 8 unmodified lines
9// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html9// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
10//10//
11 11
12#include <QEventLoop>
13#include <QJsonArray>
14#include <QJsonDocument>
15#include <QJsonObject>
16#include <QNetworkAccessManager>
17#include <QNetworkReply>
18#include <QNetworkRequest>
19//#include <QScopedPointer>
20#include <QString>
21#include <QUrl>
22
12#include "GooglePolyScriptingInterface.h"23#include "GooglePolyScriptingInterface.h"
13#include "ScriptEngineLogging.h"24#include "ScriptEngineLogging.h"
14 25
15GooglePolyScriptingInterface::GooglePolyScriptingInterface() {26QString listPolyUrl = "https://poly.googleapis.com/v1/assets?";
27QString getPolyUrl = "https://poly.googleapis.com/v1/assets/model?";
16 28
29GooglePolyScriptingInterface::GooglePolyScriptingInterface() {
30 // nothing to be implemented
17}31}
18 32
19void GooglePolyScriptingInterface::testPrint() {33void GooglePolyScriptingInterface::testPrint() {
20 qCDebug(scriptengine) << "Google Poly interface exists";34 qCDebug(scriptengine) << "Google Poly interface exists";
21}35}
36
37void GooglePolyScriptingInterface::setAPIKey(QString key) {
38 authCode = key;
39}
40
41void GooglePolyScriptingInterface::getAssetList() {
42 authCode = "AIzaSyDamk7Vth52j7aU9JVKn3ungFS0kGJYc8A";
43 //authCode = "broke";
44 QUrl url(listPolyUrl + "key=" + authCode);
45 QByteArray jsonString = getHTTPRequest(url);
46 qCDebug(scriptengine) << "the list: " << jsonString;
47 QJsonObject json = makeJSONObject(&jsonString, true);
48
49}
50
51// FIXME: synchronous = not good code
52QByteArray GooglePolyScriptingInterface::getHTTPRequest(QUrl url) {
53 QNetworkAccessManager manager;
54 QNetworkReply *response = manager.get(QNetworkRequest(url));
55 QEventLoop event;
56 connect(response, SIGNAL(finished()), &event, SLOT(quit()));
57 event.exec();
58
59 return response->readAll();
60
61}
62
63QJsonObject GooglePolyScriptingInterface::makeJSONObject(QByteArray* response, bool isList) {
64 //QString firstItem = QString::fromUtf8(response->readAll());
65 QJsonDocument doc = QJsonDocument::fromJson(*response);
66 qCDebug(scriptengine) << "json doc is empty: " << doc.isEmpty();
67 QJsonObject obj = doc.object();
68 qCDebug(scriptengine) << "json obj: " << obj;
69 qCDebug(scriptengine) << "json list: " << obj.keys();
70 if (obj.keys().first() == "error") {
71 qCDebug(scriptengine) << "Invalid API key";
72 return obj;
73 }
74 qCDebug(scriptengine) << "total size: " << obj.value("totalSize").toString();
75 qCDebug(scriptengine) << "in assets: " << obj.value("assets");
76 return obj;
77}
78
79/*void GooglePolyScriptingInterface::getAssetList() {
80 authCode = "AIzaSyDamk7Vth52j7aU9JVKn3ungFS0kGJYc8A";
81 QUrl url(listPolyUrl + "key=" + authCode);
82 QByteArray reply = getHTTPRequest(url);
83 qCDebug(scriptengine) << "the list: " << test;
84}
85
86// FIXME: synchronous = not good code
87QByteArray GooglePolyScriptingInterface::getHTTPRequest(QUrl url) {
88 QNetworkAccessManager manager;
89 QNetworkReply *response = manager.get(QNetworkRequest(url));
90 QEventLoop event;
91 connect(response, SIGNAL(finished()), &event, SLOT(quit()));
92 event.exec();
93 return response->readAll();
94}
95
96*/
97
98/* useful for constructing the url?
99
100 QUrl url("http://gdata.youtube.com/feeds/api/standardfeeds/");
101 QString method = "most_popular";
102 url.setPath(QString("%1%2").arg(url.path()).arg(method));
103
104 QMap<QString, QVariant> params;
105 params["alt"] = "json";
106 params["v"] = "2";
107
108 foreach(QString param, params.keys()) {
109 url.addQueryItem(param, params[param].toString());
110 }
111
112*/
113
114/* NONE OF THESE HTTP GET METHODS WORK D:
115https://stackoverflow.com/questions/28267477/getting-a-page-content-with-qt kinda used rn
116
117this correctly returns the asset list but is apparently synchronous and not a good way to do it
118https://stackoverflow.com/questions/24965972/qt-getting-source-html-code-of-a-web-page-hosted-on-the-internet
119void GooglePolyScriptingInterface::getAssetList() {
120 authCode = "AIzaSyDamk7Vth52j7aU9JVKn3ungFS0kGJYc8A";
121 QUrl url(listPolyUrl + "key=" + authCode);
122 QNetworkAccessManager manager;
123 QNetworkReply *response = manager.get(QNetworkRequest(url));
124 QEventLoop event;
125 connect(response, SIGNAL(finished()), &event, SLOT(quit()));
126 event.exec();
127 QString firstItem = response->readAll();
128 //QJsonArray arr;
129 //QJsonObject jsonObject = QJsonDocument::fromJson(response->readAll()).object();
130 //QString firstItem = jsonObject["assets"].toString();
131 qCDebug(scriptengine) << "first item: " << firstItem;
132 //qCDebug(scriptengine) << "api key: " << authCode;
133 //return arr;
134}
135
136this didn't work either https://stackoverflow.com/a/24966317
137 QScopedPointer<QNetworkAccessManager> manager(new QNetworkAccessManager);
138 QNetworkReply* response = manager->get(QNetworkRequest(url));
139 QObject::connect(manager, &QNetworkAccessManager::finished, [manager, response] {
140 response->deleteLater();
141 manager->deleteLater();
142 if (response->error() != QNetworkReply::NoError) return;
143 QString contentType =
144 response->header(QNetworkRequest::ContentTypeHeader).toString();
145 if (!contentType.contains("charset=utf-8")) {
146 qWarning() << "Content charsets other than utf-8 are not implemented yet.";
147 return;
148 }
149 QString html = QString::fromUtf8(response->readAll());
150 // do something with the data
151 }) && manager.take();
152
153
154or this :( https://stackoverflow.com/questions/39518749/make-get-request-to-web-service-get-json-response-and-update-gui-in-qt
155 qCDebug(scriptengine) << "gonna get assets with " << url;
156 QNetworkAccessManager manager;
157 QNetworkReply* reply = manager.get(QNetworkRequest(url));
158 QObject::connect(&manager, &QNetworkAccessManager::finished,
159 [reply]{
160 qCDebug(scriptengine) << "boo radley";
161 if (reply->error() != QNetworkReply::NoError) {
162 qCDebug(scriptengine) << "Poly API failed to respond";
163 //manager.clearAccessCache();
164 } else {
165 QJsonObject jsonObject = QJsonDocument::fromJson(reply->readAll()).object();
166 QString firstItem = jsonObject["assets"].toString();
167 qCDebug(scriptengine) << "first item: " << firstItem;
168 }
169 reply->deleteLater();
170 });
171
172or this :(( http://blog.mathieu-leplatre.info/access-a-json-webservice-with-qt-c.html
173 //QJsonArray arr;
174 //QJsonObject jsonObject = QJsonDocument::fromJson(response->readAll()).object();
175 //QString firstItem = jsonObject["assets"].toString();
176 qCDebug(scriptengine) << "first item: " << firstItem;
177 //qCDebug(scriptengine) << "api key: " << authCode;
178 //return arr;
179 QNetworkAccessManager manager;
180 QNetworkReply* response = manager.get(QNetworkRequest(url));
181 QObject::connect(&manager, SIGNAL(finished(QNetworkReply*)), this, SLOT(onResult(QNetworkReply*)));
182
183 return "";
184 }
185
186 void GooglePolyScriptingInterface::onResult(QNetworkReply* reply) {
187 if (reply->error() != QNetworkReply::NoError) {
188 qCDebug(scriptengine) << "Poly API failed to respond";
189 return;
190 }
191 QString firstItem = reply->readAll();
192
193 qCDebug(scriptengine) << "first item: " << firstItem;
194 }
195
196*/