src/qasobject.cpp

   1 /*
   2   Copyright 2013-2015 Mats Sjöberg
   3
   4   This file is part of the Pumpa programme.
   5
   6   Pumpa is free software: you can redistribute it and/or modify it
   7   under the terms of the GNU General Public License as published by
   8   the Free Software Foundation, either version 3 of the License, or
   9   (at your option) any later version.
  10
  11   Pumpa is distributed in the hope that it will be useful, but
  12   WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14   General Public License for more details.
  15
  16   You should have received a copy of the GNU General Public License
  17   along with Pumpa.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #include "qasobject.h"
  21
  22 #include "qasactor.h"
  23 #include "qasobjectlist.h"
  24 #include "qasactorlist.h"
  25 #include "util.h"
  26
  27 #include <QDebug>
  28 #include <QList>
  29 #include <QtAlgorithms>
  30 #include <QRegExp>
  31
  32 //------------------------------------------------------------------------------
  33
  34 QMap<QString, QASObject*> QASObject::s_objects;
  35
  36 void QASObject::clearCache() { deleteMap<QASObject*>(s_objects); }
  37
  38 int QASObject::objectsUnconnected() {
  39   int noConnections = 0;
  40   QMap<int, int> hist;
  41   for (QMap<QString, QASObject*>::const_iterator it = s_objects.begin();
  42        it != s_objects.end(); ++it) {
  43     int n = it.value()->connections();
  44     hist[n] = hist.value(n, 0) + 1;
  45     if (n == 0)
  46       noConnections++;
  47   }
  48
  49   qDebug() << "QASObject connections:";
  50   QList<int> keys = hist.keys();
  51   qSort(keys);
  52   for (int i=0; i<keys.count(); ++i) {
  53     const int& k = keys[i];
  54     qDebug() << "   " << k << hist[k];
  55   }
  56
  57   return noConnections;
  58 }
  59
  60 int QASObject::connections() const {
  61   return receivers(SIGNAL(changed()));
  62 }
  63
  64 //------------------------------------------------------------------------------
  65
  66 QASLocation::QASLocation(QObject* parent) :
  67   QObject(parent),
  68   m_latitude(-1.0),
  69   m_longitude(-1.0),
  70   m_hasPosition(false) {}
  71
  72 //------------------------------------------------------------------------------
  73
  74 void QASLocation::update(QVariantMap json) {
  75   bool ch;
  76   QASAbstractObject::updateVar(json, m_displayName, "displayName", ch);
  77
  78   if (json.contains("position"))
  79     updatePosition(json["position"].toMap());
  80   else
  81     updatePosition(json);
  82 }
  83
  84 //------------------------------------------------------------------------------
  85
  86 void QASLocation::updatePosition(QVariantMap json) {
  87   if (json.contains("latitude") && json.contains("longitude")) {
  88     m_hasPosition = true;
  89     bool ch;
  90     QASAbstractObject::updateVar(json, m_longitude, "longitude", ch);
  91     QASAbstractObject::updateVar(json, m_latitude, "latitude", ch);
  92   } else {
  93     m_hasPosition = false;
  94   }
  95 }
  96
  97 //------------------------------------------------------------------------------
  98
  99 QASObject::QASObject(QString id, QObject* parent) :
 100   QASAbstractObject(QAS_OBJECT, parent),
 101   m_id(id),
 102   m_liked(false),
 103   m_shared(false),
 104   m_inReplyTo(NULL),
 105   m_author(NULL),
 106   m_replies(NULL),
 107   m_likes(NULL),
 108   m_shares(NULL),
 109   m_postingActivity(NULL)
 110 {
 111 #ifdef DEBUG_QAS
 112   qDebug() << "new Object" << m_id;
 113 #endif
 114   m_location = new QASLocation(this);
 115 }
 116
 117 //------------------------------------------------------------------------------
 118
 119 void QASObject::update(QVariantMap json, bool ignoreLike) {
 120 #ifdef DEBUG_QAS
 121   qDebug() << "updating Object" << m_id;
 122 #endif
 123   bool ch = false;
 124   bool wasDeleted = isDeleted();
 125
 126   m_json = json;
 127
 128   updateVar(json, m_objectType, "objectType", ch);
 129   updateVar(json, m_url, "url", ch);
 130   updateVar(json, m_content, "content", ch);
 131   if (!ignoreLike)
 132     updateVar(json, m_liked, "liked", ch);
 133   updateVar(json, m_displayName, "displayName", ch);
 134   updateVar(json, m_shared, "pump_io", "shared", ch);
 135
 136   if (m_objectType == "image" && json.contains("image")) {
 137     updateUrlOrProxy(json["image"].toMap(), m_imageUrl, ch);
 138
 139     if (json.contains("fullImage"))
 140       updateVar(json["fullImage"].toMap(), m_fullImageUrl, "url", ch);
 141   }
 142
 143   updateVar(json, m_published, "published", ch);
 144   updateVar(json, m_updated, "updated", ch);
 145   updateVar(json, m_deleted, "deleted", ch);
 146
 147   updateVar(json, m_apiLink, "links", "self", "href", ch);
 148   updateVar(json, m_proxyUrl, "pump_io", "proxyURL", ch);
 149   updateVar(json, m_streamUrl, "stream", "url", ch);
 150   updateVar(json, m_streamUrlProxy, "stream", "pump_io", "proxyURL", ch);
 151
 152   updateVar(json, m_fileUrl, "fileUrl", ch);
 153   updateVar(json, m_mimeType, "mimeType", ch);
 154
 155   if (json.contains("location"))
 156     m_location->update(json["location"].toMap());
 157
 158   if (json.contains("inReplyTo")) {
 159     m_inReplyTo = QASObject::getObject(json["inReplyTo"].toMap(), parent(), true);
 160     //connectSignals(m_inReplyTo, true, true);
 161   }
 162
 163   if (json.contains("author")) {
 164     m_author = QASActor::getActor(json["author"].toMap(), parent());
 165     //connectSignals(m_author);
 166   }
 167
 168   if (json.contains("replies")) {
 169     QVariantMap repliesMap = json["replies"].toMap();
 170
 171     // don't replace a list with an empty one...
 172     size_t rs = repliesMap["items"].toList().size();
 173     if (!m_replies || rs>0) {
 174       m_replies = QASObjectList::getObjectList(repliesMap, parent());
 175       m_replies->isReplies(true);
 176       // connectSignals(m_replies);
 177     }
 178   }
 179
 180   if (json.contains("likes")) {
 181     m_likes = QASActorList::getActorList(json["likes"].toMap(), parent());
 182     connectSignals(m_likes);
 183   }
 184
 185   if (json.contains("shares")) {
 186     m_shares = QASActorList::getActorList(json["shares"].toMap(), parent());
 187     connectSignals(m_shares);
 188   }
 189
 190   if (isDeleted()) {
 191     m_content = "";
 192     m_displayName = "";
 193     if (!wasDeleted)
 194       ch = true;
 195   }
 196
 197   if (ch)
 198     emit changed();
 199 }
 200
 201 //------------------------------------------------------------------------------
 202
 203 QASObject* QASObject::getObject(QVariantMap json, QObject* parent,
 204                                 bool ignoreLike) {
 205   QString id = json["id"].toString();
 206
 207   if (id.isEmpty()) // some objects from Mediagoblin seem to be without "id"
 208     id = json["url"].toString();
 209
 210   if (id.isEmpty()) {
 211     qDebug() << "WARNING: null object";
 212     qDebug() << debugDumpJson(json, "object");
 213     return NULL;
 214   }
 215
 216   if (json["objectType"] == "person")
 217     return QASActor::getActor(json, parent);
 218
 219   QASObject* obj = s_objects.contains(id) ?  s_objects[id] :
 220     new QASObject(id, parent);
 221   s_objects.insert(id, obj);
 222
 223   obj->update(json, ignoreLike);
 224   return obj;
 225 }
 226
 227 //------------------------------------------------------------------------------
 228
 229 void QASObject::addReply(QASObject* obj) {
 230   if (!m_replies) {
 231     m_replies = QASObjectList::initObjectList(id() + "/replies", parent());
 232     m_replies->isReplies(true);
 233     // connectSignals(m_replies);
 234   }
 235   m_replies->addObject(obj);
 236 #ifdef DEBUG_QAS
 237   qDebug() << "addReply" << obj->id() << "to" << id();
 238 #endif
 239   emit changed();
 240 }
 241
 242 //------------------------------------------------------------------------------
 243
 244 void QASObject::toggleLiked() {
 245   m_liked = !m_liked;
 246   emit changed();
 247 }
 248
 249 //------------------------------------------------------------------------------
 250
 251 size_t QASObject::numLikes() const {
 252   return m_likes ? m_likes->size() : 0;
 253 }
 254
 255 //------------------------------------------------------------------------------
 256
 257 void QASObject::addLike(QASActor* actor, bool like) {
 258   if (!m_likes)
 259     return;
 260   if (like)
 261     m_likes->addActor(actor);
 262   else
 263     m_likes->removeActor(actor);
 264 }
 265
 266 //------------------------------------------------------------------------------
 267
 268 void QASObject::addShare(QASActor* actor) {
 269   if (!m_shares)
 270     return;
 271   m_shares->addActor(actor);
 272 }
 273
 274 //------------------------------------------------------------------------------
 275
 276 size_t QASObject::numShares() const {
 277   return m_shares ? m_shares->size() : 0;
 278 }
 279
 280 //------------------------------------------------------------------------------
 281
 282 size_t QASObject::numReplies() const {
 283   return m_replies ? m_replies->size() : 0;
 284 }
 285
 286 //------------------------------------------------------------------------------
 287
 288 QString QASObject::apiLink() const {
 289   return
 290     !m_proxyUrl.isEmpty() ? m_proxyUrl :
 291     !m_apiLink.isEmpty() ? m_apiLink :
 292     m_id;
 293 }
 294
 295 //------------------------------------------------------------------------------
 296
 297 QVariantMap QASObject::toJson() const {
 298   QVariantMap obj;
 299
 300   obj["id"] = m_id;
 301
 302   addVar(obj, m_content, "content");
 303   addVar(obj, m_objectType, "objectType");
 304   addVar(obj, m_url, "url");
 305   addVar(obj, m_displayName, "displayName");
 306   // addVar(obj, m_, "");
 307
 308   return obj;
 309 }
 310
 311 //------------------------------------------------------------------------------
 312
 313 QASActor* QASObject::asActor() {
 314   return qobject_cast<QASActor*>(this);
 315 }
 316
 317 //------------------------------------------------------------------------------
 318
 319 QString QASObject::deletedText() const {
 320   return "<i>[" + QString(tr("Deleted %1")).arg(deletedDate().toString()) +
 321     "]</i>";
 322 }
 323
 324 //------------------------------------------------------------------------------
 325
 326 QString QASObject::content() const {
 327   return isDeleted() ? deletedText() : m_content;
 328 }
 329
 330 //------------------------------------------------------------------------------
 331
 332 QString QASObject::excerpt() const {
 333   if (isDeleted())
 334     return deletedText();
 335
 336   QString text = displayName();
 337   if (text.isEmpty()) {
 338     text = content();
 339   }
 340   if (!text.isEmpty()) {
 341     text.replace(QRegExp(HTML_TAG_REGEX), " ");
 342   } else {
 343     QString t = type();
 344     text = (t == "image" ? "an " : "a ") + t;
 345   }
 346   return text.trimmed();
 347 }
 348