implement leavegroup

src/twister.cpp

@@ -1127,7 +1127,7 @@ void storeGroupDM(const string &groupAlias, const StoredDirectMsg &stoDM)
     GroupChat &group = m_groups[groupAlias];
 
     BOOST_FOREACH(string const &member, group.m_members) {
-        if( m_users.count(member) ) {
+        if( m_users.count(member) && !m_users.at(member).m_ignoreGroups.count(groupAlias) ) {
             storeNewDM(member,groupAlias,stoDM);
         }
     }
@@ -3579,10 +3579,10 @@ Value newgroupdescription(const Array& params, bool fHelp)
 
 Value leavegroup(const Array& params, bool fHelp)
 {
-    if (fHelp || params.size() != 4 )
+    if (fHelp || params.size() != 2 )
         throw runtime_error(
             "leavegroup <username> <groupalias>\n"
-            "Stop receive chats from group");
+            "Stop receiving chats from group");
 
     string strUser        = params[0].get_str();
     string strGroupAlias  = params[1].get_str();
@@ -3594,12 +3594,8 @@ Value leavegroup(const Array& params, bool fHelp)
     if (!m_users.count(strUser))
         throw JSONRPCError(RPC_INTERNAL_ERROR, "unknown user");
 
-    throw JSONRPCError(RPC_INTERNAL_ERROR, "not implemented");
-    /*
-     * The idea is to remove strGroupAlias from m_users[strUser].m_directmsg and
-     * also add strGroupAlias to a m_users[strUser].m_ignoreGroups list to prevent
-     * being invited again. however how would one revert a leavegroup?
-     */
+    m_users[strUser].m_directmsg.erase(strGroupAlias);
+    m_users[strUser].m_ignoreGroups.insert(strGroupAlias);
 
     return Value();
 }

src/twister_utils.cpp

@@ -174,6 +174,14 @@ int saveUserData(std::string const& filename, std::map<std::string,UserData> con
                 }
             }
         }
+
+        if( udata.m_ignoreGroups.size() ) {
+            entry &userData = userDict[i->first];
+            entry &ignoreGroupsList = userData["ignore_groups"];
+            BOOST_FOREACH( std::string const &n, udata.m_ignoreGroups) {
+                ignoreGroupsList.list().push_back(n);
+            }
+        }
     }
 
     std::vector<char> buf;
@@ -252,6 +260,16 @@ int loadUserData(std::string const& filename, std::map<std::string,UserData> &us
                         }
                     }
                 }
+
+                const lazy_entry *ignoreGroupsList = userData->dict_find("ignore_groups");
+                if( ignoreGroupsList ) {
+                    if( ignoreGroupsList->type() != lazy_entry::list_t ) goto data_error;
+
+                    for( int j = 0; j < ignoreGroupsList->list_size(); j++ ) {
+                        udata.m_ignoreGroups.insert( ignoreGroupsList->list_string_value_at(j) );
+                    }
+                }
+
                 users[userDict.dict_at(i).first] = udata;
             }
             return 0;

src/twister_utils.h

@@ -33,6 +33,8 @@ struct UserData {
     std::set<std::string> m_mentionsKeys;
     // known posts mentioning this user (by users in m_following)
     std::vector<libtorrent::entry> m_mentionsPosts;
+    // group chats to ignore
+    std::set<std::string> m_ignoreGroups;
 };