From 6fa1b01f4b77050f5c837fbd8c48130657c09a81 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Antonio=20Ca=C3=B1as=20Vargas?= <acanas@ugr.es>
Date: Sun, 17 Sep 2017 23:37:03 +0200
Subject: [PATCH] Version 17.2.3

---
 icon/usr64x64.png     | Bin 0 -> 1021 bytes
 icon/usr_off64x64.png | Bin 0 -> 959 bytes
 sql/swad.sql          |   3 +-
 swad_agenda.c         |   2 +-
 swad_assignment.c     |   4 +-
 swad_changelog.h      |  12 +-
 swad_database.c       |  36 +++---
 swad_follow.c         |   2 +-
 swad_profile.c        |   4 +-
 swad_project.c        | 257 +++++++++++-------------------------------
 swad_project.h        |  18 ++-
 swad_record.c         |   2 +-
 swad_statistic.c      |   1 -
 swad_text.c           |  69 +++++++++++-
 14 files changed, 174 insertions(+), 236 deletions(-)
 create mode 100644 icon/usr64x64.png
 create mode 100644 icon/usr_off64x64.png

diff --git a/icon/usr64x64.png b/icon/usr64x64.png
new file mode 100644
index 0000000000000000000000000000000000000000..19dacf8d822b230a6da7233aca4b6ee3087cc595
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/icon/usr_off64x64.png b/icon/usr_off64x64.png
new file mode 100644
index 0000000000000000000000000000000000000000..cf04823b04fb06829162b3155187996a486cb478
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/sql/swad.sql b/sql/swad.sql
index 20624fdf..c98b1dde 100644
--- a/sql/swad.sql
+++ b/sql/swad.sql
@@ -943,12 +943,11 @@ CREATE TABLE IF NOT EXISTS projects (
 	PrjCod INT NOT NULL AUTO_INCREMENT,
 	CrsCod INT NOT NULL DEFAULT -1,
 	Hidden ENUM('N','Y') NOT NULL DEFAULT 'N',
-	NumNotif INT NOT NULL DEFAULT 0,
 	UsrCod INT NOT NULL,
 	StartTime DATETIME NOT NULL,
 	EndTime DATETIME NOT NULL,
 	Title VARCHAR(2047) NOT NULL,
-	Folder VARBINARY(255) NOT NULL,
+	Preassigned ENUM('N','Y') NOT NULL DEFAULT 'N',
 	Txt TEXT NOT NULL,
 	UNIQUE INDEX(PrjCod),
 	INDEX(CrsCod,Hidden));
diff --git a/swad_agenda.c b/swad_agenda.c
index 856d5cbe..5e887141 100644
--- a/swad_agenda.c
+++ b/swad_agenda.c
@@ -679,7 +679,7 @@ static void Agd_PutIconsOtherPublicAgenda (void)
 		             &Gbl.Usrs.Other.UsrDat))
       Lay_PutContextualLink (ActSeeOthPubPrf,NULL,
                              Usr_PutParamOtherUsrCodEncrypted,
-			     "usr64x64.gif",
+			     "usr64x64.png",
 			     Txt_Another_user_s_profile,NULL,
 			     NULL);
 
diff --git a/swad_assignment.c b/swad_assignment.c
index b2ba52ef..c8f0237e 100644
--- a/swad_assignment.c
+++ b/swad_assignment.c
@@ -831,7 +831,7 @@ static void Asg_ResetAssignment (struct Assignment *Asg)
    Asg->TimeUTC[Dat_END_TIME  ] = (time_t) 0;
    Asg->Open = false;
    Asg->Title[0] = '\0';
-   Asg->SendWork = false;
+   Asg->SendWork = Asg_DO_NOT_SEND_WORK;
    Asg->Folder[0] = '\0';
    Asg->IBelongToCrsOrGrps = false;
   }
@@ -1145,7 +1145,7 @@ void Asg_RequestCreatOrEditAsg (void)
       Asg.TimeUTC[Dat_END_TIME  ] = Gbl.StartExecutionTimeUTC + (2 * 60 * 60);	// +2 hours
       Asg.Open = true;
       Asg.Title[0] = '\0';
-      Asg.SendWork = false;
+      Asg.SendWork = Asg_DO_NOT_SEND_WORK;
       Asg.Folder[0] = '\0';
       Asg.IBelongToCrsOrGrps = false;
      }
diff --git a/swad_changelog.h b/swad_changelog.h
index c385fba4..e454f724 100644
--- a/swad_changelog.h
+++ b/swad_changelog.h
@@ -252,14 +252,22 @@
 /****************************** Public constants *****************************/
 /*****************************************************************************/
 
-#define Log_PLATFORM_VERSION	"SWAD 17.2.1 (2017-09-17)"
+#define Log_PLATFORM_VERSION	"SWAD 17.2.3 (2017-09-17)"
 #define CSS_FILE		"swad17.0.css"
 #define JS_FILE			"swad16.206.3.js"
 
 // Number of lines (includes comments but not blank lines) has been got with the following command:
 // nl swad*.c swad*.h css/swad*.css py/swad*.py js/swad*.js soap/swad*?.h sql/swad*.sql | tail -1
 /*
-        Version 17.2.2:   Sep 17, 2017	New option for projects. Not finished. (? lines)
+        Version 17.2.3:   Sep 17, 2017	New option for projects. Not finished. (229906 lines)
+					3 changes necessary in database:
+ALTER TABLE projects DROP COLUMN NumNotif;
+ALTER TABLE projects DROP COLUMN Folder;
+ALTER TABLE projects ADD COLUMN Preassigned ENUM('N','Y') NOT NULL DEFAULT 'N' AFTER Title;
+Copy the following icons to icon public directory:
+sudo cp icon/usr64x64.png /var/www/html/swad/icon/
+
+        Version 17.2.2:   Sep 17, 2017	New option for projects. Not finished. (229964 lines)
         Version 17.2.1:   Sep 17, 2017	New option for projects. Not finished. (229884 lines)
         Version 17.2:     Sep 17, 2017	New option for projects. Not finished. (229575 lines)
 					12 changes necessary in database:
diff --git a/swad_database.c b/swad_database.c
index be2f079a..1ad8030d 100644
--- a/swad_database.c
+++ b/swad_database.c
@@ -2004,33 +2004,31 @@ mysql> DESCRIBE prj_grp;
    /***** Table projects *****/
 /*
 mysql> DESCRIBE projects;
-+-----------+----------------+------+-----+---------+----------------+
-| Field     | Type           | Null | Key | Default | Extra          |
-+-----------+----------------+------+-----+---------+----------------+
-| PrjCod    | int(11)        | NO   | PRI | NULL    | auto_increment |
-| CrsCod    | int(11)        | NO   | MUL | -1      |                |
-| Hidden    | enum('N','Y')  | NO   |     | N       |                |
-| NumNotif  | int(11)        | NO   |     | 0       |                |
-| UsrCod    | int(11)        | NO   |     | NULL    |                |
-| StartTime | datetime       | NO   |     | NULL    |                |
-| EndTime   | datetime       | NO   |     | NULL    |                |
-| Title     | varchar(2047)  | NO   |     | NULL    |                |
-| Folder    | varbinary(255) | NO   |     | NULL    |                |
-| Txt       | text           | NO   |     | NULL    |                |
-+-----------+----------------+------+-----+---------+----------------+
-10 rows in set (0,00 sec)
++-------------+---------------+------+-----+---------+----------------+
+| Field       | Type          | Null | Key | Default | Extra          |
++-------------+---------------+------+-----+---------+----------------+
+| PrjCod      | int(11)       | NO   | PRI | NULL    | auto_increment |
+| CrsCod      | int(11)       | NO   | MUL | -1      |                |
+| Hidden      | enum('N','Y') | NO   |     | N       |                |
+| UsrCod      | int(11)       | NO   |     | NULL    |                |
+| StartTime   | datetime      | NO   |     | NULL    |                |
+| EndTime     | datetime      | NO   |     | NULL    |                |
+| Title       | varchar(2047) | NO   |     | NULL    |                |
+| Preassigned | enum('N','Y') | NO   |     | N       |                |
+| Txt         | text          | NO   |     | NULL    |                |
++-------------+---------------+------+-----+---------+----------------+
+9 rows in set (0,00 sec)
 */
    DB_CreateTable ("CREATE TABLE IF NOT EXISTS projects ("
 			"PrjCod INT NOT NULL AUTO_INCREMENT,"
 			"CrsCod INT NOT NULL DEFAULT -1,"
 			"Hidden ENUM('N','Y') NOT NULL DEFAULT 'N',"
-			"NumNotif INT NOT NULL DEFAULT 0,"
 			"UsrCod INT NOT NULL,"
 			"StartTime DATETIME NOT NULL,"
 			"EndTime DATETIME NOT NULL,"
-			"Title VARCHAR(2047) NOT NULL,"		// Prj_MAX_BYTES_ASSIGNMENT_TITLE
-			"Folder VARBINARY(255) NOT NULL,"	// Brw_MAX_BYTES_FOLDER
-			"Txt TEXT NOT NULL,"			// Cns_MAX_BYTES_TEXT
+			"Title VARCHAR(2047) NOT NULL,"				// Prj_MAX_CHARS_PROJECT_TITLE
+			"Preassigned ENUM('N','Y') NOT NULL DEFAULT 'N',"
+			"Txt TEXT NOT NULL,"					// Cns_MAX_BYTES_TEXT
 		   "UNIQUE INDEX(PrjCod),"
 		   "INDEX(CrsCod,Hidden))");
 
diff --git a/swad_follow.c b/swad_follow.c
index a358f1e4..890a6d4c 100644
--- a/swad_follow.c
+++ b/swad_follow.c
@@ -941,7 +941,7 @@ static void Fol_PutInactiveIconToFollowUnfollow (void)
   {
    /***** Inactive icon to follow/unfollow *****/
    fprintf (Gbl.F.Out,"<div class=\"FOLLOW_USR_ICO ICO_HIDDEN\">"
-		      "<img src=\"%s/usr64x64.gif\""
+		      "<img src=\"%s/usr64x64.png\""
 		      " alt=\"\""
 		      " class=\"ICO20x20\" />"
 		      "</div>",
diff --git a/swad_profile.c b/swad_profile.c
index 536e90a3..1f1620b9 100644
--- a/swad_profile.c
+++ b/swad_profile.c
@@ -131,7 +131,7 @@ void Prf_PutLinkMyPublicProfile (void)
    extern const char *Txt_My_public_profile;
 
    Lay_PutContextualLink (ActSeeOthPubPrf,NULL,Usr_PutParamMyUsrCodEncrypted,
-                          "usr64x64.gif",
+                          "usr64x64.png",
                           Txt_My_public_profile,Txt_My_public_profile,
 		          NULL);
   }
@@ -145,7 +145,7 @@ void Prf_PutLinkRequestAnotherUserProfile (void)
    extern const char *Txt_Another_user_s_profile;
 
    Lay_PutContextualLink (ActReqOthPubPrf,NULL,NULL,
-                          "usr64x64.gif",
+                          "usr64x64.png",
                           Txt_Another_user_s_profile,Txt_Another_user_s_profile,
 		          NULL);
   }
diff --git a/swad_project.c b/swad_project.c
index 805e61df..bd532423 100644
--- a/swad_project.c
+++ b/swad_project.c
@@ -74,7 +74,6 @@ static void Prj_PutFormToSelectWhichGroupsToShow (void);
 static void Prj_ParamsWhichGroupsToShow (void);
 static void Prj_ShowOneProject (long PrjCod,bool PrintView);
 static void Prj_WritePrjAuthor (struct Project *Prj);
-static void Prj_WriteProjectFolder (struct Project *Prj,bool PrintView);
 static void Prj_GetParamPrjOrder (void);
 
 static void Prj_PutFormsToRemEditOnePrj (long PrjCod,bool Hidden);
@@ -191,8 +190,7 @@ static void Prj_PutHeadForSeeing (bool PrintView)
    extern const char *Txt_START_END_TIME_HELP[Dat_NUM_START_END_TIME];
    extern const char *Txt_START_END_TIME[Dat_NUM_START_END_TIME];
    extern const char *Txt_Project;
-   extern const char *Txt_Upload_files_QUESTION;
-   extern const char *Txt_Folder;
+   extern const char *Txt_Preassigned_QUESTION;
    Dat_StartEndTime_t Order;
 
    fprintf (Gbl.F.Out,"<tr>"
@@ -230,13 +228,9 @@ static void Prj_PutHeadForSeeing (bool PrintView)
 		      "<th class=\"CENTER_MIDDLE\">"
 		      "%s"
 		      "</th>"
-		      "<th class=\"LEFT_MIDDLE\">"
-		      "%s"
-		      "</th>"
 		      "</tr>",
 	    Txt_Project,
-	    Txt_Upload_files_QUESTION,
-	    Txt_Folder);
+	    Txt_Preassigned_QUESTION);
   }
 
 /*****************************************************************************/
@@ -331,11 +325,11 @@ void Prj_PrintOneProject (void)
 
    /***** Table head *****/
    Tbl_StartTableWideMargin (2);
-   Prj_PutHeadForSeeing (true);		// Print view
+   Prj_PutHeadForSeeing (true);	// Print view
 
    /***** Write project *****/
    Prj_ShowOneProject (PrjCod,
-                          true);	// Print view
+                       true);	// Print view
 
    /***** End table *****/
    Tbl_EndTable ();
@@ -348,7 +342,7 @@ void Prj_PrintOneProject (void)
 static void Prj_ShowOneProject (long PrjCod,bool PrintView)
   {
    extern const char *Txt_Today;
-   extern const char *Txt_ASSIGNMENT_TYPES[Prj_NUM_TYPES_SEND_WORK];
+   extern const char *Txt_PREASSIGNED_TYPES[Prj_NUM_TYPES_PREASSIGNED];
    extern const char *Txt_Yes;
    extern const char *Txt_No;
    static unsigned UniqueId = 0;
@@ -421,34 +415,25 @@ static void Prj_ShowOneProject (long PrjCod,bool PrintView)
             Prj.Title);
    fprintf (Gbl.F.Out,"</td>");
 
-   /* Send work? */
+   /* Preassigned? */
    fprintf (Gbl.F.Out,"<td class=\"%s CENTER_TOP",
-            (Prj.SendWork == Prj_SEND_WORK) ? "DAT_N" :
-        	                              "DAT");
+            (Prj.Preassigned == Prj_PREASSIGNED) ? "DAT_N" :
+        	                                   "DAT");
    if (!PrintView)
       fprintf (Gbl.F.Out," COLOR%u",Gbl.RowEvenOdd);
    fprintf (Gbl.F.Out,"\">"
-                      "<img src=\"%s/%s16x16.gif\""
+                      "<img src=\"%s/%s64x64.png\""
                       " alt=\"%s\" title=\"%s\" class=\"ICO20x20\" />"
                       "<br />%s"
-                      "</td>",
+                      "</td>"
+                      "</tr>",
             Gbl.Prefs.IconsURL,
-            (Prj.SendWork == Prj_SEND_WORK) ? "file_on" :
-        	                              "file_off",
-            Txt_ASSIGNMENT_TYPES[Prj.SendWork],
-            Txt_ASSIGNMENT_TYPES[Prj.SendWork],
-            (Prj.SendWork == Prj_SEND_WORK) ? Txt_Yes :
-        	                              Txt_No);
-
-   /* Project folder */
-   fprintf (Gbl.F.Out,"<td class=\"DAT LEFT_TOP");
-   if (!PrintView)
-      fprintf (Gbl.F.Out," COLOR%u",Gbl.RowEvenOdd);
-   fprintf (Gbl.F.Out,"\">");
-   if (Prj.SendWork == Prj_SEND_WORK)
-      Prj_WriteProjectFolder (&Prj,PrintView);
-   fprintf (Gbl.F.Out,"</td>"
-	              "</tr>");
+            (Prj.Preassigned == Prj_PREASSIGNED) ? "usr" :
+        	                                   "usr_off",
+            Txt_PREASSIGNED_TYPES[Prj.Preassigned],
+            Txt_PREASSIGNED_TYPES[Prj.Preassigned],
+            (Prj.Preassigned == Prj_PREASSIGNED) ? Txt_Yes :
+        	                                   Txt_No);
 
    /***** Write second row of data of this project *****/
    fprintf (Gbl.F.Out,"<tr>"
@@ -467,7 +452,7 @@ static void Prj_ShowOneProject (long PrjCod,bool PrintView)
    Str_ChangeFormat (Str_FROM_HTML,Str_TO_RIGOROUS_HTML,
                      Txt,Cns_MAX_BYTES_TEXT,false);	// Convert from HTML to recpectful HTML
    Str_InsertLinks (Txt,Cns_MAX_BYTES_TEXT,60);	// Insert links
-   fprintf (Gbl.F.Out,"<td colspan=\"3\" class=\"LEFT_TOP");
+   fprintf (Gbl.F.Out,"<td colspan=\"2\" class=\"LEFT_TOP");
    if (!PrintView)
       fprintf (Gbl.F.Out," COLOR%u",Gbl.RowEvenOdd);
    fprintf (Gbl.F.Out,"\">");
@@ -496,51 +481,6 @@ static void Prj_WritePrjAuthor (struct Project *Prj)
    Usr_WriteAuthor1Line (Prj->UsrCod,Prj->Hidden);
   }
 
-/*****************************************************************************/
-/*********************** Write the folder of a project ***********************/
-/*****************************************************************************/
-
-static void Prj_WriteProjectFolder (struct Project *Prj,bool PrintView)
-  {
-   extern const char *Txt_Upload_file_or_create_folder_in_FOLDER;
-   extern const char *Txt_Folder;
-   bool ICanSendFiles = !Prj->Hidden &&				// It's visible (not hidden)
-                        Prj->Open &&				// It's open (inside dates)
-                        Prj->IBelongToCrsOrGrps &&		// I belong to course or groups
-                        Gbl.Usrs.Me.Role.Logged == Rol_STD;	// I am a student
-
-   /***** Folder icon *****/
-   if (!PrintView &&	// Not print view
-       ICanSendFiles)	// I can send files to this project folder
-     {
-      /* Form to create a new file or folder */
-      Act_FormStart (ActFrmCreAsgUsr);	// TODO: Remove this feature
-      Brw_PutParamsFileBrowser (ActUnk,
-				Brw_INTERNAL_NAME_ROOT_FOLDER_ASSIGNMENTS,
-				Prj->Folder,
-				Brw_IS_FOLDER,-1L);
-      sprintf (Gbl.Title,Txt_Upload_file_or_create_folder_in_FOLDER,
-	       Prj->Folder);
-      fprintf (Gbl.F.Out,"<input type=\"image\""
-			 " src=\"%s/folder-open-plus16x16.gif\""
-			 " alt=\"%s\" title=\"%s\" class=\"ICO20x20\" />",
-	       Gbl.Prefs.IconsURL,
-	       Gbl.Title,
-	       Gbl.Title);
-      Act_FormEnd ();
-     }
-   else				// I can't send files to this project folder
-      fprintf (Gbl.F.Out,"<img src=\"%s/%s\" alt=\"%s\" title=\"%s\""
-	                 " class=\"ICO20x20\" />",
-	       Gbl.Prefs.IconsURL,
-	       ICanSendFiles ? "folder-open16x16.gif" :
-		               "folder-closed16x16.gif",
-	       Txt_Folder,Txt_Folder);
-
-   /***** Folder name *****/
-   fprintf (Gbl.F.Out,"%s",Prj->Folder);
-  }
-
 /*****************************************************************************/
 /********* Get parameter with the type or order in list of projects **********/
 /*****************************************************************************/
@@ -710,7 +650,7 @@ void Prj_GetDataOfProjectByCod (struct Project *Prj)
 		     "UNIX_TIMESTAMP(StartTime),"
 		     "UNIX_TIMESTAMP(EndTime),"
 		     "NOW() BETWEEN StartTime AND EndTime,"
-		     "Title,Folder"
+		     "Title,Preassigned"
 		     " FROM projects"
 		     " WHERE PrjCod=%ld AND CrsCod=%ld",
 	       Prj->PrjCod,Gbl.CurrentCrs.Crs.CrsCod);
@@ -726,37 +666,6 @@ void Prj_GetDataOfProjectByCod (struct Project *Prj)
      }
   }
 
-/*****************************************************************************/
-/***************** Get project data using its folder name ********************/
-/*****************************************************************************/
-
-void Prj_GetDataOfProjectByFolder (struct Project *Prj)
-  {
-   char Query[1024 + Brw_MAX_BYTES_FOLDER];
-
-   if (Prj->Folder[0])
-     {
-      /***** Query database *****/
-      sprintf (Query,"SELECT PrjCod,Hidden,UsrCod,"
-		     "UNIX_TIMESTAMP(StartTime),"
-		     "UNIX_TIMESTAMP(EndTime),"
-		     "NOW() BETWEEN StartTime AND EndTime,"
-		     "Title,Folder"
-		     " FROM projects"
-		     " WHERE CrsCod=%ld AND Folder='%s'",
-	       Gbl.CurrentCrs.Crs.CrsCod,Prj->Folder);
-
-      /***** Get data of project *****/
-      Prj_GetDataOfProject (Prj,Query);
-     }
-   else
-     {
-      /***** Clear all project data *****/
-      Prj->PrjCod = -1L;
-      Prj_ResetProject (Prj);
-     }
-  }
-
 /*****************************************************************************/
 /**************************** Get project data *******************************/
 /*****************************************************************************/
@@ -795,12 +704,11 @@ static void Prj_GetDataOfProject (struct Project *Prj,const char *Query)
 
       /* Get the title of the project (row[6]) */
       Str_Copy (Prj->Title,row[6],
-                Prj_MAX_BYTES_ASSIGNMENT_TITLE);
+                Prj_MAX_BYTES_PROJECT_TITLE);
 
       /* Get the folder for the project files (row[7]) */
-      Str_Copy (Prj->Folder,row[7],
-                Brw_MAX_BYTES_FOLDER);
-      Prj->SendWork = (Prj->Folder[0] != '\0');
+      Prj->Preassigned = (row[7][0] == 'Y') ? Prj_PREASSIGNED :
+	                                      Prj_NOT_PREASSIGNED;
 
       /* Can I do this project? */
       Prj->IBelongToCrsOrGrps = Prj_CheckIfIBelongToCrsOrGrpsThisProject (Prj->PrjCod);
@@ -825,8 +733,7 @@ static void Prj_ResetProject (struct Project *Prj)
    Prj->TimeUTC[Dat_END_TIME  ] = (time_t) 0;
    Prj->Open = false;
    Prj->Title[0] = '\0';
-   Prj->SendWork = false;
-   Prj->Folder[0] = '\0';
+   Prj->Preassigned = Prj_NOT_PREASSIGNED;
    Prj->IBelongToCrsOrGrps = false;
   }
 
@@ -951,10 +858,6 @@ void Prj_RemoveProject (void)
    /***** Get data of the project from database *****/
    Prj_GetDataOfProjectByCod (&Prj);	// Inside this function, the course is checked to be the current one
 
-   /***** Remove all the folders associated to this project *****/
-   if (Prj.Folder[0])
-      Brw_RemoveFoldersAssignmentsIfExistForAllUsrs (Prj.Folder);
-
    /***** Remove all the groups of this project *****/
    Prj_RemoveAllTheGrpsAssociatedToAProject (Prj.PrjCod);
 
@@ -1043,7 +946,7 @@ void Prj_ShowProject (void)
 
 static bool Prj_CheckIfSimilarProjectsExists (const char *Field,const char *Value,long PrjCod)
   {
-   char Query[256 + Prj_MAX_BYTES_ASSIGNMENT_TITLE];
+   char Query[256 + Prj_MAX_BYTES_PROJECT_TITLE];
 
    /***** Get number of projects with a field value from database *****/
    sprintf (Query,"SELECT COUNT(*) FROM projects"
@@ -1064,8 +967,9 @@ void Prj_RequestCreatOrEditPrj (void)
    extern const char *Txt_New_project;
    extern const char *Txt_Edit_project;
    extern const char *Txt_Title;
-   extern const char *Txt_Upload_files_QUESTION;
-   extern const char *Txt_Folder;
+   extern const char *Txt_Preassigned_QUESTION;
+   extern const char *Txt_No;
+   extern const char *Txt_Yes;
    extern const char *Txt_Description;
    extern const char *Txt_Create_project;
    extern const char *Txt_Save;
@@ -1090,8 +994,7 @@ void Prj_RequestCreatOrEditPrj (void)
       Prj.TimeUTC[Dat_END_TIME  ] = Gbl.StartExecutionTimeUTC + (2 * 60 * 60);	// +2 hours
       Prj.Open = true;
       Prj.Title[0] = '\0';
-      Prj.SendWork = false;
-      Prj.Folder[0] = '\0';
+      Prj.Preassigned = Prj_NOT_PREASSIGNED;
       Prj.IBelongToCrsOrGrps = false;
      }
    else
@@ -1136,27 +1039,34 @@ void Prj_RequestCreatOrEditPrj (void)
                       "</td>"
                       "</tr>",
             The_ClassForm[Gbl.Prefs.Theme],Txt_Title,
-            Prj_MAX_CHARS_ASSIGNMENT_TITLE,Prj.Title);
+            Prj_MAX_CHARS_PROJECT_TITLE,Prj.Title);
 
    /***** Project start and end dates *****/
    Dat_PutFormStartEndClientLocalDateTimes (Prj.TimeUTC,Dat_FORM_SECONDS_ON);
 
-   /***** Send work? *****/
+   /***** Preassigned? *****/
    fprintf (Gbl.F.Out,"<tr>"
 	              "<td class=\"%s RIGHT_MIDDLE\">"
 	              "%s:"
 	              "</td>"
                       "<td class=\"LEFT_MIDDLE\">"
-	              "<label class=\"DAT\">%s:"
-                      "<input type=\"text\" name=\"Folder\""
-                      " size=\"30\" maxlength=\"%u\" value=\"%s\" />"
-                      "</label>"
-                      "</td>"
-                      "</tr>",
+                      "<select name=\"Preassigned\">",
             The_ClassForm[Gbl.Prefs.Theme],
-            Txt_Upload_files_QUESTION,
-            Txt_Folder,
-            Brw_MAX_CHARS_FOLDER,Prj.Folder);
+            Txt_Preassigned_QUESTION);
+
+   fprintf (Gbl.F.Out,"<option value=\"N\"");
+   if (Prj.Preassigned == Prj_NOT_PREASSIGNED)
+      fprintf (Gbl.F.Out," selected=\"selected\"");
+   fprintf (Gbl.F.Out,">%s</option>",Txt_No);
+
+   fprintf (Gbl.F.Out,"<option value=\"Y\"");
+   if (Prj.Preassigned == Prj_PREASSIGNED)
+      fprintf (Gbl.F.Out," selected=\"selected\"");
+   fprintf (Gbl.F.Out,">%s</option>",Txt_Yes);
+
+   fprintf (Gbl.F.Out,"</select>"
+	              "</td>"
+                      "</tr>");
 
    /***** Project text *****/
    fprintf (Gbl.F.Out,"<tr>"
@@ -1256,11 +1166,9 @@ static void Prj_ShowLstGrpsToEditProject (long PrjCod)
 void Prj_RecFormProject (void)
   {
    extern const char *Txt_Already_existed_a_project_with_the_title_X;
-   extern const char *Txt_Already_existed_a_project_with_the_folder_X;
    extern const char *Txt_You_must_specify_the_title_of_the_project;
    extern const char *Txt_Created_new_project_X;
    extern const char *Txt_The_project_has_been_modified;
-   extern const char *Txt_You_can_not_disable_file_uploading_once_folders_have_been_created;
    struct Project OldPrj;	// Current assigment data in database
    struct Project NewPrj;	// Project data received from form
    bool ItsANewProject;
@@ -1289,12 +1197,11 @@ void Prj_RecFormProject (void)
    NewPrj.TimeUTC[Dat_END_TIME  ] = Dat_GetTimeUTCFromForm ("EndTimeUTC"  );
 
    /***** Get project title *****/
-   Par_GetParToText ("Title",NewPrj.Title,Prj_MAX_BYTES_ASSIGNMENT_TITLE);
+   Par_GetParToText ("Title",NewPrj.Title,Prj_MAX_BYTES_PROJECT_TITLE);
 
    /***** Get folder name where to send works of the project *****/
-   Par_GetParToText ("Folder",NewPrj.Folder,Brw_MAX_BYTES_FOLDER);
-   NewPrj.SendWork = (NewPrj.Folder[0]) ? Prj_SEND_WORK :
-	                                  Prj_DO_NOT_SEND_WORK;
+   NewPrj.Preassigned = (Par_GetParToBool ("Preassigned")) ? Prj_PREASSIGNED :
+	                                                     Prj_NOT_PREASSIGNED;
 
    /***** Get project text *****/
    Par_GetParToHTML ("Txt",Txt,Cns_MAX_BYTES_TEXT);	// Store in HTML format (not rigorous)
@@ -1316,38 +1223,6 @@ void Prj_RecFormProject (void)
                   NewPrj.Title);
          Ale_ShowAlert (Ale_WARNING,Gbl.Alert.Txt);
         }
-      else	// Title is correct
-        {
-         if (NewPrj.SendWork == Prj_SEND_WORK)
-           {
-            if (Str_ConvertFilFolLnkNameToValid (NewPrj.Folder))	// If folder name is valid...
-              {
-               if (Prj_CheckIfSimilarProjectsExists ("Folder",NewPrj.Folder,NewPrj.PrjCod))	// If folder of project was in database...
-                 {
-                  NewProjectIsCorrect = false;
-                  sprintf (Gbl.Alert.Txt,Txt_Already_existed_a_project_with_the_folder_X,
-                           NewPrj.Folder);
-                  Ale_ShowAlert (Ale_WARNING,Gbl.Alert.Txt);
-                 }
-              }
-            else	// Folder name not valid
-              {
-               NewProjectIsCorrect = false;
-               Ale_ShowAlert (Ale_WARNING,Gbl.Alert.Txt);
-              }
-           }
-         else	// NewPrj.SendWork == Prj_DO_NOT_SEND_WORK
-           {
-            if (OldPrj.SendWork == Prj_SEND_WORK)
-              {
-               if (Brw_CheckIfExistsFolderAssigmentForAnyUsr (OldPrj.Folder))
-                 {
-                  NewProjectIsCorrect = false;
-                  Ale_ShowAlert (Ale_WARNING,Txt_You_can_not_disable_file_uploading_once_folders_have_been_created);
-                 }
-              }
-           }
-        }
      }
    else	// If there is not a project title
      {
@@ -1369,19 +1244,13 @@ void Prj_RecFormProject (void)
 	 sprintf (Gbl.Alert.Txt,Txt_Created_new_project_X,NewPrj.Title);
 	 Ale_ShowAlert (Ale_SUCCESS,Gbl.Alert.Txt);
 	}
-      else
-        {
-         if (OldPrj.Folder[0] && NewPrj.Folder[0])
-            if (strcmp (OldPrj.Folder,NewPrj.Folder))	// Folder name has changed
-               NewProjectIsCorrect = Brw_UpdateFoldersAssigmentsIfExistForAllUsrs (OldPrj.Folder,NewPrj.Folder);
-         if (NewProjectIsCorrect)
-           {
-            Prj_UpdateProject (&NewPrj,Txt);
+      else if (NewProjectIsCorrect)
+	{
+	 Prj_UpdateProject (&NewPrj,Txt);
 
-	    /***** Write success message *****/
-	    Ale_ShowAlert (Ale_SUCCESS,Txt_The_project_has_been_modified);
-           }
-        }
+	 /***** Write success message *****/
+	 Ale_ShowAlert (Ale_SUCCESS,Txt_The_project_has_been_modified);
+	}
 
       /* Free memory for list of selected groups */
       Grp_FreeListCodSelectedGrps ();
@@ -1401,21 +1270,22 @@ void Prj_RecFormProject (void)
 static void Prj_CreateProject (struct Project *Prj,const char *Txt)
   {
    char Query[1024 +
-              Prj_MAX_BYTES_ASSIGNMENT_TITLE +
+              Prj_MAX_BYTES_PROJECT_TITLE +
               Cns_MAX_BYTES_TEXT];
 
    /***** Create a new project *****/
    sprintf (Query,"INSERT INTO projects"
-	          " (CrsCod,UsrCod,StartTime,EndTime,Title,Folder,Txt)"
+	          " (CrsCod,UsrCod,StartTime,EndTime,Title,Preassigned,Txt)"
                   " VALUES"
                   " (%ld,%ld,FROM_UNIXTIME(%ld),FROM_UNIXTIME(%ld),"
-                  "'%s','%s','%s')",
+                  "'%s','%c','%s')",
             Gbl.CurrentCrs.Crs.CrsCod,
             Gbl.Usrs.Me.UsrDat.UsrCod,
             Prj->TimeUTC[Dat_START_TIME],
             Prj->TimeUTC[Dat_END_TIME  ],
             Prj->Title,
-            Prj->Folder,
+            Prj->Preassigned == Prj_PREASSIGNED ? 'Y' :
+        	                                  'N',
             Txt);
    Prj->PrjCod = DB_QueryINSERTandReturnCode (Query,"can not create new project");
 
@@ -1431,19 +1301,20 @@ static void Prj_CreateProject (struct Project *Prj,const char *Txt)
 static void Prj_UpdateProject (struct Project *Prj,const char *Txt)
   {
    char Query[1024 +
-              Prj_MAX_BYTES_ASSIGNMENT_TITLE +
+              Prj_MAX_BYTES_PROJECT_TITLE +
               Cns_MAX_BYTES_TEXT];
 
    /***** Update the data of the project *****/
    sprintf (Query,"UPDATE projects SET "
 	          "StartTime=FROM_UNIXTIME(%ld),"
 	          "EndTime=FROM_UNIXTIME(%ld),"
-                  "Title='%s',Folder='%s',Txt='%s'"
+                  "Title='%s',Preassigned='%c',Txt='%s'"
                   " WHERE PrjCod=%ld AND CrsCod=%ld",
             Prj->TimeUTC[Dat_START_TIME],
             Prj->TimeUTC[Dat_END_TIME  ],
             Prj->Title,
-            Prj->Folder,
+            Prj->Preassigned == Prj_PREASSIGNED ? 'Y' :
+        	                                  'N',
             Txt,
             Prj->PrjCod,Gbl.CurrentCrs.Crs.CrsCod);
    DB_QueryUPDATE (Query,"can not update project");
diff --git a/swad_project.h b/swad_project.h
index dbcdb4ef..0ff8662c 100644
--- a/swad_project.h
+++ b/swad_project.h
@@ -36,15 +36,15 @@
 /************************** Public types and constants ***********************/
 /*****************************************************************************/
 
-#define Prj_MAX_CHARS_ASSIGNMENT_TITLE	(128 - 1)	// 127
-#define Prj_MAX_BYTES_ASSIGNMENT_TITLE	((Prj_MAX_CHARS_ASSIGNMENT_TITLE + 1) * Str_MAX_BYTES_PER_CHAR - 1)	// 2047
+#define Prj_MAX_CHARS_PROJECT_TITLE	(128 - 1)	// 127
+#define Prj_MAX_BYTES_PROJECT_TITLE	((Prj_MAX_CHARS_PROJECT_TITLE + 1) * Str_MAX_BYTES_PER_CHAR - 1)	// 2047
 
-#define Prj_NUM_TYPES_SEND_WORK 2
+#define Prj_NUM_TYPES_PREASSIGNED 2
 typedef enum
   {
-   Prj_DO_NOT_SEND_WORK = 0,
-   Prj_SEND_WORK        = 1,
-  } Prj_SendWork_t;
+   Prj_NOT_PREASSIGNED = 0,
+   Prj_PREASSIGNED     = 1,
+  } Prj_Preassigned_t;
 
 struct Project
   {
@@ -53,9 +53,8 @@ struct Project
    long UsrCod;
    time_t TimeUTC[Dat_NUM_START_END_TIME];
    bool Open;
-   char Title[Prj_MAX_BYTES_ASSIGNMENT_TITLE + 1];
-   Prj_SendWork_t SendWork;
-   char Folder[Brw_MAX_BYTES_FOLDER + 1];
+   char Title[Prj_MAX_BYTES_PROJECT_TITLE + 1];
+   Prj_Preassigned_t Preassigned;
    bool IBelongToCrsOrGrps;	// I can do this assignment
 				// (it is associated to no groups
 				// or, if associated to groups,
@@ -75,7 +74,6 @@ void Prj_PutHiddenParamPrjOrder (void);
 void Prj_RequestCreatOrEditPrj (void);
 void Prj_GetListProjects (void);
 void Prj_GetDataOfProjectByCod (struct Project *Prj);
-void Prj_GetDataOfProjectByFolder (struct Project *Prj);
 void Prj_FreeListProjects (void);
 
 long Prj_GetParamPrjCod (void);
diff --git a/swad_record.c b/swad_record.c
index 9d5d63c2..cfb6bf73 100644
--- a/swad_record.c
+++ b/swad_record.c
@@ -2570,7 +2570,7 @@ static void Rec_PutIconsCommands (void)
          /***** Button to view user's profile *****/
          Lay_PutContextualLink (ActSeeOthPubPrf,NULL,
 			        Rec_PutParamUsrCodEncrypted,
-				"usr64x64.gif",
+				"usr64x64.png",
 				ItsMe ? Txt_My_public_profile :
 			                Txt_Another_user_s_profile,NULL,
 				NULL);
diff --git a/swad_statistic.c b/swad_statistic.c
index d23ca46a..df7307d3 100644
--- a/swad_statistic.c
+++ b/swad_statistic.c
@@ -7025,7 +7025,6 @@ static void Sta_GetAndShowGamesStats (void)
    extern const char *Txt_Number_of_BR_courses_with_BR_games;
    extern const char *Txt_Average_number_BR_of_games_BR_per_course;
    unsigned NumGames;
-   unsigned NumNotif;
    unsigned NumCoursesWithGames = 0;
    float NumGamesPerCourse = 0.0;
 
diff --git a/swad_text.c b/swad_text.c
index 94cdbdd5..27b94927 100644
--- a/swad_text.c
+++ b/swad_text.c
@@ -83,6 +83,7 @@
 #include "swad_menu.h"
 #include "swad_notification.h"
 #include "swad_photo.h"
+#include "swad_project.h"
 #include "swad_QR.h"
 #include "swad_record.h"
 #include "swad_social.h"
@@ -30409,6 +30410,70 @@ const char *Txt_Post_unbanned =
 	"Post unbanned.";		// Necessita de tradução
 #endif
 
+const char *Txt_Preassigned_QUESTION =
+#if   L==1
+	"Preassignat?";
+#elif L==2
+	"Vorzugeordnet?";
+#elif L==3
+	"Preassigned?";
+#elif L==4
+	"&iquest;Preasignado?";
+#elif L==5
+	"Pr&eacute;assign&eacute;?";
+#elif L==6
+	"&iquest;Preasignado?";	// Okoteve traducción
+#elif L==7
+	"Preassegnato?";
+#elif L==8
+	"Zadany?";
+#elif L==9
+	"Pr&eacute;-atribu&iacute;do?";
+#endif
+
+const char *Txt_PREASSIGNED_TYPES[Prj_NUM_TYPES_PREASSIGNED] =
+	{
+#if   L==1
+	"No preassignat"
+#elif L==2
+	"Nicht vorzugeordnet"
+#elif L==3
+	"Not preassigned"
+#elif L==4
+	"No preasignado"
+#elif L==5
+	"Non pr&eacute;assign&eacute;"
+#elif L==6
+	"No preasignado"	// Okoteve traducción
+#elif L==7
+	"Non preassegnato"
+#elif L==8
+	"Nieprzypisane"
+#elif L==9
+	"N&atilde;o pr&eacute;-atribu&iacute;do"
+#endif
+	,
+#if   L==1
+	"Preassignat"
+#elif L==2
+	"Vorzugeordnet"
+#elif L==3
+	"Preassigned"
+#elif L==4
+	"Preasignado"
+#elif L==5
+	"Pr&eacute;assign&eacute;"
+#elif L==6
+	"Preasignado"	// Okoteve traducción
+#elif L==7
+	"Preassegnato"
+#elif L==8
+	"Zadany"
+#elif L==9
+	"Pr&eacute;-atribu&iacute;do"
+#endif
+	};
+
 const char *Txt_Preferences =
 #if   L==1
 	"Prefer&egrave;ncies";
@@ -46511,7 +46576,7 @@ const char *Txt_The_project_has_been_modified =
 #elif L==3
 	"The project has been modified.";
 #elif L==4
-	"Le projet ha sido modificado.";
+	"El proyecto ha sido modificado.";
 #elif L==5
 	"Le projet a &eacute;t&eacute; modifi&eacute;.";
 #elif L==6
@@ -52569,7 +52634,7 @@ const char *Txt_Welcome_X_and_happy_birthday[Usr_NUM_SEXS] =	// Warning: it is v
 
 const char *Txt_What_would_you_like_to_do =
 #if   L==1
-	"Qu&egrave; voleu fer?";
+	"&iquest;Qu&egrave; voleu fer?";
 #elif L==2
 	"Was w&uuml;rden Sie tun?";
 #elif L==3