Merge branch 'dd_msg_reader_permission_check_optimizations' into 'master'

DD Msg Reader: Permission check optimizations

See merge request main/sbbs!346

xtrn/DDMsgReader/DDMsgReader.js

@@ -172,11 +172,6 @@
 "use strict";
-// TODO: To make the new-to-you scan faster, Digital Man said checking messagebase.last_msg against the user's new
-// scan pointer for that sub is the optimization to do
-
-// TODO: In the message list, add the ability to search with / similar to my area chooser.
-
 /* Command-line arguments (in -arg=val format, or -arg format to enable an
    option):
@@ -8877,7 +8872,11 @@ function DigDistMsgReader_EditExistingMessageOldWay(pMsgbase, pOrigMsgHdr, pMsgI
 // their last message).
 function DigDistMsgReader_CanDelete()
 {
+	// Deleting messages is allowed if the user is the sysop or reading personal email.
+	// If not, check the sub-board configuration.
 	var canDelete = user.is_sysop || this.readingPersonalEmail;
+	if (!canDelete)
+	{
 		var msgbase = new MsgBase(this.subBoardCode);
 		if (msgbase.open())
 		{
@@ -8885,13 +8884,17 @@ function DigDistMsgReader_CanDelete()
 				canDelete = canDelete || ((msgbase.cfg.settings & SUB_DEL) == SUB_DEL);
 			msgbase.close();
 		}
+	}
 	return canDelete;
 }
 // For the DigDistMsgReader Class: Returns whether or not the user can delete
 // the last message they posted in the sub-board.
 function DigDistMsgReader_CanDeleteLastMsg()
 {
+	// Sysops can delete the last message by default. If not, check the sub-board configuration.
 	var canDelete = user.is_sysop;
+	if (!canDelete)
+	{
 		var msgbase = new MsgBase(this.subBoardCode);
 		if (msgbase.open())
 		{
@@ -8899,13 +8902,17 @@ function DigDistMsgReader_CanDeleteLastMsg()
 				canDelete = canDelete || ((msgbase.cfg.settings & SUB_DELLAST) == SUB_DELLAST);
 			msgbase.close();
 		}
+	}
 	return canDelete;
 }
 // For the DigDistMsgReader Class: Returns whether or not the user can edit
 // messages.
 function DigDistMsgReader_CanEdit()
 {
+	// Sysops can edit by default. If not, check the sub-board configuration.
 	var canEdit = user.is_sysop;
+	if (!canEdit)
+	{
 		var msgbase = new MsgBase(this.subBoardCode);
 		if (msgbase.open())
 		{
@@ -8913,13 +8920,18 @@ function DigDistMsgReader_CanEdit()
 				canEdit = canEdit || ((msgbase.cfg.settings & SUB_EDIT) == SUB_EDIT);
 			msgbase.close();
 		}
+	}
 	return canEdit;
 }
 // For the DigDistMsgReader Class: Returns whether or not message quoting
 // is enabled.
 function DigDistMsgReader_CanQuote()
 {
+	// Sysops and users reading personal email can quote by default.
+	// If not, check the sub-board configuration.
 	var canQuote = this.readingPersonalEmail || user.is_sysop;
+	if (!canQuote)
+	{
 		var msgbase = new MsgBase(this.subBoardCode);
 		if (msgbase.open())
 		{
@@ -8927,6 +8939,7 @@ function DigDistMsgReader_CanQuote()
 				canQuote = canQuote || ((msgbase.cfg.settings & SUB_QUOTE) == SUB_QUOTE);
 			msgbase.close();
 		}
+	}
 	return canQuote;
 }