#!perl
################################################################################
# WeBWorK mod_perl (c) 1995-2002 WeBWorK Team, Univeristy of Rochester
# $Id: global.conf.dist,v 1.18 2003-04-23 06:35:06 sh002i Exp $
################################################################################

# This file is used to set up the default WeBWorK course environment for all
# requests. Values may be overwritten by the course.conf for a specific course.
# All package variables set in this file are added to the course environment.
# If you wish to set a variable here but omit it from the course environment,
# use the "my" keyword. The following variables are available to this file:
#
#         $webworkRoot    directory that contains the WeBWorK distribution
#         $webworkURL     base URL handled by Apache::WeBWorK
#         $courseName     name of the course being used

################################################################################
# WeBWorK settings
################################################################################

%webworkDirs = (
	root    => "$webworkRoot",
	bin     => "$webworkRoot/bin",
	conf    => "$webworkRoot/conf",
	courses => "$webworkRoot/courses",
	lib     => "$webworkRoot/lib",
	logs    => "$webworkRoot/logs",
	macros  => "$webworkRoot/macros",
	tmp     => "$webworkRoot/tmp",
);

%webworkFiles = (
	environment => "$webworkDirs{conf}/global.conf",
	hardcopySnippets => {
		preamble       => "$webworkDirs{conf}/hardcopyPreamble.tex",
		setHeader      => "$webworkDirs{conf}/hardcopySetHeader.pg",
		problemDivider => "$webworkDirs{conf}/hardcopyProblemDivider.tex",
		setFooter      => "$webworkDirs{conf}/hardcopySetFooter.pg",
		setDivider     => "$webworkDirs{conf}/hardcopySetDivider.tex",
		postamble      => "$webworkDirs{conf}/hardcopyPostamble.tex",
	},
	screenSnippets => {
		setHeader => "$webworkDirs{conf}/screenSetHeader.pg",
	},
	logs => {
		timing      => "$webworkDirs{logs}/timing.log",
	},
);

%webworkURLs = (
	root    => "$webworkURLRoot",
	home    => "http://host.yourdomaon.edu/webwork-info",
	htdocs  => "/webwork_files",
	docs    => "http://webhost.math.rochester.edu/webworkdocs/docs",
	oldProf => "/webwork-old/profLogin.pl",
);

################################################################################
# Default course-specific settings
################################################################################

my $courseRoot = "$webworkDirs{courses}/$courseName";
%courseDirs = (
	root        => "$courseRoot",
	DATA        => "$courseRoot/DATA",
	auth_DATA   => "$courseRoot/DATA/.auth",
	html        => "$courseRoot/html",
	html_images => "$courseRoot/html/images",
	html_temp   => "$courseRoot/html/tmp",
	logs        => "$courseRoot/logs",
	scoring     => "$courseRoot/scoring",
	templates   => "$courseRoot/templates",
	macros      => "$courseRoot/templates/macros",
);

%courseFiles = (
	environment => "$courseDirs{root}/course.conf",
	motd        => "$courseDirs{root}/motd.txt",
);

# quick hack to fix transaction logging. blah.
$webworkFiles{logs}->{transaction} = "$courseDirs{logs}/transaction.log";

my $courseURLRoot = "$webworkURLs{htdocs}/courses/$courseName";
%courseURLs = (
	root      => "$courseURLRoot",
	html      => "$courseURLRoot",
	html_temp => "$courseURLRoot/tmp",
);

################################################################################
# Other site-specific options
################################################################################

%mail = (
	smtpServer => "mail.math.rochester.edu",
	smtpSender => "webwork\@math.rochester.edu",
	# allowedRecipients defines addresses that the PG system is allowed to
	# send mail to. this prevents subtle PG exploits. This should be set
	# in course.conf to the addresses of professors of each course. Sending
	# mail from the PG system (i.e. questionaires, essay questions) will
	# fail if this is not set somewhere (either here or in course.conf).
	#allowedRecipients => [
	#	"yourname\@host.yourdomain.edu",
	#],
	# if defined, feedbackRecipients overrides the list of recipients for
	# feedback email. It's appropriate to set this in the course.conf for
	# specific courses, but probably not in global.conf. if not defined,
	# mail is sent to all professors and TAs for a given course
	#feedbackRecipients => [
	#	"prof1\@host.yourdomain.edu",
	#	"prof2\@host.yourdomain.edu",
	#],
	# feedbackVerbosity:
	#  0: send only the feedback comment and context link
	#  1: as in 0, plus user, set, problem, and PG data
	#  2: as in 1, plus the problem environment (debugging data)
	feedbackVerbosity => 1,
);

%externalPrograms = (
	mkdir    => "/bin/mkdir",
	tth      => "/usr/local/bin/tth",
	pdflatex => "/usr/local/bin/pdflatex",
	latex    => "/usr/local/bin/latex",
	dvipng   => "/usr/local/bin/dvipng -mode ljfivemp -D600 -Q6 -x1000.5 -bgTransparent",
	gif2eps  => "$webworkDirs{bin}/gif2eps",
	png2eps  => "$webworkDirs{bin}/png2eps",
	gif2png  => "$webworkDirs{bin}/gif2png",
);

################################################################################
# Frontend options 
################################################################################

%templates = (
	system => "$webworkDirs{conf}/barebones.template",
);

################################################################################
# Database and session 
################################################################################

# dbInfo records some data for the "old" WW/Classlist/Auth.pm database system
# {auth,wwdb,cldb}_type = database type: GDBM currently implemented
# {auth_passwd,auth_perm,auth_keys,wwdb,cldb}_file = path to database file
%dbInfo = (
	auth_type        => "GDBM",
	auth_passwd_file => "$courseDirs{auth_DATA}/$courseName\_password_DB",
	auth_perm_file   => "$courseDirs{auth_DATA}/$courseName\_permissions_DB",
	auth_keys_file   => "$courseDirs{auth_DATA}/keys",
	wwdb_type        => "GDBM",
	wwdb_file        => "$courseDirs{DATA}/$courseName\_webwork_DB",
	cldb_type        => "GDBM",
	cldb_file        => "$courseDirs{DATA}/$courseName\_classlist_DB",
	psvn_digits      => 5,
);

# dbLayout records the schema and source for each table in the "new" DB.pm
# database system. consult DB.pm for the authoritative list of tables.
# schema = perl module to use for access to the table
# driver = perl module to use for access to the data source
# source = location of data source (i.e. path, url, DBI spec)
# params = extra information needed by the schema (optional)
# note: schema and driver must have the same interface.
%dbLayout = (
	password => {
		record => "WeBWorK::DB::Record::Password",
		schema => "WeBWorK::DB::Schema::Auth1Hash",
		driver => "WeBWorK::DB::Driver::GDBM",
		source => "$courseDirs{auth_DATA}/$courseName\_password_DB",
	},
	permission => {
		record => "WeBWorK::DB::Record::PermissionLevel",
		schema => "WeBWorK::DB::Schema::Auth1Hash",
		driver => "WeBWorK::DB::Driver::GDBM",
		source => "$courseDirs{auth_DATA}/$courseName\_permissions_DB",
	},
	key => {
		record => "WeBWorK::DB::Record::Key",
		schema => "WeBWorK::DB::Schema::Auth1Hash",
		driver => "WeBWorK::DB::Driver::GDBM",
		source => "$courseDirs{auth_DATA}/keys",
	},
	user => {
		record => "WeBWorK::DB::Record::User",
		schema => "WeBWorK::DB::Schema::Classlist1Hash",
		driver => "WeBWorK::DB::Driver::GDBM",
		source => "$courseDirs{DATA}/$courseName\_classlist_DB",
	},
	set => {
		record => "WeBWorK::DB::Record::Set",
		schema => "WeBWorK::DB::Schema::Null",
		driver => "WeBWorK::DB::Driver::Null",
		source => undef,
	},
	set_user => {
		record => "WeBWorK::DB::Record::UserSet",
		schema => "WeBWorK::DB::Schema::WW1Hash",
		driver => "WeBWorK::DB::Driver::GDBM",
		source => "$courseDirs{DATA}/$courseName\_webwork_DB",
		params => { psvnLength => 5 },
	},
	problem => {
		record => "WeBWorK::DB::Record::Problem",
		schema => "WeBWorK::DB::Schema::Null",
		driver => "WeBWorK::DB::Driver::Null",
		source => undef,
	},
	problem_user => {
		record => "WeBWorK::DB::Record::UserProblem",
		schema => "WeBWorK::DB::Schema::WW1Hash",
		driver => "WeBWorK::DB::Driver::GDBM",
		source => "$courseDirs{DATA}/$courseName\_webwork_DB",
		params => { psvnLength => 5 },
	},
);

# This lets you specify a minimum permission level needed to perform
# certain actions.  In the current system, >=10 will allow a professor
# to perform the action, >=5 will allow a TA to, and >=0 will allow a
# student to perform an action (almost never what you want).
%permissionLevels = (
	"become_student" => 10,
);

# $sessionKeyTimeout defines seconds of inactivity before a key expires
$sessionKeyTimeout = 60*30;

# $sessionKeyLength defines the length (in characters) of the session key
$sessionKeyLength = 40;

# @sessionKeyChars lists the legal session key characters
@sessionKeyChars = ('A'..'Z', 'a'..'z', '0'..'9', '.', '^', '/', '!', '*');

# Practice users are users who's names start with $practiceUser
# (you can comment this out to remove practice user support)
$practiceUserPrefix = "practice";

# There is a practice user who can be logged in multiple times.  He's
# commented out by default, though, so you don't hurt yourself.  It is
# kindof a backdoor to the practice user system, since he doesn't have a
# password.  Come to think of it, why do we even have this?!
#$debugPracticeUser = "practice666";

################################################################################
# PG translation options
################################################################################

%pg = (
	options => {
		# default translation options
		displayMode        => "images",
		showOldAnswers     => 1,
		showCorrectAnswers => 0,
		showHints          => 0,
		showSolutions      => 0,
		catchWarnings      => 1,
		# default grader
		grader => "avg_problem_grader",
	},
	# modules lists module names and the packages each contains
	modules => [
		[qw(DynaLoader)],
		[qw(Exporter)],
		[qw(GD)],
		
		[qw(AlgParser AlgParserWithImplicitExpand Expr ExprWithImplicitExpand)],
		[qw(AnswerHash AnswerEvaluator)],
		[qw(WWPlot)], # required by Circle (and others)
		[qw(Circle)],
		[qw(Complex)],
		[qw(Complex1)],
		[qw(Distributions)],
		[qw(Fraction)],
		[qw(Fun)],
		[qw(Hermite)],
		[qw(Label)],
		[qw(List)],
		[qw(Match)],
		[qw(MatrixReal1)], # required by Matrix
		[qw(Matrix)],
		[qw(Multiple)],
		[qw(PGrandom)],
		[qw(Regression)],
		[qw(Select)],
		[qw(Units)],
		[qw(VectorField)],
	],
	# defaults used by answer evaluators
	ansEvalDefaults => {
		functAbsTolDefault            => .001,
		functLLimitDefault            => .0000001,
		functMaxConstantOfIntegration => 1E8,
		functNumOfPoints              => 3,
		functRelPercentTolDefault     => .1,
		functULimitDefault            => .9999999,
		functVarDefault               => "x",
		functZeroLevelDefault         => 1E-14,
		functZeroLevelTolDefault      => 1E-12,
		numAbsTolDefault              => .001,
		numFormatDefault              => "",
		numRelPercentTolDefault       => .1,
		numZeroLevelDefault           => 1E-14,
		numZeroLevelTolDefault        => 1E-12,
	},
);