new script to move tasks from the Calendar folder to the new Tasks folder,

2001-01-14  Damon Chaplin  <damon@helixcode.com>

	* tools/evolution-move-tasks: new script to move tasks from the
	Calendar folder to the new Tasks folder, so people won't lose tasks.
	This can be deleted after a few releases.

	* tools/Makefile.am (bin_SCRIPTS): added above.

svn path=/trunk/; revision=7480

1 files changed, 135 insertions, 0 deletions

diff --git a/tools/evolution-move-tasks b/tools/evolution-move-tasks
new file mode 100755
index 0000000000..05c27cbce2
--- /dev/null
+++ b/tools/evolution-move-tasks
@@ -0,0 +1,135 @@
+#!/usr/bin/env perl
+# The above is a portable way to invoke Perl, according to the GNU Autotools
+# book. It is useful since we don't know where perl is installed.
+#
+# evolution-move-tasks: a Perl script to move tasks from the Calendar folder
+#	to the new Tasks folder.
+#
+
+use diagnostics;
+
+# You may have to change this if your Evolution files are somewhere else.
+$EVOLUTION_DIR = "$ENV{'HOME'}/evolution";
+
+$CALENDAR_DIR = "$EVOLUTION_DIR/local/Calendar";
+$TASKS_DIR = "$EVOLUTION_DIR/local/Tasks";
+
+# Create the Tasks folder if needed.
+&EnsureTasksFolderExists ($TASKS_DIR);
+
+# Get any tasks from the calendar .ics file.
+$tasks = &LoadTasks ("$CALENDAR_DIR/calendar.ics");
+
+# Get any tasks already in the tasks .ics file.
+$tasks .= &LoadTasks ("$TASKS_DIR/tasks.ics");
+
+# Create a new Tasks .ics file containing all the tasks.
+&OutputTasks ("$TASKS_DIR/tasks.new", $tasks);
+
+# Move the existing tasks file to a backup.
+if (-e "$TASKS_DIR/tasks.ics") {
+    rename "$TASKS_DIR/tasks.ics", "$TASKS_DIR/tasks.bak"
+	|| die "Can't rename $TASKS_DIR/tasks.ics to $TASKS_DIR/tasks.bak";
+}
+
+# Move the new file into position.
+rename "$TASKS_DIR/tasks.new", "$TASKS_DIR/tasks.ics"
+    || die "Can't rename $TASKS_DIR/tasks.new to $TASKS_DIR/tasks.ics";
+
+# Move the new Calendar file (without the Tasks) into position.
+rename "$CALENDAR_DIR/calendar.ics.new", "$CALENDAR_DIR/calendar.ics"
+    || die "Can't rename $TASKS_DIR/tasks.new to $TASKS_DIR/tasks.ics";
+
+0;
+
+
+# If the evolution/local/Tasks folder does not exist, this creates it and
+# creates the metadata XML file.
+sub EnsureTasksFolderExists {
+    my ($tasks_dir) = @_;
+
+    return if (-e $tasks_dir);
+
+    print "Creating Tasks folder in: $tasks_dir\n";
+
+    mkdir ($tasks_dir, 0777)
+	|| die "Can't create Tasks folder directory: $tasks_dir";
+
+    $metadata = "$tasks_dir/folder-metadata.xml";
+    open (METADATA, ">$metadata")
+	|| die "Can't create metadata file: $metadata";
+
+    print METADATA <<EOF;
+<?xml version="1.0"?>
+<efolder>
+	<type>tasks</type>
+	<description>Tasks</description>
+</efolder>
+EOF
+
+    close (METADATA);
+}
+
+
+sub LoadTasks {
+    my ($icalendar_file) = @_;
+
+    return "" if (! -e $icalendar_file);
+
+    open (ICSFILE, $icalendar_file)
+	|| die "Can't open iCalendar file: $icalendar_file";
+
+    open (NEWICSFILE, ">$icalendar_file.new")
+	|| die "Can't open iCalendar file: $icalendar_file.new";
+
+    $tasks = "";
+    $in_task = 0;
+    while (<ICSFILE>) {
+	if ($in_task) {
+	    $tasks .= $_;
+
+	    if (m/^END:VTODO/) {
+		$in_task = 0;
+	    }
+
+	} else {
+	    if (m/^BEGIN:VTODO/) {
+		print "Found task\n";
+
+		$tasks .= $_;
+		$in_task = 1;
+	    } else {
+		print NEWICSFILE $_;
+	    }
+	}
+    }
+
+    close (NEWICSFILE);
+    close (ICSFILE);
+
+    return $tasks;
+}
+
+
+sub OutputTasks {
+    my ($icalendar_file, $tasks) = @_;
+
+    open (ICSFILE, ">$icalendar_file")
+	|| die "Can't create iCalendar file: $icalendar_file";
+
+    print ICSFILE <<EOF;
+BEGIN:VCALENDAR
+CALSCALE
+ :GREGORIAN
+PRODID
+ :-//Helix Code//NONSGML Evolution Calendar//EN
+VERSION
+ :2.0
+$tasks
+END:VCALENDAR
+EOF
+
+    close (ICSFILE);
+}
+
+