Fix #19929: Support 'due date' in group actions

PR #737

Signed-off-by: Damien Regad <dregad@mantisbt.org>

Original commit modified to use new date_strtotime() API.

bug_actiongroup.php

@@ -286,6 +286,18 @@
 				$t_failed_ids[$t_bug_id] = lang_get( 'bug_actiongroup_access' );
 			}
 			break;
+		case 'UP_DUE_DATE':
+			$t_due_date = gpc_get_string( 'due_date', null );
+			if( $t_due_date !== null ) {
+				$t_due_date = date_strtotime( $t_due_date );
+
+				if( access_has_bug_level( config_get( 'due_date_update_threshold' ), $t_bug_id ) ) {
+					bug_set_field( $t_bug_id, 'due_date', $t_due_date );
+				} else {
+					$t_failed_ids[$t_bug_id] = lang_get( 'bug_actiongroup_access' );
+				}
+			}
+			break;
 		case 'VIEW_STATUS':
 			if( access_has_bug_level( config_get( 'change_view_status_threshold' ), $t_bug_id ) ) {
 				$f_view_status = gpc_get_int( 'view_status' );

bug_actiongroup_page.php

@@ -207,6 +207,11 @@
 		$t_button_title			= lang_get( 'target_version_group_bugs_button' );
 		$t_form					= 'target_version';
 		break;
+	case 'UP_DUE_DATE':
+		$t_question_title		= lang_get( 'due_date_bugs_conf_msg' );
+		$t_button_title			= lang_get( 'due_date_group_bugs_button' );
+		$t_form					= 'due_date';
+		break;
 	case 'CUSTOM' :
 		$t_custom_field_def = custom_field_get_definition( $t_custom_field_id );
 		$t_question_title = sprintf( lang_get( 'actiongroup_menu_update_field' ), lang_get_defaulted( $t_custom_field_def['name'] ) );
@@ -216,7 +221,12 @@
 	default:
 		trigger_error( ERROR_GENERIC, ERROR );
 }
-
+if( $f_action === 'UP_DUE_DATE' ) {
+    require_js( 'jscalendar/calendar.js' );
+    require_js( 'jscalendar/lang/calendar-en.js' );
+    require_js( 'jscalendar/calendar-setup.js' );
+    require_css( 'calendar-blue.css' );
+}
 bug_group_action_print_top();
 
 if( $t_multiple_projects ) {
@@ -260,7 +270,23 @@
 			}
 
 			print_custom_field_input( $t_custom_field_def, $t_bug_id );
-		} else {
+		} else if ( $f_action === 'UP_DUE_DATE' ) {
+			$t_bug_id = null;
+
+			# if there is only one issue, use its current value as default, otherwise,
+			# use the current due_date.
+			if( count( $f_bug_arr ) == 1 ) {
+				$t_bug_id = $f_bug_arr[0];
+				$t_bug = bug_get( $t_bug_id );
+
+				$t_date_to_display = '';
+				if( !date_is_null( $t_bug->due_date ) ) {
+					$t_date_to_display = date( config_get( 'calendar_date_format' ), $t_bug->due_date );
+				}
+			}
+
+			echo '<input type="text" id="due_date" name="due_date" class="datetime" size="20" maxlength="16" value="' . $t_date_to_display . '" />';
+        } else {
 			echo '<select name="' . $t_form . '">';
 
 			switch( $f_action ) {

core/bug_group_action_api.php

@@ -274,6 +274,11 @@ function bug_group_action_get_commands( array $p_project_ids = null ) {
 			$t_commands['EXT_ATTACH_TAGS'] = lang_get( 'actiongroup_menu_attach_tags' );
 		}
 
+		if( !isset( $t_commands['UP_DUE_DATE'] ) &&
+			access_has_project_level( config_get( 'due_date_update_threshold', null, null, $t_project_id ), $t_project_id ) ) {
+			$t_commands['UP_DUE_DATE'] = lang_get( 'actiongroup_menu_update_due_date' );
+		}
+
 		if( !isset( $t_commands['UP_PRODUCT_VERSION'] ) &&
 			version_should_show_product_version( $t_project_id ) &&
 			access_has_project_level( config_get( 'update_bug_threshold', null, null, $t_project_id ), $t_project_id ) ) {

lang/strings_english.txt

@@ -93,6 +93,7 @@ $s_actiongroup_menu_update_product_version = 'Update Product Version';
 $s_actiongroup_menu_update_target_version = 'Update Target Version';
 $s_actiongroup_menu_update_fixed_in_version = 'Update Fixed in Version';
 $s_actiongroup_menu_update_product_build = 'Update Product Build';
+$s_actiongroup_menu_update_due_date = 'Update Due Date';
 $s_actiongroup_menu_add_note = 'Add Note';
 $s_actiongroup_menu_attach_tags = 'Attach Tags';
 $s_actiongroup_bugs = 'Selected Issues';
@@ -202,6 +203,7 @@ $s_set_sticky_bugs_conf_msg = 'Are you sure you wish to set/unset these issues s
 $s_product_version_bugs_conf_msg = 'Update Product Version to';
 $s_fixed_in_version_bugs_conf_msg = 'Update Fixed in Version to';
 $s_target_version_bugs_conf_msg = 'Update Target Version to';
+$s_due_date_bugs_conf_msg = 'Update Due Date to';
 $s_close_group_bugs_button = 'Close Issues';
 $s_delete_group_bugs_button = 'Delete Issues';
 $s_move_group_bugs_button = 'Move Issues';
@@ -216,6 +218,7 @@ $s_set_sticky_group_bugs_button = 'Set/Unset Sticky';
 $s_product_version_group_bugs_button = 'Update Product Version';
 $s_fixed_in_version_group_bugs_button = 'Update Fixed in Version';
 $s_target_version_group_bugs_button = 'Update Target Version';
+$s_due_date_group_bugs_button = 'Update Due Date';
 $s_update_severity_title = 'Update Severity';
 $s_update_severity_msg = 'Choose issue severity';
 $s_update_severity_button = 'Update Severity';