Feature booking (#1512)

feat: bookings

* feat(cli): manage LDAP groups and users
* feat(frontend): manage LDAP groups and users

issue #1337

dockerfy/.env

@@ -4,7 +4,7 @@ TZ=Europe/Madrid
 # If you change password remember update dockerfy/dockers/back/ravada.conf
 MYSQL_DATABASE=ravada
 MYSQL_ROOT_PASSWORD=Pword12345*
-MYSQL_HOST=127.0.0.1
+MYSQL_HOST=0.0.0.0
 MYSQL_PORT=33306
 MYSQL_USER=rvd_user
 MYSQL_PASSWORD=Pword12345*

dockerfy/docker-compose.yml

@@ -11,6 +11,8 @@ services:
     env_file: .env
     command: --default-authentication-plugin=mysql_native_password
     restart: unless-stopped
+    ports:
+      - "33306:33306"
 
   ravada-front:
     container_name: ravada-front
@@ -24,10 +26,9 @@ services:
     networks:
       - ravada_network
     #By default download from dockerhub
-    image: ravada/front
     env_file: .env
     #If you want to local build
-    #build: dockers/front/.
+    build: dockers/front/.
     restart: unless-stopped
 
     depends_on:
@@ -50,10 +51,9 @@ services:
     networks:
       - ravada_network
     #By default download from dockerhub
-    image: ravada/back
     env_file: .env
     #If you want to local build
-    #build: dockers/back/.
+    build: dockers/back/.
     privileged: true
     restart: unless-stopped
 

dockerfy/dockers/back/Dockerfile

@@ -14,12 +14,13 @@ RUN apt-get update \
     liblwp-useragent-determined-perl libvirt-clients supervisor net-tools openssh-client apt-utils curl libpbkdf2-tiny-perl \
     libio-stringy-perl libvirt-daemon-system libvirt-clients netcat-openbsd qemu-kvm qemu-utils iproute2 wget bridge-utils firewalld dnsmasq iptables ebtables \
     libnet-openssh-perl libdatetime-format-dateparse-perl file\
- && apt-get clean
-
-RUN DEBIAN_FRONTEND=noninteractive apt-get install -y tzdata \
+ && apt-get clean \
  && rm -rf /var/lib/apt/lists/*
 RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
 
+ENV TZ=Europe/Madrid
+RUN DEBIAN_FRONTEND=noninteractive apt-get install -y tzdata \
+
 RUN echo "listen_tls = 0" >> /etc/libvirt/libvirtd.conf \
  && echo 'listen_tcp = 1' >> /etc/libvirt/libvirtd.conf \
 #  && mkdir -p /root/.ssh \
@@ -40,5 +41,5 @@ COPY supervisord.conf /etc/supervisord.conf
 #ADD src/ravada /ravada
 COPY ravada.conf /etc/ravada.conf
 WORKDIR /ravada
-
+ENV PERL5LIB /ravada/lib
 CMD ["/usr/bin/supervisord", "-c", "/etc/supervisord.conf"]

dockerfy/dockers/back/ravada.conf

 db:
   user: rvd_user
   password: Pword12345*
-  host: ravada-mysql
\ No newline at end of file
+  host: ravada-mysql
+
+ldap:
+    server: 10.1.36.224
+    admin_user:
+        dn: cn=Directory Manager
+        password: 12345678
+    base: 'dc=example,dc=com'

dockerfy/dockers/front/Dockerfile

@@ -13,12 +13,16 @@ RUN apt-get update \
     libfile-rsync-perl libdate-calc-perl libparallel-forkmanager-perl libdatetime-perl libencode-locale-perl netcat-openbsd \
     libio-stringy-perl libvirt-clients liblwp-useragent-determined-perl supervisor net-tools apt-utils lsof mysql-client \
 	curl bash vim wget libnet-openssh-perl libdatetime-format-dateparse-perl \
- && apt-get clean
+ && apt-get clean \
 
+ENV TZ=Europe/Madrid
 RUN DEBIAN_FRONTEND=noninteractive apt-get install -y tzdata \
+ && apt-get clean \
  && rm -rf /var/lib/apt/lists/*
 RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
 
+RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
+
 RUN mkdir -p /var/log/supervisor \
  && mkdir -p /run/sshd
 

dockerfy/dockers/front/ravada.conf

 db:
   user: rvd_user
   password: Pword12345*
-  host: ravada-mysql
\ No newline at end of file
+  host: ravada-mysql
+
+ldap:
+    server: 10.1.36.224
+    admin_user:
+        dn: cn=Directory Manager
+        password: 12345678
+    base: 'dc=example,dc=com'

dockerfy/dockers/front/supervisord.conf

@@ -7,7 +7,7 @@ logfile_maxbytes=0
 
 [program:rvd_front]
 environment=PERL5LIB="./lib"
-command=morbo ./script/rvd_front
+command=morbo -v ./script/rvd_front
 autostart=true
 autorestart=true
 startsecs=5

etc/fallback.conf

 https://cdnjs.cloudflare.com/ajax/libs/morris.js/0.5.1/morris.css morris.js/
 https://use.fontawesome.com/releases/v5.10.1/fontawesome-free-5.10.1-web.zip
 https://cdnjs.cloudflare.com/ajax/libs/intro.js/2.7.0/introjs.css intro.js/bin/
-https://code.jquery.com/jquery-3.5.0.min.js jquery/
+https://code.jquery.com/jquery-3.5.1.slim.min.js jquery/
+https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js
 https://jqueryui.com/resources/download/jquery-ui-1.11.4.zip
 https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js
 https://code.angularjs.org/1.7.8/angular-1.7.8.zip
-https://cdnjs.cloudflare.com/ajax/libs/angular-ui-bootstrap/2.5.0/ui-bootstrap.min.js
+https://cdn.jsdelivr.net/npm/ui-bootstrap4@3.0.6/dist/ui-bootstrap-tpls.js
 https://cdnjs.cloudflare.com/ajax/libs/raphael/2.1.0/raphael-min.js raphael.js/
 https://github.com/snapappointments/bootstrap-select/archive/v1.13.15.zip
 https://cdnjs.cloudflare.com/ajax/libs/morris.js/0.5.1/morris.min.js morris.js/
@@ -17,3 +18,13 @@ https://readthedocs.org/projects/ravada/badge/?version=latest ../img/latest.svg
 https://img.shields.io/badge/License-AGPL%20v3-blue.svg ../img/License-AGPL%20v3-blue.svg
 https://download.cksource.com/CKEditor/CKEditor/CKEditor%204.12.1/ckeditor_4.12.1_standard_easyimage.zip
 https://ajax.googleapis.com/ajax/libs/angular_material/1.1.0/angular-material.min.js angular-material/
+# bookings
+https://cdn.jsdelivr.net/npm/fullcalendar@5.1.0/main.css bookings/
+https://cdn.jsdelivr.net/npm/clockpicker@0.0.7/dist/bootstrap-clockpicker.min.css bookings/
+https://cdn.jsdelivr.net/npm/angularjs-toast@latest/angularjs-toast.css bookings/
+https://cdn.jsdelivr.net/npm/angularjs-toast@latest/angularjs-toast.js bookings/
+https://cdn.jsdelivr.net/npm/fullcalendar@5.1.0/main.min.js bookings/
+https://cdn.jsdelivr.net/npm/fullcalendar-scheduler@5.1.0/locales-all.min.js bookings/
+https://cdn.jsdelivr.net/npm/moment@2.27.0/min/moment-with-locales.min.js bookings/
+https://cdn.jsdelivr.net/npm/angular-moment@1.3.0/angular-moment.min.js bookings/
+https://cdn.jsdelivr.net/npm/clockpicker@0.0.7/dist/bootstrap-clockpicker.min.js bookings/

etc/get_fallback.pl

@@ -44,10 +44,12 @@ sub download($url, $dst = $DIR_FALLBACK) {
         print "$url downloaded to $dst\n";
         $res->content->asset->move_to($dst);
     }
-    elsif ($res->is_error)    { print $res->message."\n" }
+    elsif ($res->is_error)    { print $res->message."\n"; exit }
     elsif ($res->code == 301) { print $res->headers->location."\n" }
     else                      { print "Error ".$res->code." ".$res->message
-                                    ." downloading $url\n"}
+                                    ." downloading $url\n";
+                                    exit;
+                                }
     return $dst;
 }
 

lib/Ravada.pm

@@ -9,7 +9,8 @@ use Carp qw(carp croak cluck);
 use Data::Dumper;
 use DBIx::Connector;
 use File::Copy;
-use Hash::Util qw(unlock_hash lock_hash);
+use Hash::Util qw(lock_hash unlock_hash);
+use IPC::Run3 qw(run3);
 use JSON::XS;
 use Moose;
 use POSIX qw(WNOHANG);
@@ -23,6 +24,7 @@ no warnings "experimental::signatures";
 use feature qw(signatures);
 
 use Ravada::Auth;
+use Ravada::Booking;
 use Ravada::Request;
 use Ravada::Repository::ISO;
 use Ravada::VM::Void;
@@ -1085,21 +1087,34 @@ sub _add_indexes_generic($self) {
         ,settings => [
             "index(id_parent,name)"
         ]
+        ,booking_entries => [
+            "index(id_booking)"
+        ]
+        ,booking_entry_ldap_groups => [
+            "index(id_booking_entry,ldap_group)"
+        ]
+        ,booking_entry_users => [
+            "index(id_booking_entry,id_user)"
+        ]
+        ,booking_entry_bases => [
+            "index(id_booking_entry,id_base)"
+        ]
+
         ,vms=> [
             "unique(hostname, vm_type)"
         ]
     );
     my $if_not_exists = '';
     $if_not_exists = ' IF NOT EXISTS ' if $CONNECTOR->dbh->{Driver}{Name} =~ /sqlite|mariadb/i;
-
     for my $table ( keys %index ) {
-        my $known = $self->_get_indexes($table);
+        my $known;
         for my $change (@{$index{$table}} ) {
             my ($type,$fields ) =$change =~ /(\w+)\((.*)\)/;
             my ($name) = $change =~ /:(.*)/;
             $name = $fields if !$name;
             $name =~ s/,/_/g;
             $name =~ s/ //g;
+            $known = $self->_get_indexes($table) if !defined $known;
             next if $known->{$name};
 
             $type .=" INDEX " if $type=~ /^unique/i;
@@ -1183,6 +1198,8 @@ sub _add_grants($self) {
     $self->_add_grant('screenshot', 1,"Can get a screenshot of own virtual machines.");
     $self->_add_grant('start_many',0,"Can have more than one machine started.");
     $self->_add_grant('expose_ports',0,"Can expose virtual machine ports.");
+    $self->_add_grant('view_groups',0,'Can view groups.');
+    $self->_add_grant('manage_groups',0,'Can manage groups.');
     $self->_add_grant('start_limit',0,"can have their own limit on started machines.", 1);
 }
 
@@ -1254,6 +1271,8 @@ sub _enable_grants($self) {
         ,'shutdown',        'shutdown_all',    'shutdown_clone'
         ,'reboot',          'reboot_all',      'reboot_clones'
         ,'screenshot'
+        ,'start_many'
+        ,'view_groups',     'manage_groups'
         ,'start_limit',     'start_many'
     );
 
@@ -1312,6 +1331,7 @@ sub _set_url_isos($self, $new_url='http://localhost/iso/') {
     $sth->finish;
 
 }
+
 sub _upgrade_table {
     my $self = shift;
     my ($table, $field, $definition) = @_;
@@ -1455,6 +1475,8 @@ sub _create_tables {
 #    return if $CONNECTOR->dbh->{Driver}{Name} !~ /mysql/i;
 
     my $driver = lc($CONNECTOR->dbh->{Driver}{Name});
+    $driver = 'mysql' if $driver =~ /mariadb/i;
+
     $DIR_SQL =~ s{(.*)/.*}{$1/$driver};
 
     opendir my $ls,$DIR_SQL or die "$! $DIR_SQL";
@@ -1473,7 +1495,7 @@ sub _sql_create_tables($self) {
     my %tables = (
         domain_displays => {
             id => 'integer NOT NULL PRIMARY KEY AUTO_INCREMENT'
-            ,id_domain => 'integer NOT NULL references domains(id)'
+            ,id_domain => 'integer NOT NULL references domains(id) on delete cascade'
             ,port => 'char(5) DEFAULT NULL'
             ,ip => 'varchar(254)'
             ,listen_ip => 'varchar(254)'
@@ -1492,6 +1514,46 @@ sub _sql_create_tables($self) {
             , name => 'varchar(64) NOT NULL'
             , value => 'varchar(128) DEFAULT NULL'
         }
+        ,bookings => {
+            id => 'integer NOT NULL PRIMARY KEY AUTO_INCREMENT'
+            ,title => 'varchar(80)'
+            ,description => 'varchar(255)'
+            ,date_start => 'date not null'
+            ,date_end => 'date not null'
+            ,id_owner => 'int not null'
+            ,background_color => 'varchar(20)'
+            ,date_created => 'datetime DEFAULT CURRENT_TIMESTAMP'
+        }
+        ,booking_entries => {
+            id => 'integer NOT NULL PRIMARY KEY AUTO_INCREMENT'
+            ,title => 'varchar(80)'
+            ,description => 'varchar(255)'
+            ,id_booking => 'int not null references bookings(id) ON DELETE CASCADE'
+            ,time_start => 'time not null'
+            ,time_end => 'time not null'
+            ,date_booking => 'date'
+            ,visibility => "enum ('private','public') default 'public'"
+        }
+        ,booking_entry_ldap_groups => {
+            id => 'integer NOT NULL PRIMARY KEY AUTO_INCREMENT'
+            ,id_booking_entry
+                => 'int not null references booking_entries(id) ON DELETE CASCADE'
+            ,ldap_group => 'varchar(255) not null'
+        }
+        ,booking_entry_users => {
+            id => 'integer NOT NULL PRIMARY KEY AUTO_INCREMENT'
+            ,id_booking_entry
+                => 'int not null references booking_entries(id) ON DELETE CASCADE'
+            ,id_user => 'int not null references users(id) ON DELETE CASCADE'
+        }
+        ,booking_entry_bases=> {
+            id => 'integer NOT NULL PRIMARY KEY AUTO_INCREMENT'
+            ,id_booking_entry
+                => 'int not null references booking_entries(id) ON DELETE CASCADE'
+            ,id_base => 'int not null references domains(id) ON DELETE CASCADE'
+        }
+
+
     );
     for my $table ( keys %tables ) {
         my $sth = $CONNECTOR->dbh->table_info('%',undef,$table,'TABLE');
@@ -1588,6 +1650,16 @@ sub _sql_insert_defaults($self){
                 ,name => 'start_limit'
                 ,value => 1
             }
+            ,{
+                id_parent => $id_backend
+                ,name => 'time_zone'
+                ,value => _default_time_zone()
+            }
+            ,{
+                id_parent => $id_backend
+                ,name => 'bookings'
+                ,value => 0
+            }
             ,{
                 id_parent => $id_backend
                 ,name => 'debug'
@@ -1623,6 +1695,26 @@ sub _sql_insert_defaults($self){
     }
 }
 
+sub _default_time_zone() {
+    return $ENV{TZ} if exists $ENV{TZ};
+    my $timedatectl = `which timedatectl`;
+    chomp $timedatectl;
+    if (!$timedatectl) {
+        warn "Warning: No time zone found, checked TZ, missing timedatectl";
+        return 'UTC';
+    }
+    my @cmd = ( $timedatectl, '-p', 'Timezone','show');
+    my ($in, $out, $err);
+    run3(\@cmd,\$in,\$out,\$err);
+    my ($tz) = $out =~ /=(.*)/;
+    chomp $out;
+    if (!$tz) {
+        warn "Warning: No timezone found in @cmd\n$out";
+        return 'UTC'
+    }
+    return $tz;
+}
+
 sub _sql_insert_values($self, $table, $entry) {
     my $sql = "INSERT INTO $table "
     ."( "
@@ -1638,11 +1730,21 @@ sub _sql_insert_values($self, $table, $entry) {
 }
 
 sub _port_definition($driver, $definition0){
-    return $definition0 if $driver eq 'mysql';
+    return $definition0 if $driver =~ /mysql|mariadb/i;
     if ($driver eq 'sqlite') {
         $definition0 =~ s/(.*) AUTO_INCREMENT$/$1 AUTOINCREMENT/i;
         return $definition0 if $definition0 =~ /^(int|integer|char|varchar) /i;
+
+        if ($definition0 =~ /^enum /) {
+            my ($default) = $definition0 =~ / (default.*)/i;
+            $default = '' if !defined $default;
+
+            my @found = $definition0 =~ /'(.*?)'/g;
+            my ($size) = sort map { length($_) } @found;
+            return " varchar($size) $default";
+        }
     }
+    return $definition0;
 }
 
 sub _clean_iso_mini {
@@ -1723,7 +1825,6 @@ sub _upgrade_tables {
     #$self->_upgrade_table('domains','display_file','text DEFAULT NULL');
     $self->_upgrade_table('domains','info','varchar(255) DEFAULT NULL');
     $self->_upgrade_table('domains','internal_id','varchar(64) DEFAULT NULL');
-    $self->_upgrade_table('domains','id_vm','int default null');
     $self->_upgrade_table('domains','volatile_clones','int NOT NULL default 0');
     $self->_upgrade_table('domains','comment',"varchar(80) DEFAULT ''");
 
@@ -1814,6 +1915,8 @@ sub _connect_dbh {
                         , PrintError=> 0 });
             $con->dbh();
         };
+        $con->dbh->do("PRAGMA foreign_keys = ON") if $driver =~ /sqlite/i;
+
         return $con if $con && !$@;
         sleep 1;
         warn "Try $try $@\n";
@@ -1993,7 +2096,7 @@ sub _connect_vm {
 sub _create_vm_lxc {
     my $self = shift;
 
-    return;
+    return ;
 }
 
 sub _create_vm_void {
@@ -2631,6 +2734,7 @@ sub process_requests {
         next if $duplicated{$req->command.":$domain"}++;
         push @reqs,($req);
     }
+    $sth->finish;
 
     for my $req (sort { $a->priority <=> $b->priority } @reqs) {
         next if $req eq 'refresh_vms' && scalar@reqs > 2;
@@ -2652,7 +2756,6 @@ sub process_requests {
             #        sleep 1 if $DEBUG;
 
     }
-    $sth->finish;
 
     $self->_timeout_requests();
 }
@@ -4702,6 +4805,38 @@ sub import_domain {
 sub _cmd_enforce_limits($self, $request=undef) {
     _enforce_limits_active($self, $request);
     $self->_shutdown_disconnected();
+    $self->_shutdown_bookings() if $self->setting('/backend/bookings');
+}
+
+sub _shutdown_bookings($self) {
+    my @bookings = Ravada::Booking::bookings();
+    return if !scalar(@bookings);
+
+
+    my @domains = $self->list_domains_data(status => 'active');
+    for my $dom ( @domains ) {
+        next if $dom->{autostart};
+        next if $self->_user_is_admin($dom->{id_owner});
+
+        if ( Ravada::Booking::user_allowed($dom->{id_owner}, $dom->{id_base}) ) {
+            # warn "\tuser $dom->{id_owner} allowed to start clones from $dom->{id_base}";
+            next;
+        }
+
+        my $user = Ravada::Auth::SQL->search_by_id($dom->{id_owner});
+        $user->send_message("The server is booked. Shutting down ".$dom->{name});
+        Ravada::Request->shutdown_domain(
+            uid => Ravada::Utils::user_daemon->id
+            ,id_domain => $dom->{id}
+        );
+    }
+}
+
+sub _user_is_admin($self, $id_user) {
+    my $sth = $CONNECTOR->dbh->prepare("SELECT is_admin FROM users where id=? ");
+    $sth->execute($id_user);
+    my ($is_admin) = $sth->fetchrow;
+    return $is_admin;
 }
 
 sub _enforce_limits_active($self, $request) {
@@ -4894,31 +5029,8 @@ Returns the value of a configuration setting
 
 =cut
 
-sub setting($self, $name, $new_value=undef) {
-    my $sth = $CONNECTOR->dbh->prepare(
-        "SELECT id,value "
-        ." FROM settings "
-        ." WHERE id_parent=? AND name=?"
-    );
-    my ($id, $value);
-    my $id_parent = 0;
-    for my $item (split m{/},$name) {
-        next if !$item;
-        $sth->execute($id_parent, $item);
-        ($id, $value) = $sth->fetchrow;
-        die "Error: I can-t find setting $item inside id_parent: $id_parent"
-        if !$id;
-
-        $id_parent = $id;
-    }
-    if (defined $new_value && $new_value ne $value ) {
-        $sth = $CONNECTOR->dbh->prepare(
-            "UPDATE settings set value=? WHERE id=?"
-        );
-        $sth->execute($new_value , $id);
-        return $new_value;
-    }
-    return $value;
+sub setting {
+    return Ravada::Front::setting(@_);
 }
 
 sub DESTROY($self) {

lib/Ravada/Auth/LDAP.pm

@@ -193,11 +193,13 @@ sub search_user {
     my $ldap = (delete $args{ldap} or _init_ldap_admin());
     my $base = (delete $args{base} or _dc_base());
     my $typesonly= (delete $args{typesonly} or 0);
+    my $escape_username = 1;
+    $escape_username = delete $args{escape_username} if exists $args{escape_username};
 
     confess "ERROR: Unknown fields ".Dumper(\%args) if keys %args;
     confess "ERROR: I can't connect to LDAP " if!$ldap;
 
-    $username = escape_filter_value($username);
+    $username = escape_filter_value($username) if $escape_username;
     $username =~ s/ /\\ /g;
 
     my $filter = "($field=$username)";
@@ -250,6 +252,9 @@ Add a group to the LDAP
 sub add_group {
     my $name = shift;
     my $base = (shift or _dc_base());
+    my $class = ( shift or [
+            'groupOfUniqueNames','nsMemberOf','posixGroup','top'
+        ]);
 
     $name = escape_filter_value($name);
 
@@ -257,17 +262,32 @@ sub add_group {
         cn => $name
         ,dn => "cn=$name,ou=groups,$base"
         , attrs => [ cn=>$name
-                    ,objectClass => ['groupOfUniqueNames','top']
+                    ,objectClass => $class
                     ,ou => 'Groups'
                     ,description => "Group for $name"
+                    ,gidNumber => _search_new_gid()
           ]
     );
     if ($mesg->code) {
-        die "Error afegint $name ".$mesg->error;
+        die "Error creating group $name : ".$mesg->error."\n";
     }
 
 }
 
+sub _search_new_gid() {
+    my %gid;
+    for my $group (  search_group( name => '*' ) ) {
+        my $gid_number = $group->get_value('gidNumber');
+        next if !$gid_number;
+        $gid{$gid_number}++;
+    }
+    my $new_gid = 100;
+    for (;;) {
+        return $new_gid if !$gid{$new_gid};
+        $new_gid++;
+    }
+}
+
 =head2 remove_group
 
 Removes the group from the LDAP directory. Use with caution
@@ -301,7 +321,7 @@ sub remove_group {
 sub search_group {
     my %args = @_;
 
-    my $name = delete $args{name} or confess "Missing group name";
+    my $name = delete $args{name};
     my $base = ( delete $args{base} or "ou=groups,"._dc_base() );
     my $ldap = ( delete $args{ldap} or _init_ldap_admin());
     my $retry =( delete $args{retry} or 0);
@@ -309,9 +329,6 @@ sub search_group {
     confess "ERROR: Unknown fields ".Dumper(\%args) if keys %args;
     confess "ERROR: I can't connect to LDAP " if!$ldap;
 
-    $name = escape_filter_value($name);
-
-
     my $mesg = $ldap ->search (
         filter => "cn=$name"
          ,base => $base
@@ -332,7 +349,8 @@ sub search_group {
     }
     my @entries = $mesg->entries;
 
-    return $entries[0]
+    return @entries if wantarray;
+    return $entries[0];
 }
 
 =head2 add_to_group

lib/Ravada/Auth/SQL.pm

@@ -379,7 +379,10 @@ sub is_operator {
             || $self->can_list_clones()
             || $self->can_list_clones_from_own_base()
             || $self->can_list_machines()
-            || $self->is_user_manager();
+            || $self->is_user_manager()
+            || $self->can_view_groups()
+            || $self->can_manage_groups()
+    ;
     return 0;
 }
 

lib/Ravada/Booking.pm

+package Ravada::Booking;
+
+use Carp qw(carp croak);
+use Data::Dumper;
+
+use DateTime::Format::DateParse;
+use Moose;
+
+use Ravada::Booking::Entry;
+use Ravada::Front;
+
+no warnings "experimental::signatures";
+use feature qw(signatures);
+
+our $CONNECTOR = \$Ravada::CONNECTOR;
+our $TZ;
+
+sub BUILD($self, $args) {
+    return $self->_open($args->{id}) if $args->{id};
+
+    my $date = delete $args->{date_booking};
+    my $date_start = delete $args->{date_start};
+    my $date_end = delete $args->{date_end};
+
+    confess "Error: supply either date or date_start"
+    if (!defined $date && !defined $date_start);
+