-#
-#===============================================================================
-#
-# FILE: Admin.pm
-#
-# DESCRIPTION: Administrative functions for DBIx::Class Schemata
-#
-# FILES: ---
-# BUGS: ---
-# NOTES: ---
-# AUTHOR: Gordon Irving (), <Gordon.irving@sophos.com>
-# VERSION: 1.0
-# CREATED: 28/11/09 12:27:15 GMT
-# REVISION: ---
-#===============================================================================
-
package DBIx::Class::Admin;
+# check deps
+BEGIN {
+ my @_deps = qw(
+ Moose MooseX::Types MooseX::Types::JSON MooseX::Types::Path::Class
+ Try::Tiny parent JSON::Any Class::C3::Componentised
+ namespace::autoclean
+ );
+
+ my @_missing_deps;
+ foreach my $dep (@_deps) {
+ eval "require $dep";
+ if ($@) {
+ push @_missing_deps, $dep;
+ }
+ }
+
+ if (@_missing_deps > 0) {
+ die "The following dependecies are missing " . join ",", @_missing_deps;
+ }
+}
+
use Moose;
-use MooseX::Types;
-use MooseX::Types::Moose qw/Int HashRef ArrayRef Str Any/;
+use parent 'DBIx::Class::Schema';
+use Carp::Clan qw/^DBIx::Class/;
+
+use MooseX::Types::Moose qw/Int HashRef ArrayRef Str Any Bool/;
+use DBIx::Class::Admin::Types qw/DBICConnectInfo/;
+use MooseX::Types::JSON qw(JSON);
use MooseX::Types::Path::Class qw(Dir File);
-#use DBIx::Class::Schema;
use Try::Tiny;
-use parent 'Class::C3::Componentised';
-
-use Data::Dumper;
-=c
- ['lib|I:s' => 'Additonal library path to search in'],
- ['schema|s:s' => 'The class of the schema to load', { required => 1 } ],
- ['config-stanza|S:s' => 'Where in the config to find the connection_info, supply in form MyApp::Model::DB',],
- ['config|C:s' => 'Supply the config file for parsing by Config::Any', { depends => 'config_stanza'} ],
- ['connect-info|n:s%' => ' supply the connect info as additonal options ie -I dsn=<dsn> user=<user> password=<pass> '],
- ['sql-dir|q:s' => 'The directory where sql diffs will be created'],
- ['sql-type|t:s' => 'The RDBMs falvour you wish to use'],
- ['version|v:i' => 'Supply a version install'],
- ['preversion|p:s' => 'The previous version to diff against',],
-
- 'schema=s' => \my $schema_class,
- 'class=s' => \my $resultset_class,
- 'connect=s' => \my $connect,
- 'op=s' => \my $op,
- 'set=s' => \my $set,
- 'where=s' => \my $where,
- 'attrs=s' => \my $attrs,
- 'format=s' => \my $format,
- 'force' => \my $force,
- 'trace' => \my $trace,
- 'quiet' => \my $quiet,
- 'help' => \my $help,
- 'tlibs' => \my $t_libs,
-=cut
+use JSON::Any;
+use namespace::autoclean;
+
+
+=head1 NAME
+
+DBIx::Class::Admin - Administration object for schemas
+
+=head1 SYNOPSIS
+
+ use DBIx::Class::Admin;
+
+ # ddl manipulation
+ my $admin = DBIx::Class::Admin->new(
+ schema_class=> 'MY::Schema',
+ sql_dir=> $sql_dir,
+ connect_info => { dsn => $dsn, user => $user, password => $pass },
+ );
+
+ # create SQLite sql
+ $admin->create('SQLite');
+
+ # create SQL diff for an upgrade
+ $admin->create('SQLite', {} , "1.0");
+
+ # upgrade a database
+ $admin->upgrade();
+
+ # install a version for an unversioned schema
+ $admin->install("3.0");
=head1 Attributes
+=head2 schema_class
+
+the class of the schema to load
+
=cut
-has lib => (
- is => 'ro',
- isa => Dir,
- coerce => 1,
- trigger => \&_set_inc,
+
+has 'schema_class' => (
+ is => 'ro',
+ isa => Str,
+ coerce => 1,
);
-sub _set_inc {
- my ($self, $lib) = @_;
- push @INC, $lib->stringify;
+
+=head2 schema
+
+A pre-connected schema object can be provided for manipulation
+
+=cut
+
+has 'schema' => (
+ is => 'ro',
+ isa => 'DBIx::Class::Schema',
+ lazy_build => 1,
+);
+
+sub _build_schema {
+ my ($self) = @_;
+ $self->ensure_class_loaded($self->schema_class);
+
+ $self->connect_info->[3]->{ignore_version} =1;
+ return $self->schema_class->connect(@{$self->connect_info()} ); # , $self->connect_info->[3], { ignore_version => 1} );
}
-has 'schema_class' => (
- is => 'ro',
- isa => 'Str',
- coerce => 1,
+=head2 resultset
+
+a resultset from the schema to operate on
+
+=cut
+
+has 'resultset' => (
+ is => 'rw',
+ isa => Str,
);
-has 'schema' => (
- is => 'ro',
- isa => 'DBIx::Class::Schema',
- lazy_build => 1,
+=head2 where
+
+a hash ref or json string to be used for identifying data to manipulate
+
+=cut
+
+has 'where' => (
+ is => 'rw',
+ isa => HashRef,
+ coerce => 1,
);
+=head2 set
-sub _build_schema {
- my ($self) = @_;
- $self->ensure_class_loaded($self->schema_class);
- warn Dumper $self->connect_info();
+a hash ref or json string to be used for inserting or updating data
- return $self->schema_class->connect($self->connect_info()}, $self->connect_info->[3], { ignore_version => 1} );
-}
+=cut
+
+has 'set' => (
+ is => 'rw',
+ isa => HashRef,
+ coerce => 1,
+);
+
+
+=head2 attrs
+
+a hash ref or json string to be used for passing additonal info to the ->search call
+
+=cut
+
+has 'attrs' => (
+ is => 'rw',
+ isa => HashRef,
+ coerce => 1,
+);
+
+
+=head2 connect_info
+
+connect_info the arguments to provide to the connect call of the schema_class
+
+=cut
has 'connect_info' => (
- is => 'ro',
- isa => ArrayRef,
- lazy_build => 1,
+ is => 'ro',
+ isa => DBICConnectInfo,
+ lazy_build => 1,
+ coerce => 1,
);
sub _build_connect_info {
- my ($self) = @_;
- return find_stanza($self->config, $self->config_stanza);
+ my ($self) = @_;
+ return $self->_find_stanza($self->config, $self->config_stanza);
}
-has config => (
- is => 'ro',
- isa => HashRef,
- lazy_build => 1,
-);
-sub _build_config {
- my ($self) = @_;
- try { require 'Config::Any'; } catch { die "Config::Any is required to parse the config file"; };
+=head2 config_file
- my $cfg = Config::Any->load_files ( {files => [$self->config_file], use_ext =>1, flatten_to_hash=>1});
+config_file provide a config_file to read connect_info from, if this is provided
+config_stanze should also be provided to locate where the connect_info is in the config
+The config file should be in a format readable by Config::General
- # just grab the config from the config file
- $cfg = $cfg->{$self->config_file};
- return $cfg;
-}
+=cut
has config_file => (
- is => 'ro',
- isa => File,
+ is => 'ro',
+ isa => File,
+ coerce => 1,
);
+
+=head2 config_stanza
+
+config_stanza for use with config_file should be a '::' deliminated 'path' to the connection information
+designed for use with catalyst config files
+
+=cut
+
has 'config_stanza' => (
- is => 'ro',
- isa => 'Str',
+ is => 'ro',
+ isa => Str,
);
-has 'sql_dir' => (
- is => 'ro',
- isa => Dir,
- coerce => 1,
+
+=head2 config
+
+Instead of loading from a file the configuration can be provided directly as a hash ref. Please note
+config_stanza will still be required.
+
+=cut
+
+has config => (
+ is => 'ro',
+ isa => HashRef,
+ lazy_build => 1,
);
+sub _build_config {
+ my ($self) = @_;
+ try { require Config::Any } catch { $self->throw_exception( "Config::Any is required to parse the config file"); };
+
+ my $cfg = Config::Any->load_files ( {files => [$self->config_file], use_ext =>1, flatten_to_hash=>1});
+
+ # just grab the config from the config file
+ $cfg = $cfg->{$self->config_file};
+ return $cfg;
+}
-has 'sql_type' => (
- is => 'ro',
- isa => 'Str',
+=head2 sql_dir
+
+The location where sql ddl files should be created or found for an upgrade.
+
+=cut
+
+has 'sql_dir' => (
+ is => 'ro',
+ isa => Dir,
+ coerce => 1,
);
+
+=head2 version
+
+Used for install, the version which will be 'installed' in the schema
+
+=cut
+
has version => (
- is => 'ro',
- isa => 'Str',
+ is => 'rw',
+ isa => Str,
);
+
+=head2 preversion
+
+Previouse version of the schema to create an upgrade diff for, the full sql for that version of the sql must be in the sql_dir
+
+=cut
+
has preversion => (
- is => 'rw',
- isa => 'Str',
- predicate => 'has_preversion',
+ is => 'rw',
+ isa => Str,
+);
+
+
+=head2 force
+
+Try and force certain operations.
+
+=cut
+
+has force => (
+ is => 'rw',
+ isa => Bool,
);
+
+=head2 quiet
+
+Be less verbose about actions
+
+=cut
+
+has quiet => (
+ is => 'rw',
+ isa => Bool,
+);
+
+has '_confirm' => (
+ is => 'bare',
+ isa => Bool,
+);
+
+
+=head1 METHODS
+
+=head2 create
+
+=over 4
+
+=item Arguments: $sqlt_type, \%sqlt_args, $preversion
+
+=back
+
+L<create> will generate sql for the supplied schema_class in sql_dir. The flavour of sql to
+generate can be controlled by suppling a sqlt_type which should be a L<SQL::Translator> name.
+
+Arguments for L<SQL::Translator> can be supplied in the sqlt_args hashref.
+
+Optional preversion can be supplied to generate a diff to be used by upgrade.
+
+=cut
+
sub create {
- my ($self, $sqlt_type, ) = @_;
- if ($self->has_preversion) {
- print "attempting to create diff file for ".$self->preversion."\n";
- }
- my $schema = $self->schema();
-# warn "running with params sqlt_type = $sqlt_type, version = " .$schema->schema_version . " sql_dir = " . $self->sql_dir . " preversion = " . ($self->has_preversion ? $self->preversion : "" ). "\n";
- # create the dir if does not exist
- $self->sql_dir->mkpath() if ( ! -d $self->sql_dir);
-
- $schema->create_ddl_dir( $sqlt_type, (defined $schema->schema_version ? $schema->schema_version : ""), $self->sql_dir->stringify, $self->preversion );
+ my ($self, $sqlt_type, $sqlt_args, $preversion) = @_;
+
+ $preversion ||= $self->preversion();
+
+ my $schema = $self->schema();
+ # create the dir if does not exist
+ $self->sql_dir->mkpath() if ( ! -d $self->sql_dir);
+
+ $schema->create_ddl_dir( $sqlt_type, (defined $schema->schema_version ? $schema->schema_version : ""), $self->sql_dir->stringify, $preversion, $sqlt_args );
}
+
+=head2 upgrade
+
+=over 4
+
+=item Arguments: <none>
+
+=back
+
+upgrade will attempt to upgrade the connected database to the same version as the schema_class.
+B<MAKE SURE YOU BACKUP YOUR DB FIRST>
+
+=cut
+
sub upgrade {
- my ($self) = @_;
- my $schema = $self->schema();
- if (!$schema->get_db_version()) {
- # schema is unversioned
- warn "could not determin current schema version, please either install or deploy";
- } else {
- $schema->upgrade();
- }
+ my ($self) = @_;
+ my $schema = $self->schema();
+ if (!$schema->get_db_version()) {
+ # schema is unversioned
+ $self->throw_exception ("could not determin current schema version, please either install or deploy");
+ } else {
+ my $ret = $schema->upgrade();
+ return $ret;
+ }
}
-sub install {
- my ($self) = @_;
- my $schema = $self->schema();
- if (!$schema->get_db_version()) {
- # schema is unversioned
- print "Going to install schema version";
- $schema->install($self->version);
- } else {
- warn "schema already has a version not installing, try upgrade instead";
- }
+=head2 install
+
+=over 4
+
+=item Arguments: $version
+
+=back
+
+install is here to help when you want to move to L<DBIx::Class::Schema::Versioned> and have an existing
+database. install will take a version and add the version tracking tables and 'install' the version. No
+further ddl modification takes place. Setting the force attribute to a true value will allow overriding of
+already versioned databases.
+
+=cut
+
+sub install {
+ my ($self, $version) = @_;
+
+ my $schema = $self->schema();
+ $version ||= $self->version();
+ if (!$schema->get_db_version() ) {
+ # schema is unversioned
+ print "Going to install schema version\n";
+ my $ret = $schema->install($version);
+ print "retun is $ret\n";
+ }
+ elsif ($schema->get_db_version() and $self->force ) {
+ carp "Forcing install may not be a good idea";
+ if($self->_confirm() ) {
+ $self->schema->_set_db_version({ version => $version});
+ }
+ }
+ else {
+ $self->throw_exception ("schema already has a version not installing, try upgrade instead");
+ }
}
+
+=head2 deploy
+
+=over 4
+
+=item Arguments: $args
+
+=back
+
+deploy will create the schema at the connected database. C<$args> are passed straight to
+L<DBIx::Class::Schema/deploy>.
+
+=cut
+
sub deploy {
- my ($self) = @_;
- my $schema = $self->schema();
- if (!$schema->get_db_version() ) {
- # schema is unversioned
- $schema->deploy();
- } else {
- warn "there already is a database with a version here, try upgrade instead";
- }
+ my ($self, $args) = @_;
+ my $schema = $self->schema();
+ if (!$schema->get_db_version() ) {
+ # schema is unversioned
+ $schema->deploy( $args, $self->sql_dir)
+ or $self->throw_exception ("could not deploy schema");
+ } else {
+ $self->throw_exception("there already is a database with a version here, try upgrade instead");
+ }
}
-sub find_stanza {
- my ($self, $cfg, $stanza) = @_;
- my @path = split /::/, $stanza;
- while (my $path = shift @path) {
- if (exists $cfg->{$path}) {
- $cfg = $cfg->{$path};
- }
- else {
- die "could not find $stanza in config, $path did not seem to exist";
- }
- }
- return $cfg;
-}
+=head2 insert
-# FIXME ensure option spec compatability
-#die('Do not use the where option with the insert op') if ($where);
-#die('Do not use the attrs option with the insert op') if ($attrs);
-sub insert_data {
- my ($self, $resultset, $set) = @_;
- my $obj = $resultset->create( $set );
- print ''.ref($resultset).' ID: '.join(',',$obj->id())."\n" if (!$self->quiet);
-}
+=over 4
-sub update_data {
- my ($self, $resultset, $set, $where) = @_;
- $resultset = $resultset->search( ($where||{}) );
- my $count = $resultset->count();
- print "This action will modify $count ".ref($resultset)." records.\n" if (!$self->quiet);
- if ( $self->force || $self->confirm() ) {
- $resultset->update_all( $set );
- }
+=item Arguments: $rs, $set
+
+=back
+
+insert takes the name of a resultset from the schema_class and a hashref of data to insert
+into that resultset
+
+=cut
+
+sub insert {
+ my ($self, $rs, $set) = @_;
+
+ $rs ||= $self->resultset();
+ $set ||= $self->set();
+ my $resultset = $self->schema->resultset($rs);
+ my $obj = $resultset->create( $set );
+ print ''.ref($resultset).' ID: '.join(',',$obj->id())."\n" if (!$self->quiet);
}
-# FIXME
-#die('Do not use the set option with the delete op') if ($set);
-sub delete_data {
- my ($self, $resultset, $where, $attrs) = @_;
- $resultset = $resultset->search( ($where||{}), ($attrs||()) );
- my $count = $resultset->count();
- print "This action will delete $count ".ref($resultset)." records.\n" if (!$self->quiet);
- if ( $self->force || $self->confirm() ) {
- $resultset->delete_all();
- }
+=head2 update
+
+=over 4
+
+=item Arguments: $rs, $set, $where
+
+=back
+
+update takes the name of a resultset from the schema_class, a hashref of data to update and
+a where hash used to form the search for the rows to update.
+
+=cut
+
+sub update {
+ my ($self, $rs, $set, $where) = @_;
+
+ $rs ||= $self->resultset();
+ $where ||= $self->where();
+ $set ||= $self->set();
+ my $resultset = $self->schema->resultset($rs);
+ $resultset = $resultset->search( ($where||{}) );
+
+ my $count = $resultset->count();
+ print "This action will modify $count ".ref($resultset)." records.\n" if (!$self->quiet);
+
+ if ( $self->force || $self->_confirm() ) {
+ $resultset->update_all( $set );
+ }
}
-#FIXME
-# die('Do not use the set option with the select op') if ($set);
-sub select_data {
- my ($self, $resultset, $where, $attrs) = @_;
+=head2 delete
+
+=over 4
+
+=item Arguments: $rs, $where, $attrs
+
+=back
+
+delete takes the name of a resultset from the schema_class, a where hashref and a attrs to pass to ->search.
+The found data is deleted and cannot be recovered.
+
+=cut
+
+sub delete {
+ my ($self, $rs, $where, $attrs) = @_;
+
+ $rs ||= $self->resultset();
+ $where ||= $self->where();
+ $attrs ||= $self->attrs();
+ my $resultset = $self->schema->resultset($rs);
+ $resultset = $resultset->search( ($where||{}), ($attrs||()) );
-
- $resultset = $resultset->search( ($where||{}), ($attrs||()) );
+ my $count = $resultset->count();
+ print "This action will delete $count ".ref($resultset)." records.\n" if (!$self->quiet);
+
+ if ( $self->force || $self->_confirm() ) {
+ $resultset->delete_all();
+ }
}
-# TODO, make this more generic, for different data formats
-sub output_data {
- my ($self, $resultset) = @_;
-
-# eval {
-# ensure_class_loaded 'Data::Tabular::Dumper';
-# };
-# if($@) {
-# die "Data::Tabular::Dumper is needed for outputing data";
-# }
- my $csv_class;
- # load compatible CSV generators
- foreach $csv_class (qw(Text::CSV_XS Text::CSV_PP)) {
- eval { ensure_class_loaded $csv_class};
- if($@) {
- $csv_class = undef;
- next;
- }
- }
- if (not defined $csv_class) {
- die ('The select op requires either the Text::CSV_XS or the Text::CSV_PP module');
- }
-
- my $csv = $csv_class->new({
- sep_char => ( $self->csv_format eq 'tsv' ? "\t" : ',' ),
- });
-
- my @columns = $resultset->result_source->columns();
- $csv->combine( @columns );
- print $csv->string()."\n";
- while (my $row = $resultset->next()) {
- my @fields;
- foreach my $column (@columns) {
- push( @fields, $row->get_column($column) );
- }
- $csv->combine( @fields );
- print $csv->string()."\n";
+
+=head2 select
+
+=over 4
+
+=item Arguments: $rs, $where, $attrs
+
+=back
+
+select takes the name of a resultset from the schema_class, a where hashref and a attrs to pass to ->search.
+The found data is returned in a array ref where the first row will be the columns list.
+
+=cut
+
+sub select {
+ my ($self, $rs, $where, $attrs) = @_;
+
+ $rs ||= $self->resultset();
+ $where ||= $self->where();
+ $attrs ||= $self->attrs();
+ my $resultset = $self->schema->resultset($rs);
+ $resultset = $resultset->search( ($where||{}), ($attrs||()) );
+
+ my @data;
+ my @columns = $resultset->result_source->columns();
+ push @data, [@columns];#
+
+ while (my $row = $resultset->next()) {
+ my @fields;
+ foreach my $column (@columns) {
+ push( @fields, $row->get_column($column) );
}
+ push @data, [@fields];
+ }
+
+ return \@data;
+}
+
+sub _confirm {
+ my ($self) = @_;
+ print "Are you sure you want to do this? (type YES to confirm) \n";
+ # mainly here for testing
+ return 1 if ($self->meta->get_attribute('_confirm')->get_value($self));
+ my $response = <STDIN>;
+ return 1 if ($response=~/^YES/);
+ return;
}
-sub confirm {
- print "Are you sure you want to do this? (type YES to confirm) ";
- my $response = <STDIN>;
- return 1 if ($response=~/^YES/);
- return;
+sub _find_stanza {
+ my ($self, $cfg, $stanza) = @_;
+ my @path = split /::/, $stanza;
+ while (my $path = shift @path) {
+ if (exists $cfg->{$path}) {
+ $cfg = $cfg->{$path};
+ }
+ else {
+ $self->throw_exception("could not find $stanza in config, $path did not seem to exist");
+ }
+ }
+ return $cfg;
}
+=head1 AUTHORS
+
+See L<DBIx::Class/CONTRIBUTORS>.
+
+=head1 LICENSE
+
+You may distribute this code under the same terms as Perl itself
+
+=cut
+
1;
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