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package App::Dochazka::REST::Model::Shared;

use 5.012;
use strict;
use warnings;

use App::CELL qw( $CELL $log $meta $site );
use Data::Dumper;
use JSON;
use Params::Validate qw( :all );
use Try::Tiny;




=head1 NAME

App::Dochazka::REST::Model::Shared - functions shared by several modules within
the data model




=head1 SYNOPSIS

    use App::Dochazka::REST::Model::Shared;

    ...




=head1 EXPORTS

=cut 

use Exporter qw( import );
our @EXPORT_OK = qw( 
    canonicalize_date
    canonicalize_ts
    canonicalize_tsrange
    cud 
    cud_generic
    decode_schedule_json 
    get_history
    load 
    load_multiple 
    noof 
    priv_by_eid 
    schedule_by_eid 
    select_single 
    select_set_of_single_scalar_rows
    split_tsrange
    timestamp_delta_minus
    timestamp_delta_plus
    tsrange_intersection
    tsrange_equal
);




=head1 FUNCTIONS


=head2 canonicalize_date

Given a string that PostgreSQL might recognize as a date, pass it to