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|
#!/usr/bin/perl
use warnings;
use strict;
use DBI;
use DateTime;
use DateTime::Format::ISO8601;
my $db = DBI->connect("dbi:SQLite:recipe.db", "", "", {RaiseError => 1,
AutoCommit => 1});
my @recipes;
my @ingredients;
my @contents;
sub read_recipe_db {
# All recipes needs to be read to be able to pick random recipes easily
# enough.
my $all = $db->selectall_arrayref("SELECT * FROM recipes");
foreach my $row (@$all) {
my ($id) = @$row;
$recipes[$id]->{'name'} = @$row[1];
$recipes[$id]->{'uri'} = @$row[2];
}
# This is not how to do the ingredient and content reading!
# They should only be read for relevant recipes.
$all = $db->selectall_arrayref("SELECT * FROM ingredients");
foreach my $row (@$all) {
my ($id) = @$row;
$ingredients[$id]->{'id'} = @$row[1];
$ingredients[$id]->{'name'} = @$row[2];
}
$all = $db->selectall_arrayref("SELECT * FROM contents");
foreach my $row (@$all) {
my ($id) = @$row;
$contents[$id]->{'recipe_id'} = @$row[1];
$contents[$id]->{'ingredient_id'} = @$row[2];
$contents[$id]->{'quantity'} = @$row[2];
$contents[$id]->{'unit'} = @$row[2];
}
}
sub get_random_recipe {
return int(rand(@recipes));
}
sub get_recipe_name ($) {
my ( $id ) = @_;
if ($recipes[$id]->{'name'}) {
return $recipes[$id]->{'name'};
} else {
return "NULL";
}
}
sub get_recipe_uri ($) {
my ( $id ) = @_;
if ($recipes[$id]->{'uri'}) {
return $recipes[$id]->{'uri'};
} else {
return "NULL";
}
}
my @schedule = (
{
day => "Måndag",
},
{
day => "Tisdag",
},
{
day => "Onsdag",
},
{
day => "Torsdag",
},
{
day => "Fredag",
}
);
sub cmd_setmeal {
my ( $date, $recipe_id ) = @_;
my $mealtype = "lunch";
if ($date =~ /^Mon|Tue|Wed|Thu|Fri|Sat|Sun/) {
my $wday;
$wday = 1 if ($date =~ /^Mon/);
$wday = 2 if ($date =~ /^Tue/);
$wday = 3 if ($date =~ /^Wed/);
$wday = 4 if ($date =~ /^Thu/);
$wday = 5 if ($date =~ /^Fri/);
$wday = 6 if ($date =~ /^Sat/);
$wday = 7 if ($date =~ /^Sun/);
my $dt = DateTime->now();
while ($dt->wday() != $wday) {
$dt->add(days => 1);
}
$date = $dt->ymd();
}
return unless $date =~ "^[0-9]{4}-[0-9]{2}-[0-9]{2}\$";
# FIXME This is a potential race condition. In theory I should be able to do
# rollback if there are more than one entry matching this select at the end
# of the function. Even better: add a constraint to the db if that is
# possible.
my $sql = "SELECT * FROM plan WHERE date='$date' and mealtype='$mealtype';";
return -1 if ($db->selectrow_array($sql));
return -1 unless $recipe_id =~ "^[0-9]+\$";
if (get_recipe_name($recipe_id) ne 'NULL') {
$sql = "INSERT INTO plan (date, mealtype, recipe_id) VALUES ('$date',
'$mealtype', $recipe_id);";
$db->do($sql);
}
return 0;
}
sub cmd_randmeal {
my ( $date ) = @_;
my $recipe_id = get_random_recipe();
return cmd_setmeal($date, $recipe_id);
}
sub cmd_showplan {
my ( $date ) = @_;
my $mealtype = "lunch";
my $dt;
if($date) {
return -1 unless $date =~ "^[0-9]{4}-[0-9]{2}-[0-9]{2}\$";
$dt = DateTime::Format::ISO8601->parse_datetime( $date );
} else {
$dt = DateTime->now();
}
for (my $i = 0; $i < 7; $i++) {
my $sql = "SELECT recipe_id FROM plan WHERE date='".$dt->ymd().
"' and mealtype='$mealtype';";
my @ids = $db->selectrow_array($sql);
if ($ids[0]) {
print $dt->ymd(), " ", get_recipe_name($ids[0]), ", ",
get_recipe_uri($ids[0]), "\n";
}
$dt->add(days => 1);
}
}
sub cmd_randweek {
for (my $i = 0; $i < 5; $i++) {
$schedule[$i]->{'recipe'} = get_random_recipe;
}
for (my $i = 0; $i < 5; $i++) {
print $schedule[$i]->{'day'}.": ";
print get_recipe_name($schedule[$i]->{'recipe'})."\n";
my $contents = $db->selectall_arrayref("SELECT * FROM contents WHERE ".
"recipe_id=".$schedule[$i]->{'recipe'});
unless (@$contents) {
print "OBSERVERA: Ingredienslista saknas för denna rätt!\n\n";
}
}
}
# MAIN PROGRAM ################################################################
read_recipe_db;
if ($ARGV[0]) {
if ( $ARGV[0] eq "setmeal") {
print "Command failed!\n" unless (cmd_setmeal($ARGV[1], $ARGV[2]) >= 0);
}
if ( $ARGV[0] eq "randmeal") {
print "Command failed!\n" unless (cmd_randmeal($ARGV[1]) >= 0);
}
if ( $ARGV[0] eq "showplan") {
print "Command failed!\n" unless (cmd_showplan($ARGV[1]) >= 0);
}
} else {
cmd_showplan;
}
|
