76 lines
No EOL
2.4 KiB
Perl
76 lines
No EOL
2.4 KiB
Perl
package FotoStore::DB;
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use v5.20;
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use strict;
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use warnings;
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use feature qw(signatures);
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no warnings qw(experimental::signatures);
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sub new {
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my $class = shift;
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my $db_file = shift;
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my $dbh = DBI->connect(sprintf('dbi:SQLite:dbname=%s', $db_file),"","");
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my $self = {
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dbh => $dbh,
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};
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bless $self, $class;
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return $self;
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}
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sub check_user ($self, $nickname, $password) {
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my ($user_id) = $self->{'dbh'}->selectrow_array(q~select user_id from users where nickname=? and password=?~, undef, ($nickname, $password));
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return $user_id;
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}
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sub get_user ($self, $user_id) {
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if ($user_id =~ /^\d+$/) {
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return $self->_get_user_by_user_id($user_id);
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} else {
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return $self->_get_user_by_username($user_id);
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}
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}
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sub _get_user_by_user_id ($self, $user_id) {
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my $user_data = $self->{'dbh'}->selectrow_hashref(q~select user_id, nickname, fullname, timestamp from users where user_id=?~, {}, ($user_id));
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return $user_data;
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}
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sub _get_user_by_username($self, $username) {
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my $user_data = $self->{'dbh'}->selectrow_hashref(q~select user_id, nickname, fullname, timestamp from users where nickname=?~, {}, ($username));
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return $user_data;
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}
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sub add_user($self, $username, $password, $fullname) {
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my $rows = $self->{'dbh'}->do(q~insert into users (nickname, password, fullname) values (?, ?, ?)~, undef, ($username, $password, $fullname));
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if ($self->{'dbh'}->errstr) {
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die $self->{'dbh'}->errstr;
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}
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return $rows;
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}
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sub add_file($self, $user_id, $filename, $original_filename) {
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my $rows = $self->{'dbh'}->do(q~insert into images (owner_id, file_name, original_filename) values (?, ?, ?)~, undef, ($user_id, $filename, $original_filename));
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if ($self->{'dbh'}->errstr) {
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die $self->{'dbh'}->errstr;
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}
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return $rows;
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}
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sub get_files($self, $user_id, $items_count=20, $page=1) {
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# Calculate offset
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# Pages in UI starts from 1, but here we need it to start from 0
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$page = 1 if ($page < 1);
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my $start_at = --$page * $items_count;
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my ($rows_count) = $self->{'dbh'}->selectrow_array(q~select count(*) from images where owner_id=? ~, undef , $user_id);
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my $images_list = $self->{'dbh'}->selectall_arrayref(q~select * from images where owner_id=? order by created_time desc LIMIT ? OFFSET ? ~, { Slice => {} }, $user_id, $items_count, $start_at );
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return { total_rows => $rows_count, images_list => $images_list };
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}
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1; |