4 # Copyright (c) - 1998 Dirk Koopman G1TLH
22 use vars qw($fp $maxspots $defaultspots $maxdays $dirprefix);
25 $maxspots = 50; # maximum spots to return
26 $defaultspots = 10; # normal number of spots to return
27 $maxdays = 35; # normal maximum no of days to go back
28 $dirprefix = "$main::data/spots";
35 # add a spot to the data file (call as Spot::add)
38 my @spot = @_; # $freq, $call, $t, $comment, $spotter = @_
40 # sure that the numeric things are numeric now (saves time later)
41 $spot[0] = 0 + $spot[0];
42 $spot[2] = 0 + $spot[2];
44 # remove ssid if present on spotter
45 $spot[4] =~ s/-\d+$//o;
47 # compare dates to see whether need to open another save file (remember, redefining $fp
48 # automagically closes the output file (if any))
49 my @date = Julian::unixtoj($spot[2]);
50 $fp = Spot->open(@date, ">>") if (!$fp || Julian::cmp(@date, $fp->{year}, $fp->{day}));
55 # add the 'dxcc' country on the end
56 my @dxcc = Prefix::extract($spot[1]);
57 push @spot, (@dxcc > 0 ) ? $dxcc[1]->dxcc() : 0;
59 my $buf = join("\^", @spot);
60 $fh->print($buf, "\n");
65 # search the spot database for records based on the field no and an expression
66 # this returns a set of references to the spots
68 # the expression is a legal perl 'if' statement with the possible fields indicated
73 # $f2 = date in unix format
78 # In addition you can specify a range of days, this means that it will start searching
79 # from <n> days less than today to <m> days less than today
81 # Also you can select a range of entries so normally you would get the 0th (latest) entry
82 # back to the 5th latest, you can specify a range from the <x>th to the <y>the oldest.
84 # This routine is designed to be called as Spot::search(..)
89 my ($expr, $dayfrom, $dayto, $from, $to) = @_;
95 my @today = Julian::unixtoj(time);
100 @fromdate = Julian::sub(@today, $dayfrom);
106 @todate = Julian::sub(@fromdate, $dayto);
108 @todate = Julian::sub(@fromdate, $maxdays);
111 $to = $from + $maxspots if $to - $from > $maxspots || $to - $from <= 0;
117 $expr =~ s/\$f(\d)/\$ref->[$1]/g; # swap the letter n for the correct field name
118 # $expr =~ s/\$f(\d)/\$spots[$1]/g; # swap the letter n for the correct field name
120 dbg("search", "expr='$expr', spotno=$from-$to, day=$dayfrom-$dayto\n");
122 # build up eval to execute
126 # my \@spots = split /\\^/o;
127 # if ($expr) { # note NO \$expr
129 # next if \$count < \$from; # wait until from
130 # push(\@out, \\\@spots);
131 # last LOOP if \$count >= \$to; # stop after to
136 for (\$c = \$#spots; \$c >= 0; \$c--) {
137 \$ref = \$spots[\$c];
140 next if \$count < \$from; # wait until from
142 last LOOP if \$count >= \$to; # stop after to
148 for ($i = 0; $i < $maxdays; ++$i) { # look thru $maxdays worth of files only
149 my @now = Julian::sub(@fromdate, $i); # but you can pick which $maxdays worth
150 last if Julian::cmp(@now, @todate) <= 0;
153 my $fp = Spot->open(@now); # get the next file
157 foreach $in (<$fh>) {
159 push @spots, [ split('\^', $in) ];
161 eval $eval; # do the search on this file
162 return ("Spot search error", $@) if $@;
169 # open a spot file of the Julian day
173 return Julian::open("spot", $dirprefix, @_);
179 # do nothing, unreferencing or overwriting the $self will close it
182 # format a spot for user output in 'broadcast' mode
186 my $t = ztime($dx[2]);
187 return sprintf "DX de %-9.9s: %9.1f %-12s %-30s<%s>", $dx[4], $dx[0], $dx[1], $dx[3], $t ;
190 # format a spot for user output in list mode
194 my $t = ztime($dx[2]);
195 my $d = cldate($dx[2]);
196 return sprintf "%9.1f %-12s %s %s %-30s<%s>", $dx[0], $dx[1], $d, $t, $dx[3], $dx[4] ;