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1 | #!/usr/bin/perl |
2 | |
3 | # ------------------------------------------------------------------- |
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4 | # $Id: sql_translator.cgi,v 1.3 2003-08-14 16:52:38 kycl4rk Exp $ |
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5 | # ------------------------------------------------------------------- |
6 | # Copyright (C) 2003 Ken Y. Clark <kclark@cpan.org> |
7 | # |
8 | # This program is free software; you can redistribute it and/or |
9 | # modify it under the terms of the GNU General Public License as |
10 | # published by the Free Software Foundation; version 2. |
11 | # |
12 | # This program is distributed in the hope that it will be useful, but |
13 | # WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
15 | # General Public License for more details. |
16 | # |
17 | # You should have received a copy of the GNU General Public License |
18 | # along with this program; if not, write to the Free Software |
19 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
20 | # 02111-1307 USA |
21 | # ------------------------------------------------------------------- |
22 | |
23 | =head1 NAME |
24 | |
25 | auto-viv.cgi |
26 | |
27 | =head1 DESCRIPTION |
28 | |
29 | A CGI script for transforming SQL schemas into pictures, either GraphViz |
30 | graphs or ER diagrams. Basically, a simple web-form front-end for the |
31 | myriad options available to "auto-dia.pl" and "auto-graph.pl." |
32 | |
33 | =cut |
34 | |
35 | use strict; |
36 | use CGI; |
37 | use SQL::Translator; |
38 | |
39 | my $q = CGI->new; |
40 | |
41 | eval { |
42 | if ( $q->param ) { |
43 | my $t = SQL::Translator->new( |
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44 | from => $q->param('parser'), |
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45 | producer_args => { |
46 | image_type => $q->param('output_type') || 'png', |
47 | title => $q->param('title') || 'Schema', |
48 | natural_join => $q->param('natural_join') eq 'no' ? 0 : 1, |
49 | join_pk_only => $q->param('natural_join') eq 'pk_only' ? 1 : 0, |
50 | add_color => $q->param('add_color'), |
51 | skip_fields => $q->param('skip_fields'), |
52 | show_fk_only => $q->param('show_fk_only'), |
53 | font_size => $q->param('font_size'), |
54 | no_columns => $q->param('no_columns'), |
55 | node_shape => $q->param('node_shape'), |
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56 | layout => $q->param('layout') || '', |
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57 | height => $q->param('height') || 0, |
58 | width => $q->param('width') || 0, |
59 | show_fields => $q->param('show_fields') || 0, |
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60 | }, |
61 | ) or die SQL::Translator->error; |
62 | |
63 | my $data; |
64 | if ( $q->param('schema') ) { |
65 | $data = $q->param('schema'); |
66 | } |
67 | elsif ( my $fh = $q->upload('schema_file') ) { |
68 | local $/; |
69 | $data = <$fh>; |
70 | } |
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71 | die "No schema provided!\n" unless $data; |
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72 | |
73 | my $producer = $q->param('producer'); |
74 | my $image_type = $q->param('output_type') || 'png'; |
75 | my $header_type = |
76 | $producer =~ m/(GraphViz|Diagram)/ |
77 | ? "image/$image_type" |
78 | : 'text/plain'; |
79 | |
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80 | $t->data( $data ); |
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81 | $t->producer( $producer ); |
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82 | my $output = $t->translate or die $t->error; |
83 | |
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84 | print $q->header( -type => $header_type ), $output; |
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85 | } |
86 | else { |
87 | show_form( $q ); |
88 | } |
89 | }; |
90 | |
91 | if ( my $error = $@ ) { |
92 | print $q->header, $q->start_html('Error'), |
93 | $q->h1('Error'), $error, $q->end_html; |
94 | } |
95 | |
96 | # ------------------------------------------------------------------- |
97 | sub show_form { |
98 | my $q = shift; |
99 | my $title = 'SQL::Translator'; |
100 | |
101 | print $q->header, |
102 | $q->start_html( -title => $title ), |
103 | $q->h1( qq[<a href="http://sqlfairy.sourceforge.net">$title</a>] ), |
104 | $q->start_form(-enctype => 'multipart/form-data'), |
105 | $q->table( { -border => 1 }, |
106 | $q->Tr( |
107 | $q->td( [ |
108 | 'Paste your schema here:', |
109 | $q->textarea( |
110 | -name => 'schema', |
111 | -rows => 10, |
112 | -columns => 60, |
113 | ), |
114 | ] ), |
115 | ), |
116 | $q->Tr( |
117 | $q->td( [ |
118 | 'Or upload your schema file:', |
119 | $q->filefield( -name => 'schema_file'), |
120 | ] ), |
121 | ), |
122 | $q->Tr( |
123 | $q->td( [ |
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124 | 'Parser:', |
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125 | $q->radio_group( |
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126 | -name => 'parser', |
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127 | -values => [ 'MySQL', 'PostgreSQL', 'Oracle' ], |
128 | -default => 'MySQL', |
129 | -rows => 3, |
130 | ), |
131 | ] ), |
132 | ), |
133 | $q->Tr( |
134 | $q->td( [ |
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135 | 'Producer:', |
136 | $q->radio_group( |
137 | -name => 'producer', |
138 | -values => [ qw[ ClassDBI Diagram GraphViz HTML |
139 | MySQL Oracle POD PostgreSQL SQLite Sybase XML |
140 | ] ], |
141 | -default => 'GraphViz', |
142 | -rows => 3, |
143 | ), |
144 | ] ), |
145 | ), |
146 | $q->Tr( |
147 | $q->td( [ |
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148 | 'Title:', |
149 | $q->textfield('title'), |
150 | ] ), |
151 | ), |
152 | $q->Tr( |
153 | $q->td( [ |
154 | 'Output Type:', |
155 | $q->radio_group( |
156 | -name => 'output_type', |
157 | -values => [ 'png', 'jpeg' ], |
158 | -default => 'png', |
159 | -rows => 2, |
160 | ), |
161 | ] ), |
162 | ), |
163 | $q->Tr( |
164 | $q->td( [ |
165 | 'Perform Natural Joins:', |
166 | $q->radio_group( |
167 | -name => 'natural_join', |
168 | -values => [ 'no', 'yes', 'pk_only' ], |
169 | -labels => { |
170 | no => 'No', |
171 | yes => 'Yes, on all like-named fields', |
172 | pk_only => 'Yes, but only from primary keys' |
173 | }, |
174 | -default => 'no', |
175 | -rows => 3, |
176 | ), |
177 | ] ), |
178 | ), |
179 | $q->Tr( |
180 | $q->td( [ |
181 | 'Skip These Fields in Natural Joins:', |
182 | $q->textarea( |
183 | -name => 'skip_fields', |
184 | -rows => 3, |
185 | -columns => 60, |
186 | ), |
187 | ] ), |
188 | ), |
189 | $q->Tr( |
190 | $q->td( [ |
191 | 'Color:', |
192 | $q->radio_group( |
193 | -name => 'add_color', |
194 | -values => [ 1, 0 ], |
195 | -labels => { |
196 | 1 => 'Yes', |
197 | 0 => 'No' |
198 | }, |
199 | -default => 1, |
200 | -rows => 2, |
201 | ), |
202 | ] ), |
203 | ), |
204 | $q->Tr( |
205 | $q->td( [ |
206 | 'Show Only Foreign Keys *:', |
207 | $q->radio_group( |
208 | -name => 'show_fk_only', |
209 | -values => [ 1, 0 ], |
210 | -default => 0, |
211 | -labels => { |
212 | 1 => 'Yes', |
213 | 0 => 'No', |
214 | }, |
215 | -rows => 2, |
216 | ), |
217 | ] ), |
218 | ), |
219 | $q->Tr( |
220 | $q->td( [ |
221 | 'Font Size *:', |
222 | $q->radio_group( |
223 | -name => 'font_size', |
224 | -values => [ qw( small medium large ) ], |
225 | -default => 'medium', |
226 | -rows => 3, |
227 | ), |
228 | ] ), |
229 | ), |
230 | $q->Tr( |
231 | $q->td( [ |
232 | 'Number of Columns *:', |
233 | $q->textfield('no_columns'), |
234 | ] ), |
235 | ), |
236 | $q->Tr( |
237 | $q->td( [ |
238 | 'Layout **:', |
239 | $q->radio_group( |
240 | -name => 'layout', |
241 | -values => [ qw( dot neato twopi ) ], |
242 | -default => 'neato', |
243 | -rows => 3, |
244 | ), |
245 | ] ), |
246 | ), |
247 | $q->Tr( |
248 | $q->td( [ |
249 | 'Node Shape **:', |
250 | $q->radio_group( |
251 | -name => 'node_shape', |
252 | -values => [ qw( record plaintext ellipse |
253 | circle egg triangle box diamond trapezium |
254 | parallelogram house hexagon octagon |
255 | ) ], |
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256 | -default => 'record', |
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257 | -rows => 13, |
258 | ), |
259 | ] ), |
260 | ), |
261 | $q->Tr( |
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262 | $q->td( [ |
263 | 'Show Field Names **:', |
264 | $q->radio_group( |
265 | -name => 'show_fields', |
266 | -values => [ 1, 0 ], |
267 | -default => 1, |
268 | -labels => { |
269 | 1 => 'Yes', |
270 | 0 => 'No', |
271 | }, |
272 | -rows => 2, |
273 | ), |
274 | ] ), |
275 | ), |
276 | $q->Tr( |
277 | $q->td( [ |
278 | 'Height **:', |
279 | $q->textfield( -name => 'height', -default => 11 ), |
280 | ] ), |
281 | ), |
282 | $q->Tr( |
283 | $q->td( [ |
284 | 'Width **:', |
285 | $q->textfield( -name => 'width', -default => 8.5 ), |
286 | ] ), |
287 | ), |
288 | $q->Tr( |
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289 | $q->td( |
290 | { -colspan => 2, -align => 'center' }, |
291 | $q->submit( |
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292 | -name => 'submit', |
293 | -value => 'Submit', |
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294 | ), |
295 | $q->br, |
296 | q[ |
297 | <small> |
298 | * -- Applies to diagram only<br> |
299 | ** -- Applies to graph only<br> |
300 | </small> |
301 | ], |
302 | ), |
303 | ), |
304 | ), |
305 | $q->end_form, |
306 | $q->end_html; |
307 | } |
308 | |
309 | =pod |
310 | |
311 | =head1 AUTHOR |
312 | |
313 | Ken Y. Clark E<lt>kclark@cpan.orgE<gt> |
314 | |
315 | =cut |