Added a preference setting to allow each user to choose
[citadel.git] / webcit / preferences.c
1 /*
2  * $Id$
3  */
4 /**
5  * \defgroup ManagePrefs Manage user preferences with a little help from the Citadel server.
6  * \ingroup CitadelConfig
7  *
8  */
9 /*@{*/
10 #include "webcit.h"
11 #include "webserver.h"
12 #include "groupdav.h"
13
14
15 /**
16  * \brief display preferences dialog
17  */
18 void load_preferences(void) {
19         char buf[SIZ];
20         long msgnum = 0L;
21
22         serv_printf("GOTO %s", USERCONFIGROOM);
23         serv_getln(buf, sizeof buf);
24         if (buf[0] != '2') return;
25         
26         serv_puts("MSGS ALL|0|1");
27         serv_getln(buf, sizeof buf);
28         if (buf[0] == '8') {
29                 serv_puts("subj|__ WebCit Preferences __");
30                 serv_puts("000");
31         }
32         while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
33                 msgnum = atol(buf);
34         }
35
36         if (msgnum > 0L) {
37                 serv_printf("MSG0 %ld", msgnum);
38                 serv_getln(buf, sizeof buf);
39                 if (buf[0] == '1') {
40                         while (serv_getln(buf, sizeof buf),
41                                 (strcmp(buf, "text") && strcmp(buf, "000"))) {
42                         }
43                         if (!strcmp(buf, "text")) {
44                                 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
45                                         if (WC->preferences == NULL) {
46                                                 WC->preferences = malloc(SIZ);
47                                                 strcpy(WC->preferences, "");
48                                         }
49                                         else {
50                                                 WC->preferences = realloc(
51                                                         WC->preferences,
52                                                         strlen(WC->preferences)
53                                                         +SIZ
54                                                 );
55                                         }
56                                         strcat(WC->preferences, buf);
57                                         strcat(WC->preferences, "\n");
58                                 }
59                         }
60                 }
61         }
62
63         /** Go back to the room we're supposed to be in */
64         serv_printf("GOTO %s", WC->wc_roomname);
65         serv_getln(buf, sizeof buf);
66 }
67
68 /**
69  * \brief Goto the user's configuration room, creating it if necessary.
70  * \return 0 on success or nonzero upon failure.
71  */
72 int goto_config_room(void) {
73         char buf[SIZ];
74
75         serv_printf("GOTO %s", USERCONFIGROOM);
76         serv_getln(buf, sizeof buf);
77         if (buf[0] != '2') { /* try to create the config room if not there */
78                 serv_printf("CRE8 1|%s|4|0", USERCONFIGROOM);
79                 serv_getln(buf, sizeof buf);
80                 serv_printf("GOTO %s", USERCONFIGROOM);
81                 serv_getln(buf, sizeof buf);
82                 if (buf[0] != '2') return(1);
83         }
84         return(0);
85 }
86
87 /**
88  * \brief save the modifications
89  */
90 void save_preferences(void) {
91         char buf[SIZ];
92         long msgnum = 0L;
93
94         if (goto_config_room() != 0) return;    /* oh well. */
95         serv_puts("MSGS ALL|0|1");
96         serv_getln(buf, sizeof buf);
97         if (buf[0] == '8') {
98                 serv_puts("subj|__ WebCit Preferences __");
99                 serv_puts("000");
100         }
101         while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
102                 msgnum = atol(buf);
103         }
104
105         if (msgnum > 0L) {
106                 serv_printf("DELE %ld", msgnum);
107                 serv_getln(buf, sizeof buf);
108         }
109
110         serv_printf("ENT0 1||0|1|__ WebCit Preferences __|");
111         serv_getln(buf, sizeof buf);
112         if (buf[0] == '4') {
113                 serv_puts(WC->preferences);
114                 serv_puts("");
115                 serv_puts("000");
116         }
117
118         /** Go back to the room we're supposed to be in */
119         serv_printf("GOTO %s", WC->wc_roomname);
120         serv_getln(buf, sizeof buf);
121 }
122
123 /**
124  * \brief query the actual setting of key in the citadel database
125  * \param key config key to query
126  * \param value value to the key to get
127  * \param value_len length of the value string
128  */
129 void get_preference(char *key, char *value, size_t value_len) {
130         int num_prefs;
131         int i;
132         char buf[SIZ];
133         char thiskey[SIZ];
134
135         strcpy(value, "");
136
137         num_prefs = num_tokens(WC->preferences, '\n');
138         for (i=0; i<num_prefs; ++i) {
139                 extract_token(buf, WC->preferences, i, '\n', sizeof buf);
140                 extract_token(thiskey, buf, 0, '|', sizeof thiskey);
141                 if (!strcasecmp(thiskey, key)) {
142                         extract_token(value, buf, 1, '|', value_len);
143                 }
144         }
145 }
146
147 /**
148  * \brief       Write a key into the webcit preferences database for this user
149  *
150  * \params      key             key whichs value is to be modified
151  * \param       value           value to set
152  * \param       save_to_server  1 = flush all data to the server, 0 = cache it for now
153  */
154 void set_preference(char *key, char *value, int save_to_server) {
155         int num_prefs;
156         int i;
157         char buf[SIZ];
158         char thiskey[SIZ];
159         char *newprefs = NULL;
160         size_t newprefs_len = 0;
161
162         newprefs_len = strlen(key) + strlen(value) + 10;
163         if (WC->preferences != NULL) newprefs_len += strlen(WC->preferences);
164         newprefs = malloc(newprefs_len);
165         if (newprefs == NULL) return;
166         strcpy(newprefs, "");
167
168         num_prefs = num_tokens(WC->preferences, '\n');
169         for (i=0; i<num_prefs; ++i) {
170                 extract_token(buf, WC->preferences, i, '\n', sizeof buf);
171                 if (num_tokens(buf, '|') == 2) {
172                         extract_token(thiskey, buf, 0, '|', sizeof thiskey);
173                         if (strcasecmp(thiskey, key)) {
174                                 strcat(newprefs, buf);
175                                 strcat(newprefs, "\n");
176                         }
177                 }
178         }
179
180         sprintf(&newprefs[strlen(newprefs)], "%s|%s\n", key, value);
181         free(WC->preferences);
182         WC->preferences = newprefs;
183
184         if (save_to_server) save_preferences();
185 }
186
187
188
189
190 /** 
191  * \brief display form for changing your preferences and settings
192  */
193 void display_preferences(void)
194 {
195         output_headers(1, 1, 1, 0, 0, 0);
196         char ebuf[300];
197         char buf[256];
198         int i;
199         int time_format;
200         time_t tt;
201         struct tm tm;
202         char daylabel[32];
203         
204         time_format = get_time_format_cached ();
205
206         wprintf("<div class=\"box\">\n");
207         wprintf("<div class=\"boxlabel\">");
208         wprintf(_("Preferences and settings"));
209         wprintf("</div>");
210
211         wprintf("<div class=\"boxcontent\">");
212
213         /** begin form */
214         wprintf("<form name=\"prefform\" action=\"set_preferences\" "
215                 "method=\"post\">\n");
216         wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%ld\">\n", WC->nonce);
217
218         /** begin table */
219         wprintf("<table class=\"altern\">\n");
220
221         /**
222          * Room list view
223          */
224         get_preference("roomlistview", buf, sizeof buf);
225         wprintf("<tr class=\"even\"><td>");
226         wprintf(_("Room list view"));
227         wprintf("</td><td>");
228
229         wprintf("<input type=\"radio\" name=\"roomlistview\" VALUE=\"folders\"");
230         if (!strcasecmp(buf, "folders")) wprintf(" checked");
231         wprintf(">");
232         wprintf(_("Tree (folders) view"));
233         wprintf("</input>&nbsp;&nbsp;&nbsp;");
234
235         wprintf("<input type=\"radio\" name=\"roomlistview\" VALUE=\"rooms\"");
236         if (!strcasecmp(buf, "rooms")) wprintf(" checked");
237         wprintf(">");
238         wprintf(_("Table (rooms) view"));
239         wprintf("</input>\n");
240
241         wprintf("</td></tr>\n");
242
243         /**
244          * Time hour format
245          */
246
247         wprintf("<tr class=\"odd\"><td>");
248         wprintf(_("Time format"));
249         wprintf("</td><td>");
250
251         wprintf("<input type=\"radio\" name=\"calhourformat\" VALUE=\"12\"");
252         if (time_format == WC_TIMEFORMAT_AMPM) 
253                 wprintf(" checked");
254         wprintf(">");
255         wprintf(_("12 hour (am/pm)"));
256         wprintf("</input>&nbsp;&nbsp;&nbsp;");
257
258         wprintf("<input type=\"radio\" name=\"calhourformat\" VALUE=\"24\"");
259         if (time_format == WC_TIMEFORMAT_24)
260                 wprintf(" checked");
261         wprintf(">");
262         wprintf(_("24 hour"));
263         wprintf("</input>\n");
264
265         wprintf("</td></tr>\n");
266
267         /**
268          * Calendar day view -- day start time
269          */
270         get_preference("daystart", buf, sizeof buf);
271         if (buf[0] == 0) strcpy(buf, "8");
272         wprintf("<tr class=\"even\"><td>");
273         wprintf(_("Calendar day view begins at:"));
274         wprintf("</td><td>");
275
276         wprintf("<select name=\"daystart\" size=\"1\">\n");
277         for (i=0; i<=23; ++i) {
278
279                 if (time_format == WC_TIMEFORMAT_24) {
280                         wprintf("<option %s value=\"%d\">%d:00</option>\n",
281                                 ((atoi(buf) == i) ? "selected" : ""),
282                                 i, i
283                         );
284                 }
285                 else {
286                         wprintf("<option %s value=\"%d\">%s</option>\n",
287                                 ((atoi(buf) == i) ? "selected" : ""),
288                                 i, hourname[i]
289                         );
290                 }
291
292         }
293         wprintf("</select>\n");
294         wprintf("</td></tr>\n");
295
296         /**
297          * Calendar day view -- day end time
298          */
299         get_preference("dayend", buf, sizeof buf);
300         if (buf[0] == 0) strcpy(buf, "17");
301         wprintf("<tr class=\"odd\"><td>");
302         wprintf(_("Calendar day view ends at:"));
303         wprintf("</td><td>");
304
305         wprintf("<select name=\"dayend\" size=\"1\">\n");
306         for (i=0; i<=23; ++i) {
307
308                 if (time_format == WC_TIMEFORMAT_24) {
309                         wprintf("<option %s value=\"%d\">%d:00</option>\n",
310                                 ((atoi(buf) == i) ? "selected" : ""),
311                                 i, i
312                         );
313                 }
314                 else {
315                         wprintf("<option %s value=\"%d\">%s</option>\n",
316                                 ((atoi(buf) == i) ? "selected" : ""),
317                                 i, hourname[i]
318                         );
319                 }
320
321         }
322         wprintf("</select>\n");
323         wprintf("</td></tr>\n");
324
325         /**
326          * Day of week to begin calendar month view
327          */
328         get_preference("weekstart", buf, sizeof buf);
329         if (buf[0] == 0) strcpy(buf, "17");
330         wprintf("<tr class=\"even\"><td>");
331         wprintf(_("Week starts on:"));
332         wprintf("</td><td>");
333
334         wprintf("<select name=\"weekstart\" size=\"1\">\n");
335
336         for (i=0; i<=1; ++i) {
337                 tt = time(NULL);
338                 localtime_r(&tt, &tm);
339                 tm.tm_wday = i;
340                 wc_strftime(daylabel, sizeof daylabel, "%A", &tm);
341
342                 wprintf("<option %s value=\"%d\">%s</option>\n",
343                         ((atoi(buf) == i) ? "selected" : ""),
344                         i, daylabel
345                 );
346         }
347
348         wprintf("</select>\n");
349         wprintf("</td></tr>\n");
350
351         /**
352          * Signature
353          */
354         get_preference("use_sig", buf, sizeof buf);
355         if (buf[0] == 0) strcpy(buf, "no");
356         wprintf("<tr class=\"odd\"><td>");
357         wprintf(_("Attach signature to email messages?"));
358         wprintf("</td><td>");
359
360         wprintf("       <script type=\"text/javascript\">                                       "
361                 "       function show_or_hide_sigbox() {                                        "
362                 "               if ( $F('yes_sig') ) {                                          "
363                 "                       $('signature_box').style.display = 'inline';            "
364                 "               }                                                               "
365                 "               else {                                                          "
366                 "                       $('signature_box').style.display = 'none';              "
367                 "               }                                                               "
368                 "       }                                                                       "
369                 "       </script>                                                               "
370         );
371
372         wprintf("<input type=\"radio\" id=\"no_sig\" name=\"use_sig\" VALUE=\"no\"");
373         if (!strcasecmp(buf, "no")) wprintf(" checked");
374         wprintf(" onChange=\"show_or_hide_sigbox();\" >");
375         wprintf(_("No signature"));
376         wprintf("</input>&nbsp,&nbsp;&nbsp;\n");
377
378         wprintf("<input type=\"radio\" id=\"yes_sig\" name=\"use_sig\" VALUE=\"yes\"");
379         if (!strcasecmp(buf, "yes")) wprintf(" checked");
380         wprintf(" onChange=\"show_or_hide_sigbox();\" >");
381         wprintf(_("Use this signature:"));
382         wprintf("<div id=\"signature_box\">"
383                 "<br><textarea name=\"signature\" cols=\"40\" rows=\"5\">"
384         );
385         get_preference("signature", ebuf, sizeof ebuf);
386         euid_unescapize(buf, ebuf);
387         escputs(buf);
388         wprintf("</textarea>"
389                 "</div>"
390         );
391
392         wprintf("</input>\n");
393
394         wprintf("</td></tr>\n");
395
396         wprintf("       <script type=\"text/javascript\">       "
397                 "       show_or_hide_sigbox();                  "
398                 "       </script>                               "
399         );
400
401         /** Character set to assume is in use for improperly encoded headers */
402         get_preference("default_header_charset", buf, sizeof buf);
403         if (buf[0] == 0) strcpy(buf, "UTF-8");
404         wprintf("<tr class=\"even\"><td>");
405         wprintf(_("Default character set for email headers:"));
406         wprintf("</td><td>");
407         wprintf("<input type=\"text\" NAME=\"default_header_charset\" MAXLENGTH=\"32\" VALUE=\"");
408         escputs(buf);
409         wprintf("\">");
410         wprintf("</td></tr>");
411
412         /** end table */
413         wprintf("</table>\n");
414
415         /** submit buttons */
416         wprintf("<div class=\"buttons\"> ");
417         wprintf("<input type=\"submit\" name=\"change_button\" value=\"%s\">"
418                 "&nbsp;"
419                 "<INPUT type=\"submit\" name=\"cancel_button\" value=\"%s\">\n",
420                 _("Change"),
421                 _("Cancel")
422         );
423         wprintf("</div>\n");
424
425         /** end form */
426         wprintf("</form>\n");
427         wprintf("</div>\n");
428         wDumpContent(1);
429 }
430
431 /**
432  * \brief Commit new preferences and settings
433  */
434 void set_preferences(void)
435 {
436         char *fmt;
437         char ebuf[300];
438         int *time_format_cache;
439         
440         time_format_cache = &(WC->time_format_cache);
441
442         if (IsEmptyStr(bstr("change_button"))) {
443                 safestrncpy(WC->ImportantMessage, 
444                         _("Cancelled.  No settings were changed."),
445                         sizeof WC->ImportantMessage);
446                 display_main_menu();
447                 return;
448         }
449
450         /**
451          * Set the last argument to 1 only for the final setting, so
452          * we don't send the prefs file to the server repeatedly
453          */
454         set_preference("roomlistview", bstr("roomlistview"), 0);
455         fmt = bstr("calhourformat");
456         set_preference("calhourformat", fmt, 0);
457         if (!strcasecmp(fmt, "24")) 
458                 *time_format_cache = WC_TIMEFORMAT_24;
459         else
460                 *time_format_cache = WC_TIMEFORMAT_AMPM;
461
462         set_preference("weekstart", bstr("weekstart"), 0);
463         set_preference("use_sig", bstr("use_sig"), 0);
464         set_preference("daystart", bstr("daystart"), 0);
465         set_preference("dayend", bstr("dayend"), 0);
466         set_preference("default_header_charset", bstr("default_header_charset"), 0);
467
468         euid_escapize(ebuf, bstr("signature"));
469         set_preference("signature", ebuf, 1);
470
471         display_main_menu();
472 }
473
474
475 /*@}*/