webcit/preferences.c

   1 /*
   2  * $Id$
   3  *
   4  * Manage user preferences with a little help from the Citadel server.
   5  *
   6  */
   7
   8 #include "webcit.h"
   9 #include "webserver.h"
  10
  11
  12
  13 void load_preferences(void) {
  14         char buf[SIZ];
  15         long msgnum = 0L;
  16
  17         serv_printf("GOTO %s", USERCONFIGROOM);
  18         serv_getln(buf, sizeof buf);
  19         if (buf[0] != '2') return;
  20
  21         serv_puts("MSGS ALL|0|1");
  22         serv_getln(buf, sizeof buf);
  23         if (buf[0] == '8') {
  24                 serv_puts("subj|__ WebCit Preferences __");
  25                 serv_puts("000");
  26         }
  27         while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
  28                 msgnum = atol(buf);
  29         }
  30
  31         if (msgnum > 0L) {
  32                 serv_printf("MSG0 %ld", msgnum);
  33                 serv_getln(buf, sizeof buf);
  34                 if (buf[0] == '1') {
  35                         while (serv_getln(buf, sizeof buf),
  36                                 (strcmp(buf, "text") && strcmp(buf, "000"))) {
  37                         }
  38                         if (!strcmp(buf, "text")) {
  39                                 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
  40                                         if (WC->preferences == NULL) {
  41                                                 WC->preferences = malloc(SIZ);
  42                                                 strcpy(WC->preferences, "");
  43                                         }
  44                                         else {
  45                                                 WC->preferences = realloc(
  46                                                         WC->preferences,
  47                                                         strlen(WC->preferences)
  48                                                         +SIZ
  49                                                 );
  50                                         }
  51                                         strcat(WC->preferences, buf);
  52                                         strcat(WC->preferences, "\n");
  53                                 }
  54                         }
  55                 }
  56         }
  57
  58         /* Go back to the room we're supposed to be in */
  59         serv_printf("GOTO %s", WC->wc_roomname);
  60         serv_getln(buf, sizeof buf);
  61 }
  62
  63 /*
  64  * Goto the user's configuration room, creating it if necessary.
  65  * Returns 0 on success or nonzero upon failure.
  66  */
  67 int goto_config_room(void) {
  68         char buf[SIZ];
  69
  70         serv_printf("GOTO %s", USERCONFIGROOM);
  71         serv_getln(buf, sizeof buf);
  72         if (buf[0] != '2') { /* try to create the config room if not there */
  73                 serv_printf("CRE8 1|%s|4|0", USERCONFIGROOM);
  74                 serv_getln(buf, sizeof buf);
  75                 serv_printf("GOTO %s", USERCONFIGROOM);
  76                 serv_getln(buf, sizeof buf);
  77                 if (buf[0] != '2') return(1);
  78         }
  79         return(0);
  80 }
  81
  82
  83 void save_preferences(void) {
  84         char buf[SIZ];
  85         long msgnum = 0L;
  86
  87         if (goto_config_room() != 0) return;    /* oh well. */
  88         serv_puts("MSGS ALL|0|1");
  89         serv_getln(buf, sizeof buf);
  90         if (buf[0] == '8') {
  91                 serv_puts("subj|__ WebCit Preferences __");
  92                 serv_puts("000");
  93         }
  94         while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
  95                 msgnum = atol(buf);
  96         }
  97
  98         if (msgnum > 0L) {
  99                 serv_printf("DELE %ld", msgnum);
 100                 serv_getln(buf, sizeof buf);
 101         }
 102
 103         serv_printf("ENT0 1||0|1|__ WebCit Preferences __|");
 104         serv_getln(buf, sizeof buf);
 105         if (buf[0] == '4') {
 106                 serv_puts(WC->preferences);
 107                 serv_puts("");
 108                 serv_puts("000");
 109         }
 110
 111         /* Go back to the room we're supposed to be in */
 112         serv_printf("GOTO %s", WC->wc_roomname);
 113         serv_getln(buf, sizeof buf);
 114 }
 115
 116 void get_preference(char *key, char *value, size_t value_len) {
 117         int num_prefs;
 118         int i;
 119         char buf[SIZ];
 120         char thiskey[SIZ];
 121
 122         strcpy(value, "");
 123
 124         num_prefs = num_tokens(WC->preferences, '\n');
 125         for (i=0; i<num_prefs; ++i) {
 126                 extract_token(buf, WC->preferences, i, '\n', sizeof buf);
 127                 extract_token(thiskey, buf, 0, '|', sizeof thiskey);
 128                 if (!strcasecmp(thiskey, key)) {
 129                         extract_token(value, buf, 1, '|', value_len);
 130                 }
 131         }
 132 }
 133
 134 void set_preference(char *key, char *value, int save_to_server) {
 135         int num_prefs;
 136         int i;
 137         char buf[SIZ];
 138         char thiskey[SIZ];
 139         char *newprefs = NULL;
 140
 141         num_prefs = num_tokens(WC->preferences, '\n');
 142         for (i=0; i<num_prefs; ++i) {
 143                 extract_token(buf, WC->preferences, i, '\n', sizeof buf);
 144                 if (num_tokens(buf, '|') == 2) {
 145                         extract_token(thiskey, buf, 0, '|', sizeof thiskey);
 146                         if (strcasecmp(thiskey, key)) {
 147                                 if (newprefs == NULL) newprefs = strdup("");
 148                                 newprefs = realloc(newprefs,
 149                                         strlen(newprefs) + SIZ );
 150                                 strcat(newprefs, buf);
 151                                 strcat(newprefs, "\n");
 152                         }
 153                 }
 154         }
 155
 156
 157         if (newprefs == NULL) newprefs = strdup("");
 158         newprefs = realloc(newprefs, strlen(newprefs) + SIZ);
 159         sprintf(&newprefs[strlen(newprefs)], "%s|%s\n", key, value);
 160
 161         free(WC->preferences);
 162         WC->preferences = newprefs;
 163
 164         if (save_to_server) save_preferences();
 165 }
 166
 167
 168
 169
 170 /*
 171  * display form for changing your preferences and settings
 172  */
 173 void display_preferences(void)
 174 {
 175         output_headers(1, 1, 2, 0, 0, 0, 0);
 176         char buf[256];
 177
 178         wprintf("<div id=\"banner\">\n");
 179         wprintf("<TABLE WIDTH=100%% BORDER=0 BGCOLOR=\"#444455\"><TR><TD>");
 180         wprintf("<IMG SRC=\"/static/advanpage2_48x.gif\" ALT=\" \" ALIGN=MIDDLE>");
 181         wprintf("<SPAN CLASS=\"titlebar\">&nbsp;Preferences and settings");
 182         wprintf("</SPAN></TD><TD ALIGN=RIGHT>");
 183         offer_start_page();
 184         wprintf("</TD></TR></TABLE>\n");
 185         wprintf("</div>\n"
 186                 "<div id=\"content\">\n");
 187
 188         wprintf("<div id=\"fix_scrollbar_bug\">"
 189                 "<table border=0 width=100%% bgcolor=\"#ffffff\"><tr><td>\n");
 190
 191         /* begin form */
 192         wprintf("<center>\n"
 193                 "<form name=\"prefform\" action=\"set_preferences\" "
 194                 "method=\"post\">\n"
 195                 "<table border=0 cellspacing=5 cellpadding=5>\n");
 196
 197
 198         get_preference("roomlistview", buf, sizeof buf);
 199         wprintf("<tr><td>Room list view</td><td>");
 200
 201         wprintf("<input type=\"radio\" name=\"roomlistview\" VALUE=\"folders\"");
 202         if (!strcasecmp(buf, "folders")) wprintf(" checked");
 203         wprintf(">Tree (folders) view<br></input>\n");
 204
 205         wprintf("<input type=\"radio\" name=\"roomlistview\" VALUE=\"rooms\"");
 206         if (!strcasecmp(buf, "rooms")) wprintf(" checked");
 207         wprintf(">Table (rooms) view<br></input>\n");
 208
 209         wprintf("</td></tr>\n");
 210
 211
 212         get_preference("calhourformat", buf, sizeof buf);
 213         if (buf[0] == 0) strcpy(buf, "12");
 214         wprintf("<tr><td>Calendar hour format</td><td>");
 215
 216         wprintf("<input type=\"radio\" name=\"calhourformat\" VALUE=\"12\"");
 217         if (!strcasecmp(buf, "12")) wprintf(" checked");
 218         wprintf(">12 hour (am/pm)<br></input>\n");
 219
 220         wprintf("<input type=\"radio\" name=\"calhourformat\" VALUE=\"24\"");
 221         if (!strcasecmp(buf, "24")) wprintf(" checked");
 222         wprintf(">24 hour<br></input>\n");
 223
 224         wprintf("</td></tr>\n");
 225
 226         wprintf("</table>\n"
 227                 "<input type=\"submit\" name=\"action\" value=\"Change\">"
 228                 "&nbsp;"
 229                 "<INPUT type=\"submit\" name=\"action\" value=\"Cancel\">\n");
 230
 231         wprintf("</form></center>\n");
 232
 233         /* end form */
 234
 235
 236         wprintf("</td></tr></table></div>\n");
 237         wDumpContent(1);
 238 }
 239
 240 /*
 241  * Commit new preferences and settings
 242  */
 243 void set_preferences(void)
 244 {
 245         if (strcmp(bstr("action"), "Change")) {
 246                 safestrncpy(WC->ImportantMessage,
 247                         "Cancelled.  No settings were changed.",
 248                         sizeof WC->ImportantMessage);
 249                 display_main_menu();
 250                 return;
 251         }
 252
 253         /* Set the last argument to 1 only for the final setting, so
 254          * we don't send the prefs file to the server repeatedly
 255          */
 256         set_preference("roomlistview", bstr("roomlistview"), 0);
 257         set_preference("calhourformat", bstr("calhourformat"), 1);
 258
 259         display_main_menu();
 260 }