2 * RGB2R-C128-Kassenprogramm
3 * © 2007-2009 phil_fry, sECuRE, sur5r
4 * See LICENSE for license information
19 static char *filter = NULL;
20 static BYTE filter_len;
22 static BYTE current_credits_page = 0;
24 static void credit_print_screen(void) {
29 cprintf("credit_manager (phil_fry, sECuRE, sur5r) v:" GV "\r\n\r\n");
30 pages = (credits.num_items / CREDITS_PER_PAGE);
31 if (current_credits_page > pages)
32 current_credits_page = pages;
33 cprintf("Datei: CREDITS (Seite %d von %d)\r\n\r\n", current_credits_page, pages);
34 for (i = (current_credits_page * CREDITS_PER_PAGE); i < credits.num_items && i < ((current_credits_page+1) * CREDITS_PER_PAGE); i++) {
35 if (filter == NULL || strncmp(credits.credits[i].nickname, filter, filter_len) == 0) {
36 if (format_euro(buffer, 10, credits.credits[i].credit) != buffer) {
37 cprintf("Error: Could not format credit %d\r\n", credits.credits[i].credit);
41 cprintf("%d: %s: %s\r\n", i, credits.credits[i].nickname, buffer);
44 cprintf("\r\nn) Neu d) Loeschen p) Einzahlen b) Seite hoch f) Seite runter\r\ng) Filtern e) Aendern s) Speichern z) Zurueck\r\n");
47 struct credits_t *find_credit(char *name){
49 for (i = 0; i < credits.num_items; i++)
50 if (strncmp(name, credits.credits[i].nickname, NICKNAME_MAX_LEN + 1) == 0)
51 return &credits.credits[i];
56 * Deposits credit for a user. Called in the credit manager (with input ==
57 * NULL) or interactively when the user does not have enough money for his
58 * intended purchase (with input == nickname).
61 void deposit_credit(char *input) {
62 char *time = get_time();
63 struct credits_t *credit;
67 cprintf("\r\nName:\r\n");
68 if ((input = get_input()) == NULL || *input == '\0')
69 return; // no name given
72 if ((credit = find_credit(input)) == NULL)
73 return; // cannot find named credit
75 cprintf("\r\nEinzahlung in Cent:\r\n");
76 if ((input = get_input()) == NULL || *input == '\0' || (deposit = atoi(input)) == 0)
79 credit->credit += deposit;
82 cprintf("%d Cent eingezahlt fuer %s.\r\nRestguthaben: %d\r\n", deposit, credit->nickname, credit->credit);
83 sprintf(print_buffer, "%c%s - %d Cent eingezahlt fuer %s. Restguthaben: %d Cent\r", 17, time, deposit, credit->nickname, credit->credit);
84 cprintf("%s", print_buffer);
87 cprintf("\r\nEinzahlung durchgefuehrt, druecke RETURN...\r\n");
94 static void new_credit(void) {
99 if (credits.num_items == 75) {
100 cprintf("\rEs ist bereits die maximale Anzahl an Eintraegen erreicht, druecke RETURN...\r\n");
106 cprintf("\rNickname (max. 10 Zeichen):\r\n");
107 if ((input = get_input()) == NULL || *input == '\0')
109 name = strdup(input);
110 cprintf("\r\nGuthaben in Cents:\r\n");
111 if ((input = get_input()) == NULL || *input == '\0' || (credit = atoi(input)) == 0)
113 strncpy(credits.credits[credits.num_items].nickname, name, NICKNAME_MAX_LEN);
114 credits.credits[credits.num_items].credit = credit;
117 sprintf(print_buffer, "%c%s - Guthaben mit %d Cent fuer %s angelegt\r", 17, time, credit, name);
124 static void _delete_credit(BYTE num) {
125 memset(credits.credits[num].nickname, '\0', 11);
126 credits.credits[num].credit = 0;
129 static void delete_credit(void) {
133 cprintf("\r Welcher Eintrag soll geloescht werden?\r\n");
134 if ((input = get_input()) == NULL || *input == '\0')
137 if (credits.num_items > 1) {
138 /* Swap last item with this one and delete the last one to avoid holes */
139 last = (credits.num_items - 1);
140 strcpy(credits.credits[num].nickname, credits.credits[last].nickname);
141 credits.credits[num].credit = credits.credits[last].credit;
142 _delete_credit(last);
150 void credit_manager(){
153 credit_print_screen();
159 delete_credit(); break;
161 save_credits(); break;
163 if (current_credits_page < (credits.num_items / CREDITS_PER_PAGE))
164 current_credits_page++;
167 if (current_credits_page > 0)
168 current_credits_page--;
171 deposit_credit(NULL); break;
173 cprintf("Filter eingeben:\r\n");
174 filter = get_input();
175 if (filter == NULL || *filter == 32 || (filter_len = strlen(filter)) == 0)
182 cprintf("Unbekannter Befehl, druecke RETURN...\r\n");