2 * RGB2R-C128-Kassenprogramm
3 * © 2007-2009 phil_fry, sECuRE, sur5r
4 * See LICENSE for license information
18 static char *filter = NULL;
19 static BYTE filter_len;
21 static BYTE current_credits_page = 0;
23 static void credit_print_screen() {
28 cprintf("credit_manager (phil_fry, sECuRE, sur5r) v:" GV "\r\n\r\n");
29 pages = (credits.num_items / CREDITS_PER_PAGE);
30 if (current_credits_page > pages)
31 current_credits_page = pages;
32 cprintf("Datei: CREDITS (Seite %d von %d)\r\n\r\n", current_credits_page, pages);
33 for (i = (current_credits_page * CREDITS_PER_PAGE); i < credits.num_items && i < ((current_credits_page+1) * CREDITS_PER_PAGE); i++) {
34 if (filter == NULL || strncmp(credits.credits[i].nickname, filter, filter_len) == 0) {
35 if (format_euro(buffer, 10, credits.credits[i].credit) != buffer) {
36 cprintf("Error: Could not format credit %d\r\n", credits.credits[i].credit);
40 cprintf("%d: %s: %s\r\n", i, credits.credits[i].nickname, buffer);
43 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");
46 struct credits_t *find_credit(char *name){
48 for (i = 0; i < credits.num_items; i++)
49 if (strncmp(name, credits.credits[i].nickname, NICKNAME_MAX_LEN + 1) == 0)
50 return &credits.credits[i];
55 * Deposits credit for a user. Called in the credit manager (with input ==
56 * NULL) or interactively when the user does not have enough money for his
57 * intended purchase (with input == nickname).
60 void deposit_credit(char *input) {
61 char *time = get_time();
62 struct credits_t *credit;
66 cprintf("\r\nName:\r\n");
67 if ((input = get_input()) == NULL || *input == '\0')
68 return; // no name given
71 if ((credit = find_credit(input)) == NULL)
72 return; // cannot find named credit
74 cprintf("\r\nEinzahlung in Cent:\r\n");
75 if ((input = get_input()) == NULL || *input == '\0' || (deposit = atoi(input)) == 0)
78 credit->credit += deposit;
81 cprintf("%d Cent eingezahlt fuer %s.\r\nRestguthaben: %d\r\n", deposit, credit->nickname, credit->credit);
82 sprintf(print_buffer, "%c%s - %d Cent eingezahlt fuer %s. Restguthaben: %d Cent\r", 17, time, deposit, credit->nickname, credit->credit);
83 cprintf("%s", print_buffer);
86 cprintf("\r\nEinzahlung durchgefuehrt, druecke RETURN...\r\n");
93 static void new_credit() {
98 if (credits.num_items == 75) {
99 cprintf("\rEs ist bereits die maximale Anzahl an Eintraegen erreicht, druecke RETURN...\r\n");
105 cprintf("\rNickname:\r\n");
106 if ((input = get_input()) == NULL || *input == '\0')
108 name = strdup(input);
109 cprintf("\r\nGuthaben in Cents:\r\n");
110 if ((input = get_input()) == NULL || *input == '\0' || (credit = atoi(input)) == 0)
112 strcpy(credits.credits[credits.num_items].nickname, name);
113 credits.credits[credits.num_items].credit = credit;
116 sprintf(print_buffer, "%c%s - Guthaben mit %d Cent fuer %s angelegt\r", 17, time, credit, name);
123 static void _delete_credit(BYTE num) {
124 memset(credits.credits[num].nickname, '\0', 11);
125 credits.credits[num].credit = 0;
128 static void delete_credit() {
132 cprintf("\r Welcher Eintrag soll geloescht werden?\r\n");
133 if ((input = get_input()) == NULL || *input == '\0')
136 if (credits.num_items > 1) {
137 /* Swap last item with this one and delete the last one to avoid holes */
138 last = (credits.num_items - 1);
139 strcpy(credits.credits[num].nickname, credits.credits[last].nickname);
140 credits.credits[num].credit = credits.credits[last].credit;
141 _delete_credit(last);
149 void credit_manager(){
152 credit_print_screen();
158 delete_credit(); break;
160 save_credits(); break;
162 if (current_credits_page < (credits.num_items / CREDITS_PER_PAGE))
163 current_credits_page++;
166 if (current_credits_page > 0)
167 current_credits_page--;
170 deposit_credit(NULL); break;
172 cprintf("Filter eingeben:\r\n");
173 filter = get_input();
174 if (filter == NULL || *filter == 32 || (filter_len = strlen(filter)) == 0)
181 cprintf("Unbekannter Befehl, druecke RETURN...\r\n");