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Loan Management system using C++

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Loan Management system using C++



  1. /* This file contains the main code */
  2.  
  3. #include<iostream.h> 
  4. #include<fstream.h>
  5. #include<stdio.h>
  6. #include<iomanip.h>
  7. #include<stdlib.h>
  8. #include<conio.h>
  9. #include<string.h>
  10. #include<dir.h>
  11. #include<dos.h>
  12. #include<bios.h>
  13. #include<graphics.h>
  14.  
  15. void screen();
  16. void drawdoublelinebox(int,int,int,int);
  17. void drawsinglelinebox(int,int,int,int);
  18. void normal();
  19.  
  20.  
  21. #define datafile "E.txt"
  22. #define recsize 78
  23. #define max 59
  24. #define bucketsize 3
  25. int hash(char a[]);
  26. fstream file;
  27. char buffer[100];
  28.  
  29. class Loan
  30. {
  31. public:
  32.   char account_no[12],bank_id[10],cust_name[12],phone[12],occupation[7],loan_type[7],branch_id[8],ROI[5];
  33. public:
  34. 	void initial();
  35. 	void read();
  36.         void pack();
  37.         void unpack();
  38. 	int  retrieve(int addr,char k[],int i);
  39. 	void datadisp();
  40. 	int  remove(int addr,char k[]);
  41. 	void modify(int addr ,char k[]);
  42. };
  43.  
  44. int myatoi(char *k)
  45. {
  46.    int res=0;
  47.    for(int i=0;k[i]!='\0';++i)
  48.    {
  49.       if(k[i]==58)
  50. 	 continue;
  51.       res=res*10+k[i]-48;
  52.    }
  53.    //cout<<res;
  54.    return res;
  55. }
  56.  
  57. void opener(fstream &file,char *fn,int mode)
  58. {
  59. 	file.open(fn,mode);
  60. 	if(!file)
  61. 	{
  62. 		cout<<"UNABLE TO OPEN THE FILE\n"<<fn;
  63. 		getch();
  64. 		exit(1);
  65. 	}
  66. }
  67.  
  68. void Loan::initial()
  69. {
  70. 	int i,j;
  71. 	file.open(datafile,ios::in);
  72. 	if(!file)
  73. 	{
  74. 		file.open(datafile,ios::out);
  75. 		if(!file)
  76. 		{
  77. 			cout<<"UNABLE TO OPEN THE FILE\n";
  78. 			getch();
  79. 			exit(1);
  80. 		}
  81. 		for(i=0;i<max;i++)
  82. 		{
  83. 			file.seekp(i*recsize*3,ios::beg);
  84. 			for(j=0;j<(recsize*3)-2;j++)
  85. 			   file<<"#";
  86. 			file<<endl;
  87. 		}
  88. 		cout<<"EMPTY FILE CREATED\n";
  89. 	}
  90. 	file.close();
  91. 	return;
  92. }
  93. void Loan::read()
  94. {
  95. 	int addr,len,len1,len2,len3,len4,len5;
  96. 	char acc_no[12],dbank_id[10],dbranch_id[8];
  97.  
  98.    LABEL:
  99. 	cout<<"\n\t\t\tENTER THE ACCOUNT NUMBER: ";
  100. 	gets(acc_no);
  101. 	len=strlen(acc_no);
  102.       	addr=hash(acc_no);
  103. 	if(len!=8)
  104. 	{
  105. 		cout<<"\n\t  ENTER THE VALID ACCOUNT NUMBER(8 CHARACTERS): ";
  106. 		goto LABEL;
  107. 	}
  108.  
  109. 	if(retrieve(addr,acc_no,0)>0)
  110. 	{	
  111. 		cout<<"!!*** ACCOUNT NUMBER IS ALREADY PRESENT, WE CANNOT ADD IT TO THE HASH FILE ***!!\n";
  112. 		goto LABEL;
  113. 	}
  114. 	file.close();
  115. 	strcpy(account_no,acc_no);
  116.  
  117.       DESC:
  118. 	cout<<"\n\t\t\tENTER BANK ID: ";
  119. 	gets(dbank_id);
  120. 	len1=strlen(dbank_id);
  121. 	if(len1!=8||dbank_id[0]>63||dbank_id[1]<63||dbank_id[2]<63||dbank_id[3]<63 ||dbank_id[4]<63 ||dbank_id[5]<63||dbank_id[6]<63||dbank_id[7]<63||dbank_id[8]>63)
  122. 	{
  123. 		cout<<"\n\t  ENTER THE VALID BANK ID(8 CHARACTERS): ";
  124. 		goto DESC;
  125. 	}
  126. 	file.close();
  127. 	strcpy(bank_id,dbank_id);
  128.  
  129.      NAME:
  130. 	cout<<"\n\t\t\tENTER THE CUSTOMER NAME: ";
  131. 	gets(cust_name);
  132. 	int i=0;
  133. 		while(cust_name[i]!='\0')
  134. 		{
  135. 			 if(cust_name[i]<63||i>9)
  136. 			{
  137. 				  cout<<"\n\t  ENTER THE VALID CUSTOMER NAME(LESS THAN 10 CHARACTERS): ";
  138. 				 goto NAME;
  139. 			}
  140. 			i++;
  141. 		}
  142.  
  143.      PH:
  144. 	i=0;
  145. 	cout<<"\n\t\t\tENTER THE PHONE: ";
  146. 	gets(phone);
  147. 	len3=strlen(phone);
  148. 	while(phone[i]!='\0')
  149. 	{
  150. 	    if(phone[i]>63 ||i>9 ||len3!=10)
  151. 	    {
  152. 	      cout<<"\n\t  ENTER VALID PHONE NUMBER: ";
  153. 	      goto PH;
  154. 	    }
  155. 	      i++;
  156. 	}
  157.   /* if(i!=11)
  158. {
  159.      cout<<"\n\t  ENTER VALID PHONE NUMBER: ";
  160. 	      goto PH;
  161.  
  162. }*/
  163.     OCC:
  164. 	int ch;
  165. 	cout<<"\n\t\t\tENTER THE OCCUPATION: \n\t\t\t1.Government\n\t\t\t2.Private\n\t\t\t3.Others\n\t\t\t ";
  166. 	cin>>ch;
  167. 	switch(ch){
  168. 		case 1: strcpy(occupation,"Govt");
  169. 			break;
  170. 		case 2: strcpy(occupation,"prvt");
  171. 			break;
  172. 		case 3: strcpy(occupation,"others");
  173. 			break;
  174. 		default: goto OCC;
  175. 	}
  176.  
  177.      LOAN:
  178. 	cout<<"\n\t The loan types are:\n ";
  179.    cout<<"\n\t\t\t 1.Education loan";
  180.    cout<<"\n\t\t\t 2.Home loan";
  181.    cout<<"\n\t\t\t 3.Car loan\n";
  182.    int chi;
  183.    cout<<"\n\t\t\t Enter choice:\t ";
  184.    cin>>chi;
  185.    if(chi==1)
  186.    {
  187. 	strcpy(loan_type,"Edu");
  188. 	strcpy(ROI,"10");
  189.    }
  190.    else if(chi==2)
  191.    {
  192. 	strcpy(loan_type,"Home");
  193. 	strcpy(ROI,"12");
  194.    }
  195.    else
  196.    {
  197. 	strcpy(loan_type,"Car");
  198. 	strcpy(ROI,"18");
  199.    }
  200.  
  201.  
  202.     BRANCH:
  203. 	cout<<"\n\t\t\tENTER THE BRANCH ID: ";
  204. 	gets(dbranch_id);
  205. 	len2=strlen(dbranch_id);
  206. 	if(len2!=5)
  207. 	{
  208. 		cout<<"\n\t  ENTER THE VALID BRANCH ID(5 CHARACTERS): \n";
  209. 		goto BRANCH;
  210. 	}
  211. 	file.close();
  212. 	strcpy(branch_id,dbranch_id);
  213.  
  214. 	pack();
  215. 	return;
  216. }
  217. void Loan::pack()
  218. {
  219. 	strcpy(buffer,account_no);		strcat(buffer,"|");
  220. 	strcat(buffer,bank_id);			strcat(buffer,"|");
  221. 	strcat(buffer,cust_name);		strcat(buffer,"|");
  222. 	strcat(buffer,phone);			strcat(buffer,"|");
  223. 	strcat(buffer,occupation);		strcat(buffer,"|");
  224. 	strcat(buffer,loan_type);		strcat(buffer,"|");
  225. 	strcat(buffer,branch_id);		strcat(buffer,"|");
  226. 	strcat(buffer,ROI);        		strcat(buffer,"|");
  227. }
  228.  
  229. int hash(char account_no[])
  230. {
  231. int i=0,sum=0,c,len;
  232. len=strlen(account_no);
  233. if(len%2==1)
  234.     len++;
  235. for(i=0;i<len;i++)
  236.     sum=(sum+((account_no[i]-48)));
  237. c=sum%max;
  238. cout<<"\n\t\t    HASH KEY GENERATED IS: "<<c<<endl;
  239. return c;
  240. }
  241.  
  242. void store(int addr)
  243. {
  244. char dummy[10];
  245. int flag=0,i;
  246. file.open(datafile,ios::in|ios::out);
  247. file.seekg(addr*recsize*bucketsize,ios::beg);
  248. file.getline(dummy,5,'\n');
  249. if(strcmp(dummy,"####")==0 ||strcmp(dummy,"$$$$")==0)
  250. {
  251. 	file.seekp(addr*recsize*bucketsize,ios::beg);
  252. 	file<<buffer;
  253. 	clrscr();
  254. 	textcolor(YELLOW);
  255. 	textbackground(BLACK);
  256. 	cout<<"\n\n\n\n";
  257. 	for(int q=0;q<80;q++) cout<<'~';
  258. 	for(int w=0;w<80;w++) cout<<'*';
  259. 	cout<<"\n\n\t\t   LOAN RECORD INSERTED SUCCESSFULLY....!!\n\n";
  260. 	for(int e=0;e<80;e++) cout<<'*';
  261. 	cout<<"\n";
  262. 	for(int r=0;r<80;r++) cout<<'~';
  263. 	getch();
  264. 	flag=1;
  265. }
  266. file.seekg(addr*recsize*bucketsize+recsize,ios::beg);
  267. file.getline(dummy,5,'\n');
  268. if((strcmp(dummy,"####")==0||strcmp(dummy,"$$$$")==0) && flag!=1)
  269. {
  270. 	file.seekp(addr*recsize*bucketsize+recsize,ios::beg);
  271. 	file<<buffer;clrscr();
  272. 	textcolor(YELLOW);
  273. 	textbackground(BLACK);
  274. 	cout<<"\n\n\n\n";
  275. 	for(int q=0;q<80;q++) cout<<'~';
  276. 	for(int w=0;w<80;w++) cout<<'*';
  277. 	cout<<"\n\n\t\t   LOAN RECORD INSERTED SUCCESSFULLY....!!\n\n";
  278. 	for(int e=0;e<80;e++) cout<<'*';
  279. 	cout<<"\n";
  280. 	for(int r=0;r<80;r++) cout<<'~';
  281. 	getch();
  282. 	flag=1;
  283. }
  284. file.seekg(addr*recsize*bucketsize+(2*recsize),ios::beg);
  285. file.getline(dummy,5,'\n');
  286. if((strcmp(dummy,"####")==0||strcmp(dummy,"$$$$")==0)&&flag!=1)
  287. {
  288. 	file.seekp(addr*recsize*bucketsize+(2*recsize),ios::beg);
  289. 	file<<buffer;
  290. 	clrscr();
  291. 	textcolor(YELLOW);
  292. 	textbackground(BLACK);
  293. 	cout<<"\n\n\n\n";
  294. 	for(int q=0;q<80;q++) cout<<'~';
  295. 	for(int w=0;w<80;w++) cout<<'*';
  296. 	cout<<"\n\n\t\t   LOAN RECORD INSERTED SUCCESSFULLY....!!\n\n";
  297. 	for(int e=0;e<80;e++) cout<<'*';
  298. 	cout<<"\n";
  299. 	for(int r=0;r<80;r++) cout<<'~';
  300. 	getch();
  301. 	flag=1;
  302. }
  303. if(flag!=1)
  304. {
  305. for(i=addr+1;i!=addr;i++)
  306. {
  307. 	if(i%max==0)
  308. 		i=0;
  309. 	file.seekg(i*recsize*bucketsize,ios::beg);
  310. 	file.getline(dummy,5,'\n');
  311. 	if(strcmp(dummy,"####")==0||strcmp(dummy,"$$$$")==0)
  312. 	{
  313. 		clrscr();
  314. 		textcolor(YELLOW);
  315. 		textbackground(BLACK);		
  316. 		cout<<"\n\n\n\n";
  317. 		for(int t=0;t<80;t++) cout<<'~';
  318. 		for(int y=0;y<80;y++) cout<<'*';
  319. 		cout<<"\n\n\t\t\tCOLLISION HAS OCCURED....!!\n\n";
  320. 		cout<<"\t      HOME ADDRESS IS: "<<addr<<" & ACTUAL ADDRESS IS: "<<i<<"\n";
  321. 		file.seekp(i*recsize*bucketsize,ios::beg);
  322. 		file<<buffer;
  323. 		textcolor(YELLOW);
  324. 		textbackground(BLACK);
  325. 		cout<<"\n\n\t\t   LOAN RECORD INSERTED SUCCESSFULLY....!!\n\n";
  326. 		for(int u=0;u<80;u++) cout<<'*';
  327. 		cout<<"\n";
  328. 		for(int f=0;f<80;f++) cout<<'~';
  329. 		getch();
  330. 		flag=1;
  331. 		break;
  332. 	}
  333. 	file.seekg(i*recsize*bucketsize+recsize,ios::beg);
  334. 	file.getline(dummy,5,'\n');
  335. 	if(strcmp(dummy,"####")==0||strcmp(dummy,"$$$$")==0)
  336. 	{
  337. 		clrscr();
  338. 		textcolor(YELLOW);
  339. 		textbackground(BLACK);	
  340. 		cout<<"\n\n\n\n";
  341. 		for(int t=0;t<80;t++) cout<<'~';
  342. 		for(int y=0;y<80;y++) cout<<'*';
  343. 		cout<<"\n\n\t\t\tCOLLISION HAS OCCURED....!!\n\n";
  344. 		cout<<"\t      HOME ADDRESS IS: "<<addr<<" & ACTUAL ADDRESS IS: "<<i<<"\n";
  345. 		file.seekp(i*recsize*bucketsize+recsize,ios::beg);
  346. 		file<<buffer;
  347. 		textcolor(YELLOW);
  348. 		textbackground(BLACK);
  349. 		cout<<"\n\n\t\t   LOAN RECORD INSERTED SUCCESSFULLY....!!\n\n";
  350. 		for(int u=0;u<80;u++) cout<<'*';
  351. 		cout<<"\n";
  352. 		for(int f=0;f<80;f++) cout<<'~';
  353. 		getch();
  354. 		flag=1;
  355. 		break;
  356. 	}
  357. 	file.seekg(i*recsize*bucketsize+(2*recsize),ios::beg);
  358. 	file.getline(dummy,5,'\n');
  359.        if(strcmp(dummy,"####")==0||strcmp(dummy,"$$$$")==0)
  360. 	{
  361. 		clrscr();
  362. 		textcolor(YELLOW);
  363. 		textbackground(BLACK);	
  364. 		cout<<"\n\n\n\n";
  365. 		for(int t=0;t<80;t++) cout<<'~';
  366. 		for(int y=0;y<80;y++) cout<<'*';
  367. 		cout<<"\n\n\t\t\tCOLLISION HAS OCCURED....!!\n\n";
  368. 		cout<<"\t      HOME ADDRESS IS: "<<addr<<" & ACTUAL ADDRESS IS: "<<i<<"\n";
  369. 		file.seekp(i*recsize*bucketsize+(2*recsize),ios::beg);
  370. 		file<<buffer;
  371. 		textcolor(YELLOW);
  372. 		textbackground(BLACK);
  373. 		cout<<"\n\n\t\t   LOAN RECORD INSERTED SUCCESSFULLY....!!\n\n";
  374. 		for(int u=0;u<80;u++) cout<<'*';
  375. 		cout<<"\n";
  376. 		for(int f=0;f<80;f++) cout<<'~';
  377. 		getch();
  378. 		flag=1;
  379. 		break;
  380. 	}
  381. }
  382. }
  383. if(i==addr && (flag!=1))
  384. {
  385. 	clrscr();
  386. 	textcolor(YELLOW);
  387. 	textbackground(BLACK);
  388. 	cout<<"\n\n\n\n";
  389. 	for(int o=0;o<80;o++) cout<<'~';
  390. 	for(int a=0;a<80;a++) cout<<'*';
  391. 	cout<<setw(23)<<" "<<"\n\n\t*** HASH FILE IS FULL, LOAN RECORD CANT BE INSERTED ***\n\n";
  392. 	for(int s=0;s<80;s++) cout<<'*';
  393. 	for(int d=0;d<80;d++) cout<<'~';
  394. 	getch();
  395. }
  396. getch();
  397. file.close();
  398. return;
  399. }
  400.  
  401. void Loan::unpack()
  402. {
  403. 	char dummy[100];
  404. 	file.getline(bank_id,10,'|');
  405. 	file.getline(cust_name,12,'|');
  406. 	file.getline(phone,12,'|');
  407. 	file.getline(occupation,7,'|');
  408. 	file.getline(loan_type,7,'|');
  409. 	file.getline(branch_id,8,'|');
  410. 	file.getline(ROI,5,'|');
  411. 	file.getline(dummy,100,'#');
  412. }
  413.  
  414. int Loan::retrieve(int addr,char k[],int l)  //search
  415. {
  416. int found=0,i;
  417. char dummy[10];
  418. i=addr;
  419. file.open(datafile,ios::in);
  420. cout<<setiosflags(ios::left);
  421. //if(l==1)
  422. do
  423. {
  424. 	file.seekg(i*recsize*bucketsize,ios::beg);
  425. 	file.getline(dummy,5,'\n');
  426. 	if(strcmp(dummy,"####")==0)
  427. 		break;
  428.     	file.seekg(i*recsize*bucketsize,ios::beg);
  429. 	file.getline(account_no,10,'|');
  430. 	if(strcmp(account_no,k)==0)
  431. 	{
  432. 		found=1;
  433. 		if(l==1)
  434. 		{
  435. 		unpack();
  436. 		clrscr();
  437. 		textcolor(15);
  438. 	      textbackground(YELLOW);		
  439. 	   cout<<endl;   
  440. 	   cout<<setw(18)<<" "<<"THE SEARCHED LOAN RECORD IS DISPLAYED"<<endl<<endl;
  441. 	   for(int f=0;f<80;f++)   cout<<'*';   cout<<endl;
  442. 	   cout<<setw(20)<<" "<<" ACCOUNT NUMBER      :  "<<setw(10)<<account_no<<endl<<endl;
  443. 	   cout<<setw(20)<<" "<<" BANCK ID            :  "<<setw(9)<<bank_id<<endl<<endl;
  444. 	   cout<<setw(20)<<" "<<" CUSTOMER NAME       :  "<<setw(10)<<cust_name<<endl<<endl;
  445. 	   cout<<setw(20)<<" "<<" PHONE NUMBER        :  "<<setw(10)<<phone<<endl<<endl;
  446. 	   cout<<setw(20)<<" "<<" OCCUPATION          :  "<<setw(5)<<occupation<<endl<<endl;
  447. 	   cout<<setw(20)<<" "<<" LOAN TYPE           :  "<<setw(5)<<loan_type<<endl<<endl;
  448. 	   cout<<setw(20)<<" "<<" BRANCH ID   I       :  "<<setw(6)<<branch_id<<endl<<endl;
  449. 	   cout<<setw(20)<<" "<<" RATE OF INTEREST    :  "<<setw(5)<<ROI<<endl<<endl;
  450. 	   for(int g=0;g<80;g++) cout<<'*';
  451. 	   cout<<endl<<setw(25)<<" ";
  452.  
  453. 	   cout<<"LOAN RECORD FOUND...!!"<<endl;		
  454. 		}
  455. 		break;
  456. 	}
  457. 	file.seekg(i*recsize*bucketsize+recsize,ios::beg);
  458. 	file.getline(account_no,10,'|');
  459. 	if(strcmp(account_no,"#########")==0)
  460. 	      break;
  461. 	if(strcmp(account_no,k)==0)
  462. 	{
  463. 		found=1;
  464. 		if(l==1)
  465. 		{
  466. 		unpack();
  467. 		clrscr();
  468. 		textcolor(15);
  469. 	      textbackground(YELLOW);	
  470. 	   cout<<endl;   
  471. 	   cout<<setw(18)<<" "<<"THE SEARCHED LOAN RECORD IS DISPLAYED"<<endl<<endl;
  472. 	   for(int f=0;f<80;f++)   cout<<'*';   cout<<endl;
  473. 	   cout<<setw(20)<<" "<<" ACCOUNT NUMBER      :  "<<setw(10)<<account_no<<endl<<endl;
  474. 	   cout<<setw(20)<<" "<<" BANCK ID            :  "<<setw(9)<<bank_id<<endl<<endl;
  475. 	   cout<<setw(20)<<" "<<" CUSTOMER NAME       :  "<<setw(10)<<cust_name<<endl<<endl;
  476. 	   cout<<setw(20)<<" "<<" PHONE NUMBER        :  "<<setw(10)<<phone<<endl<<endl;
  477. 	   cout<<setw(20)<<" "<<" OCCUPATION          :  "<<setw(5)<<occupation<<endl<<endl;
  478. 	   cout<<setw(20)<<" "<<" LOAN TYPE           :  "<<setw(5)<<loan_type<<endl<<endl;
  479. 	   cout<<setw(20)<<" "<<" BRANCH ID   I       :  "<<setw(6)<<branch_id<<endl<<endl;
  480. 	   cout<<setw(20)<<" "<<" RATE OF INTEREST    :  "<<setw(5)<<ROI<<endl<<endl;
  481. 	   for(int g=0;g<80;g++) cout<<'*';
  482. 	   cout<<endl<<setw(25)<<" ";
  483.  
  484. 	cout<<"LOAN RECORD FOUND...!!"<<endl;
  485. 		}		
  486. 		break;
  487. 	}
  488.  
  489. 	file.seekg(i*recsize*bucketsize+(2*recsize),ios::beg);
  490. 	file.getline(account_no,10,'|');
  491. 	if(strcmp(account_no,"#########")==0)
  492. 	      break;
  493. 	if(strcmp(account_no,k)==0)
  494. 	{
  495. 		found=1;
  496. 		if(l==1)
  497. 		{
  498. 		unpack();
  499. 		clrscr();
  500. 		textcolor(15);
  501. 	      textbackground(YELLOW);	
  502. 	   cout<<endl;   
  503. 	   cout<<setw(18)<<" "<<"THE SEARCHED LOAN RECORD IS DISPLAYED"<<endl<<endl;
  504. 	   for(int f=0;f<80;f++)   cout<<'*';   cout<<endl;
  505. 	   cout<<setw(20)<<" "<<" ACCOUNT NUMBER      :  "<<setw(10)<<account_no<<endl<<endl;
  506. 	   cout<<setw(20)<<" "<<" BANCK ID            :  "<<setw(9)<<bank_id<<endl<<endl;
  507. 	   cout<<setw(20)<<" "<<" CUSTOMER NAME       :  "<<setw(10)<<cust_name<<endl<<endl;
  508. 	   cout<<setw(20)<<" "<<" PHONE NUMBER        :  "<<setw(10)<<phone<<endl<<endl;
  509. 	   cout<<setw(20)<<" "<<" OCCUPATION          :  "<<setw(5)<<occupation<<endl<<endl;
  510. 	   cout<<setw(20)<<" "<<" LOAN TYPE           :  "<<setw(5)<<loan_type<<endl<<endl;
  511. 	   cout<<setw(20)<<" "<<" BRANCH ID   I       :  "<<setw(6)<<branch_id<<endl<<endl;
  512. 	   cout<<setw(20)<<" "<<" RATE OF INTEREST    :  "<<setw(5)<<ROI<<endl<<endl;
  513. 	   for(int g=0;g<80;g++) cout<<'*';
  514. 	   cout<<endl<<setw(25)<<" ";
  515.  
  516. 	cout<<"LOAN RECORD FOUND...!!"<<endl;
  517. 		}		
  518. 		break;
  519. 	}
  520. 	else
  521. 	{
  522. 		i++;
  523. 		if(i%max==0)
  524. 			i=0;
  525. 	}
  526. }while(i!=addr);
  527. if(found==0 && l==1)
  528. {
  529. 		textcolor(15);
  530. 	      textbackground(YELLOW);
  531. 	cout<<setw(23)<<" "<<"\n\n\t!!*** GIVEN LOAN RECORD DOESNOT EXISTS IN HASH FILE ***!!\n\n";
  532. 	for(int h=0;h<80;h++) cout<<'~';
  533. 	for(int j=0;j<80;j++) cout<<'~';
  534. 	getch();
  535. }
  536. 	/*if(l==0)
  537. 	    cout<<found<<endl;*/
  538.  
  539. return found ;
  540. }
  541.  
  542. void Loan::datadisp()
  543. {
  544. 	file.open(datafile,ios::in);
  545. 	int i=0;
  546. 	char dummy[10];
  547. 	cout<<setiosflags(ios::left);
  548. 	while(i<max)
  549. 	{
  550. 	 if(file.eof())
  551. 		break;
  552. 	file.seekg(i*recsize*bucketsize,ios::beg);
  553. 	file.getline(dummy,5,'\n');
  554. 	if(strcmp(dummy,"####")!=0 && strcmp(dummy,"$$$$")!=0)
  555. 	{
  556. 		file.seekg(i*recsize*bucketsize,ios::beg);
  557. 		file.getline(account_no,10,'|');
  558. 		unpack();
  559. 		clrscr();
  560. 	      //drawdoublelinebox(17,7,60,30);
  561. 	      textcolor(15);
  562. 	      textbackground(RED);	
  563. 	   cout<<endl<<endl<<endl;
  564. 	   cout<<setw(25)<<" "<<"DISPLAYING LOAN RECORDS"<<endl<<endl;
  565. 	   for(int i=0;i<80;i++)   cout<<'*';   cout<<endl;
  566. 	   cout<<setw(20)<<" "<<" ACCOUNT NUMBER      :  "<<setw(10)<<account_no<<endl<<endl;
  567. 	   cout<<setw(20)<<" "<<" BANCK ID            :  "<<setw(9)<<bank_id<<endl<<endl;
  568. 	   cout<<setw(20)<<" "<<" CUSTOMER NAME       :  "<<setw(10)<<cust_name<<endl<<endl;
  569. 	   cout<<setw(20)<<" "<<" PHONE NUMBER        :  "<<setw(10)<<phone<<endl<<endl;
  570. 	   cout<<setw(20)<<" "<<" OCCUPATION          :  "<<setw(5)<<occupation<<endl<<endl;
  571. 	   cout<<setw(20)<<" "<<" LOAN TYPE           :  "<<setw(5)<<loan_type<<endl<<endl;
  572. 	   cout<<setw(20)<<" "<<" BRANCH ID   I       :  "<<setw(6)<<branch_id<<endl<<endl;
  573. 	   cout<<setw(20)<<" "<<" RATE OF INTEREST    :  "<<setw(5)<<ROI<<endl<<endl;
  574. 	   for(int k=0;k<80;k++) cout<<'*';
  575. 	   cout<<endl<<endl<<setw(20)<<" ";
  576. 	   getch();	
  577.  
  578. 	}
  579. 	file.seekg(i*recsize*bucketsize+recsize,ios::beg);
  580. 	file.getline(dummy,5,'\n');
  581. 	if(strcmp(dummy,"####")!=0 && strcmp(dummy,"$$$$")!=0)
  582. 	{
  583. 		 file.seekg(i*recsize*bucketsize+recsize,ios::beg);
  584. 		file.getline(account_no,10,'|');
  585. 		unpack();
  586. 	     clrscr();
  587. 		textcolor(15);
  588. 	      textbackground(RED);		
  589. 	   cout<<endl<<endl<<endl;
  590. 	   cout<<setw(25)<<" "<<"DISPLAYING LOAN RECORDS"<<endl<<endl;
  591. 	   for(int i=0;i<80;i++)   cout<<'*';   cout<<endl;
  592. 	   cout<<setw(20)<<" "<<" ACCOUNT NUMBER      :  "<<setw(10)<<account_no<<endl<<endl;
  593. 	   cout<<setw(20)<<" "<<" BANCK ID            :  "<<setw(9)<<bank_id<<endl<<endl;
  594. 	   cout<<setw(20)<<" "<<" CUSTOMER NAME       :  "<<setw(10)<<cust_name<<endl<<endl;
  595. 	   cout<<setw(20)<<" "<<" PHONE NUMBER        :  "<<setw(10)<<phone<<endl<<endl;
  596. 	   cout<<setw(20)<<" "<<" OCCUPATION          :  "<<setw(5)<<occupation<<endl<<endl;
  597. 	   cout<<setw(20)<<" "<<" LOAN TYPE           :  "<<setw(5)<<loan_type<<endl<<endl;
  598. 	   cout<<setw(20)<<" "<<" BRANCH ID   I       :  "<<setw(6)<<branch_id<<endl<<endl;
  599. 	   cout<<setw(20)<<" "<<" RATE OF INTEREST    :  "<<setw(5)<<ROI<<endl<<endl;
  600. 	   for(int k=0;k<80;k++) cout<<'*';
  601. 	   cout<<endl<<endl<<setw(20)<<" ";
  602. 	   getch();	
  603.  
  604.  
  605. 	}
  606. 	file.seekg(i*recsize*bucketsize+(2*recsize),ios::beg);
  607. 	file.getline(dummy,5,'\n');
  608. 	if(strcmp(dummy,"####")!=0 && strcmp(dummy,"$$$$")!=0)
  609. 	{
  610. 		file.seekg(i*recsize*bucketsize+(2*recsize),ios::beg);
  611. 		file.getline(account_no,10,'|');
  612. 		unpack();
  613. 		clrscr();
  614. 		textcolor(15);
  615. 	      textbackground(RED);		
  616. 	   cout<<endl<<endl<<endl;
  617. 	   cout<<setw(25)<<" "<<"DISPLAYING LOAN RECORDS"<<endl<<endl;
  618. 	   for(int i=0;i<80;i++)   cout<<'*';   cout<<endl;
  619. 	   cout<<setw(20)<<" "<<" ACCOUNT NUMBER      :  "<<setw(10)<<account_no<<endl<<endl;
  620. 	   cout<<setw(20)<<" "<<" BANCK ID            :  "<<setw(9)<<bank_id<<endl<<endl;
  621. 	   cout<<setw(20)<<" "<<" CUSTOMER NAME       :  "<<setw(10)<<cust_name<<endl<<endl;
  622. 	   cout<<setw(20)<<" "<<" PHONE NUMBER        :  "<<setw(10)<<phone<<endl<<endl;
  623. 	   cout<<setw(20)<<" "<<" OCCUPATION          :  "<<setw(5)<<occupation<<endl<<endl;
  624. 	   cout<<setw(20)<<" "<<" LOAN TYPE           :  "<<setw(5)<<loan_type<<endl<<endl;
  625. 	   cout<<setw(20)<<" "<<" BRANCH ID   I       :  "<<setw(6)<<branch_id<<endl<<endl;
  626. 	   cout<<setw(20)<<" "<<" RATE OF INTEREST    :  "<<setw(5)<<ROI<<endl<<endl;
  627. 	   for(int k=0;k<80;k++) cout<<'*';
  628. 	   cout<<endl<<setw(20)<<" ";
  629. 	   getch();	
  630. 	}
  631. 	i++;
  632. 	}
  633. 	clrscr();
  634. 	textcolor(15);
  635. 	      textbackground(RED);
  636. 	cout<<"\n\n\n\n\n\n\n\n\n\t\t=============================================\n"<<endl;	
  637. 	cout<<"\t\t     !!*** NO RECORDS TO DISPLAY ***!!"<<endl;
  638. 	cout<<"\n\t\t=============================================\n"<<endl;	
  639. 	getch();
  640. 	file.close();
  641. }
  642.  
  643.  
  644.  
  645. int Loan::remove(int addr,char k[])
  646. {
  647. int found=0,i;
  648. char dummy[10];
  649. i=addr;
  650. int s;
  651.  
  652. file.open(datafile,ios::in|ios::out);
  653. cout<<setiosflags(ios::left);
  654. do
  655. {
  656. 	file.seekg(i*recsize*bucketsize,ios::beg);
  657. 	file.getline(dummy,5,'\n');
  658. 	if(strcmp(dummy,"####")==0)
  659. 		break;
  660.         file.seekg(i*recsize*bucketsize,ios::beg);
  661. 	file.getline(account_no,10,'|');
  662. 	if(strcmp(account_no,"#########")==0)
  663. 	      break;
  664. 	if(strcmp(account_no,k)==0)
  665. 	{
  666. 		found=1;
  667. 		unpack();
  668. 		clrscr();
  669. 		textcolor(15);
  670. 	      textbackground(1);		
  671. 	   cout<<endl<<endl;
  672. 	   cout<<setw(26)<<" "<<"LOAN RECORD DISPLAYED"<<endl;
  673. 	   for(int l=0;l<80;l++)   cout<<'*';   cout<<endl;
  674. 	   cout<<setw(20)<<" "<<" ACCOUNT NUMBER      :  "<<setw(10)<<account_no<<endl<<endl;
  675. 	   cout<<setw(20)<<" "<<" BANCK ID            :  "<<setw(9)<<bank_id<<endl<<endl;
  676. 	   cout<<setw(20)<<" "<<" CUSTOMER NAME       :  "<<setw(10)<<cust_name<<endl<<endl;
  677. 	   cout<<setw(20)<<" "<<" PHONE NUMBER        :  "<<setw(10)<<phone<<endl<<endl;
  678. 	   cout<<setw(20)<<" "<<" OCCUPATION          :  "<<setw(5)<<occupation<<endl<<endl;
  679. 	   cout<<setw(20)<<" "<<" LOAN TYPE           :  "<<setw(5)<<loan_type<<endl<<endl;
  680. 	   cout<<setw(20)<<" "<<" BRANCH ID   I       :  "<<setw(6)<<branch_id<<endl<<endl;
  681. 	   cout<<setw(20)<<" "<<" RATE OF INTEREST    :  "<<setw(5)<<ROI<<endl<<endl;
  682. 	   for(int z=0;z<80;z++) cout<<'*';
  683. 	   cout<<endl<<setw(20)<<" ";
  684.  
  685. 		textcolor(15);
  686. 	      textbackground(1);	
  687. 		cout<<"LOAN RECORD TO BE DELETED IS FOUND"<<endl;
  688. 		file.seekp(i*recsize*bucketsize,ios::beg);
  689. 	      for(s=0;s<recsize;s++)
  690. 		   file.put('$');
  691. 		cout<<setw(25)<<" "<<"  RECORD IS DELETED... !!"<<endl;
  692. 		getch();
  693. 		file.close();
  694. 		break;
  695. 	}
  696. 	file.seekg(i*recsize*bucketsize+recsize,ios::beg);
  697. 	file.getline(account_no,10,'|');
  698. 		if(strcmp(account_no,"#########")==0)
  699. 		 break;
  700. 	if(strcmp(account_no,k)==0)
  701. 	{
  702. 		found=1;
  703. 		unpack();
  704. 		clrscr();
  705. 		textcolor(15);
  706. 	      textbackground(1);		
  707. 	   cout<<endl<<endl;   
  708. 	   cout<<setw(26)<<" "<<"LOAN RECORD DISPLAYED"<<endl;
  709. 	   for(int l=0;l<80;l++)   cout<<'*';   cout<<endl;
  710. 	   cout<<setw(20)<<" "<<" ACCOUNT NUMBER      :  "<<setw(10)<<account_no<<endl<<endl;
  711. 	   cout<<setw(20)<<" "<<" BANCK ID            :  "<<setw(9)<<bank_id<<endl<<endl;
  712. 	   cout<<setw(20)<<" "<<" CUSTOMER NAME       :  "<<setw(10)<<cust_name<<endl<<endl;
  713. 	   cout<<setw(20)<<" "<<" PHONE NUMBER        :  "<<setw(10)<<phone<<endl<<endl;
  714. 	   cout<<setw(20)<<" "<<" OCCUPATION          :  "<<setw(5)<<occupation<<endl<<endl;
  715. 	   cout<<setw(20)<<" "<<" LOAN TYPE           :  "<<setw(5)<<loan_type<<endl<<endl;
  716. 	   cout<<setw(20)<<" "<<" BRANCH ID   I       :  "<<setw(6)<<branch_id<<endl<<endl;
  717. 	   cout<<setw(20)<<" "<<" RATE OF INTEREST    :  "<<setw(5)<<ROI<<endl<<endl;
  718. 	   for(int z=0;z<80;z++) cout<<'*';
  719. 	   cout<<endl<<setw(20)<<" ";
  720.  
  721. 		textcolor(15);
  722. 	      textbackground(1);					
  723. 	cout<<"LOAN RECORD TO BE DELETED IS FOUND"<<endl;
  724. 		file.seekp(i*recsize*bucketsize+recsize,ios::beg);
  725. 	      for(s=0;s<recsize;s++)
  726. 		   file.put('$');
  727. 		cout<<setw(25)<<" "<<"  RECORD IS DELETED... !!"<<endl;
  728. 		getch();
  729. 		break;
  730. 	}
  731.  
  732. 	file.seekg(i*recsize*bucketsize+(2*recsize),ios::beg);
  733. 	file.getline(account_no,10,'|');
  734. 	if(strcmp(account_no,k)==0)
  735. 	{
  736. 		found=1;
  737. 		unpack();
  738. 		clrscr();
  739. 		textcolor(15);
  740. 	      textbackground(1);			
  741. 	   cout<<endl<<endl;
  742. 	   cout<<setw(26)<<" "<<"LOAN RECORD DISPLAYED"<<endl;
  743. 	   for(int l=0;l<80;l++)   cout<<'*';   cout<<endl;
  744. 	   cout<<setw(20)<<" "<<" ACCOUNT NUMBER      :  "<<setw(10)<<account_no<<endl<<endl;
  745. 	   cout<<setw(20)<<" "<<" BANCK ID            :  "<<setw(9)<<bank_id<<endl<<endl;
  746. 	   cout<<setw(20)<<" "<<" CUSTOMER NAME       :  "<<setw(10)<<cust_name<<endl<<endl;
  747. 	   cout<<setw(20)<<" "<<" PHONE NUMBER        :  "<<setw(10)<<phone<<endl<<endl;
  748. 	   cout<<setw(20)<<" "<<" OCCUPATION          :  "<<setw(5)<<occupation<<endl<<endl;
  749. 	   cout<<setw(20)<<" "<<" LOAN TYPE           :  "<<setw(5)<<loan_type<<endl<<endl;
  750. 	   cout<<setw(20)<<" "<<" BRANCH ID   I       :  "<<setw(6)<<branch_id<<endl<<endl;
  751. 	   cout<<setw(20)<<" "<<" RATE OF INTEREST    :  "<<setw(5)<<ROI<<endl<<endl;
  752. 	   for(int z=0;z<80;z++) cout<<'*';
  753. 	   cout<<endl<<setw(20)<<" ";		
  754.  
  755. 		textcolor(15);
  756. 	      textbackground(1);		
  757. 		cout<<"LOAN RECORD TO BE DELETED IS FOUND"<<endl;
  758. 		file.seekp(i*recsize*bucketsize+(2*recsize),ios::beg);
  759. 	       for(s=0;s<recsize-2;s++)
  760. 		   file.put('$');
  761. 		   file.put('\n');
  762. 		cout<<setw(25)<<" "<<"  RECORD IS DELETED... !!"<<endl;
  763. 		getch();
  764. 		break;
  765. 	}
  766. 	else
  767. 	{
  768. 		i++;
  769. 		if(i%max==0)
  770. 			i=0;
  771. 	}
  772. }while(i!=addr);
  773. if(found==0)
  774. {
  775. 	textcolor(15);
  776. 	      textbackground(1);
  777. 	cout<<setw(23)<<" "<<"\n\n\t!!*** GIVEN LOAN RECORD DOESNOT EXISTS IN HASH FILE ***!!\n\n";
  778. 	for(int k=0;k<80;k++) cout<<'^';
  779. 	for(int j=0;j<80;j++) cout<<'^';
  780. 	getch();
  781. }
  782. return found;
  783. }
  784.  
  785. void Loan::modify(int addr, char k[])
  786. {
  787. int found=0,i;
  788. char dummy[10];
  789. i=addr;
  790. int s;
  791. int x;
  792.  
  793. file.open(datafile,ios::in|ios::out);
  794. cout<<setiosflags(ios::left);
  795. do
  796. {
  797. 	file.seekg(i*recsize*bucketsize,ios::beg);
  798. 	file.getline(dummy,5,'\n');
  799. 	if(strcmp(dummy,"####")==0)
  800. 		break;
  801.        file.seekg(i*recsize*bucketsize,ios::beg);
  802. 	file.getline(account_no,10,'|');
  803. 	if(strcmp(account_no,k)==0)
  804. 	{
  805. 		found=1;
  806. 		unpack();
  807. 		clrscr();
  808. 		textcolor(YELLOW);
  809. 	      textbackground(0);			
  810. 	   cout<<endl;
  811. 	   cout<<setw(18)<<" "<<"LOAN RECORD TO BE MODIFIED IS DISPLAYED"<<endl<<endl;
  812. 	   for(int c=0;c<80;c++)   cout<<'*';   cout<<endl;
  813. 	   cout<<setw(20)<<" "<<" ACCOUNT NUMBER      :  "<<setw(10)<<account_no<<endl<<endl;
  814. 	   cout<<setw(20)<<" "<<" BANCK ID            :  "<<setw(9)<<bank_id<<endl<<endl;
  815. 	   cout<<setw(20)<<" "<<" CUSTOMER NAME       :  "<<setw(10)<<cust_name<<endl<<endl;
  816. 	   cout<<setw(20)<<" "<<" PHONE NUMBER        :  "<<setw(10)<<phone<<endl<<endl;
  817. 	   cout<<setw(20)<<" "<<" OCCUPATION          :  "<<setw(5)<<occupation<<endl<<endl;
  818. 	   cout<<setw(20)<<" "<<" LOAN TYPE           :  "<<setw(5)<<loan_type<<endl<<endl;
  819. 	   cout<<setw(20)<<" "<<" BRANCH ID   I       :  "<<setw(6)<<branch_id<<endl<<endl;
  820. 	   cout<<setw(20)<<" "<<" RATE OF INTEREST    :  "<<setw(5)<<ROI<<endl<<endl;
  821. 	   for(int v=0;v<80;v++) cout<<'*';
  822. 	   cout<<endl<<setw(20)<<" ";
  823.  
  824. 		textcolor(YELLOW);
  825. 	      textbackground(0);		
  826. 		cout<<"LOAN RECORD TO BE MODIFIED IS FOUND"<<endl;		
  827. 		getch();
  828. 		file.seekp(i*recsize*bucketsize,ios::beg);
  829. 	      for(s=0;s<recsize;s++)
  830. 		   file.put('$');
  831. 		  cout<<"\t\t\tRECORD DELETED...!!"<<endl;
  832. 		  getch();
  833. 		   file.close();
  834. 		clrscr();
  835. 		textcolor(15);
  836. 	      textbackground(1);
  837. 		cout<<"\n";
  838. 	 	for(int b=0;b<80;b++) cout<<'~';
  839. 		for(int n=0;n<80;n++) cout<<'*';
  840. 		  cout<<"\t\t\tENTER THE NEW(MODIFIED) LOAN RECORD: \n";
  841. 		  getch();
  842. 		read();
  843. 		x=hash(account_no);
  844. 		store(x);
  845.  
  846. 		cout<<"\t\t    RECORD IS MODIFIED SUCCESSFULLY...!!\n";
  847. 		getch();
  848. 		break;
  849. 	}
  850. 	file.seekg(i*recsize*bucketsize+recsize,ios::beg);
  851. 	file.getline(account_no,10,'|');
  852. 	if(strcmp(account_no,"#########")==0)
  853. 	      break;
  854.  
  855. 	if(strcmp(account_no,k)==0)
  856. 	{
  857. 		found=1;
  858. 		unpack();
  859. 		clrscr();
  860. 		textcolor(YELLOW);
  861. 	      textbackground(0);	
  862. 	   cout<<endl;
  863. 	   cout<<setw(18)<<" "<<"LOAN RECORD TO BE MODIFIED IS DISPLAYED"<<endl<<endl;
  864. 	   for(int c=0;c<80;c++)   cout<<'*';   cout<<endl;
  865. 	   cout<<setw(20)<<" "<<" ACCOUNT NUMBER      :  "<<setw(10)<<account_no<<endl<<endl;
  866. 	   cout<<setw(20)<<" "<<" BANCK ID            :  "<<setw(9)<<bank_id<<endl<<endl;
  867. 	   cout<<setw(20)<<" "<<" CUSTOMER NAME       :  "<<setw(10)<<cust_name<<endl<<endl;
  868. 	   cout<<setw(20)<<" "<<" PHONE NUMBER        :  "<<setw(10)<<phone<<endl<<endl;
  869. 	   cout<<setw(20)<<" "<<" OCCUPATION          :  "<<setw(5)<<occupation<<endl<<endl;
  870. 	   cout<<setw(20)<<" "<<" LOAN TYPE           :  "<<setw(5)<<loan_type<<endl<<endl;
  871. 	   cout<<setw(20)<<" "<<" BRANCH ID   I       :  "<<setw(6)<<branch_id<<endl<<endl;
  872. 	   cout<<setw(20)<<" "<<" RATE OF INTEREST    :  "<<setw(5)<<ROI<<endl<<endl;
  873. 	   for(int v=0;v<80;v++) cout<<'*';
  874. 	   cout<<endl<<setw(20)<<" ";
  875.  
  876. 		 textcolor(YELLOW);
  877. 	      textbackground(0);
  878. 		cout<<"LOAN RECORD TO BE MODIFIED IS FOUND"<<endl;
  879. 		getch();
  880. 		file.seekp(i*recsize*bucketsize+recsize,ios::beg);
  881. 	      for(s=0;s<recsize;s++)
  882. 		   file.put('$');
  883. 		cout<<"\t\t\tRECORD DELETED...!!"<<endl;
  884. 		  getch();
  885. 		   file.close();
  886. 		clrscr();
  887. 		textcolor(15);
  888. 	      textbackground(1);
  889. 		cout<<"\n";
  890. 	 	for(int b=0;b<80;b++) cout<<'~';
  891. 		for(int n=0;n<80;n++) cout<<'*';
  892. 		  cout<<"\t\t\tENTER THE NEW(MODIFIED) LOAN RECORD: \n";
  893. 		  getch();
  894. 		read();
  895. 		x=hash(account_no);
  896. 		store(x);
  897.  
  898. 		cout<<"\t\t    RECORD IS MODIFIED SUCCESSFULLY...!!\n";
  899. 		getch();
  900. 		break;
  901. 	}
  902.  
  903. 	file.seekg(i*recsize*bucketsize+(2*recsize),ios::beg);
  904. 	file.getline(account_no,10,'|');
  905. 	if(strcmp(account_no,"#########")==0)
  906. 	      break;
  907.  
  908. 	if(strcmp(account_no,k)==0)
  909. 	{
  910. 		found=1;
  911. 		unpack();
  912. 		clrscr();
  913. 		textcolor(YELLOW);
  914. 	      textbackground(0);	
  915. 	   cout<<endl;
  916. 	   cout<<setw(18)<<" "<<"LOAN RECORD TO BE MODIFIED IS DISPLAYED"<<endl<<endl;
  917. 	   for(int c=0;c<80;c++)   cout<<'*';   cout<<endl;
  918. 	   cout<<setw(20)<<" "<<" ACCOUNT NUMBER      :  "<<setw(10)<<account_no<<endl<<endl;
  919. 	   cout<<setw(20)<<" "<<" BANCK ID            :  "<<setw(9)<<bank_id<<endl<<endl;
  920. 	   cout<<setw(20)<<" "<<" CUSTOMER NAME       :  "<<setw(10)<<cust_name<<endl<<endl;
  921. 	   cout<<setw(20)<<" "<<" PHONE NUMBER        :  "<<setw(10)<<phone<<endl<<endl;
  922. 	   cout<<setw(20)<<" "<<" OCCUPATION          :  "<<setw(5)<<occupation<<endl<<endl;
  923. 	   cout<<setw(20)<<" "<<" LOAN TYPE           :  "<<setw(5)<<loan_type<<endl<<endl;
  924. 	   cout<<setw(20)<<" "<<" BRANCH ID   I       :  "<<setw(6)<<branch_id<<endl<<endl;
  925. 	   cout<<setw(20)<<" "<<" RATE OF INTEREST    :  "<<setw(5)<<ROI<<endl<<endl;
  926. 	   for(int v=0;v<80;v++) cout<<'*';
  927. 	   cout<<endl<<setw(20)<<" ";
  928.  
  929. 		textcolor(YELLOW);
  930. 	      textbackground(0);
  931. 		cout<<"LOAN RECORD TO BE MODIFIED IS FOUND"<<endl;
  932. 		getch();
  933. 		file.seekp(i*recsize*bucketsize+(2*recsize),ios::beg);
  934. 	       for(s=0;s<recsize-2;s++)
  935. 		   file.put('$');
  936. 		   file.put('\n');
  937. 		  cout<<"\t\t\tRECORD DELETED...!!"<<endl;
  938. 		  getch();
  939. 		   file.close();
  940. 		clrscr();
  941. 		textcolor(15);
  942. 	      textbackground(1);
  943. 		cout<<"\n";
  944. 	 	for(int b=0;b<80;b++) cout<<'~';
  945. 		for(int n=0;n<80;n++) cout<<'*';
  946. 		  cout<<"\t\t\tENTER THE NEW(MODIFIED) LOAN RECORD: \n";
  947. 		  getch();
  948. 		read();
  949. 		x=hash(account_no);
  950. 		store(x);
  951.  
  952. 		cout<<"\t\t    RECORD IS MODIFIED SUCCESSFULLY...!!\n";
  953. 		getch();
  954. 		break;
  955. 	}
  956. 	else
  957. 	{
  958. 		i++;
  959. 		if(i%max==0)
  960. 			i=0;
  961. 	}
  962. }while(i!=addr);
  963. if(found==0)
  964. {
  965. 	textcolor(15);
  966. 	      textbackground(1);
  967. 	cout<<setw(23)<<" "<<"\n\n\t!!*** GIVEN LOAN RECORD DOESNOT EXISTS IN HASH FILE ***!!\n\n";
  968. 	for(int k=0;k<80;k++) cout<<'=';
  969. 	for(int j=0;j<80;j++) cout<<'^';
  970. 	getch();
  971. }
  972. }
  973.  
  974.  
  975.  
  976. /*Douoblebox design*/
  977.  
  978. void drawdoublelinebox(int x,int y,int len,int bdt)
  979. {
  980. 	gotoxy(x,y);
  981. 	cprintf("É");
  982. 		gotoxy(x,y+bdt);
  983. 	cprintf("È");
  984. 	gotoxy(x+len,y);
  985. 	cprintf("»");
  986. 	gotoxy(x+len,y+bdt);
  987. 	cprintf("¼");
  988. 	for(int i=x+1;i<x+len;i++)
  989. 	{
  990. 		gotoxy(i,y);
  991. 		cprintf("Í");
  992. 		gotoxy(i,y+bdt);
  993. 		cprintf("Í");
  994. 	}
  995. 	for(int j=y+1;j<y+bdt;j++)
  996. 	{
  997. 		gotoxy(x,j);
  998. 		cprintf("º");
  999. 		gotoxy(x+len,j);
  1000. 		cprintf("º");
  1001. 			}
  1002. }
  1003.  
  1004. /*Double box design*/
  1005.  
  1006. void drawsinglelinebox(int x,int y,int len,int bdt)
  1007. {                                            // (x,y) : co.ord. of 1st tip
  1008. 	gotoxy(x,y);                         // len : length of box
  1009. 	cprintf("Ú");                        // bdt : breadth of box
  1010. 	gotoxy(x,y+bdt);
  1011. 	cprintf("À");
  1012. 	gotoxy(x+len,y);
  1013. 	cprintf("¿");
  1014. 	gotoxy(x+len,y+bdt);
  1015. 	cprintf("Ù");
  1016.  
  1017. 	for(int i=x+1;i<x+len;i++)
  1018. 	{
  1019. 		gotoxy(i,y);
  1020. 		cprintf("Ä");
  1021. 		gotoxy(i,y+bdt);
  1022. 		cprintf("Ä");
  1023. 	}
  1024. 	for(int j=y+1;j<y+bdt;j++)
  1025. 	{
  1026. 		gotoxy(x,j);
  1027. 		cprintf("³");
  1028. 		gotoxy(x+len,j);
  1029. 		cprintf("³");
  1030. 	}
  1031. }
  1032. void normal()  // to obtain normal background
  1033. {
  1034. 	textattr(WHITE); // textattr sets text attributes for text-window functions
  1035. 	textcolor(WHITE);// textcolor selects a new character color in text mode
  1036. 	textbackground(BLACK);//textbackground selects a new text background color
  1037. 	_setcursortype(_NORMALCURSOR); /* sets cursor type to normal underscore type cursor  */
  1038. 	//return;
  1039. }
  1040.  
  1041. void screen()
  1042. {
  1043.  int g=19,h=10;
  1044.  
  1045.      textbackground(GREEN);
  1046.      gotoxy(24,3);
  1047.      textcolor(YELLOW);
  1048.      cprintf("        LOAN MANAGEMENT      ");
  1049.      gotoxy(24,4);
  1050.      textcolor(15);
  1051.      cprintf(" ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ ");
  1052.      drawdoublelinebox(17,7,44,14);
  1053.      gotoxy(28,7);
  1054.      textbackground(RED);
  1055. 	 textcolor(YELLOW);
  1056. 	 cprintf("Û  M A I N    M E N U Û" );
  1057.      normal();
  1058.      textcolor(15);
  1059.      gotoxy(g,h++);
  1060.      cout<<"	     þ LOAN RECORD";
  1061.      gotoxy(g,h++);
  1062.      cout<<"	     þ QUIT";
  1063.      gotoxy(g,h++);
  1064.      gotoxy(g,h++);
  1065.      gotoxy(g,h++);
  1066.      normal();
  1067. }
  1068.  
  1069.  
  1070. void main()
  1071. {
  1072. int ch,addr,l,choice, found=0;
  1073. char sacc_no[10];
  1074. Loan p;
  1075. p.initial();
  1076. clrscr();
  1077. do
  1078. {
  1079.     	screen();
  1080. 	//cout<<"\n============================"<<endl;
  1081. 	//cout<<"1.read loan details\n2.search loan record\n3.display loan record\n4.delete loan record\n5.modify record\n6.exit\n";
  1082.       // cout<<"============================"<<endl;
  1083. 	cout<<"PLEASE ENTER YOUR CHOICE [1-2] :  ";
  1084. 	cin>>ch;
  1085. 	switch(ch)
  1086. 	{
  1087. 	case 1:do
  1088. 	      {
  1089. 	      clrscr();
  1090. 	      drawdoublelinebox(17,7,44,14);
  1091. 	      textcolor(0);
  1092. 	      textbackground(15);
  1093. 		  clrscr();
  1094. 		  textbackground(BLACK);
  1095. 	      gotoxy(25,3);
  1096. 	      textcolor(YELLOW);
  1097. 	      cprintf("        LOAN RECORDS       ");
  1098. 	      gotoxy(25,4);
  1099. 	      cprintf(" ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ ");
  1100. 	      int z=19,q=10;
  1101. 	      textcolor(YELLOW);
  1102. 	      drawdoublelinebox(17,7,44,14);
  1103. 	      gotoxy(28,7);
  1104. 	      textbackground(RED);
  1105. 	      textcolor(YELLOW);
  1106. 	      cprintf("Û  M A I N    M E N U Û" );
  1107. 	      normal();
  1108. 	      textcolor(WHITE);
  1109. 	      gotoxy(z,q++);
  1110. 	      cout<<"     1.>  READ LOAN DETAILS";
  1111. 	      gotoxy(z,q++);
  1112. 	      cout<<"     2.>  SEARCH LOAN RECORD";
  1113. 		  gotoxy(z,q++);
  1114. 	      cout<<"     3.>  DISPLAY LOAN DETAILS";
  1115. 	      gotoxy(z,q++);
  1116. 	      cout<<"     4.>  DELETE LOAN RECORD";
  1117. 	      gotoxy(z,q++);
  1118. 		cout<<"     5.>  MODIFY LOAN RECORD";
  1119. 	      gotoxy(z,q++);
  1120. 	      cout<<"     6.>  QUIT";
  1121. 	      gotoxy(z,q++);
  1122. 	      gotoxy(z,q++);
  1123. 	      gotoxy(z,q++);
  1124. 	      cout<<"    PLEASE ENTER YOUR CHOICE [1-6]  : ";
  1125. 	      cin>>choice;
  1126. 	 switch(choice)
  1127. 	 {
  1128. 	case 1:clrscr();
  1129. 		cout<<"\n";
  1130. 	 	for(int b=0;b<80;b++) cout<<'~';
  1131. 		cout<<setw(24)<<" "<<"ENTER THE LOAN RECORD DETAILS \n";
  1132. 		for(int h=0;h<80;h++) cout<<'~';
  1133. 		cout<<"\n";
  1134. 		getch();
  1135. 	 LABEL: p.read();
  1136. 		addr=hash(p.account_no);
  1137. 		store(addr);
  1138. 		getch();
  1139. 		file.close();
  1140. 		break;
  1141. 	case 2:clrscr();
  1142. 		textcolor(15);
  1143. 	      textbackground(YELLOW);
  1144. 		cout<<"\n\n\n\n";
  1145. 		cout<<"\t\t\t  SEARCHING LOAN RECORD\n\n";
  1146. 		for(int e=0;e<80;e++) cout<<'~';
  1147. 		//cout<<"\n";
  1148. 		for(int w=0;w<80;w++) cout<<'~';
  1149. 		cout<<"\n";
  1150. 		cout<<setw(20)<<" "<<"ENTER THE ACCOUNT NUMBER TO BE SEARCHED: "<<endl;
  1151. 		cout<<setw(36)<<" ";
  1152. 		cin>>sacc_no;
  1153. 		cout<<"\n";
  1154. 		addr=hash(sacc_no);
  1155. 		p.retrieve(addr,sacc_no,1);
  1156. 		getch();
  1157. 		file.close();
  1158. 		break;
  1159. 	case 3://cout<<"vehicle details:"<<endl;
  1160. 		textcolor(15);
  1161. 	      textbackground(RED);	
  1162. 	       p.datadisp();
  1163. 	       file.close();
  1164. 		break;
  1165.        case 4://p.del();
  1166. 		clrscr();
  1167. 		textcolor(15);
  1168. 	      textbackground(1);
  1169. 		cout<<"\n\n\n\n";
  1170. 		cout<<"\t\t\t  DELETING LOAN RECORD\n\n";
  1171. 		for(int x=0;x<80;x++) cout<<'^';
  1172. 		//cout<<"\n";
  1173. 		for(int y=0;y<80;y++) cout<<'^';
  1174. 		cout<<"\n";
  1175. 		cout<<setw(20)<<" "<<"ENTER THE ACCOUNT NUMBER TO BE DELETED: "<<endl;
  1176. 		cout<<setw(36)<<" ";
  1177. 		cin>>sacc_no;
  1178. 		cout<<"\n";
  1179. 		addr=hash(sacc_no);
  1180. 		p.remove(addr,sacc_no);
  1181. 		getch();
  1182. 		file.close();
  1183. 		break;
  1184.        case 5:clrscr();
  1185. 		textcolor(15);
  1186. 	      textbackground(1);
  1187. 		cout<<"\n\n\n\n";
  1188. 		cout<<"\t\t\t  MODIFYING LOAN RECORD\n\n";
  1189. 		for(int u=0;u<80;u++) cout<<'=';
  1190. 		//cout<<"\n";
  1191. 		for(int r=0;r<80;r++) cout<<'^';
  1192. 		cout<<"\n";
  1193. 		cout<<setw(20)<<" "<<"ENTER THE LOAN RECORD TO MODIFY: \n";
  1194. 	      	cout<<setw(36)<<" ";
  1195. 		cin>>sacc_no;
  1196. 	      addr=hash(sacc_no);
  1197. 		cout<<"\n";
  1198. 	      p.modify(addr,sacc_no);
  1199. 		getch();
  1200. 	     file.close();
  1201. 	      break; 
  1202. 	case 6:clrscr();
  1203. 			 screen();
  1204. 			 break;
  1205. 	default:sound(600);delay(500);nosound();
  1206. 		break;
  1207. 	}
  1208. 	}while(choice!=6);   break;
  1209.  
  1210. case 2:exit(0);
  1211.  
  1212. default: sound(100);delay(500);nosound(); break;
  1213. }
  1214. }while(ch!=2);
  1215.  
  1216.        file.close();
  1217. }
#C Pluse Plus

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