Update Task 1 -week 2 Jordan Brodie

Task 1 -week 2 Jordan Brodie

@@ -3,194 +3,177 @@
 #include <string.h>
 
 #define CHAR_LEN 20
-#define NUM_CARS 10
-#define NUM_OWNERS 5
+#define NUM_PEOPLE 10
 
-/// Define a struct to store car information
+/// Define a struct to store personal information
 typedef struct 
 {
-    char mark[CHAR_LEN];
-    char model[CHAR_LEN];
-    char numberPlate[CHAR_LEN];
-    int yearOfIssue;
-    char cubature[CHAR_LEN];
-    int personalIdentificationNumber;
-} car_t;
-
-/// Define a struct to store car owner information
-typedef struct 
-{
-    int personalIdentificationNumber;
-    char name[CHAR_LEN];
-} owner_t;
+    char firstName[CHAR_LEN];
+    char lastName[CHAR_LEN];
+    char personalCode[CHAR_LEN];
+    char matrixNumber[CHAR_LEN];
+} person_t;
 
 /// Function prototypes
-int readCarData(FILE*, car_t[], int);
-int readOwnerData(FILE*, owner_t[], int);
-void findMostPowerfulCar(car_t[], int, car_t*);
-void findOldestCar(car_t[], int, car_t*);
-void findNewestCar(car_t[], int, car_t*);
-void displayResults(car_t, car_t, car_t);
-void writeResultsToFile(car_t, car_t, car_t, const char*);
-void printErrorOpeningFile(const char*);
+void fileNameFunction(char*, int);
+FILE* openFileFunction(char*);
+int readData(FILE*, person_t[], int);
+void sortData(person_t[], int);
+void displaySortedData(person_t[], int);
+void writeOutput(person_t[], int, const char*);
+void printFileStatus(int);
 
 int main(void) 
 {
-    FILE *carFile, *ownerFile;
-    car_t cars[NUM_CARS];
-    owner_t owners[NUM_OWNERS];
-    car_t mostPowerfulCar, oldestCar, newestCar;
+    FILE *inputFile;
+    char inputName[CHAR_LEN];
+    person_t persons[NUM_PEOPLE];
 
-    /// Read car data from the input file
-    carFile = fopen("cars.txt", "r");
-    if (carFile == NULL) 
+    /// Attempt to open the input file
+    inputFile = openFileFunction(inputName);
+    if (inputFile == NULL) 
     {
-        printErrorOpeningFile("car data");
+        printFileStatus(0);
         return 1;
     }
-    int numCars = readCarData(carFile, cars, NUM_CARS);
-    fclose(carFile);
+    printFileStatus(1);
 
-    /// Read owner data from the input file
-    ownerFile = fopen("owners.txt", "r");
-    if (ownerFile == NULL) 
-    {
-        printErrorOpeningFile("owner data");
-        return 1;
-    }
-    readOwnerData(ownerFile, owners, NUM_OWNERS);
-    fclose(ownerFile);
+    /// Read data from the input file
+    int records = readData(inputFile, persons, NUM_PEOPLE); 
   
-    /// Find the most powerful, oldest, and newest car
-    findMostPowerfulCar(cars, numCars, &mostPowerfulCar);
-    findOldestCar(cars, numCars, &oldestCar);
-    findNewestCar(cars, numCars, &newestCar);
+    fclose(inputFile);
 
-    /// Display the results
-    displayResults(mostPowerfulCar, oldestCar, newestCar);
+    /// Sort the data
+    sortData(persons, records);
 
-    /// Write the results to the output file
-    writeResultsToFile(mostPowerfulCar, oldestCar, newestCar, "cars_output.txt");
+    /// Display the sorted data
+    displaySortedData(persons, records);
+
+    /// Write the sorted data to the output file
+    writeOutput(persons, records, "output.txt");
 
     return 0;
 }
 
-/// Read car data from the input file and store it in the cars array
-int readCarData(FILE *carFile, car_t cars[], int maxCars) 
+/// Prompt the user for the file name
+void fileNameFunction(char *inputName, int attempt) 
 {
-    char buffer[512];
-    int counter = 0;
-    while (fgets(buffer, 512, carFile) && counter < maxCars) 
+    printf("What is the file name, %d attempts?\n", attempt);
+    scanf("%s", inputName);
+}
+
+/// Attempt to open the file and return the file pointer
+FILE* openFileFunction(char *inputName) 
+{
+    FILE *inputFile;
+    int attempt = 3;
+    do 
     {
-        sscanf(buffer, "%s %s %s %d %s %d", cars[counter].mark, cars[counter].model,
-               cars[counter].numberPlate, &cars[counter].yearOfIssue, cars[counter].cubature,
-               &cars[counter].personalIdentificationNumber);
-        counter++;
+        fileNameFunction(inputName, attempt);
+        inputFile = fopen(inputName, "r");    
+        if (inputFile != NULL) 
+        {
+            return inputFile;
         }
-    return counter;
+        attempt--;
+    } while (attempt != 0);
+    return NULL;
 }
 
-/// Read owner data from the input file and store it in the owners array
-int readOwnerData(FILE *ownerFile, owner_t owners[], int maxOwners) 
+/// Read data from the input file and store it in the persons array
+int readData(FILE *inputFile, person_t persons[], int maxRecords) 
 {
     char buffer[512];
     int counter = 0;
-    while (fgets(buffer, 512, ownerFile) && counter < maxOwners) 
+    while (fgets(buffer, 512, inputFile) && counter < maxRecords) 
     {
-        sscanf(buffer, "%d %s", &owners[counter].personalIdentificationNumber, owners[counter].name);
+        sscanf(buffer, "%s %s %s %s", persons[counter].firstName, persons[counter].lastName,
+               persons[counter].personalCode, persons[counter].matrixNumber);
         counter++;
     }
     return counter;
 }
 
-/// Find the most powerful car based on cubature
-void findMostPowerfulCar(car_t cars[], int numCars, car_t *mostPowerfulCar) 
+/// Sort the data by personal code
+void sortData(person_t persons[], int records) 
 {
-    *mostPowerfulCar = cars[0];
-    for (int i = 1; i < numCars; i++) 
+    for (int i = 0; i < records - 1; i++) 
+    {
+        for (int j = i + 1; j < records; j++) 
         {
-        if (strcmp(cars[i].cubature, mostPowerfulCar->cubature) > 0) 
+            if (strcmp(persons[i].personalCode, persons[j].personalCode) > 0) 
             {
-            *mostPowerfulCar = cars[i];
+                person_t temp = persons[i];
+                persons[i] = persons[j];
+                persons[j] = temp;
+            }
         }
     }
 }
 
-/// Find the oldest car based on year of issue
-void findOldestCar(car_t cars[], int numCars, car_t *oldestCar) 
+/// Display the sorted data on the screen
+void displaySortedData(person_t persons[], int records) 
 {
-    *oldestCar = cars[0];
-    for (int i = 1; i < numCars; i++) 
+    printf("\nNumber of records is %d\n", records);
+    printf("\nSorted Men:\n");
+    for (int i = 0; i < records; i++) 
     {
-        if (cars[i].yearOfIssue < oldestCar->yearOfIssue) 
+        if (persons[i].personalCode[0] == '1') 
         {
-            *oldestCar = cars[i];
+            printf("%s %s %s %s\n", persons[i].firstName, persons[i].lastName, persons[i].personalCode, persons[i].matrixNumber);
         }
     }
-}
 
-/// Find the newest car based on year of issue
-void findNewestCar(car_t cars[], int numCars, car_t *newestCar) 
-{
-    *newestCar = cars[0];
-    for (int i = 1; i < numCars; i++) 
+    printf("\nSorted Women:\n");
+    for (int i = 0; i < records; i++) 
     {
-        if (cars[i].yearOfIssue > newestCar->yearOfIssue) 
+        if (persons[i].personalCode[0] == '2') 
         {
-            *newestCar = cars[i];
+            printf("%s %s %s %s\n", persons[i].firstName, persons[i].lastName, persons[i].personalCode, persons[i].matrixNumber);
         }
     }
 }
 
-/// Display the results on the screen
-void displayResults(car_t mostPowerfulCar, car_t oldestCar, car_t newestCar) 
-{
-    printf("Most Powerful Car:\n");
-    printf("Mark: %s, Model: %s, Number Plate: %s, Year: %d, Cubature: %s, Owner ID: %d\n",
-           mostPowerfulCar.mark, mostPowerfulCar.model, mostPowerfulCar.numberPlate,
-           mostPowerfulCar.yearOfIssue, mostPowerfulCar.cubature, mostPowerfulCar.personalIdentificationNumber);
-
-    printf("\nOldest Car:\n");
-    printf("Mark: %s, Model: %s, Number Plate: %s, Year: %d, Cubature: %s, Owner ID: %d\n",
-           oldestCar.mark, oldestCar.model, oldestCar.numberPlate, oldestCar.yearOfIssue,
-           oldestCar.cubature, oldestCar.personalIdentificationNumber);
-
-    printf("\nNewest Car:\n");
-    printf("Mark: %s, Model: %s, Number Plate: %s, Year: %d, Cubature: %s, Owner ID: %d\n",
-           newestCar.mark, newestCar.model, newestCar.numberPlate, newestCar.yearOfIssue,
-           newestCar.cubature, newestCar.personalIdentificationNumber);
-}
-
-/// Write the results to an output file
-void writeResultsToFile(car_t mostPowerfulCar, car_t oldestCar, car_t newestCar, const char *outputFileName) 
+/// Write the sorted data to an output file
+void writeOutput(person_t persons[], int records, const char *outputFileName) 
 {
     FILE *outputFile = fopen(outputFileName, "w");
     if (outputFile == NULL) 
     {
-        printErrorOpeningFile("output");
+        printf("Error opening output file.\n");
         return;
     }
 
-    fprintf(outputFile, "Most Powerful Car:\n");
-    fprintf(outputFile, "Mark: %s, Model: %s, Number Plate: %s, Year: %d, Cubature: %s, Owner ID: %d\n",
-            mostPowerfulCar.mark, mostPowerfulCar.model, mostPowerfulCar.numberPlate,
-            mostPowerfulCar.yearOfIssue, mostPowerfulCar.cubature, mostPowerfulCar.personalIdentificationNumber);
-
-    fprintf(outputFile, "\nOldest Car:\n");
-    fprintf(outputFile, "Mark: %s, Model: %s, Number Plate: %s, Year: %d, Cubature: %s, Owner ID: %d\n",
-            oldestCar.mark, oldestCar.model, oldestCar.numberPlate, oldestCar.yearOfIssue,
-            oldestCar.cubature, oldestCar.personalIdentificationNumber);
+    fprintf(outputFile, "Men:\n");
+    for (int i = 0; i < records; i++) 
+    {
+        if (persons[i].personalCode[0] == '1') 
+        {
+            fprintf(outputFile, "%s %s %s %s\n", persons[i].firstName, persons[i].lastName, persons[i].personalCode, persons[i].matrixNumber);
+        }
+    }
 
-    fprintf(outputFile, "\nNewest Car:\n");
-    fprintf(outputFile, "Mark: %s, Model: %s, Number Plate: %s, Year: %d, Cubature: %s, Owner ID: %d\n",
-            newestCar.mark, newestCar.model, newestCar.numberPlate, newestCar.yearOfIssue,
-            newestCar.cubature, newestCar.personalIdentificationNumber);
+    fprintf(outputFile, "\nWomen:\n");
+    for (int i = 0; i < records; i++) 
+    {
+        if (persons[i].personalCode[0] == '2') 
+        {
+            fprintf(outputFile, "%s %s %s %s\n", persons[i].firstName, persons[i].lastName, persons[i].personalCode, persons[i].matrixNumber);
+        }
+    }
 
     fclose(outputFile);
 }
 
-/// Print error opening file message
-void printErrorOpeningFile(const char *fileType) 
+/// Print file status message
+void printFileStatus(int status) 
 {
-    printf("Error opening %s file.\n", fileType);
+    if (status == 1) 
+    {
+        printf("\nFile exists.\n\n");
+    } 
+    else 
+    {
+        printf("File does not exist.\n");
+    }
 }