Project Should be working

directories/csv_parser.c

@@ -5,7 +5,7 @@ struct node* parse_csv(char* name) {
   FILE * file;
   file = fopen(name, "r");
   if(!file) {
-    printf("Your File was Stolen by the Gremlins\n");
+    perror("Error");
     exit(66);
 
   }

directories/directory_list.c

@@ -0,0 +1,121 @@
+#include <stdio.h>
+#include "stdlib.h"
+#include <dirent.h>
+#include <sys/stat.h>
+#include "string.h"
+
+
+static int
+filter_movies (const struct dirent *unused)
+{
+  if(strstr(unused->d_name, "movies_") == unused->d_name) {
+    char* temp = strchr(unused->d_name, '.');
+    if(temp != NULL)
+      if( !strcmp(temp, ".csv"))
+        return 1;
+  }
+
+  return 0;
+}
+
+void dir_free(struct dirent** ent, int n) {
+
+  int i = 0;
+  while(n--) {
+     free(ent[n]);
+     i++;
+   }
+
+   free(ent);
+
+
+}
+
+char* largest_val() {
+
+  struct dirent** eps;
+  int num = scandir ("./", &eps, filter_movies, alphasort);
+
+  if(num < 1)
+    exit(1);
+
+  struct dirent* max = eps[0];
+  struct stat *cur_stat = malloc(sizeof(struct stat));
+  stat(eps[0]->d_name, cur_stat);
+  int n = 1;
+
+  struct stat *st = malloc(sizeof(struct stat));
+  while(n < num) {
+    stat (eps[n]->d_name, st);
+
+    if(st->st_size > cur_stat->st_size) {
+      struct stat* temp = cur_stat;
+      cur_stat = st;
+      st = temp;
+      max = eps[n];
+    }
+
+    n++;
+    }
+
+  char* ret = malloc((strlen(max->d_name) + 1) * sizeof(char));
+  strcpy(ret, max->d_name);
+
+  free(cur_stat);
+  free(st);
+  dir_free(eps, n);
+
+  return ret;
+}
+
+
+
+char* smallest_val() {
+
+  struct dirent** eps;
+  int num = scandir ("./", &eps, filter_movies, alphasort);
+
+  if(num < 1)
+    exit(1);
+
+  struct dirent* max = eps[0];
+  struct stat *cur_stat = malloc(sizeof(struct stat));
+  stat(eps[0]->d_name, cur_stat);
+  int n = 1;
+
+  struct stat *st = malloc(sizeof(struct stat));
+  while(n < num) {
+    stat (eps[n]->d_name, st);
+
+    if(st->st_size < cur_stat->st_size) {
+      struct stat* temp = cur_stat;
+      cur_stat = st;
+      st = temp;
+      max = eps[n];
+    }
+
+    n++;
+    }
+
+  char* ret = malloc((strlen(max->d_name) + 1) * sizeof(char));
+  strcpy(ret, max->d_name);
+
+  free(cur_stat);
+  free(st);
+  dir_free(eps, n);
+
+  return ret;
+}
+
+int temp() {
+
+  char* large = largest_val();
+  printf("Largest Moives: %s\n", large);
+  char* small = smallest_val();
+  printf("Smallest Moives: %s\n", small);
+
+  free(small);
+  free(large);
+
+  return 0;
+}

directories/directory_list.h

@@ -0,0 +1,10 @@
+
+#ifndef DIR_LISTER
+#define DIR_LISTER
+
+
+char* largest_val();
+char* smallest_val();
+
+#endif
+

directories/input.c

@@ -19,3 +19,16 @@ int integer_input(char* val) {
 
   return num;
 }
+
+char* string_input(char* val) {
+
+  char* string = malloc(sizeof(char) * 1000);
+
+  printf("%s", val);
+  fflush(stdout);
+
+  ssize_t n = read(STDIN_FILENO, string, 1000);
+  string[n - 1] = '\0';
+
+  return string;
+}

directories/input.h

@@ -1,5 +1,6 @@
 
 #include "stdio.h"
+#include "string.h"
 #include "stdlib.h"
 #include "unistd.h"
 
@@ -8,5 +9,6 @@
 
 // Error checking integer input
 int integer_input(char*);
+char* string_input(char*);
 
 #endif

directories/makefile

@@ -0,0 +1,23 @@
+CC=gcc --std=gnu99 -g
+output=movies_by_year
+
+all: movies_by_year.c movies_by_year.h csv_parser.o node.o input.o directory_list.o
+	$(CC) movies_by_year.c csv_parser.o node.o input.o directory_list.o -o $(output)
+
+csv_parser.o: csv_parser.c csv_parser.h 
+	$(CC) -c csv_parser.c -o csv_parser.o
+
+node.o: node.c node.h
+	$(CC) -c node.c -o node.o
+
+input.o: input.h input.c
+	$(CC) -c input.c -o input.o
+
+directory_list.o: directory_list.c directory_list.h
+	$(CC) -c directory_list.c -o directory_list.o
+
+run: 
+	./movies_by_year movies_sample_1.csv
+
+clean:
+	rm -fr *.o vgcore.* temp.movies.* $(output)

directories/movies.c

@@ -0,0 +1,190 @@
+#include "movies.h"
+
+int haschanged = 0;
+
+int main(int argc, char** argv) {
+
+  if(argc < 2) {
+    printf("Please Specify Filename\n");
+    return 64;
+  }
+
+  struct node* head = parse_csv(argv[1]);
+
+  // menu logic
+  enum OPTIONS menu_select = 0;
+  while(1) {
+
+    menu_select = menu();
+
+    switch(menu_select) {
+      case YEAR:
+        movie_year(head);
+        break;
+      case RATE:
+        movie_rate(head);
+        break;
+      case LANGUAGE: 
+        movie_lang(head);
+        break;
+      case EXIT:
+        printf("Goodbye~\n");
+        return 0;
+      default:
+        printf("You naughty~ Pick a correct option next time.\n");
+    }
+  }
+}
+
+int menu() {
+
+  printf("1. Show movies released in the specified year\n");
+  printf("2. Show highest rated movie for each year\n");
+  printf("3. Show the title and year of release of all movies in a specific language\n");
+  printf("4. Exit from the program\n");
+
+  int option;
+  do {
+    option = integer_input("Enter a choice from 1 to 4: ");
+  } while(option > 4 || option < 1);
+
+  return option;
+}
+
+void year_print(struct csv* data, void* val) {
+
+  if(data->year != *(int*)val)
+    return;
+
+  printf("%s\n", data->title);
+  haschanged = 1;
+}
+
+void movie_year(struct node* head) {
+
+  void* f =  &year_print;
+  int* val = malloc(sizeof(int));
+
+  *val = integer_input("Enter year to search movies from: ");
+  haschanged = 0;
+
+  // Prints each node if movie year the same as specified
+  iterate_nodes(head, f, val);
+
+  if(!haschanged) {
+    printf("No data about movies released in the year %d", *val);
+  }
+
+  printf("\n\n");
+
+}
+
+void lang_print(struct csv* data, void* val) {
+
+  for(int i = 0; i < data->numlang; i++) {
+
+    // Prints if movie is in given language 
+    if(!strcmp(val, data->languages[i])) {
+      printf("%d %s\n", data->year, data->title);
+      haschanged = 1;
+    }
+  }
+}
+
+void movie_lang(struct node* head) {
+
+  void* f = &lang_print;
+  char val[41];
+
+  printf("Enter Language to search for: ");
+  fflush(stdout);
+  fgets(val, 40, stdin);
+
+  // Replace newline character with the null terminator
+  val[strlen(val)-1] = '\0';
+
+  haschanged = 0;
+  iterate_nodes(head, f, &val);
+
+  if(!haschanged)
+    printf("No data about movies released in %s\n", val);
+  printf("\n");
+
+}
+
+void check_year(int* data, int* year) {
+
+  if(*data == *year)
+    haschanged = 1;
+
+}
+
+void find_year(struct csv* data, void* year) {
+
+  void* f = &check_year;
+  
+  haschanged = 0;
+  // Finds every year that has a movie produced in our list
+  iterate_nodes(year, f, &data->year);
+
+  if(!haschanged)
+    appendv_node(year, &data->year);
+
+  haschanged = 0;
+
+}
+
+void print_rating(struct csv* data, struct csv** val) {
+
+  // Null case handled here
+  if(val[0] == NULL) {
+    if(data->year == haschanged)
+      val[0] = data;
+    return;
+  }
+
+  // Sets pointer to movie struct of new highest rating
+  if(data->rating > val[0]->rating
+     && data->year == haschanged)
+    val[0] = data;
+
+}
+
+void index_nodes(int* val, void* head) {
+
+  haschanged = *val;
+
+  struct csv ** cur_val = malloc(sizeof(struct csv*)); 
+  cur_val[0] = NULL;
+
+  void* f =  &print_rating;
+
+  // Find the node of highest rating for specified year
+  iterate_nodes(head, f, cur_val);
+
+  printf("%d %2.1f %s\n", cur_val[0]->year, cur_val[0]->rating, cur_val[0]->title);
+  
+  haschanged = 0;
+
+}
+
+void movie_rate(struct node* head) {
+
+  struct csv* temp = head->data;
+
+  struct node* year = appendv_node(NULL, &temp->year);
+
+  void* f = &find_year;
+
+  // Make a list of every year that has a movie
+  iterate_nodes(head, f, year);
+
+  void* tempish = &index_nodes;
+
+  
+  // Iterate though every year and find the highest rating
+  iterate_nodes(year, tempish, head);
+
+  printf("\n");
+}
+

directories/movies.h

@@ -0,0 +1,29 @@
+
+
+#ifndef MOVIES
+#define MOVIES
+
+#include "stdio.h"
+#include "stdlib.h"
+
+#include "csv_parser.h"
+#include "node.h"
+#include "input.h"
+
+int menu();
+
+// Headers for the options called by menu
+void movie_year(struct node*);
+void movie_rate(struct node*);
+void movie_lang(struct node*);
+
+// Menu Options
+enum OPTIONS {
+  YEAR = 1,
+  RATE = 2,
+  LANGUAGE = 3,
+  EXIT = 4,
+};
+
+
+#endif

directories/movies_by_year.c

@@ -7,13 +7,100 @@ int main() {
   // seed random seed 
   srand(time(NULL));
 
-  struct node* head = parse_csv("movies_sample_1.csv");
+  enum OPTIONS menu_select = 0;
+  while(1) {
+
+    if(menu_select == 0)
+      menu_select = menu();
+
+    switch(menu_select) {
+      case SMALL:
+        movie_by_small();
+        menu_select = 0;
+        break;
+      case LARGE:
+        movie_by_large();
+        menu_select = 0;
+        break;
+      case SELECT:
+        movie_by_select();
+        menu_select = 0;
+        break;
+      case PROCCESS:
+        menu_select = select_ftype();
+        break;
+      case EXIT:
+        printf("Goodbye~\n");
+        return 0;
+      default:
+        printf("You naughty~ Pick a correct option next time.\n");
+    }
+  }
+}
+
+void movie_by_small() {
+
+  char* name = smallest_val();
+  choose_movie(name);
+}
+
+void movie_by_large() {
+
+  char* name = largest_val();
+  choose_movie(name);
+
+}
+
+int select_ftype() {
+
+  while(1) {
+    printf("Enter 1 to pick the largest file\n");
+    printf("Enter 2 to pick the smallest file\n");
+    printf("Enter 3 to specify the name of a file\n");
+
+    switch(integer_input("Enter a choice from 1 to 3: ")) {
+      case 1: 
+        return 4;
+      case 2: 
+        return 5;
+      case 3:
+        return 3;
+      default:
+        break;
+    }
+  }
+}
+
+int menu() {
+  printf("1. Select file to process\n");
+  printf("2. Exit program\n");
+  int choice = 0;
+  while((choice > 2) || (choice < 1)) {
+    choice = integer_input("Enter Choice 1 or 2: ");
+  }
+  return  choice;
+}
+
+void movie_by_select() {
+
+  char* dir_str = string_input("Enter CSV to parse: ");
+
+  choose_movie(dir_str);
+}
+
+void choose_movie(char* dir_str) {
+  //printf("\nDirectory: %s\n", dir_str);
+  struct node* head = parse_csv(dir_str);
 
   // Generate the String for movies
   char* dir = malloc(sizeof(char)*100);
   sprintf(dir, "temp.movies.%d", rand() % 100000);
 
-  return 0;
+  printf("Created directory with the name %s\n", dir);
+  print_csv(head, dir);
+
+  free(dir_str);
+  free(dir);
 }
 
 void write_file(struct csv* node, FILE* mov_file) {
@@ -46,7 +133,6 @@ void index_nodes(int* val, void* head) {
 void print_csv(struct node* head, char* dir) {
 
   int result = mkdir(dir, 0750);
-  printf("%d\n", result);
 
   chdir(dir);
   
@@ -62,6 +148,8 @@ void print_csv(struct node* head, char* dir) {
   // Iterate through every year year
   iterate_nodes(year, tempish, head);
 
+  chdir("..");
+
 }
 
 void check_year(int* data, int* year) {

directories/movies_by_year.h

@@ -12,19 +12,26 @@
 #include "csv_parser.h"
 #include "node.h"
 #include "input.h"
+#include "directory_list.h"
 
 int menu();
+int select_ftype();
 
 void print_csv(struct node*, char*);
 
 // Menu Options
 enum OPTIONS {
-  YEAR = 1,
+  PROCCESS = 1,
-  RATE = 2,
+  EXIT = 2,
-  LANGUAGE = 3,
+  SELECT = 3,
-  EXIT = 4,
+  LARGE = 4,
+  SMALL = 5,
 };
 
+void movie_by_small();
+void movie_by_large();
+void movie_by_select();
+void choose_movie(char*);
 void find_year(struct csv*, void*);
 
 #endif