modified: src/planner.c

modified:   src/ui.c

src/db.h

@@ -5,5 +5,5 @@
 
 #endif
 
-extern void write_linkedlist_to_csv(llist *head, const char *filename);
-extern void write_csv_to_llist(const char *filename);
+void write_linkedlist_to_csv(llist *head, const char *filename);
+llist *write_csv_to_llist(const char *filename);

src/planner.c

@@ -269,3 +269,71 @@ llist *genPlan(llist *head, time_t timeAvail) {
 
   return events_ll;
 }
+
+const char *iCalHeader = "BEGIN:VCALENDAR\r\n"
+                         "VERSION:2.0\r\n"
+                         "PRODID:-//hacksw/handcal//NONSGML v1.0//EN\r\n";
+const char *iCalEvent = "BEGIN:VEVENT\r\n"
+                        "UID:%s%d\r\n"
+                        "DTSTAMP:%s\r\n"
+                        "DTSTART:%s\r\n"
+                        "DTEND:%s\r\n"
+                        "SUMMARY:%s\r\n"
+                        "END:VEVENT\r\n";
+
+int exportiCal(llist *events_ll) {
+
+  llist *ev_ll = events_ll;
+
+  llistPrintE(ev_ll);
+
+  printf("%s", iCalHeader);
+
+  time_t now = time(NULL);
+  struct tm lc;
+  localtime_r(&now, &lc);
+
+  // gen filename & open for write
+  char nameBuf[32];
+  strftime(nameBuf, 32 - 12, "%F", &lc);
+  strcat(nameBuf, "dayplan.ics");
+  FILE *fp = fopen(nameBuf, "w");
+  if (fp == NULL) {
+    planLog("fopen failed!!", 1);
+    return 1;
+  }
+  // write iCal header to file
+  fprintf(fp, "%s", iCalHeader);
+
+  // for every event in events_ll create VEVENT str and write to fp
+  int count = 0;
+  while (ev_ll != NULL) {
+    // gen iCal compatible time str
+    Event *current = ev_ll->data;
+    struct tm startlc;
+    struct tm endlc;
+    localtime_r(&current->plannedStartTime, &startlc);
+    localtime_r(&current->plannedEndTime, &endlc);
+    char timeStartBuf[17];
+    char timeEndBuf[17];
+    char timeStamp[17];
+    strftime(timeStamp, 17, "%Y%m%dT%k%M%SZ", &lc);
+    printf("%s\n", timeStamp);
+    strftime(timeStartBuf, 17, "%Y%m%dT%k%M%SZ", &startlc);
+    printf("%s\n", timeStartBuf);
+    strftime(timeEndBuf, 17, "%Y%m%dT%k%M%SZ", &endlc);
+    printf("%s\n", timeEndBuf);
+
+    fprintf(fp, iCalEvent, current->task->name, count, timeStamp, timeStartBuf,
+            timeEndBuf, current->task->name);
+    ev_ll = ev_ll->next;
+    count += 1;
+  }
+
+  // after all events are written end cal with
+  // END:VCALENDAR
+  fprintf(fp, "END:VCALENDAR\r\n");
+  fclose(fp);
+
+  return 0;
+}

src/planner.h

@@ -83,4 +83,6 @@ int cmpEvent(const void *a, const void *b);
  */
 llist *genPlan(llist *head, time_t timeAvail);
 
+int exportiCal(llist *head);
+
 #endif // !PLANNER

src/ui.c

@@ -13,6 +13,8 @@
 #include <stdlib.h>
 #include <time.h>
 
+const char *dbName = "db.csv";
+
 int main(void) {
   char taskname[256]; // taskName Buffer
   int taskcreation_date = 0;
@@ -20,14 +22,16 @@ int main(void) {
   int taskpriority = 0;
   int taskspare = 0;
 
-  llist *list = NULL;
+  llist *listT = NULL;
+  llist *listE = NULL;
   int choice = 0, i = 0;
   do {
     printf(" -1- Neues Fach eingeben\n");
     printf(" -2- Verfuegbare Zeit eingeben\n");
     printf(" -3- Alle vorhandenen Faecher aufliesten\n");
     printf(" -4- Kalenderlink ausgeben\n");
-    printf(" -5- Planer beenden\n");
+    printf(" -5- Faecher Importieren\n");
+    printf(" -6- Planer beenden\n");
     printf(" Wähle die gewünschte Option aus\n");
     if (scanf("%d", &choice) != 1) {
       printf("Falsche Eingabe\n");
@@ -57,20 +61,20 @@ int main(void) {
         return -1;
       }
 
-      printf(" Wie viel Zeit habe Sie für dieses Fach: \n");
-      if (scanf("%d", &taskspare) != 1) {
-        printf("Ungültige Eingabe.\n");
-        return -1;
-      }
+      // printf(" Wie viel Zeit habe Sie für dieses Fach: \n");
+      // if (scanf("%d", &taskspare) != 1) {
+      //   printf("Ungültige Eingabe.\n");
+      //   return -1;
+      // }
 
       // create deadline timestamp
       lc.tm_yday += taskdeadline_date;
       time_t deadline = mktime(&lc);
       Task *newT = newTask(taskname, now, deadline, taskpriority, 0);
-      if (list == NULL) {
-        list = llistNew(newT, cmpTaskN);
+      if (listT == NULL) {
+        listT = llistNew(newT, cmpTaskN);
       } else {
-        llistAppend(list, newT);
+        llistAppend(listT, newT);
       }
 
       break;
@@ -79,8 +83,9 @@ int main(void) {
           "Geben Sie die zur verfuegung stehende Zeit für die Fächer an: \n");
       scanf("%d", &taskspare);
       // if list exists use it to generate plan
-      if (list != NULL) {
-        genPlan(list, taskspare);
+      if (listT != NULL) {
+        listE = genPlan(listT, taskspare);
+        write_linkedlist_to_csv(listT, dbName);
       } else {
         printf("list is empty!");
         return -1;
@@ -88,10 +93,10 @@ int main(void) {
       break;
 
     case 3:
-      if (list == NULL) {
+      if (listT == NULL) {
         printf("Die Liste ist leer");
       } else {
-        llistPrintT(list);
+        llistPrintT(listT);
         //   llist *iterator = list;
         //   while (iterator != NULL) {
         //     Task *currentTask = (Task *)(iterator->data); // Cast zu Task
@@ -123,13 +128,28 @@ int main(void) {
       // }
       // break;
     case 4:
-      printf(
-          "Geben Sie die zur verfuegung stehende Zeit für die Fächer an: \n");
-      scanf("%d", &taskspare);
+      if (listE == NULL || taskspare <= 0) {
+        printf("vor Export erst task list erstellen, dann verfuegbare zeit "
+               "eingeben!\n");
+        break;
+      }
+      exportiCal(listE);
+      // printf(
+      //     "Geben Sie die zur verfuegung stehende Zeit für die Fächer an:
+      //     \n");
+      // scanf("%d", &taskspare);
 
       break;
-
     case 5:
+      listT = write_csv_to_llist(dbName);
+      break;
+
+    case 6:
+      printf("Goodbye!\n");
+      if (listE != NULL)
+        llistFreeE(listE);
+      if (listT != NULL)
+        llistPrintT(listT);
       // if (task == NULL) {//task?
       //   printf("Die Liste ist leer");
       // } else {
@@ -142,9 +162,8 @@ int main(void) {
       //     iterator = iterator->next; // Gehe zum nächsten Listenelement
       //   }
       // }
-      break;
+      return EXIT_SUCCESS;
       // case 4: iCAl();break;
     }
-  } while (choice != 5);
-  return EXIT_SUCCESS;
+  } while (choice < 6);
 }