Add uninstall

sources/core/apps/store/source/core/core.c

@@ -7,6 +7,7 @@
 #include "../apps/apps.h"
 #include "../update/update.h"
 #include "../install/install.h"
+#include "../uninstall/uninstall.h"
 
 void print_help(){
     printf("For help: ./store --help\n");
@@ -115,6 +116,9 @@ int main(int argc, char *argv[]){
         }else if(!strcmp(argv[1], "--update") && argc == 3){
             char* name = argv[2];
             update_app(curl, name);
+        }else if(!strcmp(argv[1], "--uninstall") && argc == 3){
+            char* name = argv[2];
+            uninstall_app(name);
         }else{
             print_help();
         }

sources/core/apps/store/source/uninstall/uninstall.c

@@ -0,0 +1,45 @@
+#include <ftw.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdbool.h>
+#include <sys/stat.h>
+
+#include "uninstall.h"
+
+static bool is_dir_exist(char* path){
+    struct stat sb;
+    return (stat(path, &sb) == 0 && S_ISDIR(sb.st_mode));
+}
+
+static int delete(const char *fpath, const struct stat *sb, int typeflag, struct FTW *ftwbuf){
+    return remove(fpath);
+}
+
+int rmrf(char* path){
+    return nftw(path, delete, 64, FTW_DEPTH | FTW_PHYS);
+}
+
+int uninstall_app(char* name){
+    printf("Uninstalling %s...\n", name);
+    char* path_store = getenv("PATHSTORE");
+    if(is_dir_exist(path_store)){
+        char* path_store_app = malloc(strlen(path_store) + sizeof((char)'/') + strlen(name) + sizeof((char)'/') + 1);
+        strcpy(path_store_app, path_store);
+        strcat(path_store_app, "/");
+        strcat(path_store_app, name);
+        strcat(path_store_app, "/");
+
+        if(is_dir_exist(path_store_app)){
+            printf("Done uninstall %s\n", name);
+            rmrf(path_store_app);
+            rmdir(path_store_app);
+            return 0;
+        }
+    }
+
+    printf("Can't uninstall %s\n", name);
+
+    return -1;
+}

sources/core/apps/store/source/uninstall/uninstall.h

@@ -0,0 +1,6 @@
+#ifndef UNINSTALL_H
+#define UNINSTALL_H
+
+int uninstall_app(char* name);
+
+#endif // UNINSTALL_H

sources/core/apps/store/source/update/update.c

@@ -8,6 +8,7 @@
 
 #include "update.h"
 #include "../install/install.h"
+#include "../uninstall/uninstall.h"
 
 static bool is_dir_exist(char* path){
     struct stat sb;
@@ -179,6 +180,10 @@ int update_app(CURL* curl, char* name){
             }else if(result == 1 && url != NULL){
                 printf("%s : is not up-to-date\n", name);
                 printf("Updating...\n");
+                printf("Removing old files...\n");
+                uninstall_app(name);
+
+                printf("Installing new files...\n");
                 int r = install_app(curl, url, name, true);
                 if(!r){
                     printf("Update finish with success\n");