added unzip functionality, kinda buggy tho

muzi.c

@@ -2,16 +2,27 @@
 #include <stdlib.h>
 #include <string.h>
 #include <strings.h>
+#include <zip.h>
 #include <cjson/cJSON.h>
+#include <sys/stat.h>
+#include <sys/types.h>
 
 // TODO:
-// - unzip given .zip archives of spotify data
+// - unzip a given .zip archive of spotify data to a directory
+// - for each json file in the directory {
+//  - for each json entry {
+//    - add entry to postgresql db
+//  }
+// }
+//
 // - web ui
-// - enter all json data into postgresql db automatically
 // - sql tables: "full history", "artists", "songs", "albums" (see ipad)
 
-int main(void) {
-  FILE *fp = fopen("test.json", "r");
+int extract(const char *path);
+int get_artist_plays(void);
+
+int get_artist_plays(void) {
+  FILE *fp = fopen("/home/r/dl/spotify-data/rm35@gm - Spotify Extended Streaming History/Streaming_History_Audio_2020-2021_4.json", "r");
   if(fp == NULL) {
     printf("Error while opening file\n");
     return 1;
@@ -39,7 +50,7 @@ int main(void) {
 
   cJSON *track = NULL;
   int i = 0;
-  char artist[] = "Test";
+  char artist[] = "";
   cJSON_ArrayForEach(track, json) {
     cJSON *trackName = cJSON_GetObjectItemCaseSensitive(track, "master_metadata_album_artist_name");
     if(cJSON_IsString(trackName)) {
@@ -55,3 +66,62 @@ int main(void) {
   free(buffer);
   return 0;
 }
+
+int extract(const char *path) {
+  zip_t *za;
+  int err;
+  if((za = zip_open(path, 0, &err)) == NULL) {
+    zip_error_t error;
+    zip_error_init_with_code(&error, err);
+    fprintf(stderr, "Error opening zip archive: %s\n", zip_error_strerror(&error));
+    zip_error_fini(&error);
+    return 1;
+  }
+
+  int archived_files = zip_get_num_entries(za, ZIP_FL_UNCHANGED);
+
+  for (int i = 0; i < archived_files; i++) {
+    struct zip_stat st;
+    if (zip_stat_index(za, i, 0, &st) < 0) {
+      fprintf(stderr, "Error getting file info for index %d\n", i);
+      continue;
+    }
+
+    // Handle directories
+    if (st.name[strlen(st.name) - 1] == '/') {
+      mkdir(st.name, 0755); // Create directory if it doesn't exist
+      continue;
+    }
+
+    // Open file in archive
+    zip_file_t *zf = zip_fopen_index(za, i, 0);
+    if (!zf) {
+      fprintf(stderr, "Error opening file in zip: %s\n", st.name);
+      continue;
+    }
+
+    // Create output file
+    FILE *outfile = fopen(st.name, "w+");
+    if (!outfile) {
+      fprintf(stderr, "Error creating output file: %s\n", st.name);
+      zip_fclose(zf);
+      continue;
+    }
+
+    // Read and write data
+    char buffer[4096];
+    zip_int64_t bytes_read;
+    while ((bytes_read = zip_fread(zf, buffer, sizeof(buffer))) > 0) {
+      fwrite(buffer, 1, bytes_read, outfile);
+    }
+
+    // Close files
+    fclose(outfile);
+    zip_fclose(zf);
+  }
+  return 0;
+}
+
+int main(void) {
+  extract("archive.zip");
+}