separated files and changed if-else to switch-case in main

1 files changed, 110 insertions, 0 deletions

diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..b38733b
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,110 @@
+#include <stdint.h>
+
+#include "dbhandling.h"
+
+const uint8_t PATH_MAX = 64;
+const char *filepath = ".local/share/sqlite";
+const char *filename = "library.db";
+
+typedef enum {
+    GET,
+    SET,
+    ADD,
+} mode_e;
+
+static const struct {
+    mode_e val;
+    const char *str;
+} conversion [] = {
+    {GET, "get"},
+    {SET, "set"},
+    {ADD, "add"},
+};
+
+mode_e str2enum(const char *str)
+{
+    for (size_t i = 0; i < sizeof(conversion) / sizeof(conversion[0]); ++i) {
+        if (!strcmp(str, conversion[i].str))
+            return conversion[i].val;
+    }
+    return -1;
+}
+
+void print_help(void)
+{
+    printf("\n");
+    printf("usage: myal MODE TARGET NAME [EPISODE|CHAPTER]          \n");
+    printf("possible modes are: get|set|add                         \n");
+    printf("possible targets are: anime|manga                       \n");
+    printf("EXAMPLES: myal get anime %% | Prints all anime           \n");
+    printf("          myal set manga Murcielago 10 | Set chapter of " \
+    "Murcielago to 10\n");
+    printf("mode get is fuzzy; set and add have to match exactly    \n");
+    printf("\n");
+}
+
+int main(int argc, char **argv)
+{
+    if (argc < 4) {
+        fprintf(stderr, "missing argument...\n");
+        print_help();
+        exit(69);
+    }
+
+    mode_e mode;
+    char *target, *name, *value, *status;
+    mode = str2enum(argv[1]);
+    target = argv[2];
+    name = argv[3];
+
+    char fullpath[PATH_MAX];
+    snprintf(fullpath, PATH_MAX, "%s/%s/%s", getenv("HOME"), filepath, filename);
+
+    sqlite3 *db;
+    int rc;
+
+    rc = sqlite3_open(fullpath, &db);
+
+    if (rc) {
+        exit_with_error(db, "Can't open database: ");
+    }
+
+    switch (mode) {
+    case GET:
+        select_from_table(db, target, name);
+        break;
+    case SET:
+        if (argc < 5) {
+            fprintf(stderr, "missing argument...\n");
+            sqlite3_close(db);
+            exit(69);
+        }
+        if (argc == 5) {
+            value = argv[4];
+            update_entry(db, target, name, value, NULL);
+        } else if (argc == 6) {
+            value = argv[4];
+            status = argv[5];
+            update_entry(db, target, name, value, status);
+        }
+        break;
+    case ADD:
+        if (argc < 6) {
+            fprintf(stderr, "missing argument...\n");
+            sqlite3_close(db);
+            exit(69);
+        }
+        value = argv[4];
+        status = argv[5];
+        add_entry(db, target, name, value, status);
+        break;
+    default:
+        fprintf(stderr, "unknown option...\n");
+        print_help();
+        sqlite3_close(db);
+        exit(69);
+    }
+
+    sqlite3_close(db);
+    return 0;
+}