moving from gitlab

016RestAPI/db.c

@@ -0,0 +1,72 @@
+#include "db.h"
+#include <string.h>
+#include <stdio.h>
+
+
+sqlite3 *initDB() {
+  sqlite3 *db;
+  int rc = sqlite3_open("jokes.db", &db);
+
+  if (rc != SQLITE_OK) {
+    fprintf(stderr, "Cannot open database %s\n", sqlite3_errmsg(db));
+    return NULL;
+  }
+  return db;
+}
+
+char *GetJoke(sqlite3 *db) {
+  sqlite3_stmt *stmt;
+  char *sql ="select joke from Jokes order by random() limit 1;";
+  int rc = sqlite3_prepare_v2(db, sql, -1, &stmt, NULL);
+  if (rc != SQLITE_OK) {
+    fprintf(stderr, "Could not read DB: %s\n", sqlite3_errmsg(db));
+    return NULL;
+  }
+
+  if (sqlite3_step(stmt) == SQLITE_ROW) {
+    char *data = (char *)sqlite3_column_text(stmt, 0);
+    char *joke = strdup(data);
+    sqlite3_finalize(stmt);
+    sqlite3_close(db);
+    return joke;
+  }
+  return NULL;
+}
+
+bool DeleteJoke(sqlite3 *db, int id) {
+  char sql[64];
+  char *errMsg;
+
+  sprintf(sql, "delete from Jokes where id=%d;", id);
+
+  int rc = sqlite3_exec(db, sql, 0, 0, &errMsg);
+  if (rc != SQLITE_OK) {
+    fprintf(stderr, "Could not delete: %s\n", errMsg);
+    sqlite3_free(errMsg);
+    return false;
+  }
+  return true;
+}
+
+bool NewJoke(sqlite3 *db, char *data) {
+
+
+  return true;
+  
+}
+
+int JokeCount(sqlite3 *db) {
+  int count = 0;
+  sqlite3_stmt *stmt;
+  const char *sql = "select count(*) from Jokes;";
+  int rc = sqlite3_prepare_v2(db, sql, -1, &stmt, NULL);
+  if (rc != SQLITE_OK) {
+    fprintf(stderr, "Could not get count from db: %s\n", sqlite3_errmsg(db));
+    return -1;
+  }
+  while ((rc = sqlite3_step(stmt)) != SQLITE_DONE) {
+    count = sqlite3_column_int(stmt, 0);
+  }
+  return count;
+}
+