From 041f7e889909bc9bc23f54c7ff8521e2dfe82183 Mon Sep 17 00:00:00 2001
From: yuzu-eva <cafebabe@disroot.org>
Date: Fri, 11 Apr 2025 16:59:21 +0200
Subject: separated files and changed if-else to switch-case in main

---
 src/dbhandling.c | 138 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 138 insertions(+)
 create mode 100644 src/dbhandling.c

(limited to 'src/dbhandling.c')

diff --git a/src/dbhandling.c b/src/dbhandling.c
new file mode 100644
index 0000000..778c147
--- /dev/null
+++ b/src/dbhandling.c
@@ -0,0 +1,138 @@
+#include "dbhandling.h"
+
+void exit_with_error(sqlite3 *db, const char *msg)
+{
+    fprintf(stderr, "%s: %s\n", msg, sqlite3_errmsg(db));
+    sqlite3_close(db);
+    exit(69);
+}
+
+void select_from_table(sqlite3 *db, char *tblName, char *qp)
+{
+    char *sql;
+    int rc;
+    int found = 0;
+
+    const unsigned char *name, *value, *status;
+    const char *type;
+    char *query_param = malloc(strlen(qp) + 2);
+    int id;
+
+
+    if (!strcmp(tblName, "anime")) {
+        type = "Episode";
+        sql = "SELECT * FROM anime WHERE NAME LIKE ?1 ORDER BY ID;";
+    } else if (!strcmp(tblName, "manga")) {
+        type = "Chapter";
+        sql = "SELECT * FROM manga WHERE NAME LIKE ?1 ORDER BY ID;";
+    } else {
+        fprintf(stderr, "table does not exist...\n");
+        sqlite3_close(db);
+        exit(69);
+    }
+
+    sqlite3_stmt *stmt;
+    snprintf(query_param, strlen(qp) + 2, "%s%%", qp);
+
+    rc = sqlite3_prepare_v2(db, sql, -1, &stmt, 0);
+    if (rc != SQLITE_OK) {
+        exit_with_error(db, "failure fetching data: ");
+    }
+
+    sqlite3_bind_text(stmt, 1, query_param, -1, SQLITE_TRANSIENT);
+
+    while(sqlite3_step(stmt) == SQLITE_ROW) {
+        id = sqlite3_column_int(stmt, 0);
+        name = sqlite3_column_text(stmt, 1);
+        value = sqlite3_column_text(stmt, 2);
+        status = sqlite3_column_text(stmt, 3);
+        printf("%03d: %s, %s %s, %s\n", id, name, type, value, status);
+        found = 1;
+    }
+
+    if (!found) {
+        printf("no entry found...\n");
+    }
+
+    sqlite3_finalize(stmt);
+    free(query_param);
+}
+
+void update_entry(sqlite3 *db, char *tblName, char *qp, char *value, char *status)
+{
+    char *sql;
+    int rc;
+    int res;
+
+    sqlite3_stmt *stmt;
+
+    if (!strcmp(tblName, "anime")) {
+        if (status == NULL) {
+            sql = "UPDATE anime SET EPISODE=?1 WHERE NAME=?2;";
+        } else {
+            sql = "UPDATE anime SET EPISODE=?1, STATUS=?2 WHERE NAME=?3;";
+        }
+    } else if (!strcmp(tblName, "manga")) {
+        if (status == NULL) {
+            sql = "UPDATE manga SET CHAPTER=?1 WHERE NAME=?2;";
+        } else {
+            sql = "UPDATE manga SET CHAPTER=?1, STATUS=?2 WHERE NAME=?3;";
+        }
+    } else {
+        fprintf(stderr, "table does not exist...\n");
+        sqlite3_close(db);
+        exit(69);
+    }
+
+    rc = sqlite3_prepare_v2(db, sql, -1, &stmt, 0);
+    if (rc != SQLITE_OK) {
+        exit_with_error(db, "failure fetching data: ");
+    }
+
+    if (status == NULL) {
+        sqlite3_bind_text(stmt, 1, value, -1, SQLITE_STATIC);
+        sqlite3_bind_text(stmt, 2, qp, -1, SQLITE_STATIC);
+    } else {
+        sqlite3_bind_text(stmt, 1, value, -1, SQLITE_STATIC);
+        sqlite3_bind_text(stmt, 2, status, -1, SQLITE_STATIC);
+        sqlite3_bind_text(stmt, 3, qp, -1, SQLITE_STATIC);
+    }
+
+    rc = sqlite3_step(stmt);
+    res = sqlite3_changes(db);
+    if (!res) {
+        printf("no entry found...\n");
+    }
+    sqlite3_finalize(stmt);
+}
+
+void add_entry(sqlite3 *db, char *tblName, char *name, char *value, char *status)
+{
+    char *sql;
+    int rc;
+
+    sqlite3_stmt *stmt;
+
+    if (!strcmp(tblName, "anime")) {
+        sql = "INSERT INTO anime (NAME, EPISODE, STATUS) VALUES (?1, ?2, ?3);";
+    } else if (!strcmp(tblName, "manga")) {
+        sql = "INSERT INTO manga (NAME, CHAPTER, STATUS) VALUES (?1, ?2, ?3);";
+    } else {
+        fprintf(stderr, "table does not exist...\n");
+        sqlite3_close(db);
+        exit(69);
+    }
+
+    rc = sqlite3_prepare_v2(db, sql, -1, &stmt, 0);
+    if (rc != SQLITE_OK) {
+        exit_with_error(db, "failure fetching data: ");
+    }
+
+    sqlite3_bind_text(stmt, 1, name, -1, SQLITE_STATIC);
+    sqlite3_bind_text(stmt, 2, value, -1, SQLITE_STATIC);
+    sqlite3_bind_text(stmt, 3, status, -1, SQLITE_STATIC);
+
+    rc = sqlite3_step(stmt);
+    printf("Entry %s added to %s!\n", name, tblName);
+    sqlite3_finalize(stmt);
+}
-- 
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