feat: begin adding settings menu, move theme to settings

src/Main.c

@@ -13,6 +13,8 @@
 #include "Routes/ImageProxy.h"
 #include "Routes/Images.h"
 #include "Routes/Search.h"
+#include "Routes/Settings.h"
+#include "Routes/SettingsSave.h"
 #include "Scraping/Scraping.h"
 
 Config global_config;
@@ -97,6 +99,8 @@ int main() {
   set_handler("/search", results_handler);
   set_handler("/images", images_handler);
   set_handler("/proxy", image_proxy_handler);
+  set_handler("/settings", settings_handler);
+  set_handler("/save_settings", settings_save_handler);
 
   fprintf(stderr, "[INFO] Starting Omnisearch on %s:%d\n", cfg.host, cfg.port);
 

src/Routes/Home.c

@@ -1,14 +1,19 @@
 #include "Home.h"
+#include "../Utility/Utility.h"
 #include <stdlib.h>
 
 int home_handler(UrlParams *params) {
   (void)params;
+  char *theme = get_theme("");
+
   TemplateContext ctx = new_context();
+  context_set(&ctx, "theme", theme);
   char *rendered_html = render_template("home.html", &ctx);
   send_response(rendered_html);
 
   free(rendered_html);
   free_context(&ctx);
+  free(theme);
 
   return 0;
 }

src/Routes/Images.c

@@ -1,6 +1,7 @@
 #include "Images.h"
 #include "../Scraping/ImageScraping.h"
 #include "../Utility/Unescape.h"
+#include "../Utility/Utility.h"
 #include "Config.h"
 
 int images_handler(UrlParams *params) {
@@ -29,6 +30,11 @@ int images_handler(UrlParams *params) {
   snprintf(two_prev_str, sizeof(two_prev_str), "%d", page > 2 ? page - 2 : 0);
   snprintf(two_next_str, sizeof(two_next_str), "%d", page + 2);
   context_set(&ctx, "query", raw_query);
+
+  char *theme = get_theme("");
+  context_set(&ctx, "theme", theme);
+  free(theme);
+
   context_set(&ctx, "page", page_str);
   context_set(&ctx, "prev_page", prev_str);
   context_set(&ctx, "next_page", next_str);
@@ -39,7 +45,7 @@ int images_handler(UrlParams *params) {
   context_set(&ctx, "query", display_query);
 
   if (!raw_query || strlen(raw_query) == 0) {
-    send_response("<h1>No query provided</h1>");
+    send_redirect("/");
     if (display_query)
       free(display_query);
     free_context(&ctx);

src/Routes/Search.c

@@ -7,6 +7,7 @@
 #include "../Scraping/Scraping.h"
 #include "../Utility/Display.h"
 #include "../Utility/Unescape.h"
+#include "../Utility/Utility.h"
 #include "Config.h"
 #include <ctype.h>
 #include <pthread.h>
@@ -401,12 +402,17 @@ int results_handler(UrlParams *params) {
   }
 
   context_set(&ctx, "query", raw_query);
+
+  char *theme = get_theme("");
+  context_set(&ctx, "theme", theme);
+  free(theme);
+
   char page_str[16];
   snprintf(page_str, sizeof(page_str), "%d", page);
   context_set(&ctx, "page", page_str);
 
   if (!raw_query || strlen(raw_query) == 0) {
-    send_response("<h1>No query provided</h1>");
+    send_redirect("/");
     free_context(&ctx);
     return -1;
   }

src/Routes/Settings.c

@@ -0,0 +1,30 @@
+#include "Settings.h"
+#include "../Utility/Utility.h"
+#include <stdlib.h>
+#include <string.h>
+
+int settings_handler(UrlParams *params) {
+  const char *query = "";
+  if (params) {
+    for (int i = 0; i < params->count; i++) {
+      if (strcmp(params->params[i].key, "q") == 0) {
+        query = params->params[i].value;
+        break;
+      }
+    }
+  }
+
+  char *theme = get_theme("system");
+
+  TemplateContext ctx = new_context();
+  context_set(&ctx, "query", query);
+  context_set(&ctx, "theme", theme);
+  char *rendered_html = render_template("settings.html", &ctx);
+  send_response(rendered_html);
+
+  free(rendered_html);
+  free(theme);
+  free_context(&ctx);
+
+  return 0;
+}

src/Routes/Settings.h

@@ -0,0 +1,8 @@
+#ifndef SETTINGS_H
+#define SETTINGS_H
+
+#include <beaker.h>
+
+int settings_handler(UrlParams *params);
+
+#endif

src/Routes/SettingsSave.c

@@ -0,0 +1,28 @@
+#include "SettingsSave.h"
+#include <stdlib.h>
+#include <string.h>
+
+int settings_save_handler(UrlParams *params) {
+  const char *theme = "";
+  const char *query = "";
+
+  if (params) {
+    for (int i = 0; i < params->count; i++) {
+      if (strcmp(params->params[i].key, "theme") == 0) {
+        theme = params->params[i].value;
+      } else if (strcmp(params->params[i].key, "q") == 0) {
+        query = params->params[i].value;
+      }
+    }
+  }
+
+  if (strlen(theme) > 0) {
+    set_cookie("theme", theme, "Fri, 31 Dec 2038 23:59:59 GMT", "/", false, false);
+  }
+
+  char redirect_url[512];
+  snprintf(redirect_url, sizeof(redirect_url), "/settings?q=%s", query);
+  send_redirect(redirect_url);
+
+  return 0;
+}

src/Routes/SettingsSave.h

@@ -0,0 +1,8 @@
+#ifndef SETTINGS_SAVE_H
+#define SETTINGS_SAVE_H
+
+#include <beaker.h>
+
+int settings_save_handler(UrlParams *params);
+
+#endif

src/Utility/Utility.c

@@ -1,4 +1,7 @@
 #include "Utility.h"
+#include <beaker.h>
+#include <stdlib.h>
+#include <string.h>
 
 int hex_to_int(char c) {
   if (c >= '0' && c <= '9')
@@ -9,3 +12,14 @@ int hex_to_int(char c) {
     return c - 'A' + 10;
   return -1;
 }
+
+char *get_theme(const char *default_theme) {
+  char *cookie = get_cookie("theme");
+  if (cookie &&
+      (strcmp(cookie, "light") == 0 ||
+       strcmp(cookie, "dark") == 0)) {
+    return cookie;
+  }
+  free(cookie);
+  return strdup(default_theme);
+}

src/Utility/Utility.h

@@ -2,5 +2,6 @@
 #define UTILITY_H
 
 int hex_to_int(char c);
+char *get_theme(const char *default_theme);
 
 #endif