Implemented blog listing.

This commit is contained in:
Relintai 2021-11-21 16:15:29 +01:00
parent 8bd3c03468
commit 0f28f3bb22
3 changed files with 121 additions and 4 deletions

2
HEADS
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@ -1 +1 @@
{"engine": {"master": "557c2a3934fda8bcc76be3bde525bead5adcaead"}}
{"engine": {"master": "86b890eb8f911d1fcdae28dcbe6330f421eeae3d"}}

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@ -9,11 +9,15 @@
#include "core/http/handler_instance.h"
#include "core/database/database_manager.h"
#include "core/database/query_builder.h"
#include "core/database/query_result.h"
#include "core/html/html_builder.h"
#include "core/http/http_session.h"
#include "core/http/session_manager.h"
#include "core/utils.h"
void WPApplication::index_fun(Object *instance, Request *request) {
WPApplication *app = Object::cast_to<WPApplication>(instance);
@ -46,10 +50,115 @@ void WPApplication::index(Request *request) {
}
void WPApplication::blog(Request *request) {
request->body += "test blog";
String blog = request->get_current_path_segment();
Database *db = nullptr;
for (int i = 0; i < _blog_data.size(); ++i) {
BlogData &bd = _blog_data[i];
if (bd.name == blog) {
db = bd.db;
break;
}
}
if (!db) {
request->send_error(404);
return;
}
request->push_path();
HTMLBuilder b;
int page = 1;
String action_segment = request->get_current_path_segment();
if (action_segment == "") {
// nothign to do
} else if (action_segment == "page") {
request->push_path();
page = request->get_current_path_segment().to_int();
} else if (action_segment == "post") {
request->body += "test blog post";
request->compile_and_send_body();
return;
} else {
request->send_error(404);
return;
}
if (page <= 0) {
page = 1;
}
--page;
Vector<PostData *> posts = get_posts(db, page);
int post_count = (get_post_count(db) / 5.0) + 0.9;
b.div("content");
b.w(Utils::get_pagination("/blog/" + blog + "/page/", post_count, page));
if (posts.size() != 0) {
for (int i = 0; i < posts.size(); ++i) {
PostData *p = posts[i];
b.div("blog_content_row");
b.div("blog_entry_link")->f()->fa(request->get_url_root_current() + "post/" + String::num(p->id), "Open")->cdiv();
b.w(p->data);
b.cdiv();
}
} else {
b.fdiv("No saved blog posts.", "blog_content_row");
}
b.w(Utils::get_pagination("/blog/" + blog + "/page/", post_count, page));
b.cdiv();
request->body += b.result;
request->compile_and_send_body();
}
Vector<WPApplication::PostData *> WPApplication::get_posts(Database *db, const int page, const int num_per_page) {
Ref<QueryBuilder> qb = db->get_query_builder();
qb->select("id,url,extracted_data")->from("data")->order_by_desc("id")->corder_by()->limit(num_per_page)->offset(page * num_per_page)->end_command();
Ref<QueryResult> res = qb->run();
Vector<PostData *> r;
while (res->next_row()) {
PostData *p = new PostData();
p->id = res->get_cell_int(0);
p->url = res->get_cell(1);
p->data = res->get_cell(2);
r.push_back(p);
}
return r;
}
int WPApplication::get_post_count(Database *db) {
Ref<QueryBuilder> qb = db->get_query_builder();
qb->select("COUNT(id)")->from("data")->end_command();
Ref<QueryResult> res = qb->run();
if (!res->next_row()) {
return 0;
}
return res->get_cell_int(0);
}
void WPApplication::routing_middleware(Object *instance, Request *request) {
String path = request->get_path_full();

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@ -6,8 +6,7 @@
#include "core/string.h"
#include "modules/drogon/web_application.h"
#undef LOG_TRACE
#undef LOG_WARN
class Database;
class WPApplication : public DWebApplication {
RCPP_OBJECT(WPApplication, DWebApplication);
@ -19,6 +18,15 @@ public:
void index(Request *request);
void blog(Request *request);
struct PostData {
int id;
String url;
String data;
};
Vector<PostData *> get_posts(Database *db, const int page, const int num_per_page = 5);
int get_post_count(Database *db);
static void routing_middleware(Object *instance, Request *request);
virtual void setup_routes();