view specific posts

server/meson.build

@@ -4,6 +4,7 @@ sources = [
     'src/main.cpp',
     'src/post.cpp',
     'src/db.cpp',
+    'src/generated/e404.cpp',
     'src/generated/header.cpp',
     'src/generated/footer.cpp',
     'src/generated/style.cpp',

server/src/main.cpp

@@ -1,5 +1,4 @@
 #include <cstdint>
-#include <iostream>
 #include <mutex>
 #include <sstream>
 #include <stdexcept>
@@ -12,6 +11,7 @@
 #include "db.h"
 #include "post.h"
 
+#include "generated/e404.h"
 #include "generated/header.h"
 #include "generated/footer.h"
 #include "generated/style.h"
@@ -20,11 +20,13 @@
 int main() {
     const bin2cpp::File& headerfile = bin2cpp::getHeaderHtmlFile();
     const bin2cpp::File& footerfile = bin2cpp::getFooterHtmlFile();
+    const bin2cpp::File& e404file   = bin2cpp::getE404HtmlFile();
     const bin2cpp::File& stylefile  = bin2cpp::getStyleCssFile();
     const bin2cpp::File& scriptfile = bin2cpp::getScriptJsFile();
 
     std::string header{headerfile.getBuffer(), headerfile.getSize()};
     std::string footer{footerfile.getBuffer(), footerfile.getSize()};
+    std::string e404{e404file.getBuffer(), e404file.getSize()};
     std::string style{stylefile.getBuffer(), stylefile.getSize()};
     std::string script{scriptfile.getBuffer(), scriptfile.getSize()};
 
@@ -61,6 +63,31 @@ int main() {
             response.set_content(ss.str(), "text/html");
 
         } catch (const std::runtime_error& e) {
+            response.status = 500;
+            response.set_content("<p>there was an error :( it is: " + std::string(e.what()) + "</p>", "text/html");
+        }
+    });
+
+    svr.Get("/posts/:id", [&header, &footer, &e404, &database, &data_mutex](const httplib::Request& request, httplib::Response& response) {
+        std::string postId = request.path_params.at("id");
+        try {
+            uint64_t postIdNum = std::stoll(postId);
+            std::optional<Post> post = database.getPost(postIdNum);
+
+            if (!post.has_value()) {
+                response.status = 404;
+                response.set_content(e404, "text/html");
+                return;
+            }
+
+            std::stringstream ss;
+            ss << header << post->genHtml() << footer;
+            response.set_content(ss.str(), "text/html");
+        } catch (const std::runtime_error& e) {
+            response.status = 500;
+            response.set_content("<p>there was an error :( it is: " + std::string(e.what()) + "</p>", "text/html");
+        } catch (const std::exception& e) {
+            response.status = 500;
             response.set_content("<p>there was an error :( it is: " + std::string(e.what()) + "</p>", "text/html");
         }
     });
@@ -98,6 +125,7 @@ int main() {
             database.addPost(Post(post, userId));
             response.set_redirect("/");
         } catch (const std::runtime_error& e) {
+            response.status = 500;
             response.set_content("<p>there was an error :( it is: " + std::string(e.what()) + "</p>", "text/html");
         }
 
@@ -114,8 +142,10 @@ int main() {
             uint64_t postNum = std::stoull(post);
             database.addLike(postNum, 0);
         } catch (const std::runtime_error& e) {
+            response.status = 500;
             response.set_content("<p>there was an error :( it is: " + std::string(e.what()) + "</p>", "text/html");
         } catch (const std::exception& e) {
+            response.status = 500;
             response.set_content("<p>there was an error :( it is: " + std::string(e.what()) + "</p>", "text/html");
         }
     });