web wip

src/apps/web/WebUtils.h

@@ -0,0 +1,56 @@
+#pragma once
+
+#include <string>
+
+
+struct Url {
+    std::vector<std::string_view> path;
+    std::string_view query;
+
+    Url(std::string_view u) {
+        size_t pos;
+
+        if ((pos = u.find("?")) != std::string::npos) {
+            query = u.substr(pos + 1);
+            u = u.substr(0, pos);
+        }
+
+        while ((pos = u.find("/")) != std::string::npos) {
+            if (pos != 0) path.emplace_back(u.substr(0, pos));
+            u = u.substr(pos + 1);
+        }
+
+        if (u.size()) path.emplace_back(u);
+    }
+};
+
+inline std::string renderTimestamp(uint64_t now, uint64_t ts) {
+    uint64_t delta = now > ts ? now - ts : ts - now;
+
+    const uint64_t A = 60;
+    const uint64_t B = A*60;
+    const uint64_t C = B*24;
+    const uint64_t D = C*30.5;
+    const uint64_t E = D*12;
+
+    std::string output;
+
+    if      (delta < B) output += std::to_string(delta / A) + " minutes";
+    else if (delta < C) output += std::to_string(delta / B) + " hours";
+    else if (delta < D) output += std::to_string(delta / C) + " days";
+    else if (delta < E) output += std::to_string(delta / D) + " months";
+    else                output += std::to_string(delta / E) + " years";
+
+    if (now > ts) output += " ago";
+    else output += " in the future";
+
+    return output;
+}
+
+inline std::string renderPoints(double points) {
+    char buf[100];
+
+    snprintf(buf, sizeof(buf), "%g", points);
+
+    return std::string(buf);
+}