add: schedules

helpers/get_server_port.cc

@@ -12,7 +12,7 @@ helpers::get_server_port(int fd)
     socklen_t addrlen = sizeof(sin);
     if(getsockname(fd, (struct sockaddr *)&sin, &addrlen) == 0)
     {
-        return sin.sin_port;
+        return ntohs(sin.sin_port);
     }
     return -1;
 }

helpers/parse_periods.cc

@@ -0,0 +1,81 @@
+#include <helpers.h>
+#include <drogon/drogon.h>
+#include <models/period_list.h>
+
+static int
+parse_HHMM(const char *begin, uint16_t *h, uint16_t *m)
+{
+    uint16_t tmp_h, tmp_m;
+    char *check = nullptr;
+
+    tmp_h = strtol(begin, &check, 10);
+    if(begin == check)
+    {
+        return 1;
+    }
+
+    begin = check + 1;
+    tmp_m = strtol(begin, &check, 10);
+    if(begin == check)
+    {
+        return 1;
+    }
+
+    *h = tmp_h;
+    *m = tmp_m;
+
+    return 0;
+}
+
+period_list*
+helpers::parse_periods(Json::Value periods_json)
+{
+    auto result = new period_list();
+
+    for (Json::Value::ArrayIndex i = 0; i != periods_json.size(); i++)
+    {
+        Json::Value p = periods_json[i];
+        if(!(p.isMember("start") && p.isMember("end")))
+        {
+            continue;
+        }
+        const char *start_str = p["start"].asCString();
+        const char *end_str = p["end"].asCString();
+
+        uint16_t h, m, start, end;
+
+        if(parse_HHMM(start_str, &h, &m))
+        {
+            continue;
+        }
+        start = (h * 60) + m;
+
+        if(parse_HHMM(end_str, &h, &m))
+        {
+            continue;
+        }
+        end = (h * 60) + m;
+
+        if(start < 0 || start > 24 * 60 || end < 0 || end > 24 * 60)
+        {
+            continue;
+        }
+        bool period_overlap = false;
+        for(int j = 0; j < result->length; j++)
+        {
+            if(result->periods[j]->is_in_period(start) || result->periods[j]->is_in_period(end))
+            {
+                period_overlap = true;
+                break;
+            }
+        }
+        if(period_overlap)
+        {
+            continue;
+        }
+
+        result->add_period(start, end);
+    }
+
+    return result;
+}