added endpoints end refactor

src/register_user.c

@@ -0,0 +1,55 @@
+#include "user.h"
+
+void register_user(struct mg_connection *c, struct mg_http_message *hm) {
+    if (hm->body.len == 0) {
+      mg_http_reply(c, 400, "", "{%m:%m}", MG_ESC("error"),
+                    MG_ESC("must have <username>, <password>, <email>, <group, optional>, <is_superuser, optional>"));
+      return;
+    }
+    cJSON *jsonbody = cJSON_Parse(hm->body.buf);
+    cJSON *username = cJSON_GetObjectItem(jsonbody, "username");
+    cJSON *password = cJSON_GetObjectItem(jsonbody, "password");
+    cJSON *email = cJSON_GetObjectItem(jsonbody, "email");
+    cJSON *group = cJSON_GetObjectItem(jsonbody, "group");
+    cJSON *is_superuser = cJSON_GetObjectItem(jsonbody, "is_superuser");
+    if (username == nullptr || password == nullptr || email == nullptr) {
+        mg_http_reply(c, 400, "", "{%m:%m}", MG_ESC("error"),
+                      MG_ESC("must have <username>, <password>, <email>, <group, optional>, <is_superuser, optional>"));
+        return;
+    }
+    if (group == nullptr) {
+        group = cJSON_CreateString("users");
+    }
+    if (is_superuser == nullptr) {
+        is_superuser = cJSON_CreateBool(false);
+    }
+    const User *new_user_data = new_user(
+        username->valuestring,
+        password->valuestring,
+        email->valuestring,
+        group->valuestring,
+        is_superuser->valueint
+    );
+    if (new_user_data == nullptr) {
+        mg_http_reply(c, 500, "", "{%m:%m}", MG_ESC("error"), MG_ESC("failed to create user"));
+        return;
+    }
+    char responsedata[2048] = {0};
+    snprintf(
+        responsedata,
+        sizeof(responsedata),
+        "{\"id\": %d, \"username\": \"%s\", \"email\": \"%s\", \"group\": \"%s\", \"is_superuser\": %d}",
+        new_user_data->id,
+        new_user_data->username,
+        new_user_data->email,
+        new_user_data->group,
+        new_user_data->is_superuser
+    );
+
+    mg_http_reply(
+        c,
+        200,
+        "Content-Type: application/json\r\n",
+        responsedata
+    );
+}