Overload hasParam, getParam (add filters) and overload reply and adde…

…d beginReply flavors (aka ESPAsyncWS) (#132)

* Overload hasParam and getParam with filters
* Add overload  reply(response) aka ESPAsyncWS and added beginReply() flavors to start a response from a request

src/PsychicRequest.cpp

@@ -323,6 +323,11 @@ bool PsychicRequest::hasParam(const char *key)
   return getParam(key) != NULL;
 }
 
+bool PsychicRequest::hasParam(const char *key, bool isPost, bool isFile)
+{
+  return getParam(key, isPost, isFile) != NULL;
+}
+
 PsychicWebParameter * PsychicRequest::getParam(const char *key)
 {
   for (auto *param : _params)
@@ -332,6 +337,14 @@ PsychicWebParameter * PsychicRequest::getParam(const char *key)
   return NULL;
 }
 
+PsychicWebParameter * PsychicRequest::getParam(const char *key, bool isPost, bool isFile)
+{
+  for (auto *param : _params)
+    if (param->name().equals(key) && isPost == param->isPost() && isFile == param->isFile())
+      return param;
+  return NULL;
+}
+
 bool PsychicRequest::hasSessionKey(const String& key)
 {
   return this->_session->find(key) != this->_session->end();
@@ -539,4 +552,44 @@ esp_err_t PsychicRequest::reply(int code, const char *contentType, const char *c
   response.setContent(content);
 
   return response.send();
-}
+}
+
+esp_err_t PsychicRequest::reply(PsychicResponse* response)
+{
+  esp_err_t err = response->send();
+  delete response;
+  return err;
+}
+
+PsychicResponse* PsychicRequest::beginReply(int code)
+{
+  PsychicResponse *response = new PsychicResponse(this);
+  response->setCode(code);
+  return response;
+}
+
+PsychicResponse* PsychicRequest::beginReply(int code, const char *contentType)
+{
+  PsychicResponse *response = new PsychicResponse(this);
+  response->setCode(code);
+  response->setContentType(contentType);
+  return response;
+}
+
+PsychicResponse* PsychicRequest::beginReply(int code, const char *contentType, const char *content)
+{
+  PsychicResponse *response = new PsychicResponse(this);
+  response->setCode(code);
+  response->setContentType(contentType);
+  response->setContent(content);
+  return response;
+}
+
+PsychicResponse* PsychicRequest::beginReply(int code, const char *contentType, const uint8_t *content, size_t len)
+{
+  PsychicResponse *response = new PsychicResponse(this);
+  response->setCode(code);
+  response->setContentType(contentType);
+  response->setContent(content, len);
+  return response;
+}

src/PsychicRequest.h

@@ -82,7 +82,9 @@ class PsychicRequest {
     PsychicWebParameter * addParam(PsychicWebParameter *param);
     PsychicWebParameter * addParam(const String &name, const String &value, bool decode = true, bool post = false);
     bool hasParam(const char *key);
+    bool hasParam(const char *key, bool isPost, bool isFile = false);
     PsychicWebParameter * getParam(const char *name);
+    PsychicWebParameter * getParam(const char *name, bool isPost, bool isFile = false);
 
     const String getFilename();
 
@@ -93,6 +95,12 @@ class PsychicRequest {
     esp_err_t reply(int code);
     esp_err_t reply(const char *content);
     esp_err_t reply(int code, const char *contentType, const char *content);
+    esp_err_t reply(PsychicResponse* response);
+
+    PsychicResponse* beginReply(int code);
+    PsychicResponse* beginReply(int code, const char* contentType);
+    PsychicResponse* beginReply(int code, const char* contentType, const char* content);
+    PsychicResponse* beginReply(int code, const char* contentType, const uint8_t* content, size_t len);
 };
 
 #endif // PsychicRequest_h