refactoring project structure

include/common.h

@@ -0,0 +1,85 @@
+#ifndef TGBOT_COMMON_H
+#define TGBOT_COMMON_H
+
+#include <curl/curl.h>
+#include <stdint.h>
+
+/**
+ * A structure used to get curl response
+ */
+struct memory_buffer {
+	char *data;
+	size_t size;
+};
+
+/**
+ * A structure to represent bot object
+ */
+struct tgbot_t {
+	char token[128]; /**< Bot token */
+	char api[512];	 /**< Bot API url */
+	int32_t offset;	 /**< Bot offset */
+	CURL *curl;		 /**< Curl object, used to send http requests */
+};
+typedef struct tgbot_t tgbot;
+
+/**
+ * A structure to represent Bot information got from getMe API
+ */
+struct tgbot_me_t {
+	char first_name[256];
+	char username[32];
+};
+typedef struct tgbot_me_t tgbot_me;
+
+/**
+ * A structure to represent Update object
+ */
+struct tgbot_update_t {
+	int64_t update_id;		   /**< Update id */
+	long message_id;		   /**< Message id */
+	int64_t chat_id;		   /**< Chat id */
+	char chat_first_name[256]; /**< Chat first name */
+	char chat_last_name[256];  /**< Chat last name */
+	char chat_username[32];	   /**< Chat username */
+	char chat_type[32];		   /**< Chat type (private/public) */
+	int32_t date;			   /**< Date in unix timestamp */
+	char text[4096];		   /**< Message text */
+};
+typedef struct tgbot_update_t tgbot_update;
+
+/**
+ * A structure to represent CallbackQuery object
+ */
+struct tgbot_cbquery_t {
+	int64_t update_id;
+	long message_id;
+	int64_t chat_id;
+	char chat_username[32];
+	int32_t date;
+	char text[4096];
+	char chat_instance[128];
+	char data[64]; /**> Callback data */
+};
+typedef struct tgbot_cbquery_t tgbot_cbquery;
+
+/**
+ * Callback function pointer
+ */
+typedef void (*Callback)(tgbot *bot, tgbot_cbquery *query);
+
+/**
+ * A structure to represent error codes
+ */
+enum tgbot_rc {
+	TGBOT_OK = 0,
+	TGBOT_INIT_ERROR,
+	TGBOT_REQUEST_ERROR,
+	TGBOT_GETUPDATES_ERROR,
+	TGBOT_GETME_ERROR,
+	TGBOT_SENDMESSAGE_ERROR,
+	TGBOT_TELEGRAM_OK_ERROR,
+};
+typedef enum tgbot_rc tgbot_rc;
+
+#endif