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path: root/src/plugins/push-notification/push-notification-event-flagsclear.c
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/* Copyright (c) 2015-2018 Dovecot authors, see the included COPYING file */

#include "lib.h"
#include "array.h"
#include "mail-storage.h"
#include "mail-types.h"

#include "push-notification-drivers.h"
#include "push-notification-events.h"
#include "push-notification-event-flagsclear.h"
#include "push-notification-txn-msg.h"

#define EVENT_NAME "FlagsClear"

static struct push_notification_event_flagsclear_config default_config;


static void *push_notification_event_flagsclear_default_config(void)
{
	i_zero(&default_config);

	return &default_config;
}

static void
push_notification_event_flagsclear_debug_msg(
	struct push_notification_txn_event *event)
{
	struct push_notification_event_flagsclear_data *data = event->data;
	const char *keyword;

	if ((data->flags_clear & MAIL_ANSWERED) != 0)
		i_debug("%s: Answered flag cleared", EVENT_NAME);
	if ((data->flags_clear & MAIL_FLAGGED) != 0)
		i_debug("%s: Flagged flag cleared", EVENT_NAME);
	if ((data->flags_clear & MAIL_DELETED) != 0)
		i_debug("%s: Deleted flag cleared", EVENT_NAME);
	if ((data->flags_clear & MAIL_SEEN) != 0)
		i_debug("%s: Seen flag cleared", EVENT_NAME);
	if ((data->flags_clear & MAIL_DRAFT) != 0)
		i_debug("%s: Draft flag cleared", EVENT_NAME);

	array_foreach_elem(&data->keywords_clear, keyword)
		i_debug("%s: Keyword clear [%s]", EVENT_NAME, keyword);
}

static struct push_notification_event_flagsclear_data *
push_notification_event_flagsclear_get_data(
	struct push_notification_txn *ptxn,
	struct push_notification_txn_msg *msg,
        struct push_notification_event_config *ec)
{
	struct push_notification_event_flagsclear_config *config =
		(struct push_notification_event_flagsclear_config *)ec->config;
	struct push_notification_event_flagsclear_data *data;

	data = push_notification_txn_msg_get_eventdata(msg, EVENT_NAME);
	if (data == NULL) {
		data = p_new(ptxn->pool,
			     struct push_notification_event_flagsclear_data, 1);
		data->flags_clear = 0;
		data->flags_old = 0;
		p_array_init(&data->keywords_clear, ptxn->pool, 4);
		if (config->store_old == TRUE)
			p_array_init(&data->keywords_old, ptxn->pool, 4);

		push_notification_txn_msg_set_eventdata(ptxn, msg, ec, data);
	}

	return data;
}

static void
push_notification_event_flagsclear_flags_event(
	struct push_notification_txn *ptxn,
	struct push_notification_event_config *ec,
	struct push_notification_txn_msg *msg, struct mail *mail,
	enum mail_flags old_flags)
{
	struct push_notification_event_flagsclear_config *config =
		(struct push_notification_event_flagsclear_config *)ec->config;
	struct push_notification_event_flagsclear_data *data;
	enum mail_flags flag_check_always[] = {
		MAIL_ANSWERED,
		MAIL_DELETED,
		MAIL_DRAFT,
		MAIL_FLAGGED,
		MAIL_SEEN
	};
	enum mail_flags flags;
	unsigned int i;

	data = push_notification_event_flagsclear_get_data(ptxn, msg, ec);
	flags = mail_get_flags(mail);

	for (i = 0; i < N_ELEMENTS(flag_check_always); i++) {
		if ((flags & flag_check_always[i]) == 0 &&
		    (old_flags & flag_check_always[i]) != 0)
			data->flags_clear |= flag_check_always[i];
	}

	if (config->store_old == TRUE)
		data->flags_old = old_flags;
}

static void
push_notification_event_flagsclear_keywords_event(
	struct push_notification_txn *ptxn,
	struct push_notification_event_config *ec,
	struct push_notification_txn_msg *msg, struct mail *mail,
	const char *const *old_keywords)
{
	struct push_notification_event_flagsclear_config *config =
		(struct push_notification_event_flagsclear_config *)ec->config;
	struct push_notification_event_flagsclear_data *data;
	const char *const *keywords, *const *kp, *ok;

	data = push_notification_event_flagsclear_get_data(ptxn, msg, ec);
	keywords = mail_get_keywords(mail);

	for (; *old_keywords != NULL; old_keywords++) {
		for (kp = keywords; *kp != NULL; kp++) {
			if (strcmp(*old_keywords, *kp) == 0)
				break;
		}

		if (*kp == NULL) {
			ok = p_strdup(ptxn->pool, *old_keywords);
			array_push_back(&data->keywords_clear, &ok);
		}

		if (config->store_old == TRUE) {
			ok = p_strdup(ptxn->pool, *old_keywords);
			array_push_back(&data->keywords_old, &ok);
		}
	}
}

static void
push_notification_event_flagsclear_free_msg(
	struct push_notification_txn_event *event)
{
	struct push_notification_event_flagsclear_data *data = event->data;

	if (array_is_created(&data->keywords_clear))
		array_free(&data->keywords_clear);
	if (array_is_created(&data->keywords_old))
		array_free(&data->keywords_old);
}

/* Event definition */

extern struct push_notification_event push_notification_event_flagsclear;

struct push_notification_event push_notification_event_flagsclear = {
	.name = EVENT_NAME,
	.init = {
		.default_config =
			push_notification_event_flagsclear_default_config,
	},
	.msg = {
		.debug_msg = push_notification_event_flagsclear_debug_msg,
		.free_msg = push_notification_event_flagsclear_free_msg,
	},
	.msg_triggers = {
		.flagchange = push_notification_event_flagsclear_flags_event,
		.keywordchange =
			push_notification_event_flagsclear_keywords_event,
	},
};