397 lines
12 KiB
C
397 lines
12 KiB
C
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/*
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* This file is part of matrix-glib-sdk
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*
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* matrix-glib-sdk is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation, either
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* version 3 of the License, or (at your option) any later version.
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*
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* matrix-glib-sdk is distributed in the hope that it will be
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* useful, but WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with matrix-glib-sdk. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#include "matrix-event-receipt.h"
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#include "matrix-types.h"
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#include "matrix-enumtypes.h"
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#include "config.h"
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/**
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* SECTION:matrix-event-receipt
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* @short_description: event to inform clients of new receipts
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*
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* This is the default event handler for `m.receipt` events.
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*/
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enum {
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PROP_0,
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PROP_ROOM_ID,
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NUM_PROPS
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};
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static GParamSpec* matrix_event_receipt_properties[NUM_PROPS];
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typedef struct {
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gchar *_room_id;
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GHashTable *_receipt_data;
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} MatrixEventReceiptPrivate;
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/**
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* MatrixEventReceipt:
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*/
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G_DEFINE_TYPE_WITH_PRIVATE(MatrixEventReceipt, matrix_event_receipt, MATRIX_EVENT_TYPE_BASE);
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typedef struct {
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gchar *event_id;
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gchar *typ;
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gchar *user;
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guint refcount;
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} ReceiptData;
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static gboolean
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_rd_equal(ReceiptData *k1, ReceiptData *k2) {
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if ((k1 == NULL) && (k2 == NULL)) {
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return TRUE;
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}
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if ((k1 == NULL) || (k2 == NULL)) {
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return FALSE;
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}
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return ((g_strcmp0(k1->event_id, k2->event_id) == 0) &&
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(g_strcmp0(k1->typ, k2->typ) == 0) &&
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(g_strcmp0(k1->user, k2->user) == 0));
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}
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static void
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_rd_free(ReceiptData *receipt_data) {
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g_return_if_fail(receipt_data != NULL);
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if ( --receipt_data->refcount == 0) {
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g_free(receipt_data->event_id);
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g_free(receipt_data->typ);
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g_free(receipt_data->user);
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g_free(receipt_data);
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}
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}
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static void
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process_event(JsonObject *obj, const gchar *key, JsonNode *member_node, gpointer user_data)
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{
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JsonNode *node;
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MatrixEventReceiptPrivate *priv = user_data;
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if ((node = json_object_get_member(json_node_get_object(member_node), "m.read")) != NULL) {
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JsonObject *read_obj = json_node_get_object(node);
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JsonObjectIter inner_iter;
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JsonNode *inner_node;
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const gchar *inner_key;
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json_object_iter_init(&inner_iter, read_obj);
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while (json_object_iter_next(&inner_iter, &inner_key, &inner_node)) {
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gulong *value;
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ReceiptData *rd_key;
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if (priv->_receipt_data == NULL) {
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priv->_receipt_data = g_hash_table_new_full(g_direct_hash, (GEqualFunc)_rd_equal, (GDestroyNotify)_rd_free, g_free);
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}
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rd_key = g_new(ReceiptData, 1);
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rd_key->event_id = g_strdup(key);
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rd_key->typ = g_strdup("m.read");
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rd_key->user = g_strdup(inner_key);
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value = g_new(gulong, 1);
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*value = json_node_get_int(json_object_get_member(json_node_get_object(inner_node), "ts"));
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g_hash_table_replace(priv->_receipt_data, rd_key, value);
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}
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} else {
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g_warning("content.$event-id.m.read is missing from a m.presence event");
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}
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}
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static void
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matrix_event_receipt_real_from_json(MatrixEventBase *matrix_event_base, JsonNode *json_data, GError **error)
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{
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MatrixEventReceiptPrivate *priv;
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JsonObject *root;
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JsonObject *content_root;
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JsonNode *content_node;
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JsonNode *node;
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GError *inner_error = NULL;
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g_return_if_fail(json_data != NULL);
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priv = matrix_event_receipt_get_instance_private(MATRIX_EVENT_RECEIPT(matrix_event_base));
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root = json_node_get_object(json_data);
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content_node = json_object_get_member(root, "content");
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content_root = json_node_get_object(content_node);
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if ((node = json_object_get_member(root, "room_id")) != NULL) {
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g_free(priv->_room_id);
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priv->_room_id = g_strdup(json_node_get_string(node));
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} else if (DEBUG) {
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g_warning("room_id is missing from a m.receipt event");
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}
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json_object_foreach_member(content_root, process_event, priv);
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MATRIX_EVENT_BASE_CLASS(matrix_event_receipt_parent_class)->from_json(matrix_event_base, json_data, &inner_error);
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if (inner_error != NULL) {
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g_propagate_error(error, inner_error);
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}
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}
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static void
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matrix_event_receipt_real_to_json(MatrixEventBase *matrix_event_base, JsonNode *json_data, GError **error)
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{
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MatrixEventReceiptPrivate *priv;
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JsonObject *root;
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JsonObject *content_root;
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JsonNode *content_node;
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GHashTableIter iter;
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gpointer gh_key;
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gpointer gh_value;
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gint i = 0;
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GError *inner_error = NULL;
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g_return_if_fail(json_data != NULL);
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priv = matrix_event_receipt_get_instance_private(MATRIX_EVENT_RECEIPT(matrix_event_base));
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if (priv->_room_id == NULL) {
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g_set_error(error, MATRIX_ERROR, MATRIX_ERROR_INCOMPLETE,
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"Won't generate a m.receipt without room_id");
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return;
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}
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root = json_node_get_object(json_data);
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content_node = json_object_get_member(root, "content");
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content_root = json_node_get_object(content_node);
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g_hash_table_iter_init(&iter, priv->_receipt_data);
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while (g_hash_table_iter_next(&iter, &gh_key, &gh_value)) {
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ReceiptData *key = gh_key;
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gulong value = *(gulong *)gh_value;
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JsonObject *event_object;
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JsonObject *type_object;
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JsonObject *user_object;
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JsonNode *node;
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if (key->event_id == NULL) {
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g_set_error(error, MATRIX_ERROR, MATRIX_ERROR_INCOMPLETE,
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"Won't generate a m.receipt event with an empty event ID");
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return;
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}
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if (key->typ == NULL) {
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g_set_error(error, MATRIX_ERROR, MATRIX_ERROR_INCOMPLETE,
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"Won't generate a m.receipt event with an empty receipt type");
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return;
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}
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if (key->user == NULL) {
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g_set_error(error, MATRIX_ERROR, MATRIX_ERROR_INCOMPLETE,
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"Won't generate a m.receipt event with an empty user ID");
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return;
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}
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i++;
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if ((node = json_object_get_member(content_root, key->event_id)) == NULL) {
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event_object = json_object_new();
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node = json_node_new(JSON_TYPE_OBJECT);
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json_node_set_object(node, event_object);
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json_object_set_member(content_root, key->event_id, node);
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} else {
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event_object = json_node_get_object(node);
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}
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if ((node = json_object_get_member(event_object, key->typ)) == NULL) {
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type_object = json_object_new();
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node = json_node_new(JSON_TYPE_OBJECT);
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json_node_set_object(node, type_object);
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json_object_set_member(event_object, key->typ, node);
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} else {
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type_object = json_node_get_object(node);
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}
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if ((node = json_object_get_member(type_object, key->user)) == NULL) {
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user_object = json_object_new();
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node = json_node_new(JSON_TYPE_OBJECT);
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json_node_set_object(node, user_object);
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json_object_set_member(type_object, key->user, node);
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} else {
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user_object = json_node_get_object(node);
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}
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json_object_set_int_member(user_object, "ts", value);
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}
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if (i == 0) {
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g_set_error(error, MATRIX_ERROR, MATRIX_ERROR_INCOMPLETE,
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"Won't generate a m.receipt event with no receipts");
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return;
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}
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json_object_set_string_member(root, "room_id", priv->_room_id);
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MATRIX_EVENT_BASE_CLASS(matrix_event_receipt_parent_class)->to_json(matrix_event_base, json_data, &inner_error);
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if (inner_error != NULL) {
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g_propagate_error(error, inner_error);
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}
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}
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/**
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* matrix_event_receipt_new:
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*
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* Create a new #MatrixEventReceipt object.
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*
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* Returns: (transfer full): a new #MatrixEventReceipt object
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*/
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MatrixEventReceipt *
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matrix_event_receipt_new(void)
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{
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return (MatrixEventReceipt *)matrix_event_base_construct(MATRIX_EVENT_TYPE_RECEIPT);
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}
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/**
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* matrix_event_receipt_get_room_id:
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* @event: a #MatrixEventReceipt
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*
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* Get the room ID @event belongs to.
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*
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* The returned value is owned by @event and should not be freed.
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*
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* Returns: (transfer none) (nullable): a room ID
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*/
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const gchar *
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matrix_event_receipt_get_room_id(MatrixEventReceipt *matrix_event_receipt)
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{
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MatrixEventReceiptPrivate *priv;
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g_return_val_if_fail(matrix_event_receipt != NULL, NULL);
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priv = matrix_event_receipt_get_instance_private(matrix_event_receipt);
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return priv->_room_id;
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}
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/**
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* matrix_event_receipt_set_room_id:
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* @event: a #MatrixEventReceipt
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* @room_id: (transfer none) (nullable): a room ID
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*
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* Set the room ID for @event.
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*/
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void
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matrix_event_receipt_set_room_id(MatrixEventReceipt *matrix_event_receipt, const gchar *room_id)
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{
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MatrixEventReceiptPrivate *priv;
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g_return_if_fail(matrix_event_receipt != NULL);
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priv = matrix_event_receipt_get_instance_private(matrix_event_receipt);
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if (g_strcmp0(room_id, priv->_room_id) != 0) {
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g_free(priv->_room_id);
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priv->_room_id = g_strdup(room_id);
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g_object_notify_by_pspec((GObject *)matrix_event_receipt, matrix_event_receipt_properties[PROP_ROOM_ID]);
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}
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}
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static void
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matrix_event_receipt_finalize(GObject *gobject)
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{
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MatrixEventReceiptPrivate *priv = matrix_event_receipt_get_instance_private(MATRIX_EVENT_RECEIPT(gobject));
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g_free(priv->_room_id);
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g_hash_table_unref(priv->_receipt_data);
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G_OBJECT_CLASS(matrix_event_receipt_parent_class)->finalize(gobject);
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}
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static void
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matrix_event_receipt_get_property(GObject *gobject, guint property_id, GValue *value, GParamSpec *pspec)
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{
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MatrixEventReceipt *matrix_event_receipt = MATRIX_EVENT_RECEIPT(gobject);
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switch (property_id) {
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case PROP_ROOM_ID:
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g_value_set_string(value, matrix_event_receipt_get_room_id(matrix_event_receipt));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID(gobject, property_id, pspec);
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break;
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}
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}
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static void
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matrix_event_receipt_set_property(GObject *gobject, guint property_id, const GValue *value, GParamSpec *pspec)
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{
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MatrixEventReceipt *matrix_event_receipt = MATRIX_EVENT_RECEIPT(gobject);
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switch (property_id) {
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case PROP_ROOM_ID:
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matrix_event_receipt_set_room_id(matrix_event_receipt, g_value_get_string(value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID(gobject, property_id, pspec);
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break;
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}
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}
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static void
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matrix_event_receipt_class_init(MatrixEventReceiptClass *klass)
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{
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((MatrixEventBaseClass *)klass)->from_json = matrix_event_receipt_real_from_json;
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((MatrixEventBaseClass *)klass)->to_json = matrix_event_receipt_real_to_json;
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G_OBJECT_CLASS(klass)->get_property = matrix_event_receipt_get_property;
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G_OBJECT_CLASS(klass)->set_property = matrix_event_receipt_set_property;
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G_OBJECT_CLASS(klass)->finalize = matrix_event_receipt_finalize;
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/**
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* MatrixEventReceipt:room-id:
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*
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* The room ID.
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*/
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matrix_event_receipt_properties[PROP_ROOM_ID] = g_param_spec_string(
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"room-id", "room-id", "room-id",
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NULL,
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G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE);
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g_object_class_install_property(G_OBJECT_CLASS(klass), PROP_ROOM_ID, matrix_event_receipt_properties[PROP_ROOM_ID]);
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}
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static void
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matrix_event_receipt_init(MatrixEventReceipt *matrix_event_receipt)
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{
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MatrixEventReceiptPrivate *priv;
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priv = matrix_event_receipt_get_instance_private(matrix_event_receipt);
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priv->_room_id = NULL;
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priv->_receipt_data = NULL;
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}
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