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/* plugin-openai-llm-model.c
*
* Copyright 2026 Christian Hergert
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of the
* License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include "config.h"
#include "foundry-json-input-stream-private.h"
#include "foundry-json-output-stream-private.h"
#include "plugin-openai-llm-completion.h"
#include "plugin-openai-llm-conversation.h"
#include "plugin-openai-llm-model.h"
struct _PluginOpenaiLlmModel
{
FoundryLlmModel parent_instance;
PluginOpenaiClient *client;
JsonNode *node;
};
G_DEFINE_FINAL_TYPE (PluginOpenaiLlmModel, plugin_openai_llm_model, FOUNDRY_TYPE_LLM_MODEL)
static char *
plugin_openai_llm_model_dup_name (FoundryLlmModel *model)
{
PluginOpenaiLlmModel *self = (PluginOpenaiLlmModel *)model;
JsonObject *obj;
JsonNode *node;
g_assert (PLUGIN_IS_OPENAI_LLM_MODEL (self));
if ((obj = json_node_get_object (self->node)) &&
json_object_has_member (obj, "id") &&
(node = json_object_get_member (obj, "id")) &&
json_node_get_value_type (node) == G_TYPE_STRING)
return g_strconcat ("openai:", json_node_get_string (node), NULL);
return NULL;
}
static char *
plugin_openai_llm_model_dup_digest (FoundryLlmModel *model)
{
PluginOpenaiLlmModel *self = (PluginOpenaiLlmModel *)model;
JsonObject *obj;
JsonNode *node;
g_assert (PLUGIN_IS_OPENAI_LLM_MODEL (self));
if ((obj = json_node_get_object (self->node)) &&
json_object_has_member (obj, "id") &&
(node = json_object_get_member (obj, "id")) &&
json_node_get_value_type (node) == G_TYPE_STRING)
return g_strdup (json_node_get_string (node));
return NULL;
}
static gboolean
plugin_openai_llm_model_is_metered (FoundryLlmModel *model)
{
return TRUE;
}
static DexFuture *
plugin_openai_llm_model_complete (FoundryLlmModel *model,
const char * const *roles,
const char * const *messages)
{
PluginOpenaiLlmModel *self = (PluginOpenaiLlmModel *)model;
g_autoptr(FoundryJsonInputStream) json_input = NULL;
g_autoptr(GInputStream) input = NULL;
g_autoptr(JsonObject) params_obj = NULL;
g_autoptr(JsonArray) messages_ar = NULL;
g_autoptr(JsonNode) params_node = NULL;
g_autoptr(JsonNode) messages_node = NULL;
g_autoptr(GError) error = NULL;
g_autofree char *name = NULL;
g_assert (PLUGIN_IS_OPENAI_LLM_MODEL (self));
g_assert (roles != NULL);
g_assert (messages != NULL);
params_node = json_node_new (JSON_NODE_OBJECT);
params_obj = json_object_new ();
json_node_set_object (params_node, params_obj);
messages_node = json_node_new (JSON_NODE_ARRAY);
messages_ar = json_array_new ();
json_node_set_array (messages_node, messages_ar);
if ((name = plugin_openai_llm_model_dup_name (model)))
{
if (g_str_has_prefix (name, "openai:"))
json_object_set_string_member (params_obj, "model", name + strlen ("openai:"));
else
json_object_set_string_member (params_obj, "model", name);
}
for (guint i = 0; roles[i]; i++)
{
g_autoptr(JsonNode) message_node = NULL;
g_autoptr(JsonObject) message_obj = NULL;
message_node = json_node_new (JSON_NODE_OBJECT);
message_obj = json_object_new ();
json_node_set_object (message_node, message_obj);
json_object_set_string_member (message_obj, "role", roles[i]);
json_object_set_string_member (message_obj, "content", messages[i]);
json_array_add_element (messages_ar, g_steal_pointer (&message_node));
}
json_object_set_member (params_obj, "messages", g_steal_pointer (&messages_node));
json_object_set_boolean_member (params_obj, "stream", TRUE);
if (!(input = dex_await_object (plugin_openai_client_post (self->client, "chat/completions", params_node), &error)))
return dex_future_new_for_error (g_steal_pointer (&error));
json_input = foundry_json_input_stream_new (input, TRUE);
return dex_future_new_take_object (plugin_openai_llm_completion_new (json_input));
}
static DexFuture *
plugin_openai_llm_model_chat (FoundryLlmModel *model,
const char *system)
{
PluginOpenaiLlmModel *self = (PluginOpenaiLlmModel *)model;
g_autofree char *name = NULL;
g_assert (PLUGIN_IS_OPENAI_LLM_MODEL (self));
name = plugin_openai_llm_model_dup_name (model);
if (name && g_str_has_prefix (name, "openai:"))
name = g_strdup (name + strlen ("openai:"));
return dex_future_new_take_object (plugin_openai_llm_conversation_new (self->client, name, system));
}
static void
plugin_openai_llm_model_finalize (GObject *object)
{
PluginOpenaiLlmModel *self = (PluginOpenaiLlmModel *)object;
g_clear_object (&self->client);
g_clear_pointer (&self->node, json_node_unref);
G_OBJECT_CLASS (plugin_openai_llm_model_parent_class)->finalize (object);
}
static void
plugin_openai_llm_model_class_init (PluginOpenaiLlmModelClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
FoundryLlmModelClass *llm_model_class = FOUNDRY_LLM_MODEL_CLASS (klass);
object_class->finalize = plugin_openai_llm_model_finalize;
llm_model_class->dup_name = plugin_openai_llm_model_dup_name;
llm_model_class->dup_digest = plugin_openai_llm_model_dup_digest;
llm_model_class->is_metered = plugin_openai_llm_model_is_metered;
llm_model_class->chat = plugin_openai_llm_model_chat;
llm_model_class->complete = plugin_openai_llm_model_complete;
}
static void
plugin_openai_llm_model_init (PluginOpenaiLlmModel *self)
{
}
PluginOpenaiLlmModel *
plugin_openai_llm_model_new (FoundryContext *context,
PluginOpenaiClient *client,
JsonNode *node)
{
PluginOpenaiLlmModel *self;
g_return_val_if_fail (PLUGIN_IS_OPENAI_CLIENT (client), NULL);
g_return_val_if_fail (node != NULL, NULL);
g_return_val_if_fail (JSON_NODE_HOLDS_OBJECT (node), NULL);
self = g_object_new (PLUGIN_TYPE_OPENAI_LLM_MODEL,
"context", context,
NULL);
self->client = g_object_ref (client);
self->node = json_node_ref (node);
return g_steal_pointer (&self);
}
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