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4f70f89b78
Foundation for the discord library bindings. To be gradually exposed to the script.
556 lines
17 KiB
C++
556 lines
17 KiB
C++
/************************************************************************************
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*
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* D++, A Lightweight C++ library for Discord
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*
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* Copyright 2021 Craig Edwards and D++ contributors
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* (https://github.com/brainboxdotcc/DPP/graphs/contributors)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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************************************************************************************/
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#pragma once
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#include <dpp/export.h>
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#include <variant>
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#include <dpp/discord.h>
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#include <dpp/json_fwd.hpp>
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#include <dpp/message.h>
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namespace dpp {
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/**
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* @brief Represents command option types.
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* These are the possible parameter value types.
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*/
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enum command_option_type : uint8_t {
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/** A sub-command */
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co_sub_command = 1,
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/** A sub-command group */
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co_sub_command_group = 2,
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/** A string value */
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co_string = 3,
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/** An integer value */
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co_integer = 4,
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/** A boolean value */
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co_boolean = 5,
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/** A user snowflake id */
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co_user = 6,
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/** A channel snowflake id */
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co_channel = 7,
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/** A role snowflake id */
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co_role = 8
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};
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/**
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* @brief This type is a variant that can hold any of the potential
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* native data types represented by the enum above.
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* It is used in interactions.
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*/
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typedef std::variant<std::string, int32_t, bool, snowflake> command_value;
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/**
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* @brief This struct represents choices in a multiple choice option
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* for a command parameter.
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* It has both a string name, and a value parameter which is a variant,
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* meaning it can hold different potential types (see dpp::command_value)
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* that you can retrieve with std::get().
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*/
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struct CoreExport command_option_choice {
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std::string name; //!< Option name (1-32 chars)
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command_value value; //!< Option value
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/**
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* @brief Construct a new command option choice object
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*/
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command_option_choice() = default;
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/**
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* @brief Construct a new command option choice object
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*
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* @param n name to initialise with
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* @param v value to initialise with
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*/
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command_option_choice(const std::string &n, command_value v);
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};
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/**
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* @brief helper function to serialize a command_option_choice to json
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*
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* @see https://github.com/nlohmann/json#arbitrary-types-conversions
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*
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* @param j output json object
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* @param choice command_option_choice to be serialized
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*/
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void to_json(nlohmann::json& j, const command_option_choice& choice);
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/**
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* @brief Each command option is a command line parameter.
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* It can have a type (see dpp::command_option_type), a name,
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* a description, can be required or optional, and can have
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* zero or more choices (for multiple choice), plus options.
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* Adding options acts like sub-commands and can contain more
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* options.
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*/
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struct CoreExport command_option {
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command_option_type type; //!< Option type (what type of value is accepted)
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std::string name; //!< Option name (1-32 chars)
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std::string description; //!< Option description (1-100 chars)
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bool required; //!< True if this is a mandatory parameter
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std::vector<command_option_choice> choices; //!< List of choices for multiple choice command
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std::vector<command_option> options; //!< Sub-commands
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/**
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* @brief Construct a new command option object
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*/
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command_option() = default;
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/**
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* @brief Construct a new command option object
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*
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* @param t Option type
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* @param name Option name
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* @param description Option description
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* @param required True if this is a mandatory parameter
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*/
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command_option(command_option_type t, const std::string &name, const std::string &description, bool required = false);
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/**
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* @brief Add a multiple choice option
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*
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* @param o choice to add
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* @return command_option& returns a reference to self for chaining of calls
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*/
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command_option& add_choice(const command_option_choice &o);
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/**
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* @brief Add a sub-command option
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*
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* @param o Sub-command option to add
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* @return command_option& return a reference to self for chaining of calls
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*/
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command_option& add_option(const command_option &o);
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};
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/**
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* @brief helper function to serialize a command_option to json
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*
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* @see https://github.com/nlohmann/json#arbitrary-types-conversions
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*
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* @param j output json object
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* @param opt command_option to be serialized
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*/
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void to_json(nlohmann::json& j, const command_option& opt);
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/**
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* @brief Response types when responding to an interaction within on_interaction_create.
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* Do not use ir_acknowledge or ir::channel_message, as these are deprecated in the
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* Discord API spec. They are listed in this enum for completeness.
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*/
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enum interaction_response_type {
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ir_pong = 1, //!< ACK a Ping
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ir_acknowledge = 2, //!< DEPRECATED ACK a command without sending a message, eating the user's input
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ir_channel_message = 3, //!< DEPRECATED respond with a message, eating the user's input
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ir_channel_message_with_source = 4, //!< respond to an interaction with a message
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ir_deferred_channel_message_with_source = 5, //!< ACK an interaction and edit a response later, the user sees a loading state
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ir_deferred_update_message = 6, //!< for components, ACK an interaction and edit the original message later; the user does not see a loading state
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ir_update_message = 7 //!< for components, edit the message the component was attached to
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};
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/**
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* @brief A response to an interaction, used to reply to a command and initiate
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* a message, which can be hidden from others (ephemeral) or visible to all.
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*
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* The dpp::interaction_response object wraps a dpp::message object. To set the
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* message as 'ephemeral' (e.g. only the command issuer can see it) you should
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* add the dpp::m_ephemeral flag to the dpp::message::flags field. e.g.:
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*
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* `mymessage.flags |= dpp::m_ephemeral;`
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*/
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struct CoreExport interaction_response {
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/**
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* @brief Response type from dpp::interaction_response_type.
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* Should be one of ir_pong, ir_channel_message_with_source,
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* or ir_deferred_channel_message_with_source.
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*/
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interaction_response_type type;
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/**
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* @brief A message object. This pointer is always valid
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* while the containing interaction_response exists.
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*/
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struct message* msg;
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/**
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* @brief Construct a new interaction response object
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*/
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interaction_response();
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/**
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* @brief Construct a new interaction response object
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*
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* @param t Type of reply
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* @param m Message to reply with
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*/
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interaction_response(interaction_response_type t, const struct message& m);
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/**
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* @brief Fill object properties from JSON
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*
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* @param j JSON to fill from
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* @return interaction_response& Reference to self
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*/
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interaction_response& fill_from_json(nlohmann::json* j);
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/**
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* @brief Build a json string for this object
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*
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* @return std::string JSON string
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*/
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std::string build_json() const;
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/**
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* @brief Destroy the interaction response object
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*/
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~interaction_response();
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};
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/**
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* @brief Resolved snowflake ids to usernames.
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* TODO: Needs implementation. Not needed something that
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* functions as we have cache.
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*/
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struct CoreExport command_resolved {
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};
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/**
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* @brief Values in the command interaction.
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* These are the values specified by the user when actually issuing
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* the command on a channel or in DM.
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*/
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struct CoreExport command_data_option {
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std::string name; //!< the name of the parameter
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command_option_type type; //!< value of ApplicationCommandOptionType
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command_value value; //!< Optional: the value of the pair
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std::vector<command_data_option> options; //!< Optional: present if this option is a group or subcommand
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dpp::snowflake target_id; //!< Non-zero target ID for context menu actions
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};
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/**
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* @brief helper function to deserialize a command_data_option from json
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*
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* @see https://github.com/nlohmann/json#arbitrary-types-conversions
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*
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* @param j output json object
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* @param cdo command_data_option to be deserialized
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*/
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void from_json(const nlohmann::json& j, command_data_option& cdo);
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/** Types of interaction in the dpp::interaction class
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*/
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enum interaction_type {
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it_ping = 1, //!< ping
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it_application_command = 2, //!< application command (slash command)
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it_component_button = 3 //!< button click (component interaction)
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};
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/**
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* @brief Details of a command within an interaction.
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* This subobject represents the application command associated
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* with the interaction.
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*/
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struct CoreExport command_interaction {
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snowflake id; //!< the ID of the invoked command
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std::string name; //!< the name of the invoked command
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command_resolved resolved; //!< Optional: converted users + roles + channels
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std::vector<command_data_option> options; //!< Optional: the params + values from the user
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};
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/**
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* @brief helper function to deserialize a command_interaction from json
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*
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* @see https://github.com/nlohmann/json#arbitrary-types-conversions
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*
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* @param j output json object
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* @param ci command_interaction to be deserialized
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*/
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void from_json(const nlohmann::json& j, command_interaction& ci);
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enum component_type_t {
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cotype_button = 2,
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cotype_select = 3
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};
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/**
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* @brief A button click for a button component
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*/
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struct CoreExport component_interaction {
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uint8_t component_type;
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std::string custom_id;
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std::vector<std::string> values;
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};
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/**
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* @brief helper function to deserialize a component_interaction from json
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*
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* @see https://github.com/nlohmann/json#arbitrary-types-conversions
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*
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* @param j output json object
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* @param bi button_interaction to be deserialized
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*/
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void from_json(const nlohmann::json& j, component_interaction& bi);
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/**
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* @brief An interaction represents a user running a command and arrives
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* via the dpp::cluster::on_interaction_create event.
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*/
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class CoreExport interaction : public managed {
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public:
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snowflake application_id; //!< id of the application this interaction is for
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uint8_t type; //!< the type of interaction
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std::variant<command_interaction, component_interaction> data; //!< Optional: the command data payload
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snowflake guild_id; //!< Optional: the guild it was sent from
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snowflake channel_id; //!< Optional: the channel it was sent from
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snowflake message_id; //!< Originating message id
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guild_member member; //!< Optional: guild member data for the invoking user, including permissions
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user usr; //!< Optional: user object for the invoking user, if invoked in a DM
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std::string token; //!< a continuation token for responding to the interaction
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uint8_t version; //!< read-only property, always 1
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/**
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* @brief Fill object properties from JSON
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*
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* @param j JSON to fill from
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* @return interaction& Reference to self
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*/
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interaction& fill_from_json(nlohmann::json* j);
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/**
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* @brief Build a json string for this object
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*
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* @param with_id True if to include the ID in the JSON
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* @return std::string JSON string
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*/
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std::string build_json(bool with_id = false) const;
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};
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/**
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* @brief helper function to deserialize an interaction from json
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*
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* @see https://github.com/nlohmann/json#arbitrary-types-conversions
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*
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* @param j output json object
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* @param i interaction to be deserialized
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*/
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void from_json(const nlohmann::json& j, interaction& i);
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/**
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* @brief type of permission in the dpp::command_permission class
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*/
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enum command_permission_type {
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cpt_role = 1,
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cpt_user = 2,
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};
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/**
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* @brief Application command permissions allow you to enable or
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* disable commands for specific users or roles within a guild
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*/
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class CoreExport command_permission {
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public:
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snowflake id; //!< the ID of the role or uses
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command_permission_type type; //!< the type of permission
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bool permission; //!< true to allow, false, to disallow
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};
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/**
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* @brief helper function to serialize a command_permission to json
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*
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* @see https://github.com/nlohmann/json#arbitrary-types-conversions
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*
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* @param j output json object
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* @param cp command_permission to be serialized
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*/
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void to_json(nlohmann::json& j, const command_permission& cp);
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/**
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* @brief Returned when fetching the permissions for a command in a guild.
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*/
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class CoreExport guild_command_permissions {
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public:
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snowflake id; //!< the id of the command
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snowflake application_id; //!< the id of the application the command belongs to
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snowflake guild_id; //!< the id of the guild
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std::vector<command_permission> permissions; //!< the permissions for the command in the guild
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};
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/**
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* @brief helper function to serialize a guild_command_permissions to json
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*
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* @see https://github.com/nlohmann/json#arbitrary-types-conversions
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*
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* @param j output json object
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* @param gcp guild_command_permissions to be serialized
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*/
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void to_json(nlohmann::json& j, const guild_command_permissions& gcp);
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enum slashcommand_contextmenu_type {
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ctxm_none = 0,
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ctxm_chat_input = 1, //!< DEFAULT, these are the slash commands you're used to
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ctxm_user = 2, //!< Add command to user context menu
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ctxm_message = 3 //!< Add command to message context menu
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};
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/**
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* @brief Represents an application command, created by your bot
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* either globally, or on a guild.
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*/
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class CoreExport slashcommand : public managed {
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public:
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/**
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* @brief Application id (usually matches your bots id)
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*/
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snowflake application_id;
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/**
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* @brief Context menu type, defaults to none
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*
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*/
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slashcommand_contextmenu_type type;
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/**
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* @brief Command name (1-32 chars)
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*/
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std::string name;
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/**
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* @brief Command description (1-100 chars)
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*/
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std::string description;
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/**
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* @brief Command options (parameters)
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*/
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std::vector<command_option> options;
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/**
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* @brief whether the command is enabled by default when the app is added to a guild
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*/
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bool default_permission;
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/**
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* @brief command permissions
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*/
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std::vector<command_permission> permissions;
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/**
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* @brief Construct a new slashcommand object
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*/
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slashcommand();
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/**
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* @brief Destroy the slashcommand object
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*/
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~slashcommand();
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/**
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* @brief Add an option (parameter)
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*
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* @param o option (parameter) to add
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* @return slashcommand& reference to self for chaining of calls
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*/
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slashcommand& add_option(const command_option &o);
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/**
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* @brief Set the type of the slash command (only for context menu entries)
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*
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* @param _type Type of context menu entry this command represents
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* @return slashcommand& reference to self for chaining of calls
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*/
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slashcommand& set_type(slashcommand_contextmenu_type _type);
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/**
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* @brief Set the name of the command
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*
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* @param n name of command
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* @return slashcommand& reference to self for chaining of calls
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*/
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slashcommand& set_name(const std::string &n);
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/**
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* @brief Set the description of the command
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*
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* @param d description
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* @return slashcommand& reference to self for chaining of calls
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*/
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slashcommand& set_description(const std::string &d);
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/**
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* @brief Set the application id of the command
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*
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* @param i application id
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* @return slashcommand& reference to self for chaining of calls
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*/
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slashcommand& set_application_id(snowflake i);
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/**
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* @brief Adds a permission to the command
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*
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* @param p permission to add
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* @return slashcommand& reference to self for chaining of calls
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*/
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slashcommand& add_permission(const command_permission& p);
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/**
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* @brief Disable default permissions, command will be unusable unless
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* permissions are overriden with add_permission and
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* dpp::guild_command_edit_permissions
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*
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* @return slashcommand& reference to self for chaining of calls
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*/
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slashcommand& disable_default_permissions();
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/**
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* @brief Fill object properties from JSON
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*
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* @param j JSON to fill from
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* @return slashcommand& Reference to self
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*/
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slashcommand& fill_from_json(nlohmann::json* j);
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/**
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* @brief Build a json string for this object
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*
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* @param with_id True if to include the ID in the JSON
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* @return std::string JSON string
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*/
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std::string build_json(bool with_id = false) const;
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};
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/**
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* @brief helper function to serialize a slashcommand to json
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*
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* @see https://github.com/nlohmann/json#arbitrary-types-conversions
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*
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* @param j output json object
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* @param cmd slashcommand to be serialized
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*/
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void to_json(nlohmann::json& j, const slashcommand& cmd);
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/**
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* @brief A group of application slash commands
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*/
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typedef std::unordered_map<snowflake, slashcommand> slashcommand_map;
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};
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