39 lines
987 B
Rust
39 lines
987 B
Rust
use super::{Command, Execution, ExecutionResult};
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use crate::context::Context;
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use crate::error::BotError;
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use crate::help::{parse_help_topic, HelpTopic};
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use async_trait::async_trait;
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use std::convert::TryFrom;
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pub struct HelpCommand(pub Option<HelpTopic>);
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impl TryFrom<String> for HelpCommand {
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type Error = BotError;
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fn try_from(input: String) -> Result<Self, Self::Error> {
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let topic = parse_help_topic(&input);
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Ok(HelpCommand(topic))
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}
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}
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#[async_trait]
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impl Command for HelpCommand {
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fn name(&self) -> &'static str {
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"help information"
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}
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fn is_secure(&self) -> bool {
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false
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}
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async fn execute(&self, _ctx: &Context<'_>) -> ExecutionResult {
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let help = match &self.0 {
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Some(topic) => topic.message(),
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_ => "There is no help for this topic",
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};
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let html = format!("<strong>Help:</strong> {}", help.replace("\n", "<br/>"));
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Execution::success(html)
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}
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}
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