196 lines · 6.5 KB · Rust
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use std::{    fmt::Write as _,    ops::DerefMut,    sync::{atomic::AtomicBool, Arc},}; use anyhow::{anyhow, Result};use assistant_slash_command::{    ArgumentCompletion, SlashCommand, SlashCommandOutput, SlashCommandOutputSection,    SlashCommandResult,};use feature_flags::FeatureFlag;use gpui::{AppContext, Task, WeakView, WindowContext};use language::{Anchor, CodeLabel, LspAdapterDelegate};use language_model::{LanguageModelRegistry, LanguageModelTool};use prompt_library::PromptBuilder;use schemars::JsonSchema;use semantic_index::SemanticDb;use serde::Deserialize;use ui::prelude::*;use workspace::Workspace; use super::{create_label_for_command, search_command::add_search_result_section}; pub struct ProjectSlashCommandFeatureFlag; impl FeatureFlag for ProjectSlashCommandFeatureFlag {    const NAME: &'static str = "project-slash-command";} pub struct ProjectSlashCommand {    prompt_builder: Arc<PromptBuilder>,} impl ProjectSlashCommand {    pub fn new(prompt_builder: Arc<PromptBuilder>) -> Self {        Self { prompt_builder }    }} impl SlashCommand for ProjectSlashCommand {    fn name(&self) -> String {        "project".into()    }     fn label(&self, cx: &AppContext) -> CodeLabel {        create_label_for_command("project", &[], cx)    }     fn description(&self) -> String {        "Generate a semantic search based on context".into()    }     fn icon(&self) -> IconName {        IconName::Folder    }     fn menu_text(&self) -> String {        self.description()    }     fn requires_argument(&self) -> bool {        false    }     fn complete_argument(        self: Arc<Self>,        _arguments: &[String],        _cancel: Arc<AtomicBool>,        _workspace: Option<WeakView<Workspace>>,        _cx: &mut WindowContext,    ) -> Task<Result<Vec<ArgumentCompletion>>> {        Task::ready(Ok(Vec::new()))    }     fn run(        self: Arc<Self>,        _arguments: &[String],        _context_slash_command_output_sections: &[SlashCommandOutputSection<Anchor>],        context_buffer: language::BufferSnapshot,        workspace: WeakView<Workspace>,        _delegate: Option<Arc<dyn LspAdapterDelegate>>,        cx: &mut WindowContext,    ) -> Task<SlashCommandResult> {        let model_registry = LanguageModelRegistry::read_global(cx);        let current_model = model_registry.active_model();        let prompt_builder = self.prompt_builder.clone();         let Some(workspace) = workspace.upgrade() else {            return Task::ready(Err(anyhow::anyhow!("workspace was dropped")));        };        let project = workspace.read(cx).project().clone();        let fs = project.read(cx).fs().clone();        let Some(project_index) =            cx.update_global(|index: &mut SemanticDb, cx| index.project_index(project, cx))        else {            return Task::ready(Err(anyhow::anyhow!("no project indexer")));        };         cx.spawn(|mut cx| async move {            let current_model = current_model.ok_or_else(|| anyhow!("no model selected"))?;             let prompt =                prompt_builder.generate_project_slash_command_prompt(context_buffer.text())?;             let search_queries = current_model                .use_tool::<SearchQueries>(                    language_model::LanguageModelRequest {                        messages: vec![language_model::LanguageModelRequestMessage {                            role: language_model::Role::User,                            content: vec![language_model::MessageContent::Text(prompt)],                            cache: false,                        }],                        tools: vec![],                        stop: vec![],                        temperature: None,                    },                    cx.deref_mut(),                )                .await?                .search_queries;             let results = project_index                .read_with(&cx, |project_index, cx| {                    project_index.search(search_queries.clone(), 25, cx)                })?                .await?;             let results = SemanticDb::load_results(results, &fs, &cx).await?;             cx.background_executor()                .spawn(async move {                    let mut output = "Project context:\n".to_string();                    let mut sections = Vec::new();                     for (ix, query) in search_queries.into_iter().enumerate() {                        let start_ix = output.len();                        writeln!(&mut output, "Results for {query}:").unwrap();                        let mut has_results = false;                        for result in &results {                            if result.query_index == ix {                                add_search_result_section(result, &mut output, &mut sections);                                has_results = true;                            }                        }                        if has_results {                            sections.push(SlashCommandOutputSection {                                range: start_ix..output.len(),                                icon: IconName::MagnifyingGlass,                                label: query.into(),                                metadata: None,                            });                            output.push('\n');                        } else {                            output.truncate(start_ix);                        }                    }                     sections.push(SlashCommandOutputSection {                        range: 0..output.len(),                        icon: IconName::Book,                        label: "Project context".into(),                        metadata: None,                    });                     Ok(SlashCommandOutput {                        text: output,                        sections,                        run_commands_in_text: true,                    }                    .to_event_stream())                })                .await        })    }} #[derive(JsonSchema, Deserialize)]struct SearchQueries {    /// An array of semantic search queries.    ///    /// These queries will be used to search the user's codebase.    /// The function can only accept 4 queries, otherwise it will error.    /// As such, it's important that you limit the length of the search_queries array to 5 queries or less.    search_queries: Vec<String>,} impl LanguageModelTool for SearchQueries {    fn name() -> String {        "search_queries".to_string()    }     fn description() -> String {        "Generate semantic search queries based on context".to_string()    }}