story-kit: merge 328_refactor_split_commands_rs_into_individual_command_handler_modules

server/src/matrix/commands/show.rs

@@ -0,0 +1,202 @@
+//! Handler for the `show` command.
+
+use super::CommandContext;
+
+/// Display the full markdown text of a work item identified by its numeric ID.
+///
+/// Searches all pipeline stages in order and returns the raw file contents of
+/// the first matching story, bug, or spike.  Returns a friendly message when
+/// no match is found.
+pub(super) fn handle_show(ctx: &CommandContext) -> Option<String> {
+    let num_str = ctx.args.trim();
+    if num_str.is_empty() {
+        return Some(format!(
+            "Usage: `{} show <number>`\n\nDisplays the full text of a story, bug, or spike.",
+            ctx.bot_name
+        ));
+    }
+    if !num_str.chars().all(|c| c.is_ascii_digit()) {
+        return Some(format!(
+            "Invalid story number: `{num_str}`. Usage: `{} show <number>`",
+            ctx.bot_name
+        ));
+    }
+
+    let stages = [
+        "1_backlog",
+        "2_current",
+        "3_qa",
+        "4_merge",
+        "5_done",
+        "6_archived",
+    ];
+
+    for stage in &stages {
+        let dir = ctx
+            .project_root
+            .join(".story_kit")
+            .join("work")
+            .join(stage);
+        if !dir.exists() {
+            continue;
+        }
+        if let Ok(entries) = std::fs::read_dir(&dir) {
+            for entry in entries.flatten() {
+                let path = entry.path();
+                if path.extension().and_then(|e| e.to_str()) != Some("md") {
+                    continue;
+                }
+                if let Some(stem) = path.file_stem().and_then(|s| s.to_str()) {
+                    let file_num = stem
+                        .split('_')
+                        .next()
+                        .filter(|s| !s.is_empty() && s.chars().all(|c| c.is_ascii_digit()))
+                        .unwrap_or("");
+                    if file_num == num_str {
+                        return match std::fs::read_to_string(&path) {
+                            Ok(contents) => Some(contents),
+                            Err(e) => Some(format!("Failed to read story {num_str}: {e}")),
+                        };
+                    }
+                }
+            }
+        }
+    }
+
+    Some(format!(
+        "No story, bug, or spike with number **{num_str}** found."
+    ))
+}
+
+#[cfg(test)]
+mod tests {
+    use crate::agents::AgentPool;
+    use std::collections::HashSet;
+    use std::sync::{Arc, Mutex};
+
+    use super::super::{CommandDispatch, try_handle_command};
+
+    fn show_cmd_with_root(root: &std::path::Path, args: &str) -> Option<String> {
+        let agents = Arc::new(AgentPool::new_test(3000));
+        let ambient_rooms = Arc::new(Mutex::new(HashSet::new()));
+        let room_id = "!test:example.com".to_string();
+        let dispatch = CommandDispatch {
+            bot_name: "Timmy",
+            bot_user_id: "@timmy:homeserver.local",
+            project_root: root,
+            agents: &agents,
+            ambient_rooms: &ambient_rooms,
+            room_id: &room_id,
+            is_addressed: true,
+        };
+        try_handle_command(&dispatch, &format!("@timmy show {args}"))
+    }
+
+    fn write_story_file(root: &std::path::Path, stage: &str, filename: &str, content: &str) {
+        let dir = root.join(".story_kit/work").join(stage);
+        std::fs::create_dir_all(&dir).unwrap();
+        std::fs::write(dir.join(filename), content).unwrap();
+    }
+
+    #[test]
+    fn show_command_is_registered() {
+        use super::super::commands;
+        let found = commands().iter().any(|c| c.name == "show");
+        assert!(found, "show command must be in the registry");
+    }
+
+    #[test]
+    fn show_command_appears_in_help() {
+        let result = super::super::tests::try_cmd_addressed("Timmy", "@timmy:homeserver.local", "@timmy help");
+        let output = result.unwrap();
+        assert!(output.contains("show"), "help should list show command: {output}");
+    }
+
+    #[test]
+    fn show_command_no_args_returns_usage() {
+        let tmp = tempfile::TempDir::new().unwrap();
+        let output = show_cmd_with_root(tmp.path(), "").unwrap();
+        assert!(
+            output.contains("Usage"),
+            "no args should show usage hint: {output}"
+        );
+    }
+
+    #[test]
+    fn show_command_non_numeric_args_returns_error() {
+        let tmp = tempfile::TempDir::new().unwrap();
+        let output = show_cmd_with_root(tmp.path(), "abc").unwrap();
+        assert!(
+            output.contains("Invalid"),
+            "non-numeric arg should return error message: {output}"
+        );
+    }
+
+    #[test]
+    fn show_command_not_found_returns_friendly_message() {
+        let tmp = tempfile::TempDir::new().unwrap();
+        let output = show_cmd_with_root(tmp.path(), "999").unwrap();
+        assert!(
+            output.contains("999"),
+            "not-found message should include the queried number: {output}"
+        );
+        assert!(
+            output.contains("found"),
+            "not-found message should say not found: {output}"
+        );
+    }
+
+    #[test]
+    fn show_command_finds_story_in_backlog() {
+        let tmp = tempfile::TempDir::new().unwrap();
+        write_story_file(
+            tmp.path(),
+            "1_backlog",
+            "305_story_show_command.md",
+            "---\nname: Show command\n---\n\n# Story 305\n\nFull story text here.",
+        );
+        let output = show_cmd_with_root(tmp.path(), "305").unwrap();
+        assert!(
+            output.contains("Full story text here."),
+            "show should return full story content: {output}"
+        );
+    }
+
+    #[test]
+    fn show_command_finds_story_in_current() {
+        let tmp = tempfile::TempDir::new().unwrap();
+        write_story_file(
+            tmp.path(),
+            "2_current",
+            "42_story_do_something.md",
+            "---\nname: Do something\n---\n\n# Story 42\n\nIn progress.",
+        );
+        let output = show_cmd_with_root(tmp.path(), "42").unwrap();
+        assert!(
+            output.contains("In progress."),
+            "show should return story from current stage: {output}"
+        );
+    }
+
+    #[test]
+    fn show_command_finds_bug() {
+        let tmp = tempfile::TempDir::new().unwrap();
+        write_story_file(
+            tmp.path(),
+            "1_backlog",
+            "7_bug_crash_on_login.md",
+            "---\nname: Crash on login\n---\n\n## Symptom\n\nCrashes.",
+        );
+        let output = show_cmd_with_root(tmp.path(), "7").unwrap();
+        assert!(
+            output.contains("Symptom"),
+            "show should return bug content: {output}"
+        );
+    }
+
+    #[test]
+    fn show_command_case_insensitive() {
+        let result = super::super::tests::try_cmd_addressed("Timmy", "@timmy:homeserver.local", "@timmy SHOW 1");
+        assert!(result.is_some(), "SHOW should match case-insensitively");
+    }
+}