Add Empty Query Returning & Change ThemeSelector Keyword with ActionKeyword for Sys Plugin

[WayneFerdon]

1. Support returning all usable commands while query is empty.
   Should the Plugin.Sys returns all usable commands while the query is empty? #2040
2. ChangeQuery by ThemeSelector Action with ActionKeyword at the front as well

[coderabbitai]

📝 Walkthrough

Walkthrough

The Commands method in Main.cs was updated to accept a Query parameter. The command filtering logic now distinguishes between empty and non-empty queries, returning all commands unfiltered when the query is empty. The theme selector command's query string construction was also modified for greater flexibility.

Changes

File(s)	Change Summary
Plugins/Flow.Launcher.Plugin.Sys/Main.cs	Updated Commands method signature to accept Query; improved empty query handling and command filtering; adjusted theme selector query string construction.

Suggested labels

enhancement

Suggested reviewers

• jjw24

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Reviewing files that changed from the base of the PR and between a34b8f2 and 539a852.

📒 Files selected for processing (1)

• Plugins/Flow.Launcher.Plugin.Sys/Main.cs (3 hunks)

🚧 Files skipped from review as they are similar to previous changes (1)

• Plugins/Flow.Launcher.Plugin.Sys/Main.cs

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[coderabbitai]

Actionable comments posted: 1

🧹 Nitpick comments (1)

Plugins/Flow.Launcher.Plugin.Sys/Main.cs (1)

75-75: Simplify redundant string checks.

The condition uses both IsNullOrEmpty and IsNullOrWhiteSpace, but IsNullOrWhiteSpace already covers null, empty, and whitespace-only strings.

-var isEmptyQuery = string.IsNullOrEmpty(query.Search) || string.IsNullOrWhiteSpace(query.Search);
+var isEmptyQuery = string.IsNullOrWhiteSpace(query.Search);

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between fa6301b and a34b8f2.

📒 Files selected for processing (1)

• Plugins/Flow.Launcher.Plugin.Sys/Main.cs (3 hunks)

🧰 Additional context used

🧠 Learnings (1)

📓 Common learnings

Learnt from: Yusyuriv
PR: Flow-Launcher/Flow.Launcher#3118
File: Flow.Launcher/ViewModel/MainViewModel.cs:1404-1413
Timestamp: 2024-12-08T21:12:12.060Z
Learning: In the `MainViewModel` class, the `_lastQuery` field is initialized in the constructor and is never null.

🔇 Additional comments (3)

Plugins/Flow.Launcher.Plugin.Sys/Main.cs (3)

73-73: LGTM - Method call updated correctly.

The method call has been properly updated to pass the query parameter to match the new method signature.

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81-85: LGTM - Empty query handling implemented correctly.

The implementation correctly returns all commands unfiltered when the query is empty, which aligns with the PR objective of showing all available commands without typing any query text.

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197-197: LGTM - Method signature updated appropriately.

The method signature correctly accepts a Query parameter, enabling access to query information needed for the theme selector functionality.

[github-actions]

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[Jack251970]

It looks good to me. Thanks for your contribution!