From 189ae3d9814ce55be2d0fac477ecbd773529969f Mon Sep 17 00:00:00 2001
From: Urgau <urgau@numericable.fr>
Date: Thu, 28 Mar 2024 22:25:48 +0100
Subject: [PATCH] Only mention people under very specific circumstances

---
 src/actions.rs              |  1 +
 src/github.rs               | 15 +++++++++++++++
 templates/_issues_rfcbot.tt |  2 +-
 3 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/src/actions.rs b/src/actions.rs
index c010deb7..5cdfe86f 100644
--- a/src/actions.rs
+++ b/src/actions.rs
@@ -74,6 +74,7 @@ pub struct FCPDetails {
     pub initiating_comment_html_url: String,
     pub initiating_comment_content: String,
     pub disposition: String,
+    pub should_mention: bool,
     pub pending_reviewers: Vec<FCPReviewerDetails>,
     pub concerns: Vec<FCPConcernDetails>,
 }
diff --git a/src/github.rs b/src/github.rs
index ce960d6b..274500bf 100644
--- a/src/github.rs
+++ b/src/github.rs
@@ -361,6 +361,8 @@ pub struct Comment {
     pub html_url: String,
     pub user: User,
     #[serde(alias = "submitted_at")] // for pull request reviews
+    pub created_at: chrono::DateTime<Utc>,
+    #[serde(alias = "submitted_at")] // for pull request reviews
     pub updated_at: chrono::DateTime<Utc>,
     #[serde(default, rename = "state")]
     pub pr_review_state: Option<PullRequestReviewState>,
@@ -1753,6 +1755,18 @@ impl<'q> IssuesQuery for Query<'q> {
                         .get_comment(&client, fk_initiating_comment.try_into()?)
                         .await?;
 
+                    // To avoid constant (and counter-productive) pings we will only ping when
+                    //  - we are 2 weeks into the FCP
+                    //  - or when there are no concerns and we are at least 4 weeks into the FCP.
+                    //
+                    // FIXME: This should get T-compiler approval before being enabled by default
+                    let should_mention = std::env::var("TRIAGEBOT_COMPILER_MENTION").is_ok() && {
+                        let now = chrono::offset::Utc::now();
+                        let time_diff = now - init_comment.created_at;
+                        time_diff.num_weeks() == 2
+                            || (time_diff.num_weeks() >= 4 && fcp.concerns.is_empty())
+                    };
+
                     Some(crate::actions::FCPDetails {
                         bot_tracking_comment_html_url,
                         bot_tracking_comment_content,
@@ -1764,6 +1778,7 @@ impl<'q> IssuesQuery for Query<'q> {
                             .as_deref()
                             .unwrap_or("<unknown>")
                             .to_string(),
+                        should_mention,
                         pending_reviewers: fcp
                             .reviews
                             .iter()
diff --git a/templates/_issues_rfcbot.tt b/templates/_issues_rfcbot.tt
index dce2d594..cdb117e4 100644
--- a/templates/_issues_rfcbot.tt
+++ b/templates/_issues_rfcbot.tt
@@ -4,7 +4,7 @@
 {%- for issue in issues %}
 {%- if issue.fcp_details is object %}
 {{indent}}- {{issue.fcp_details.disposition}}: [{{issue.title}} ({{issue.repo_name}}#{{issue.number}})]({{issue.fcp_details.bot_tracking_comment_html_url}})
-{{indent}}{{indent}}-{% for reviewer in issue.fcp_details.pending_reviewers %} @**|{{reviewer.zulip_id}}**{%else%} no pending checkboxs{% endfor %}
+{{indent}}{{indent}}-{% for reviewer in issue.fcp_details.pending_reviewers %} @{% if issue.fcp_details.should_mention %}{% else %}_{% endif %}**|{{reviewer.zulip_id}}**{%else%} no pending checkboxs{% endfor %}
 {{indent}}{{indent}}-{% for concern in issue.fcp_details.concerns %} [{{concern.name}} (by {{concern.reviewer_login}})]({{concern.concern_url}}){%else%} no pending concerns{% endfor -%}
 {% else %}
 {{indent}}- "{{issue.title}}" {{issue.repo_name}}#{{issue.number}}