Integration with Presense.

src/graphql/models.rs

@@ -47,3 +47,14 @@ pub struct Member {
     #[serde(default)]
     pub streak: Vec<Streak>, // Note that Root will NOT have multiple Streak elements but it may be an empty list which is why we use a vector here
 }
+
+#[derive(Debug, Deserialize, Clone)]
+pub struct AttendanceRecord {
+    #[serde(rename = "memberId")]
+    pub name: String,
+    pub year: i32,
+    #[serde(rename = "isPresent")]
+    pub is_present: bool,
+    #[serde(rename = "timeIn")]
+    pub time_in: Option<String>,
+}

src/graphql/queries.rs

@@ -16,9 +16,11 @@ You should have received a copy of the GNU General Public License
 along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 use anyhow::{anyhow, Context};
+use chrono::Local;
+use serde_json::Value;
 use tracing::debug;
 
-use crate::graphql::models::{Member, Streak};
+use crate::graphql::models::{AttendanceRecord, Member, Streak};
 
 use super::models::StreakWithMemberId;
 
@@ -214,6 +216,58 @@ pub async fn reset_streak(member: &mut Member) -> anyhow::Result<()> {
     Ok(())
 }
 
+pub async fn fetch_attendance() -> anyhow::Result<Vec<AttendanceRecord>> {
+    let request_url =
+        std::env::var("ROOT_URL").context("ROOT_URL environment variable not found")?;
+
+    debug!("Fetching attendance data from {}", request_url);
+
+    let client = reqwest::Client::new();
+    let today = Local::now().format("%Y-%m-%d").to_string();
+    let query = format!(
+        r#"
+        query {{
+            attendanceByDate(date: "{}") {{
+                name,
+                year,
+                isPresent,
+                timeIn,
+            }}
+        }}"#,
+        today
+    );
+
+    let response = client
+        .post(&request_url)
+        .json(&serde_json::json!({ "query": query }))
+        .send()
+        .await
+        .context("Failed to send GraphQL request")?;
+    debug!("Response status: {:?}", response.status());
+
+    let json: Value = response
+        .json()
+        .await
+        .context("Failed to parse response as JSON")?;
+
+    let attendance_array = json["data"]["attendanceByDate"]
+        .as_array()
+        .context("Missing or invalid 'data.attendanceByDate' array in response")?;
+
+    let attendance: Vec<AttendanceRecord> = attendance_array
+        .iter()
+        .map(|entry| {
+            serde_json::from_value(entry.clone()).context("Failed to parse attendance record")
+        })
+        .collect::<anyhow::Result<Vec<_>>>()?;
+
+    debug!(
+        "Successfully fetched {} attendance records",
+        attendance.len()
+    );
+    Ok(attendance)
+}
+
 pub async fn fetch_streaks() -> anyhow::Result<Vec<StreakWithMemberId>> {
     let request_url = std::env::var("ROOT_URL").context("ROOT_URL not found in ENV")?;
 

src/ids.rs

@@ -33,3 +33,4 @@ pub const GROUP_TWO_CHANNEL_ID: u64 = 1225098298935738489;
 pub const GROUP_THREE_CHANNEL_ID: u64 = 1225098353378070710;
 pub const GROUP_FOUR_CHANNEL_ID: u64 = 1225098407216156712;
 pub const STATUS_UPDATE_CHANNEL_ID: u64 = 764575524127244318;
+pub const THE_LAB_CHANNEL_ID: u64 = 1208438766893670451;

src/tasks/lab_attendance.rs

@@ -0,0 +1,230 @@
+/*
+amFOSS Daemon: A discord bot for the amFOSS Discord server.
+Copyright (C) 2024 amFOSS
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+use super::Task;
+use anyhow::Context as _;
+use chrono::{DateTime, Datelike, Local, NaiveTime, ParseError, TimeZone, Timelike, Utc};
+use serenity::all::{
+    ChannelId, Colour, Context as SerenityContext, CreateEmbed, CreateEmbedAuthor, CreateMessage,
+};
+use serenity::async_trait;
+use std::collections::HashMap;
+use tracing::{debug, trace};
+
+use crate::{
+    graphql::{models::AttendanceRecord, queries::fetch_attendance},
+    ids::THE_LAB_CHANNEL_ID,
+    utils::time::{get_five_forty_five_pm_timestamp, time_until},
+};
+
+const TITLE_URL: &str = "https://www.amfoss.in/";
+const AUTHOR_URL: &str = "https://github.com/amfoss/amd";
+
+pub struct PresenseReport;
+
+#[async_trait]
+impl Task for PresenseReport {
+    fn name(&self) -> &str {
+        "Lab Attendance Check"
+    }
+
+    fn run_in(&self) -> tokio::time::Duration {
+        time_until(18, 00)
+    }
+
+    async fn run(&self, ctx: SerenityContext) -> anyhow::Result<()> {
+        check_lab_attendance(ctx).await
+    }
+}
+
+pub async fn check_lab_attendance(ctx: SerenityContext) -> anyhow::Result<()> {
+    trace!("Starting lab attendance check");
+    let attendance = fetch_attendance()
+        .await
+        .context("Failed to fetch attendance from Root")?;
+
+    let time = Local::now().with_timezone(&chrono_tz::Asia::Kolkata);
+    let threshold_time = get_five_forty_five_pm_timestamp(time);
+
+    let mut absent_list = Vec::new();
+    let mut late_list = Vec::new();
+
+    for record in &attendance {
+        debug!("Checking attendance for member: {}", record.name);
+        if !record.is_present || record.time_in.is_none() {
+            absent_list.push(record.clone());
+            debug!("Member {} marked as absent", record.name);
+        } else if let Some(time_str) = &record.time_in {
+            if let Ok(time) = parse_time(time_str) {
+                if time > threshold_time {
+                    late_list.push(record.clone());
+                    debug!("Member {} marked as late", record.name);
+                }
+            }
+        }
+    }
+
+    if absent_list.len() == attendance.len() {
+        send_lab_closed_message(ctx).await?;
+    } else {
+        send_attendance_report(ctx, absent_list, late_list, attendance.len()).await?;
+    }
+
+    trace!("Completed lab attendance check");
+    Ok(())
+}
+
+async fn send_lab_closed_message(ctx: SerenityContext) -> anyhow::Result<()> {
+    let today_date = Utc::now().format("%B %d, %Y").to_string();
+
+    let bot_user = ctx.http.get_current_user().await?;
+    let bot_avatar_url = bot_user
+        .avatar_url()
+        .unwrap_or_else(|| bot_user.default_avatar_url());
+
+    let embed = CreateEmbed::new()
+        .title(format!("Presense Report - {}", today_date))
+        .url(TITLE_URL)
+        .author(
+            CreateEmbedAuthor::new("amD")
+                .url(AUTHOR_URL)
+                .icon_url(bot_avatar_url),
+        )
+        .color(Colour::RED)
+        .description("Uh-oh, seems like the lab is closed today! 🏖️ Everyone is absent!")
+        .timestamp(Utc::now());
+
+    ChannelId::new(THE_LAB_CHANNEL_ID)
+        .send_message(&ctx.http, CreateMessage::new().embed(embed))
+        .await
+        .context("Failed to send lab closed message")?;
+
+    Ok(())
+}
+
+async fn send_attendance_report(
+    ctx: SerenityContext,
+    absent_list: Vec<AttendanceRecord>,
+    late_list: Vec<AttendanceRecord>,
+    total_count: usize,
+) -> anyhow::Result<()> {
+    let today_date = Utc::now().format("%B %d, %Y").to_string();
+
+    let present = total_count - absent_list.len();
+    let attendance_percentage = if total_count > 0 {
+        (present as f32 / total_count as f32) * 100.0
+    } else {
+        0.0
+    };
+
+    let bot_user = ctx.http.get_current_user().await?;
+    let bot_avatar_url = bot_user
+        .avatar_url()
+        .unwrap_or_else(|| bot_user.default_avatar_url());
+
+    let embed_color = if attendance_percentage > 75.0 {
+        Colour::DARK_GREEN
+    } else if attendance_percentage > 50.0 {
+        Colour::GOLD
+    } else {
+        Colour::RED
+    };
+
+    let mut description = format!(
+        "# Stats\n- Present: {} ({}%)\n- Absent: {}\n- Late: {}\n\n",
+        present,
+        attendance_percentage.round() as i32,
+        absent_list.len(),
+        late_list.len()
+    );
+
+    description.push_str(&format_attendance_list("Absent", &absent_list));
+    description.push_str(&format_attendance_list("Late", &late_list));
+
+    let embed = CreateEmbed::new()
+        .title(format!("Presense Report - {}", today_date))
+        .url(TITLE_URL)
+        .author(
+            CreateEmbedAuthor::new("amD")
+                .url(AUTHOR_URL)
+                .icon_url(bot_avatar_url),
+        )
+        .color(embed_color)
+        .description(description)
+        .timestamp(Utc::now());
+
+    ChannelId::new(THE_LAB_CHANNEL_ID)
+        .send_message(&ctx.http, CreateMessage::new().embed(embed))
+        .await
+        .context("Failed to send attendance report")?;
+
+    Ok(())
+}
+
+fn format_attendance_list(title: &str, list: &[AttendanceRecord]) -> String {
+    if list.is_empty() {
+        return format!(
+            "**{}**\nNo one is {} today! 🎉\n\n",
+            title,
+            title.to_lowercase()
+        );
+    }
+
+    let mut by_year: HashMap<i32, Vec<&str>> = HashMap::new();
+    for record in list {
+        if record.year >= 1 && record.year <= 3 {
+            by_year.entry(record.year).or_default().push(&record.name);
+        }
+    }
+
+    let mut result = format!("# {}\n", title);
+
+    for year in 1..=3 {
+        if let Some(names) = by_year.get(&year) {
+            if !names.is_empty() {
+                result.push_str(&format!("### Year {}\n", year));
+
+                for name in names {
+                    result.push_str(&format!("- {}\n", name));
+                }
+                result.push('\n');
+            }
+        }
+    }
+
+    result
+}
+
+fn parse_time(time_str: &str) -> Result<DateTime<Local>, ParseError> {
+    let time_only = time_str.split('.').next().unwrap();
+    let naive_time = NaiveTime::parse_from_str(time_only, "%H:%M:%S")?;
+    let now = Local::now();
+
+    let result = Local
+        .with_ymd_and_hms(
+            now.year(),
+            now.month(),
+            now.day(),
+            naive_time.hour(),
+            naive_time.minute(),
+            naive_time.second(),
+        )
+        .single()
+        .expect("Valid datetime must be created");
+
+    Ok(result)
+}

src/tasks/mod.rs

@@ -15,10 +15,12 @@ GNU General Public License for more details.
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
+mod lab_attendance;
 mod status_update;
 
 use anyhow::Result;
 use async_trait::async_trait;
+use lab_attendance::PresenseReport;
 use serenity::client::Context;
 use status_update::StatusUpdateCheck;
 use tokio::time::Duration;
@@ -36,5 +38,5 @@ pub trait Task: Send + Sync {
 /// Analogous to [`crate::commands::get_commands`], every task that is defined
 /// must be included in the returned vector in order for it to be scheduled.
 pub fn get_tasks() -> Vec<Box<dyn Task>> {
-    vec![Box::new(StatusUpdateCheck)]
+    vec![Box::new(StatusUpdateCheck), Box::new(PresenseReport)]
 }

src/utils/time.rs

@@ -15,8 +15,9 @@ GNU General Public License for more details.
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
-use chrono::{Datelike, Local, TimeZone};
+use chrono::{DateTime, Datelike, Local, TimeZone};
 use chrono_tz::Asia::Kolkata;
+use chrono_tz::Tz;
 use tracing::debug;
 
 use std::time::Duration;
@@ -45,3 +46,15 @@ pub fn time_until(hour: u32, minute: u32) -> Duration {
     debug!("duration: {}", duration);
     Duration::from_secs(duration.num_seconds().max(0) as u64)
 }
+
+pub fn get_five_forty_five_pm_timestamp(now: DateTime<Tz>) -> DateTime<Local> {
+    let date =
+        chrono::NaiveDate::from_ymd_opt(now.year(), now.month(), now.day()).expect("Invalid date");
+    let time = chrono::NaiveTime::from_hms_opt(17, 45, 0).expect("Invalid time");
+    let naive_dt = date.and_time(time);
+
+    chrono::Local
+        .from_local_datetime(&naive_dt)
+        .single()
+        .expect("Chrono must work.")
+}