From 2131d5dbd103e7be43928780287da4673a1493ac Mon Sep 17 00:00:00 2001
From: RileyChampion <rchamp2u@gmail.com>
Date: Fri, 27 Dec 2024 01:53:01 -0700
Subject: [PATCH] Add chrono dependency, list of events and add a change to
 initialize tera priort to AppState to register filters for templating

---
 Cargo.toml                                    |  2 +-
 src/app/mod.rs                                | 57 +++++++++++++++++--
 src/utils/db.rs                               | 15 +++++
 templates/event-list.tera.html                | 35 ++++++++++++
 ...event-update.tera.html => event.tera.html} |  0
 5 files changed, 104 insertions(+), 5 deletions(-)
 create mode 100644 templates/event-list.tera.html
 rename templates/{event-update.tera.html => event.tera.html} (100%)

diff --git a/Cargo.toml b/Cargo.toml
index 2edaac2..bad8f66 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,7 +23,7 @@ futures = "0.3"
 serde = { version = "1", features = ["derive"] }
 toml = "0.8"
 rand = "0.8"
-
+chrono = "0.4"
 
 # Add a little optimization to debug builds
 [profile.dev]
diff --git a/src/app/mod.rs b/src/app/mod.rs
index a364cef..97ff528 100644
--- a/src/app/mod.rs
+++ b/src/app/mod.rs
@@ -1,7 +1,9 @@
-use std::{sync::Arc, time::Duration};
+use std::{collections::HashMap, sync::Arc, time::Duration};
 
 use crate::utils::{config::*, db::Db, email::Email};
-use tera::Tera;
+use chrono::{DateTime, Local, NaiveDateTime, Utc};
+use serde::Deserialize;
+use tera::{Tera, Value};
 
 use anyhow::Result;
 use axum::{
@@ -25,10 +27,33 @@ struct AppState {
     mail: Email,
 }
 
+fn format_datetime(value: &Value, args: &HashMap<String, Value>) -> tera::Result<Value> {
+    // Extract the input string from the value
+    let input = value.as_str().ok_or_else(|| tera::Error::msg("Value must be a string"))?;
+
+    // Parse the input string as a NaiveDateTime
+    let naive_datetime = NaiveDateTime::parse_from_str(input, "%Y-%m-%dT%H:%M")
+        .map_err(|_| tera::Error::msg("Failed to parse date"))?;
+
+    // Convert NaiveDateTime to DateTime<Utc>
+    let datetime: DateTime<Utc> = DateTime::from_naive_utc_and_offset(naive_datetime, Utc);
+
+    // Check for a custom format in arguments, or use a default
+    let format = args.get("format").and_then(Value::as_str).unwrap_or("%m.%d.%Y");
+
+    // Format the date-time
+    let formatted = datetime.format(format).to_string();
+    Ok(Value::String(formatted))
+}
+
 pub async fn build(config: Config) -> Result<Router> {
+    let mut tera_templates = Tera::new("templates/*")?;
+    // Register fiters to use while templating
+    tera_templates.register_filter("format_datetime", format_datetime);
+
     let state = AppState {
         config: config.clone(),
-        templates: Tera::new("templates/*")?,
+        templates: tera_templates,
         db: Db::connect(&config.app.db).await?,
         mail: Email::connect(config.email).await?,
     };
@@ -41,6 +66,7 @@ pub async fn build(config: Config) -> Result<Router> {
         .route("/register", post(register_form))
         .route("/event/create", get(event_create))
         .route("/event/create", post(create_event_form))
+        .route("/events", get(event_list))
         .route("/event/:event_id", get(event_update))
         .route("/event/:event_id/update", post(update_event_form))
         .route("/event/:event_id/delete", post(deleting_event))
@@ -158,6 +184,29 @@ async fn register_form(
     Ok(headers.into_response())
 }
 
+#[derive(Deserialize)]
+struct EventsParam {
+    #[serde(default = "default_to_false")]
+    past: bool,
+}
+fn default_to_false() -> bool {
+    false
+}
+async fn event_list(
+    State(state): State<Arc<AppState>>,
+    Query(param): Query<EventsParam>,
+) -> AppResult<Response> {
+    let mut ctx = tera::Context::new();
+
+    let events = state
+        .db
+        .get_all_events(Local::now().format("fmt").to_string(), param.past)
+        .await?;
+    ctx.insert("events", &events);
+    let html = state.templates.render("event-list.tera.html", &ctx).unwrap();
+    Ok(Html(html).into_response())
+}
+
 async fn event_create(State(state): State<Arc<AppState>>) -> AppResult<Response> {
     let ctx = tera::Context::new();
     let html = state.templates.render("event-create.tera.html", &ctx).unwrap();
@@ -192,7 +241,7 @@ async fn event_update(
     };
     ctx.insert("event", &event);
 
-    let html = state.templates.render("event-update.tera.html", &ctx).unwrap();
+    let html = state.templates.render("event.tera.html", &ctx).unwrap();
     Ok(Html(html).into_response())
 }
 
diff --git a/src/utils/db.rs b/src/utils/db.rs
index 2a8c1dc..9f004a7 100644
--- a/src/utils/db.rs
+++ b/src/utils/db.rs
@@ -178,6 +178,21 @@ impl Db {
         .await?;
         Ok(event)
     }
+    // Get all Events
+    pub async fn get_all_events(&self, date: String, past: bool) -> Result<Vec<Event>, Error> {
+        let events = if !past {
+            sqlx::query_as::<_, Event>("SELECT e.* FROM events e WHERE start_date >= ?")
+                .bind(date)
+                .fetch_all(&self.pool)
+                .await?
+        } else {
+            sqlx::query_as::<_, Event>("SELECT e.* FROM events e WHERE start_date < ?")
+                .bind(date)
+                .fetch_all(&self.pool)
+                .await?
+        };
+        Ok(events)
+    }
     // Create Event
     pub async fn create_event(
         &self,
diff --git a/templates/event-list.tera.html b/templates/event-list.tera.html
new file mode 100644
index 0000000..a1982e5
--- /dev/null
+++ b/templates/event-list.tera.html
@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<html lang="en">
+    <head>
+        <meta charset="UTF-8">
+        <meta name="viewport" content="width=device-width, initial-scale=1.0">
+        <title>WLSD</title>
+    </head>
+    <body>
+        <style>
+            body {
+                background-color: #000;
+                color: #fff;
+                font-family: Arial, sans-serif;
+                margin: 0;
+                padding: 0;
+            }
+            .event-card a {
+                padding: 5px 10px;
+                text-decoration: none;
+                color: inherit;
+                font-size: 18px;
+            }
+            .event-card a:hover {
+                color: #a7a5a1;
+                /* border-color: #a7a5a1; */
+            }
+        </style>
+        <h1>Upcoming Events:</h1>
+        {% for event in events %}
+        <div key="event-{{event.id}}" class="event-card">
+            <a href="/event/{{event.id}}">{{event.start_date | format_datetime(format="%d.%m.%Y")}} | {{ event.title }}</a>
+        </div>
+        {% endfor %}
+    </body>
+</html>
\ No newline at end of file
diff --git a/templates/event-update.tera.html b/templates/event.tera.html
similarity index 100%
rename from templates/event-update.tera.html
rename to templates/event.tera.html