feat: calculate dates for export events

web/src/endpoints/export/get_events.rs

@@ -1,6 +1,6 @@
 use actix_web::{web, Responder};
 use askama::Template;
-use chrono::{Datelike, NaiveDate, Utc};
+use chrono::{Datelike, Months, NaiveDate, Utc};
 use sqlx::PgPool;
 
 use crate::{
@@ -14,6 +14,10 @@ struct EventExportTemplate {
     user: User,
     areas: Option<Vec<Area>>,
     daterange: (NaiveDate, NaiveDate),
+    current_month: (NaiveDate, NaiveDate),
+    current_quarter: (NaiveDate, NaiveDate),
+    next_month: (NaiveDate, NaiveDate),
+    next_quarter: (NaiveDate, NaiveDate),
 }
 
 #[actix_web::get("/export/events")]
@@ -32,17 +36,66 @@ pub async fn get(
     };
 
     let today = Utc::now().date_naive();
-    let start = NaiveDate::from_ymd_opt(today.year(), today.month0() + 1, 1).unwrap();
-    let end = NaiveDate::from_ymd_opt(today.year(), today.month0() + 2, 1)
-        .unwrap()
-        .pred_opt()
-        .unwrap();
+    let today_plus_month = today.checked_add_months(Months::new(1)).unwrap();
+    let today_plus_three_month = today.checked_add_months(Months::new(3)).unwrap();
 
     let template = EventExportTemplate {
         user: user.into_inner(),
         areas,
-        daterange: (start, end),
+        daterange: (
+            first_day_of_month(&today).unwrap(),
+            last_day_of_month(&today).unwrap(),
+        ),
+        current_month: (
+            first_day_of_month(&today).unwrap(),
+            last_day_of_month(&today).unwrap(),
+        ),
+        next_month: (
+            first_day_of_month(&today_plus_month).unwrap(),
+            last_day_of_month(&today_plus_month).unwrap(),
+        ),
+        current_quarter: (
+            first_day_of_quarter(&today).unwrap(),
+            last_day_of_quarter(&today).unwrap(),
+        ),
+        next_quarter: (
+            first_day_of_quarter(&today_plus_three_month).unwrap(),
+            last_day_of_quarter(&today_plus_three_month).unwrap(),
+        ),
     };
 
     Ok(template.to_response()?)
 }
+
+fn first_day_of_month(date: &NaiveDate) -> Option<NaiveDate> {
+    NaiveDate::from_ymd_opt(date.year(), date.month0() + 1, 1)
+}
+
+fn last_day_of_month(date: &NaiveDate) -> Option<NaiveDate> {
+    let month0 = date.month0() + 1;
+    let year = if month0 > 11 {
+        date.year() + 1
+    } else {
+        date.year()
+    };
+
+    let month = (month0 % 12) + 1;
+
+    NaiveDate::from_ymd_opt(year, month, 1)?.pred_opt()
+}
+
+fn first_day_of_quarter(date: &NaiveDate) -> Option<NaiveDate> {
+    let start_month = (date.quarter() * 3) - 2;
+    NaiveDate::from_ymd_opt(date.year(), start_month, 1)
+}
+
+fn last_day_of_quarter(date: &NaiveDate) -> Option<NaiveDate> {
+    let quarter = date.quarter();
+    let (year, next_month) = if quarter == 4 {
+        (date.year() + 1, 1)
+    } else {
+        (date.year(), (quarter * 3) + 1)
+    };
+
+    NaiveDate::from_ymd_opt(year, next_month, 1)?.pred_opt()
+}

web/static/style.scss

@@ -44,6 +44,7 @@ $primary: $crimson,
 @forward "bulma/sass/helpers/flexbox";
 @forward "bulma/sass/helpers/color";
 @forward "bulma/sass/helpers/visibility";
+@forward "bulma/sass/helpers/other";
 
 // Import the themes so that all CSS variables have a value
 @forward "bulma/sass/themes";

web/templates/export/events.html

@@ -11,20 +11,28 @@
       <div class="field">
         <label class="label">Zeitraum Start</label>
         <div class="control">
-          <input class="input" type="date" name="start" required value="{{ daterange.0 }}" />
+          <input class="input" type="date" name="start" id="start" required value="{{ daterange.0 }}" />
         </div>
         <div class="tags help">
-          <span class="tag">aktueller Monat</span>
-          <span class="tag">nächster Monat</span>
-          <span class="tag">aktuelles Quartal</span>
-          <span class="tag">nächstes Quartal</span>
+          <span class="tag is-link is-light is-clickable"
+                _='on click set the value of #start to "{{ current_month.0 }}" then set the value of #end to "{{ current_month.1 }}"'>
+            aktueller Monat</span>
+          <span class="tag is-link is-light is-clickable"
+                _='on click set the value of #start to "{{ next_month.0 }}" then set the value of #end to "{{ next_month.1 }}"'>
+            nächster Monat</span>
+          <span class="tag is-link is-light is-clickable"
+                _='on click set the value of #start to "{{ current_quarter.0 }}" then set the value of #end to "{{ current_quarter.1 }}"'>
+            aktuelles Quartal</span>
+          <span class="tag is-link is-light is-clickable"
+                _='on click set the value of #start to "{{ next_quarter.0 }}" then set the value of #end to "{{ next_quarter.1 }}"'>
+            nächstes Quartal</span>
         </div>
       </div>
 
       <div class="field">
         <label class="label">Zeitraum Ende</label>
         <div class="control">
-          <input class="input" type="date" name="end" required value="{{ daterange.1 }}" />
+          <input class="input" type="date" name="end" id="end" required value="{{ daterange.1 }}" />
         </div>
       </div>