todo stuff

src/component_models/pager.rs

@@ -1,7 +1,14 @@
+// todo split pager out into a single struct
 use chrono_tz::Tz;
 use serde::{Deserialize, Serialize};
 use serde_repr::*;
-use serenity::{builder::CreateComponents, model::interactions::message_component::ButtonStyle};
+use serenity::{
+    builder::CreateComponents,
+    model::{
+        id::{ChannelId, GuildId, UserId},
+        interactions::message_component::ButtonStyle,
+    },
+};
 
 use crate::{component_models::ComponentDataModel, models::reminder::look_flags::LookFlags};
 
@@ -209,3 +216,123 @@ impl DelPager {
         )
     }
 }
+
+#[derive(Deserialize, Serialize)]
+pub struct TodoPager {
+    pub page: usize,
+    action: PageAction,
+    pub user_id: Option<UserId>,
+    pub channel_id: Option<ChannelId>,
+    pub guild_id: Option<GuildId>,
+}
+
+impl Pager for TodoPager {
+    fn next_page(&self, max_pages: usize) -> usize {
+        match self.action {
+            PageAction::First => 0,
+            PageAction::Previous => 0.max(self.page - 1),
+            PageAction::Refresh => self.page,
+            PageAction::Next => (max_pages - 1).min(self.page + 1),
+            PageAction::Last => max_pages - 1,
+        }
+    }
+
+    fn create_button_row(&self, max_pages: usize, comp: &mut CreateComponents) {
+        let next_page = self.next_page(max_pages);
+
+        let (page_first, page_prev, page_refresh, page_next, page_last) =
+            TodoPager::buttons(next_page, self.user_id, self.channel_id, self.guild_id);
+
+        comp.create_action_row(|row| {
+            row.create_button(|b| {
+                b.label("⏮️")
+                    .style(ButtonStyle::Primary)
+                    .custom_id(page_first.to_custom_id())
+                    .disabled(next_page == 0)
+            })
+            .create_button(|b| {
+                b.label("◀️")
+                    .style(ButtonStyle::Secondary)
+                    .custom_id(page_prev.to_custom_id())
+                    .disabled(next_page == 0)
+            })
+            .create_button(|b| {
+                b.label("🔁").style(ButtonStyle::Secondary).custom_id(page_refresh.to_custom_id())
+            })
+            .create_button(|b| {
+                b.label("▶️")
+                    .style(ButtonStyle::Secondary)
+                    .custom_id(page_next.to_custom_id())
+                    .disabled(next_page + 1 == max_pages)
+            })
+            .create_button(|b| {
+                b.label("⏭️")
+                    .style(ButtonStyle::Primary)
+                    .custom_id(page_last.to_custom_id())
+                    .disabled(next_page + 1 == max_pages)
+            })
+        });
+    }
+}
+
+impl TodoPager {
+    pub fn new(
+        page: usize,
+        user_id: Option<UserId>,
+        channel_id: Option<ChannelId>,
+        guild_id: Option<GuildId>,
+    ) -> Self {
+        Self { page, action: PageAction::Refresh, user_id, channel_id, guild_id }
+    }
+
+    pub fn buttons(
+        page: usize,
+        user_id: Option<UserId>,
+        channel_id: Option<ChannelId>,
+        guild_id: Option<GuildId>,
+    ) -> (
+        ComponentDataModel,
+        ComponentDataModel,
+        ComponentDataModel,
+        ComponentDataModel,
+        ComponentDataModel,
+    ) {
+        (
+            ComponentDataModel::TodoPager(TodoPager {
+                page,
+                action: PageAction::First,
+                user_id,
+                channel_id,
+                guild_id,
+            }),
+            ComponentDataModel::TodoPager(TodoPager {
+                page,
+                action: PageAction::Previous,
+                user_id,
+                channel_id,
+                guild_id,
+            }),
+            ComponentDataModel::TodoPager(TodoPager {
+                page,
+                action: PageAction::Refresh,
+                user_id,
+                channel_id,
+                guild_id,
+            }),
+            ComponentDataModel::TodoPager(TodoPager {
+                page,
+                action: PageAction::Next,
+                user_id,
+                channel_id,
+                guild_id,
+            }),
+            ComponentDataModel::TodoPager(TodoPager {
+                page,
+                action: PageAction::Last,
+                user_id,
+                channel_id,
+                guild_id,
+            }),
+        )
+    }
+}