task-085: transactions view has transactions

1 files changed, 46 insertions, 60 deletions

diff --git a/schist_desktop_gui/src/gui/components/transactions_view.rs b/schist_desktop_gui/src/gui/components/transactions_view.rs
index 1cb569c..59d7ae3 100644
--- a/schist_desktop_gui/src/gui/components/transactions_view.rs
+++ b/schist_desktop_gui/src/gui/components/transactions_view.rs
@@ -1,26 +1,28 @@
+use std::collections::HashMap;
+
 use iced::{
     alignment,
     widget::{column, row, Container},
     Element, Length,
 };
-use schist_models::Account;
+use itertools::Itertools;
+use schist_models::{Account, Transaction};
 
 use crate::{
-    gui::components::{navigation, Navigation, Text},
+    gui::components::{navigation, AccountNavigationEntry, Navigation, Text},
     style::SPACING_LG,
     traits::{Component, Viewable},
 };
 
 #[derive(Clone, Debug)]
 pub struct TransactionsView {
-    accounts: Vec<Account>,
-    greeting: String,
-    navigation: Navigation<Text>,
+    navigation: Navigation<AccountNavigationEntry>,
+    transactions_by_account_id: HashMap<i32, Vec<Transaction>>,
 }
 
 #[derive(Clone, Debug)]
 pub enum Message {
-    NavigationMessage(navigation::Message<Text>),
+    NavigationMessage(navigation::Message<AccountNavigationEntry>),
     SelectNextTransaction,
     SelectPrevTransaction,
     SetAccounts(Vec<Account>),
@@ -31,13 +33,20 @@ pub enum Action {
 }
 
 impl TransactionsView {
-    pub fn new(accounts: Vec<Account>, greeting: &str) -> Self {
-        let account_names = view_account_names(accounts.clone());
-        let navigation = Navigation::new(account_names.clone().first().cloned(), account_names);
+    pub fn new(accounts: Vec<Account>, transactions: Vec<Transaction>) -> Self {
+        let account_navigation_entries: Vec<AccountNavigationEntry> = accounts
+            .into_iter()
+            .map(AccountNavigationEntry::new)
+            .collect();
+        let navigation = Navigation::new(
+            account_navigation_entries.first().cloned(),
+            account_navigation_entries,
+        );
         Self {
-            accounts: accounts,
-            greeting: greeting.to_owned(),
             navigation: navigation,
+            transactions_by_account_id: transactions
+                .into_iter()
+                .into_group_map_by(|t| t.account_id),
         }
     }
 }
@@ -45,7 +54,20 @@ impl TransactionsView {
 impl<'a> Viewable<'a, Message> for TransactionsView {
     fn view(&'a self) -> Element<'a, Message> {
         let navigation = self.navigation.view().map(Message::NavigationMessage);
-        let main_content = column![Text::default(&self.greeting).as_element()];
+        let main_content = column![
+            Text::default("Hello, transactions!").as_element(),
+            Text::default(&format!(
+                "{} transactions in this account.",
+                self.navigation.active_option.clone().map_or(
+                    0,
+                    |AccountNavigationEntry { account, .. }| self
+                        .transactions_by_account_id
+                        .get(&account.id)
+                        .map_or(0, |transactions| transactions.len())
+                )
+            ))
+            .as_element(),
+        ];
         row![
             Container::new(navigation).width(Length::FillPortion(1)),
             Container::new(main_content).width(Length::FillPortion(3)),
@@ -61,62 +83,26 @@ impl<'a> Component<'a, Message, Action> for TransactionsView {
     fn update(&mut self, message: Message) -> Action {
         match message {
             Message::NavigationMessage(message) => {
-                match self.navigation.update(message) {
-                    navigation::Action::ActivateOption(group_name)
-                    | navigation::Action::SelectOption(group_name) => {
-                        self.greeting = make_greeting(group_name);
-                        Action::None
-                    }
-                    navigation::Action::None => Action::None,
-                };
+                self.navigation.update(message);
                 Action::None
             }
             Message::SetAccounts(accounts) => {
-                self.accounts = accounts.clone();
-                match self
-                    .navigation
-                    .update(navigation::Message::SetOptions(view_account_names(
-                        accounts,
-                    ))) {
-                    navigation::Action::ActivateOption(option)
-                    | navigation::Action::SelectOption(option) => {
-                        self.greeting = make_greeting(option);
-                        Action::None
-                    }
-                    navigation::Action::None => Action::None,
-                }
+                let account_navigation_entries: Vec<AccountNavigationEntry> = accounts
+                    .into_iter()
+                    .map(AccountNavigationEntry::new)
+                    .collect();
+                self.navigation
+                    .update(navigation::Message::SetOptions(account_navigation_entries));
+                Action::None
             }
             Message::SelectNextTransaction => {
-                match self.navigation.update(navigation::Message::SelectNext) {
-                    navigation::Action::ActivateOption(option)
-                    | navigation::Action::SelectOption(option) => {
-                        self.greeting = make_greeting(option);
-                        Action::None
-                    }
-                    navigation::Action::None => Action::None,
-                }
+                self.navigation.update(navigation::Message::SelectNext);
+                Action::None
             }
             Message::SelectPrevTransaction => {
-                match self.navigation.update(navigation::Message::SelectPrev) {
-                    navigation::Action::ActivateOption(option)
-                    | navigation::Action::SelectOption(option) => {
-                        self.greeting = make_greeting(option);
-                        Action::None
-                    }
-                    navigation::Action::None => Action::None,
-                }
+                self.navigation.update(navigation::Message::SelectPrev);
+                Action::None
             }
         }
     }
 }
-
-fn make_greeting(account_name: Text) -> String {
-    format!("Hello, {} account!", account_name.content)
-}
-
-fn view_account_names(accounts: Vec<Account>) -> Vec<Text> {
-    accounts
-        .iter()
-        .map(|acc| Text::new(acc.name.as_str()))
-        .collect()
-}