From 5ddacf8e8131bacbcbd360b24c4c45b5380678ee Mon Sep 17 00:00:00 2001
From: Santo Cariotti <santo@dcariotti.me>
Date: Thu, 5 Aug 2021 20:33:14 +0200
Subject: feat: get spaces of a faculty

---
 src/browser/mod.rs         | 11 +++++++++++
 src/browser/web_browser.rs | 32 +++++++++++++++++++++++++++++++
 src/callbacks.rs           | 48 ++++++++++++++++++++++++++++++++++++++++------
 src/main.rs                |  2 +-
 4 files changed, 86 insertions(+), 7 deletions(-)

diff --git a/src/browser/mod.rs b/src/browser/mod.rs
index 1675595..1f44493 100644
--- a/src/browser/mod.rs
+++ b/src/browser/mod.rs
@@ -35,6 +35,17 @@ pub async unsafe fn get_faculties() -> WebDriverResult<Option<HashMap<String, St
     Ok(None)
 }
 
+/// Get the spaces (rooms) available to book
+pub async unsafe fn get_spaces() -> WebDriverResult<Option<HashMap<String, String>>> {
+    if let Some(driver) = &WEB_BROWSER {
+        if let Some(spaces) = driver.spaces().await? {
+            return Ok(Some(spaces));
+        }
+    }
+
+    Ok(None)
+}
+
 pub async unsafe fn select_option(
     klass: &str,
     property_name: &str,
diff --git a/src/browser/web_browser.rs b/src/browser/web_browser.rs
index ffbdc13..f799866 100644
--- a/src/browser/web_browser.rs
+++ b/src/browser/web_browser.rs
@@ -115,6 +115,38 @@ impl Browser {
         Ok(None)
     }
 
+    /// Get all spaces for booking and return an `HashMap<key, value>` when `key` is the
+    /// key for that space inside the `select` tag and `value` is just the text of the option.
+    pub async fn spaces(&self) -> WebDriverResult<Option<HashMap<String, String>>> {
+        if let Some(_d) = &self.driver {
+            thread::sleep(time::Duration::from_millis(1000));
+
+            _d.find_element(By::Css(
+                "span[aria-labelledby='select2-spaceSelector-container']",
+            ))
+            .await?
+            .click()
+            .await?;
+
+            let list_elements = _d
+                .find_elements(By::Css("#select2-spaceSelector-results li"))
+                .await?;
+
+            let mut spaces_ids = HashMap::<String, String>::new();
+
+            for i in list_elements {
+                spaces_ids.insert(
+                    i.get_attribute("data-select2-id").await.unwrap().unwrap(),
+                    i.text().await.unwrap(),
+                );
+            }
+
+            return Ok(Some(spaces_ids));
+        }
+
+        Ok(None)
+    }
+
     /// Select an option from a list of select elements
     pub async fn select_option_from_list(
         &self,
diff --git a/src/callbacks.rs b/src/callbacks.rs
index c670884..a82d5e9 100644
--- a/src/callbacks.rs
+++ b/src/callbacks.rs
@@ -1,18 +1,54 @@
 use crate::browser;
+use crate::keyboard::make_inline_keyboard;
+use std::error::Error;
+use teloxide::{
+    payloads::EditMessageReplyMarkupSetters,
+    prelude::{AutoSend, Bot, CallbackQuery, Requester, UpdateWithCx},
+};
 
 /// Handle the string of callback data
-pub async fn handler(text: &String) {
+pub async fn handler(
+    cx: &UpdateWithCx<AutoSend<Bot>, CallbackQuery>,
+    text: &String,
+) -> Result<bool, Box<dyn Error + Send + Sync>> {
     let call: Vec<&str> = text.split("_").collect();
 
+    let chat_id = call[0];
     // First part of `_` string is the type of callback we want to handle
-    let type_ = call[0];
+    let type_ = call[1];
 
     match type_ {
         "faculty" => unsafe {
             // Select the faculty
-            let _ =
-                browser::select_option("select2-results__option", "data-select2-id", call[1]).await;
+            match browser::select_option("select2-results__option", "data-select2-id", call[2])
+                .await
+            {
+                Ok(result) => {
+                    if result {
+                        let spaces = browser::get_spaces().await.unwrap();
+                        let keyboard =
+                            make_inline_keyboard(&spaces, "space", chat_id.parse::<i64>().unwrap())
+                                .await;
+
+                        // Edit the previous faculties message with spaces' buttons
+                        cx.requester
+                            .edit_message_reply_markup(
+                                chat_id.to_string(),
+                                cx.update.message.clone().unwrap().id,
+                            )
+                            .reply_markup(keyboard)
+                            .await?;
+
+                        return Ok(true);
+                    } else {
+                        return Ok(false);
+                    }
+                }
+                Err(_) => {
+                    return Ok(false);
+                }
+            }
         },
-        _ => {}
-    };
+        _ => Ok(false),
+    }
 }
diff --git a/src/main.rs b/src/main.rs
index 92e661e..6b85559 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -44,7 +44,7 @@ async fn main() -> Result<(), Box<dyn Error>> {
             UnboundedReceiverStream::new(rx).for_each_concurrent(None, |cx| async move {
                 let data = &cx.update.data;
                 if let Some(text) = data {
-                    callbacks::handler(text).await;
+                    let _ = callbacks::handler(&cx, text).await;
                 }
             })
         })
-- 
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