feat: added a due date to task (#11)

- created a simple Datetime selector in the task add method
- Set the initial date field to today date
- Handled the Timezone offset based on local date
- Prepared time implementation (google api doesn't support it yet)

Author: Tch3renk0v

src/handlers/task_handler.rs

@@ -1,8 +1,11 @@
+use std::process::exit;
+
 use crate::models::tasks::Tasks;
 use crate::printer::{print_error, print_success, print_task_table, print_warning};
 use crate::service::google_api::GoogleApiClient;
 use crate::service::google_tasks::ApiTasks;
 use anyhow;
+use chrono::{DateTime, Local};
 use console::Term;
 use dialoguer::{theme::ColorfulTheme, Input, Select};
 
@@ -47,7 +50,7 @@ impl TaskManager {
         } else {
             String::from("needsAction")
         };
-        Tasks::new(None, title, notes.unwrap_or_else(||String::from("")), status)
+        Tasks::new(None, title, notes.unwrap_or_else(||String::from("")), status, "".to_string())
     }
 
     fn create_task_with_prompts (&self,  notes: Option<String>, done: bool) -> anyhow::Result<Tasks> {
@@ -65,6 +68,33 @@ impl TaskManager {
         )?;
 
         let items = vec!["No", "Yes"];
+        let add_due = Select::with_theme(&ColorfulTheme::default())
+                .with_prompt("Add a due date?")
+                .items(&items)
+                .default(0)
+                .interact_on_opt(&Term::stderr())?
+                .unwrap();
+        
+        let due : String =  if add_due!=1 {"".to_string()} else { 
+            let today = Local::today();
+            let user_input = Input::with_theme(&ColorfulTheme::default())
+                .with_prompt("Due date")
+                // We initialize the field with today's date
+                .with_initial_text(today.format("%Y-%m-%d").to_string())
+                .allow_empty(true)
+                .interact_text()
+                .unwrap();
+                // We complete the user's input with the time (not used by google API) and the local timezone offset
+            match DateTime::parse_from_str(&[user_input,"00:00:00".to_string(),today.offset().to_string()].join(" "), "%Y-%m-%d %H:%M:%S %z") {
+                Ok(date) => {
+                    date.to_rfc3339_opts(chrono::SecondsFormat::Millis, false)},
+                Err(_) => {println!("Provided date is not valid, abording..."); exit(1);},
+
+            }
+        };
+
+
+
         let completed = if done { 1_usize } else {  
             Select::with_theme(&ColorfulTheme::default())
                 .with_prompt("Is the task completed?")
@@ -80,7 +110,7 @@ impl TaskManager {
             String::from("needsAction")
         };
 
-        Ok(Tasks::new(None, title, notes, status))
+        Ok(Tasks::new(None, title, notes, status, due))
     }
 
     pub fn show_task(&self, pos: usize) -> anyhow::Result<()> {

src/models/tasks.rs

@@ -34,7 +34,7 @@ pub struct Tasks {
 }
 
 impl Tasks {
-    pub fn new(id: Option<String>, title: String, notes: String, status: String) -> Tasks {
+    pub fn new(id: Option<String>, title: String, notes: String, status: String, due: String) -> Tasks {
         Tasks {
             kind: "".to_string(),
             id,
@@ -45,7 +45,7 @@ impl Tasks {
             position: None,
             notes,
             status,
-            due: String::from(""),
+            due,
         }
     }
 

src/printer.rs

@@ -71,12 +71,13 @@ pub fn force_write(action: String) -> anyhow::Result<()> {
 }
 
 pub fn print_task_table(tasks: &[Tasks]) {
-    let mut table = Table::new();
-    table.set_format(*format::consts::FORMAT_NO_BORDER);
     if tasks.is_empty() {
         print_success("You have no tasks!".to_string());
         return;
     }
+
+    let mut table = Table::new();
+    table.set_format(*format::consts::FORMAT_NO_BORDER);
     table.add_row(row![cb => "Index", "Title", "Status", "Notes", "Due"]);
     let mut order = 1;
     for task in tasks {

src/service/google_tasks.rs

@@ -119,6 +119,7 @@ impl ApiTasks for TasksDatabase {
             "".to_string(),
             "".to_string(),
             "".to_string(),
+            "".to_string()
         ))
     }
     fn fetch_all_tasks(
@@ -161,6 +162,7 @@ impl ApiTasks for TasksDatabase {
             "".to_string(),
             "".to_string(),
             "".to_string(),
+            "".to_string()
         ))
     }