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Added storing volume details in local storage
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| use crate::google::Volumes; | ||
| use crate::utils::log; | ||
| use chrono::{DateTime, Utc}; | ||
| use serde::{Deserialize, Serialize}; | ||
| use web_sys::Window; | ||
|
|
||
| #[derive(Deserialize, Serialize, Debug)] | ||
| pub struct BookNote { | ||
| pub timestamp: DateTime<Utc>, | ||
| pub note: String, | ||
| } | ||
|
|
||
| #[derive(Deserialize, Serialize, Debug)] | ||
| pub struct BookRecord { | ||
| pub isbn: String, | ||
| pub title: String, | ||
| pub author: String, | ||
| pub notes: Vec<BookNote>, | ||
| } | ||
|
|
||
| #[derive(Deserialize, Serialize, Debug)] | ||
| struct BookDB { | ||
| books: Vec<BookRecord>, | ||
| } | ||
|
|
||
| impl BookRecord { | ||
| /// Adds a not to an existing book record, creates a new record if the ISBN is not found. | ||
| /// The book record is stored in the local storage (front-end only access). | ||
| /// Fails silently if the record cannot be stored. | ||
| /// TODO: Add error handling. | ||
| pub(crate) fn add_note(self, runtime: &Window, note: String) { | ||
| // get the book record from the database | ||
|
|
||
| let ls = match runtime.local_storage() { | ||
| Ok(Some(v)) => v, | ||
| Err(e) => { | ||
| log!("Failed to get local storage: {:?}", e); | ||
| return; | ||
| } | ||
| _ => { | ||
| log!("Local storage not available (OK(None))"); | ||
| return; | ||
| } | ||
| }; | ||
|
|
||
| let mut book_record = match ls.get_item(&self.isbn) { | ||
| Ok(Some(v)) => match serde_json::from_str::<BookRecord>(&v) { | ||
| Ok(v) => v, | ||
| Err(e) => { | ||
| log!("Failed to parse local storage book record: {:?}", e); | ||
| return; | ||
| } | ||
| }, | ||
| Ok(None) => { | ||
| log!("Book record not found in local storage"); | ||
| self | ||
| } | ||
| Err(e) => { | ||
| log!("Failed to get book record from local storage: {:?}", e); | ||
| return; | ||
| } | ||
| }; | ||
|
|
||
| // add the note to the book record | ||
| book_record.notes.push(BookNote { | ||
| timestamp: Utc::now(), | ||
| note, | ||
| }); | ||
|
|
||
| // replace the record in the database | ||
| let isbn = book_record.isbn.clone(); | ||
| let book_record = match serde_json::to_string(&book_record) { | ||
| Ok(v) => v, | ||
| Err(e) => { | ||
| log!("Failed to serialize book record: {:?}", e); | ||
| return; | ||
| } | ||
| }; | ||
| match ls.set_item(&isbn, &book_record) { | ||
| Ok(()) => log!("Book record updated"), | ||
| Err(e) => log!("Failed to update book record: {:?}", e), | ||
| } | ||
| } | ||
|
|
||
| /// Converts the very first Volume into Self, if it exists. | ||
| /// Otherwise, returns None. | ||
| pub(crate) fn from_google_books(volumes: Volumes, isbn: &str) -> Option<Self> { | ||
| if volumes.items.is_empty() { | ||
| return None; | ||
| } | ||
|
|
||
| Some(Self { | ||
| isbn: isbn.to_string(), | ||
| title: volumes.items[0].volume_info.title.clone(), | ||
| author: volumes.items[0].volume_info.authors[0].clone(), | ||
| notes: Vec::new(), | ||
| }) | ||
| } | ||
| } |
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