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Split diffing logic into seperate function

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SkyfallWasTaken 2024-07-03 17:56:38 +01:00
parent d993eb695a
commit 5355a628ef
1 changed files with 30 additions and 23 deletions
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53
src/lib.rs
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@ -1,4 +1,5 @@
use indoc::formatdoc; use indoc::formatdoc;
use items::ShopItems;
use serde_json::json; use serde_json::json;
use worker::*; use worker::*;
@ -41,29 +42,7 @@ async fn run_scrape(env: Env) -> Result<String> {
}; };
// Compare the old items with the new items. // Compare the old items with the new items.
let mut result: Vec<String> = Vec::new(); let result = diff_old_new_items(&old_items, &available_items);
for item in &available_items {
// TODO: not very efficient.
let old_item = old_items.iter().find(|i| i.id == item.id);
match old_item {
Some(old) => {
if let Some(diff) = format::format_item_diff(old, item) {
result.push(diff);
}
}
None => {
result.push(format::format_new_item(item));
}
}
}
// Check if any items have been removed.
for item in &old_items {
if !available_items.iter().any(|i| i.id == item.id) {
result.push(format::format_deleted_item(item));
}
}
// If there are any updates/new items, send a message to the Slack webhook. // If there are any updates/new items, send a message to the Slack webhook.
if result.is_empty() { if result.is_empty() {
@ -92,3 +71,31 @@ async fn run_scrape(env: Env) -> Result<String> {
Ok(result.join("\n\n")) Ok(result.join("\n\n"))
} }
fn diff_old_new_items(old_items: &ShopItems, new_items: &ShopItems) -> Vec<String> {
let mut result: Vec<String> = Vec::new();
for item in &available_items {
// TODO: not very efficient.
let old_item = old_items.iter().find(|i| i.id == item.id);
match old_item {
Some(old) => {
if let Some(diff) = format::format_item_diff(old, item) {
result.push(diff);
}
}
None => {
result.push(format::format_new_item(item));
}
}
}
// Check if any items have been removed.
for item in &old_items {
if !available_items.iter().any(|i| i.id == item.id) {
result.push(format::format_deleted_item(item));
}
}
result
}