Organise Slack code in format

src/format.rs

@@ -1,4 +1,5 @@
 use indoc::formatdoc;
+use serde_json::json;
 
 use crate::items::ShopItem;
 
@@ -83,6 +84,35 @@ pub fn format_deleted_item(item: &ShopItem) -> String {
     }
 }
 
+pub fn get_slack_blocks(diffs: &Vec<String>) -> serde_json::Value {
+    let mut blocks_vec = vec![];
+    for diff in diffs {
+        blocks_vec.push(json!({
+            "type": "section",
+            "text": {
+                "type": "mrkdwn",
+                "text": diff
+            }
+        }));
+        blocks_vec.push(json!({
+            "type": "divider"
+        }));
+    }
+    blocks_vec.push(json!({
+        "type": "context",
+        "elements": [
+            {
+                "type": "mrkdwn",
+                "text": format!("Arcade Monitor v{}", env!("CARGO_PKG_VERSION").to_string()) // Will never panic, variable is always set by Cargo
+            }
+        ]
+    }));
+
+    json!({
+        "blocks": blocks_vec,
+    })
+}
+
 #[cfg(test)]
 mod format_new_tests {
     use super::*;

src/lib.rs

@@ -1,6 +1,5 @@
 use items::ShopItems;
 use reqwest::Client;
-use serde_json::json;
 use worker::*;
 
 mod format;
@@ -61,32 +60,7 @@ async fn run_scrape(env: Env) -> Result<String> {
     let changes = result.join("\n\n");
 
     // slack webhook
-    let mut blocks_vec = vec![];
+    let slack_body = format::get_slack_blocks(&result);
-    for diff in &result {
-        blocks_vec.push(json!({
-            "type": "section",
-            "text": {
-                "type": "mrkdwn",
-                "text": diff
-            }
-        }));
-        blocks_vec.push(json!({
-            "type": "divider"
-        }));
-    }
-    blocks_vec.push(json!({
-        "type": "context",
-        "elements": [
-            {
-                "type": "mrkdwn",
-                "text": format!("Arcade Monitor v{}", env.var("CARGO_PKG_VERSION")?.to_string())
-            }
-        ]
-    }));
-
-    let slack_body = &json!({
-        "blocks": blocks_vec,
-    });
     client
         .post(&slack_webhook_url)
         .body(slack_body.to_string())