proper error handling for mediawiki edits

src/mediawiki.rs

@@ -1,5 +1,6 @@
 use std::cell::OnceCell;
 use std::error::Error;
+use std::f64::consts::E;
 
 use chrono::{Datelike, NaiveDate, Utc};
 use colored::Colorize;
@@ -75,13 +76,13 @@ impl std::fmt::Debug for Mediawiki {
 pub enum ValidRequestTypes {
     Get,
     Post,
-    PostForEditing
+    PostForEditing,
 }
 
 pub enum ValidPageEdits {
     WithPotentiallyOverriding,
     WithoutOverriding,
-    ModifyPlenumPageAfterwards_WithoutOverriding
+    ModifyPlenumPageAfterwards_WithoutOverriding,
 }
 
 impl Mediawiki {
@@ -223,7 +224,6 @@ impl Mediawiki {
         resp
     }
 
-
     /// Creates a completely new wiki page with page_content and page_title as inputs
     pub fn new_wiki_page(
         &self, page_title: &str, page_content: &str, update_main_page: ValidPageEdits,
@@ -243,7 +243,7 @@ impl Mediawiki {
         }
 
         let url = format!("{}/api.php", self.server_url);
-        
+
         let params: Box<[(&str, &str)]> = match update_main_page {
             ValidPageEdits::WithPotentiallyOverriding => {
                 // This means we *EDIT* the *Main Page* and do not prevent overwriting
@@ -253,9 +253,9 @@ impl Mediawiki {
                     ("title", page_title),
                     ("text", page_content),
                     ("token", self.csrf_token.get().unwrap()),
-                    ("bot", "true")
+                    ("bot", "true"),
-            ])
+                ])
-            }
+            },
             ValidPageEdits::ModifyPlenumPageAfterwards_WithoutOverriding => {
                 // This means we *CREATE* a *new Page* and always prevent overwriting
                 Box::from([
@@ -267,7 +267,7 @@ impl Mediawiki {
                     ("createonly", "true"), // Prevent overwriting existing pages
                     ("bot", "true"),
                 ])
-            }
+            },
             ValidPageEdits::WithoutOverriding => {
                 // This means we *CREATE* a *new Page* and always prevent overwriting
                 Box::from([
@@ -279,7 +279,7 @@ impl Mediawiki {
                     ("createonly", "true"), // Prevent overwriting existing pages
                     ("bot", "true"),
                 ])
-            }
+            },
         };
 
         verboseln!("Current page title: {page_title}");
@@ -294,11 +294,19 @@ impl Mediawiki {
         let response_result = serde_json::from_str::<serde_json::Value>(&request_result);
         let response = response_result.unwrap_or_else(|e| {
             print!("Error while creating new wiki page:\n{}", e.to_string().cyan());
-            return serde_json::from_str("\"(error)\"").unwrap()
+            return serde_json::from_str("\"(error)\"").unwrap();
         });
         verboseln!("pos2");
         // Check if the page creation was successful
-        if let Some(edit) = response.get("edit") {
+        if let Some(error) = response.get("error") {
+            if let Some(info) = error.get("info") {
+                if info == "The page you tried to create has been created already." {
+                    verboseln!("The page you tried to create has been created already. Continuing...")
+                } else {
+                    println!("There was an error while editing the wiki: {}", info.to_string().yellow())
+                }
+            }
+        } else if let Some(edit) = response.get("edit") {
             verboseln!("pos3");
             if edit.get("result").and_then(|r| r.as_str()) == Some("Success") {
                 verboseln!("Successfully created wiki page: {}", page_title);
@@ -318,9 +326,9 @@ impl Mediawiki {
                 verboseln!("updating main page...");
                 self.update_plenum_page(page_title)?
             },
-            _ => ()
+            _ => (),
         };
-        return Ok(page_title.to_string())
+        return Ok(page_title.to_string());
     }
 
     /// This function is responsible for updating the main plenum page:
@@ -339,7 +347,6 @@ impl Mediawiki {
 
         // check first if the script has been run before and if the link already exists
         if !page_content.contains(&new_page_title_to_link_to) {
-
             // check if the current year heading pattern exists
             if !page_content.contains(&year_heading_pattern) {
                 // If not, add a new year heading pattern
@@ -375,7 +382,11 @@ impl Mediawiki {
             verboseln!("{}", "The bot appears to have been run before and a duplicate link to the new plenum pad was avoided.".yellow())
         }
         // refresh page
-        self.new_wiki_page(&self.plenum_main_page_name, &page_content, ValidPageEdits::WithPotentiallyOverriding)?;
+        self.new_wiki_page(
+            &self.plenum_main_page_name,
+            &page_content,
+            ValidPageEdits::WithPotentiallyOverriding,
+        )?;
         Ok(())
     }
     /// This function downloads and returns the contents of a wiki page when given the page's title (e.g. `page_title = Plenum/13._August_2024`)
@@ -512,7 +523,11 @@ pub fn pad_ins_wiki(
     let page_title = create_page_title(date);
     let full_page_title = format!("{}/{}", wiki.plenum_main_page_name, page_title);
 
-    wiki.new_wiki_page(&full_page_title, &pad_converted, ValidPageEdits::ModifyPlenumPageAfterwards_WithoutOverriding)?;
+    wiki.new_wiki_page(
+        &full_page_title,
+        &pad_converted,
+        ValidPageEdits::ModifyPlenumPageAfterwards_WithoutOverriding,
+    )?;
 
     verboseln!("Finished successfully with wiki");
     Ok(())