Refactor overwrite check to utility function

- Refactor overwrite check to utility function
- Don't mind me refactoring character delete functions. I tried something, but I think the refactoring still makes sense

public/script.js

@@ -154,6 +154,7 @@ import {
     isValidUrl,
     ensureImageFormatSupported,
     flashHighlight,
+    checkOverwriteExistingData,
 } from './scripts/utils.js';
 import { debounce_timeout } from './scripts/constants.js';
 
@@ -6465,7 +6466,8 @@ export async function getChatsFromFiles(data, isGroupChat) {
  * @param {null|number} [characterId=null] - When set, the function will use this character id instead of this_chid.
  *
  * @returns {Promise<Array>} - An array containing metadata of all past chats of the character, sorted
- * in descending order by file name. Returns `undefined` if the fetch request is unsuccessful.
+ * in descending order by file name. Returns an empty array if the fetch request is unsuccessful or the
+ * response is an object with an `error` property set to `true`.
  */
 export async function getPastCharacterChats(characterId = null) {
     characterId = characterId ?? this_chid;
@@ -6481,10 +6483,13 @@ export async function getPastCharacterChats(characterId = null) {
         return [];
     }
 
-    let data = await response.json();
+    const data = await response.json();
-    data = Object.values(data);
+    if (typeof data === 'object' && data.error === true) {
-    data = data.sort((a, b) => a['file_name'].localeCompare(b['file_name'])).reverse();
+        return [];
-    return data;
+    }
+
+    const chats = Object.values(data);
+    return chats.sort((a, b) => a['file_name'].localeCompare(b['file_name'])).reverse();
 }
 
 /**
@@ -8449,17 +8454,34 @@ function doCloseChat() {
  * @param {string} this_chid - The character ID to be deleted.
  * @param {boolean} delete_chats - Whether to delete chats or not.
  */
-export async function handleDeleteCharacter(popup_type, this_chid, delete_chats) {
+async function handleDeleteCharacter(popup_type, this_chid, delete_chats) {
     if (popup_type !== 'del_ch' ||
         !characters[this_chid]) {
         return;
     }
 
-    const avatar = characters[this_chid].avatar;
+    await deleteCharacter(characters[this_chid].avatar, { deleteChats: delete_chats });
-    const name = characters[this_chid].name;
+}
-    const pastChats = await getPastCharacterChats();
 
-    const msg = { avatar_url: avatar, delete_chats: delete_chats };
+/**
+ * Deletes a character completely, including associated chats if specified
+ *
+ * @param {string} characterKey - The key (avatar) of the character to be deleted
+ * @param {Object} [options] - Optional parameters for the deletion
+ * @param {boolean} [options.deleteChats=true] - Whether to delete associated chats or not
+ * @return {Promise<void>} - A promise that resolves when the character is successfully deleted
+ */
+export async function deleteCharacter(characterKey, { deleteChats = true } = {}) {
+    const character = characters.find(x => x.avatar == characterKey);;
+    if (!character) {
+        toastr.warning(`Character ${characterKey} not found. Cannot be deleted.`);
+        return;
+    }
+
+    const chid = characters.indexOf(character);
+    const pastChats = await getPastCharacterChats(chid);
+
+    const msg = { avatar_url: character.avatar, delete_chats: deleteChats };
 
     const response = await fetch('/api/characters/delete', {
         method: 'POST',
@@ -8468,17 +8490,17 @@ export async function handleDeleteCharacter(popup_type, this_chid, delete_chats)
         cache: 'no-cache',
     });
 
-    if (response.ok) {
+    if (!response.ok) {
-        await deleteCharacter(name, avatar);
+        throw new Error(`Failed to delete character: ${response.status} ${response.statusText}`);
+    }
 
-        if (delete_chats) {
+    await removeCharacterFromUI(character.name, character.avatar);
-            for (const chat of pastChats) {
+
-                const name = chat.file_name.replace('.jsonl', '');
+    if (deleteChats) {
-                await eventSource.emit(event_types.CHAT_DELETED, name);
+        for (const chat of pastChats) {
-            }
+            const name = chat.file_name.replace('.jsonl', '');
+            await eventSource.emit(event_types.CHAT_DELETED, name);
         }
-    } else {
-        console.error('Failed to delete character: ', response.status, response.statusText);
     }
 }
 
@@ -8495,7 +8517,7 @@ export async function handleDeleteCharacter(popup_type, this_chid, delete_chats)
  * @param {string} avatar - The avatar URL of the character to be deleted.
  * @param {boolean} reloadCharacters - Whether the character list should be refreshed after deletion.
  */
-export async function deleteCharacter(name, avatar, reloadCharacters = true) {
+async function removeCharacterFromUI(name, avatar, reloadCharacters = true) {
     await clearChat();
     $('#character_cross').click();
     this_chid = undefined;

public/scripts/BulkEditOverlay.js

@@ -4,7 +4,6 @@ import {
     characterGroupOverlay,
     callPopup,
     characters,
-    deleteCharacter,
     event_types,
     eventSource,
     getCharacters,
@@ -13,6 +12,7 @@ import {
     buildAvatarList,
     characterToEntity,
     printCharactersDebounced,
+    deleteCharacter,
 } from '../script.js';
 
 import { favsToHotswap } from './RossAscends-mods.js';
@@ -115,24 +115,7 @@ class CharacterContextMenu {
     static delete = async (characterId, deleteChats = false) => {
         const character = CharacterContextMenu.#getCharacter(characterId);
 
-        return fetch('/api/characters/delete', {
+        await deleteCharacter(character.avatar, { deleteChats: deleteChats });
-            method: 'POST',
-            headers: getRequestHeaders(),
-            body: JSON.stringify({ avatar_url: character.avatar, delete_chats: deleteChats }),
-            cache: 'no-cache',
-        }).then(response => {
-            if (response.ok) {
-                eventSource.emit(event_types.CHARACTER_DELETED, { id: characterId, character: character });
-                return deleteCharacter(character.name, character.avatar, false).then(() => {
-                    if (deleteChats) getPastCharacterChats(characterId).then(pastChats => {
-                        for (const chat of pastChats) {
-                            const name = chat.file_name.replace('.jsonl', '');
-                            eventSource.emit(event_types.CHAT_DELETED, name);
-                        }
-                    });
-                });
-            }
-        });
     };
 
     static #getCharacter = (characterId) => characters[characterId] ?? null;

public/scripts/utils.js

@@ -1,5 +1,5 @@
 import { getContext } from './extensions.js';
-import { getRequestHeaders } from '../script.js';
+import { callPopup, getRequestHeaders } from '../script.js';
 import { isMobile } from './RossAscends-mods.js';
 import { collapseNewlines } from './power-user.js';
 import { debounce_timeout } from './constants.js';
@@ -1720,3 +1720,38 @@ export function highlightRegex(regexStr) {
 
     return `<span class="regex-highlight">${regexStr}</span>`;
 }
+
+/**
+ * Confirms if the user wants to overwrite an existing data object (like character, world info, etc) if one exists.
+ * If no data with the name exists, this simply returns true.
+ *
+ * @param {string} type - The type of the check ("World Info", "Character", etc)
+ * @param {string[]} existingNames - The list of existing names to check against
+ * @param {string} name - The new name
+ * @param {object} options - Optional parameters
+ * @param {boolean} [options.interactive=false] - Whether to show a confirmation dialog when needing to overwrite an existing data object
+ * @param {string} [options.actionName='overwrite'] - The action name to display in the confirmation dialog
+ * @param {(existingName:string)=>void} [options.deleteAction=null] - Optional action to execute wen deleting an existing data object on overwrite
+ * @returns {Promise<boolean>} True if the user confirmed the overwrite or there is no overwrite needed, false otherwise
+ */
+export async function checkOverwriteExistingData(type, existingNames, name, { interactive = false, actionName = 'Overwrite', deleteAction = null } = {}) {
+    const existing = existingNames.find(x => equalsIgnoreCaseAndAccents(x, name));
+    if (!existing) {
+        return true;
+    }
+
+    const overwrite = interactive ? await callPopup(`<h3>${type} ${actionName}</h3><p>A ${type.toLowerCase()} with the same name already exists:<br />${existing}</p>Do you want to overwrite it?`, 'confirm') : false;
+    if (!overwrite) {
+        toastr.warning(`${type} ${actionName.toLowerCase()} cancelled. A ${type.toLowerCase()} with the same name already exists:<br />${existing}`, `${type} ${actionName}`, { escapeHtml: false });
+        return false;
+    }
+
+    toastr.info(`Overwriting Existing ${type}:<br />${existing}`, `${type} ${actionName}`, { escapeHtml: false });
+
+    // If there is an action to delete the existing data, do it, as the name might be slightly different so file name would not be the same
+    if (deleteAction) {
+        deleteAction(existing);
+    }
+
+    return true;
+}

public/scripts/world-info.js

@@ -1,5 +1,5 @@
 import { saveSettings, callPopup, substituteParams, getRequestHeaders, chat_metadata, this_chid, characters, saveCharacterDebounced, menu_type, eventSource, event_types, getExtensionPromptByName, saveMetadata, getCurrentChatId, extension_prompt_roles } from '../script.js';
-import { download, debounce, initScrollHeight, resetScrollHeight, parseJsonFile, extractDataFromPng, getFileBuffer, getCharaFilename, getSortableDelay, escapeRegex, PAGINATION_TEMPLATE, navigation_option, waitUntilCondition, isTrueBoolean, setValueByPath, flashHighlight, select2ModifyOptions, getSelect2OptionId, dynamicSelect2DataViaAjax, highlightRegex, select2ChoiceClickSubscribe, isFalseBoolean, equalsIgnoreCaseAndAccents, getSanitizedFilename } from './utils.js';
+import { download, debounce, initScrollHeight, resetScrollHeight, parseJsonFile, extractDataFromPng, getFileBuffer, getCharaFilename, getSortableDelay, escapeRegex, PAGINATION_TEMPLATE, navigation_option, waitUntilCondition, isTrueBoolean, setValueByPath, flashHighlight, select2ModifyOptions, getSelect2OptionId, dynamicSelect2DataViaAjax, highlightRegex, select2ChoiceClickSubscribe, isFalseBoolean, equalsIgnoreCaseAndAccents, getSanitizedFilename, checkOverwriteExistingData } from './utils.js';
 import { extension_settings, getContext } from './extensions.js';
 import { NOTE_MODULE_NAME, metadata_keys, shouldWIAddPrompt } from './authors-note.js';
 import { isMobile } from './RossAscends-mods.js';
@@ -2619,27 +2619,27 @@ function getFreeWorldName() {
  * Creates a new world info/lorebook with the given name.
  * Checks if a world with the same name already exists, providing a warning or optionally a user confirmation dialog.
  *
- * @param {string} worldInfoName - The name of the new world info
+ * @param {string} worldName - The name of the new world info
  * @param {Object} options - Optional parameters
  * @param {boolean} [options.interactive=false] - Whether to show a confirmation dialog when overwriting an existing world
  * @returns {Promise<boolean>} - True if the world info was successfully created, false otherwise
  */
-async function createNewWorldInfo(worldInfoName, { interactive = false } = {}) {
+async function createNewWorldInfo(worldName, { interactive = false } = {}) {
     const worldInfoTemplate = { entries: {} };
 
-    if (!worldInfoName) {
+    if (!worldName) {
         return false;
     }
 
-    const allowed = await checkCanOverwriteWorldInfo(worldInfoName, { interactive: interactive, actionName: 'Create' });
+    const allowed = await checkOverwriteExistingData('World Info', world_names, worldName, { interactive: interactive, actionName: 'Create', deleteAction: (existingName) => deleteWorldInfo(existingName) });
     if (!allowed) {
         return false;
     }
 
-    await saveWorldInfo(worldInfoName, worldInfoTemplate, true);
+    await saveWorldInfo(worldName, worldInfoTemplate, true);
     await updateWorldInfoList();
 
-    const selectedIndex = world_names.indexOf(worldInfoName);
+    const selectedIndex = world_names.indexOf(worldName);
     if (selectedIndex !== -1) {
         $('#world_editor_select').val(selectedIndex).trigger('change');
     } else {
@@ -2649,37 +2649,6 @@ async function createNewWorldInfo(worldInfoName, { interactive = false } = {}) {
     return true;
 }
 
-
-/**
- * Confirms if the user wants to overwrite an existing world info with the same name.
- * If no world info with the name exists, this simply returns true
- *
- * @param {string} name - The name of the world info to create
- * @param {Object} options - Optional parameters
- * @param {boolean} [options.interactive=false] - Whether to show a confirmation dialog when overwriting an existing world
- * @param {string} [options.actionName='overwrite'] - The action name to display in the confirmation dialog
- * @returns {Promise<boolean>} True if the user confirmed the overwrite, false otherwise
- */
-async function checkCanOverwriteWorldInfo(name, { interactive = false, actionName = 'Overwrite' } = {}) {
-    const existingWorld = world_names.find(x => equalsIgnoreCaseAndAccents(x, name));
-    if (!existingWorld) {
-        return true;
-    }
-
-    const overwrite = interactive ? await callPopup(`<h3>World Info ${actionName}</h3><p>A world with the same name already exists:<br />${existingWorld}</p>Do you want to overwrite it?`, 'confirm') : false;
-    if (!overwrite) {
-        toastr.warning(`World ${actionName.toLowerCase()} cancelled. A world with the same name already exists:<br />${existingWorld}`, `World Info ${actionName}`, { escapeHtml: false });
-        return false;
-    }
-
-    toastr.info(`Overwriting Existing World Info:<br />${existingWorld}`, `World Info ${actionName}`, { escapeHtml: false });
-
-    // Manually delete, as we want to overwrite. The name might be slightly different so file name would not be the same.
-    await deleteWorldInfo(existingWorld);
-
-    return true;
-}
-
 async function getCharacterLore() {
     const character = characters[this_chid];
     const name = character?.name;
@@ -3612,7 +3581,7 @@ export async function importWorldInfo(file) {
 
     const worldName = file.name.substr(0, file.name.lastIndexOf("."));
     const sanitizedWorldName = await getSanitizedFilename(worldName);
-    const allowed = await checkCanOverwriteWorldInfo(sanitizedWorldName, { interactive: true, actionName: 'Import' });
+    const allowed = await checkOverwriteExistingData('World Info', world_names, sanitizedWorldName, { interactive: true, actionName: 'Import', deleteAction: (existingName) => deleteWorldInfo(existingName) });
     if (!allowed) {
         return false;
     }