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Merge pull request cypht-org#1252 from jacob-js/enh-perf
Improve messages caching to ensure a message isn't fetched more than once when viewing its content
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,172 @@ | ||
| /** | ||
| * An abstraction object of the Message_List focused on state management without UI interaction. | ||
| */ | ||
| class Hm_MessagesStore { | ||
|
|
||
| /** | ||
| * @typedef {Object} RowObject | ||
| * @property {String} 0 - The HTML string of the row | ||
| * @property {String} 1 - The IMAP key | ||
| */ | ||
|
|
||
| /** | ||
| * @typedef {Array} RowEntry | ||
| * @property {String} 0 - The IMAP key | ||
| * @property {RowObject} 1 - An object containing the row message and the IMAP key | ||
| */ | ||
|
|
||
| constructor(path, page, rows = {}) { | ||
| this.path = path; | ||
| this.list = path + '_' + page; | ||
| this.rows = rows; | ||
| this.links = ""; | ||
| this.count = 0; | ||
| this.flagAsReadOnOpen = true; | ||
| } | ||
|
|
||
| /** | ||
| * | ||
| * @returns {Promise<Array<String>>} | ||
| */ | ||
| async load(reload = false, hideLoadingState = false) { | ||
| const storedMessages = this.#retrieveFromLocalStorage(); | ||
| if (storedMessages && !reload) { | ||
| this.rows = storedMessages.rows; | ||
| this.links = storedMessages.links; | ||
| this.count = storedMessages.count; | ||
| this.flagAsReadOnOpen = storedMessages.flagAsReadOnOpen; | ||
| return this; | ||
| } | ||
|
|
||
| const { formatted_message_list: updatedMessages, page_links: pageLinks, folder_status, do_not_flag_as_read_on_open } = await this.#fetch(hideLoadingState); | ||
|
|
||
| this.count = Object.values(folder_status)[0].messages; | ||
| this.links = pageLinks; | ||
| this.rows = updatedMessages; | ||
| this.flagAsReadOnOpen = !do_not_flag_as_read_on_open; | ||
|
|
||
| this.#saveToLocalStorage(); | ||
|
|
||
| return this; | ||
| } | ||
|
|
||
| /** | ||
| * | ||
| * @param {String} uid the id of the message to be marked as read | ||
| * @returns {Boolean} true if the message was marked as read, false otherwise | ||
| */ | ||
| markRowAsRead(uid) { | ||
| const rows = Object.entries(this.rows); | ||
| const row = this.#getRowByUid(uid)?.value; | ||
|
|
||
| if (row) { | ||
| const htmlRow = $(row[1]['0']); | ||
| const wasUnseen = htmlRow.find('.unseen').length > 0 || htmlRow.hasClass('unseen'); | ||
|
|
||
| htmlRow.removeClass('unseen'); | ||
| htmlRow.find('.unseen').removeClass('unseen'); | ||
| const objectRows = Object.fromEntries(rows); | ||
| objectRows[row[0]]['0'] = htmlRow[0].outerHTML; | ||
|
|
||
| this.rows = objectRows; | ||
| this.#saveToLocalStorage(); | ||
|
|
||
| return wasUnseen; | ||
| } | ||
| return false; | ||
| } | ||
|
|
||
| /** | ||
| * | ||
| * @param {*} uid | ||
| * @returns {RowObject|false} the next row entry if found, false otherwise | ||
| */ | ||
| getNextRowForMessage(uid) { | ||
| const rows = Object.entries(this.rows); | ||
| const row = this.#getRowByUid(uid)?.index; | ||
|
|
||
| if (row !== false) { | ||
| const nextRow = rows[row + 1]; | ||
| if (nextRow) { | ||
| return nextRow[1]; | ||
| } | ||
| } | ||
| return false; | ||
| } | ||
|
|
||
| /** | ||
| * | ||
| * @param {*} uid | ||
| * @returns {RowObject|false} the previous row entry if found, false otherwise | ||
| */ | ||
| getPreviousRowForMessage(uid) { | ||
| const rows = Object.entries(this.rows); | ||
| const row = this.#getRowByUid(uid)?.index; | ||
| if (row) { | ||
| const previousRow = rows[row - 1]; | ||
| if (previousRow) { | ||
| return previousRow[1]; | ||
| } | ||
| } | ||
| return false; | ||
| } | ||
|
|
||
| #fetch(hideLoadingState = false) { | ||
| const detail = Hm_Utils.parse_folder_path(this.path, 'imap'); | ||
| return new Promise((resolve, reject) => { | ||
| Hm_Ajax.request( | ||
| [ | ||
| { name: "hm_ajax_hook", value: "ajax_imap_folder_display" }, | ||
| { name: "imap_server_id", value: detail.server_id }, | ||
| { name: "folder", value: detail.folder }, | ||
| ], | ||
| (response) => { | ||
| resolve(response); | ||
| }, | ||
| [], | ||
| hideLoadingState, | ||
| undefined, | ||
| reject | ||
| ); | ||
| }); | ||
| } | ||
|
|
||
| #saveToLocalStorage() { | ||
| Hm_Utils.save_to_local_storage(this.list, JSON.stringify({ rows: this.rows, links: this.links, count: this.count })); | ||
| Hm_Utils.save_to_local_storage('flagAsReadOnOpen', this.flagAsReadOnOpen); | ||
| } | ||
|
|
||
| #retrieveFromLocalStorage() { | ||
| const stored = Hm_Utils.get_from_local_storage(this.list); | ||
| const flagAsReadOnOpen = Hm_Utils.get_from_local_storage('flagAsReadOnOpen'); | ||
| if (stored) { | ||
| return {...JSON.parse(stored), flagAsReadOnOpen: flagAsReadOnOpen !== 'false'}; | ||
| } | ||
| return false; | ||
| } | ||
|
|
||
| /** | ||
| * @typedef {Object} RowOutput | ||
| * @property {Number} index - The index of the row | ||
| * @property {RowEntry} value - The row entry | ||
| * | ||
| * @param {String} uid | ||
| * @returns {RowOutput|false} row - The row object if found, false otherwise | ||
| */ | ||
| #getRowByUid(uid) { | ||
| const rows = Object.entries(this.rows); | ||
| const row = rows.find(([key, value]) => $(value['0']).attr('data-uid') == uid); | ||
|
|
||
| if (row) { | ||
| const index = rows.indexOf(row); | ||
| return { index, value: row }; | ||
| } | ||
| return false; | ||
| } | ||
| } | ||
|
|
||
| [ | ||
| Hm_MessagesStore | ||
| ].forEach((item) => { | ||
| window[item.name] = item; | ||
| }); |
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