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implemented a quick cache for flat view

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This commit is contained in:
Damien De Paoli
2025-10-12 16:29:39 +11:00
parent b61f048dec
commit 97e738dc13
2 changed files with 31 additions and 19 deletions
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48
internal/js/files_support.js
View File

@@ -562,6 +562,29 @@ function getPageFileList(res, viewingIdx)
$('#file_list_div').append(html)
}
// wrapper function as we want to handle real DB query success, but also do the
// same when we just use cache
function getEntriesByIdSuccessHandler(res,pageNumber,successCallback,viewingIdx)
{
if( res.length != pageList.length )
document.alert="<alert class='alert alert-warning'>WARNING: something in data has changed since viewing this page (likely someone deleted content in another view), strongly suggest a page reload to get the latest data</alert>"
document.entries=res;
// cache this
document.page[pageNumber]=res
successCallback(res,viewingIdx)
resetNextPrevButtons()
// if search, disable folders
if( OPT.search_term )
$('#folders').prop('disabled', 'disabled').removeClass('border-info').addClass('border-secondary').removeClass('text-info').addClass('text-secondary');
else if( document.entries.length == 0 )
{
html=`<span class="alert alert-danger p-2 col-auto">No files in Path</span>`
$('#file_list_div').append(html)
$('#figures').append(html)
}
}
// Function to get the 'page' of entry ids out of entryList
function getPage(pageNumber, successCallback, viewingIdx=0)
{
@@ -579,28 +602,18 @@ function getPage(pageNumber, successCallback, viewingIdx=0)
// assume nothing wrong, but if the data goes odd, then this will be non-null and displayed later (cant add here, as later code does .empty() of file divs)
document.alert=null
// see if we can use cache, and dont reload from DB
if( !OPT.folders && document.page.length && document.page[pageNumber] )
{
getEntriesByIdSuccessHandler( document.page[pageNumber], pageNumber, successCallback, viewingIdx )
return
}
$.ajax({
type: 'POST', url: '/get_entries_by_ids',
data: JSON.stringify(data), contentType: 'application/json',
dataType: 'json',
success: function(res) {
if( res.length != pageList.length )
document.alert="<alert class='alert alert-warning'>WARNING: something in data has changed since viewing this page (likely someone deleted content in another view), strongly suggest a page reload to get the latest data</alert>"
document.entries=res;
successCallback(res,viewingIdx)
resetNextPrevButtons()
// if search, disable folders
if( OPT.search_term )
$('#folders').prop('disabled', 'disabled').removeClass('border-info').addClass('border-secondary').removeClass('text-info').addClass('text-secondary');
else if( document.entries.length == 0 )
{
html=`<span class="alert alert-danger p-2 col-auto">No files in Path</span>`
$('#file_list_div').append(html)
$('#figures').append(html)
}
},
success: function(res) { getEntriesByIdSuccessHandler( res, pageNumber, successCallback, viewingIdx ) },
error: function(xhr, status, error) { console.error("Error:", error); } });
return
}
@@ -824,3 +837,4 @@ $.contextMenu({
// finally, for files_ip/files_sp/files_rbp - set click inside document (NOT an entry) to remove seln
$(document).on('click', function(e) { $('.highlight').removeClass('highlight') ; SetButtonState() });
document.page=[]