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Add function to clear web cache (Nightscout) when refreshing view by swiping down #260

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Merged
marionbarker merged 5 commits into from
Mar 6, 2024
Merged

Add function to clear web cache (Nightscout) when refreshing view by swiping down #260

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70d2979
Clear app browser cache when refreshing Nightscout view by swiping down
dsnallfot Mar 4, 2024
16f2d41
Add yes/no alert (DO you want to clear cache) when refreshing NS webview
dsnallfot Mar 5, 2024
021151c
keep cookies in clearWebCache
marionbarker Mar 6, 2024
1f320e7
fix inadvertent smart quotes
marionbarker Mar 6, 2024
652470c
Remove dialog
bjorkert Mar 6, 2024
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15 changes: 13 additions & 2 deletions LoopFollow/ViewControllers/NightScoutViewController.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -43,12 +43,23 @@ class NightscoutViewController: UIViewController {

self.webView.uiDelegate = self
}

@objc func reloadWebView(_ sender: UIRefreshControl) {
webView.reload()
self.clearWebCache()
self.webView.reload()
sender.endRefreshing()
}

// New code to clear web cache
func clearWebCache() {
let dataStore = WKWebsiteDataStore.default()
let cacheTypes = Set([WKWebsiteDataTypeDiskCache, WKWebsiteDataTypeMemoryCache])
let date = Date(timeIntervalSince1970: 0)
dataStore.removeData(ofTypes: cacheTypes, modifiedSince: date) {
print("Web cache cleared.")
}
}

// this handles target=_blank links by opening them in the same view
func webView(webView: WKWebView!, createWebViewWithConfiguration configuration: WKWebViewConfiguration!, forNavigationAction navigationAction: WKNavigationAction!, windowFeatures: WKWindowFeatures!) -> WKWebView! {
if let frame = navigationAction.targetFrame,
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