ios: Expose post text to Core Spotlight search.

GNUmakefile

@@ -815,7 +815,9 @@ $(MACOS_TARGETS) $(IOS_TARGETS) $(IOSSIM_TARGETS): CFLAGS += \
 $(IOS_TARGETS) $(IOSSIM_TARGETS): LDFLAGS += \
 	-framework Foundation \
 	-framework CoreFoundation \
+	-framework CoreSpotlight \
 	-framework UIKit \
+	-framework UniformTypeIdentifiers \
 	-framework WebKit
 
 ##
@@ -1180,6 +1182,7 @@ ios%go: out/tildefriends-ios%.app/tildefriends
 	ideviceinstaller -i $(realpath $(dir $<))
 
 iossimdebuggo: out/tildefriends-iossimdebug.app/tildefriends ## Build, install, and run an iOS debug build.
+	xcrun -sdk iphoneos codesign -f -s 'Apple Distribution' --entitlements src/ios/Entitlements.plist --generate-entitlement-der out/tildefriends-iossimdebug.app
 	xcrun simctl install booted out/tildefriends-iossimdebug.app/
 	xcrun simctl launch --console booted com.unprompted.tildefriends
 .PHONY: iossimdebuggo

src/ios.m

@@ -1,3 +1,6 @@
+#import <CoreSpotlight/CSSearchableIndex.h>
+#import <CoreSpotlight/CSSearchableItem.h>
+#import <CoreSpotlight/CSSearchableItemAttributeSet.h>
 #import <UIKit/UIKit.h>
 #import <WebKit/WKDownload.h>
 #import <WebKit/WKDownloadDelegate.h>
@@ -9,6 +12,7 @@
 #import <WebKit/WKWebViewConfiguration.h>
 
 #include "log.h"
+#include "util.js.h"
 
 #include <libgen.h>
 #include <string.h>
@@ -90,6 +94,7 @@ static void _start_initial_load(WKWebView* web_view)
 - (void)webView:(WKWebView*)webView didFinishNavigation:(WKNavigation*)navigation
 {
 	self.initial_load_complete = true;
+	tf_printf("initial load complete\n");
 }
 
 - (void)webView:(WKWebView*)webView didFailProvisionalNavigation:(WKNavigation*)navigation withError:(NSError*)error
@@ -179,18 +184,16 @@ static void _start_initial_load(WKWebView* web_view)
 
 - (void)download:(WKDownload*)download didFailWithError:(NSError*)error resumeData:(NSData*)resumeData
 {
-	tf_printf("didFailWithError:%s\n", [error.localizedDescription UTF8String]);
+	tf_printf("download didFailWithError:%s\n", [error.localizedDescription UTF8String]);
 }
 
 - (void)documentPicker:(UIDocumentPickerViewController*)controller didPickDocumentAtURLs:(NSArray<NSURL*>*)urls
 {
-	tf_printf("did pick!\n");
 	[[NSFileManager defaultManager] removeItemAtURL:self.download_url error:nil];
 }
 
 - (void)documentPickerWasCancelled:(UIDocumentPickerViewController*)controller
 {
-	tf_printf("no pick!\n");
 	[[NSFileManager defaultManager] removeItemAtURL:self.download_url error:nil];
 }
 @end
@@ -208,8 +211,41 @@ static void _start_initial_load(WKWebView* web_view)
 	[self.window makeKeyAndVisible];
 	return YES;
 }
+
+- (BOOL)application:(UIApplication*)application continueUserActivity:(NSUserActivity*)activity restorationHandler:(void (^)(NSArray<id<UIUserActivityRestoring>>*))restorationHandler
+{
+	if ([activity.activityType isEqual:CSSearchableItemActionType]) {
+		const char* identifier = [[activity.userInfo valueForKey:CSSearchableItemActivityIdentifier] UTF8String];
+		tf_printf("Jumping to search result: %s.\n", identifier);
+
+		char url[1024];
+		snprintf(url, sizeof(url), "http://localhost:12345/~core/ssb/#%s", identifier);
+		tf_printf("Navigating to %s.", url);
+		ViewController* view_controller = (ViewController*)self.window.rootViewController;
+		[view_controller.web_view loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:[NSString stringWithUTF8String:url]]]];
+	} else {
+		tf_printf("no search\n");
+	}
+	return NO;
+}
 @end
 
+void tf_notify_message_added_ios(const char* identifier, const char* title, const char* content)
+{
+	tf_printf("indexing: identifier=%s title=%s content=%s\n", identifier, title, content);
+	CSSearchableItemAttributeSet* attribute_set = [[CSSearchableItemAttributeSet alloc] initWithContentType:UTTypeText];
+	attribute_set.title = [NSString stringWithUTF8String:content];
+	attribute_set.contentDescription = [NSString stringWithUTF8String:title];
+	CSSearchableItem* item = [[CSSearchableItem alloc] initWithUniqueIdentifier:[NSString stringWithUTF8String:identifier] domainIdentifier:@"com.unprompted.tildefriends.messages" attributeSet:attribute_set];
+	[[CSSearchableIndex defaultSearchableIndex] indexSearchableItems:@[item] completionHandler:^(NSError* _Nullable error) {
+		if (error) {
+			tf_printf("indexing error: %s.\n", [error.localizedDescription UTF8String]);
+		} else {
+			tf_printf("indexed successfully.\n");
+		}
+	}];
+}
+
 int main(int argc, char* argv[])
 {
 	NSFileManager* file_manager = [NSFileManager defaultManager];

src/ssb.db.c

@@ -716,6 +716,29 @@ static void _tf_ssb_db_store_message_after_work(tf_ssb_t* ssb, int status, void*
 			tf_trace_end(trace);
 		}
 
+#if TARGET_OS_IPHONE
+		JSContext* context = tf_ssb_get_context(ssb);
+		JSValue content = JS_ParseJSON(context, store->content, strlen(store->content), NULL);
+		if (JS_IsObject(content))
+		{
+			JSValue type_value = JS_GetPropertyStr(context, content, "type");
+			const char* type = JS_ToCString(context, type_value);
+			if (type && strcmp(type, "post") == 0)
+			{
+				JSValue text_value = JS_GetPropertyStr(context, content, "text");
+				const char* text = JS_ToCString(context, text_value);
+
+				void tf_notify_message_added_ios(const char* identifier, const char* title, const char* content);
+				tf_notify_message_added_ios(store->id, type, text);
+				JS_FreeCString(context, text);
+				JS_FreeValue(context, text_value);
+			}
+			JS_FreeCString(context, type);
+			JS_FreeValue(context, type_value);
+		}
+		JS_FreeValue(context, content);
+#endif
+
 		if (store->callback)
 		{
 			store->callback(store->id, store->out_stored, store->user_data);