Do not filter user's own posts even if it contains too many hashtags or nsfw tag

Closes: https://github.com/damus-io/damus/issues/3784
Changelog-Fixed: Fixed issue where some of the user's own notes would not show up in their own profile
Signed-off-by: Daniel D’Aquino <daniel@daquino.me>

damus/Features/Profile/Views/ProfileView.swift

@@ -118,6 +118,7 @@ struct ProfileView: View {
         damus_state.contacts.follow_state(profile.pubkey) == .unfollows && bannerBlurViewOpacity() > 1.0
     }
     
+    /// Builds the profile timeline filter, while ensuring the user's own profile bypasses NSFW and hashtag-spam content filters.
     func content_filter(_ fstate: FilterState) -> ((NostrEvent) -> Bool) {
         var filters = ContentFilters.defaults(damus_state: damus_state)
         filters.append(fstate.filter)

damus/Features/Timeline/Models/ContentFilters.swift

@@ -107,15 +107,24 @@ extension ContentFilters {
         return ContentFilters(filters: ContentFilters.defaults(damus_state: damus_state))
     }
 
+    /// Returns the app's standard content filters.
+    ///
+    /// The logged-in user's own events bypass NSFW and hashtag-spam filters so they remain visible on their own profile.
     @MainActor
     static func defaults(damus_state: DamusState) -> [(NostrEvent) -> Bool] {
         var filters = Array<(NostrEvent) -> Bool>()
         if damus_state.settings.hide_nsfw_tagged_content {
-            filters.append(nsfw_tag_filter)
+            filters.append { ev in
+                guard ev.pubkey != damus_state.pubkey else { return true }
+                return nsfw_tag_filter(ev: ev)
+            }
         }
         if damus_state.settings.hide_hashtag_spam {
             let max_hashtags = damus_state.settings.max_hashtags
-            filters.append({ ev in hashtag_spam_filter(ev: ev, max_hashtags: max_hashtags) })
+            filters.append { ev in
+                guard ev.pubkey != damus_state.pubkey else { return true }
+                return hashtag_spam_filter(ev: ev, max_hashtags: max_hashtags)
+            }
         }
         filters.append(get_repost_of_muted_user_filter(damus_state: damus_state))
         filters.append(timestamp_filter)

damusTests/ProfileViewTests.swift

@@ -12,6 +12,15 @@ final class ProfileViewTests: XCTestCase {
 
     let enUsLocale = Locale(identifier: "en-US")
 
+    @MainActor
+    private func makeProfileEvent(content: String, tags: [[String]], keypair: Keypair = test_keypair) -> NostrEvent {
+        guard let event = NostrEvent(content: content, keypair: keypair, tags: tags) else {
+            XCTFail("Expected test event creation to succeed")
+            fatalError("Failed to create test event")
+        }
+        return event
+    }
+
     override func setUpWithError() throws {
         // Put setup code here. This method is called before the invocation of each test method in the class.
     }
@@ -20,6 +29,28 @@ final class ProfileViewTests: XCTestCase {
         // Put teardown code here. This method is called after the invocation of each test method in the class.
     }
 
+    @MainActor
+    func testOwnProfileBypassesNsfwAndHashtagFilters() throws {
+        let damusState = generate_test_damus_state(mock_profile_info: nil)
+        damusState.settings.hide_nsfw_tagged_content = true
+        damusState.settings.hide_hashtag_spam = true
+        damusState.settings.max_hashtags = 1
+
+        let ownNsfwEvent = makeProfileEvent(content: "hello #nsfw", tags: [["t", "nsfw"]])
+        let ownHashtagSpamEvent = makeProfileEvent(content: "#one #two", tags: [["t", "one"], ["t", "two"]])
+        let otherKeypair = generate_new_keypair().to_keypair()
+        let otherNsfwEvent = makeProfileEvent(content: "hello #nsfw", tags: [["t", "nsfw"]], keypair: otherKeypair)
+        let otherHashtagSpamEvent = makeProfileEvent(content: "#one #two", tags: [["t", "one"], ["t", "two"]], keypair: otherKeypair)
+
+        let filters = ContentFilters.defaults(damus_state: damusState)
+        let combinedFilter = ContentFilters(filters: filters)
+
+        XCTAssertTrue(combinedFilter.filter(ev: ownNsfwEvent))
+        XCTAssertTrue(combinedFilter.filter(ev: ownHashtagSpamEvent))
+        XCTAssertFalse(combinedFilter.filter(ev: otherNsfwEvent))
+        XCTAssertFalse(combinedFilter.filter(ev: otherHashtagSpamEvent))
+    }
+
     func testFollowedByString() throws {
         let pk1 = test_pubkey
         let pk2 = test_pubkey_2