From 667a7c2d893f6a765d90f95928ecf01f3753e3e6 Mon Sep 17 00:00:00 2001
From: padreug <padreug@aiolabs.dev>
Date: Wed, 17 Sep 2025 02:06:57 +0200
Subject: [PATCH] Add rideshare content filter and enhance FeedService
 filtering logic

- Introduced a new rideshare content filter in content-filters.ts, allowing for the categorization of rideshare requests and offers.
- Updated the FeedService to support filtering by tags and keywords, enhancing the ability to search and filter content based on user-defined criteria.
- Modified Home.vue to include the new rideshare filter preset, improving user access to rideshare-related content.

These changes enhance the content filtering capabilities and user experience within the NostrFeed module.
---
 .../nostr-feed/config/content-filters.ts      | 14 ++++++++
 .../nostr-feed/services/FeedService.ts        | 35 +++++++++++++++++--
 src/pages/Home.vue                            |  3 +-
 3 files changed, 49 insertions(+), 3 deletions(-)

diff --git a/src/modules/nostr-feed/config/content-filters.ts b/src/modules/nostr-feed/config/content-filters.ts
index 4cbfb84..ba3bd04 100644
--- a/src/modules/nostr-feed/config/content-filters.ts
+++ b/src/modules/nostr-feed/config/content-filters.ts
@@ -99,6 +99,16 @@ export const CONTENT_FILTERS: Record<string, ContentFilter> = {
     label: 'Live Events',
     kinds: [30311], // NIP-53: Live Events
     description: 'Live streaming and real-time events'
+  },
+
+  // Rideshare content
+  rideshare: {
+    id: 'rideshare',
+    label: 'Rideshare',
+    kinds: [1, 31001], // Text notes + custom rideshare events
+    description: 'Rideshare requests, offers, and coordination',
+    tags: ['rideshare', 'uber', 'lyft', 'carpool', 'taxi', 'ride'], // NIP-12 tags
+    keywords: ['rideshare', 'ride share', 'carpool', 'uber', 'lyft', 'taxi', 'pickup', 'dropoff']
   }
 }
 
@@ -148,6 +158,10 @@ export const FILTER_PRESETS: Record<string, ContentFilter[]> = {
   content: [
     CONTENT_FILTERS.longFormContent,
     CONTENT_FILTERS.textNotes
+  ],
+
+  rideshare: [
+    CONTENT_FILTERS.rideshare
   ]
 }
 
diff --git a/src/modules/nostr-feed/services/FeedService.ts b/src/modules/nostr-feed/services/FeedService.ts
index e6f0e29..1ae3286 100644
--- a/src/modules/nostr-feed/services/FeedService.ts
+++ b/src/modules/nostr-feed/services/FeedService.ts
@@ -23,6 +23,8 @@ export interface ContentFilter {
   description: string
   requiresAuth?: boolean
   filterByAuthor?: 'admin' | 'exclude-admin' | 'none'
+  tags?: string[] // NIP-12 tags to filter by
+  keywords?: string[] // Content keywords to search for
 }
 
 export interface FeedConfig {
@@ -147,6 +149,11 @@ export class FeedService extends BaseService {
             // Will exclude admin in post-processing
           }
 
+          // Apply tag filtering if specified (NIP-12)
+          if (contentFilter.tags && contentFilter.tags.length > 0) {
+            filter['#t'] = contentFilter.tags
+          }
+
           filters.push(filter)
         }
       } else {
@@ -294,10 +301,34 @@ export class FeedService extends BaseService {
         // Apply author filtering
         if (filter.filterByAuthor === 'admin') {
           console.log('FeedService: Admin filter, isAdminPost:', isAdminPost)
-          return isAdminPost
+          if (!isAdminPost) return false
         } else if (filter.filterByAuthor === 'exclude-admin') {
           console.log('FeedService: Exclude admin filter, isAdminPost:', isAdminPost)
-          return !isAdminPost
+          if (isAdminPost) return false
+        }
+
+        // Apply keyword filtering if specified
+        if (filter.keywords && filter.keywords.length > 0) {
+          const content = event.content.toLowerCase()
+          const hasMatchingKeyword = filter.keywords.some(keyword =>
+            content.includes(keyword.toLowerCase())
+          )
+          if (!hasMatchingKeyword) {
+            console.log('FeedService: No matching keywords found')
+            return false
+          }
+        }
+
+        // Apply tag filtering if specified (check if event has any matching tags)
+        if (filter.tags && filter.tags.length > 0) {
+          const eventTags = event.tags?.filter(tag => tag[0] === 't').map(tag => tag[1]) || []
+          const hasMatchingTag = filter.tags.some(filterTag =>
+            eventTags.includes(filterTag)
+          )
+          if (!hasMatchingTag) {
+            console.log('FeedService: No matching tags found')
+            return false
+          }
         }
 
         console.log('FeedService: Filter passed all checks')
diff --git a/src/pages/Home.vue b/src/pages/Home.vue
index f7b845b..f394312 100644
--- a/src/pages/Home.vue
+++ b/src/pages/Home.vue
@@ -126,7 +126,8 @@ const quickFilterPresets = {
   all: { label: 'All', filters: FILTER_PRESETS.all },
   announcements: { label: 'News', filters: FILTER_PRESETS.announcements },
   social: { label: 'Social', filters: FILTER_PRESETS.social },
-  events: { label: 'Events', filters: FILTER_PRESETS.events }
+  events: { label: 'Events', filters: FILTER_PRESETS.events },
+  rideshare: { label: 'Rideshare', filters: FILTER_PRESETS.rideshare }
 }
 
 // Computed properties