From c18c4ed988668e9af4bc19cdccb3df1dfe9e6d9a Mon Sep 17 00:00:00 2001
From: styppo <mail@styp-rekowsky.de>
Date: Tue, 24 Jan 2023 01:46:21 +0000
Subject: [PATCH] Add basic profile search

---
 src/components/SearchBox/SearchBox.vue | 103 +++++++++++++++++++------
 src/nostr/SearchProvider.js            |  34 ++++++++
 src/nostr/store/ProfileStore.js        |  12 ++-
 src/utils/Nip05.js                     |  11 +++
 4 files changed, 134 insertions(+), 26 deletions(-)
 create mode 100644 src/nostr/SearchProvider.js

diff --git a/src/components/SearchBox/SearchBox.vue b/src/components/SearchBox/SearchBox.vue
index f0700e2..dff08ae 100644
--- a/src/components/SearchBox/SearchBox.vue
+++ b/src/components/SearchBox/SearchBox.vue
@@ -1,52 +1,68 @@
 <template>
-  <div class="searchbox" :class="{focused}">
-    <div class="searchbox-wrapper">
-      <div class="searchbox-icon">
-        <BaseIcon icon="search" />
-      </div>
-      <div class="searchbox-input">
-        <form @submit="search">
-          <input
-            type="text"
-            placeholder="Search"
-            v-model="query"
-            @focus="toggleFocus"
-            @blur="toggleFocus"
-          >
-        </form>
+  <div class="relative-position">
+    <div class="searchbox" :class="{focused}">
+      <div class="searchbox-wrapper">
+        <div class="searchbox-icon">
+          <BaseIcon icon="search" />
+        </div>
+        <div class="searchbox-input">
+          <q-form @submit.stop="search">
+            <input
+              type="text"
+              placeholder="Search profiles"
+              v-model="query"
+              @focus="toggleFocus"
+              @blur="toggleFocus"
+              @keyup="search"
+            >
+          </q-form>
+        </div>
       </div>
     </div>
+    <Transition name="fade">
+      <div v-if="focused" class="searchbox-results">
+        <div v-if="!results.length" class="query-example">
+          <b>npub…</b> or <b>[user]@domain</b> or <b>name</b>
+        </div>
+        <UserCard v-for="pubkey in results" :key="pubkey" :pubkey="pubkey" class="searchbox-results-item" clickable />
+      </div>
+    </Transition>
   </div>
 </template>
 
 <script>
 import BaseIcon from 'components/BaseIcon'
-import {Notify} from 'quasar'
+import SearchProvider from 'src/nostr/SearchProvider'
+import UserCard from 'components/User/UserCard.vue'
 
 export default {
   name: 'SearchBox',
   components: {
+    UserCard,
     BaseIcon,
   },
+  setup() {
+    return {
+      provider: new SearchProvider(),
+    }
+  },
   data() {
     return {
       focused: false,
       query: '',
+      results: [],
     }
   },
-  computed: {
-  },
   methods: {
     toggleFocus() {
       this.focused = !this.focused
     },
-    async search(e) {
-      e.preventDefault()
-
-      Notify.create({
-        message: 'Coming soon',
-        color: 'info',
-      })
+    async search() {
+      if (this.query) {
+        this.results = (await this.provider.queryProfiles(this.query)).slice(0, 200)
+      } else {
+        this.results = []
+      }
     },
   },
 }
@@ -92,6 +108,43 @@ export default {
       }
     }
   }
+  &-results {
+    position: absolute;
+    width: calc(100% + 1rem);
+    min-height: 48px;
+    max-height: 70vh;
+    overflow: hidden;
+    background-color: $color-bg;
+    border-radius: .5rem;
+    z-index: 600;
+    margin-top: -.75rem;
+    box-shadow: $shadow-white;
+    overflow-y: scroll;
+    scrollbar-color: transparent transparent;
+    &::-webkit-scrollbar {
+      width: 0;
+      height: 0;
+    }
+    &::-webkit-scrollbar-thumb { /* Foreground */
+      background: $color-dark-gray;
+    }
+    &::-webkit-scrollbar-track { /* Background */
+      background: transparent;
+    }
+    &-item {
+      transition: 120ms ease;
+      margin: 0 !important;
+      padding: 1rem;
+      &:hover {
+        background-color: rgba($color: $color-dark-gray, $alpha: 0.1);
+      }
+    }
+    .query-example {
+      color: $color-light-gray;
+      font-size: .95rem;
+      padding: 1rem;
+    }
+  }
   &.focused {
     border: 1px solid rgba($color: $color-primary, $alpha: 1);
     svg {
diff --git a/src/nostr/SearchProvider.js b/src/nostr/SearchProvider.js
new file mode 100644
index 0000000..05f1362
--- /dev/null
+++ b/src/nostr/SearchProvider.js
@@ -0,0 +1,34 @@
+import {useProfileStore} from 'src/nostr/store/ProfileStore'
+import Nip05 from 'src/utils/Nip05'
+import {bech32prefix, bech32ToHex, isBech32} from 'src/utils/utils'
+
+export default class SearchProvider {
+  constructor() {
+    this.profiles = useProfileStore()
+  }
+
+  async queryProfiles(query) {
+    const results = new Set()
+    const [user, domain] = (query?.split('@') || [])
+    if (domain) {
+      (await SearchProvider.queryNip05(user, domain)).forEach(pubkey => results.add(pubkey))
+      this.profiles.findByNip05(query).forEach(pubkey => results.add(pubkey))
+    } else if (isBech32(query) && bech32prefix(query) === 'npub') {
+      results.add(bech32ToHex(query))
+    } else {
+      this.profiles.findByName(query).forEach(pubkey => results.add(pubkey))
+    }
+    return Array.from(results)
+  }
+
+  static async queryNip05(user, domain) {
+    const names = await Nip05.fetchNames(domain)
+    if (!names) return []
+    if (user) {
+      return Object.entries(names)
+        .filter(([name, _]) => name?.toLowerCase().startsWith(user.toLowerCase()))
+        .map(([_, pubkey]) => pubkey)
+    }
+    return Object.values(names)
+  }
+}
diff --git a/src/nostr/store/ProfileStore.js b/src/nostr/store/ProfileStore.js
index afd1373..35397ef 100644
--- a/src/nostr/store/ProfileStore.js
+++ b/src/nostr/store/ProfileStore.js
@@ -8,7 +8,17 @@ export const useProfileStore = defineStore('profile', {
   getters: {
     get(state) {
       return pubkey => state.profiles[pubkey]
-    }
+    },
+    findByName(state) {
+      return query => Object.values(state.profiles)
+        .filter(profile => profile.name?.toLowerCase().startsWith(query?.toLowerCase()))
+        .map(profile => profile.pubkey)
+    },
+    findByNip05(state) {
+      return query => Object.values(state.profiles)
+        .filter(profile => profile.nip05.url?.toLowerCase().endsWith(query?.toLowerCase()))
+        .map(profile => profile.pubkey)
+    },
   },
   actions: {
     addEvent(event) {
diff --git a/src/utils/Nip05.js b/src/utils/Nip05.js
index c522727..08d1fcc 100644
--- a/src/utils/Nip05.js
+++ b/src/utils/Nip05.js
@@ -16,6 +16,17 @@ export default class Nip05 {
     }
   }
 
+  static async fetchNames(domain) {
+    const url = `https://${domain}/.well-known/nostr.json`
+    try {
+      const res = await fetch(url)
+      const json = await res.json()
+      return json?.names
+    } catch (e) {
+      //console.warn(`Failed to fetch NIP05 data for ${nip05Id}`, e)
+    }
+  }
+
   static async verify(pubkey, nip05Id) {
     const pk = await Nip05.fetchPubkey(nip05Id)
     return pk && pk === pubkey