From fde8e7b75c96e5eb8a7e0997b39d1ef386805ff5 Mon Sep 17 00:00:00 2001
From: Nouman Tahir <nouman.hawkdev@gmail.com>
Date: Mon, 5 Apr 2021 22:54:53 +0500
Subject: [PATCH] added tabbed posts fetch class

---
 .../tabbedPosts/services/tabbedPostsFetch.ts  | 140 ++++++++++++++++++
 1 file changed, 140 insertions(+)
 create mode 100644 src/components/tabbedPosts/services/tabbedPostsFetch.ts

diff --git a/src/components/tabbedPosts/services/tabbedPostsFetch.ts b/src/components/tabbedPosts/services/tabbedPostsFetch.ts
new file mode 100644
index 000000000..fe01686a3
--- /dev/null
+++ b/src/components/tabbedPosts/services/tabbedPostsFetch.ts
@@ -0,0 +1,140 @@
+import { Dispatch, ReducerAction } from "react";
+import { getAccountPosts, getRankedPosts } from "../../../providers/hive/dhive";
+import { CachedDataEntry, onLoadComplete, PostsCache, setFilterLoading, updateFilterCache } from "./tabbedPostsReducer";
+import Matomo from 'react-native-matomo-sdk';
+
+
+interface LoadPostsOptions {
+    type:string; 
+    cache:PostsCache, 
+    cacheDispatch:Dispatch<ReducerAction<any>>, 
+    isLatestPostCheck:boolean,
+    getFor:string,
+    isConnected:boolean,
+    isLoggedIn:boolean,
+    refreshing:boolean,
+    username:string,
+    pageType:string,
+    tag:string,
+    nsfw:string,
+    isAnalytics:boolean
+}
+
+export const loadPosts = async ({
+    type, 
+    cache, 
+    cacheDispatch, 
+    isLatestPostCheck = false,
+    getFor,
+    isConnected,
+    isLoggedIn,
+    refreshing,
+    username,
+    pageType,
+    tag,
+    nsfw,
+    isAnalytics
+
+}:LoadPostsOptions) => {
+    const filter = type || cache.selectedFilter;
+
+    const {isLoading, startPermlink, startAuthor}:CachedDataEntry = cache.cachedData[filter];
+    
+    if (
+        isLoading ||
+      !isConnected ||
+      (!isLoggedIn && filter === 'feed') ||
+      (!isLoggedIn && filter === 'blog')
+    ) {
+      return;
+    }
+
+    if (!isConnected && (refreshing || isLoading)) {
+      cacheDispatch(onLoadComplete(filter))
+      return;
+    }
+
+    cacheDispatch(setFilterLoading(filter, true));
+        
+    let options = {} as any;
+    const limit = isLatestPostCheck ? 5 : 20;
+    let func = null;
+
+    if (
+      filter === 'feed' ||
+      filter === 'posts' ||
+      filter === 'blog' ||
+      getFor === 'blog' ||
+      filter === 'reblogs'
+    ) {
+      if (filter === 'communities') {
+        func = getRankedPosts;
+        options = {
+          observer: username,
+          sort: 'created',
+          tag: 'my',
+        };
+      } else {
+        func = getAccountPosts;
+        options = {
+          observer: username || '',
+          account: username,
+          limit,
+          sort: filter,
+        };
+
+        if (pageType === 'profiles' && (filter === 'feed' || filter === 'posts')) {
+          options.sort = 'posts';
+        }
+      }
+    } else {
+      func = getRankedPosts;
+      options = {
+        tag,
+        limit,
+        sort: filter,
+      };
+    }
+
+
+    if (startAuthor && startPermlink && !refreshing && !isLatestPostCheck) {
+      options.start_author = startAuthor;
+      options.start_permlink = startPermlink;
+    }
+
+    try {
+      const result = await func(options, username, nsfw);
+
+      if(result.lenght > 0 && filter === 'reblogs'){
+        for (let i = result.length - 1; i >= 0; i--) {
+            if (result[i].author === username) {
+                result.splice(i, 1);
+            }
+          }
+      }
+
+      cacheDispatch(updateFilterCache(filter, result, refreshing))
+      cacheDispatch(onLoadComplete(filter));
+
+    } catch (err) {
+      
+      cacheDispatch(onLoadComplete(filter));
+    }
+
+    // track filter and tag views
+    if (isAnalytics) {
+      if (tag) {
+        Matomo.trackView([`/${filter}/${tag}`]).catch((error) =>
+          console.warn('Failed to track screen', error),
+        );
+      } else if (filter === 'friends' || filter === 'communities') {
+        Matomo.trackView([`/@${username}/${filter}`]).catch((error) =>
+          console.warn('Failed to track screen', error),
+        );
+      } else {
+        Matomo.trackView([`/${filter}`]).catch((error) =>
+          console.warn('Failed to track screen', error),
+        );
+      }
+    }
+  };
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