Make Fever API implementation work with Miniflux one

* Rely on favicon_id when mapping favicon to feed
* Item ids are integers in Miniflux and strings in FreshRSS
* Make FeverItemsAdapter more robust to some non useful properties

api/src/main/java/com/readrops/api/services/Credentials.kt

@@ -1,7 +1,6 @@
 package com.readrops.api.services
 
 import com.readrops.api.services.fever.FeverCredentials
-import com.readrops.api.services.fever.FeverService
 import com.readrops.api.services.freshrss.FreshRSSCredentials
 import com.readrops.api.services.freshrss.FreshRSSService
 import com.readrops.api.services.nextcloudnews.NextcloudNewsCredentials
@@ -12,7 +11,6 @@ import com.readrops.db.entities.account.AccountType
 abstract class Credentials(val authorization: String?, val url: String) {
 
     companion object {
-        @JvmStatic
         fun toCredentials(account: Account): Credentials {
             val endPoint = getEndPoint(account.accountType!!)
 
@@ -28,7 +26,7 @@ abstract class Credentials(val authorization: String?, val url: String) {
             return when (accountType) {
                 AccountType.FRESHRSS -> FreshRSSService.END_POINT
                 AccountType.NEXTCLOUD_NEWS -> NextcloudNewsService.END_POINT
-                AccountType.FEVER -> FeverService.END_POINT
+                AccountType.FEVER -> ""
                 else -> throw IllegalArgumentException("Unknown account type")
             }
         }

api/src/main/java/com/readrops/api/services/fever/FeverDataSource.kt

@@ -43,7 +43,7 @@ class FeverDataSource(private val service: FeverService) {
 
                         var maxId = unreadIds.first()
                         items = buildList {
-                            for(index in 0 until INITIAL_SYNC_ITEMS_REQUESTS_COUNT) {
+                            for (index in 0 until INITIAL_SYNC_ITEMS_REQUESTS_COUNT) {
                                 val newItems = service.getItems(body, maxId, null)
 
                                 if (newItems.isEmpty()) break
@@ -77,7 +77,8 @@ class FeverDataSource(private val service: FeverService) {
 
                                 if (newItems.isEmpty()) break
                                 // always take the highest id
-                                localSinceId = newItems.maxOfOrNull { it.remoteId!!.toLong() }.toString()
+                                localSinceId =
+                                    newItems.maxOfOrNull { it.remoteId!!.toLong() }.toString()
                                 addAll(newItems)
                             }
 

api/src/main/java/com/readrops/api/services/fever/adapters/FeverFaviconsAdapter.kt

@@ -10,7 +10,7 @@ import kotlin.io.encoding.Base64
 import kotlin.io.encoding.ExperimentalEncodingApi
 
 data class Favicon(
-    val id: String,
+    val id: Int,
     val data: ByteArray
 )
 
@@ -51,7 +51,7 @@ class FeverFaviconsAdapter {
 
                 if (id > 0 && data != null) {
                     favicons += Favicon(
-                        id = id.toString(),
+                        id = id,
                         data = data,
                     )
                 }

api/src/main/java/com/readrops/api/services/fever/adapters/FeverFeedsAdapter.kt

@@ -12,6 +12,7 @@ import com.squareup.moshi.JsonWriter
 
 data class FeverFeeds(
     val feeds: List<Feed> = listOf(),
+    val favicons: Map<Int, String> = mapOf(), // <faviconId, feedRemoteId>
     val feedsGroups: Map<Int, List<Int>> = emptyMap()
 )
 
@@ -25,6 +26,7 @@ class FeverFeedsAdapter : JsonAdapter<FeverFeeds>() {
     override fun fromJson(reader: JsonReader): FeverFeeds = with(reader) {
         return try {
             val feeds = arrayListOf<Feed>()
+            val favicons = mutableMapOf<Int, String>()
             val feedsGroups = mutableMapOf<Int, List<Int>>()
 
             beginObject()
@@ -45,9 +47,10 @@ class FeverFeedsAdapter : JsonAdapter<FeverFeeds>() {
                     with(feed) {
                         when (selectName(NAMES)) {
                             0 -> remoteId = nextInt().toString()
-                            1 -> name = nextNonEmptyString()
-                            2 -> url = nextNonEmptyString()
-                            3 -> siteUrl = nextNullableString()
+                            1 -> favicons[nextInt()] = remoteId!!
+                            2 -> name = nextNonEmptyString()
+                            3 -> url = nextNonEmptyString()
+                            4 -> siteUrl = nextNullableString()
                             else -> skipValue()
                         }
                     }
@@ -82,13 +85,18 @@ class FeverFeedsAdapter : JsonAdapter<FeverFeeds>() {
             endArray()
             endObject()
 
-            FeverFeeds(feeds, feedsGroups)
+            FeverFeeds(
+                feeds = feeds,
+                favicons = favicons,
+                feedsGroups = feedsGroups
+            )
         } catch (e: Exception) {
             throw ParseException(e.message)
         }
     }
 
     companion object {
-        val NAMES: JsonReader.Options = JsonReader.Options.of("id", "title", "url", "site_url")
+        val NAMES: JsonReader.Options =
+            JsonReader.Options.of("id", "favicon_id", "title", "url", "site_url")
     }
 }

api/src/main/java/com/readrops/api/services/fever/adapters/FeverItemsAdapter.kt

@@ -24,14 +24,11 @@ class FeverItemsAdapter {
             val items = arrayListOf<Item>()
 
             beginObject()
-
-            repeat(4) {
-                skipField()
+            while (nextName() != "items") {
+                skipValue()
             }
 
-            nextName() // beginning of items array
             beginArray()
-
             while (hasNext()) {
                 beginObject()
 
@@ -39,7 +36,13 @@ class FeverItemsAdapter {
                 while (hasNext()) {
                     with(item) {
                         when (selectName(NAMES)) {
-                            0 -> remoteId = nextNonEmptyString()
+                            0 -> {
+                                remoteId = if (reader.peek() == JsonReader.Token.STRING) {
+                                    nextNonEmptyString()
+                                } else {
+                                    nextInt().toString()
+                                }
+                            }
                             1 -> feedRemoteId = nextNonEmptyString()
                             2 -> title = nextNonEmptyString()
                             3 -> author = nextNullableString()
@@ -58,6 +61,11 @@ class FeverItemsAdapter {
             }
 
             endArray()
+
+            while (peek() != JsonReader.Token.END_OBJECT) {
+                skipField()
+            }
+
             endObject()
 
             items

api/src/test/java/com/readrops/api/services/fever/adapters/FeverFaviconsAdapterTest.kt

@@ -25,7 +25,7 @@ class FeverFaviconsAdapterTest {
         assertEquals(favicons.size, 3)
 
         with(favicons[0]) {
-            assertEquals(id, "85")
+            assertEquals(id, 85)
             assertNotNull(data)
         }
     }

api/src/test/java/com/readrops/api/services/fever/adapters/FeverFeedsAdapterTest.kt

@@ -32,5 +32,10 @@ class FeverFeedsAdapterTest {
             assertEquals(key, 3)
             assertEquals(value, listOf(5, 4))
         }
+
+        with(feverFeeds.favicons.entries.first()) {
+            assertEquals(30, key)
+            assertEquals("32", value)
+        }
     }
 }

api/src/test/resources/services/fever/feeds.json

@@ -5,7 +5,7 @@
   "feeds": [
     {
       "id": 32,
-      "favicon_id": 32,
+      "favicon_id": 30,
       "title": "xda-developers",
       "url": "https:\/\/www.xda-developers.com\/feed\/",
       "site_url": "https:\/\/www.xda-developers.com\/",

api/src/test/resources/services/fever/items_page2.json

@@ -2,10 +2,9 @@
   "api_version": 3,
   "auth": 1,
   "last_refreshed_on_time": 1635849601,
-  "total_items": 10814,
   "items": [
     {
-      "id": "6",
+      "id": 6,
       "feed_id": 2,
       "title": "FreshRSS 1.9.0",
       "author": "Alkarex",
@@ -27,7 +26,7 @@
       "created_on_time": 1515697500
     },
     {
-      "id": "8",
+      "id": 8,
       "feed_id": 2,
       "title": "FreshRSS 1.9.0",
       "author": "Alkarex",
@@ -49,7 +48,7 @@
       "created_on_time": 1515697500
     },
     {
-      "id": "10",
+      "id": 10,
       "feed_id": 2,
       "title": "FreshRSS 1.9.0",
       "author": "Alkarex",
@@ -59,5 +58,6 @@
       "is_read": 1,
       "created_on_time": 1515697500
     }
-  ]
+  ],
+  "total_items": 10814
 }

app/src/main/java/com/readrops/app/repositories/FeverRepository.kt

@@ -57,7 +57,9 @@ class FeverRepository(
                 items = newItems,
                 feeds = newFeeds,
                 favicons = favicons.associateBy { favicon ->
-                    feverFeeds.feeds.find { it.remoteId == favicon.id }!!
+                    val feedId = feverFeeds.favicons.entries.find { it.key == favicon.id }!!.value
+
+                    feverFeeds.feeds.find { it.remoteId == feedId }!!
                 }
             )
         }