[fix] do not accept invalid cache and do not assume we have cache

Signed-off-by: androidacy-user <opensource@androidacy.com>

app/src/main/kotlin/com/fox2code/mmm/androidacy/AndroidacyRepoData.kt

@@ -293,7 +293,12 @@ class AndroidacyRepoData(cacheRoot: File?, testMode: Boolean) : RepoData(
         )
         var lastLastUpdate: Long = 0
         for (i in 0 until len) {
+            try {
                 jsonObject = jsonArray.getJSONObject(i)
+            } catch (e: JSONException) {
+                Timber.e(e, "Failed to parse module")
+                continue
+            }
             val moduleId: String = try {
                 jsonObject.getString("codename")
             } catch (e: JSONException) {

app/src/main/kotlin/com/fox2code/mmm/repo/RepoUpdater.kt

@@ -61,6 +61,7 @@ class RepoUpdater(repoData2: RepoData) {
             val moduleListCacheDao = db.moduleListCacheDao()
             // now we have the cache, we need to check if it's up to date
             val results = moduleListCacheDao.getByRepoId(repoData.preferenceId!!)
+            if (results.isNotEmpty()) {
                 toUpdate = emptyList()
                 toApply = HashSet()
                 for (moduleListCache in results) {
@@ -95,13 +96,17 @@ class RepoUpdater(repoData2: RepoData) {
                 }
                 // log first 100 chars of indexRaw
                 indexRaw = jsonObject.toString().toByteArray()
-            Timber.d("Index raw: %s", String(indexRaw!!, StandardCharsets.UTF_8).subSequence(0, 100))
+                Timber.d(
+                    "Index raw: %s",
+                    String(indexRaw!!, StandardCharsets.UTF_8).subSequence(0, 100)
+                )
                 // Since we reuse instances this should work
                 toApply = HashSet(repoData.moduleHashMap.values)
                 (toApply as HashSet<RepoModule>).removeAll(toUpdate!!.toSet())
                 // Return repo to update
                 return toUpdate!!.size
             }
+        }
         return try {
             if (!repoData.prepare()) {
                 indexRaw = null