添加通用封面规则

app/src/main/java/io/legado/app/model/BookCover.kt

@@ -68,7 +68,7 @@ object BookCover {
 
     suspend fun searchCover(book: Book): String? {
         val config = coverRuleConfig
-        if (config.searchUrl.isBlank() || config.coverRule.isBlank()) {
+        if (!config.enable || config.searchUrl.isBlank() || config.coverRule.isBlank()) {
             return null
         }
         val analyzeUrl =
@@ -97,6 +97,7 @@ object BookCover {
     }
 
     data class CoverRuleConfig(
+        var enable: Boolean = true,
         var searchUrl: String,
         var coverRule: String,
         override var concurrentRate: String? = null,

app/src/main/java/io/legado/app/ui/config/CoverRuleConfigDialog.kt

@@ -28,12 +28,13 @@ class CoverRuleConfigDialog : BaseDialogFragment(R.layout.dialog_cover_rule_conf
             dismissAllowingStateLoss()
         }
         binding.tvOk.onClick {
+            val enable = binding.cbEnable.isChecked
             val searchUrl = binding.editSearchUrl.text?.toString()
             val coverRule = binding.editCoverUrlRule.text?.toString()
             if (searchUrl.isNullOrBlank() || coverRule.isNullOrBlank()) {
                 toastOnUi("搜索url和cover规则不能为空")
             } else {
-                BookCover.CoverRuleConfig(searchUrl, coverRule).let { config ->
+                BookCover.CoverRuleConfig(enable, searchUrl, coverRule).let { config ->
                     BookCover.saveCoverRuleConfig(config)
                 }
                 dismissAllowingStateLoss()